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Fix line length calculation in X11DRV_DIB_Convert_any_asis. 

Correctly initialize the color masks of 24bpp DIBs.
This commit is contained in:
François Gouget 2001-11-05 23:52:18 +00:00 committed by Alexandre Julliard
parent 40a35aa2fb
commit 69f8b8f63e
1 changed files with 10 additions and 17 deletions
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27
graphics/x11drv/dib.c
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@ -330,12 +330,13 @@ static INT X11DRV_DIB_MaskToShift(DWORD mask)
* high bits, the green, and the source color in the low bits.
*/
static void X11DRV_DIB_Convert_any_asis(int width, int height,
int bytes_per_pixel,
const void* srcbits, int srclinebytes,
void* dstbits, int dstlinebytes)
{
int y;
width=abs(dstlinebytes);
width*=bytes_per_pixel;
for (y=0; y<height; y++) {
memcpy(dstbits, srcbits, width);
srcbits += srclinebytes;
@ -2938,7 +2939,7 @@ static void X11DRV_DIB_SetImageBits_16( int lines, const BYTE *srcbits,
/* ==== rgb 555 dib -> rgb 555 bmp ==== */
/* ==== bgr 555 dib -> bgr 555 bmp ==== */
X11DRV_DIB_Convert_any_asis
(dstwidth,lines,
(dstwidth,lines,2,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
} else {
@ -2981,7 +2982,7 @@ static void X11DRV_DIB_SetImageBits_16( int lines, const BYTE *srcbits,
/* ==== rgb 565 dib -> rgb 565 bmp ==== */
/* ==== bgr 565 dib -> bgr 565 bmp ==== */
X11DRV_DIB_Convert_any_asis
(dstwidth,lines,
(dstwidth,lines,2,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
} else {
@ -3199,7 +3200,7 @@ static void X11DRV_DIB_GetImageBits_16( int lines, BYTE *dstbits,
/* ==== rgb 555 bmp -> rgb 555 dib ==== */
/* ==== bgr 555 bmp -> bgr 555 dib ==== */
X11DRV_DIB_Convert_any_asis
(dstwidth,lines,
(dstwidth,lines,2,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
} else {
@ -3241,7 +3242,7 @@ static void X11DRV_DIB_GetImageBits_16( int lines, BYTE *dstbits,
/* ==== rgb 565 bmp -> rgb 565 dib ==== */
/* ==== bgr 565 bmp -> bgr 565 dib ==== */
X11DRV_DIB_Convert_any_asis
(dstwidth,lines,
(dstwidth,lines,2,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
} else {
@ -3522,7 +3523,7 @@ static void X11DRV_DIB_SetImageBits_24( int lines, const BYTE *srcbits,
/* ==== rgb 888 dib -> rgb 888 bmp ==== */
/* ==== bgr 888 dib -> bgr 888 bmp ==== */
X11DRV_DIB_Convert_any_asis
(dstwidth,lines,
(dstwidth,lines,3,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
} else {
@ -3677,7 +3678,7 @@ static void X11DRV_DIB_GetImageBits_24( int lines, BYTE *dstbits,
/* ==== rgb 888 bmp -> rgb 888 dib ==== */
/* ==== bgr 888 bmp -> bgr 888 dib ==== */
X11DRV_DIB_Convert_any_asis
(dstwidth,lines,
(dstwidth,lines,3,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
} else {
@ -3923,7 +3924,7 @@ static void X11DRV_DIB_SetImageBits_32(int lines, const BYTE *srcbits,
/* ==== rgb 0888 dib -> rgb 0888 bmp ==== */
/* ==== bgr 0888 dib -> bgr 0888 bmp ==== */
X11DRV_DIB_Convert_any_asis
(dstwidth,lines,
(dstwidth,lines,4,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
} else if (rSrc==bmpImage->blue_mask && bSrc==bmpImage->red_mask) {
@ -4159,7 +4160,7 @@ static void X11DRV_DIB_GetImageBits_32( int lines, BYTE *dstbits,
/* ==== rgb 0888 bmp -> rgb 0888 dib ==== */
/* ==== bgr 0888 bmp -> bgr 0888 dib ==== */
X11DRV_DIB_Convert_any_asis
(dstwidth,lines,
(dstwidth,lines,4,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
} else if (rDst==bmpImage->blue_mask && bDst==bmpImage->red_mask) {
@ -4644,10 +4645,6 @@ INT X11DRV_SetDIBitsToDevice( DC *dc, INT xDest, INT yDest, DWORD cx,
break;
case 24:
descr.rMask = descr.gMask = descr.bMask = 0;
descr.colorMap = 0;
break;
case 32:
descr.rMask = (descr.compression == BI_BITFIELDS) ? *(DWORD *)info->bmiColors : 0xff0000;
descr.gMask = (descr.compression == BI_BITFIELDS) ? *((DWORD *)info->bmiColors + 1) : 0x00ff00;
@ -4729,10 +4726,6 @@ INT X11DRV_DIB_SetDIBits(
break;
case 24:
descr.rMask = descr.gMask = descr.bMask = 0;
descr.colorMap = 0;
break;
case 32:
descr.rMask = (descr.compression == BI_BITFIELDS) ? *(DWORD *)info->bmiColors : 0xff0000;
descr.gMask = (descr.compression == BI_BITFIELDS) ? *((DWORD *)info->bmiColors + 1) : 0x00ff00;