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gdi32: Use GetDIBits instead of GetObject in MFDRV_StretchBlt. 

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2021-08-12 12:00:05 +02:00 committed by Alexandre Julliard
parent 7659c6ff7d
commit 7f9d847b9b
1 changed files with 54 additions and 80 deletions
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134
dlls/gdi32/mfdrv/bitblt.c
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@ -35,96 +35,70 @@ BOOL METADC_PatBlt( HDC hdc, INT left, INT top, INT width, INT height, DWORD rop
}
/***********************************************************************
* MFDRV_StretchBlt
* this function contains TWO ways for processing StretchBlt in metafiles,
* decide between rdFunction values META_STRETCHBLT or META_DIBSTRETCHBLT
* via #define STRETCH_VIA_DIB
*/
#define STRETCH_VIA_DIB
BOOL CDECL MFDRV_StretchBlt( PHYSDEV devDst, struct bitblt_coords *dst,
PHYSDEV devSrc, struct bitblt_coords *src, DWORD rop )
static BOOL metadc_stretchblt( HDC hdc, INT x_dst, INT y_dst, INT width_dst, INT height_dst,
HDC hdc_src, INT x_src, INT y_src, INT width_src, INT height_src,
DWORD rop )
{
BOOL ret;
DWORD len;
BITMAPINFO src_info = {{ sizeof( src_info.bmiHeader ) }};
UINT bmi_size, size, bpp;
BITMAPINFO *bmi;
METARECORD *mr;
BITMAP BM;
#ifdef STRETCH_VIA_DIB
LPBITMAPINFOHEADER lpBMI;
WORD nBPP;
#endif
HBITMAP hBitmap = GetCurrentObject(devSrc->hdc, OBJ_BITMAP);
HBITMAP bitmap;
BOOL ret;
if (devSrc->funcs == devDst->funcs) return FALSE; /* can't use a metafile DC as source */
if (!(bitmap = GetCurrentObject( hdc_src, OBJ_BITMAP ))) return FALSE;
if (!GetDIBits( hdc_src, bitmap, 0, INT_MAX, NULL, &src_info, DIB_RGB_COLORS )) return FALSE;
if (GetObjectW(hBitmap, sizeof(BITMAP), &BM) != sizeof(BITMAP))
{
WARN("bad bitmap object %p passed for hdc %p\n", hBitmap, devSrc->hdc);
return FALSE;
}
#ifdef STRETCH_VIA_DIB
nBPP = BM.bmPlanes * BM.bmBitsPixel;
if(nBPP > 8) nBPP = 24; /* FIXME Can't get 16bpp to work for some reason */
len = sizeof(METARECORD) + 10 * sizeof(INT16)
+ sizeof(BITMAPINFOHEADER) + (nBPP <= 8 ? 1 << nBPP: 0) * sizeof(RGBQUAD)
+ get_dib_stride( BM.bmWidth, nBPP ) * BM.bmHeight;
if (!(mr = HeapAlloc( GetProcessHeap(), 0, len)))
return FALSE;
mr->rdFunction = META_DIBSTRETCHBLT;
lpBMI=(LPBITMAPINFOHEADER)(mr->rdParm+10);
lpBMI->biSize = sizeof(BITMAPINFOHEADER);
lpBMI->biWidth = BM.bmWidth;
lpBMI->biHeight = BM.bmHeight;
lpBMI->biPlanes = 1;
lpBMI->biBitCount = nBPP;
lpBMI->biSizeImage = get_dib_image_size( (BITMAPINFO *)lpBMI );
lpBMI->biClrUsed = nBPP <= 8 ? 1 << nBPP : 0;
lpBMI->biCompression = BI_RGB;
lpBMI->biXPelsPerMeter = MulDiv(GetDeviceCaps(devSrc->hdc,LOGPIXELSX),3937,100);
lpBMI->biYPelsPerMeter = MulDiv(GetDeviceCaps(devSrc->hdc,LOGPIXELSY),3937,100);
lpBMI->biClrImportant = 0; /* 1 meter = 39.37 inch */
