Update to use setTextInput (maybe?)

We don't have an Aseprite.app target in cmake files yet, but we might
add it in a near future.

.clang-tidy

@@ -60,6 +60,8 @@ Checks: >
   -readability-uppercase-literal-suffix
 WarningsAsErrors: ''
 CheckOptions:
+  - key: readability-implicit-bool-conversion.AllowIntegerConditions
+    value: true
   - key: readability-implicit-bool-conversion.AllowPointerConditions
     value: true
   - key: misc-non-private-member-variables-in-classes.IgnoreClassesWithAllMemberVariablesBeingPublic

.github/workflows/build-auto.yml

@@ -0,0 +1,43 @@
+name: build-auto
+on:
+  push:
+    paths:
+    - '.github/workflows/build-auto.yml'
+    - 'build.sh'
+    - 'laf'
+jobs:
+  build-auto:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [windows-latest, macos-latest, ubuntu-latest]
+        build_type: [RelWithDebInfo, Debug]
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: 'recursive'
+    - name: Install Dependencies
+      if: runner.os == 'Linux'
+      shell: bash
+      run: |
+        sudo apt-get update -qq
+        sudo apt-get install -y \
+          libpixman-1-dev libfreetype6-dev libharfbuzz-dev zlib1g-dev \
+          libx11-dev libxcursor-dev libxi-dev libgl1-mesa-dev libfontconfig1-dev
+    - uses: aseprite/get-ninja@main
+    - uses: ilammy/msvc-dev-cmd@v1
+      if: runner.os == 'Windows'
+    - name: Building
+      shell: bash
+      run: |
+        bash build.sh --auto --norun
+    - name: Running CLI Tests
+      shell: bash
+      run: |
+        if [[ "${{ runner.os }}" == "Linux" ]] ; then
+          export XVFB=xvfb-run
+        fi
+        export ASEPRITE=$PWD/build/bin/aseprite
+        cd tests
+        $XVFB bash run-tests.sh

.github/workflows/build.yml

@@ -34,16 +34,14 @@ jobs:
       shell: bash
       run: |
         if [[ "${{ runner.os }}" == "Windows" ]] ; then
-          choco install wget -y --no-progress
-          wget https://github.com/aseprite/skia/releases/download/m124-08a5439a6b/Skia-Windows-Release-x64.zip
-          unzip Skia-Windows-Release-x64.zip -d skia
-        elif [[ "${{ runner.os }}" == "macOS" ]] ; then
-          wget https://github.com/aseprite/skia/releases/download/m124-08a5439a6b/Skia-macOS-Release-arm64.zip
-          unzip Skia-macOS-Release-arm64.zip -d skia
+          this_dir=$(cygpath "${{ github.workspace }}")
         else
-          wget https://github.com/aseprite/skia/releases/download/m124-08a5439a6b/Skia-Linux-Release-x64.zip
-          unzip Skia-Linux-Release-x64.zip -d skia
+          this_dir="${{ github.workspace }}"
         fi
+        skia_url=$(source $this_dir/laf/misc/skia-url.sh | xargs)
+        skia_file=$(basename $skia_url)
+        curl --ssl-revoke-best-effort -L -o "$skia_file" "$skia_url"
+        unzip "$skia_file" -d skia
     - name: ccache
       uses: hendrikmuhs/ccache-action@v1.2.17
       if: ${{ runner.os == 'Linux' || runner.os == 'macOS' }}

.github/workflows/clang_tidy_post.yml

@@ -13,6 +13,6 @@ jobs:
   post-comments:
     runs-on: ubuntu-latest
     steps:
-    - uses: ZedThree/clang-tidy-review/post@v0.20.1
+    - uses: ZedThree/clang-tidy-review/post@v0.21.0
       with:
         token: ${{ secrets.CLANG_TIDY_TOKEN }}

.gitignore

@@ -12,7 +12,9 @@
 *.res
 .DS_Store
 .vs
+.vscode
 tests/_test*
 build
 .build
+.deps
 CMakeSettings.json

AUTHORS.md

@@ -0,0 +1,98 @@
+# Credits
+
+Aseprite is being developed and maintained currently by [Igara Studio](https://igara.com/).
+The active team of developers is:
+
+* [David Capello](https://github.com/dacap)
+* [Gaspar Capello](https://github.com/Gasparoken)
+* [Martín Capello](https://github.com/martincapello)
+* [Christian Kaiser](https://github.com/ckaiser)
+* [Dante Paola](https://github.com/Liebranca)
+
+Previous team members that contributed with code/docs/scripts/graphics:
+
+* [Kacper Woźniak](https://github.com/thkwznk)
+* [Joshua Ogunyinka](https://github.com/iamOgunyinka)
+* [David Campo](https://github.com/dncampo)
+
+## Translations
+
+The translation work of Aseprite is only possible thanks to the
+contribution, help, and good will of several translators coordinated
+through our Weblate project:
+
+* [Translation Credits](strings/README.md)
+
+## Graphics
+
+Aseprite logo was created by David Capello. Graphics used as background
+of [Aseprite home page](https://www.aseprite.org),
+on [Steam Store](https://store.steampowered.com/app/431730/Aseprite/),
+and [social media channels](https://bsky.app/profile/aseprite.org),
+were created by:
+
+* [Ilija Melentijevic](https://ilkke.net/)
+
+## Themes
+
+The default Aseprite font was created by David Capello, and the
+default Aseprite theme was introduced in v0.8, originally created by:
+
+* Ilija Melentijevic
+
+A modified dark version of this theme was introduced in v1.3-beta1, created by:
+
+* [Nicolas Desilets](https://twitter.com/MapleGecko)
+
+These themes are now being maintained by Igara Studio and external
+contributors from time to time.
+
+## Palettes
+
+Aseprite includes color palettes created by:
+
+* [Richard "DawnBringer" Fhager](http://pixeljoint.com/p/23821.htm), [DB16](http://pixeljoint.com/forum/forum_posts.asp?TID=12795), [DB32](http://pixeljoint.com/forum/forum_posts.asp?TID=16247) (default Aseprite color palette)
+* [Arne Niklas Jansson](http://androidarts.com/), [16 colors](http://androidarts.com/palette/16pal.htm), [32 colors](http://wayofthepixel.net/index.php?topic=15824.msg144494)
+* [ENDESGA Studios](https://twitter.com/ENDESGA), [EDG16 and EDG32](https://forums.tigsource.com/index.php?topic=46126.msg1279124#msg1279124), and [other palettes](https://twitter.com/ENDESGA/status/865812366931353600)
+* [Hyohnoo Games](https://twitter.com/Hyohnoo), [mail24](https://twitter.com/Hyohnoo/status/797472587974639616) palette
+* [Davit Masia](https://twitter.com/DavitMasia), [matriax8c](https://twitter.com/DavitMasia/status/834862452164612096) palette
+* [Javier Guerrero](https://twitter.com/Xavier_Gd), [nyx8](https://twitter.com/Xavier_Gd/status/868519467864686594) palette
+* [Adigun A. Polack](https://twitter.com/adigunpolack), [AAP-64](http://pixeljoint.com/pixelart/119466.htm), [AAP-Splendor128](http://pixeljoint.com/pixelart/120714.htm), [SimpleJPC-16](http://pixeljoint.com/pixelart/119844.htm), and [AAP-Micro12](http://pixeljoint.com/pixelart/121151.htm) palette
+* [PineTreePizza](https://twitter.com/PineTreePizza), [Rosy-42](https://twitter.com/PineTreePizza/status/1006536191955623938) palette
+
+## Pixel-art Features
+
+Aseprite tries to replicate some pixel-art algorithms:
+
+* [Shading Ink](https://aseprite.org/docs/shading/): created as a simplification of GrafX2 shade mode, thanks to Ilija Melentijevic for introducing me to this feature in 2009
+* [RotSprite](http://forums.sonicretro.org/index.php?showtopic=8848&st=15&p=159754&#entry159754) by Xenowhirl.
+* [Pixel perfect drawing algorithm](https://deepnight.net/blog/tools/pixel-perfect-drawing/)
+  by [Sébastien Bénard](https://twitter.com/deepnightfr) and
+  [Carduus](https://twitter.com/CarduusHimself/status/420554200737935361).
+
+## Community
+
+A special thanks to @Outlander for helping us moderating our [Discord server](https://discord.gg/Yb2CeX8).
+Thanks to all the people that hung around for such a long time.
+
+## Contributors
+
+Thank you everyone who contributed to Aseprite with ideas, patches,
+code, bug reports, new features, donations, tutorials, videos,
+personal messages, chats, emails, tweets, posts, questions, libraries,
+compilers, and any other tools that made this program possible today.
+
+* Thanks to all [contributors](https://github.com/aseprite/aseprite/graphs/contributors)
+* Thanks to all developers and maintainers behind [other open source projects](docs/LICENSES.md) used by Aseprite
+* Thanks to all early PayPal donors and donors from our Pledgie Campaign (before Aseprite was commercialized)
+* Thanks to every who support our business model: this source-available / sell-binaries combo
+* Thanks to schools and [educational institutions](https://aseprite.org/educational)
+  that are using Aseprite in their classrooms <3
+* Thanks to our family and friends who always support our work
+
+It's been more years than I can remember, sorry if we missed someone,
+please drop me a line to [david@igara.com](mailto:david@igara.com) to
+fix something or say hi. We'll try to keep this updated (for past and
+future contributors).
+
+Sincerely, David.

CMakeLists.txt

@@ -243,7 +243,13 @@ if(USE_SHARED_LIBPNG)
   add_definitions(${PNG_DEFINITIONS})
 else()
   set(PNG_FOUND ON)
-  set(PNG_LIBRARY png_static)
+
+  # Skia on Linux includes libpng symbols
+  if(UNIX AND NOT APPLE AND LAF_BACKEND STREQUAL "skia")
+    set(PNG_LIBRARY skia)
+  else()
+    set(PNG_LIBRARY png_static)
+  endif()
   set(PNG_LIBRARIES ${PNG_LIBRARY})
   set(PNG_INCLUDE_DIRS
     ${LIBPNG_DIR}

INSTALL.md

@@ -6,7 +6,8 @@
   * [Windows dependencies](#windows-dependencies)
   * [macOS dependencies](#macos-dependencies)
   * [Linux dependencies](#linux-dependencies)
-* [Compiling](#compiling)
+* [Automatic Building](#automatic-building)
+* [Manual Building](#manual-building)
   * [Windows details](#windows-details)
     * [MinGW](#mingw)
   * [macOS details](#macos-details)
@@ -17,11 +18,12 @@
 # Platforms
 
 You should be able to compile Aseprite successfully on the following
-platforms:
+platforms (older and newer versions might work):
 
-* Windows 11 + [Visual Studio Community 2022 + Windows 10.0 SDK (the latest version available)](https://imgur.com/a/7zs51IT) (we don't support [MinGW](#mingw))
-* macOS 13.0.1 Ventura + Xcode 14.1 + macOS 11.3 SDK (older version might work)
-* Linux Ubuntu Bionic 18.04 + clang 10.0
+* Windows 11 + [Visual Studio Community 2022 + Windows 11 SDK](https://imgur.com/a/7zs51IT)
+  * *Important*: We don't support [MinGW](#mingw)
+* macOS 15.2 Sequoia + Xcode 16.3 + macOS 15.4 SDK
+* Linux Ubuntu Focal Fossa 20.04 + clang 12
 
 # Get the source code
 
@@ -49,7 +51,7 @@ clone the repository on Windows.
 
 To compile Aseprite you will need:
 
-* The latest version of [CMake](https://cmake.org) (3.16 or greater)
+* The latest version of [CMake](https://cmake.org)
 * [Ninja](https://ninja-build.org) build system
 * And a compiled version of the `aseprite-m124` branch of
   the [Skia library](https://github.com/aseprite/skia#readme).
@@ -59,25 +61,24 @@ To compile Aseprite you will need:
 
 ## Windows dependencies
 
-* Windows 10/11 (we don't support cross-compiling)
+* Windows 11 (we don't support cross-compiling)
 * [Visual Studio Community 2022](https://visualstudio.microsoft.com/downloads/) (we don't support [MinGW](#mingw))
-* The [Desktop development with C++ item + Windows 10.0.18362.0 SDK](https://imgur.com/a/7zs51IT)
-  from the Visual Studio installer
+* The [Desktop development with C++ item + Windows 10.0.26100.0 SDK](https://imgur.com/a/7zs51IT)
+  from Visual Studio installer
 
 ## macOS dependencies
 
-On macOS you will need macOS 11.3 SDK and Xcode 13.1 (older versions
-might work).
+On macOS you will need macOS 15.4 SDK and Xcode 16.3 (older versions might work).
 
 ## Linux dependencies
 
 You will need the following dependencies on Ubuntu/Debian:
 
-    sudo apt-get install -y g++ clang libc++-dev libc++abi-dev cmake ninja-build libx11-dev libxcursor-dev libxi-dev libgl1-mesa-dev libfontconfig1-dev
+    sudo apt-get install -y g++ clang cmake ninja-build libx11-dev libxcursor-dev libxi-dev libgl1-mesa-dev libfontconfig1-dev
 
-Or use clang-10 packages (or newer) in case that clang in your distribution is older than clang 10.0:
+Or use clang-12 packages (or newer) in case that clang in your distribution is older than clang 12.0:
 
-    sudo apt-get install -y clang-10 libc++-10-dev libc++abi-10-dev
+    sudo apt-get install -y clang-12
 
 On Fedora:
 
@@ -85,13 +86,24 @@ On Fedora:
 
 On Arch:
 
-    sudo pacman -S gcc clang libc++ cmake ninja libx11 libxcursor mesa-libgl fontconfig libwebp
+    sudo pacman -S gcc clang cmake ninja libx11 libxcursor mesa-libgl fontconfig libwebp
 
 On SUSE:
 
-    sudo zypper install gcc-c++ clang libc++-devel libc++abi-devel cmake ninja libX11-devel libXcursor-devel libXi-devel Mesa-libGL-devel fontconfig-devel
+    sudo zypper install gcc-c++ clang cmake ninja libX11-devel libXcursor-devel libXi-devel Mesa-libGL-devel fontconfig-devel
 
-# Compiling
+# Automatic Building
+
+We offer a new [build script](build.sh) that automates and help you to
+compile Aseprite following instructions on screen. This will be the
+preferred method for new users and developers to compile Aseprite.
+
+After you get [get Aseprite code](#get-the-source-code) and install
+[its dependencies](#dependencies), you can run [build.cmd](build.cmd)
+file on Windows double-clicking it, or [build.sh](build.sh) on macOS or
+Linux running it from the terminal from the same Aseprite folder.
+
+# Manual Building
 
 1. [Get Aseprite code](#get-the-source-code), put it in a folder like
    `C:\aseprite`, and create a `build` directory inside to leave all
@@ -223,7 +235,9 @@ If you have a Retina display, check the following issue:
 
 ## Linux details
 
-You need to use clang and libc++ to compile Aseprite:
+You can compile Aseprite with gcc or clang. In case that you are using
+the [pre-compiled Skia version](https://github.com/aseprite/skia/releases/),
+you must use libstdc++ to compile Aseprite:
 
     cd aseprite
     mkdir build
@@ -232,8 +246,8 @@ You need to use clang and libc++ to compile Aseprite:
     export CXX=clang++
     cmake \
       -DCMAKE_BUILD_TYPE=RelWithDebInfo \
-      -DCMAKE_CXX_FLAGS:STRING=-stdlib=libc++ \
-      -DCMAKE_EXE_LINKER_FLAGS:STRING=-stdlib=libc++ \
+      -DCMAKE_CXX_FLAGS:STRING=-stdlib=libstdc++ \
+      -DCMAKE_EXE_LINKER_FLAGS:STRING=-stdlib=libstdc++ \
       -DLAF_BACKEND=skia \
       -DSKIA_DIR=$HOME/deps/skia \
       -DSKIA_LIBRARY_DIR=$HOME/deps/skia/out/Release-x64 \
@@ -245,13 +259,6 @@ You need to use clang and libc++ to compile Aseprite:
 In this case, `$HOME/deps/skia` is the directory where Skia was
 compiled or uncompressed.
 
-### GCC compiler
-
-In case that you are using the pre-compiled Skia version, you must use
-the clang compiler and libc++ to compile Aseprite. Only if you compile
-Skia with GCC, you will be able to compile Aseprite with GCC, and this
-is not recommended as you will have a performance penalty doing so.
-
 # Using shared third party libraries
 
 If you don't want to use the embedded code of third party libraries

README.md

@@ -48,45 +48,14 @@ You can ask for help in:
   [YouTube](https://www.youtube.com/user/aseprite),
   [Instagram](https://www.instagram.com/aseprite/).
 
-## Authors
-
-Aseprite is being developed by [Igara Studio](https://igara.com/):
-
-* [David Capello](https://davidcapello.com/)
-* [Gaspar Capello](https://github.com/Gasparoken)
-* [Martín Capello](https://github.com/martincapello)
-
 ## Credits
 
-The default Aseprite theme was introduced in v0.8, created by:
+Aseprite was originally created by [David Capello](https://davidcapello.com/)
+and is now being developed and maintained by [Igara Studio](https://igara.com/)
+and contributors.
 
-* [Ilija Melentijevic](https://ilkke.net/)
-
-A modified dark version of this theme introduced in v1.3-beta1 was created by:
-
-* [Nicolas Desilets](https://twitter.com/MapleGecko)
-* [David Capello](https://twitter.com/davidcapello)
-
-Aseprite includes color palettes created by:
-
-* [Richard "DawnBringer" Fhager](http://pixeljoint.com/p/23821.htm), [16 colors](http://pixeljoint.com/forum/forum_posts.asp?TID=12795),  [32 colors](http://pixeljoint.com/forum/forum_posts.asp?TID=16247).
-* [Arne Niklas Jansson](http://androidarts.com/), [16 colors](http://androidarts.com/palette/16pal.htm), [32 colors](http://wayofthepixel.net/index.php?topic=15824.msg144494).
-* [ENDESGA Studios](https://twitter.com/ENDESGA), [EDG16 and EDG32](https://forums.tigsource.com/index.php?topic=46126.msg1279124#msg1279124), and [other palettes](https://twitter.com/ENDESGA/status/865812366931353600).
-* [Hyohnoo Games](https://twitter.com/Hyohnoo), [mail24](https://twitter.com/Hyohnoo/status/797472587974639616) palette.
-* [Davit Masia](https://twitter.com/DavitMasia), [matriax8c](https://twitter.com/DavitMasia/status/834862452164612096) palette.
-* [Javier Guerrero](https://twitter.com/Xavier_Gd), [nyx8](https://twitter.com/Xavier_Gd/status/868519467864686594) palette.
-* [Adigun A. Polack](https://twitter.com/adigunpolack), [AAP-64](http://pixeljoint.com/pixelart/119466.htm), [AAP-Splendor128](http://pixeljoint.com/pixelart/120714.htm), [SimpleJPC-16](http://pixeljoint.com/pixelart/119844.htm), and [AAP-Micro12](http://pixeljoint.com/pixelart/121151.htm) palette.
-* [PineTreePizza](https://twitter.com/PineTreePizza), [Rosy-42](https://twitter.com/PineTreePizza/status/1006536191955623938) palette.
-
-It tries to replicate some pixel-art algorithms:
-
-* [RotSprite](http://forums.sonicretro.org/index.php?showtopic=8848&st=15&p=159754&#entry159754) by Xenowhirl.
-* [Pixel perfect drawing algorithm](https://deepnight.net/blog/tools/pixel-perfect-drawing/) by [Sébastien Bénard](https://twitter.com/deepnightfr) and [Carduus](https://twitter.com/CarduusHimself/status/420554200737935361).
-
-Thanks to [third-party open source projects](docs/LICENSES.md), to
-[contributors](https://www.aseprite.org/contributors/), and all the
-people who have contributed ideas, patches, bugs report, feature
-requests, donations, and help us to develop Aseprite.
+Check the [AUTHORS](AUTHORS.md) file for details about the active team
+of developers working on Aseprite.
 
 ## License
 

build.sh

@@ -56,31 +56,6 @@ if [ "$1" == "--norun" ] ; then
     norun=1
 fi
 
-# Platform.
-if [[ "$(uname)" =~ "MINGW32" ]] || [[ "$(uname)" =~ "MINGW64" ]] || [[ "$(uname)" =~ "MSYS_NT-10.0" ]] ; then
-    is_win=1
-    cpu=x64
-
-    if ! cl.exe >/dev/null 2>/dev/null ; then
-        echo ""
-        echo "MSVC compiler (cl.exe) not found in PATH"
-        echo ""
-        echo "  PATH=$PATH"
-        echo ""
-        exit 1
-    fi
-elif [[ "$(uname)" == "Linux" ]] ; then
-    is_linux=1
-    cpu=x64
-elif [[ "$(uname)" =~ "Darwin" ]] ; then
-    is_macos=1
-    if [[ $(uname -m) == "arm64" ]]; then
-        cpu=arm64
-    else
-        cpu=x64
-    fi
-fi
-
 # Check utilities.
 if ! cmake --version >/dev/null ; then
     echo ""
@@ -137,6 +112,23 @@ if [ $run_submodule_update ] ; then
     echo "Done"
 fi
 
+# Platform.
+if ! source "$pwd/laf/misc/platform.sh" ; then
+    exit $?
+fi
+
+if [ $is_win ] ; then
+    # Check MSVC compiler.
+    if ! cl.exe >/dev/null 2>/dev/null ; then
+        echo ""
+        echo "MSVC compiler (cl.exe) not found in PATH"
+        echo ""
+        echo "  PATH=$PATH"
+        echo ""
+        exit 1
+    fi
+fi
+
 # Create the directory to store the configuration.
 if [ ! -d "$pwd/.build" ] ; then
     mkdir "$pwd/.build"
@@ -150,25 +142,25 @@ if [ ! -f "$pwd/.build/userkind" ] ; then
         echo "user" > $pwd/.build/userkind
     else
         echo ""
-        echo "Select what kind of user you are (press U or D keys):"
+        echo "Select what kind of user you are (press U or D key and then Enter):"
         echo ""
         echo "  [U]ser: give a try to Aseprite"
         echo "  [D]eveloper: develop/modify Aseprite"
         echo ""
-        read -sN 1 -p "[U/D]? "
-        echo ""
-        if [[ "$REPLY" == "d" || "$REPLY" == "D" ]] ; then
+        read -p "[U/D]? "
+        REPLY=$(echo $REPLY | tr '[:upper:]' '[:lower:]')
+        if [[ "$REPLY" == "d" || "$REPLY" == "dev" || "$REPLY" == "developer" ]] ; then
             echo "developer" > $pwd/.build/userkind
-        elif [[ "$REPLY" == "u" || "$REPLY" == "U" ]] ; then
+        elif [[ "$REPLY" == "u" || "$REPLY" == "user" ]] ; then
             echo "user" > $pwd/.build/userkind
         else
-            echo "Use U or D keys to select kind of user/build process"
+            echo "Use U or D keys (and press Enter) to select kind of user/build process"
             exit 1
         fi
     fi
 fi
 
-userkind=$(echo -n $(cat $pwd/.build/userkind))
+userkind=$(cat $pwd/.build/userkind)
 if [ "$userkind" == "developer" ] ; then
     echo "======================= BUILDING FOR DEVELOPER ======================="
 else
@@ -229,7 +221,7 @@ if [ ! -f "$pwd/.build/builds_dir" ] ; then
     echo "$builds_dir" > "$pwd/.build/builds_dir"
 fi
 # Overwrite $builds_dir variable from the config content.
-builds_dir="$(echo -n $(cat $pwd/.build/builds_dir))"
+builds_dir="$(cat $pwd/.build/builds_dir)"
 
 # List all builds.
 builds_list="$(mktemp)"
@@ -265,7 +257,8 @@ else
     # New build
     if [[ "$build_n" == "n" || "$build_n" == "N" ]] ; then
         read -p "Select build type [RELEASE/debug]? "
-        if [[ "${REPLY,,}" == "debug" ]] ; then
+        REPLY=$(echo $REPLY | tr '[:upper:]' '[:lower:]')
+        if [[ "${REPLY}" == "debug" ]] ; then
             build_type=Debug
             new_build_name=aseprite-debug
         else
@@ -348,10 +341,7 @@ else
     elif git --git-dir="$source_dir/.git" branch --contains "$remote/main" | grep -q "^\* $branch_name\$" ; then
         base_branch_name=main
     else
-        echo ""
-        echo "Error: Branch $branch_name looks like doesn't belong to main or beta"
-        echo ""
-        exit 1
+        base_branch_name=$branch_name
     fi
 fi
 
@@ -366,15 +356,9 @@ else
 fi
 
 # Required Skia for the base branch.
-if [ "$base_branch_name" == "beta" ] ; then
-    skia_tag=m124-08a5439a6b
-    file_skia_dir=beta_skia_dir
-    possible_skia_dir_name=skia-m124
-else
-    skia_tag=m102-861e4743af
-    file_skia_dir=main_skia_dir
-    possible_skia_dir_name=skia
-fi
+skia_tag=$(cat "$pwd/laf/misc/skia-tag.txt")
+possible_skia_dir_name=skia-$(echo $skia_tag | cut -d "-" -f 1)
+file_skia_dir="$base_branch_name"_skia_dir
 
 # Check Skia dependency.
 if [ ! -f "$pwd/.build/$file_skia_dir" ] ; then
@@ -385,23 +369,33 @@ if [ ! -f "$pwd/.build/$file_skia_dir" ] ; then
         skia_dir="$HOME/deps/$possible_skia_dir_name"
     fi
 
