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DIRECTOR: Naive implementation for 1bpp image decoder. Not yet working

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This commit is contained in:
Eugene Sandulenko 2016-08-21 11:23:45 +02:00
parent 79995f6222
commit f1b25497d1
1 changed files with 32 additions and 2 deletions
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34
engines/director/images.cpp
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@ -131,10 +131,12 @@ void BITDDecoder::destroy() {
}
void BITDDecoder::loadPalette(Common::SeekableReadStream &stream) {
_palette = new byte[2 * 3];
_palette = new byte[255 * 3];
_palette[0] = _palette[1] = _palette[2] = 0;
_palette[3] = _palette[4] = _palette[5] = 0xff;
_palette[255 * 3 + 0] = _palette[255 * 3 + 1] = _palette[255 * 3 + 2] = 0xff;
_paletteColorCount = 2;
}
bool BITDDecoder::loadStream(Common::SeekableReadStream &stream) {
@ -144,6 +146,34 @@ bool BITDDecoder::loadStream(Common::SeekableReadStream &stream) {
_surface = new Graphics::Surface();
_surface->create(width, height, Graphics::PixelFormat::createFormatCLUT8());
int x = 0, y = 0;
byte *p = (byte *)_surface->getBasePtr(x, y);
while (true) {
byte in = stream.readByte();
if (stream.eos())
break;
for (int i = 0; i < 8; i++) {
*p++ = (in & 0x80) ? 0xff : 0;
in <<= 1;
x++;
if (x >= width) {
x = 0;
y++;
p = (byte *)_surface->getBasePtr(x, y);
break;
}
}
if (y >= height) {
break;
}
}
return true;
}