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gdi32: Create a sanitized BITMAPINFO in SetDIBitsToDevice and pass that to the drivers.

This commit is contained in:
Alexandre Julliard 2011-08-04 13:22:53 +02:00
parent d0d98046c6
commit f825f5db8c
4 changed files with 39 additions and 137 deletions
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5
dlls/gdi32/dib.c
View File

@ -646,13 +646,16 @@ done:
*/
INT WINAPI SetDIBitsToDevice(HDC hdc, INT xDest, INT yDest, DWORD cx,
DWORD cy, INT xSrc, INT ySrc, UINT startscan,
UINT lines, LPCVOID bits, const BITMAPINFO *info,
UINT lines, LPCVOID bits, const BITMAPINFO *bmi,
UINT coloruse )
{
char buffer[FIELD_OFFSET( BITMAPINFO, bmiColors[256] )];
BITMAPINFO *info = (BITMAPINFO *)buffer;
INT ret = 0;
DC *dc;
if (!bits) return 0;
if (!bitmapinfo_from_user_bitmapinfo( info, bmi, coloruse )) return 0;
if ((dc = get_dc_ptr( hdc )))
{

7
dlls/gdi32/enhmfdrv/bitblt.c
View File

@ -232,8 +232,7 @@ INT EMFDRV_SetDIBitsToDevice( PHYSDEV dev, INT xDst, INT yDst, DWORD width, DWOR
{
EMRSETDIBITSTODEVICE* pEMR;
DWORD bmiSize = bitmap_info_size(info, wUsage);
DWORD bitsSize = get_dib_image_size( info );
DWORD size = sizeof(EMRSETDIBITSTODEVICE) + bmiSize + bitsSize;
DWORD size = sizeof(EMRSETDIBITSTODEVICE) + bmiSize + info->bmiHeader.biSizeImage;
pEMR = HeapAlloc(GetProcessHeap(), 0, size);
if (!pEMR) return 0;
@ -253,12 +252,12 @@ INT EMFDRV_SetDIBitsToDevice( PHYSDEV dev, INT xDst, INT yDst, DWORD width, DWOR
pEMR->offBmiSrc = sizeof(EMRSETDIBITSTODEVICE);
pEMR->cbBmiSrc = bmiSize;
pEMR->offBitsSrc = sizeof(EMRSETDIBITSTODEVICE) + bmiSize;
pEMR->cbBitsSrc = bitsSize;
pEMR->cbBitsSrc = info->bmiHeader.biSizeImage;
pEMR->iUsageSrc = wUsage;
pEMR->iStartScan = startscan;
pEMR->cScans = lines;
memcpy((BYTE*)pEMR + pEMR->offBmiSrc, info, bmiSize);
memcpy((BYTE*)pEMR + pEMR->offBitsSrc, bits, bitsSize);
memcpy((BYTE*)pEMR + pEMR->offBitsSrc, bits, info->bmiHeader.biSizeImage);
if (EMFDRV_WriteRecord(dev, (EMR*)pEMR))
EMFDRV_UpdateBBox(dev, &(pEMR->rclBounds));

5
dlls/gdi32/mfdrv/bitblt.c
View File

@ -171,8 +171,7 @@ INT MFDRV_SetDIBitsToDevice( PHYSDEV dev, INT xDst, INT yDst, DWORD cx,
{
DWORD infosize = bitmap_info_size(info, coloruse);
DWORD imagesize = get_dib_image_size( info );
DWORD len = sizeof(METARECORD) + 8 * sizeof(WORD) + infosize + imagesize;
DWORD len = sizeof(METARECORD) + 8 * sizeof(WORD) + infosize + info->bmiHeader.biSizeImage;
METARECORD *mr = HeapAlloc( GetProcessHeap(), 0, len );
if(!mr) return 0;
@ -188,7 +187,7 @@ INT MFDRV_SetDIBitsToDevice( PHYSDEV dev, INT xDst, INT yDst, DWORD cx,
mr->rdParm[7] = (INT16)yDst;
mr->rdParm[8] = (INT16)xDst;
memcpy(mr->rdParm + 9, info, infosize);
memcpy(mr->rdParm + 9 + infosize / 2, bits, imagesize);
memcpy(mr->rdParm + 9 + infosize / 2, bits, info->bmiHeader.biSizeImage);
MFDRV_WriteRecord( dev, mr, mr->rdSize * 2 );
HeapFree( GetProcessHeap(), 0, mr );
return lines;

