aseprite/src/context_flags.cpp

91 lines
2.3 KiB
C++

/* ASEPRITE
* Copyright (C) 2001-2012 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 "context_flags.h"
#include "context.h"
#include "document.h"
#include "raster/cel.h"
#include "raster/layer.h"
#include "raster/sprite.h"
#include "raster/stock.h"
ContextFlags::ContextFlags()
{
m_flags = 0;
}
void ContextFlags::update(Context* context)
{
Document* document = context->getActiveDocument();
m_flags = 0;
if (document) {
m_flags |= HasActiveDocument;
if (document->lock(Document::ReadLock)) {
m_flags |= ActiveDocumentIsReadable;
if (document->isMaskVisible())
m_flags |= HasVisibleMask;
Sprite* sprite = document->getSprite();
if (sprite) {
m_flags |= HasActiveSprite;
if (sprite->getBackgroundLayer())
m_flags |= HasBackgroundLayer;
Layer* layer = sprite->getCurrentLayer();
if (layer) {
m_flags |= HasActiveLayer;
if (layer->is_background())
m_flags |= ActiveLayerIsBackground;
if (layer->is_readable())
m_flags |= ActiveLayerIsReadable;
if (layer->is_writable())
m_flags |= ActiveLayerIsWritable;
if (layer->is_image()) {
m_flags |= ActiveLayerIsImage;
Cel* cel = static_cast<LayerImage*>(layer)->getCel(sprite->getCurrentFrame());
if (cel) {
m_flags |= HasActiveCel;
if (sprite->getStock()->getImage(cel->getImage()))
m_flags |= HasActiveImage;
}
}
}
}
if (document->lockToWrite())
m_flags |= ActiveDocumentIsWritable;
document->unlock();
}
}
}