mirror of https://github.com/aseprite/aseprite.git
98 lines
2.6 KiB
C++
98 lines
2.6 KiB
C++
// Aseprite
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// Copyright (C) 2019-2020 Igara Studio S.A.
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// Copyright (C) 2001-2018 David Capello
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//
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// This program is distributed under the terms of
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// the End-User License Agreement for Aseprite.
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "app/app.h"
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#include "app/cmd/flatten_layers.h"
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#include "app/commands/command.h"
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#include "app/context_access.h"
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#include "app/doc.h"
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#include "app/doc_api.h"
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#include "app/doc_range.h"
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#include "app/modules/gui.h"
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#include "app/pref/preferences.h"
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#include "app/tx.h"
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#include "doc/blend_internals.h"
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#include "doc/layer.h"
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#include "doc/sprite.h"
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#include "ui/ui.h"
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namespace app {
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class MergeDownLayerCommand : public Command {
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public:
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MergeDownLayerCommand();
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protected:
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bool onEnabled(Context* context) override;
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void onExecute(Context* context) override;
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};
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MergeDownLayerCommand::MergeDownLayerCommand() : Command(CommandId::MergeDownLayer())
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{
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}
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bool MergeDownLayerCommand::onEnabled(Context* context)
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{
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if (!context->checkFlags(ContextFlags::ActiveDocumentIsWritable | ContextFlags::HasActiveSprite))
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return false;
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const ContextReader reader(context);
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const Sprite* sprite(reader.sprite());
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if (!sprite)
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return false;
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const Layer* src_layer = reader.layer();
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if (!src_layer || !src_layer->isImage() || src_layer->isTilemap()) // TODO Add support to merge
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// tilemaps (and groups!)
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return false;
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const Layer* dst_layer = src_layer->getPrevious();
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if (!dst_layer || !dst_layer->isImage() || dst_layer->isTilemap()) // TODO Add support to merge
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// tilemaps
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return false;
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return true;
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}
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void MergeDownLayerCommand::onExecute(Context* context)
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{
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ContextWriter writer(context);
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Doc* document(writer.document());
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Sprite* sprite(writer.sprite());
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LayerImage* src_layer = static_cast<LayerImage*>(writer.layer());
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Layer* dst_layer = src_layer->getPrevious();
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Tx tx(writer, friendlyName(), ModifyDocument);
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DocRange range;
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range.selectLayer(writer.layer());
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range.selectLayer(dst_layer);
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const bool newBlend = Preferences::instance().experimental.newBlend();
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cmd::FlattenLayers::Options options;
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options.newBlendMethod = newBlend;
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options.inplace = true;
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options.mergeDown = true;
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options.dynamicCanvas = true;
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tx(new cmd::FlattenLayers(sprite, range.selectedLayers(), options));
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tx.commit();
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update_screen_for_document(document);
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}
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Command* CommandFactory::createMergeDownLayerCommand()
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{
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return new MergeDownLayerCommand;
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}
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} // namespace app
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