aseprite/src/app/commands/cmd_duplicate_slice.cpp

122 lines
3.0 KiB
C++

// 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/cmd/add_slice.h"
#include "app/commands/command.h"
#include "app/context.h"
#include "app/context_access.h"
#include "app/context_flags.h"
#include "app/i18n/strings.h"
#include "app/site.h"
#include "app/tx.h"
#include "app/ui/status_bar.h"
#include "app/util/slice_utils.h"
#include "base/convert_to.h"
#include "doc/object_id.h"
#include "doc/slice.h"
namespace app {
// Moves the given slice by the dx and dy values
void offset(Slice* slice, int dx, int dy)
{
for (auto it = slice->begin(); it != slice->end(); ++it) {
auto* sk = (*it).value();
gfx::Rect bounds = sk->bounds();
bounds.offset(gfx::Point{ dx, dy });
sk->setBounds(bounds);
}
}
class DuplicateSliceCommand : public Command {
public:
DuplicateSliceCommand();
protected:
void onLoadParams(const Params& params) override;
bool onEnabled(Context* context) override;
void onExecute(Context* context) override;
private:
ObjectId m_sliceId;
};
DuplicateSliceCommand::DuplicateSliceCommand() : Command(CommandId::DuplicateSlice())
{
}
void DuplicateSliceCommand::onLoadParams(const Params& params)
{
std::string id = params.get("id");
if (!id.empty())
m_sliceId = ObjectId(base::convert_to<doc::ObjectId>(id));
else
m_sliceId = NullId;
}
bool DuplicateSliceCommand::onEnabled(Context* context)
{
return context->checkFlags(ContextFlags::ActiveDocumentIsWritable |
ContextFlags::HasActiveSprite | ContextFlags::HasActiveLayer);
}
void DuplicateSliceCommand::onExecute(Context* context)
{
std::vector<Slice*> selectedSlices;
{
const ContextReader reader(context);
if (m_sliceId == NullId) {
selectedSlices = get_selected_slices(reader.site());
if (selectedSlices.empty())
return;
}
else
selectedSlices.push_back(reader.sprite()->slices().getById(m_sliceId));
}
ContextWriter writer(context);
Tx tx(writer, "Duplicate Slice");
Sprite* sprite = writer.site().sprite();
Doc* doc = static_cast<Doc*>(sprite->document());
doc->notifyBeforeSlicesDuplication();
for (auto* s : selectedSlices) {
Slice* slice = new Slice(*s);
slice->setName(Strings::general_copy_of(slice->name()));
// Offset a bit the duplicated slice to avoid overlapping
offset(slice, 2, 2);
tx(new cmd::AddSlice(sprite, slice));
doc->notifySliceDuplicated(slice);
}
tx.commit();
std::string sliceName;
if (selectedSlices.size() == 1)
sliceName = selectedSlices[0]->name();
StatusBar::instance()->invalidate();
if (!sliceName.empty()) {
StatusBar::instance()->showTip(1000, Strings::duplicate_slice_x_duplicated(sliceName));
}
else {
StatusBar::instance()->showTip(
1000,
Strings::duplicate_slice_n_slices_duplicated(selectedSlices.size()));
}
}
Command* CommandFactory::createDuplicateSliceCommand()
{
return new DuplicateSliceCommand;
}
} // namespace app