+    # Set default location if not found
     if [ ! -d "$skia_dir" ] ; then
-        echo ""
-        echo "Skia directory wasn't found."
-        echo ""
-
-        echo "Select Skia directory to create [$skia_dir]? "
-        if [ ! $auto ] ; then
-            read skia_dir_read
-            if [ "$skia_dir_read" != "" ] ; then
-                skia_dir="$skia_dir_read"
-            fi
+        # Use .deps directory to download Skia for users (which is a
+        # simple setup). In case of developers we'd prefer the shared
+        # directory by default.
+        if [ "$userkind" == "user" ] ; then
+            skia_dir="$pwd/.deps/$possible_skia_dir_name"
+        fi
+
+        if [ ! -d "$skia_dir" ] ; then
+            echo ""
+            echo "Skia directory wasn't found."
+            echo ""
+
+            echo "Select Skia directory to create [$skia_dir]? "
+            if [ ! $auto ] ; then
+                read skia_dir_read
+                if [ "$skia_dir_read" != "" ] ; then
+                    skia_dir="$skia_dir_read"
+                fi
+            fi
+            mkdir -p $skia_dir || exit 1
         fi
-        mkdir -p $skia_dir || exit 1
     fi
     echo $skia_dir > "$pwd/.build/$file_skia_dir"
 fi
-skia_dir=$(echo -n $(cat $pwd/.build/$file_skia_dir))
+skia_dir=$(cat $pwd/.build/$file_skia_dir)
 if [ ! -d "$skia_dir" ] ; then
     mkdir "$skia_dir"
 fi
@@ -421,25 +415,20 @@ if [ ! -d "$skia_library_dir" ] ; then
     echo "Skia library wasn't found."
     echo ""
     if [ ! $auto ] ; then
-        read -sN 1 -p "Download pre-compiled Skia automatically [Y/n]? "
+        read -p "Download pre-compiled Skia automatically [Y/n]? "
+        # Convert the Enter key as the default option: an empty string
+        REPLY=$(echo $REPLY | tr '[:upper:]' '[:lower:]')
     fi
-    if [[ $auto || "$REPLY" == "" || "$REPLY" == "y" || "$REPLY" == "Y" ]] ; then
+    if [[ $auto || "$REPLY" == "" || "$REPLY" == "y" || "$REPLY" == "yes" ]] ; then
         if [[ $is_win && "$build_type" == "Debug" ]] ; then
             skia_build=Debug
         else
             skia_build=Release
         fi
-
-        if [ $is_win ] ; then
-            skia_file=Skia-Windows-$skia_build-$cpu.zip
-        elif [ $is_macos ] ; then
-            skia_file=Skia-macOS-$skia_build-$cpu.zip
-        else
-            skia_file=Skia-Linux-$skia_build-$cpu-libstdc++.zip
-        fi
-        skia_url=https://github.com/aseprite/skia/releases/download/$skia_tag/$skia_file
+        skia_url=$(bash laf/misc/skia-url.sh $skia_build)
+        skia_file=$(basename $skia_url)
         if [ ! -f "$skia_dir/$skia_file" ] ; then
-            curl -L -o "$skia_dir/$skia_file" "$skia_url"
+            curl --ssl-revoke-best-effort -L -o "$skia_dir/$skia_file" "$skia_url"
         fi
         if [ ! -d "$skia_library_dir" ] ; then
             unzip -n -d "$skia_dir" "$skia_dir/$skia_file"
@@ -468,7 +457,7 @@ if [ ! -f "$active_build_dir/ninja.build" ] ; then
     echo "This will take some minutes."
     echo ""
     if [ ! $auto ] ; then
-        read -sN 1 -p "Press any key to continue. "
+        read -p "Press Enter to continue."
     fi
 
     if [ $is_macos ] ; then

data/extensions/aseprite-theme/dark/theme.xml

@@ -709,10 +709,11 @@
         <style id="workspace_splitter">
             <background color="workspace" />
         </style>
-        <style id="horizontal_separator" border-left="2" border-top="4" border-right="2" border-bottom="0">
+        <style id="horizontal_separator" border="2">
             <background color="window_face" />
             <background-border part="separator_horz" align="middle" />
             <text color="separator_label" x="4" align="left middle" />
+            <text color="disabled" x="4" align="left middle" state="disabled"/>
         </style>
         <style id="menu_separator" extends="horizontal_separator" />
         <style id="separator_in_view" extends="horizontal_separator">

data/extensions/aseprite-theme/theme.xml

@@ -702,10 +702,11 @@
         <style id="workspace_splitter">
             <background color="workspace" />
         </style>
-        <style id="horizontal_separator" border-left="2" border-top="4" border-right="2" border-bottom="0">
+        <style id="horizontal_separator" border="2">
             <background color="window_face" />
             <background-border part="separator_horz" align="middle" />
             <text color="separator_label" x="4" align="left middle" />
+            <text color="disabled" x="4" align="left middle" state="disabled"/>
         </style>
         <style id="menu_separator" extends="horizontal_separator" />
         <style id="separator_in_view" extends="horizontal_separator">
@@ -1042,6 +1043,12 @@
             <text color="slider_empty_text" align="center middle" />
             <text color="slider_empty_text" align="center middle" state="focus" y="1" />
         </style>
+        <style id="textedit" border="2">
+            <background color="textbox_face" />
+            <text color="textbox_text" align="left" />
+            <text color="selected" align="left" state="selected" />
+            <text color="selected_text" align="left" state="selected" />
+        </style>
         <style id="mini_slider" extends="slider" font="mini">
             <background part="mini_slider_empty" />
             <text color="slider_empty_text" align="center middle" />

data/fonts/fonts.xml

@@ -34,14 +34,14 @@
         type="spritesheet"
         descent="2"
         file="aseprite_font.png">
-    <fallback font="Unicode" size="8" />
+    <fallback font="Unicode" size="14" />
   </font>
 
   <font name="Aseprite Mini"
         type="spritesheet"
         descent="1"
         file="aseprite_mini.png">
-    <fallback font="Unicode" size="6" />
+    <fallback font="Unicode" size="10" />
   </font>
 
 </fonts>

data/pref.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Aseprite -->
-<!-- Copyright (C) 2018-2024  Igara Studio S.A. -->
+<!-- Copyright (C) 2018-2025  Igara Studio S.A. -->
 <!-- Copyright (C) 2014-2018  David Capello -->
 <preferences>
 
@@ -356,6 +356,7 @@
     <section id="file_selector">
       <option id="current_folder" type="std::string" default="&quot;&lt;empty&gt;&quot;" />
       <option id="zoom" type="double" default="1.0" />
+      <option id="show_hidden" type="bool" default="false" />
     </section>
     <section id="text_tool">
       <option id="font_face" type="std::string" />
@@ -550,6 +551,7 @@
       <option id="enabled" type="bool" default="false" />
       <option id="overlay_enabled" type="bool" default="false" />
       <option id="overlay_size" type="int" default="5" />
+      <option id="scale_up_to_fit" type="bool" default="false" />
     </section>
     <section id="onionskin">
       <option id="active" type="bool" default="false" />

data/strings/en.ini

@@ -765,6 +765,7 @@ pinned_folders = Pinned Folders
 recent_folders = Recent Folders
 all_formats = All formats
 all_files = All files
+show_hidden = Show hidden
 
 [filters]
 selected_cels = Selected
@@ -785,6 +786,11 @@ load = Load External Font
 select_truetype_fonts = Select a Font File
 empty_fonts = No system fonts were found
 
+[font_style]
+antialias = Antialias
+hinting = Hinting
+ligatures = Ligatures
+
 [frame_combo]
 all_frames = All frames
 selected_frames = Selected frames
@@ -1666,6 +1672,11 @@ n_slices_removed = {} slice(s) removed
 x_removed = Layer "{}" removed
 layers_removed = Layers removed
 
+[resource_listbox]
+loading = Loading
+pin = Pin this item
+unpin = Unpin this item
+
 [save_file]
 title = Save File
 save_as = Save As
@@ -1682,7 +1693,8 @@ title = Save Selection (.msk file)
 [script_access]
 title = Security
 script_label = The following script:
-file_label = wants to access to this file:
+file_label = wants to access this file:
+file_write_label = wants to write to this file:
 command_label = wants to execute the following command:
 websocket_label = wants to open a WebSocket connection to this URL:
 clipboard_label = wants to access the system clipboard
@@ -1696,7 +1708,7 @@ allow_load_lib_access = &Allow Load External Library
 give_full_access = Give Script Full &Access
 stop_script = &Stop Script
 
-[select_accelerator]
+[select_shortcut]
 title = Keyboard Shortcut
 key = Key:
 clear = Clear
@@ -1823,6 +1835,18 @@ pixel_scale = Pixel Scale
 with_vars = Use CSS3 Variables
 generate_html = Generate Sample HTML File
 
+[shape]
+fill = Fill
+stroke = Stroke
+stroke_width = Stroke Width
+
+[text_tool]
+font_family = Font Family
+font_size = Font Size
+bold = Bold
+italic = Italic
+more_options = More Options
+
 [timeline_conf]
 position = Position:
 left = &Left
@@ -1833,6 +1857,7 @@ first_frame = First Frame:
 thumbnails = Thumbnails
 thumbnail_size = Thumbnail Size:
 overlay_size = Overlay Size:
+scale_up_to_fit = Scale up to fit
 onion_skin = Onion Skin:
 merge_frames = Merge Frames
 red_blue_tint = Red/Blue Tint
@@ -1845,6 +1870,7 @@ behind_sprite = Behind sprite
 behind_sprite_toolip = Only for transparent layers.\nBackground is not included in this onion skin mode.
 in_front = In front of sprite
 in_front_toolip = For all kind of layers (background and transparent)
+set_as_defaults = Set as Defaults
 
 [tools]
 rectangular_marquee = Rectangular Marquee Tool
@@ -1883,6 +1909,7 @@ timeline_show = Show Timeline
 
 [undo_history]
 title = Undo History
+initial_state = Initial State
 
 [user_data]
 user_data = User Data:

data/widgets/about.xml

@@ -1,29 +1,14 @@
 <!-- Aseprite -->
-<!-- Copyright (C) 2018-2024  Igara Studio S.A. -->
+<!-- Copyright (C) 2018-2025  Igara Studio S.A. -->
 <!-- Copyright (C) 2018  David Capello -->
 <gui i18nwarnings="false">
 <window id="about" text="About Aseprite">
   <vbox>
     <label text="" id="title" />
     <label text="Animated sprite editor &amp;&amp; pixel art tool" />
-    <hbox homogeneous="true">
-      <hbox>
-        <vbox expansive="true">
-          <separator text="Developer Team" horizontal="true" />
-          <link text="David Capello" url="https://twitter.com/davidcapello" />
-          <link text="Gaspar Capello" url="https://twitter.com/Gasparoken" />
-          <link text="Martín Capello" url="https://twitter.com/martincapell0" />
-          <vbox minheight="8" />
-        </vbox>
-        <separator vertical="true" />
-      </hbox>
-      <vbox>
-        <separator text="Credits" horizontal="true" cell_hspan="2" />
-        <link text="Contributors" url="" id="credits" />
-        <link text="Translators" url="" id="i18n_credits" />
-        <link text="Open Source Projects" url="" id="licenses" />
-      </vbox>
-    </hbox>
+    <link text="Authors &amp;&amp; Credits" url="" id="credits" />
+    <link text="Translators" url="" id="i18n_credits" />
+    <link text="Open Source Projects" url="" id="licenses" />
     <separator horizontal="true" />
     <hbox>
       <label text="Copyright (C) 2001-2025" />

data/widgets/file_selector.xml

@@ -23,6 +23,7 @@
       <combobox id="location" expansive="true" />
       <button text="" id="refresh_button" style="refresh_button"
                 tooltip="@.refresh_button_tooltip" tooltip_dir="bottom" />
+      <check id="show_hidden_check" text="@.show_hidden" />
     </box>
     <vbox id="file_view_placeholder" expansive="true" />
     <grid columns="2">

data/widgets/font_style.xml

@@ -0,0 +1,10 @@
+<!-- Aseprite -->
+<!-- Copyright (C) 2025 by Igara Studio S.A. -->
+<gui>
+  <vbox id="font_style">
+    <check id="antialias" text="@.antialias" />
+    <check id="hinting" text="@.hinting" />
+    <separator horizontal="true" />
+    <check id="ligatures" text="@.ligatures" />
+  </vbox>
+</gui>

data/widgets/layer_properties.xml

@@ -4,7 +4,7 @@
 <gui>
 <window id="layer_properties" text="@.title">
   <vbox>
-    <grid id="properties_grid" columns="3">
+    <grid id="properties_grid" columns="3" expansive="true">
       <label text="@.name" />
       <entry text="" id="name" magnet="true" maxsize="256" minwidth="64" cell_align="horizontal" />
       <button id="user_data" icon="icon_user_data" tooltip="@general.user_data" />

data/widgets/select_shortcut.xml

@@ -1,7 +1,8 @@
 <!-- Aseprite -->
+<!-- Copyright (C) 2025 by Igara Studio S.A. -->
 <!-- Copyright (C) 2001-2016 by David Capello -->
 <gui>
-  <window id="select_accelerator" text="@.title">
+  <window id="select_shortcut" text="@.title">
     <vbox expansive="true">
       <grid columns="3">
         <label text="@.key" />

data/widgets/timeline_conf.xml

@@ -1,4 +1,5 @@
 <!-- Aseprite -->
+<!-- Copyright (C) 2025 Igara Studio S.A. -->
 <!-- Copyright (C) 2014-2018 by David Capello -->
 <gui>
 <vbox id="timeline_conf">
@@ -30,6 +31,7 @@
 
         <check id="thumb_overlay_enabled" text="@.overlay_size"/>
         <slider min="2" max="10" id="thumb_overlay_size" cell_align="horizontal" width="128" />
+        <check id="thumb_scale_up_to_fit" text="@.scale_up_to_fit" cell_hspan="2" />
       </grid>
     </vbox>
   </hbox>
@@ -55,5 +57,11 @@
       <radio group="2" text="@.in_front" id="infront" tooltip="@.in_front_toolip" />
     </hbox>
   </grid>
+
+  <separator horizontal="true" />
+  <hbox>
+    <boxfiller />
+    <button id="defaults" text="@.set_as_defaults" />
+  </hbox>
 </vbox>
 </gui>

data/widgets/user_data.xml

@@ -6,6 +6,8 @@
     <label id="color_label" text="@.color" />
     <label id="entry_label" text="@.user_data" />
     <colorpicker id="color" simple="true" expansive="true" />
-    <entry id="entry" maxsize="65535" minwidth="128" expansive="true" />
+    <view id="text_edit_view" height="30" expansive="true">
+      <textedit id="text_edit" />
+    </view>
   </hbox>
 </gui>

docs/LICENSES.md

@@ -1,5 +1,34 @@
 Aseprite uses the following open source projects:
 
