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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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "common/file.h"
#include "image/png.h"
#include "graphics/surface.h"
#include "tetraedge/te/te_png.h"
namespace Tetraedge {
TePng::TePng() {
}
TePng::~TePng() {
}
/*static*/
bool TePng::matchExtension(const Common::String &extn) {
return extn == "png";
}
bool TePng::load(Common::SeekableReadStream &stream) {
if (_loadedSurface)
delete _loadedSurface;
_loadedSurface = nullptr;
Image::PNGDecoder png;
if (!png.loadStream(stream))
return false;
//if (png.getTransparentColor() == -1) {
// _loadedSurface = png.getSurface()->convertTo(Graphics::createPixelFormat<888>());
//} else {
_loadedSurface = png.getSurface()->convertTo(Graphics::PixelFormat(4, 8, 8, 8, 8, 0, 8, 16, 24));
//}
return true;
}
TeImage::Format TePng::imageFormat() {
if (_loadedSurface) {
if (_loadedSurface->format == Graphics::PixelFormat(4, 8, 8, 8, 8, 0, 8, 16, 24))
return TeImage::RGBA8;
else if (_loadedSurface->format == Graphics::PixelFormat(3, 8, 8, 8, 0, 16, 8, 0, 0))
return TeImage::RGB8;
}
return TeImage::INVALID;
}
} // end namespace Tetraedge
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