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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*/
#include "backends/vkeybd/imageman.h"
#include "graphics/imagedec.h"
#include "graphics/surface.h"
#include "common/unzip.h"
DECLARE_SINGLETON(Graphics::ImageManager);
namespace Graphics {
ImageManager::ImageManager() {
}
ImageManager::~ImageManager() {
for (Iterator pos = _surfaces.begin(); pos != _surfaces.end(); ++pos) {
(*pos)->surface->free();
delete (*pos)->surface;
delete *pos;
*pos = 0;
}
_surfaces.clear();
}
bool ImageManager::addArchive(const Common::String &name) {
#ifdef USE_ZLIB
Common::ZipArchive *arch = new Common::ZipArchive(name);
if (!arch || !arch->isOpen())
return false;
_archives.add(name, arch);
#endif
return true;
}
void ImageManager::removeArchive(const Common::String &name) {
#ifdef USE_ZLIB
_archives.remove(name);
#endif
}
bool ImageManager::registerSurface(const Common::String &name, Surface *surf) {
if (getSurface(name)) {
return false;
}
Entry *newHandle = new Entry;
if (!newHandle)
return false;
if (!surf)
surf = ImageDecoder::loadFile(name);
#ifdef USE_ZLIB
if (!surf) {
Common::SeekableReadStream *stream = _archives.openFile(name);
if (stream) {
surf = ImageDecoder::loadFile(*stream);
delete stream;
}
}
#endif
if (!surf)
return false;
newHandle->surface = surf;
newHandle->name = name;
_surfaces.push_back(newHandle);
return true;
}
bool ImageManager::unregisterSurface(const Common::String &name) {
Iterator pos = searchHandle(name);
if (pos == _surfaces.end()) {
// no surface handle it as success
return true;
}
(*pos)->surface->free();
delete (*pos)->surface;
delete *pos;
*pos = 0;
_surfaces.erase(pos);
return true;
}
Surface * ImageManager::getSurface(const Common::String &name) {
Iterator pos = searchHandle(name);
if (pos == _surfaces.end()) {
// no surface handle it as success
return 0;
}
return (*pos)->surface;
}
ImageManager::Iterator ImageManager::searchHandle(const Common::String &name) {
Iterator pos = _surfaces.begin();
while (pos != _surfaces.end()) {
if ((*pos)->name == name)
break;
++pos;
}
return pos;
}
} // end of namespace Graphics
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