+* [Allegro 4](http://liballeg.org/)
+* [Bresenham algorithm implementations by Alois Zingl](http://members.chello.at/easyfilter/bresenham.html)
+* [cityhash](https://github.com/google/cityhash)
+* [cmark](https://github.com/jgm/cmark)
+* [curl](http://curl.haxx.se/)
+* [fmt](https://github.com/fmtlib/fmt)
+* [FreeType](http://www.freetype.org/)
+* [giflib](http://sourceforge.net/projects/giflib/)
+* [Google Test](https://github.com/google/googletest)
+* [harfbuzz](http://harfbuzz.org)
+* [IXWebSocket](https://github.com/machinezone/IXWebSocket)
+* [json11](https://github.com/dropbox/json11/)
+* [libarchive](http://www.libarchive.org/)
+* [libjpeg-turbo](https://libjpeg-turbo.org/)
+* [libpng](http://www.libpng.org/pub/png/)
+* [libwebp](https://developers.google.com/speed/webp/)
+* [Lua](https://www.lua.org/)
+* [pixman](http://www.pixman.org/)
+* [qoi](https://github.com/phoboslab/qoi)
+* [Sentry](https://sentry.io)
+* [skia](https://skia.org)
+* [simpleini](https://github.com/aseprite/simpleini/)
+* [TinyEXIF](https://github.com/cdcseacave/TinyEXIF)
+* [tinyexpr](https://github.com/codeplea/tinyexpr)
+* [tinyxml2](https://github.com/leethomason/tinyxml2)
+* [ucdn](https://github.com/grigorig/ucdn)
+* [Wintab API](http://www.wacomeng.com/windows/docs/WintabBackground.htm)
+* [zlib](http://www.zlib.net/)
+
 # [Allegro 4](http://liballeg.org/)
 
 ```

laf

@@ -1 +1 @@
-Subproject commit f858a8412897a4f9e95fd8aeac891466fbd06852
+Subproject commit 8ec4b553f1618f7a4b47cdcf4cfc2663266111ac

src/CMakeLists.txt

@@ -1,5 +1,5 @@
 # Aseprite
-# Copyright (C) 2019-2024  Igara Studio S.A.
+# Copyright (C) 2019-2025  Igara Studio S.A.
 # Copyright (C) 2001-2018  David Capello
 
 ######################################################################
@@ -152,6 +152,12 @@ add_custom_command(
   MAIN_DEPENDENCY ${CMAKE_CURRENT_SOURCE_DIR}/../README.md)
 list(APPEND out_data_files ${DATA_OUTPUT_DIR}/README.md)
 
+add_custom_command(
+  OUTPUT ${DATA_OUTPUT_DIR}/AUTHORS.md
+  COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_SOURCE_DIR}/../AUTHORS.md ${DATA_OUTPUT_DIR}/AUTHORS.md
+  MAIN_DEPENDENCY ${CMAKE_CURRENT_SOURCE_DIR}/../AUTHORS.md)
+list(APPEND out_data_files ${DATA_OUTPUT_DIR}/AUTHORS.md)
+
 add_custom_command(
   OUTPUT ${DATA_OUTPUT_DIR}/EULA.txt
   COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_SOURCE_DIR}/../EULA.txt ${DATA_OUTPUT_DIR}/EULA.txt
@@ -174,8 +180,8 @@ if(ENABLE_ASEPRITE_EXE)
 
   if(WIN32)
     set(main_resources
-      main/resources_win32.rc
-      main/settings.manifest)
+      main/win/resources_win32.rc
+      main/win/settings.manifest)
   endif()
 
   add_executable(${main_target}

src/README.md

@@ -72,6 +72,10 @@ In Debug mode (`_DEBUG`):
 * [`TRACEARGS`](https://github.com/aseprite/laf/blob/f3222bdee2d21556e9da55343e73803c730ecd97/base/debug.h#L40):
   in debug mode, it prints in the terminal/console each given argument
 
+In release mode you can use a similar function:
+
+* `PRINTARGS` prints in the terminal/console each given argument
+
 # Detect Platform
 
 You can check the platform using some `laf` macros:

src/app/CMakeLists.txt

@@ -108,7 +108,7 @@ endif()
 # This defines a specific webp decoding utility function for using
 # in Windows when dragging and dropping images that are stored as
 # webp files (like Chrome does).
-if(WIN32 AND ENABLE_WEBP)
+if(WIN32 AND ENABLE_WEBP AND LAF_BACKEND STREQUAL "skia")
   target_sources(app-lib PRIVATE util/decode_webp.cpp)
 endif()
 
@@ -290,7 +290,6 @@ target_sources(app-lib PRIVATE
   cmd/copy_region.cpp
   cmd/crop_cel.cpp
   cmd/deselect_mask.cpp
-  cmd/drop_on_timeline.cpp
   cmd/flatten_layers.cpp
   cmd/flip_image.cpp
   cmd/flip_mask.cpp
@@ -526,6 +525,7 @@ target_sources(app-lib PRIVATE
   context_flags.cpp
   doc.cpp
   doc_api.cpp
+  doc_api_dnd_helper.cpp
   doc_diff.cpp
   doc_exporter.cpp
   doc_range_ops.cpp
@@ -669,7 +669,7 @@ target_sources(app-lib PRIVATE
   ui/rgbmap_algorithm_selector.cpp
   ui/sampling_selector.cpp
   ui/search_entry.cpp
-  ui/select_accelerator.cpp
+  ui/select_shortcut.cpp
   ui/selection_mode_field.cpp
   ui/skin/skin_part.cpp
   ui/skin/skin_property.cpp
@@ -684,6 +684,7 @@ target_sources(app-lib PRIVATE
   ui/tile_button.cpp
   ui/tileset_selector.cpp
   ui/timeline/ani_controls.cpp
+  ui/timeline/doc_providers.cpp
   ui/timeline/timeline.cpp
   ui/toolbar.cpp
   ui/user_data_view.cpp
@@ -706,6 +707,7 @@ target_sources(app-lib PRIVATE
   util/layer_utils.cpp
   util/msk_file.cpp
   util/new_image_from_mask.cpp
+  util/open_file_job.cpp
   util/pal_ops.cpp
   util/pic_file.cpp
   util/pixel_ratio.cpp

src/app/app.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2018-2024  Igara Studio S.A.
+// Copyright (C) 2018-2025  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -79,7 +79,7 @@
   #include "os/x11/system.h"
 #endif
 
-#if ENABLE_WEBP && LAF_WINDOWS
+#if ENABLE_WEBP && LAF_WINDOWS && LAF_SKIA
   #include "app/util/decode_webp.h"
 #endif
 
@@ -485,7 +485,7 @@ void App::run(const bool runGuiManager)
     // How to interpret one finger on Windows tablets.
     manager->display()->nativeWindow()->setInterpretOneFingerGestureAsMouseMovement(
       preferences().experimental.oneFingerAsMouseMovement());
-  #if ENABLE_WEBP
+  #if ENABLE_WEBP && LAF_SKIA
     // In Windows we use a custom webp decoder for drag & drop operations.
     os::set_decode_webp(util::decode_webp);
   #endif

src/app/app_menus.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2019-2024  Igara Studio S.A.
+// Copyright (C) 2019-2025  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -113,11 +113,11 @@ bool can_call_global_shortcut(const AppMenuItem::Native* native)
     (focus == nullptr || focus->type() != ui::kEntryWidget ||
      !is_text_entry_shortcut(native->shortcut)) &&
     (native->keyContext == KeyContext::Any ||
-     native->keyContext == KeyboardShortcuts::instance()->getCurrentKeyContext());
+     native->keyContext == KeyboardShortcuts::getCurrentKeyContext());
 }
 
-// TODO this should be on "she" library (or we should use
-// os::Shortcut instead of ui::Accelerators)
+// TODO this should be on laf-os library (or we should use
+// os::Shortcut instead of ui::Shortcuts)
 int from_scancode_to_unicode(KeyScancode scancode)
 {
   static int map[] = {
@@ -284,22 +284,21 @@ void destroy_menu_item(ui::Widget* item)
 
 os::Shortcut get_os_shortcut_from_key(const Key* key)
 {
-  if (key && !key->accels().empty()) {
-    const ui::Accelerator& accel = key->accels().front();
+  if (key && !key->shortcuts().empty()) {
+    const ui::Shortcut& shortcut = key->shortcuts().front();
 
 #if LAF_MACOS
     // Shortcuts with spacebar as modifier do not work well in macOS
     // (they will be called when the space bar is unpressed too).
-    if ((accel.modifiers() & ui::kKeySpaceModifier) == ui::kKeySpaceModifier)
+    if ((shortcut.modifiers() & ui::kKeySpaceModifier) == ui::kKeySpaceModifier)
       return os::Shortcut();
 #endif
 
-    return os::Shortcut(
-      (accel.unicodeChar() ? accel.unicodeChar() : from_scancode_to_unicode(accel.scancode())),
-      accel.modifiers());
+    return os::Shortcut((shortcut.unicodeChar() ? shortcut.unicodeChar() :
+                                                  from_scancode_to_unicode(shortcut.scancode())),
+                        shortcut.modifiers());
   }
-  else
-    return os::Shortcut();
+  return {};
 }
 
 AppMenus* AppMenus::s_instance = nullptr;
@@ -719,7 +718,6 @@ Widget* AppMenus::convertXmlelemToMenuitem(XMLElement* elem, Menu* menu)
 {
   const char* id = elem->Attribute("id");
   const char* group = elem->Attribute("group");
-  const char* standard = elem->Attribute("standard");
 
   // is it a <separator>?
   if (strcmp(elem->Value(), "separator") == 0) {
@@ -781,6 +779,7 @@ Widget* AppMenus::convertXmlelemToMenuitem(XMLElement* elem, Menu* menu)
   }
 
 #if LAF_MACOS
+  const char* standard = elem->Attribute("standard");
   if (standard && strcmp(standard, "edit") == 0)
     menuitem->setAsStandardEditMenu();
 #endif

src/app/cmd/clear_rect.cpp

@@ -1,4 +1,5 @@
 // Aseprite
+// Copyright (C) 2025  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -20,7 +21,20 @@ namespace app { namespace cmd {
 
 using namespace doc;
 
+ClearRect::ClearRect(Cel* cel, const gfx::Rect& bounds, color_t color)
+{
+  ASSERT(cel);
+  initialize(cel, bounds, color);
+}
+
 ClearRect::ClearRect(Cel* cel, const gfx::Rect& bounds)
+{
+  ASSERT(cel);
+  Doc* doc = static_cast<Doc*>(cel->document());
+  initialize(cel, bounds, doc->bgColor(cel->layer()));
+}
+
+void ClearRect::initialize(Cel* cel, const gfx::Rect& bounds, color_t color)
 {
   ASSERT(cel);
 
@@ -37,9 +51,7 @@ ClearRect::ClearRect(Cel* cel, const gfx::Rect& bounds)
     return;
 
   m_dstImage.reset(new WithImage(image));
-
-  Doc* doc = static_cast<Doc*>(cel->document());
-  m_bgcolor = doc->bgColor(cel->layer());
+  m_bgcolor = color;
 
   m_copy.reset(crop_image(image, bounds2.x, bounds2.y, bounds2.w, bounds2.h, m_bgcolor));
 }

src/app/cmd/clear_rect.h

@@ -1,4 +1,5 @@
 // Aseprite
+// Copyright (C) 2025  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -26,6 +27,7 @@ using namespace doc;
 class ClearRect : public Cmd {
 public:
   ClearRect(Cel* cel, const gfx::Rect& bounds);
+  ClearRect(Cel* cel, const gfx::Rect& bounds, color_t color);
 
 protected:
   void onExecute() override;
@@ -37,6 +39,7 @@ protected:
   }
 
 private:
+  void initialize(Cel* cel, const gfx::Rect& bounds, color_t color);
   void clear();
   void restore();
 

src/app/cmd/drop_on_timeline.cpp

@@ -1,397 +0,0 @@
-// Aseprite
-// Copyright (C) 2024  Igara Studio S.A.
-//
-// This program is distributed under the terms of
-// the End-User License Agreement for Aseprite.
-
-#ifdef HAVE_CONFIG_H
-  #include "config.h"
-#endif
-
-#include "app/cmd/drop_on_timeline.h"
-
-#include "app/cmd/add_layer.h"
-#include "app/cmd/move_cel.h"
-#include "app/cmd/set_pixel_format.h"
-#include "app/console.h"
-#include "app/context_flags.h"
-#include "app/doc.h"
-#include "app/doc_event.h"
-#include "app/file/file.h"
-#include "app/tx.h"
-#include "app/util/layer_utils.h"
-#include "app/util/open_file_job.h"
-#include "base/serialization.h"
-#include "doc/layer_io.h"
-#include "doc/layer_list.h"
-#include "doc/subobjects_io.h"
-#include "render/dithering.h"
-
-#include <algorithm>
-
-namespace app { namespace cmd {
-
-using namespace base::serialization::little_endian;
-
-DropOnTimeline::DropOnTimeline(app::Doc* doc,
-                               doc::frame_t frame,
-                               doc::layer_t layerIndex,
-                               InsertionPoint insert,
-                               DroppedOn droppedOn,
-                               const base::paths& paths)
-  : WithDocument(doc)
-  , m_size(0)
-  , m_paths(paths)
-  , m_frame(frame)
-  , m_layerIndex(layerIndex)
-  , m_insert(insert)
-  , m_droppedOn(droppedOn)
-{
-  ASSERT(m_layerIndex >= 0);
-  for (const auto& path : m_paths)
-    m_size += path.size();
-
-  // Zero layers stored.
-  write32(m_stream, 0);
-  m_size += sizeof(uint32_t);
-}
-
-DropOnTimeline::DropOnTimeline(app::Doc* doc,
-                               doc::frame_t frame,
-                               doc::layer_t layerIndex,
-                               InsertionPoint insert,
-                               DroppedOn droppedOn,
-                               const doc::ImageRef& image)
-  : WithDocument(doc)
-  , m_size(0)
-  , m_image(image)
-  , m_frame(frame)
-  , m_layerIndex(layerIndex)
-  , m_insert(insert)
-  , m_droppedOn(droppedOn)
-{
-  ASSERT(m_layerIndex >= 0);
-
-  // Zero layers stored.
-  write32(m_stream, 0);
-  m_size += sizeof(uint32_t);
-}
-
-void DropOnTimeline::onExecute()
-{
-  Doc* destDoc = document();
-  m_previousTotalFrames = destDoc->sprite()->totalFrames();
-
-  int docsProcessed = 0;
-  while (hasPendingWork()) {
-    std::unique_ptr<Doc> srcDoc;
-    if (!getNextDoc(srcDoc))
-      return;
-
-    if (srcDoc) {
-      docsProcessed++;
-      // If source document doesn't match the destination document's color
-      // mode, change it.
-      if (srcDoc->colorMode() != destDoc->colorMode()) {
-        // Execute in a source doc transaction because we don't need undo/redo
-        // this.
-        Tx tx(srcDoc.get());
-        tx(new cmd::SetPixelFormat(srcDoc->sprite(),
-                                   destDoc->sprite()->pixelFormat(),
-                                   render::Dithering(),
-                                   Preferences::instance().quantization.rgbmapAlgorithm(),
-                                   nullptr,
-                                   nullptr,
-                                   FitCriteria::DEFAULT));
-        tx.commit();
-      }
-
-      // If there is only one source document to process and it has a cel that
-      // can be moved, then move the cel from the source doc into the
-      // destination doc's selected frame.
-      const bool isJustOneDoc = (docsProcessed == 1 && !hasPendingWork());
-      if (isJustOneDoc && canMoveCelFrom(srcDoc.get())) {
-        auto* srcLayer = static_cast<LayerImage*>(srcDoc->sprite()->firstLayer());
-        auto* destLayer = static_cast<LayerImage*>(destDoc->sprite()->allLayers()[m_layerIndex]);
-        executeAndAdd(new MoveCel(srcLayer, 0, destLayer, m_frame, false));
-        break;
-      }
-
-      // If there is no room for the source frames, add frames to the
-      // destination sprite.
-      if (m_frame + srcDoc->sprite()->totalFrames() > destDoc->sprite()->totalFrames()) {
-        destDoc->sprite()->setTotalFrames(m_frame + srcDoc->sprite()->totalFrames());
-      }
-
-      // Save dropped layers from source document.
-      saveDroppedLayers(srcDoc->sprite()->root()->layers(), destDoc->sprite());
-    }
-  }
-
-  if (m_droppedLayersIds.empty())
-    return;
-
-  destDoc->sprite()->incrementVersion();
-  destDoc->incrementVersion();
-
-  insertDroppedLayers();
-}
-
-void DropOnTimeline::onUndo()
-{
-  CmdSequence::onUndo();
-
-  if (m_droppedLayersIds.empty()) {
-    notifyGeneralUpdate();
-    return;
-  }
-
-  Doc* doc = document();
-  frame_t currentTotalFrames = doc->sprite()->totalFrames();
-
-  for (auto id : m_droppedLayersIds) {
-    auto* layer = doc::get<Layer>(id);
-    ASSERT(layer);
-    if (layer) {
-      DocEvent ev(doc);
-      ev.sprite(layer->sprite());
-      ev.layer(layer);
-      doc->notify_observers<DocEvent&>(&DocObserver::onBeforeRemoveLayer, ev);
-
-      LayerGroup* group = layer->parent();
-      group->removeLayer(layer);
-      group->incrementVersion();
-      group->sprite()->incrementVersion();
-
-      doc->notify_observers<DocEvent&>(&DocObserver::onAfterRemoveLayer, ev);
-
-      delete layer;
-    }
-  }
-  doc->sprite()->setTotalFrames(m_previousTotalFrames);
-  doc->sprite()->incrementVersion();
-  m_previousTotalFrames = currentTotalFrames;
-}
-
-void DropOnTimeline::onRedo()
-{
-  CmdSequence::onRedo();
-
-  if (m_droppedLayersIds.empty()) {
-    notifyGeneralUpdate();
-    return;
-  }
-
-  Doc* doc = document();
-  frame_t currentTotalFrames = doc->sprite()->totalFrames();
-  doc->sprite()->setTotalFrames(m_previousTotalFrames);
-  doc->sprite()->incrementVersion();
-  m_previousTotalFrames = currentTotalFrames;
-
-  insertDroppedLayers();
-}
-
-void DropOnTimeline::setupInsertionLayer(Layer*& layer, LayerGroup*& group)
-{
-  const LayerList& allLayers = document()->sprite()->allLayers();
-  layer = allLayers[m_layerIndex];
-  if (m_insert == InsertionPoint::BeforeLayer && layer->isGroup()) {
-    group = static_cast<LayerGroup*>(layer);
-    // The user is trying to drop layers into an empty group, so there is no after
-    // nor before layer...
-    if (group->layersCount() == 0) {
-      layer = nullptr;
-      return;
-    }
-    layer = group->lastLayer();
-    m_insert = InsertionPoint::AfterLayer;
-  }
-
-  group = layer->parent();
-}
-
-bool DropOnTimeline::hasPendingWork()
-{
-  return m_image || !m_paths.empty();
-}
-
-bool DropOnTimeline::getNextDocFromImage(std::unique_ptr<Doc>& srcDoc)
-{
-  if (!m_image)
-    return true;
-
-  Sprite* sprite = new Sprite(m_image->spec(), 256);
-  LayerImage* layer = new LayerImage(sprite);
-  sprite->root()->addLayer(layer);
-  Cel* cel = new Cel(0, m_image);
-  layer->addCel(cel);
-  srcDoc = std::make_unique<Doc>(sprite);
-  m_image = nullptr;
-  return true;
-}
-
-bool DropOnTimeline::getNextDocFromPaths(std::unique_ptr<Doc>& srcDoc)
-{
-  Console console;
-  Context* context = document()->context();
-  int flags = FILE_LOAD_DATA_FILE | FILE_LOAD_AVOID_BACKGROUND_LAYER | FILE_LOAD_CREATE_PALETTE |
-              FILE_LOAD_SEQUENCE_YES;
-
-  std::unique_ptr<FileOp> fop(FileOp::createLoadDocumentOperation(context, m_paths.front(), flags));
-  // Remove the path that is currently being processed
-  m_paths.erase(m_paths.begin());
-
-  // Do nothing (the user cancelled or something like that)
-  if (!fop)
-    return false;
-
-  if (fop->hasError()) {
-    console.printf(fop->error().c_str());
-    return true;
-  }
-
-  base::paths fopFilenames;
-  fop->getFilenameList(fopFilenames);
-  // Remove paths that will be loaded by the current file operation.
-  for (const auto& filename : fopFilenames) {
-    auto it = std::find(m_paths.begin(), m_paths.end(), filename);
-    if (it != m_paths.end())
-      m_paths.erase(it);
-  }
-
-  OpenFileJob task(fop.get(), true);
-  task.showProgressWindow();
-
-  // Post-load processing, it is called from the GUI because may require user intervention.
-  fop->postLoad();
-
-  // Show any error
-  if (fop->hasError() && !fop->isStop())
-    console.printf(fop->error().c_str());
-
-  srcDoc.reset(fop->releaseDocument());
-  return true;
-}
-
-bool DropOnTimeline::getNextDoc(std::unique_ptr<Doc>& srcDoc)
-{
-  if (m_image == nullptr && !m_paths.empty())
-    return getNextDocFromPaths(srcDoc);
-
-  return getNextDocFromImage(srcDoc);
-}
-
-void DropOnTimeline::storeDroppedLayerIds(const Layer* layer)
-{
-  if (layer->isGroup()) {
-    const auto* group = static_cast<const LayerGroup*>(layer);
-    for (auto* child : group->layers())
-      storeDroppedLayerIds(child);
-
-    m_droppedLayersIds.push_back(group->id());
-  }
-  else {
-    m_droppedLayersIds.push_back(layer->id());
-  }
-}
-
-void DropOnTimeline::saveDroppedLayers(const LayerList& layers, Sprite* sprite)
-{
-  size_t start = m_stream.tellp();
-
-  // Calculate the new number of layers.
-  m_stream.seekg(0);
-  uint32_t nLayers = read32(m_stream) + layers.size();
-
-  // Flat list of all the dropped layers.
-  LayerList allDroppedLayers;
-  // Write number of layers (at the beginning of the stream).
-  m_stream.seekp(0);
-  write32(m_stream, nLayers);
-  // Move to where we must start writing.
-  m_stream.seekp(start);
-  for (auto it = layers.cbegin(); it != layers.cend(); ++it) {
-    auto* layer = *it;
-    // TODO: If we could "relocate" a layer from the source document to the
-    // destination document we could avoid making a copy here.
-    std::unique_ptr<Layer> layerCopy(copy_layer_with_sprite(layer, sprite));
-    layerCopy->displaceFrames(0, m_frame);
-
-    write_layer(m_stream, layerCopy.get());
-
-    storeDroppedLayerIds(layerCopy.get());
-  }
-  size_t end = m_stream.tellp();
-  m_size += end - start;
-}
-
-void DropOnTimeline::insertDroppedLayers()
-{
-  // Layer used as a reference to determine if the dropped layers will be
-  // inserted after or before it.
-  Layer* refLayer = nullptr;
-  // Parent group of the reference layer layer.
-  LayerGroup* group = nullptr;
-  // Keep track of the current insertion point.
-  InsertionPoint insert = m_insert;
-
-  setupInsertionLayer(refLayer, group);
-
-  SubObjectsFromSprite io(group->sprite());
-  m_stream.seekg(0);
-  auto nLayers = read32(m_stream);
-  for (int i = 0; i < nLayers; ++i) {
-    auto* layer = read_layer(m_stream, &io);
-
-    if (!refLayer) {
-      group->addLayer(layer);
-      refLayer = layer;
-      insert = InsertionPoint::AfterLayer;
-    }
-    else if (insert == InsertionPoint::AfterLayer) {
-      group->insertLayer(layer, refLayer);
-      refLayer = layer;
-    }
-    else if (insert == InsertionPoint::BeforeLayer) {
-      group->insertLayerBefore(layer, refLayer);
-      refLayer = layer;
-      insert = InsertionPoint::AfterLayer;
-    }
-
-    group->incrementVersion();
-    group->sprite()->incrementVersion();
-
-    Doc* doc = static_cast<Doc*>(group->sprite()->document());
-    DocEvent ev(doc);
-    ev.sprite(group->sprite());
-    ev.layer(layer);
-    doc->notify_observers<DocEvent&>(&DocObserver::onAddLayer, ev);
-  }
-}
-
-// Returns true if the document srcDoc has a cel that can be moved.
-// The cel from the srcDoc can be moved only when all of the following
-// conditions are met:
-// * Drop took place in a cel.
-// * Source doc has only one layer with just one frame.
-// * The layer from the source doc and the destination cel's layer are both
-// Image layers.
-// Otherwise this function returns false.
-bool DropOnTimeline::canMoveCelFrom(app::Doc* srcDoc)
-{
-  auto* srcLayer = srcDoc->sprite()->firstLayer();
-  auto* destLayer = document()->sprite()->allLayers()[m_layerIndex];
-  return m_droppedOn == DroppedOn::Cel && srcDoc->sprite()->allLayersCount() == 1 &&
-         srcDoc->sprite()->totalFrames() == 1 && srcLayer->isImage() && destLayer->isImage();
-}
-
-void DropOnTimeline::notifyGeneralUpdate()
-{
-  Doc* doc = document();
-  if (!doc)
-    return;
-
-  doc->notifyGeneralUpdate();
-}
-
-}} // namespace app::cmd

src/app/cmd/drop_on_timeline.h

@@ -1,95 +0,0 @@
-// Aseprite
-// Copyright (C) 2024 Igara Studio S.A.
-//
-// This program is distributed under the terms of
-// the End-User License Agreement for Aseprite.
-
-#ifndef APP_CMD_drop_on_timeline_H_INCLUDED
-#define APP_CMD_drop_on_timeline_H_INCLUDED
-#pragma once
-
-#include "app/cmd/with_document.h"
-#include "app/cmd_sequence.h"
-#include "app/doc_observer.h"
-#include "base/paths.h"
-#include "doc/frame.h"
-#include "doc/image_ref.h"
-#include "doc/layer.h"
-#include "doc/layer_list.h"
-
-namespace app { namespace cmd {
-
-class DropOnTimeline : public CmdSequence,
-                       public WithDocument {
-public:
-  enum class InsertionPoint {
-    BeforeLayer,
-    AfterLayer,
-  };
-
-  enum class DroppedOn {
-    Unspecified,
-    Frame,
-    Layer,
-    Cel,
-  };
-
-  // Inserts the layers and frames of the documents pointed by the specified
-  // paths, at the specified frame and before or after the specified layer index.
-  DropOnTimeline(app::Doc* doc,
-                 doc::frame_t frame,
-                 doc::layer_t layerIndex,
-                 InsertionPoint insert,
-                 DroppedOn droppedOn,
-                 const base::paths& paths);
-
-  // Inserts the image as if it were a document with just one layer and one
-  // frame, at the specified frame and before or after the specified layer index.
-  DropOnTimeline(app::Doc* doc,
-                 doc::frame_t frame,
-                 doc::layer_t layerIndex,
-                 InsertionPoint insert,
-                 DroppedOn droppedOn,
-                 const doc::ImageRef& image);
-
-protected:
-  void onExecute() override;
-  void onUndo() override;
-  void onRedo() override;
-  size_t onMemSize() const override { return sizeof(*this) + m_size; }
-
-private:
-  void setupInsertionLayer(doc::Layer*& layer, doc::LayerGroup*& group);
-  void insertDroppedLayers();
-  bool canMoveCelFrom(app::Doc* srcDoc);
-  void notifyGeneralUpdate();
-  bool hasPendingWork();
-  // Returns the next document to be processed.
-  // Returns false when the user cancelled the process, or true when the
-  // process must go on.
-  bool getNextDoc(std::unique_ptr<Doc>& srcDoc);
-  bool getNextDocFromImage(std::unique_ptr<Doc>& srcDoc);
-  bool getNextDocFromPaths(std::unique_ptr<Doc>& srcDoc);
-
-  void storeDroppedLayerIds(const doc::Layer* layer);
-  void saveDroppedLayers(const doc::LayerList& layers, doc::Sprite* sprite);
-
-  size_t m_size;
-  base::paths m_paths;
-  doc::ImageRef m_image = nullptr;
-  doc::frame_t m_frame;
-  doc::layer_t m_layerIndex;
-  InsertionPoint m_insert;
-  DroppedOn m_droppedOn;
-  // Serialized dropped layers' data. Used for redo operation.
-  std::stringstream m_stream;
-  // Holds the Object IDs of the dropped layers. Used when determining which
-  // layers should be removed in an undo operation.
-  std::vector<doc::ObjectId> m_droppedLayersIds;
-  // Number of frames the doc had before dropping.
-  doc::frame_t m_previousTotalFrames;
-};
-
-}} // namespace app::cmd
-
-#endif

src/app/commands/cmd_about.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2020-2024  Igara Studio S.A.
+// Copyright (C) 2020-2025  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -44,7 +44,7 @@ void AboutCommand::onExecute(Context* context)
   });
   window.credits()->Click.connect([&window] {
     window.closeWindow(nullptr);
-    App::instance()->mainWindow()->showBrowser("README.md", "Authors");
+    App::instance()->mainWindow()->showBrowser("AUTHORS.md", "Authors");
   });
   window.i18nCredits()->Click.connect([&window] {
     window.closeWindow(nullptr);

src/app/commands/cmd_advanced_mode.cpp

@@ -1,4 +1,5 @@
 // Aseprite
+// Copyright (C) 2025  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -54,11 +55,11 @@ void AdvancedModeCommand::onExecute(Context* context)
 
   if (oldMode == MainWindow::NormalMode && pref.advancedMode.showAlert()) {
     KeyPtr key = KeyboardShortcuts::instance()->command(this->id().c_str());
-    if (!key->accels().empty()) {
+    if (!key->shortcuts().empty()) {
       app::gen::AdvancedMode window;
 
       window.warningLabel()->setTextf("You can go back pressing \"%s\" key.",
-                                      key->accels().front().toString().c_str());
+                                      key->shortcuts().front().toString().c_str());
 
       window.openWindowInForeground();
 

src/app/commands/cmd_cel_properties.cpp

