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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.
*
* $URL$
* $Id$
*
*/
/*
* This code is based on Broken Sword 2.5 engine
*
* Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdoerfer
*
* Licensed under GNU GPL v2
*
*/
#include "sword25/gfx/image/imageloader.h"
#include "sword25/gfx/image/pngloader.h"
DECLARE_SINGLETON(Sword25::ImageLoaderManager)
namespace Sword25 {
#define BS_LOG_PREFIX "IMAGELOADER"
bool ImageLoaderManager::loadImage(const byte *pFileData, uint fileSize,
GraphicEngine::COLOR_FORMATS colorFormat,
byte *&pUncompressedData,
int &width, int &height,
int &pitch) {
// Find a suitable ImageLoader and decode the image
ImageLoader *pLoader = findSuitableImageLoader(pFileData, fileSize);
if (pLoader) {
return pLoader->decodeImage(pFileData, fileSize,
colorFormat,
pUncompressedData,
width, height,
pitch);
}
return false;
}
bool ImageLoaderManager::extractImageProperties(const byte *pFileData, uint fileSize,
GraphicEngine::COLOR_FORMATS &colorFormat,
int &width, int &height) {
// Find a suitable ImageLoader and extra the image properties
ImageLoader *pLoader = findSuitableImageLoader(pFileData, fileSize);
if (pLoader) {
return pLoader->imageProperties(pFileData, fileSize,
colorFormat,
width, height);
}
return false;
}
ImageLoaderManager::ImageLoaderManager() {
_imageLoaderList.push_back(new PNGLoader());
}
ImageLoaderManager::~ImageLoaderManager() {
while (!_imageLoaderList.empty()) {
delete _imageLoaderList.back();
_imageLoaderList.pop_back();
}
}
ImageLoader *ImageLoaderManager::findSuitableImageLoader(const byte *pFileData, uint fileSize) {
// Iterate over all registered ImageLoader instances until we find
// one that supports the image.
Common::List<ImageLoader *>::iterator iter = _imageLoaderList.begin();
for (; iter != _imageLoaderList.end(); ++iter) {
if ((*iter)->isCorrectImageFormat(pFileData, fileSize)) {
return (*iter);
}
}
// No suitable ImageLoader was found :-(
BS_LOG_ERRORLN("Could not find suitable image loader for image data.");
return NULL;
}
} // End of namespace Sword25
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