aseprite/src/commands/cmd_layer_from_background.cpp

81 lines
2.3 KiB
C++

/* ASE - Allegro Sprite Editor
* Copyright (C) 2001-2010 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
*/
#include "config.h"
#include "gui/jinete.h"
#include "commands/command.h"
#include "modules/gui.h"
#include "raster/layer.h"
#include "undoable.h"
#include "sprite_wrappers.h"
//////////////////////////////////////////////////////////////////////
// layer_from_background
class LayerFromBackgroundCommand : public Command
{
public:
LayerFromBackgroundCommand();
Command* clone() { return new LayerFromBackgroundCommand(*this); }
protected:
bool onEnabled(Context* context);
void onExecute(Context* context);
};
LayerFromBackgroundCommand::LayerFromBackgroundCommand()
: Command("layer_from_background",
"Layer From Background",
CmdRecordableFlag)
{
}
bool LayerFromBackgroundCommand::onEnabled(Context* context)
{
const CurrentSpriteReader sprite(context);
return
sprite &&
sprite->getCurrentLayer() &&
sprite->getCurrentLayer()->is_image() &&
sprite->getCurrentLayer()->is_readable() &&
sprite->getCurrentLayer()->is_writable() &&
sprite->getCurrentLayer()->is_background();
}
void LayerFromBackgroundCommand::onExecute(Context* context)
{
CurrentSpriteWriter sprite(context);
{
Undoable undoable(sprite, "Layer from Background");
undoable.layerFromBackground();
undoable.commit();
}
update_screen_for_sprite(sprite);
}
//////////////////////////////////////////////////////////////////////
// CommandFactory
Command* CommandFactory::create_layer_from_background_command()
{
return new LayerFromBackgroundCommand;
}