@@ -345,7 +345,7 @@ private:
         color_t c = m_cel->data()->userData().color();
         m_userDataView.color()->setColor(
           Color::fromRgb(rgba_getr(c), rgba_getg(c), rgba_getb(c), rgba_geta(c)));
-        m_userDataView.entry()->setText(m_cel->data()->userData().text());
+        m_userDataView.textEdit()->setText(m_cel->data()->userData().text());
         // Set last filled values in CelPropertiesWindow
         m_lastValues.opacity = m_cel->opacity();
         m_lastValues.zIndex = m_cel->zIndex();

src/app/commands/cmd_duplicate_layer.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2001-2018  David Capello
+// Copyright (C) 2001-2025  David Capello
 //
 // This program is distributed under the terms of
 // the End-User License Agreement for Aseprite.
@@ -51,7 +51,7 @@ void DuplicateLayerCommand::onExecute(Context* context)
     Tx tx(writer, "Layer Duplication");
     LayerImage* sourceLayer = static_cast<LayerImage*>(writer.layer());
     DocApi api = document->getApi(tx);
-    api.duplicateLayerAfter(sourceLayer, sourceLayer->parent(), sourceLayer);
+    api.duplicateLayerAfter(sourceLayer, sourceLayer->parent(), sourceLayer, " Copy");
     tx.commit();
   }
 

src/app/commands/cmd_keyboard_shortcuts.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2018-2024  Igara Studio S.A.
+// Copyright (C) 2018-2025  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -23,7 +23,7 @@
 #include "app/ui/app_menuitem.h"
 #include "app/ui/keyboard_shortcuts.h"
 #include "app/ui/search_entry.h"
-#include "app/ui/select_accelerator.h"
+#include "app/ui/select_shortcut.h"
 #include "app/ui/separator_in_view.h"
 #include "app/ui/skin/skin_theme.h"
 #include "base/fs.h"
@@ -151,7 +151,7 @@ public:
     , m_keyOrig(key ? new Key(*key) : nullptr)
     , m_menuitem(menuitem)
     , m_level(level)
-    , m_hotAccel(-1)
+    , m_hotShortcut(-1)
     , m_lockButtons(false)
     , m_headerItem(headerItem)
   {
@@ -204,45 +204,45 @@ public:
   }
 
 private:
-  void onChangeAccel(int index)
+  void onChangeShortcut(int index)
   {
     LockButtons lock(this);
-    Accelerator origAccel = m_key->accels()[index];
-    SelectAccelerator window(origAccel, m_key->keycontext(), m_keys);
+    Shortcut origShortcut = m_key->shortcuts()[index];
+    SelectShortcut window(origShortcut, m_key->keycontext(), m_keys);
     window.openWindowInForeground();
 
     if (window.isModified()) {
-      m_key->disableAccel(origAccel, KeySource::UserDefined);
-      if (!window.accel().isEmpty())
-        m_key->add(window.accel(), KeySource::UserDefined, m_keys);
+      m_key->disableShortcut(origShortcut, KeySource::UserDefined);
+      if (!window.shortcut().isEmpty())
+        m_key->add(window.shortcut(), KeySource::UserDefined, m_keys);
     }
 
     this->window()->layout();
   }
 
-  void onDeleteAccel(int index)
+  void onDeleteShortcut(int index)
   {
     LockButtons lock(this);
-    // We need to create a copy of the accelerator because
-    // Key::disableAccel() will modify the accels() collection itself.
-    ui::Accelerator accel = m_key->accels()[index];
+    // We need to create a copy of the shortcut because
+    // Key::disableShortcut() will modify the shortcuts() collection itself.
+    ui::Shortcut shortcut = m_key->shortcuts()[index];
 
-    if (ui::Alert::show(Strings::alerts_delete_shortcut(accel.toString())) != 1)
+    if (ui::Alert::show(Strings::alerts_delete_shortcut(shortcut.toString())) != 1)
       return;
 
-    m_key->disableAccel(accel, KeySource::UserDefined);
+    m_key->disableShortcut(shortcut, KeySource::UserDefined);
     window()->layout();
   }
 
-  void onAddAccel()
+  void onAddShortcut()
   {
     LockButtons lock(this);
-    ui::Accelerator accel;
-    SelectAccelerator window(accel, m_key ? m_key->keycontext() : KeyContext::Any, m_keys);
+    ui::Shortcut shortcut;
+    SelectShortcut window(shortcut, m_key ? m_key->keycontext() : KeyContext::Any, m_keys);
     window.openWindowInForeground();
 
     if ((window.isModified()) ||
-        // We can assign a "None" accelerator to mouse wheel actions
+        // We can assign a "None" shortcut to mouse wheel actions
         (m_key && m_key->type() == KeyType::WheelAction && window.isOK())) {
       if (!m_key) {
         ASSERT(m_menuitem);
@@ -256,7 +256,7 @@ private:
         m_menuKeys[m_menuitem] = m_key;
       }
 
-      m_key->add(window.accel(), KeySource::UserDefined, m_keys);
+      m_key->add(window.shortcut(), KeySource::UserDefined, m_keys);
     }
 
     this->window()->layout();
@@ -273,8 +273,8 @@ private:
       size.w = std::max(size.w, w);
     }
 
-    if (m_key && !m_key->accels().empty()) {
-      size_t combos = m_key->accels().size();
+    if (m_key && !m_key->shortcuts().empty()) {
+      size_t combos = m_key->shortcuts().size();
       if (combos > 1)
         size.h *= combos;
     }
@@ -315,7 +315,7 @@ private:
       }
     }
 
-    if (m_key && !m_key->accels().empty()) {
+    if (m_key && !m_key->shortcuts().empty()) {
       if (m_key->keycontext() != KeyContext::Any) {
         g->drawText(convertKeyContextToUserFriendlyString(m_key->keycontext()),
                     fg,
@@ -324,13 +324,14 @@ private:
       }
 
       const int dh = th + 4 * guiscale();
-      IntersectClip clip(g,
-                         gfx::Rect(keyXPos, y, contextXPos - keyXPos, dh * m_key->accels().size()));
+      IntersectClip clip(
+        g,
+        gfx::Rect(keyXPos, y, contextXPos - keyXPos, dh * m_key->shortcuts().size()));
       if (clip) {
         int i = 0;
-        for (const Accelerator& accel : m_key->accels()) {
-          if (i != m_hotAccel || !m_changeButton) {
-            g->drawText(getAccelText(accel), fg, bg, gfx::Point(keyXPos, y));
+        for (const Shortcut& shortcut : m_key->shortcuts()) {
+          if (i != m_hotShortcut || !m_changeButton) {
+            g->drawText(getShortcutText(shortcut), fg, bg, gfx::Point(keyXPos, y));
           }
           y += dh;
           ++i;
@@ -361,40 +362,41 @@ private:
         gfx::Rect bounds = this->bounds();
         MouseMessage* mouseMsg = static_cast<MouseMessage*>(msg);
 
-        const Accelerators* accels = (m_key ? &m_key->accels() : NULL);
+        const Shortcuts* shortcuts = (m_key ? &m_key->shortcuts() : NULL);
         int y = bounds.y;
         int dh = textSize().h + 4 * guiscale();
-        int maxi = (accels && accels->size() > 1 ? accels->size() : 1);
+        int maxi = (shortcuts && shortcuts->size() > 1 ? shortcuts->size() : 1);
 
-        auto theme = SkinTheme::get(this);
+        auto* theme = SkinTheme::get(this);
 
         for (int i = 0; i < maxi; ++i, y += dh) {
-          int w = font()->textLength(
-            (accels && i < (int)accels->size() ? getAccelText((*accels)[i]) : std::string()));
+          int w = font()->textLength((shortcuts && i < (int)shortcuts->size() ?
+                                        getShortcutText((*shortcuts)[i]) :
+                                        std::string()));
           gfx::Rect itemBounds(bounds.x + m_headerItem->keyXPos(), y, w, dh);
           itemBounds = itemBounds.enlarge(
             gfx::Border(4 * guiscale(), 0, 6 * guiscale(), 1 * guiscale()));
 
-          if (accels && i < (int)accels->size() && mouseMsg->position().y >= itemBounds.y &&
+          if (shortcuts && i < (int)shortcuts->size() && mouseMsg->position().y >= itemBounds.y &&
               mouseMsg->position().y < itemBounds.y + itemBounds.h) {
-            if (m_hotAccel != i) {
-              m_hotAccel = i;
+            if (m_hotShortcut != i) {
+              m_hotShortcut = i;
 
               m_changeConn = obs::connection();
               m_changeButton.reset(new Button(""));
-              m_changeConn = m_changeButton->Click.connect([this, i] { onChangeAccel(i); });
+              m_changeConn = m_changeButton->Click.connect([this, i] { onChangeShortcut(i); });
               m_changeButton->setStyle(theme->styles.miniButton());
               addChild(m_changeButton.get());
 
               m_deleteConn = obs::connection();
               m_deleteButton.reset(new Button(""));
-              m_deleteConn = m_deleteButton->Click.connect([this, i] { onDeleteAccel(i); });
+              m_deleteConn = m_deleteButton->Click.connect([this, i] { onDeleteShortcut(i); });
               m_deleteButton->setStyle(theme->styles.miniButton());
               addChild(m_deleteButton.get());
 
               m_changeButton->setBgColor(gfx::ColorNone);
               m_changeButton->setBounds(itemBounds);
-              m_changeButton->setText(getAccelText((*accels)[i]));
+              m_changeButton->setText(getShortcutText((*shortcuts)[i]));
 
               const char* label = "x";
               m_deleteButton->setBgColor(gfx::ColorNone);
@@ -411,7 +413,7 @@ private:
           if (i == 0 && !m_addButton && (!m_menuitem || m_menuitem->getCommand())) {
             m_addConn = obs::connection();
             m_addButton.reset(new Button(""));
-            m_addConn = m_addButton->Click.connect([this] { onAddAccel(); });
+            m_addConn = m_addButton->Click.connect([this] { onAddShortcut(); });
             m_addButton->setStyle(theme->styles.miniButton());
             addChild(m_addButton.get());
 
@@ -452,17 +454,15 @@ private:
         m_addButton->setVisible(false);
     }
 
-    m_hotAccel = -1;
+    m_hotShortcut = -1;
   }
 
-  std::string getAccelText(const Accelerator& accel) const
+  std::string getShortcutText(const Shortcut& shortcut) const
   {
-    if (m_key && m_key->type() == KeyType::WheelAction && accel.isEmpty()) {
+    if (m_key && m_key->type() == KeyType::WheelAction && shortcut.isEmpty()) {
       return Strings::keyboard_shortcuts_default_action();
     }
-    else {
-      return accel.toString();
-    }
+    return shortcut.toString();
   }
 
   KeyboardShortcuts& m_keys;
@@ -471,14 +471,14 @@ private:
   KeyPtr m_keyOrig;
   AppMenuItem* m_menuitem;
   int m_level;
-  ui::Accelerators m_newAccels;
+  ui::Shortcuts m_newShortcuts;
   std::shared_ptr<ui::Button> m_changeButton;
   std::shared_ptr<ui::Button> m_deleteButton;
   std::shared_ptr<ui::Button> m_addButton;
   obs::scoped_connection m_changeConn;
   obs::scoped_connection m_deleteConn;
   obs::scoped_connection m_addConn;
-  int m_hotAccel;
+  int m_hotShortcut;
   bool m_lockButtons;
   HeaderItem* m_headerItem;
 };

src/app/commands/cmd_layer_properties.cpp

@@ -135,8 +135,16 @@ public:
 
     remapWindow();
     centerWindow();
+
+    gfx::Rect originalBounds = bounds();
+
     load_window_pos(this, "LayerProperties");
 
+    // Queue a remap for after the user data view is configured
+    // if the window size has been reset and user data is visible
+    if (originalBounds == bounds() && Preferences::instance().layers.userDataVisibility())
+      m_remapAfterConfigure = true;
+
     UIContext::instance()->add_observer(this);
   }
 
@@ -159,6 +167,11 @@ public:
 
     if (countLayers() > 0) {
       m_userDataView.configureAndSet(m_layer->userData(), g_window->propertiesGrid());
+      if (m_remapAfterConfigure) {
+        remapWindow();
+        centerWindow();
+        m_remapAfterConfigure = false;
+      }
     }
 
     updateFromLayer();
@@ -454,7 +467,7 @@ private:
       color_t c = m_layer->userData().color();
       m_userDataView.color()->setColor(
         Color::fromRgb(rgba_getr(c), rgba_getg(c), rgba_getb(c), rgba_geta(c)));
-      m_userDataView.entry()->setText(m_layer->userData().text());
+      m_userDataView.textEdit()->setText(m_layer->userData().text());
     }
     else {
       name()->setText(Strings::layer_properties_no_layer());
@@ -464,7 +477,7 @@ private:
       m_userDataView.setVisible(false, false);
     }
 
-    bool uuidVisible = m_document && m_document->sprite() && m_document->sprite()->uuidsForLayers();
+    bool uuidVisible = m_document && m_document->sprite() && m_document->sprite()->useLayerUuids();
     uuidLabel()->setVisible(uuidVisible);
     uuid()->setVisible(uuidVisible);
 
@@ -484,6 +497,7 @@ private:
   view::RealRange m_range;
   bool m_selfUpdate = false;
   UserDataView m_userDataView;
+  bool m_remapAfterConfigure = false;
 };
 
 LayerPropertiesCommand::LayerPropertiesCommand()

src/app/commands/cmd_new_brush.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2019-2022  Igara Studio S.A.
+// Copyright (C) 2019-2025  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -164,10 +164,10 @@ void NewBrushCommand::createBrush(const Site& site, const Mask* mask)
   params.set("change", "custom");
   params.set("slot", base::convert_to<std::string>(slot).c_str());
   KeyPtr key = KeyboardShortcuts::instance()->command(CommandId::ChangeBrush(), params);
-  if (key && !key->accels().empty()) {
+  if (key && !key->shortcuts().empty()) {
     std::string tooltip;
     tooltip += Strings::new_brush_shortcut() + " ";
-    tooltip += key->accels().front().toString();
+    tooltip += key->shortcuts().front().toString();
     StatusBar::instance()->showTip(2000, tooltip);
   }
 }

src/app/commands/cmd_new_layer.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2019-2024  Igara Studio S.A.
+// Copyright (C) 2019-2025  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -268,11 +268,15 @@ void NewLayerCommand::onExecute(Context* context)
 
     switch (m_type) {
       case Type::Layer:
-        layer = api.newLayer(parent, name);
-        if (m_place == Place::BeforeActiveLayer)
+
+        if (m_place == Place::BeforeActiveLayer) {
+          layer = api.newLayer(parent, name);
           api.restackLayerBefore(layer, parent, activeLayer);
+        }
+        else
+          layer = api.newLayerAfter(parent, name, activeLayer);
         break;
-      case Type::Group: layer = api.newGroup(parent, name); break;
+      case Type::Group: layer = api.newGroupAfter(parent, name, activeLayer); break;
       case Type::ReferenceLayer:
         layer = api.newLayer(parent, name);
         if (layer)
@@ -296,9 +300,7 @@ void NewLayerCommand::onExecute(Context* context)
           tsi = tilesetInfo.tsi;
         }
 
-        layer = new LayerTilemap(sprite, tsi);
-        layer->setName(name);
-        api.addLayer(parent, layer, parent->lastLayer());
+        layer = api.newTilemapAfter(parent, name, tsi, activeLayer);
         break;
       }
     }
@@ -320,10 +322,6 @@ void NewLayerCommand::onExecute(Context* context)
           api.restackLayerBefore(layer, sprite->root(), first);
       }
     }
-    // Move the layer above the active one.
-    else if (activeLayer && m_place == Place::AfterActiveLayer) {
-      api.restackLayerAfter(layer, activeLayer->parent(), activeLayer);
-    }
 
     // Put all selected layers inside the group
     if (m_type == Type::Group && site.inTimeline()) {

src/app/commands/cmd_options.cpp

@@ -463,11 +463,11 @@ public:
     // Theme Custom Font
     customThemeFont()->Click.connect([this] {
       auto* theme = skin::SkinTheme::get(this);
-      onSwitchCustomFontCheckBox(customThemeFont(), themeFont(), theme->getOriginalDefaultFont());
+      onSwitchCustomFontCheckBox(customThemeFont(), themeFont(), theme->getDefaultFontInfo());
     });
     customMiniFont()->Click.connect([this] {
       auto* theme = skin::SkinTheme::get(this);
-      onSwitchCustomFontCheckBox(customMiniFont(), themeMiniFont(), theme->getOriginalMiniFont());
+      onSwitchCustomFontCheckBox(customMiniFont(), themeMiniFont(), theme->getMiniFontInfo());
     });
     themeFont()->FontChange.connect([this] { updateFontPreviews(); });
     themeMiniFont()->FontChange.connect([this] { updateFontPreviews(); });
@@ -696,7 +696,6 @@ public:
 
     onChangeBgScope();
     onChangeGridScope();
-    sectionListbox()->selectIndex(m_curSection);
 
     // Aseprite format preferences
     celFormat()->setSelectedItemIndex(int(m_pref.asepriteFormat.celFormat()));
@@ -1046,6 +1045,13 @@ public:
     return true;
   }
 
+protected:
+  void onOpen(Event& evt) override
+  {
+    sectionListbox()->selectIndex(m_curSection);
+    app::gen::Options::onOpen(evt);
+  }
+
 private:
   void onInitTheme(InitThemeEvent& ev) override
   {
@@ -1109,14 +1115,10 @@ private:
     themeMiniFont()->setInfo(miniInfo, FontEntry::From::Init);
   }
 
-  void onSwitchCustomFontCheckBox(CheckBox* fontCheckBox,
-                                  FontEntry* fontEntry,
-                                  const text::FontRef& themeFont)
+  void onSwitchCustomFontCheckBox(CheckBox* fontCheckBox, FontEntry* fontEntry, const FontInfo& fi)
   {
     const bool state = fontCheckBox->isSelected();
     fontEntry->setEnabled(state);
-
-    FontInfo fi = Fonts::instance()->infoFromFont(themeFont);
     fontEntry->setInfo(fi, FontEntry::From::Init);
   }
 
@@ -1370,8 +1372,8 @@ private:
     if (!item)
       return;
     const std::string lang = item->langId();
-    const bool state = (lang == "ar" || lang == "ja" || lang == "ko" || lang == "yue_Hant" ||
-                        lang == "zh_Hans" || lang == "zh_Hant");
+    const bool state = (lang == "ar" || lang == "ja" || lang == "ko" || lang == "th" ||
+                        lang == "yue_Hant" || lang == "zh_Hans" || lang == "zh_Hant");
     fontWarningFiller()->setVisible(state);
     fontWarning()->setVisible(state);
     layout();

src/app/commands/cmd_paste_text.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2019-2024  Igara Studio S.A.
+// Copyright (C) 2019-2025  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -10,6 +10,7 @@
 #endif
 
 #include "app/app.h"
+#include "app/color_utils.h"
 #include "app/commands/command.h"
 #include "app/console.h"
 #include "app/context.h"
@@ -88,10 +89,10 @@ void PasteTextCommand::onExecute(Context* ctx)
     std::string text = window.userText()->text();
     app::Color color = window.fontColor()->getColor();
 
-    doc::ImageRef image = render_text(
-      fontInfo,
-      text,
-      gfx::rgba(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha()));
+    ui::Paint paint = window.fontFace()->paint();
+    paint.color(color_utils::color_for_ui(color));
+
+    doc::ImageRef image = render_text(fontInfo, text, paint);
     if (image) {
       Sprite* sprite = editor->sprite();
       if (image->pixelFormat() != sprite->pixelFormat()) {

src/app/commands/cmd_sprite_properties.cpp

@@ -142,7 +142,7 @@ public:
   {
     userData()->Click.connect([this] { onToggleUserData(); });
 
-    useUuidForLayers()->setSelected(sprite->uuidsForLayers());
+    useUuidForLayers()->setSelected(sprite->useLayerUuids());
 
     m_userDataView.configureAndSet(m_sprite->userData(), propertiesGrid());
 
@@ -399,7 +399,7 @@ void SpritePropertiesCommand::onExecute(Context* context)
 
     const UserData newUserData = window.getUserData();
 
-    sprite->setUuidsForLayers(window.useUuidForLayers()->isSelected());
+    sprite->useLayerUuids(window.useUuidForLayers()->isSelected());
 
     if (index != sprite->transparentColor() || pixelRatio != sprite->pixelRatio() ||
         newUserData != sprite->userData()) {

src/app/commands/cmd_undo_history.cpp

@@ -21,6 +21,7 @@
 #include "app/doc_undo.h"
 #include "app/doc_undo_observer.h"
 #include "app/docs_observer.h"
+#include "app/i18n/strings.h"
 #include "app/modules/gui.h"
 #include "app/modules/palettes.h"
 #include "app/site.h"
@@ -292,7 +293,7 @@ public:
                    base::get_pretty_memory_size(static_cast<Cmd*>(state->cmd())->memSize())
 #endif
                  :
-                 std::string("Initial State"));
+                 Strings::undo_history_initial_state());
 
       if ((g->getClipBounds() & itemBounds).isEmpty())
         return;

src/app/commands/filters/cmd_replace_color.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2019-2022  Igara Studio S.A.
+// Copyright (C) 2019-2025  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -128,7 +128,7 @@ private:
       case ui::kKeyDownMessage: {
         KeyboardShortcuts* keys = KeyboardShortcuts::instance();
         const KeyPtr key = keys->command(CommandId::SwitchColors());
-        if (key && key->isPressed(msg, *keys)) {
+        if (key && key->isPressed(msg)) {
           // Switch colors
           app::Color from = m_fromButton->getColor();
           app::Color to = m_toButton->getColor();

src/app/console.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2018-2024  Igara Studio S.A.
+// Copyright (C) 2018-2025  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -48,9 +48,12 @@ public:
 
     // When the main window is closed, we should close the console (in
     // other case the main message loop will continue running for the
-    // console too).
-    m_mainWindowClosedConn = App::instance()->mainWindow()->Close.connect(
-      [this] { closeWindow(nullptr); });
+    // console too). The main window can be nullptr if the console is
+    // used to show an error when loading the default theme or font at
+    // the initialization.
+    if (auto* mainWin = App::instance()->mainWindow()) {
+      m_mainWindowClosedConn = mainWin->Close.connect([this] { closeWindow(nullptr); });
+    }
 
     // When the window is closed, we clear the text
     Close.connect([this] {

src/app/crash/data_recovery.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2019-2023  Igara Studio S.A.
+// Copyright (C) 2019-2025  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -139,6 +139,13 @@ DataRecovery::Sessions DataRecovery::sessions()
   return copy;
 }
 
+bool DataRecovery::isRunningSession(const SessionPtr& session) const
+{
+  ASSERT(session);
+  ASSERT(m_inProgress);
+  return session->path() == m_inProgress->path();
+}
+
 void DataRecovery::searchForSessions()
 {
   Sessions sessions;
@@ -150,7 +157,7 @@ void DataRecovery::searchForSessions()
     RECO_TRACE("RECO: Session '%s' ", itempath.c_str());
 
     SessionPtr session(new Session(&m_config, itempath));
-    if (!session->isRunning()) {
+    if (!isRunningSession(session)) {
       if ((session->isEmpty()) || (!session->isCrashedSession() && session->isOldSession())) {
         RECO_TRACE("to be deleted (%s)\n",
                    session->isEmpty() ? "is empty" :

src/app/crash/data_recovery.h

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2019-2021  Igara Studio S.A.
+// Copyright (C) 2019-2025  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -45,6 +45,8 @@ public:
   // Returns a copy of the list of sessions that can be recovered.
   Sessions sessions();
 
+  bool isRunningSession(const SessionPtr& session) const;
+
   // Triggered in the UI-thread from the m_thread using an
   // ui::execute_from_ui_thread() when the list of sessions is ready
   // to be used.

src/app/crash/session.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2019-2024  Igara Studio S.A.
+// Copyright (C) 2019-2025  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -19,12 +19,10 @@
 #include "app/crash/write_document.h"
 #include "app/doc.h"
 #include "app/doc_access.h"
-#include "app/file/file.h"
 #include "app/ui_context.h"
 #include "base/convert_to.h"
 #include "base/fs.h"
 #include "base/fstream_path.h"
-#include "base/process.h"
 #include "base/split_string.h"
 #include "base/string.h"
 #include "base/thread.h"
@@ -128,12 +126,6 @@ const Session::Backups& Session::backups()
   return m_backups;
 }
 
-bool Session::isRunning()
-{
-  loadPid();
-  return base::get_process_name(m_pid) == base::get_process_name(base::get_current_process_id());
-}
-
 bool Session::isCrashedSession()
 {
   loadPid();

src/app/crash/session.h

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2019-2022  Igara Studio S.A.
+// Copyright (C) 2019-2025  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -47,9 +47,9 @@ public:
 
   std::string name() const;
   std::string version();
+  std::string& path() { return m_path; }
   const Backups& backups();
 
-  bool isRunning();
   bool isCrashedSession();
   bool isOldSession();
   bool isEmpty();

src/app/doc_api.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2019-2024  Igara Studio S.A.
+// Copyright (C) 2019-2025  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -14,6 +14,7 @@
 #include "app/cmd/add_cel.h"
 #include "app/cmd/add_frame.h"
 #include "app/cmd/add_layer.h"
+#include "app/cmd/add_tileset.h"
 #include "app/cmd/clear_cel.h"
 #include "app/cmd/clear_image.h"
 #include "app/cmd/copy_cel.h"
@@ -52,6 +53,7 @@
 #include "doc/algorithm/flip_image.h"
 #include "doc/algorithm/shrink_bounds.h"
 #include "doc/cel.h"
+#include "doc/layer_tilemap.h"
 #include "doc/mask.h"
 #include "doc/palette.h"
 #include "doc/slice.h"
@@ -605,6 +607,18 @@ LayerImage* DocApi::newLayer(LayerGroup* parent, const std::string& name)
   return newLayer;
 }
 
+LayerImage* DocApi::newLayerAfter(LayerGroup* parent, const std::string& name, Layer* afterThis)
+{
+  LayerImage* newLayer = new LayerImage(parent->sprite());
+  newLayer->setName(name);
+
+  if (!afterThis)
+    afterThis = parent->lastLayer();
+
+  addLayer(parent, newLayer, afterThis);
+  return newLayer;
+}
+
 LayerGroup* DocApi::newGroup(LayerGroup* parent, const std::string& name)
 {
   LayerGroup* newLayerGroup = new LayerGroup(parent->sprite());
@@ -614,6 +628,33 @@ LayerGroup* DocApi::newGroup(LayerGroup* parent, const std::string& name)
   return newLayerGroup;
 }
 
+LayerGroup* DocApi::newGroupAfter(LayerGroup* parent, const std::string& name, Layer* afterThis)
+{
+  LayerGroup* newLayerGroup = new LayerGroup(parent->sprite());
+  newLayerGroup->setName(name);
+
+  if (!afterThis)
+    afterThis = parent->lastLayer();
+
+  addLayer(parent, newLayerGroup, afterThis);
+  return newLayerGroup;
+}
+
+LayerTilemap* DocApi::newTilemapAfter(LayerGroup* parent,
+                                      const std::string& name,
+                                      tileset_index tsi,
+                                      Layer* afterThis)
+{
+  LayerTilemap* newTilemap = new LayerTilemap(parent->sprite(), tsi);
+  newTilemap->setName(name);
+
+  if (!afterThis)
+    afterThis = parent->lastLayer();
+
+  addLayer(parent, newTilemap, afterThis);
