mirror of
https://github.com/aseprite/aseprite.git
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122 lines
3.5 KiB
C++
122 lines
3.5 KiB
C++
/* ASE - Allegro Sprite Editor
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* Copyright (C) 2001-2010 David Capello
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include "commands/command.h"
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#include "commands/commands.h"
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#include "modules/gui.h"
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#include "raster/image.h"
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#include "raster/mask.h"
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#include "raster/sprite.h"
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#include "raster/undo.h"
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#include "sprite_wrappers.h"
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//////////////////////////////////////////////////////////////////////
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// invert_mask
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class InvertMaskCommand : public Command
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{
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public:
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InvertMaskCommand();
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Command* clone() { return new InvertMaskCommand(*this); }
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protected:
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bool enabled(Context* context);
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void execute(Context* context);
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};
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InvertMaskCommand::InvertMaskCommand()
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: Command("invert_mask",
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"Invert Mask",
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CmdRecordableFlag)
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{
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}
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bool InvertMaskCommand::enabled(Context* context)
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{
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const CurrentSpriteReader sprite(context);
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return sprite != NULL;
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}
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void InvertMaskCommand::execute(Context* context)
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{
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bool has_mask = false;
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{
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const CurrentSpriteReader sprite(context);
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if (sprite->getMask()->bitmap)
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has_mask = true;
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}
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// without mask?...
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if (!has_mask) {
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// so we select all
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Command* mask_all_cmd =
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CommandsModule::instance()->get_command_by_name(CommandId::mask_all);
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context->execute_command(mask_all_cmd);
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}
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// invert the current mask
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else {
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CurrentSpriteWriter sprite(context);
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/* undo */
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if (undo_is_enabled(sprite->getUndo())) {
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undo_set_label(sprite->getUndo(), "Mask Invert");
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undo_set_mask(sprite->getUndo(), sprite);
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}
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/* create a new mask */
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Mask* mask = mask_new();
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/* select all the sprite area */
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mask_replace(mask, 0, 0, sprite->getWidth(), sprite->getHeight());
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/* remove in the new mask the current sprite marked region */
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image_rectfill(mask->bitmap,
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sprite->getMask()->x, sprite->getMask()->y,
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sprite->getMask()->x + sprite->getMask()->w-1,
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sprite->getMask()->y + sprite->getMask()->h-1, 0);
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/* invert the current mask in the sprite */
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mask_invert(sprite->getMask());
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if (sprite->getMask()->bitmap) {
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/* copy the inverted region in the new mask */
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image_copy(mask->bitmap, sprite->getMask()->bitmap,
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sprite->getMask()->x, sprite->getMask()->y);
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}
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/* we need only need the area inside the sprite */
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mask_intersect(mask, 0, 0, sprite->getWidth(), sprite->getHeight());
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/* set the new mask */
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sprite->setMask(mask);
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mask_free(mask);
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sprite->generateMaskBoundaries();
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update_screen_for_sprite(sprite);
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}
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}
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//////////////////////////////////////////////////////////////////////
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// CommandFactory
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Command* CommandFactory::create_invert_mask_command()
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{
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return new InvertMaskCommand;
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}
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