TRACE("MF_StretchBltViaDIB->len = %d rop=%x PixYPM=%d Caps=%d\n",
len,rop,lpBMI->biYPelsPerMeter,GetDeviceCaps(devSrc->hdc, LOGPIXELSY));
if (GetDIBits(devSrc->hdc, hBitmap, 0, (UINT)lpBMI->biHeight,
(LPSTR)lpBMI + get_dib_info_size( (BITMAPINFO *)lpBMI, DIB_RGB_COLORS ),
(LPBITMAPINFO)lpBMI, DIB_RGB_COLORS))
#else
len = sizeof(METARECORD) + 15 * sizeof(INT16) + BM.bmWidthBytes * BM.bmHeight;
if (!(mr = HeapAlloc( GetProcessHeap(), 0, len )))
return FALSE;
mr->rdFunction = META_STRETCHBLT;
*(mr->rdParm +10) = BM.bmWidth;
*(mr->rdParm +11) = BM.bmHeight;
*(mr->rdParm +12) = BM.bmWidthBytes;
*(mr->rdParm +13) = BM.bmPlanes;
*(mr->rdParm +14) = BM.bmBitsPixel;
TRACE("len = %ld rop=%lx\n", len, rop);
if (GetBitmapBits( hBitmap, BM.bmWidthBytes * BM.bmHeight, mr->rdParm + 15))
#endif
{
mr->rdSize = len / sizeof(INT16);
*(mr->rdParm) = LOWORD(rop);
*(mr->rdParm + 1) = HIWORD(rop);
*(mr->rdParm + 2) = src->log_height;
*(mr->rdParm + 3) = src->log_width;
*(mr->rdParm + 4) = src->log_y;
*(mr->rdParm + 5) = src->log_x;
*(mr->rdParm + 6) = dst->log_height;
*(mr->rdParm + 7) = dst->log_width;
*(mr->rdParm + 8) = dst->log_y;
*(mr->rdParm + 9) = dst->log_x;
ret = MFDRV_WriteRecord( devDst, mr, mr->rdSize * 2);
}
bpp = src_info.bmiHeader.biBitCount;
if (bpp <= 8)
bmi_size = sizeof(BITMAPINFOHEADER) + (1 << bpp) * sizeof(RGBQUAD);
else if (bpp == 16 || bpp == 32)
bmi_size = sizeof(BITMAPINFOHEADER) + 3 * sizeof(RGBQUAD);
else
ret = FALSE;
bmi_size = sizeof(BITMAPINFOHEADER);
size = FIELD_OFFSET( METARECORD, rdParm[10] ) + bmi_size +
src_info.bmiHeader.biSizeImage;
if (!(mr = HeapAlloc( GetProcessHeap(), 0, size ))) return FALSE;
mr->rdFunction = META_DIBSTRETCHBLT;
bmi = (BITMAPINFO *)&mr->rdParm[10];
bmi->bmiHeader = src_info.bmiHeader;
TRACE( "size = %u rop=%x\n", size, rop );
ret = GetDIBits( hdc_src, bitmap, 0, src_info.bmiHeader.biHeight, (BYTE *)bmi + bmi_size,
bmi, DIB_RGB_COLORS );
if (ret)
{
mr->rdSize = size / sizeof(WORD);
mr->rdParm[0] = LOWORD(rop);
mr->rdParm[1] = HIWORD(rop);
mr->rdParm[2] = height_src;
mr->rdParm[3] = width_src;
mr->rdParm[4] = y_src;
mr->rdParm[5] = x_src;
mr->rdParm[6] = height_dst;
mr->rdParm[7] = width_dst;
mr->rdParm[8] = y_dst;
mr->rdParm[9] = x_dst;
ret = metadc_record( hdc, mr, size );
}
HeapFree( GetProcessHeap(), 0, mr);
return ret;
}
/***********************************************************************
* MFDRV_StretchBlt
*/
BOOL CDECL MFDRV_StretchBlt( PHYSDEV devDst, struct bitblt_coords *dst,
PHYSDEV devSrc, struct bitblt_coords *src, DWORD rop )
{
return metadc_stretchblt( devDst->hdc, dst->log_x, dst->log_y, dst->log_width, dst->log_height,
devSrc->hdc, src->log_x, src->log_y, src->log_width, src->log_height,
rop );
}
/***********************************************************************
* MFDRV_StretchDIBits
*/