libretro/scummvm
1
0
Fork 0
mirror of https://github.com/libretro/scummvm.git synced 2024-12-12 20:17:49 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

IMAGE: Add support for 16-bit RLE TGA images

Browse Source 
Used by Titanic engine.
This commit is contained in:
Colin Snover 2016-11-07 19:50:49 -06:00
parent f3d9d88f58
commit 8eb8e7366c
1 changed files with 14 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
image/tga.cpp
View File

@ -152,7 +152,7 @@ bool TGADecoder::readHeader(Common::SeekableReadStream &tga, byte &imageType, by
// of alpha-bits, however, as the game files that use this decoder seems
// to ignore that fact, we force the amount to 8 for 32bpp files for now.
_format = Graphics::PixelFormat(4, 8, 8, 8, /* attributeBits */ 8, 16, 8, 0, 24);
} else if (pixelDepth == 16 && imageType == TYPE_TRUECOLOR) {
} else if (pixelDepth == 16) {
// 16bpp TGA is ARGB1555
_format = Graphics::PixelFormat(2, 5, 5, 5, attributeBits, 10, 5, 0, 15);
} else {
@ -353,6 +353,13 @@ bool TGADecoder::readDataRLE(Common::SeekableReadStream &tga, byte imageType, by
#endif
count--;
}
} else if (pixelDepth == 16 && imageType == TYPE_RLE_TRUECOLOR) {
const uint16 rgb = tga.readUint16LE();
while (rleCount-- > 0) {
*((uint16 *)data) = rgb;
data += 2;
count--;
}
} else if (pixelDepth == 8 && imageType == TYPE_RLE_BW) {
byte color = tga.readByte();
while (rleCount-- > 0) {
@ -397,6 +404,12 @@ bool TGADecoder::readDataRLE(Common::SeekableReadStream &tga, byte imageType, by
#endif
count--;
}
} else if (pixelDepth == 16 && imageType == TYPE_RLE_TRUECOLOR) {
while (rleCount-- > 0) {
*((uint16 *)data) = tga.readUint16LE();
data += 2;
count--;
}
} else if (pixelDepth == 8 && imageType == TYPE_RLE_BW) {
while (rleCount-- > 0) {
byte color = tga.readByte();