+  return newTilemap;
+}
+
 void DocApi::addLayer(LayerGroup* parent, Layer* newLayer, Layer* afterThis)
 {
   m_transaction.execute(new cmd::AddLayer(parent, newLayer, afterThis));
@@ -652,23 +693,61 @@ void DocApi::restackLayerBefore(Layer* layer, LayerGroup* parent, Layer* beforeT
   restackLayerAfter(layer, parent, afterThis);
 }
 
-Layer* DocApi::duplicateLayerAfter(Layer* sourceLayer, LayerGroup* parent, Layer* afterLayer)
+Layer* DocApi::copyLayerWithSprite(doc::Layer* layer, doc::Sprite* sprite)
+{
+  std::unique_ptr<doc::Layer> clone;
+  if (layer->isTilemap()) {
+    auto* srcTilemap = static_cast<LayerTilemap*>(layer);
+    tileset_index tilesetIndex = srcTilemap->tilesetIndex();
+    // If the caller is trying to make a copy of a tilemap layer specifying a
+    // different sprite as its owner, then we must copy the tilesets of the
+    // given tilemap layer into the new owner.
+    if (sprite != srcTilemap->sprite()) {
+      auto* srcTilesetCopy = Tileset::MakeCopyCopyingImagesForSprite(srcTilemap->tileset(), sprite);
+      auto* addTileset = new cmd::AddTileset(sprite, srcTilesetCopy);
+      m_transaction.execute(addTileset);
+      tilesetIndex = addTileset->tilesetIndex();
+    }
+
+    clone = std::make_unique<LayerTilemap>(sprite, tilesetIndex);
+  }
+  else if (layer->isImage())
+    clone = std::make_unique<LayerImage>(sprite);
+  else if (layer->isGroup())
+    clone = std::make_unique<LayerGroup>(sprite);
+  else
+    throw std::runtime_error("Invalid layer type");
+
+  if (auto* doc = dynamic_cast<app::Doc*>(sprite->document())) {
+    doc->copyLayerContent(layer, doc, clone.get());
+  }
+
+  return clone.release();
+}
+
+Layer* DocApi::duplicateLayerAfter(Layer* sourceLayer,
+                                   LayerGroup* parent,
+                                   Layer* afterLayer,
+                                   const std::string& nameSuffix)
 {
   ASSERT(parent);
-  Layer* newLayerPtr = copy_layer(sourceLayer);
+  Layer* newLayerPtr = copyLayerWithSprite(sourceLayer, parent->sprite());
 
-  newLayerPtr->setName(newLayerPtr->name() + " Copy");
+  newLayerPtr->setName(newLayerPtr->name() + nameSuffix);
 
   addLayer(parent, newLayerPtr, afterLayer);
 
   return newLayerPtr;
 }
 
-Layer* DocApi::duplicateLayerBefore(Layer* sourceLayer, LayerGroup* parent, Layer* beforeLayer)
+Layer* DocApi::duplicateLayerBefore(Layer* sourceLayer,
+                                    LayerGroup* parent,
+                                    Layer* beforeLayer,
+                                    const std::string& nameSuffix)
 {
   ASSERT(parent);
   Layer* afterThis = (beforeLayer ? beforeLayer->getPreviousBrowsable() : nullptr);
-  Layer* newLayer = duplicateLayerAfter(sourceLayer, parent, afterThis);
+  Layer* newLayer = duplicateLayerAfter(sourceLayer, parent, afterThis, nameSuffix);
   if (newLayer)
     restackLayerBefore(newLayer, parent, beforeLayer);
   return newLayer;

src/app/doc_api.h

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2019-2024  Igara Studio S.A.
+// Copyright (C) 2019-2025  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -9,12 +9,14 @@
 #define APP_DOC_API_H_INCLUDED
 #pragma once
 
+#include "app/doc_api_dnd_helper.h"
 #include "app/drop_frame_place.h"
 #include "app/tags_handling.h"
 #include "doc/algorithm/flip_type.h"
 #include "doc/color.h"
 #include "doc/frame.h"
 #include "doc/image_ref.h"
+#include "doc/tile.h"
 #include "gfx/rect.h"
 
 #include <map>
@@ -26,6 +28,7 @@ class Image;
 class Layer;
 class LayerGroup;
 class LayerImage;
+class LayerTilemap;
 class Mask;
 class Palette;
 class Sprite;
@@ -36,6 +39,7 @@ class Doc;
 class Transaction;
 
 using namespace doc;
+using namespace docapi;
 
 // High-level API to modify a document adding undo information, i.e.
 // adding new "Cmd"s in the given transaction.
@@ -104,13 +108,25 @@ public:
 
   // Layers API
   LayerImage* newLayer(LayerGroup* parent, const std::string& name);
+  LayerImage* newLayerAfter(LayerGroup* parent, const std::string& name, Layer* afterThis);
   LayerGroup* newGroup(LayerGroup* parent, const std::string& name);
+  LayerGroup* newGroupAfter(LayerGroup* parent, const std::string& name, Layer* afterThis);
+  LayerTilemap* newTilemapAfter(LayerGroup* parent,
+                                const std::string& name,
+                                tileset_index tsi,
+                                Layer* afterThis);
   void addLayer(LayerGroup* parent, Layer* newLayer, Layer* afterThis);
   void removeLayer(Layer* layer);
   void restackLayerAfter(Layer* layer, LayerGroup* parent, Layer* afterThis);
   void restackLayerBefore(Layer* layer, LayerGroup* parent, Layer* beforeThis);
-  Layer* duplicateLayerAfter(Layer* sourceLayer, LayerGroup* parent, Layer* afterLayer);
-  Layer* duplicateLayerBefore(Layer* sourceLayer, LayerGroup* parent, Layer* beforeLayer);
+  Layer* duplicateLayerAfter(Layer* sourceLayer,
+                             LayerGroup* parent,
+                             Layer* afterLayer,
+                             const std::string& nameSuffix = std::string());
+  Layer* duplicateLayerBefore(Layer* sourceLayer,
+                              LayerGroup* parent,
+                              Layer* beforeLayer,
+                              const std::string& nameSuffix = std::string());
 
   // Images API
   void replaceImage(Sprite* sprite, const ImageRef& oldImage, const ImageRef& newImage);
@@ -126,6 +142,14 @@ public:
   // Palette API
   void setPalette(Sprite* sprite, frame_t frame, const Palette* newPalette);
 
+  // Drag and Drop helper API
+  void dropDocumentsOnTimeline(app::Doc* doc,
+                               doc::frame_t frame,
+                               doc::layer_t layerIndex,
+                               InsertionPoint insert,
+                               DroppedOn droppedOn,
+                               DocProvider& provider);
+
 private:
   void cropImageLayer(LayerImage* layer, const gfx::Rect& bounds, const bool trimOutside);
   bool cropCel(LayerImage* layer, Cel* cel, const gfx::Rect& bounds, const bool trimOutside);
@@ -137,6 +161,8 @@ private:
                   const DropFramePlace dropFramePlace,
                   const TagsHandling tagsHandling);
 
+  Layer* copyLayerWithSprite(doc::Layer* layer, doc::Sprite* sprite);
+
   class HandleLinkedCels {
   public:
     HandleLinkedCels(DocApi& api,

src/app/doc_api_dnd_helper.cpp

@@ -0,0 +1,142 @@
+// Aseprite
+// Copyright (C) 2025  Igara Studio S.A.
+//
+// This program is distributed under the terms of
+// the End-User License Agreement for Aseprite.
+
+#ifdef HAVE_CONFIG_H
+  #include "config.h"
+#endif
+
+#include "app/doc_api.h"
+
+#include "app/cmd/copy_cel.h"
+#include "app/cmd/set_pixel_format.h"
+#include "app/cmd/set_total_frames.h"
+#include "app/file/file.h"
+#include "app/transaction.h"
+#include "doc/layer.h"
+#include "render/dithering.h"
+
+namespace {
+
+using namespace app;
+
+// Returns true if the document srcDoc has a cel that can be copied into a
+// destDoc's cel.
+// The cel from srcDoc can be copied only when all of the following conditions
+// are met:
+// * Drop took place in a cel.
+// * Source doc has only one layer with just one frame.
+// * The layer from the source doc and the destination cel's layer are both
+// Image layers.
+// Otherwise this function returns false.
+bool can_copy_cel(Doc* srcDoc, Doc* destDoc, DroppedOn droppedOn, doc::layer_t layerIndex)
+{
+  auto* srcLayer = srcDoc->sprite()->firstLayer();
+  auto* destLayer = destDoc->sprite()->allLayers()[layerIndex];
+  return droppedOn == DroppedOn::Cel && srcDoc->sprite()->allLayersCount() == 1 &&
+         srcDoc->sprite()->totalFrames() == 1 && srcLayer->isImage() && destLayer->isImage();
+}
+
+void setup_insertion_layer(Doc* destDoc,
+                           doc::layer_t layerIndex,
+                           InsertionPoint& insert,
+                           Layer*& layer,
+                           LayerGroup*& group)
+{
+  const LayerList& allLayers = destDoc->sprite()->allLayers();
+  layer = allLayers[layerIndex];
+  if (insert == InsertionPoint::BeforeLayer && layer->isGroup()) {
+    group = static_cast<LayerGroup*>(layer);
+    // The user is trying to drop layers into an empty group, so there is no after
+    // nor before layer...
+    if (group->layersCount() == 0) {
+      layer = nullptr;
+      return;
+    }
+    layer = group->lastLayer();
+    insert = InsertionPoint::AfterLayer;
+  }
+
+  group = layer->parent();
+}
+
+} // namespace
+
+namespace app {
+
+using namespace docapi;
+
+void DocApi::dropDocumentsOnTimeline(app::Doc* destDoc,
+                                     doc::frame_t frame,
+                                     doc::layer_t layerIndex,
+                                     InsertionPoint insert,
+                                     DroppedOn droppedOn,
+                                     DocProvider& docProvider)
+{
+  // Layer used as a reference to determine if the dropped layers will be
+  // inserted after or before it.
+  Layer* refLayer = nullptr;
+  // Parent group of the reference layer layer.
+  LayerGroup* group = nullptr;
+  // Keep track of the current insertion point.
+  setup_insertion_layer(destDoc, layerIndex, insert, refLayer, group);
+
+  int docsProcessed = 0;
+  while (docProvider.pendingDocs() > 0) {
+    std::unique_ptr<Doc> srcDoc = docProvider.nextDoc();
+    docsProcessed++;
+
+    // If the provider returned a null document then there was some problem with
+    // that specific doc but it can continue providing more documents
+    if (!srcDoc)
+      continue;
+
+    // If source document doesn't match the destination document's color
+    // mode, change it.
+    if (srcDoc->colorMode() != destDoc->colorMode()) {
+      // We can change the source doc pixel format out of any transaction because
+      // we don't need undo/redo it.
+      cmd::SetPixelFormat cmd(srcDoc->sprite(),
+                              destDoc->sprite()->pixelFormat(),
+                              render::Dithering(),
+                              Preferences::instance().quantization.rgbmapAlgorithm(),
+                              nullptr,
+                              nullptr,
+                              FitCriteria::DEFAULT);
+      cmd.execute(destDoc->context());
+    }
+
+    // If there is only one source document to process and it has a single cel
+    // that can be copied, then copy the cel from the source doc into the
+    // destination doc's selected frame.
+    const bool isJustOneDoc = (docsProcessed == 1 && docProvider.pendingDocs() == 0);
+    if (isJustOneDoc && can_copy_cel(srcDoc.get(), destDoc, droppedOn, layerIndex)) {
+      auto* srcLayer = static_cast<LayerImage*>(srcDoc->sprite()->firstLayer());
+      auto* destLayer = static_cast<LayerImage*>(destDoc->sprite()->allLayers()[layerIndex]);
+      m_transaction.execute(new cmd::CopyCel(srcLayer, 0, destLayer, frame, false));
+      break;
+    }
+
+    // If there is no room for the source frames, add frames to the
+    // destination sprite.
+    if (frame + srcDoc->sprite()->totalFrames() > destDoc->sprite()->totalFrames()) {
+      m_transaction.execute(
+        new cmd::SetTotalFrames(destDoc->sprite(), frame + srcDoc->sprite()->totalFrames()));
+    }
+
+    for (auto* srcLayer : srcDoc->sprite()->root()->layers()) {
+      srcLayer->displaceFrames(0, frame);
+      if (insert == InsertionPoint::AfterLayer) {
+        refLayer = duplicateLayerAfter(srcLayer, group, refLayer);
+      }
+      else {
+        refLayer = duplicateLayerBefore(srcLayer, group, refLayer);
+        insert = InsertionPoint::AfterLayer;
+      }
+    }
+  }
+}
+
+} // namespace app

src/app/doc_api_dnd_helper.h

@@ -0,0 +1,41 @@
+// Aseprite
+// Copyright (C) 2025  Igara Studio S.A.
+//
+// This program is distributed under the terms of
+// the End-User License Agreement for Aseprite.
+
+#ifndef APP_DOC_API_DND_HELPER_H_INCLUDED
+#define APP_DOC_API_DND_HELPER_H_INCLUDED
+#pragma once
+
+#include "app/doc.h"
+
+namespace app { namespace docapi {
+
+enum class InsertionPoint {
+  BeforeLayer,
+  AfterLayer,
+};
+
+enum class DroppedOn {
+  Unspecified,
+  Frame,
+  Layer,
+  Cel,
+};
+
+// Used by the drag & drop helper API as a provider of the documents that
+// were dragged and then dropped in some Drag&Drop aware widget.
+class DocProvider {
+public:
+  virtual ~DocProvider() = default;
+  // Returns the next document from the underlying provider's implementation,
+  // returns null if there is no more documents to provide.
+  virtual std::unique_ptr<Doc> nextDoc() = 0;
+  // Returns the number of docs that were not provided yet.
+  virtual int pendingDocs() = 0;
+};
+
+}} // namespace app::docapi
+
+#endif

src/app/doc_exporter.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2018-2024  Igara Studio S.A.
+// Copyright (C) 2018-2025  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -43,6 +43,7 @@
 #include "gfx/size.h"
 #include "render/dithering.h"
 #include "render/ordered_dither.h"
+#include "render/quantization.h"
 #include "render/render.h"
 #include "ver/info.h"
 
@@ -69,6 +70,104 @@ std::string escape_for_json(const std::string& path)
   return res;
 }
 
+// Forward declaration
+void serialize_properties(const doc::UserData::Properties& props, std::ostream& os);
+
+// Helper for a single value
+void serialize_variant(const doc::UserData::Variant& value, std::ostream& os)
+{
+  using Properties = doc::UserData::Properties;
+  switch (value.index()) {
+    case USER_DATA_PROPERTY_TYPE_BOOL: os << (get_value<bool>(value) ? "true" : "false"); break;
+    case USER_DATA_PROPERTY_TYPE_INT8: os << static_cast<int64_t>(get_value<int8_t>(value)); break;
+    case USER_DATA_PROPERTY_TYPE_UINT8:
+      os << static_cast<int64_t>(get_value<uint8_t>(value));
+      break;
+    case USER_DATA_PROPERTY_TYPE_INT16:
+      os << static_cast<int64_t>(get_value<int16_t>(value));
+      break;
+    case USER_DATA_PROPERTY_TYPE_UINT16:
+      os << static_cast<int64_t>(get_value<uint16_t>(value));
+      break;
+    case USER_DATA_PROPERTY_TYPE_INT32:
+      os << static_cast<int64_t>(get_value<int32_t>(value));
+      break;
+    case USER_DATA_PROPERTY_TYPE_UINT32:
+      os << static_cast<int64_t>(get_value<uint32_t>(value));
+      break;
+    case USER_DATA_PROPERTY_TYPE_INT64:
+      os << static_cast<int64_t>(get_value<int64_t>(value));
+      break;
+    case USER_DATA_PROPERTY_TYPE_UINT64:
+      os << static_cast<int64_t>(get_value<uint64_t>(value));
+      break;
+    case USER_DATA_PROPERTY_TYPE_FLOAT:  os << get_value<float>(value); break;
+    case USER_DATA_PROPERTY_TYPE_DOUBLE: os << get_value<double>(value); break;
+    case USER_DATA_PROPERTY_TYPE_STRING:
+      os << "\"" << escape_for_json(get_value<std::string>(value)) << "\"";
+      break;
+    case USER_DATA_PROPERTY_TYPE_PROPERTIES:
+      serialize_properties(get_value<Properties>(value), os);
+      break;
+    default: os << "\"[unsupported type]\""; break;
+  }
+}
+
+// Serializes a map of properties
+void serialize_properties(const doc::UserData::Properties& props, std::ostream& os)
+{
+  os << "{";
+  bool first = true;
+  for (const auto& [key, value] : props) {
+    if (!first)
+      os << ", ";
+    first = false;
+    os << "\"" << escape_for_json(key) << "\": ";
+    serialize_variant(value, os);
+  }
+  os << "}";
+}
+
+void serialize_userdata_properties(const doc::UserData& data, std::ostream& os)
+{
+  const auto& propsMaps = data.propertiesMaps();
+  bool hasAnyProps = false;
+  for (const auto& [group, props] : propsMaps) {
+    if (!props.empty()) {
+      hasAnyProps = true;
+      break;
+    }
+  }
+  if (hasAnyProps) {
+    os << ", \"properties\": {";
+    bool firstProp = true;
+    for (const auto& [group, props] : propsMaps) {
+      if (!props.empty()) {
+        if (!firstProp)
+          os << ", ";
+        firstProp = false;
+        if (group.empty()) {
+          // Default group: flatten its keys at the top level
+          bool firstKey = true;
+          for (const auto& [key, value] : props) {
+            if (!firstKey)
+              os << ", ";
+            firstKey = false;
+            os << "\"" << escape_for_json(key) << "\": ";
+            serialize_variant(value, os);
+          }
+        }
+        else {
+          // Named group: nest under its group name
+          os << "\"" << escape_for_json(group) << "\": ";
+          serialize_properties(props, os);
+        }
+      }
+    }
+    os << "}";
+  }
+}
+
 std::ostream& operator<<(std::ostream& os, const doc::UserData& data)
 {
   doc::color_t color = data.color();
@@ -80,6 +179,9 @@ std::ostream& operator<<(std::ostream& os, const doc::UserData& data)
   }
   if (!data.text().empty())
     os << ", \"data\": \"" << escape_for_json(data.text()) << "\"";
+
+  serialize_userdata_properties(data, os);
+
   return os;
 }
 
@@ -300,6 +402,35 @@ public:
     }
   }
 
+  void setPixelFormat(const doc::PixelFormat newPixelFormat)
+  {
+    if (!m_image || m_image->pixelFormat() == newPixelFormat)
+      return;
+
+    ImageSpec spec(ColorMode(newPixelFormat),
+                   m_image->width(),
+                   m_image->height(),
+                   m_image->maskColor());
+    ImageRef convertedImg(Image::create(spec));
+    if (!convertedImg)
+      return;
+
+    clear_image(convertedImg.get(), 0);
+    render::Dithering dithering;
+    Sprite* sprite = this->sprite();
+    render::convert_pixel_format(m_image.get(),
+                                 convertedImg.get(),
+                                 newPixelFormat,
+                                 dithering,
+                                 sprite ? sprite->rgbMap(0) : nullptr,
+                                 sprite ? sprite->palette(0) : nullptr,
+                                 (sprite && sprite->backgroundLayer()),
+                                 0,
+                                 0,
+                                 nullptr);
+    m_image = convertedImg;
+  }
+
 private:
   Doc* m_document;
   Sprite* m_sprite;
@@ -679,6 +810,9 @@ Doc* DocExporter::exportSheet(Context* ctx, base::task_token& token)
   Sprite* texture = textureDocument->sprite();
   Image* textureImage = texture->root()->firstLayer()->cel(frame_t(0))->image();
 
+  for (auto& sample : samples)
+    sample.setPixelFormat(texture->pixelFormat());
+
   renderTexture(ctx, samples, textureImage, token);
   if (token.canceled())
     return nullptr;
@@ -1245,22 +1379,6 @@ void DocExporter::renderTexture(Context* ctx,
       ++i;
       continue;
     }
-
-    // Make the sprite compatible with the texture so the render()
-    // works correctly.
-    if (sample.sprite()->pixelFormat() != textureImage->pixelFormat()) {
-      RgbMapAlgorithm rgbmapAlgo = Preferences::instance().quantization.rgbmapAlgorithm();
-      FitCriteria fc = Preferences::instance().quantization.fitCriteria();
-      cmd::SetPixelFormat(sample.sprite(),
-                          textureImage->pixelFormat(),
-                          render::Dithering(),
-                          rgbmapAlgo,
-                          nullptr, // toGray is not needed because the texture is Indexed or RGB
-                          nullptr, // TODO add a delegate to show progress
-                          fc)
-        .execute(ctx);
-    }
-
     sample.renderSample(textureImage,
                         sample.inTextureBounds().x + m_innerPadding,
                         sample.inTextureBounds().y + m_innerPadding,

src/app/doc_range_ops.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2019-2020  Igara Studio S.A.
+// Copyright (C) 2019-2025  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -405,7 +405,8 @@ static DocRange drop_range_op(Doc* doc,
             if (place == kDocRangeBefore) {
               Layer* beforeThis = (!dstLayers.empty() ? dstLayers.front() : nullptr);
               for (Layer* srcLayer : srcLayers) {
-                Layer* copiedLayer = api.duplicateLayerBefore(srcLayer, parent, beforeThis);
+                Layer* copiedLayer =
+                  api.duplicateLayerBefore(srcLayer, parent, beforeThis, " Copy");
 
                 resultRange.startRange(copiedLayer, -1, DocRange::kLayers);
                 resultRange.endRange(copiedLayer, -1);
@@ -416,7 +417,7 @@ static DocRange drop_range_op(Doc* doc,
 
               Layer* afterThis = (!dstLayers.empty() ? dstLayers.back() : nullptr);
               for (Layer* srcLayer : srcLayers) {
-                Layer* copiedLayer = api.duplicateLayerAfter(srcLayer, parent, afterThis);
+                Layer* copiedLayer = api.duplicateLayerAfter(srcLayer, parent, afterThis, " Copy");
 
                 resultRange.startRange(copiedLayer, -1, DocRange::kLayers);
                 resultRange.endRange(copiedLayer, -1);

src/app/file/ase_format.cpp

@@ -544,7 +544,7 @@ static void ase_file_prepare_header(FILE* f,
                                                               0);
   header->flags = (ASE_FILE_FLAG_LAYER_WITH_OPACITY |
                    (composeGroups ? ASE_FILE_FLAG_COMPOSITE_GROUPS : 0) |
-                   (sprite->uuidsForLayers() ? ASE_FILE_FLAG_LAYER_WITH_UUID : 0));
+                   (sprite->useLayerUuids() ? ASE_FILE_FLAG_LAYER_WITH_UUID : 0));
   header->speed = sprite->frameDuration(firstFrame);
   header->next = 0;
   header->frit = 0;

src/app/file/gif_format.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2018-2023  Igara Studio S.A.
+// Copyright (C) 2018-2025  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -1401,7 +1401,7 @@ private:
           color_t color = *srcIt;
           int i;
 
-          if (rgba_geta(color) >= 128) {
+          if (rgba_geta(color) > 0) {
             i = framePalette.findExactMatch(rgba_getr(color),
                                             rgba_getg(color),
                                             rgba_getb(color),

src/app/file/svg_format.cpp

@@ -75,20 +75,86 @@ bool SvgFormat::onSave(FileOp* fop)
   const int pixelScaleValue = std::clamp(svg_options->pixelScale, 0, 10000);
   FileHandle handle(open_file_with_exception_sync_on_close(fop->filename(), "wb"));
   FILE* f = handle.get();
-  auto printcol = [f](int x, int y, int r, int g, int b, int a, int pxScale) {
-    fprintf(f,
-            "<rect x=\"%d\" y=\"%d\" width=\"%d\" height=\"%d\" fill=\"#%02X%02X%02X\" ",
-            x * pxScale,
-            y * pxScale,
-            pxScale,
-            pxScale,
-            r,
-            g,
-            b);
-    if (a != 255)
-      fprintf(f, "opacity=\"%f\" ", (float)a / 255.0);
-    fprintf(f, "/>\n");
+
+  auto printRect =
+    [f](int x, int y, int width, int height, int r, int g, int b, int a, int pxScale) {
+      fprintf(f,
+              "<rect x=\"%d\" y=\"%d\" width=\"%d\" height=\"%d\" fill=\"#%02X%02X%02X\" ",
+              x * pxScale,
+              y * pxScale,
+              width * pxScale,
+              height * pxScale,
+              r,
+              g,
+              b);
+      if (a != 255)
+        fprintf(f, "opacity=\"%f\" ", (float)a / 255.0);
+      fprintf(f, "/>\n");
+    };
+
+  // Helper function for greedy merge of same-colored pixels
+  auto mergePixels = [&](auto getPixelColor) {
+    std::vector<std::vector<bool>> processed(image->height(),
+                                             std::vector<bool>(image->width(), false));
+
+    for (y = 0; y < image->height(); y++) {
+      for (x = 0; x < image->width(); x++) {
+        if (processed[y][x])
+          continue;
+
+        auto [pixelR, pixelG, pixelB, pixelA, shouldSkip] = getPixelColor(x, y);
+        if (shouldSkip) {
+          processed[y][x] = true;
+          continue;
+        }
+
+        // Find the largest rectangle starting from this pixel
+        int maxWidth = 0;
+        int maxHeight = 0;
+
+        // Find maximum width for current row
+        for (int w = x; w < image->width(); w++) {
+          if (processed[y][w])
+            break;
+          auto [checkR, checkG, checkB, checkA, skip] = getPixelColor(w, y);
+          if (skip || checkR != pixelR || checkG != pixelG || checkB != pixelB || checkA != pixelA)
+            break;
+          maxWidth = w - x + 1;
+        }
+
+        // Find maximum height with current width
+        for (int h = y; h < image->height(); h++) {
+          bool canExtend = true;
+          for (int w = x; w < x + maxWidth; w++) {
+            if (processed[h][w]) {
+              canExtend = false;
+              break;
+            }
+            auto [checkR, checkG, checkB, checkA, skip] = getPixelColor(w, h);
+            if (skip || checkR != pixelR || checkG != pixelG || checkB != pixelB ||
+                checkA != pixelA) {
+              canExtend = false;
+              break;
+            }
+          }
+          if (!canExtend)
+            break;
+          maxHeight = h - y + 1;
+        }
+
+        // Mark rectangle as processed and output it
+        for (int h = y; h < y + maxHeight; h++) {
+          for (int w = x; w < x + maxWidth; w++) {
+            processed[h][w] = true;
+          }
+        }
+
+        printRect(x, y, maxWidth, maxHeight, pixelR, pixelG, pixelB, pixelA, pixelScaleValue);
+      }
+      fop->setProgress((float)y / (float)(image->height()));
+    }
   };
+
   fprintf(f, "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n");
   fprintf(
     f,
@@ -98,59 +164,55 @@ bool SvgFormat::onSave(FileOp* fop)
 
   switch (image->pixelFormat()) {
     case IMAGE_RGB: {
-      for (y = 0; y < image->height(); y++) {
-        for (x = 0; x < image->width(); x++) {
-          c = get_pixel_fast<RgbTraits>(image.get(), x, y);
-          alpha = rgba_geta(c);
-          if (alpha != 0x00)
-            printcol(x, y, rgba_getr(c), rgba_getg(c), rgba_getb(c), alpha, pixelScaleValue);
-        }
-        fop->setProgress((float)y / (float)(image->height()));
-      }
