mirror of
https://github.com/libretro/scummvm.git
synced 2025-01-26 12:48:16 +00:00
73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
/* 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.
|
|
*
|
|
*/
|
|
|
|
#include "glk/raw_decoder.h"
|
|
#include "common/stream.h"
|
|
#include "common/textconsole.h"
|
|
|
|
namespace Glk {
|
|
|
|
RawDecoder::RawDecoder() : Image::ImageDecoder(), _palette(nullptr), _paletteColorCount(0) {
|
|
}
|
|
|
|
RawDecoder::~RawDecoder() {
|
|
destroy();
|
|
}
|
|
|
|
void RawDecoder::destroy() {
|
|
_surface.free();
|
|
delete[] _palette;
|
|
_palette = nullptr;
|
|
}
|
|
|
|
bool RawDecoder::loadStream(Common::SeekableReadStream &stream) {
|
|
// Reset member variables from previous decodings
|
|
destroy();
|
|
|
|
uint width = stream.readUint16LE();
|
|
uint height = stream.readUint16LE();
|
|
_paletteColorCount = stream.readUint16LE();
|
|
assert(_paletteColorCount > 0);
|
|
|
|
// Read in the palette
|
|
_palette = new byte[_paletteColorCount * 3];
|
|
stream.read(_palette, _paletteColorCount * 3);
|
|
|
|
// Set up the surface and read it in
|
|
stream.readByte();
|
|
_surface.create(width, height, Graphics::PixelFormat::createFormatCLUT8());
|
|
|
|
assert((stream.size() - stream.pos()) == (int)(width * height));
|
|
byte *pixels = (byte *)_surface.getPixels();
|
|
stream.read(pixels, width * height);
|
|
|
|
for (uint idx = 0; idx < width * height; ++idx, ++pixels) {
|
|
assert(*pixels != 0xff);
|
|
if (*pixels >= _paletteColorCount)
|
|
*pixels = _paletteColorCount - 1;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
} // End of namespace Glk
|