mirror of
https://github.com/libretro/scummvm.git
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84 lines
1.9 KiB
C++
84 lines
1.9 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "image/xbm.h"
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#include "common/textconsole.h"
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#include "graphics/pixelformat.h"
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#include "graphics/surface.h"
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namespace Image {
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const byte XBMDecoder::_palette[2 * 3] = {
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0xFF, 0xFF, 0xFF,
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0x00, 0x00, 0x00
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};
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XBMDecoder::XBMDecoder() {
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_surface = 0;
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}
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XBMDecoder::~XBMDecoder() {
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destroy();
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}
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void XBMDecoder::destroy() {
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if (_surface) {
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_surface->free();
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delete _surface;
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_surface = 0;
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}
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}
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bool XBMDecoder::loadStream(Common::SeekableReadStream &stream) {
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destroy();
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warning("External XBM files are not yet supported");
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return false;
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}
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bool XBMDecoder::loadBits(const unsigned char *bits, int width, int height) {
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destroy();
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_surface = new Graphics::Surface();
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_surface->create(width, height, Graphics::PixelFormat::createFormatCLUT8());
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for (int i = 0; i < height; i++) {
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byte *dst = (byte *)_surface->getBasePtr(0, i);
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for (int j = 0; j != width;) {
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byte color = *bits++;
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for (int k = 0; k < 8; k++) {
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*dst++ = (color & 1);
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color >>= 1;
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j++;
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if (j == width) {
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break;
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}
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}
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}
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}
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return true;
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}
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} // End of namespace Image
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