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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 "image/xbm.h"
#include "common/textconsole.h"
#include "graphics/pixelformat.h"
#include "graphics/surface.h"
namespace Image {
const byte XBMDecoder::_palette[2 * 3] = {
0xFF, 0xFF, 0xFF,
0x00, 0x00, 0x00
};
XBMDecoder::XBMDecoder() {
_surface = 0;
}
XBMDecoder::~XBMDecoder() {
destroy();
}
void XBMDecoder::destroy() {
if (_surface) {
_surface->free();
delete _surface;
_surface = 0;
}
}
bool XBMDecoder::loadStream(Common::SeekableReadStream &stream) {
destroy();
warning("External XBM files are not yet supported");
return false;
}
bool XBMDecoder::loadBits(const unsigned char *bits, int width, int height) {
destroy();
_surface = new Graphics::Surface();
_surface->create(width, height, Graphics::PixelFormat::createFormatCLUT8());
for (int i = 0; i < height; i++) {
byte *dst = (byte *)_surface->getBasePtr(0, i);
for (int j = 0; j != width;) {
byte color = *bits++;
for (int k = 0; k < 8; k++) {
*dst++ = (color & 1);
color >>= 1;
j++;
if (j == width) {
break;
}
}
}
}
return true;
}
} // End of namespace Image
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