aseprite/src/app/commands/cmd_background_from_layer.cpp

90 lines
2.8 KiB
C++

/* Aseprite
* Copyright (C) 2001-2013 David Capello
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "app/color_utils.h"
#include "app/commands/command.h"
#include "app/context_access.h"
#include "app/document_api.h"
#include "app/document_location.h"
#include "app/modules/gui.h"
#include "app/settings/settings.h"
#include "app/ui/color_bar.h"
#include "app/undo_transaction.h"
#include "raster/layer.h"
#include "raster/sprite.h"
namespace app {
class BackgroundFromLayerCommand : public Command {
public:
BackgroundFromLayerCommand();
Command* clone() const { return new BackgroundFromLayerCommand(*this); }
protected:
bool onEnabled(Context* context);
void onExecute(Context* context);
};
BackgroundFromLayerCommand::BackgroundFromLayerCommand()
: Command("BackgroundFromLayer",
"BackgroundFromLayer",
CmdRecordableFlag)
{
}
bool BackgroundFromLayerCommand::onEnabled(Context* context)
{
return
context->checkFlags(ContextFlags::ActiveDocumentIsWritable |
ContextFlags::ActiveLayerIsReadable |
ContextFlags::ActiveLayerIsWritable |
ContextFlags::HasActiveImage) &&
// Doesn't have a background layer
!context->checkFlags(ContextFlags::HasBackgroundLayer);
}
void BackgroundFromLayerCommand::onExecute(Context* context)
{
ContextWriter writer(context);
Document* document(writer.document());
Sprite* sprite(writer.sprite());
// each frame of the layer to be converted as `Background' must be
// cleared using the selected background color in the color-bar
int bgcolor = color_utils::color_for_image(context->getSettings()->getBgColor(), sprite->getPixelFormat());
bgcolor = color_utils::fixup_color_for_background(sprite->getPixelFormat(), bgcolor);
{
UndoTransaction undo_transaction(writer.context(), "Background from Layer");
document->getApi().backgroundFromLayer(static_cast<LayerImage*>(writer.layer()), bgcolor);
undo_transaction.commit();
}
update_screen_for_document(document);
}
Command* CommandFactory::createBackgroundFromLayerCommand()
{
return new BackgroundFromLayerCommand;
}
} // namespace app