mirror of https://github.com/aseprite/aseprite.git
107 lines
2.7 KiB
C++
107 lines
2.7 KiB
C++
// Aseprite
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// Copyright (C) 2019 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/cmd/set_mask.h"
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#include "app/commands/command.h"
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#include "app/commands/commands.h"
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#include "app/context_access.h"
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#include "app/modules/gui.h"
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#include "app/tx.h"
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#include "doc/image.h"
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#include "doc/mask.h"
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#include "doc/primitives.h"
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#include "doc/sprite.h"
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namespace app {
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class InvertMaskCommand : public Command {
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public:
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InvertMaskCommand();
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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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InvertMaskCommand::InvertMaskCommand() : Command(CommandId::InvertMask())
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{
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}
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bool InvertMaskCommand::onEnabled(Context* context)
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{
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return context->checkFlags(ContextFlags::ActiveDocumentIsWritable |
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ContextFlags::HasActiveSprite);
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}
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void InvertMaskCommand::onExecute(Context* context)
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{
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bool hasMask = false;
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{
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const ContextReader reader(context);
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if (reader.document()->isMaskVisible())
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hasMask = true;
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}
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// without mask?...
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if (!hasMask) {
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// so we select all
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Command* mask_all_cmd = Commands::instance()->byId(CommandId::MaskAll());
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context->executeCommand(mask_all_cmd);
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}
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// invert the current mask
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else {
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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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// Select all the sprite area
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std::unique_ptr<Mask> mask(new Mask());
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mask->replace(sprite->bounds());
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// Remove in the new mask the current sprite marked region
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const gfx::Rect& maskBounds = document->mask()->bounds();
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doc::fill_rect(mask->bitmap(),
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maskBounds.x,
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maskBounds.y,
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maskBounds.x + maskBounds.w - 1,
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maskBounds.y + maskBounds.h - 1,
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0);
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Mask* curMask = document->mask();
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if (curMask->bitmap()) {
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// Copy the inverted region in the new mask (we just modify the
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// document's mask temporaly here)
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curMask->freeze();
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curMask->invert();
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doc::copy_image(mask->bitmap(), curMask->bitmap(), curMask->bounds().x, curMask->bounds().y);
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curMask->invert();
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curMask->unfreeze();
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}
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// We need only need the area inside the sprite
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mask->intersect(sprite->bounds());
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// Set the new mask
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Tx tx(writer, "Mask Invert", DoesntModifyDocument);
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tx(new cmd::SetMask(document, mask.get()));
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tx.commit();
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update_screen_for_document(document);
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}
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}
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Command* CommandFactory::createInvertMaskCommand()
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{
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return new InvertMaskCommand;
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}
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} // namespace app
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