159
dlls/winex11.drv/dib.c
View File

@ -239,42 +239,6 @@ void X11DRV_DIB_DestroyXImage( XImage *image )
}
/***********************************************************************
* DIB_GetBitmapInfoEx
*
* Get the info from a bitmap header.
* Return 1 for INFOHEADER, 0 for COREHEADER, -1 for error.
*/
static int DIB_GetBitmapInfoEx( const BITMAPINFOHEADER *header, LONG *width,
LONG *height, WORD *planes, WORD *bpp,
WORD *compr, DWORD *size )
{
if (header->biSize == sizeof(BITMAPCOREHEADER))
{
const BITMAPCOREHEADER *core = (const BITMAPCOREHEADER *)header;
*width = core->bcWidth;
*height = core->bcHeight;
*planes = core->bcPlanes;
*bpp = core->bcBitCount;
*compr = 0;
*size = 0;
return 0;
}
if (header->biSize >= sizeof(BITMAPINFOHEADER))
{
*width = header->biWidth;
*height = header->biHeight;
*planes = header->biPlanes;
*bpp = header->biBitCount;
*compr = header->biCompression;
*size = header->biSizeImage;
return 1;
}
ERR("(%d): unknown/wrong size for header\n", header->biSize );
return -1;
}
/***********************************************************************
* X11DRV_DIB_GetColorCount
*
@ -283,41 +247,11 @@ static int DIB_GetBitmapInfoEx( const BITMAPINFOHEADER *header, LONG *width,
*/
static unsigned int X11DRV_DIB_GetColorCount(const BITMAPINFO *info)
{
unsigned int colors;
BOOL core_info = info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER);
if (core_info)
{
colors = 1 << ((const BITMAPCOREINFO*)info)->bmciHeader.bcBitCount;
}
else
{
colors = info->bmiHeader.biClrUsed;
if (!colors) colors = 1 << info->bmiHeader.biBitCount;
}
if (colors > 256)
{
ERR("called with >256 colors!\n");
colors = 0;
}
unsigned int colors = min( info->bmiHeader.biClrUsed, 256 );
if (!colors) colors = 1 << info->bmiHeader.biBitCount;
return colors;
}
/***********************************************************************
* DIB_GetBitmapInfo
*
* Get the info from a bitmap header.
* Return 1 for INFOHEADER, 0 for COREHEADER, -1 for error.
*/
static int DIB_GetBitmapInfo( const BITMAPINFOHEADER *header, LONG *width,
LONG *height, WORD *bpp, WORD *compr )
{
WORD planes;
DWORD size;
return DIB_GetBitmapInfoEx( header, width, height, &planes, bpp, compr, &size);
}
static inline BOOL colour_is_brighter(RGBQUAD c1, RGBQUAD c2)
{
@ -332,61 +266,33 @@ static inline BOOL colour_is_brighter(RGBQUAD c1, RGBQUAD c2)
* for a >8-bit deep bitmap.
*/
static int *X11DRV_DIB_GenColorMap( X11DRV_PDEVICE *physDev, int *colorMapping,
WORD coloruse, WORD depth, BOOL quads,
const void *colorPtr, int start, int end )
WORD coloruse, WORD depth, const void *colorPtr, int start, int end )
{
int i;
if (coloruse == DIB_RGB_COLORS)
{
if (quads)
const RGBQUAD * rgb = colorPtr;
if (depth == 1) /* Monochrome */
{
const RGBQUAD * rgb = colorPtr;
BOOL invert = FALSE;
RGBQUAD table[2];
if (depth == 1) /* Monochrome */
{
BOOL invert = FALSE;
RGBQUAD table[2];
if (GetDIBColorTable( physDev->dev.hdc, 0, 2, table ) == 2)
invert = !colour_is_brighter(table[1], table[0]);
if (GetDIBColorTable( physDev->dev.hdc, 0, 2, table ) == 2)
invert = !colour_is_brighter(table[1], table[0]);
for (i = start; i < end; i++, rgb++)
colorMapping[i] = ((rgb->rgbRed + rgb->rgbGreen +
rgb->rgbBlue > 255*3/2 && !invert) ||
(rgb->rgbRed + rgb->rgbGreen +
rgb->rgbBlue <= 255*3/2 && invert));
}
else
for (i = start; i < end; i++, rgb++)
colorMapping[i] = X11DRV_PALETTE_LookupPixel(physDev->color_shifts, RGB(rgb->rgbRed,
rgb->rgbGreen,
rgb->rgbBlue));
for (i = start; i < end; i++, rgb++)
colorMapping[i] = ((rgb->rgbRed + rgb->rgbGreen +
rgb->rgbBlue > 255*3/2 && !invert) ||
(rgb->rgbRed + rgb->rgbGreen +
rgb->rgbBlue <= 255*3/2 && invert));
}
else
{
const RGBTRIPLE * rgb = colorPtr;
if (depth == 1) /* Monochrome */
{
BOOL invert = FALSE;
RGBQUAD table[2];
