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Made X11DRV_DIB_MapColor map back to the original color index if the 

XImage pixel's physical color is still the same.
This commit is contained in:
Ove Kaaven 2000-05-18 00:03:09 +00:00 committed by Alexandre Julliard
parent adcf7b455f
commit d3e7e214e2
1 changed files with 8 additions and 5 deletions
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13
graphics/x11drv/dib.c
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@ -158,10 +158,13 @@ int *X11DRV_DIB_BuildColorMap( DC *dc, WORD coloruse, WORD depth,
/*********************************************************************** /***********************************************************************
* X11DRV_DIB_MapColor * X11DRV_DIB_MapColor
*/ */
int X11DRV_DIB_MapColor( int *physMap, int nPhysMap, int phys ) int X11DRV_DIB_MapColor( int *physMap, int nPhysMap, int phys, int oldcol )
{ {
int color; int color;
if ((oldcol < nPhysMap) && (physMap[oldcol] == phys))
return oldcol;
for (color = 0; color < nPhysMap; color++) for (color = 0; color < nPhysMap; color++)
if (physMap[color] == phys) if (physMap[color] == phys)
return color; return color;
@ -778,13 +781,13 @@ static void X11DRV_DIB_GetImageBits_4( int lines, BYTE *dstbits,
for (h = lines-1; h >= 0; h--) { for (h = lines-1; h >= 0; h--) {
for (x = 0; x < dstwidth/2; x++) { for (x = 0; x < dstwidth/2; x++) {
*bits++ = (X11DRV_DIB_MapColor((int *)colors, 16, *bits++ = (X11DRV_DIB_MapColor((int *)colors, 16,
XGetPixel( bmpImage, x++, h )) << 4) XGetPixel( bmpImage, x++, h ), 0) << 4)
| (X11DRV_DIB_MapColor((int *)colors, 16, | (X11DRV_DIB_MapColor((int *)colors, 16,
XGetPixel( bmpImage, x++, h )) & 0x0f); XGetPixel( bmpImage, x++, h ), 0) & 0x0f);
} }
if (dstwidth & 1) if (dstwidth & 1)
*bits = (X11DRV_DIB_MapColor((int *)colors, 16, *bits = (X11DRV_DIB_MapColor((int *)colors, 16,
XGetPixel( bmpImage, x++, h )) << 4); XGetPixel( bmpImage, x++, h ), 0) << 4);
bits = (dstbits += linebytes); bits = (dstbits += linebytes);
} }
break; break;
@ -1166,7 +1169,7 @@ static void X11DRV_DIB_GetImageBits_8( int lines, BYTE *dstbits,
for (h = lines - 1; h >= 0; h--) { for (h = lines - 1; h >= 0; h--) {
for (x = 0; x < dstwidth; x++, bits++) { for (x = 0; x < dstwidth; x++, bits++) {
*bits = X11DRV_DIB_MapColor((int *)colors, 256, *bits = X11DRV_DIB_MapColor((int *)colors, 256,
XGetPixel( bmpImage, x, h ) ); XGetPixel( bmpImage, x, h ), *bits);
} }
bits = (dstbits += linebytes); bits = (dstbits += linebytes);
} }