+      auto getPixelColor = [&](int px, int py) -> std::tuple<int, int, int, int, bool> {
+        c = get_pixel_fast<RgbTraits>(image.get(), px, py);
+        alpha = rgba_geta(c);
+        if (alpha == 0x00)
+          return { 0, 0, 0, 0, true };
+        return { rgba_getr(c), rgba_getg(c), rgba_getb(c), alpha, false };
+      };
+      mergePixels(getPixelColor);
       break;
     }
     case IMAGE_GRAYSCALE: {
-      for (y = 0; y < image->height(); y++) {
-        for (x = 0; x < image->width(); x++) {
-          c = get_pixel_fast<GrayscaleTraits>(image.get(), x, y);
-          auto v = graya_getv(c);
-          alpha = graya_geta(c);
-          if (alpha != 0x00)
-            printcol(x, y, v, v, v, alpha, pixelScaleValue);
-        }
-        fop->setProgress((float)y / (float)(image->height()));
-      }
+      auto getPixelColor = [&](int px, int py) -> std::tuple<int, int, int, int, bool> {
+        c = get_pixel_fast<GrayscaleTraits>(image.get(), px, py);
+        auto v = graya_getv(c);
+        alpha = graya_geta(c);
+        if (alpha == 0x00)
+          return { 0, 0, 0, 0, true };
+        return { v, v, v, alpha, false };
+      };
+      mergePixels(getPixelColor);
       break;
     }
     case IMAGE_INDEXED: {
       unsigned char image_palette[256][4];
-      for (y = 0; y < 256; y++) {
-        fop->sequenceGetColor(y, &r, &g, &b);
-        image_palette[y][0] = r;
-        image_palette[y][1] = g;
-        image_palette[y][2] = b;
-        fop->sequenceGetAlpha(y, &a);
-        image_palette[y][3] = a;
+      for (int i = 0; i < 256; i++) {
+        fop->sequenceGetColor(i, &r, &g, &b);
+        image_palette[i][0] = r;
+        image_palette[i][1] = g;
+        image_palette[i][2] = b;
+        fop->sequenceGetAlpha(i, &a);
+        image_palette[i][3] = a;
       }
       color_t mask_color = -1;
       if (fop->document()->sprite()->backgroundLayer() == NULL ||
           !fop->document()->sprite()->backgroundLayer()->isVisible()) {
         mask_color = fop->document()->sprite()->transparentColor();
       }
-      for (y = 0; y < image->height(); y++) {
-        for (x = 0; x < image->width(); x++) {
-          c = get_pixel_fast<IndexedTraits>(image.get(), x, y);
-          if (c != mask_color)
-            printcol(x,
-                     y,
-                     image_palette[c][0] & 0xff,
-                     image_palette[c][1] & 0xff,
-                     image_palette[c][2] & 0xff,
-                     image_palette[c][3] & 0xff,
-                     pixelScaleValue);
-        }
-        fop->setProgress((float)y / (float)(image->height()));
-      }
+
+      auto getPixelColor = [&](int px, int py) -> std::tuple<int, int, int, int, bool> {
+        c = get_pixel_fast<IndexedTraits>(image.get(), px, py);
+        if (c == mask_color)
+          return { 0, 0, 0, 0, true };
+        return { image_palette[c][0] & 0xff,
+                 image_palette[c][1] & 0xff,
+                 image_palette[c][2] & 0xff,
+                 image_palette[c][3] & 0xff,
+                 false };
+      };
+      mergePixels(getPixelColor);
       break;
     }
   }

src/app/file_system.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2019-2024  Igara Studio S.A.
+// Copyright (C) 2019-2025  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -82,6 +82,9 @@ public:
   unsigned int m_version;
   bool m_removed;
   mutable bool m_is_folder;
+#ifdef _WIN32
+  bool m_isHidden = false;
+#endif
   std::atomic<double> m_thumbnailProgress;
   std::atomic<os::Surface*> m_thumbnail;
 #ifdef _WIN32
@@ -266,7 +269,7 @@ IFileItem* FileSystemModule::getRootFileItem()
     fileitem->m_pidl = pidl;
     fileitem->m_fullpidl = pidl;
 
-    SFGAOF attrib = SFGAO_FOLDER;
+    SFGAOF attrib = SFGAO_FOLDER | SFGAO_HIDDEN;
     shl_idesktop->GetAttributesOf(1, (LPCITEMIDLIST*)&pidl, &attrib);
 
     update_by_pidl(fileitem, attrib);
@@ -357,7 +360,7 @@ bool FileItem::isHidden() const
   ASSERT(m_displayname != NOTINITIALIZED);
 
 #ifdef _WIN32
-  return false;
+  return m_isHidden;
 #else
   return m_displayname[0] == '.';
 #endif
@@ -462,7 +465,7 @@ const FileItemList& FileItem::children()
         // Get the interface to enumerate subitems
         hr = pFolder->EnumObjects(
           reinterpret_cast<HWND>(os::System::instance()->defaultWindow()->nativeHandle()),
-          SHCONTF_FOLDERS | SHCONTF_NONFOLDERS,
+          SHCONTF_FOLDERS | SHCONTF_NONFOLDERS | SHCONTF_INCLUDEHIDDEN,
           &pEnum);
 
         if (hr == S_OK && pEnum) {
@@ -473,10 +476,9 @@ const FileItemList& FileItem::children()
           while (pEnum->Next(256, itempidl, &fetched) == S_OK && fetched > 0) {
             // Request the SFGAO_FOLDER attribute to know what of the
             // item is file or a folder
-            for (c = 0; c < fetched; ++c) {
-              attribs[c] = SFGAO_FOLDER;
-              pFolder->GetAttributesOf(1, (LPCITEMIDLIST*)itempidl, attribs + c);
-            }
+            for (c = 0; c < fetched; ++c)
+              attribs[c] = SFGAO_FOLDER | SFGAO_HIDDEN;
+            pFolder->GetAttributesOf(fetched, (LPCITEMIDLIST*)itempidl, attribs);
 
             // Generate the FileItems
             for (c = 0; c < fetched; ++c) {
@@ -755,6 +757,9 @@ static void update_by_pidl(FileItem* fileitem, SFGAOF attrib)
   // Is it a folder?
 
   fileitem->m_is_folder = calc_is_folder(fileitem->m_filename, attrib);
+  #if _WIN32
+  fileitem->m_isHidden = (attrib & SFGAO_HIDDEN ? true : false);
+  #endif
 
   // Get the name to display
 

src/app/fonts/font_data.cpp

@@ -14,17 +14,25 @@
 #include "text/font.h"
 #include "text/font_mgr.h"
 #include "text/sprite_sheet_font.h"
+#include "text/typeface.h"
 #include "ui/manager.h"
+#include "ui/scale.h"
 
 #include <set>
 
+#define USE_CACHE 1
+
 namespace app {
 
-FontData::FontData(text::FontType type)
-  : m_type(type)
-  , m_antialias(false)
-  , m_fallback(nullptr)
-  , m_fallbackSize(0)
+FontData::FontData(text::FontType type) : m_type(type)
+{
+}
+
+FontData::FontData(const text::FontRef& nativeFont)
+  : m_type(nativeFont->type())
+  , m_antialias(nativeFont->antialias())
+  , m_hinting(nativeFont->hinting())
+  , m_nativeFont(nativeFont)
 {
 }
 
@@ -32,17 +40,16 @@ text::FontRef FontData::getFont(text::FontMgrRef& fontMgr, float size)
 {
   ASSERT(fontMgr);
 
-  // Use cache
-  if (m_antialias) {
-    auto it = m_antialiasFonts.find(size);
-    if (it != m_antialiasFonts.end())
-      return it->second;
-  }
-  else {
-    auto it = m_fonts.find(size);
-    if (it != m_fonts.end())
-      return it->second;
-  }
+  if (size == 0.0f && m_size != 0.0f)
+    size = m_size;
+
+#if USE_CACHE
+  // Use cached fonts
+  const Cache::Key cacheKey{ size, m_antialias, m_hinting != text::FontHinting::None };
+  auto it = m_cache.fonts.find(cacheKey);
+  if (it != m_cache.fonts.end()) // Cache hit
+    return it->second;
+#endif
 
   text::FontRef font = nullptr;
 
@@ -53,27 +60,41 @@ text::FontRef FontData::getFont(text::FontMgrRef& fontMgr, float size)
         static_cast<text::SpriteSheetFont*>(font.get())->setDescent(m_descent);
       }
       break;
+
     case text::FontType::FreeType: {
       font = fontMgr->loadTrueTypeFont(m_filename.c_str(), size);
-      if (font)
+      if (font) {
         font->setAntialias(m_antialias);
+        font->setHinting(m_hinting);
+      }
       break;
     }
+
+    case text::FontType::Native:
+      if (size == m_nativeFont->size())
+        font = m_nativeFont;
+      else {
+        text::TypefaceRef typeface = m_nativeFont->typeface();
+        font = fontMgr->makeFont(typeface, size);
+        font->setAntialias(m_antialias);
+        font->setHinting(m_hinting);
+      }
+      break;
   }
 
+#if USE_CACHE
+  // Cache this font
+  m_cache.fonts[cacheKey] = font;
+#endif
+
+  // Load fallback
   if (m_fallback) {
-    text::FontRef fallback = m_fallback->getFont(fontMgr, m_fallbackSize);
+    text::FontRef fallback = m_fallback->getFont(fontMgr, m_fallbackSize * ui::guiscale());
     if (font)
-      font->setFallback(fallback.get());
+      font->setFallback(fallback);
     else
       return fallback; // Don't double-cache the fallback font
   }
-
-  // Cache this font
-  if (m_antialias)
-    m_antialiasFonts[size] = font;
-  else
-    m_fonts[size] = font;
   return font;
 }
 

src/app/fonts/font_data.h

@@ -22,9 +22,20 @@ namespace app {
 class FontData {
 public:
   FontData(text::FontType type);
+  FontData(const text::FontRef& nativeFont);
 
+  text::FontType type() const { return m_type; }
+  const std::string& name() const { return m_name; }
+  const std::string& filename() const { return m_filename; }
+  float defaultSize() const { return m_size; }
+  bool antialias() const { return m_antialias; }
+  text::FontHinting hinting() const { return m_hinting; }
+
+  void setName(const std::string& name) { m_name = name; }
   void setFilename(const std::string& filename) { m_filename = filename; }
-  void setAntialias(bool antialias) { m_antialias = antialias; }
+  void setDefaultSize(const float size) { m_size = size; }
+  void setAntialias(const bool antialias) { m_antialias = antialias; }
+  void setHinting(const text::FontHinting hinting) { m_hinting = hinting; }
   void setFallback(FontData* fallback, float fallbackSize)
   {
     m_fallback = fallback;
@@ -36,17 +47,32 @@ public:
 
   text::FontRef getFont(text::FontMgrRef& fontMgr, float size);
 
-  const std::string& filename() const { return m_filename; }
-
 private:
+  // Cache of loaded fonts so we avoid re-loading them.
+  struct Cache {
+    struct Key {
+      float size;
+      bool antialias : 1;
+      bool hinting : 1;
+      bool operator<(const Key& b) const
+      {
+        return size < b.size || antialias < b.antialias || hinting < b.hinting;
+      }
+    };
+    std::map<Key, text::FontRef> fonts;
+  };
+
   text::FontType m_type;
+  std::string m_name;
   std::string m_filename;
-  bool m_antialias;
-  std::map<float, text::FontRef> m_fonts; // key=font size, value=real font
-  std::map<float, text::FontRef> m_antialiasFonts;
-  FontData* m_fallback;
-  float m_fallbackSize;
+  float m_size = 0.0f;
+  bool m_antialias = false;
+  text::FontHinting m_hinting = text::FontHinting::Normal;
+  Cache m_cache;
+  FontData* m_fallback = nullptr;
+  float m_fallbackSize = 0.0f;
   float m_descent = 0.0f;
+  text::FontRef m_nativeFont;
 
   DISABLE_COPYING(FontData);
 };

src/app/fonts/font_info.cpp

@@ -10,6 +10,7 @@
 
 #include "app/fonts/font_info.h"
 
+#include "app/fonts/font_data.h"
 #include "app/pref/preferences.h"
 #include "base/fs.h"
 #include "base/split_string.h"
@@ -27,27 +28,46 @@ FontInfo::FontInfo(Type type,
                    const std::string& name,
                    const float size,
                    const text::FontStyle style,
-                   const Flags flags)
+                   const Flags flags,
+                   const text::FontHinting hinting)
   : m_type(type)
   , m_name(name)
   , m_size(size)
   , m_style(style)
   , m_flags(flags)
+  , m_hinting(hinting)
 {
 }
 
 FontInfo::FontInfo(const FontInfo& other,
                    const float size,
                    const text::FontStyle style,
-                   const Flags flags)
+                   const Flags flags,
+                   text::FontHinting hinting)
   : m_type(other.type())
   , m_name(other.name())
   , m_size(size)
   , m_style(style)
   , m_flags(flags)
+  , m_hinting(hinting)
 {
 }
 
+FontInfo::FontInfo(const FontData* data, const float size)
+  : m_type(Type::Unknown)
+  , m_name(data->name())
+  , m_size(size != 0.0f ? size : data->defaultSize())
+  , m_flags(data->antialias() ? Flags::Antialias : Flags::None)
+  , m_hinting(data->hinting())
+{
+  switch (data->type()) {
+    case text::FontType::Unknown:     m_type = Type::Unknown; break;
+    case text::FontType::SpriteSheet:
+    case text::FontType::FreeType:    m_type = Type::File; break;
+    case text::FontType::Native:      m_type = Type::System; break;
+  }
+}
+
 std::string FontInfo::title() const
 {
   return m_type == FontInfo::Type::File ? base::get_file_name(m_name) : m_name;
@@ -130,6 +150,12 @@ std::string FontInfo::humanString() const
       result += " Antialias";
     if (ligatures())
       result += " Ligatures";
+    switch (hinting()) {
+      case text::FontHinting::None:   result += " No Hinting"; break;
+      case text::FontHinting::Slight: result += " Slight Hinting"; break;
+      case text::FontHinting::Normal: break;
+      case text::FontHinting::Full:   result += " Full Hinting"; break;
+    }
   }
   return result;
 }
@@ -150,6 +176,7 @@ app::FontInfo convert_to(const std::string& from)
   bool bold = false;
   bool italic = false;
   app::FontInfo::Flags flags = app::FontInfo::Flags::None;
+  text::FontHinting hinting = text::FontHinting::Normal;
 
   if (!parts.empty()) {
     if (parts[0].compare(0, 5, "file=") == 0) {
@@ -176,6 +203,17 @@ app::FontInfo convert_to(const std::string& from)
       else if (parts[i].compare(0, 5, "size=") == 0) {
         size = std::strtof(parts[i].substr(5).c_str(), nullptr);
       }
+      else if (parts[i].compare(0, 8, "hinting=") == 0) {
+        std::string hintingStr = parts[i].substr(8);
+        if (hintingStr == "none")
+          hinting = text::FontHinting::None;
+        else if (hintingStr == "slight")
+          hinting = text::FontHinting::Slight;
+        else if (hintingStr == "normal")
+          hinting = text::FontHinting::Normal;
+        else if (hintingStr == "full")
+          hinting = text::FontHinting::Full;
+      }
     }
   }
 
@@ -187,7 +225,7 @@ app::FontInfo convert_to(const std::string& from)
   else if (italic)
     style = text::FontStyle::Italic();
 
-  return app::FontInfo(type, name, size, style, flags);
+  return app::FontInfo(type, name, size, style, flags, hinting);
 }
 
 template<>
@@ -213,6 +251,17 @@ std::string convert_to(const app::FontInfo& from)
       result += ",antialias";
     if (from.ligatures())
       result += ",ligatures";
+    if (from.hinting() != text::FontHinting::Normal) {
+      result += ",hinting=";
+      switch (from.hinting()) {
+        case text::FontHinting::None:   result += "none"; break;
+        case text::FontHinting::Slight: result += "slight"; break;
+        case text::FontHinting::Normal:
+          // Filtered out by above if
+          break;
+        case text::FontHinting::Full: result += "full"; break;
+      }
+    }
   }
   return result;
 }

src/app/fonts/font_info.h

@@ -10,6 +10,7 @@
 
 #include "base/convert_to.h"
 #include "base/enum_flags.h"
+#include "text/font_hinting.h"
 #include "text/font_style.h"
 #include "text/font_type.h"
 #include "text/fwd.h"
@@ -20,6 +21,8 @@
 
 namespace app {
 
+class FontData;
+
 // Represents a font reference from any place:
 // - Name: a font referenced by name, a font that came from fonts.xml files (Fonts/FontData)
 // - File: an external font loaded from a .ttf file
@@ -49,9 +52,16 @@ public:
            const std::string& name = {},
            float size = kDefaultSize,
            text::FontStyle style = text::FontStyle(),
-           Flags flags = Flags::None);
+           Flags flags = Flags::None,
+           text::FontHinting hinting = text::FontHinting::Normal);
 
-  FontInfo(const FontInfo& other, float size, text::FontStyle style, Flags flags);
+  FontInfo(const FontInfo& other,
+           float size,
+           text::FontStyle style,
+           Flags flags,
+           text::FontHinting hinting);
+
+  FontInfo(const FontData* data, float size = 0.0f);
 
   bool isValid() const { return m_type != Type::Unknown; }
   bool useDefaultSize() const { return m_size == kDefaultSize; }
@@ -72,6 +82,7 @@ public:
   Flags flags() const { return m_flags; }
   bool antialias() const;
   bool ligatures() const;
+  text::FontHinting hinting() const { return m_hinting; }
 
   text::TypefaceRef findTypeface(const text::FontMgrRef& fontMgr) const;
 
@@ -92,6 +103,7 @@ private:
   float m_size = kDefaultSize;
   text::FontStyle m_style;
   Flags m_flags = Flags::None;
+  text::FontHinting m_hinting = text::FontHinting::Normal;
 };
 
 LAF_ENUM_FLAGS(FontInfo::Flags);

src/app/fonts/fonts.cpp

@@ -37,8 +37,10 @@ Fonts::~Fonts()
   g_instance = nullptr;
 }
 
-void Fonts::addFontData(const std::string& name, std::unique_ptr<FontData>&& fontData)
+void Fonts::addFontData(std::unique_ptr<FontData>&& fontData)
 {
+  ASSERT(fontData);
+  std::string name = fontData->name();
   m_fonts[name] = std::move(fontData);
 }
 
@@ -68,10 +70,13 @@ text::FontRef Fonts::fontFromInfo(const FontInfo& fontInfo)
   if (fontInfo.type() == FontInfo::Type::System) {
     // Just in case the typeface is not present in the FontInfo
     auto typeface = fontInfo.findTypeface(m_fontMgr);
+    if (!typeface)
+      return nullptr;
 
-    font = m_fontMgr->makeFont(typeface);
-    if (!fontInfo.useDefaultSize())
-      font->setSize(fontInfo.size());
+    if (fontInfo.useDefaultSize())
+      font = m_fontMgr->makeFont(typeface);
+    else
+      font = m_fontMgr->makeFont(typeface, fontInfo.size());
   }
   else {
     const float size = (fontInfo.useDefaultSize() ? 0.0f : fontInfo.size());
@@ -82,24 +87,12 @@ text::FontRef Fonts::fontFromInfo(const FontInfo& fontInfo)
     }
   }
 
-  if (font)
+  if (font) {
     font->setAntialias(fontInfo.antialias());
+    font->setHinting(fontInfo.hinting());
+  }
 
   return font;
 }
 
-FontInfo Fonts::infoFromFont(const text::FontRef& font)
-{
-  for (const auto& kv : m_fonts) {
-    if (kv.second->getFont(m_fontMgr, font->size()) == font) {
-      return FontInfo(FontInfo::Type::Name,
-                      kv.first,
-                      font->size(),
-                      text::FontStyle(),
-                      font->antialias() ? FontInfo::Flags::Antialias : FontInfo::Flags::None);
-    }
-  }
-  return {};
-}
-
 } // namespace app

src/app/fonts/fonts.h

@@ -33,12 +33,11 @@ public:
   const FontDataMap& definedFonts() const { return m_fonts; }
   bool isEmpty() const { return m_fonts.empty(); }
 
-  void addFontData(const std::string& name, std::unique_ptr<FontData>&& fontData);
+  void addFontData(std::unique_ptr<FontData>&& fontData);
 
   FontData* fontDataByName(const std::string& name);
   text::FontRef fontByName(const std::string& name, float size);
   text::FontRef fontFromInfo(const FontInfo& fontInfo);
-  FontInfo infoFromFont(const text::FontRef& font);
 
 private:
   text::FontMgrRef m_fontMgr;

src/app/modules/gui.cpp

@@ -682,11 +682,11 @@ bool CustomizedGuiManager::processKey(Message* msg)
 {
   App* app = App::instance();
   const KeyboardShortcuts* keys = KeyboardShortcuts::instance();
-  const KeyContext contexts[] = { keys->getCurrentKeyContext(), KeyContext::Normal };
+  const KeyContext contexts[] = { KeyboardShortcuts::getCurrentKeyContext(), KeyContext::Normal };
   int n = (contexts[0] != contexts[1] ? 2 : 1);
   for (int i = 0; i < n; ++i) {
     for (const KeyPtr& key : *keys) {
-      if (key->isPressed(msg, *keys, contexts[i])) {
+      if (key->isPressed(msg, contexts[i])) {
         // Cancel menu-bar loops (to close any popup menu)
         app->mainWindow()->getMenuBar()->cancelMenuLoop();
 
@@ -700,7 +700,7 @@ bool CustomizedGuiManager::processKey(Message* msg)
             // Collect all tools with the pressed keyboard-shortcut
             for (tools::Tool* tool : *toolbox) {
               const KeyPtr key = keys->tool(tool);
-              if (key && key->isPressed(msg, *keys))
+              if (key && key->isPressed(msg))
                 possibles.push_back(tool);
             }
 

src/app/resource_finder.cpp

@@ -213,7 +213,7 @@ void ResourceFinder::includeDesktopDir(const char* filename)
 #ifdef _WIN32
 
   std::vector<wchar_t> buf(MAX_PATH);
-  HRESULT hr = SHGetFolderPath(NULL, CSIDL_DESKTOPDIRECTORY, NULL, SHGFP_TYPE_DEFAULT, &buf[0]);
+  HRESULT hr = SHGetFolderPath(NULL, CSIDL_DESKTOP, NULL, SHGFP_TYPE_CURRENT, &buf[0]);
   if (hr == S_OK) {
     addPath(base::join_path(base::to_utf8(&buf[0]), filename));
   }

src/app/script/api_version.h

@@ -10,6 +10,6 @@
 
 // Increment this value if the scripting API is modified between two
 // released Aseprite versions.
-#define API_VERSION 32
+#define API_VERSION 34
 
 #endif

src/app/script/dialog_class.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2018-2024  Igara Studio S.A.
+// Copyright (C) 2018-2025  Igara Studio S.A.
 // Copyright (C) 2018  David Capello
 //
 // This program is distributed under the terms of
@@ -575,8 +575,9 @@ int Dialog_add_widget(lua_State* L, Widget* widget)
   bool vexpand = (widget->type() == Canvas::Type());
 
   // This is to separate different kind of widgets without label in
-  // different rows.
-  if (dlg->lastWidgetType != widget->type() || dlg->autoNewRow) {
+  // different rows. Separator widgets will always create a new row.
+  if (dlg->lastWidgetType != widget->type() || dlg->autoNewRow ||
+      widget->type() == ui::kSeparatorWidget) {
     dlg->lastWidgetType = widget->type();
     dlg->hbox = nullptr;
   }
@@ -631,8 +632,8 @@ int Dialog_add_widget(lua_State* L, Widget* widget)
         dlg->labelWidgets[id] = labelWidget;
     }
     else {
-      // For tabs we don't want the empty space of an unspecified label.
-      if (widget->type() != Tabs::Type()) {
+      // For tabs and separators, we don't want the empty space of an unspecified label.
+      if (widget->type() != Tabs::Type() && widget->type() != ui::kSeparatorWidget) {
         dlg->currentGrid->addChildInCell(new ui::HBox, 1, 1, ui::LEFT | ui::TOP);
       }
     }
@@ -641,14 +642,15 @@ int Dialog_add_widget(lua_State* L, Widget* widget)
     if (widget->type() == ui::kButtonWidget)
       hbox->enableFlags(ui::HOMOGENEOUS);
 
-    // For tabs we don't want the empty space of an unspecified label, so
+    // For tabs and unlabeled separators, we don't want the empty space of an unspecified label, so
     // span 2 columns.
-    const int hspan = (widget->type() == Tabs::Type() ? 2 : 1);
+    const int hspan =
+      ((widget->type() == Tabs::Type()) || (widget->type() == ui::kSeparatorWidget && !label) ? 2 :
+                                                                                                1);
     dlg->currentGrid->addChildInCell(hbox,
                                      hspan,
                                      1,
                                      ui::HORIZONTAL | (vexpand ? ui::VERTICAL : ui::TOP));
-
     dlg->hbox = hbox;
   }
 
@@ -709,12 +711,7 @@ int Dialog_separator(lua_State* L)
     dlg->dataWidgets[id] = widget;
   }
 
-  dlg->mainWidgets.push_back(widget);
-  dlg->currentGrid->addChildInCell(widget, 2, 1, ui::HORIZONTAL | ui::TOP);
-  dlg->hbox = nullptr;
-
-  lua_pushvalue(L, 1);
-  return 1;
+  return Dialog_add_widget(L, widget);
 }
 
 int Dialog_label(lua_State* L)
@@ -1048,7 +1045,7 @@ int Dialog_shades(lua_State* L)
 int Dialog_file(lua_State* L)
 {
   std::string title = "Open File";
-  std::string path = std::string();
+  std::string path;
   std::string fn;
   base::paths exts;
   auto dlgType = FileSelectorType::Open;
@@ -1114,11 +1111,14 @@ int Dialog_file(lua_State* L)
 
   // Set default path if 'basepath' is blank
   if (path.empty()) {
-    const auto* doc = App::instance()->context()->activeDocument();
-    if (doc)
-      path = base::get_file_path(doc->filename());
-    else
-      path = (base::get_file_path(fn).empty() ? base::get_current_path() : base::get_file_path(fn));
+    // We use the 'filename' path the relative path if it was given.
+    path = base::get_file_path(fn);
+    if (path.empty()) {
+      if (const auto* doc = App::instance()->context()->activeDocument())
+        path = base::get_file_path(doc->filename());
+      else
+        path = base::get_current_path();
+    }
   }
 
   // Update the widget with the provided filename

src/app/script/events_class.cpp

@@ -370,6 +370,10 @@ public:
 #if ENABLE_REMAP_TILESET_EVENT
     RemapTileset,
 #endif
+    LayerBlendMode,
+    LayerName,
+    LayerOpacity,
+    LayerVisibility,
   };
 
   SpriteEvents(const Sprite* sprite) : m_spriteId(sprite->id()) { doc()->add_observer(this); }
@@ -401,6 +405,14 @@ public:
     else if (std::strcmp(eventName, "remaptileset") == 0)
       return RemapTileset;
 #endif
+    else if (std::strcmp(eventName, "layerblendmode") == 0)
+      return LayerBlendMode;
+    else if (std::strcmp(eventName, "layername") == 0)
+      return LayerName;
+    else if (std::strcmp(eventName, "layeropacity") == 0)
+      return LayerOpacity;
+    else if (std::strcmp(eventName, "layervisibility") == 0)
+      return LayerVisibility;
     else
       return Unknown;
   }
@@ -460,6 +472,38 @@ public:
     });
   }
 
+  void onLayerBlendModeChange(DocEvent& ev) override
+  {
+    call(LayerBlendMode,
+         {
+           { "layer", ev.layer() }
+    });
+  }
+
+  void onLayerNameChange(DocEvent& ev) override
+  {
+    call(LayerName,
+         {
+           { "layer", ev.layer() }
+    });
+  }
+
+  void onLayerOpacityChange(DocEvent& ev) override
+  {
+    call(LayerOpacity,
+         {
+           { "layer", ev.layer() }
+    });
+  }
+
+  void onAfterLayerVisibilityChange(DocEvent& ev) override
+  {
+    call(LayerVisibility,
+         {
+           { "layer", ev.layer() }
+    });
+  }
+
 private:
   void onAddFirstListener(EventType eventType) override
   {

src/app/script/image_class.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2018-2024  Igara Studio S.A.
+// Copyright (C) 2018-2025  Igara Studio S.A.
 // Copyright (C) 2015-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -9,6 +9,7 @@
   #include "config.h"
 #endif
 
+#include "app/cmd/clear_rect.h"
 #include "app/cmd/copy_rect.h"
 #include "app/cmd/copy_region.h"
 #include "app/cmd/flip_image.h"
@@ -246,7 +247,15 @@ int Image_clear(lua_State* L)
   else
     color = convert_args_into_pixel_color(L, i, img->pixelFormat());
 
-  doc::fill_rect(img, rc, color); // Clips the rectangle to the image bounds