if (GetDIBColorTable( physDev->dev.hdc, 0, 2, table ) == 2)
invert = !colour_is_brighter(table[1], table[0]);
for (i = start; i < end; i++, rgb++)
colorMapping[i] = ((rgb->rgbtRed + rgb->rgbtGreen +
rgb->rgbtBlue > 255*3/2 && !invert) ||
(rgb->rgbtRed + rgb->rgbtGreen +
rgb->rgbtBlue <= 255*3/2 && invert));
}
else
for (i = start; i < end; i++, rgb++)
colorMapping[i] = X11DRV_PALETTE_LookupPixel(physDev->color_shifts, RGB(rgb->rgbtRed,
rgb->rgbtGreen,
rgb->rgbtBlue));
}
for (i = start; i < end; i++, rgb++)
colorMapping[i] = X11DRV_PALETTE_LookupPixel(physDev->color_shifts, RGB(rgb->rgbRed,
rgb->rgbGreen,
rgb->rgbBlue));
}
else /* DIB_PAL_COLORS */
{
@ -408,7 +314,6 @@ static int *X11DRV_DIB_GenColorMap( X11DRV_PDEVICE *physDev, int *colorMapping,
static int *X11DRV_DIB_BuildColorMap( X11DRV_PDEVICE *physDev, WORD coloruse, WORD depth,
const BITMAPINFO *info, int *nColors )
{
BOOL isInfo;
const void *colorPtr;
int *colorMapping;
@ -416,13 +321,12 @@ static int *X11DRV_DIB_BuildColorMap( X11DRV_PDEVICE *physDev, WORD coloruse, WO
*nColors = X11DRV_DIB_GetColorCount(info);
if (!*nColors) return NULL;
isInfo = info->bmiHeader.biSize != sizeof(BITMAPCOREHEADER);
colorPtr = (const BYTE*)info + (WORD)info->bmiHeader.biSize;
if (!(colorMapping = HeapAlloc(GetProcessHeap(), 0, *nColors * sizeof(int) )))
return NULL;
return X11DRV_DIB_GenColorMap( physDev, colorMapping, coloruse, depth,
isInfo, colorPtr, 0, *nColors);
colorPtr, 0, *nColors);
}
/***********************************************************************
@ -3836,17 +3740,15 @@ INT X11DRV_SetDIBitsToDevice( PHYSDEV dev, INT xDest, INT yDest, DWORD cx, DWORD
X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
X11DRV_DIB_IMAGEBITS_DESCR descr;
INT result;
LONG width, height;
LONG height;
BOOL top_down;
POINT pt;
int rop = X11DRV_XROPfunction[GetROP2(dev->hdc) - 1];
if (DIB_GetBitmapInfo( &info->bmiHeader, &width, &height,
&descr.infoBpp, &descr.compression ) == -1)
return 0;
top_down = (height < 0);
if (top_down) height = -height;
top_down = (info->bmiHeader.biHeight < 0);
height = abs( info->bmiHeader.biHeight );
descr.infoBpp = info->bmiHeader.biBitCount;
descr.compression = info->bmiHeader.biCompression;
pt.x = xDest;
pt.y = yDest;
@ -3883,8 +3785,8 @@ INT X11DRV_SetDIBitsToDevice( PHYSDEV dev, INT xDest, INT yDest, DWORD cx, DWORD
ySrc = 0;
if (cy > lines) cy = lines;
}
if (xSrc >= width) return lines;
if (xSrc + cx >= width) cx = width - xSrc;
if (xSrc >= info->bmiHeader.biWidth) return lines;
if (xSrc + cx >= info->bmiHeader.biWidth) cx = info->bmiHeader.biWidth - xSrc;
if (!cx || !cy) return lines;
/* Update the pixmap from the DIB section */
@ -3928,7 +3830,7 @@ INT X11DRV_SetDIBitsToDevice( PHYSDEV dev, INT xDest, INT yDest, DWORD cx, DWORD
descr.image = NULL;
descr.palentry = NULL;
descr.lines = top_down ? -lines : lines;
descr.infoWidth = width;
descr.infoWidth = info->bmiHeader.biWidth;
descr.depth = physDev->depth;
descr.shifts = physDev->color_shifts;
descr.drawable = physDev->drawable;
@ -3940,7 +3842,7 @@ INT X11DRV_SetDIBitsToDevice( PHYSDEV dev, INT xDest, INT yDest, DWORD cx, DWORD
descr.width = cx;
descr.height = cy;
descr.shm_mode = X11DRV_SHM_NONE;
descr.dibpitch = ((width * descr.infoBpp + 31) &~31) / 8;
descr.dibpitch = X11DRV_DIB_GetDIBWidthBytes( info->bmiHeader.biWidth, info->bmiHeader.biBitCount );
descr.physBitmap = NULL;
result = X11DRV_DIB_SetImageBits( &descr );
@ -4655,8 +4557,7 @@ UINT X11DRV_SetDIBColorTable( PHYSDEV dev, UINT start, UINT count, const RGBQUAD
*/
X11DRV_DIB_Lock( physBitmap, DIB_Status_AppMod );
X11DRV_DIB_GenColorMap( physDev, physBitmap->colorMap, DIB_RGB_COLORS,
dib.dsBm.bmBitsPixel,
TRUE, colors, start, end );
dib.dsBm.bmBitsPixel, colors, start, end );
X11DRV_DIB_Unlock( physBitmap, TRUE );
ret = end - start;
}