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Perform color translation for 4BPP to 4BPP DIBs

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svn path=/trunk/; revision=3573
This commit is contained in:
Jason Filby 2002-09-28 22:23:36 +00:00
parent d166ac40b1
commit dc908bafd1
2 changed files with 6 additions and 14 deletions
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17
reactos/subsys/win32k/dib/dib4bpp.c
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@ -87,29 +87,18 @@ BOOLEAN DIB_To_4BPP_Bitblt( SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
break; break;
case 4: case 4:
SourceBits_4BPP = SourceSurf->pvBits + (SourcePoint->y * SourceSurf->lDelta) + SourcePoint->x; sy = SourcePoint->y;
for (j=DestRect->top; j<DestRect->bottom; j++) for (j=DestRect->top; j<DestRect->bottom; j++)
{ {
SourceLine_4BPP = SourceBits_4BPP;
DestLine = DestBits;
sx = SourcePoint->x; sx = SourcePoint->x;
f1 = sx & 1;
f2 = DestRect->left & 1;
// FIXME: handle odd begin pixel
for (i=DestRect->left; i<DestRect->right; i++) for (i=DestRect->left; i<DestRect->right; i++)
{ {
if(f1 == 1) { SourceLine_4BPP++; f1 = 0; } else { f1 = 1; } DIB_4BPP_PutPixel(DestSurf, i, j, XLATEOBJ_iXlate(ColorTranslation, DIB_4BPP_GetPixel(SourceSurf, sx, sy)));
if(f2 == 1) { DestLine++; f2 = 0; } else { f2 = 1; *DestLine = *SourceLine_4BPP; }
sx++; sx++;
} }
sy++;
// FIXME: handle odd end pixel
SourceBits_4BPP += SourceSurf->lDelta;
DestBits += DestSurf->lDelta;
} }
break; break;

3
reactos/subsys/win32k/eng/xlate.c
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@ -232,6 +232,9 @@ XLATEOBJ_iXlate(XLATEOBJ *XlateObj,
PALGDI *PalGDI; PALGDI *PalGDI;
XLATEGDI *XlateGDI = (XLATEGDI*)AccessInternalObjectFromUserObject(XlateObj); XLATEGDI *XlateGDI = (XLATEGDI*)AccessInternalObjectFromUserObject(XlateObj);
// Return the original color if there's no color translation object
if(!XlateObj) return Color;
if(XlateObj->flXlate & XO_TRIVIAL) if(XlateObj->flXlate & XO_TRIVIAL)
{ {
return Color; return Color;