+  if (auto cel = obj->cel(L)) {
+    Tx tx(cel->sprite());
+    tx(new cmd::ClearRect(cel, rc.offset(cel->position()), color));
+    tx.commit();
+  }
+  // If the destination image is not related to a sprite, we just draw
+  // the source image without undo information.
+  else
+    doc::fill_rect(img, rc, color); // Clips the rectangle to the image bounds
   return 0;
 }
 

src/app/script/layer_class.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2018-2024  Igara Studio S.A.
+// Copyright (C) 2018-2025  Igara Studio S.A.
 // Copyright (C) 2018  David Capello
 //
 // This program is distributed under the terms of
@@ -247,6 +247,13 @@ int Layer_get_tileset(lua_State* L)
   return 1;
 }
 
+int Layer_get_uuid(lua_State* L)
+{
+  auto* layer = get_docobj<Layer>(L, 1);
+  push_obj(L, layer->uuid());
+  return 1;
+}
+
 int Layer_set_name(lua_State* L)
 {
   auto layer = get_docobj<Layer>(L, 1);
@@ -446,6 +453,7 @@ const Property Layer_properties[] = {
   { "data",          UserData_get_text<Layer>,       UserData_set_text<Layer>       },
   { "properties",    UserData_get_properties<Layer>, UserData_set_properties<Layer> },
   { "tileset",       Layer_get_tileset,              Layer_set_tileset              },
+  { "uuid",          Layer_get_uuid,                 nullptr                        },
   { nullptr,         nullptr,                        nullptr                        }
 };
 

src/app/script/security.cpp

@@ -40,6 +40,8 @@ int secure_io_lines(lua_State* L);
 int secure_io_input(lua_State* L);
 int secure_io_output(lua_State* L);
 int secure_os_execute(lua_State* L);
+int secure_os_remove(lua_State* L);
+int secure_os_rename(lua_State* L);
 int secure_package_loadlib(lua_State* L);
 
 enum {
@@ -49,6 +51,8 @@ enum {
   io_input,
   io_output,
   os_execute,
+  os_remove,
+  os_rename,
   package_loadlib,
 };
 
@@ -64,6 +68,8 @@ static struct {
   { "io",      "input",   secure_io_input        },
   { "io",      "output",  secure_io_output       },
   { "os",      "execute", secure_os_execute      },
+  { "os",      "remove",  secure_os_remove       },
+  { "os",      "rename",  secure_os_rename       },
   { "package", "loadlib", secure_package_loadlib },
 };
 
@@ -185,6 +191,81 @@ int secure_os_execute(lua_State* L)
   return replaced_functions[os_execute].origfunc(L);
 }
 
+int file_result(lua_State* L, bool result, int errorNo = 0, const std::string& fileName = "")
+{
+  if (result) {
+    lua_pushboolean(L, 1);
+    return 1;
+  }
+
+  luaL_pushfail(L);
+  if (fileName.empty())
+    lua_pushstring(L, strerror(errorNo));
+  else
+    lua_pushfstring(L, "%s: %s", fileName.c_str(), strerror(errorNo));
+  lua_pushinteger(L, errorNo);
+  return 3;
+}
+
+int secure_os_remove(lua_State* L)
+{
+  const std::string absFilename = base::get_canonical_path(luaL_checkstring(L, 1));
+  if (absFilename.empty())
+    return file_result(L, false, ENOENT, absFilename);
+
+  if (!ask_access(L, absFilename.data(), FileAccessMode::Write, ResourceType::File))
+    return file_result(L, false, EACCES, absFilename);
+
+  if (base::is_directory(absFilename)) {
+    try {
+      base::remove_directory(absFilename);
+      return file_result(L, true);
+    }
+    catch (const std::exception&) {
+      return file_result(L, false, EIO, absFilename);
+    }
+  }
+
+  try {
+    base::delete_file(absFilename);
+  }
+  catch (const std::exception&) {
+    return file_result(L, false, EIO, absFilename);
+  }
+
+  return file_result(L, true);
+}
+
+int secure_os_rename(lua_State* L)
+{
+  const std::string absSourceFilename = base::get_canonical_path(luaL_checkstring(L, 1));
+  const std::string absDestFilename = base::get_absolute_path(luaL_checkstring(L, 2));
+  lua_pop(L, 2);
+
+  if (absSourceFilename.empty())
+    return file_result(L, false, ENOENT, absSourceFilename);
+
+  if (absDestFilename.empty())
+    return file_result(L, false, EINVAL, absDestFilename);
+
+  if (!ask_access(L, absSourceFilename.data(), FileAccessMode::Write, ResourceType::File))
+    return file_result(L, false, EACCES, absSourceFilename);
+
+  try {
+    // If the destination file already exists, we should ask for permission to overwrite it.
+    if (!base::get_canonical_path(absDestFilename).empty() &&
+        !ask_access(L, absDestFilename.data(), FileAccessMode::Write, ResourceType::File)) {
+      return file_result(L, false, EACCES, absDestFilename);
+    }
+
+    base::move_file(absSourceFilename, absDestFilename);
+    return file_result(L, true);
+  }
+  catch (const std::exception&) {
+    return file_result(L, false, EIO, absSourceFilename);
+  }
+}
+
 int secure_package_loadlib(lua_State* L)
 {
   const char* cmd = luaL_checkstring(L, 1);
@@ -201,7 +282,7 @@ void overwrite_unsecure_functions(lua_State* L)
 {
   // Remove unsupported functions
   lua_getglobal(L, "os");
-  for (const char* name : { "remove", "rename", "exit", "tmpname" }) {
+  for (const char* name : { "exit", "tmpname" }) {
     lua_pushcfunction(L, unsupported);
     lua_setfield(L, -2, name);
   }
@@ -280,7 +361,15 @@ bool ask_access(lua_State* L,
     {
       std::string label;
       switch (resourceType) {
-        case ResourceType::File:      label = Strings::script_access_file_label(); break;
+        case ResourceType::File: {
+          if (mode == FileAccessMode::Write) {
+            label = Strings::script_access_file_write_label();
+          }
+          else {
+            label = Strings::script_access_file_label();
+          }
+          break;
+        }
         case ResourceType::Command:   label = Strings::script_access_command_label(); break;
         case ResourceType::WebSocket: label = Strings::script_access_websocket_label(); break;
         case ResourceType::Clipboard: label = Strings::script_access_clipboard_label(); break;

src/app/script/site_class.cpp

@@ -13,6 +13,8 @@
 #include "app/console.h"
 #include "app/context.h"
 #include "app/context_observer.h"
+#include "app/doc.h"
+#include "app/doc_undo.h"
 #include "app/script/docobj.h"
 #include "app/script/engine.h"
 #include "app/script/luacpp.h"

src/app/script/sprite_class.cpp

@@ -64,6 +64,7 @@
 #include "doc/tag.h"
 #include "doc/tileset.h"
 #include "doc/tilesets.h"
+#include "undo/undo_state.h"
 
 #include <algorithm>
 
@@ -1012,6 +1013,59 @@ int Sprite_set_tileManagementPlugin(lua_State* L)
   return 0;
 }
 
+int Sprite_get_useLayerUuids(lua_State* L)
+{
+  auto* sprite = get_docobj<Sprite>(L, 1);
+  lua_pushboolean(L, sprite->useLayerUuids());
+  return 1;
+}
+
+int Sprite_set_useLayerUuids(lua_State* L)
+{
+  auto* sprite = get_docobj<Sprite>(L, 1);
+  if (lua_isboolean(L, 2)) {
+    const bool value = lua_toboolean(L, 2);
+    sprite->useLayerUuids(value);
+  }
+  return 0;
+}
+
+int Sprite_get_undoHistory(lua_State* L)
+{
+  const auto* sprite = get_docobj<Sprite>(L, 1);
+  const auto* doc = static_cast<Doc*>(sprite->document());
+  const auto* history = doc->undoHistory();
+
+  if (!history) {
+    lua_pushnil(L);
+    return 1;
+  }
+
+  const undo::UndoState* currentState = history->currentState();
+  const undo::UndoState* s = history->firstState();
+  const bool canRedo = history->canRedo();
+  bool pastCurrent = !currentState && canRedo;
+
+  int undoSteps = 0;
+  int redoSteps = 0;
+  while (s) {
+    if (pastCurrent && canRedo)
+      redoSteps++;
+    else if (currentState || !canRedo)
+      undoSteps++;
+
+    if (s == currentState || !currentState)
+      pastCurrent = true;
+
+    s = s->next();
+  }
+
+  lua_newtable(L);
+  setfield_integer(L, "undoSteps", undoSteps);
+  setfield_integer(L, "redoSteps", redoSteps);
+  return 1;
+}
+
 const luaL_Reg Sprite_methods[] = {
   { "__eq",              Sprite_eq                },
   { "resize",            Sprite_resize            },
@@ -1076,6 +1130,8 @@ const Property Sprite_properties[] = {
   { "pixelRatio",           Sprite_get_pixelRatio,           Sprite_set_pixelRatio           },
   { "events",               Sprite_get_events,               nullptr                         },
   { "tileManagementPlugin", Sprite_get_tileManagementPlugin, Sprite_set_tileManagementPlugin },
+  { "useLayerUuids",        Sprite_get_useLayerUuids,        Sprite_set_useLayerUuids        },
+  { "undoHistory",          Sprite_get_undoHistory,          nullptr                         },
   { nullptr,                nullptr,                         nullptr                         }
 };
 

src/app/thumbnails.cpp

@@ -21,9 +21,17 @@
 
 namespace app { namespace thumb {
 
-os::SurfaceRef get_cel_thumbnail(const doc::Cel* cel, const gfx::Size& fitInSize)
+os::SurfaceRef get_cel_thumbnail(const doc::Cel* cel,
+                                 const bool scaleUpToFit,
+                                 const gfx::Size& fitInSize)
 {
-  gfx::Size newSize(gfx::Rect(cel->bounds()).fitIn(gfx::Rect(fitInSize)).size());
+  gfx::Size newSize;
+
+  if (scaleUpToFit || cel->bounds().w > fitInSize.w || cel->bounds().h > fitInSize.h)
+    newSize = gfx::Rect(cel->bounds()).fitIn(gfx::Rect(fitInSize)).size();
+  else
+    newSize = cel->bounds().size();
+
   if (newSize.w < 1 || newSize.h < 1)
     return nullptr;
 

src/app/thumbnails.h

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2019-2020  Igara Studio S.A.
+// Copyright (C) 2019-2025  Igara Studio S.A.
 // Copyright (C) 2016  Carlo Caputo
 //
 // This program is distributed under the terms of
@@ -22,7 +22,9 @@ class Surface;
 
 namespace app { namespace thumb {
 
-os::SurfaceRef get_cel_thumbnail(const doc::Cel* cel, const gfx::Size& fitInSize);
+os::SurfaceRef get_cel_thumbnail(const doc::Cel* cel,
+                                 const bool scaleUpToFit,
+                                 const gfx::Size& fitInSize);
 
 }} // namespace app::thumb
 

src/app/tools/symmetry.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2021-2024  Igara Studio S.A.
+// Copyright (C) 2021-2025  Igara Studio S.A.
 //
 // This program is distributed under the terms of
 // the End-User License Agreement for Aseprite.
@@ -20,7 +20,7 @@ void Symmetry::generateStrokes(const Stroke& stroke, Strokes& strokes, ToolLoop*
 {
   Stroke stroke2;
   strokes.push_back(stroke);
-  gen::SymmetryMode symmetryMode = loop->getSymmetry()->mode();
+  const gen::SymmetryMode symmetryMode = tools::Symmetry::resolveMode(loop->getSymmetry()->mode());
   switch (symmetryMode) {
     case gen::SymmetryMode::NONE: ASSERT(false); break;
 
@@ -171,4 +171,14 @@ void Symmetry::calculateSymmetricalStroke(const Stroke& refStroke,
   }
 }
 
+gen::SymmetryMode Symmetry::resolveMode(gen::SymmetryMode mode)
+{
+  return (((int(mode) & int(gen::SymmetryMode::HORIZONTAL)) ||
+           (int(mode) & int(gen::SymmetryMode::VERTICAL))) &&
+          ((int(mode) & int(gen::SymmetryMode::RIGHT_DIAG)) ||
+           (int(mode) & int(gen::SymmetryMode::LEFT_DIAG)))) ?
+           gen::SymmetryMode::ALL :
+           mode;
+}
+
 }} // namespace app::tools

src/app/tools/symmetry.h

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2021-2024  Igara Studio S.A.
+// Copyright (C) 2021-2025  Igara Studio S.A.
 // Copyright (C) 2015  David Capello
 //
 // This program is distributed under the terms of
@@ -38,6 +38,8 @@ public:
 
   gen::SymmetryMode mode() const { return m_symmetryMode; }
 
+  static gen::SymmetryMode resolveMode(gen::SymmetryMode mode);
+
 private:
   void calculateSymmetricalStroke(const Stroke& refStroke,
                                   Stroke& stroke,

src/app/ui/app_menuitem.cpp

@@ -19,10 +19,10 @@
 #include "app/ui/keyboard_shortcuts.h"
 #include "app/ui_context.h"
 #include "os/menus.h"
-#include "ui/accelerator.h"
 #include "ui/menu.h"
 #include "ui/message.h"
 #include "ui/scale.h"
+#include "ui/shortcut.h"
 #include "ui/size_hint_event.h"
 #include "ui/widget.h"
 
@@ -139,8 +139,8 @@ void AppMenuItem::onSizeHint(SizeHintEvent& ev)
              border().width();
     size.h = textHeight() + border().height();
 
-    if (m_key && !m_key->accels().empty()) {
-      size.w += font()->textLength(m_key->accels().front().toString());
+    if (m_key && !m_key->shortcuts().empty()) {
+      size.w += font()->textLength(m_key->shortcuts().front().toString());
     }
   }
 

src/app/ui/brush_popup.cpp

@@ -431,8 +431,8 @@ void BrushPopup::regenerate(ui::Display* display, const gfx::Point& pos)
       params.set("change", "custom");
       params.set("slot", base::convert_to<std::string>(slot).c_str());
       KeyPtr key = KeyboardShortcuts::instance()->command(CommandId::ChangeBrush(), params);
-      if (key && !key->accels().empty())
-        shortcut = key->accels().front().toString();
+      if (key && !key->shortcuts().empty())
+        shortcut = key->shortcuts().front().toString();
     }
     m_customBrushes->addItem(new SelectBrushItem(brush, slot));
     m_customBrushes->addItem(new BrushShortcutItem(shortcut, slot));

src/app/ui/configure_timeline_popup.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2020-2021  Igara Studio S.A.
+// Copyright (C) 2020-2025  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -69,10 +69,13 @@ ConfigureTimelinePopup::ConfigureTimelinePopup()
   m_box->thumbEnabled()->Click.connect([this] { onThumbEnabledChange(); });
   m_box->thumbOverlayEnabled()->Click.connect([this] { onThumbOverlayEnabledChange(); });
   m_box->thumbOverlaySize()->Change.connect([this] { onThumbOverlaySizeChange(); });
+  m_box->thumbScaleUpToFit()->Click.connect([this] { onScaleUpToFitChange(); });
 
   const bool visibleThumb = docPref().thumbnails.enabled();
   m_box->thumbHSeparator()->setVisible(visibleThumb);
   m_box->thumbBox()->setVisible(visibleThumb);
+
+  m_box->defaults()->Click.connect([this] { onSetAsDefaults(); });
 }
 
 Doc* ConfigureTimelinePopup::doc()
@@ -128,6 +131,7 @@ void ConfigureTimelinePopup::updateWidgetsFromCurrentSettings()
   m_box->thumbBox()->setVisible(visibleThumb);
   m_box->thumbOverlayEnabled()->setSelected(docPref.thumbnails.overlayEnabled());
   m_box->thumbOverlaySize()->setValue(docPref.thumbnails.overlaySize());
+  m_box->thumbScaleUpToFit()->setSelected(docPref.thumbnails.scaleUpToFit());
 
   expandWindow(sizeHint());
 }
@@ -237,4 +241,33 @@ void ConfigureTimelinePopup::onThumbOverlaySizeChange()
   docPref().thumbnails.overlaySize(m_box->thumbOverlaySize()->getValue());
 }
 
+void ConfigureTimelinePopup::onScaleUpToFitChange()
+{
+  docPref().thumbnails.scaleUpToFit(m_box->thumbScaleUpToFit()->isSelected());
+}
+
+void ConfigureTimelinePopup::onSetAsDefaults()
+{
+  const auto& docPref = this->docPref();
+  auto& defaults = Preferences::instance().document(nullptr);
+
+  defaults.timeline.firstFrame(docPref.timeline.firstFrame());
+
+  defaults.thumbnails.enabled(docPref.thumbnails.enabled());
+  defaults.thumbnails.zoom(docPref.thumbnails.zoom());
+  defaults.thumbnails.overlayEnabled(docPref.thumbnails.overlayEnabled());
+  defaults.thumbnails.overlaySize(docPref.thumbnails.overlaySize());
+  defaults.thumbnails.scaleUpToFit(docPref.thumbnails.scaleUpToFit());
+
+  defaults.onionskin.active(docPref.onionskin.active());
+  defaults.onionskin.prevFrames(docPref.onionskin.prevFrames());
+  defaults.onionskin.nextFrames(docPref.onionskin.nextFrames());
+  defaults.onionskin.opacityBase(docPref.onionskin.opacityBase());
+  defaults.onionskin.opacityStep(docPref.onionskin.opacityStep());
+  defaults.onionskin.type(docPref.onionskin.type());
+  defaults.onionskin.loopTag(docPref.onionskin.loopTag());
+  defaults.onionskin.currentLayer(docPref.onionskin.currentLayer());
+  defaults.onionskin.position(docPref.onionskin.position());
+}
+
 } // namespace app

src/app/ui/configure_timeline_popup.h

@@ -1,4 +1,5 @@
 // Aseprite
+// Copyright (C) 2025  Igara Studio S.A.
 // Copyright (C) 2001-2017  David Capello
 //
 // This program is distributed under the terms of
@@ -46,6 +47,8 @@ protected:
   void onThumbEnabledChange();
   void onThumbOverlayEnabledChange();
   void onThumbOverlaySizeChange();
+  void onScaleUpToFitChange();
+  void onSetAsDefaults();
 
 private:
   void updateWidgetsFromCurrentSettings();

src/app/ui/context_bar.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2018-2024  Igara Studio S.A.
+// Copyright (C) 2018-2025  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -1530,14 +1530,10 @@ public:
 
     DocumentPreferences& docPref = Preferences::instance().document(doc);
 
-    at(0)->setSelected(
-      int(docPref.symmetry.mode()) & int(app::gen::SymmetryMode::HORIZONTAL) ? true : false);
-    at(1)->setSelected(
-      int(docPref.symmetry.mode()) & int(app::gen::SymmetryMode::VERTICAL) ? true : false);
-    at(2)->setSelected(
-      int(docPref.symmetry.mode()) & int(app::gen::SymmetryMode::RIGHT_DIAG) ? true : false);
-    at(3)->setSelected(
-      int(docPref.symmetry.mode()) & int(app::gen::SymmetryMode::LEFT_DIAG) ? true : false);
+    at(0)->setSelected(int(docPref.symmetry.mode()) & int(app::gen::SymmetryMode::HORIZONTAL));
+    at(1)->setSelected(int(docPref.symmetry.mode()) & int(app::gen::SymmetryMode::VERTICAL));
+    at(2)->setSelected(int(docPref.symmetry.mode()) & int(app::gen::SymmetryMode::RIGHT_DIAG));
+    at(3)->setSelected(int(docPref.symmetry.mode()) & int(app::gen::SymmetryMode::LEFT_DIAG));
   }
 
 private:
@@ -1551,60 +1547,7 @@ private:
 
     DocumentPreferences& docPref = Preferences::instance().document(doc);
 
-    auto oldMode = docPref.symmetry.mode();
     int mode = 0;
-    if (at(0)->isSelected())
-      mode |= int(app::gen::SymmetryMode::HORIZONTAL);
-    if (at(1)->isSelected())
-      mode |= int(app::gen::SymmetryMode::VERTICAL);
-    if (at(2)->isSelected())
-      mode |= int(app::gen::SymmetryMode::RIGHT_DIAG);
-    if (at(3)->isSelected())
-      mode |= int(app::gen::SymmetryMode::LEFT_DIAG);
-
-    // Non sense symmetries filter:
-    //  - H + 1Diag
-    //  - V + 1Diag
-    //  - H + V + 1Diag
-    const bool HorV = (mode & int(app::gen::SymmetryMode::HORIZONTAL)) ||
-                      (mode & int(app::gen::SymmetryMode::VERTICAL));
-    const bool HxorV = !(mode & int(app::gen::SymmetryMode::HORIZONTAL)) !=
-                       !(mode & int(app::gen::SymmetryMode::VERTICAL));
-    const bool RDxorLD = !(mode & int(app::gen::SymmetryMode::RIGHT_DIAG)) !=
-                         !(mode & int(app::gen::SymmetryMode::LEFT_DIAG));
-    if (oldMode == gen::SymmetryMode::HORIZONTAL || oldMode == gen::SymmetryMode::VERTICAL ||
-        oldMode == gen::SymmetryMode::BOTH) {
-      if (HorV && RDxorLD) {
-        mode = int(app::gen::SymmetryMode::ALL);
-        at(0)->setSelected(true);
-        at(1)->setSelected(true);
-        at(2)->setSelected(true);
-        at(3)->setSelected(true);
-      }
-    }
-    else if (oldMode == gen::SymmetryMode::ALL) {
-      if (HxorV) {
-        mode = int(app::gen::SymmetryMode::BOTH_DIAG);
-        at(0)->setSelected(false);
-        at(1)->setSelected(false);
-      }
-      else if (RDxorLD) {
-        mode = int(app::gen::SymmetryMode::BOTH);
-        at(2)->setSelected(false);
-        at(3)->setSelected(false);
-      }
-    }
-    else if ((oldMode == gen::SymmetryMode::RIGHT_DIAG || oldMode == gen::SymmetryMode::LEFT_DIAG ||
-              oldMode == gen::SymmetryMode::BOTH_DIAG) &&
-             HorV) {
-      mode = int(app::gen::SymmetryMode::ALL);
-      at(0)->setSelected(true);
-      at(1)->setSelected(true);
-      at(2)->setSelected(true);
-      at(3)->setSelected(true);
-    }
-    // Non sense symmetries filter end
-
     if (at(0)->isSelected())
       mode |= int(app::gen::SymmetryMode::HORIZONTAL);
     if (at(1)->isSelected())
@@ -1914,7 +1857,7 @@ private:
 
 class ContextBar::FontSelector : public FontEntry {
 public:
-  FontSelector(ContextBar* contextBar)
+  FontSelector(ContextBar* contextBar) : FontEntry(true) // With stroke and fill options
   {
     // Load the font from the preferences
     setInfo(FontInfo::getFromPreferences(), FontEntry::From::Init);
@@ -2616,6 +2559,11 @@ FontInfo ContextBar::fontInfo() const
   return m_fontSelector->info();
 }
 
+FontEntry* ContextBar::fontEntry()
+{
+  return m_fontSelector;
+}
+
 render::DitheringMatrix ContextBar::ditheringMatrix()
 {
   return m_ditheringSelector->ditheringMatrix();

src/app/ui/context_bar.h

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2018-2024  Igara Studio S.A.
+// Copyright (C) 2018-2025  Igara Studio S.A.
 // Copyright (C) 2001-2017  David Capello
 //
 // This program is distributed under the terms of
@@ -90,6 +90,7 @@ public:
 
   // For text tool
   FontInfo fontInfo() const;
+  FontEntry* fontEntry();
 
   // For gradients
   render::DitheringMatrix ditheringMatrix();

src/app/ui/doc_view.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2018-2024  Igara Studio S.A.
+// Copyright (C) 2018-2025  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -41,10 +41,10 @@
 #include "doc/layer.h"
 #include "doc/sprite.h"
 #include "fmt/format.h"
-#include "ui/accelerator.h"
 #include "ui/alert.h"
 #include "ui/menu.h"
 #include "ui/message.h"
+#include "ui/shortcut.h"
 #include "ui/system.h"
 #include "ui/view.h"
 
@@ -147,11 +147,11 @@ protected:
           KeyPtr rmb = keys->action(KeyAction::RightMouseButton, KeyContext::Any);
 
           // Convert action keys into mouse messages.
-          if (lmb->isPressed(msg, *keys) || rmb->isPressed(msg, *keys)) {
+          if (lmb->isPressed(msg) || rmb->isPressed(msg)) {
             MouseMessage mouseMsg(
               (msg->type() == kKeyDownMessage ? kMouseDownMessage : kMouseUpMessage),
               PointerType::Unknown,
-              (lmb->isPressed(msg, *keys) ? kButtonLeft : kButtonRight),
+              (lmb->isPressed(msg) ? kButtonLeft : kButtonRight),
               msg->modifiers(),
               mousePosInDisplay());
 

src/app/ui/editor/brush_preview.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2019-2024  Igara Studio S.A.
+// Copyright (C) 2019-2025  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -457,6 +457,8 @@ void BrushPreview::show(const gfx::Point& screenPos)
 
       // Here we re-use the cached surface
       if (!cached && m_uiLayer->surface()) {
+        m_uiLayer->surface()->clear();
+
         gfx::Rect layerBounds = m_uiLayer->surface()->bounds();
         ui::Graphics g(display, m_uiLayer->surface(), 0, 0);
 

src/app/ui/editor/delayed_mouse_move.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2022-2024  Igara Studio S.A.
+// Copyright (C) 2022-2025  Igara Studio S.A.
 //
 // This program is distributed under the terms of
 // the End-User License Agreement for Aseprite.
@@ -25,10 +25,10 @@ DelayedMouseMove::DelayedMouseMove(DelayedMouseMoveDelegate* delegate,
   : m_delegate(delegate)
   , m_editor(editor)
   , m_timer(interval)
-  , m_spritePos(std::numeric_limits<float>::min(), std::numeric_limits<float>::min())
   , m_mouseMoveReceived(false)
   , m_mouseDownPos(kNoPosReceived)
   , m_mouseDownTime(base::current_tick())
+  , m_spritePos(std::numeric_limits<float>::min(), std::numeric_limits<float>::min())
 {
   ASSERT(m_delegate);
   m_timer.Tick.connect([this] { commitMouseMove(); });

src/app/ui/editor/editor.cpp

@@ -31,6 +31,7 @@
 #include "app/tools/active_tool.h"
 #include "app/tools/controller.h"
 #include "app/tools/ink.h"
+#include "app/tools/symmetry.h"
 #include "app/tools/tool.h"
 #include "app/tools/tool_box.h"
 #include "app/ui/color_bar.h"
@@ -57,6 +58,7 @@
 #include "app/util/tile_flags_utils.h"
 #include "base/chrono.h"
 #include "base/convert_to.h"
+#include "base/scoped_value.h"
 #include "doc/doc.h"
 #include "doc/mask_boundaries.h"
 #include "doc/slice.h"
@@ -265,6 +267,23 @@ void Editor::setStateInternal(const EditorStatePtr& newState)
 {
   m_brushPreview.hide();
 
+  // Some onLeaveState impls (like the ones from MovingPixelsState,
+  // WritingTextState, MovingSelectionState) might generate a
+  // Tx/Transaction::commit(), which will add a new undo state,
+  // triggering a sprite change scripting event
+  // (SpriteEvents::onAddUndoState). This event could be handled by an
+  // extension and that extension might want to save the current
+  // sprite (e.g. calling Sprite_saveCopyAs, the kind of extension
+  // that takes snapshots after each sprite change). That will be a
+  // new Context::executeCommand() for the save command, generating a
+  // BeforeCommandExecution signal, getting back to onLeaveState
+  // again. In that case, we just ignore the reentry as the first
+  // onLeaveState should handle everything (to avoid an stack
+  // overflow/infinite recursion).
+  if (m_leavingState)
+    return;
+  base::ScopedValue leaving(m_leavingState, true);
+
   // Fire before change state event, set the state, and fire after
   // change state event.
   EditorState::LeaveAction leaveAction = m_state->onLeaveState(this, newState.get());
@@ -836,6 +855,86 @@ void Editor::drawOneSpriteUnclippedRect(ui::Graphics* g,
         m_docPref.grid.forceSection();
       }
       m_docPref.show.grid.forceDirtyFlag();
+
+      // Symmetry mode
+      if (isActive() && (m_flags & Editor::kShowSymmetryLine) &&
+          Preferences::instance().symmetryMode.enabled()) {
+        const int symmetryButtons = int(m_docPref.symmetry.mode());
+        // Symmetry::resolveMode is to calculate the right symmetry
+        // mode. This is necessary because some symmetry settings
+        // do not make sense and should be forced to 'ALL'
+        const int mode = int(tools::Symmetry::resolveMode(m_docPref.symmetry.mode()));
+        const gfx::Color color = color_utils::color_for_ui(m_docPref.grid.color());
+        const gfx::Color semiTransparentColor =
+          gfx::rgba(rgba_getr(color), rgba_getg(color), rgba_getb(color), rgba_geta(color) / 4);
+        const double x = int(m_proj.applyX<double>(m_docPref.symmetry.xAxis()));
+        const double y = int(m_proj.applyY<double>(m_docPref.symmetry.yAxis()));
+
+        if (mode & int(app::gen::SymmetryMode::HORIZONTAL) && x > 0) {
+          g->drawVLine(symmetryButtons & int(app::gen::SymmetryMode::HORIZONTAL) ?
+                         color :
