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Fix PSDRV_StretchDIBits for non-integer byte src widths (1 & 4bpp).

This commit is contained in:
Huw D M Davies 1999-12-25 22:56:13 +00:00 committed by Alexandre Julliard
parent bac7be750b
commit e175445eae
1 changed files with 6 additions and 6 deletions
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12
graphics/psdrv/bitmap.c
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@ -93,8 +93,8 @@ static BOOL PSDRV_WriteImageHeader(DC *dc, const BITMAPINFO *info, INT xDst,
* PSDRV_StretchDIBits
*
* BUGS
* Doesn't work correctly if the DIB bits aren't byte aligned at the start of
* a line - this affects 1 and 4 bit depths.
* Doesn't work correctly if xSrc isn't byte aligned - this affects 1 and 4
* bit depths.
* Compression not implemented.
*/
INT PSDRV_StretchDIBits( DC *dc, INT xDst, INT yDst, INT widthDst,
@ -138,10 +138,10 @@ INT PSDRV_StretchDIBits( DC *dc, INT xDst, INT yDst, INT widthDst,
widthSrc, heightSrc);
ptr = bits;
ptr += (ySrc * widthbytes);
if(xSrc & 7 || widthSrc & 7)
if(xSrc & 7)
FIXME("This won't work...\n");
for(line = 0; line < heightSrc; line++, ptr += widthbytes)
PSDRV_WriteBytes(dc, ptr + xSrc/8, widthSrc/8);
PSDRV_WriteBytes(dc, ptr + xSrc/8, (widthSrc+7)/8);
break;
case 4:
@ -150,10 +150,10 @@ INT PSDRV_StretchDIBits( DC *dc, INT xDst, INT yDst, INT widthDst,
widthSrc, heightSrc);
ptr = bits;
ptr += (ySrc * widthbytes);
if(xSrc & 1 || widthSrc & 1)
if(xSrc & 1)
FIXME("This won't work...\n");
for(line = 0; line < heightSrc; line++, ptr += widthbytes)
PSDRV_WriteBytes(dc, ptr + xSrc/2, widthSrc/2);
PSDRV_WriteBytes(dc, ptr + xSrc/2, (widthSrc+1)/2);
break;
case 8: