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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/package/packagemanager.h"
#include "sword25/gfx/image/pngloader.h"
#include "sword25/gfx/image/swimage.h"
namespace Sword25 {
SWImage::SWImage(const Common::String &filename, bool &result) :
_imageDataPtr(0),
_width(0),
_height(0) {
result = false;
PackageManager *pPackage = Kernel::getInstance()->getPackage();
assert(pPackage);
// Load file
byte *pFileData;
uint fileSize;
pFileData = pPackage->getFile(filename, &fileSize);
if (!pFileData) {
error("File \"%s\" could not be loaded.", filename.c_str());
return;
}
#ifndef USE_INTERNAL_PNG_DECODER
// Determine image properties
if (!PNGLoader::imageProperties(pFileData, fileSize, _width, _height)) {
error("Could not read image properties.");
return;
}
#endif
// Uncompress the image
int pitch;
byte *pUncompressedData;
if (!PNGLoader::decodeImage(pFileData, fileSize, pUncompressedData, _width, _height, pitch)) {
error("Could not decode image.");
return;
}
// Cleanup FileData
delete[] pFileData;
_imageDataPtr = (uint *)pUncompressedData;
result = true;
return;
}
SWImage::~SWImage() {
delete[] _imageDataPtr;
}
bool SWImage::blit(int posX, int posY,
int flipping,
Common::Rect *pPartRect,
uint color,
int width, int height) {
error("Blit() is not supported.");
return false;
}
bool SWImage::fill(const Common::Rect *pFillRect, uint color) {
error("Fill() is not supported.");
return false;
}
bool SWImage::setContent(const byte *pixeldata, uint size, uint offset, uint stride) {
error("SetContent() is not supported.");
return false;
}
uint SWImage::getPixel(int x, int y) {
assert(x >= 0 && x < _width);
assert(y >= 0 && y < _height);
return _imageDataPtr[_width * y + x];
}
} // End of namespace Sword25
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