forks
/
dlangui
mirror of https://github.com/buggins/dlangui.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

freeimage support fix - transparent paletized images

This commit is contained in:
Vadim Lopatin 2014-04-17 17:09:47 +04:00
parent 4ae03b56dc
commit e18955321a
1 changed files with 12 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
src/dlangui/graphics/images.d
View File

@ -118,10 +118,12 @@ static if (USE_FREEIMAGE) {
int transparentIndex = 0;
int transparencyCount = 0;
RGBQUAD * palette = null;
ubyte * transparencyTable = null;
if (colorType == FIC_PALETTE) {
palette = FreeImage_GetPalette(dib);
transparentIndex = FreeImage_GetTransparentIndex(dib);
transparencyCount = FreeImage_GetTransparencyCount(dib);
transparencyTable = FreeImage_GetTransparencyTable(dib);
}
int size = width*height*pixelSize;
@ -137,16 +139,17 @@ static if (USE_FREEIMAGE) {
for( int j = 0; j < width; ++j, ++dst, src += pixelSize ) {
if (colorType == FIC_PALETTE) {
ubyte index = src[0];
if (transparentIndex >= 0 && index >= transparentIndex && index < transparentIndex + transparencyCount) {
dst[0] = 0xFFFFFFFF;
} else {
RGBQUAD pcolor = palette[index];
a = pcolor.rgbReserved;
r = pcolor.rgbRed;
g = pcolor.rgbGreen;
b = pcolor.rgbBlue;
dst[0] = (a << 24) | (r << 16) | (g << 8) | b;
a = 0;
if (transparencyTable !is null) {
a = transparencyTable[index] ^ 0xFF;
} else if (transparentIndex >= 0 && index >= transparentIndex && index < transparentIndex + transparencyCount) {
a = 0xFF;
}
RGBQUAD pcolor = palette[index];
r = pcolor.rgbRed;
g = pcolor.rgbGreen;
b = pcolor.rgbBlue;
dst[0] = (a << 24) | (r << 16) | (g << 8) | b;
} else {
a = 0;
switch (pixelSize) {