+                         semiTransparentColor,
+                       enclosingRect.x + x,
+                       enclosingRect.y,
+                       enclosingRect.h);
+        }
+        if (mode & int(app::gen::SymmetryMode::VERTICAL) && y > 0) {
+          g->drawHLine(
+            symmetryButtons & int(app::gen::SymmetryMode::VERTICAL) ? color : semiTransparentColor,
+            enclosingRect.x,
+            enclosingRect.y + y,
+            enclosingRect.w);
+        }
+        if (mode & int(app::gen::SymmetryMode::RIGHT_DIAG)) {
+          // Bottom point intersection:
+          gfx::Point bottomLeft(
+            enclosingRect.x + x + m_proj.turnYinTermsOfX<int>(y - enclosingRect.h),
+            enclosingRect.y2());
+          if (bottomLeft.x < enclosingRect.x) {
+            // Left intersection
+            bottomLeft.y = enclosingRect.y2() +
+                           m_proj.turnXinTermsOfY<int>(bottomLeft.x - enclosingRect.x);
+            bottomLeft.x = enclosingRect.x;
+          }
+          // Top intersection
+          gfx::Point topRight(enclosingRect.x + x + m_proj.turnYinTermsOfX<int>(y),
+                              enclosingRect.y);
+          if (enclosingRect.x2() < topRight.x) {
+            // Right intersection
+            topRight.y = enclosingRect.y +
+                         m_proj.applyY<int>(m_proj.removeX<int>(topRight.x - enclosingRect.x2()));
+            topRight.x = enclosingRect.x2();
+          }
+          g->drawLine(symmetryButtons & int(app::gen::SymmetryMode::RIGHT_DIAG) ?
+                        color :
+                        semiTransparentColor,
+                      bottomLeft,
+                      topRight);
+        }
+        if (mode & int(app::gen::SymmetryMode::LEFT_DIAG)) {
+          // Bottom point intersection:
+          gfx::Point bottomRight(
+            enclosingRect.x + x + m_proj.turnYinTermsOfX<int>(enclosingRect.h - y),
+            enclosingRect.y2());
+          if (enclosingRect.x2() < bottomRight.x) {
+            // Left intersection
+            bottomRight.y = enclosingRect.y2() +
+                            m_proj.turnXinTermsOfY<int>(enclosingRect.x2() - bottomRight.x);
+            bottomRight.x = enclosingRect.x2();
+          }
+          // Top intersection
+          gfx::Point topLeft(enclosingRect.x + x - m_proj.turnYinTermsOfX<int>(y), enclosingRect.y);
+          if (topLeft.x < enclosingRect.x) {
+            // Right intersection
+            topLeft.y = enclosingRect.y + m_proj.turnXinTermsOfY<int>(enclosingRect.x - topLeft.x);
+            topLeft.x = enclosingRect.x;
+          }
+          g->drawLine(
+            symmetryButtons & int(app::gen::SymmetryMode::LEFT_DIAG) ? color : semiTransparentColor,
+            topLeft,
+            bottomRight);
+        }
+      }
     }
   }
 }
@@ -908,86 +1007,6 @@ void Editor::drawSpriteUnclippedRect(ui::Graphics* g, const gfx::Rect& _rc)
     enclosingRect = gfx::Rect(spriteRect.x, spriteRect.y, spriteRect.w * 3, spriteRect.h * 3);
   }
 
-  // Symmetry mode
-  if (isActive() && (m_flags & Editor::kShowSymmetryLine) &&
-      Preferences::instance().symmetryMode.enabled()) {
-    int mode = int(m_docPref.symmetry.mode());
-    if (mode & int(app::gen::SymmetryMode::HORIZONTAL)) {
-      double x = m_docPref.symmetry.xAxis();
-      if (x > 0) {
-        gfx::Color color = color_utils::color_for_ui(m_docPref.grid.color());
-        g->drawVLine(
-          color,
-          spriteRect.x + m_proj.applyX(mainTilePosition().x) + int(m_proj.applyX<double>(x)),
-          enclosingRect.y,
-          enclosingRect.h);
-      }
-    }
-    if (mode & int(app::gen::SymmetryMode::VERTICAL)) {
-      double y = m_docPref.symmetry.yAxis();
-      if (y > 0) {
-        gfx::Color color = color_utils::color_for_ui(m_docPref.grid.color());
-        g->drawHLine(
-          color,
-          enclosingRect.x,
-          spriteRect.y + m_proj.applyY(mainTilePosition().y) + int(m_proj.applyY<double>(y)),
-          enclosingRect.w);
-      }
-    }
-    if (mode & int(app::gen::SymmetryMode::RIGHT_DIAG)) {
-      double y = m_docPref.symmetry.yAxis();
-      double x = m_docPref.symmetry.xAxis();
-      gfx::Color color = color_utils::color_for_ui(m_docPref.grid.color());
-      // Bottom point intersection:
-      gfx::Point bottomLeft(
-        enclosingRect.x + m_proj.applyY(mainTilePosition().x) + int(m_proj.applyX<double>(x)) -
-          (enclosingRect.h - m_proj.applyY(mainTilePosition().y) - int(m_proj.applyY<double>(y))),
-        enclosingRect.y2());
-      if (bottomLeft.x < enclosingRect.x) {
-        // Left intersection
-        bottomLeft.y = enclosingRect.y2() - enclosingRect.x + bottomLeft.x;
-        bottomLeft.x = enclosingRect.x;
-      }
-      // Top intersection
-      gfx::Point topRight(enclosingRect.x + m_proj.applyY(mainTilePosition().x) +
-                            int(m_proj.applyX<double>(x)) + m_proj.applyY(mainTilePosition().y) +
-                            int(m_proj.applyY<double>(y)),
-                          enclosingRect.y);
-      if (enclosingRect.x2() < topRight.x) {
-        // Right intersection
-        topRight.y = enclosingRect.y + topRight.x - enclosingRect.x2();
-        topRight.x = enclosingRect.x2();
-      }
-      g->drawLine(color, bottomLeft, topRight);
-    }
-    if (mode & int(app::gen::SymmetryMode::LEFT_DIAG)) {
-      double y = m_docPref.symmetry.yAxis();
-      double x = m_docPref.symmetry.xAxis();
-      gfx::Color color = color_utils::color_for_ui(m_docPref.grid.color());
-      // Bottom point intersection:
-      gfx::Point bottomRight(
-        enclosingRect.x + m_proj.applyY(mainTilePosition().x) + int(m_proj.applyX<double>(x)) +
-          (enclosingRect.h - m_proj.applyY(mainTilePosition().y) - int(m_proj.applyX<double>(y))),
-        enclosingRect.y2());
-      if (enclosingRect.x2() < bottomRight.x) {
-        // Left intersection
-        bottomRight.y = enclosingRect.y2() - bottomRight.x + enclosingRect.x2();
-        bottomRight.x = enclosingRect.x2();
-      }
-      // Top intersection
-      gfx::Point topLeft(enclosingRect.x + m_proj.applyY(mainTilePosition().x) +
-                           int(m_proj.applyX<double>(x)) - m_proj.applyY(mainTilePosition().y) -
-                           int(m_proj.applyY<double>(y)),
-                         enclosingRect.y);
-      if (topLeft.x < enclosingRect.x) {
-        // Right intersection
-        topLeft.y = enclosingRect.y + enclosingRect.x - topLeft.x;
-        topLeft.x = enclosingRect.x;
-      }
-      g->drawLine(color, topLeft, bottomRight);
-    }
-  }
-
   // Draw active layer/cel edges
   if ((m_docPref.show.layerEdges() || m_showAutoCelGuides) &&
       // Show layer edges and possibly cel guides only on states that
@@ -2452,8 +2471,10 @@ void Editor::onTiledModeChange()
   screenPos = editorToScreen(spritePos);
 
   auto lastPoint = document()->lastDrawingPoint();
-  lastPoint += mainTilePosition() - m_oldMainTilePos;
-  document()->setLastDrawingPoint(lastPoint);
+  if (lastPoint != Doc::NoLastDrawingPoint()) {
+    lastPoint += mainTilePosition() - m_oldMainTilePos;
+    document()->setLastDrawingPoint(lastPoint);
+  }
 
   centerInSpritePoint(spritePos);
 }
@@ -2536,8 +2557,6 @@ void Editor::onBeforeLayerEditableChange(DocEvent& ev, bool newState)
 
 void Editor::setCursor(const gfx::Point& mouseDisplayPos)
 {
-  Rect vp = View::getView(this)->viewportBounds();
-
   bool used = false;
   if (m_sprite)
     used = m_state->onSetCursor(this, mouseDisplayPos);

src/app/ui/editor/editor.h

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2018-2024  Igara Studio S.A.
+// Copyright (C) 2018-2025  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -458,6 +458,13 @@ private:
 
   DocView* m_docView;
 
+  // Special flag to avoid re-entering a new state when we are leaving
+  // the current one. This avoids an infinite onLeaveState() recursion
+  // in some special cases when an extension (third-party code)
+  // creates a new sprite change in the same sprite change scripting
+  // event.
+  bool m_leavingState = false;
+
   // Last known mouse position received by this editor when the
   // mouse button was pressed. Used for auto-scrolling. To get the
   // current mouse position on the editor you can use

src/app/ui/editor/moving_slice_state.cpp

@@ -428,8 +428,8 @@ bool MovingSliceState::onMouseMove(Editor* editor, MouseMessage* msg)
   if (editor->slicesTransforms())
     drawExtraCel();
 
-  // Redraw the editor.
-  editor->invalidate();
+  // Notify changes
+  m_site.document()->notifyGeneralUpdate();
 
   // Use StandbyState implementation
   return StandbyState::onMouseMove(editor, msg);

src/app/ui/editor/pixels_movement.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2019-2024  Igara Studio S.A.
+// Copyright (C) 2019-2025  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -420,10 +420,12 @@ void PixelsMovement::moveImage(const gfx::PointF& pos, MoveModifier moveModifier
         // Now we calculate the difference from x1,y1 point and we can
         // use it to adjust all coordinates (x1, y1, x2, y2).
         bounds.setOrigin(gridOffset);
+        newTransformation.pivot(abs_initial_pivot - m_initialData.bounds().origin() + gridOffset);
       }
+      else
+        newTransformation.pivot(abs_initial_pivot + gfx::PointF(dx, dy));
 
       newTransformation.bounds(bounds);
-      newTransformation.pivot(abs_initial_pivot + gfx::PointF(dx, dy));
       break;
     }
 

src/app/ui/editor/standby_state.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2018-2024  Igara Studio S.A.
+// Copyright (C) 2018-2025  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -464,8 +464,7 @@ bool StandbyState::onKeyDown(Editor* editor, KeyMessage* msg)
       checkStartDrawingStraightLine(editor, nullptr, nullptr))
     return false;
 
-  Keys keys = KeyboardShortcuts::instance()->getDragActionsFromKeyMessage(KeyContext::MouseWheel,
-                                                                          msg);
+  Keys keys = KeyboardShortcuts::instance()->getDragActionsFromKeyMessage(msg);
   if (editor->hasMouse() && !keys.empty()) {
     // Don't enter DraggingValueState to change brush size if we are
     // in a selection-like tool

src/app/ui/editor/writing_text_state.cpp

@@ -15,6 +15,7 @@
 #include "app/commands/command.h"
 #include "app/extra_cel.h"
 #include "app/fonts/font_info.h"
+#include "app/i18n/strings.h"
 #include "app/pref/preferences.h"
 #include "app/site.h"
 #include "app/tx.h"
@@ -43,12 +44,42 @@
   #include "os/skia/skia_surface.h"
 #endif
 
+#include <cmath>
+
 namespace app {
 
 using namespace ui;
 
+// Get ui::Paint to render text from context bar options / preferences
+static ui::Paint get_paint_for_text()
+{
+  ui::Paint paint;
+  if (auto* app = App::instance()) {
+    if (auto* ctxBar = app->contextBar())
+      paint = ctxBar->fontEntry()->paint();
+  }
+  paint.color(color_utils::color_for_ui(Preferences::instance().colorBar.fgColor()));
+  return paint;
+}
+
+static gfx::RectF calc_blob_bounds(const text::TextBlobRef& blob)
+{
+  gfx::RectF bounds = get_text_blob_required_bounds(blob);
+  ui::Paint paint = get_paint_for_text();
+  if (paint.style() == ui::Paint::Style::Stroke ||
+      paint.style() == ui::Paint::Style::StrokeAndFill) {
+    bounds.enlarge(std::ceil(paint.strokeWidth()));
+  }
+  return bounds;
+}
+
 class WritingTextState::TextEditor : public Entry {
 public:
+  enum TextPreview {
+    Intermediate, // With selection preview / user interface
+    Final,        // Final to be rendered in the cel
+  };
+
   TextEditor(Editor* editor, const Site& site, const gfx::Rect& bounds)
     : Entry(4096, "")
     , m_editor(editor)
@@ -61,7 +92,7 @@ public:
     setPersistSelection(true);
 
     createExtraCel(site, bounds);
-    renderExtraCelBase();
+    renderExtraCel(TextPreview::Intermediate);
 
     FontInfo fontInfo = App::instance()->contextBar()->fontInfo();
     if (auto font = Fonts::instance()->fontFromInfo(fontInfo))
@@ -76,35 +107,37 @@ public:
 
   // Returns the extra cel with the text rendered (but without the
   // selected text highlighted).
-  ExtraCelRef extraCel()
+  ExtraCelRef extraCel(const TextPreview textPreview)
   {
-    renderExtraCelBase();
-    renderExtraCelText(false);
+    renderExtraCel(textPreview);
     return m_extraCel;
   }
 
-  void setExtraCelBounds(const gfx::Rect& bounds)
+  void setExtraCelBounds(const gfx::RectF& bounds)
   {
-    if (bounds.w != m_extraCel->image()->width() || bounds.h != m_extraCel->image()->height()) {
+    doc::Image* extraImg = m_extraCel->image();
+    if (!extraImg || std::ceil(bounds.w) != extraImg->width() ||
+        std::ceil(bounds.h) != extraImg->height()) {
       createExtraCel(m_editor->getSite(), bounds);
     }
     else {
+      m_baseBounds = bounds;
       m_extraCel->cel()->setBounds(bounds);
     }
-    renderExtraCelBase();
-    renderExtraCelText(true);
+    renderExtraCel(TextPreview::Intermediate);
   }
 
-  obs::signal<void(const gfx::Size&)> NewRequiredBounds;
+  obs::signal<void(const gfx::RectF&)> NewRequiredBounds;
 
 private:
   void createExtraCel(const Site& site, const gfx::Rect& bounds)
   {
+    m_baseBounds = bounds;
     m_extraCel->create(ExtraCel::Purpose::TextPreview,
                        site.tilemapMode(),
                        site.sprite(),
                        bounds,
-                       bounds.size(),
+                       gfx::Size(std::ceil(bounds.w), std::ceil(bounds.h)),
                        site.frame(),
                        255);
 
@@ -175,7 +208,7 @@ private:
 
     // Notify that we could make the text editor bigger to show this
     // text blob.
-    NewRequiredBounds(get_text_blob_required_size(blob));
+    NewRequiredBounds(calc_blob_bounds(blob));
   }
 
   void onPaint(PaintEvent& ev) override
@@ -204,8 +237,7 @@ private:
       }
 
       // Render extra cel with text + selected text
-      renderExtraCelBase();
-      renderExtraCelText(true);
+      renderExtraCel(TextPreview::Intermediate);
       m_doc->setExtraCel(m_extraCel);
 
       // Paint caret
@@ -226,62 +258,80 @@ private:
     }
   }
 
-  void renderExtraCelBase()
+  void renderExtraCel(const TextPreview textPreview)
   {
-    auto extraImg = m_extraCel->image();
-    extraImg->clear(extraImg->maskColor());
-    render::Render().renderLayer(extraImg,
-                                 m_editor->layer(),
-                                 m_editor->frame(),
-                                 gfx::Clip(0, 0, m_extraCel->cel()->bounds()),
-                                 doc::BlendMode::SRC);
-  }
+    doc::Image* extraImg = m_extraCel->image();
+    ASSERT(extraImg);
+    if (!extraImg)
+      return;
 
-  void renderExtraCelText(const bool withSelection)
-  {
-    const auto textColor = color_utils::color_for_image(Preferences::instance().colorBar.fgColor(),
-                                                        IMAGE_RGB);
+    extraImg->clear(extraImg->maskColor());
 
     text::TextBlobRef blob = textBlob();
-    if (!blob)
-      return;
+    doc::ImageRef blobImage;
+    gfx::RectF bounds;
+    if (blob) {
+      const ui::Paint paint = get_paint_for_text();
+      bounds = calc_blob_bounds(blob);
+      blobImage = render_text_blob(blob, bounds, get_paint_for_text());
+      if (!blobImage)
+        return;
 
-    doc::ImageRef image = render_text_blob(blob, textColor);
-    if (!image)
-      return;
+      // Invert selected range in the image
+      if (textPreview == TextPreview::Intermediate) {
+        Range range;
+        getEntryThemeInfo(nullptr, nullptr, nullptr, &range);
+        if (!range.isEmpty()) {
+          gfx::RectF selectedBounds = getCharBoxBounds(range.from) | getCharBoxBounds(range.to - 1);
 
-    // Invert selected range in the image
-    if (withSelection) {
-      Range range;
-      getEntryThemeInfo(nullptr, nullptr, nullptr, &range);
-      if (!range.isEmpty()) {
-        gfx::RectF selectedBounds = getCharBoxBounds(range.from) | getCharBoxBounds(range.to - 1);
+          if (!selectedBounds.isEmpty()) {
+            selectedBounds.offset(-bounds.origin());
 
-        if (!selectedBounds.isEmpty()) {
 #ifdef LAF_SKIA
-          sk_sp<SkSurface> skSurface = wrap_docimage_in_sksurface(image.get());
-          os::SurfaceRef surface = base::make_ref<os::SkiaSurface>(skSurface);
+            sk_sp<SkSurface> skSurface = wrap_docimage_in_sksurface(blobImage.get());
+            os::SurfaceRef surface = base::make_ref<os::SkiaSurface>(skSurface);
 
-          os::Paint paint;
-          paint.blendMode(os::BlendMode::Xor);
-          paint.color(textColor);
-          surface->drawRect(selectedBounds, paint);
+            os::Paint paint2 = paint;
+            paint2.blendMode(os::BlendMode::Xor);
+            paint2.style(os::Paint::Style::Fill);
+            surface->drawRect(selectedBounds, paint2);
 #endif // LAF_SKIA
+          }
         }
       }
     }
 
-    doc::blend_image(m_extraCel->image(),
-                     image.get(),
-                     gfx::Clip(image->bounds().size()),
-                     m_doc->sprite()->palette(m_editor->frame()),
-                     255,
-                     doc::BlendMode::NORMAL);
+    doc::Cel* extraCel = m_extraCel->cel();
+    ASSERT(extraCel);
+    if (!extraCel)
+      return;
+
+    extraCel->setPosition(m_baseBounds.x + bounds.x, m_baseBounds.y + bounds.y);
+
+    render::Render().renderLayer(extraImg,
+                                 m_editor->layer(),
+                                 m_editor->frame(),
+                                 gfx::Clip(0, 0, extraCel->bounds()),
+                                 doc::BlendMode::SRC);
+
+    if (blobImage) {
+      doc::blend_image(extraImg,
+                       blobImage.get(),
+                       gfx::Clip(blobImage->bounds().size()),
+                       m_doc->sprite()->palette(m_editor->frame()),
+                       255,
+                       doc::BlendMode::NORMAL);
+    }
   }
 
   Editor* m_editor;
   Doc* m_doc;
   ExtraCelRef m_extraCel;
+
+  // Initial bounds for the entry field. This can be modified later to
+  // render the text in case some initial letter/glyph needs some
+  // extra room at the left side.
+  gfx::Rect m_baseBounds;
 };
 
 WritingTextState::WritingTextState(Editor* editor, const gfx::Rect& bounds)
@@ -297,10 +347,10 @@ WritingTextState::WritingTextState(Editor* editor, const gfx::Rect& bounds)
   m_fontChangeConn =
     App::instance()->contextBar()->FontChange.connect(&WritingTextState::onFontChange, this);
 
-  m_entry->NewRequiredBounds.connect([this](const gfx::Size& blobSize) {
-    if (m_bounds.w < blobSize.w || m_bounds.h < blobSize.h) {
-      m_bounds.w = std::max(m_bounds.w, blobSize.w);
-      m_bounds.h = std::max(m_bounds.h, blobSize.h);
+  m_entry->NewRequiredBounds.connect([this](const gfx::RectF& blobBounds) {
+    if (m_bounds.w < blobBounds.w || m_bounds.h < blobBounds.h) {
+      m_bounds.w = std::max(m_bounds.w, blobBounds.w);
+      m_bounds.h = std::max(m_bounds.h, blobBounds.h);
       m_entry->setExtraCelBounds(m_bounds);
       m_entry->setBounds(calcEntryBounds());
     }
@@ -373,11 +423,11 @@ void WritingTextState::onCommitMouseMove(Editor* editor, const gfx::PointF& spri
   if (!m_movingBounds)
     return;
 
-  gfx::Point delta(spritePos - m_cursorStart);
+  gfx::PointF delta(spritePos - m_cursorStart);
   if (delta.x == 0 && delta.y == 0)
     return;
 
-  m_bounds.setOrigin(gfx::Point(delta + m_boundsOrigin));
+  m_bounds.setOrigin(delta + m_boundsOrigin);
   m_entry->setExtraCelBounds(m_bounds);
   m_entry->setBounds(calcEntryBounds());
 }
@@ -393,12 +443,7 @@ bool WritingTextState::onSetCursor(Editor* editor, const gfx::Point& mouseScreen
   return true;
 }
 
-bool WritingTextState::onKeyDown(Editor*, KeyMessage*)
-{
-  return false;
-}
-
-bool WritingTextState::onKeyUp(Editor*, KeyMessage* msg)
+bool WritingTextState::onKeyDown(Editor*, KeyMessage* msg)
 {
   // Cancel loop pressing Esc key
   if (msg->scancode() == ui::kKeyEsc) {
@@ -407,7 +452,17 @@ bool WritingTextState::onKeyUp(Editor*, KeyMessage* msg)
   // Drop text pressing Enter key
   else if (msg->scancode() == ui::kKeyEnter) {
     drop();
+    return true;
   }
+  return false;
+}
+
+bool WritingTextState::onKeyUp(Editor*, KeyMessage* msg)
+{
+  // Note: We cannot process kKeyEnter key here to drop the text as it
+  // could be received after the Enter key is pressed in the IME
+  // dialog to accept the composition (not to accept the text). So we
+  // process kKeyEnter in onKeyDown().
   return true;
 }
 
@@ -460,8 +515,8 @@ EditorState::LeaveAction WritingTextState::onLeaveState(Editor* editor, EditorSt
       // Paints the text in the active layer/sprite creating an
       // undoable transaction.
       Site site = m_editor->getSite();
-      ExtraCelRef extraCel = m_entry->extraCel();
-      Tx tx(site.document(), "Text Tool");
+      ExtraCelRef extraCel = m_entry->extraCel(TextEditor::Final);
+      Tx tx(site.document(), Strings::tools_text());
       ExpandCelCanvas expand(site, site.layer(), TiledMode::NONE, tx, ExpandCelCanvas::None);
 
       expand.validateDestCanvas(gfx::Region(extraCel->cel()->bounds()));
@@ -512,7 +567,7 @@ void WritingTextState::onFontChange(const FontInfo& fontInfo, FontEntry::From fr
 
     // This is useful to show changes to the anti-alias option
     // immediately.
-    auto dummy = m_entry->extraCel();
+    auto dummy = m_entry->extraCel(TextEditor::Intermediate);
 
     if (fromField == FontEntry::From::Popup) {
       if (m_entry)

src/app/ui/editor/writing_text_state.h

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (c) 2022-2024  Igara Studio S.A.
+// Copyright (c) 2022-2025  Igara Studio S.A.
 //
 // This program is distributed under the terms of
 // the End-User License Agreement for Aseprite.
@@ -59,7 +59,7 @@ private:
 
   DelayedMouseMove m_delayedMouseMove;
   Editor* m_editor;
-  gfx::Rect m_bounds;
+  gfx::RectF m_bounds;
   std::unique_ptr<TextEditor> m_entry;
 
   // True if the text was discarded.
@@ -71,7 +71,7 @@ private:
   bool m_mouseMoveReceived = false;
   bool m_movingBounds = false;
   gfx::PointF m_cursorStart;
-  gfx::Point m_boundsOrigin;
+  gfx::PointF m_boundsOrigin;
 
   obs::scoped_connection m_beforeCmdConn;
   obs::scoped_connection m_fontChangeConn;

src/app/ui/export_file_window.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2019-2024  Igara Studio S.A.
+// Copyright (C) 2019-2025  Igara Studio S.A.
 // Copyright (C) 2018  David Capello
 //
 // This program is distributed under the terms of
@@ -46,7 +46,7 @@ ExportFileWindow::ExportFileWindow(const Doc* doc)
     base = base::join_path(basePath, base::get_file_title(base));
 
     std::string newFn = base::replace_extension(base, defaultExtension());
-    if (newFn == base) {
+    if (newFn == base::replace_extension(base, base::get_file_extension(doc->filename()))) {
       newFn = base::join_path(
         base::get_file_path(newFn),
         base::get_file_title(newFn) + "-export." + base::get_file_extension(newFn));

src/app/ui/file_list.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2019-2024  Igara Studio S.A.
+// Copyright (C) 2019-2025  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -18,6 +18,7 @@
 #include "base/time.h"
 #include "os/surface.h"
 #include "text/font.h"
+#include "text/font_metrics.h"
 #include "ui/ui.h"
 
 #include <algorithm>
@@ -44,6 +45,7 @@ FileList::FileList()
   , m_multiselect(false)
   , m_zoom(1.0)
   , m_itemsPerRow(0)
+  , m_showHidden(Preferences::instance().fileSelector.showHidden())
 {
   setFocusStop(true);
   setDoubleBuffered(true);
@@ -172,6 +174,14 @@ void FileList::animateToZoom(const double zoom)
   startAnimation(ANI_ZOOM, 10);
 }
 
+void FileList::setShowHidden(const bool show)
+{
+  m_showHidden = show;
+  m_req_valid = false;
+  m_selected = nullptr;
+  regenerateList();
+}
+
 bool FileList::onProcessMessage(Message* msg)
 {
   switch (msg->type()) {
@@ -401,7 +411,6 @@ void FileList::onPaint(ui::PaintEvent& ev)
   gfx::Rect bounds = clientBounds();
 
   g->fillRect(theme->colors.background(), bounds);
-  // g->fillRect(bgcolor, gfx::Rect(bounds.x, y, bounds.w, itemSize.h));
 
   int i = 0, selectedIndex = -1;
   for (IFileItem* fi : m_list) {
@@ -506,17 +515,28 @@ void FileList::paintItem(ui::Graphics* g, IFileItem* fi, const int i)
 
   // item name
   if (isIconView() && textBounds.w > info.bounds.w) {
-    g->drawAlignedUIText(fi->displayName().c_str(),
+    g->drawAlignedUIText(fi->displayName(),
                          fgcolor,
                          bgcolor,
                          (textBounds & gfx::Rect(info.bounds).shrink(2 * guiscale())),
                          ui::CENTER | ui::TOP | ui::CHARWRAP);
   }
   else {
-    g->drawText(fi->displayName().c_str(),
-                fgcolor,
-                bgcolor,
-                gfx::Point(textBounds.x + 2 * guiscale(), textBounds.y + 2 * guiscale()));
+    auto blob = text::TextBlob::MakeWithShaper(theme->fontMgr(), font(), fi->displayName());
+    if (blob) {
+      Paint paint;
+      paint.color(fgcolor);
+      paint.style(os::Paint::Fill);
+
+      text::FontMetrics metrics;
+      font()->metrics(&metrics);
+      const float baselineDelta = -metrics.ascent - blob->baseline();
+
+      g->drawTextBlob(
+        blob,
+        gfx::PointF(textBounds.x + 2 * guiscale(), textBounds.y + 2 * guiscale() + baselineDelta),
+        paint);
+    }
   }
 
   // Draw thumbnail progress bar
@@ -814,7 +834,7 @@ void FileList::regenerateList()
     for (FileItemList::iterator it = m_list.begin(); it != m_list.end();) {
       IFileItem* fileitem = *it;
 
-      if (fileitem->isHidden())
+      if (fileitem->isHidden() && !m_showHidden)
         it = m_list.erase(it);
       else if (!fileitem->isFolder() && !fileitem->hasExtension(m_exts)) {
         it = m_list.erase(it);