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gdi32: Access stretch mode directly from DC in NtGdiTransparentBlt. 

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 2021-09-17 13:44:16 +02:00 committed by Alexandre Julliard
parent 12f72681da
commit 6b1cdd1b5e
1 changed files with 8 additions and 4 deletions
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12
dlls/gdi32/bitblt.c
View File

@ -852,19 +852,22 @@ BOOL WINAPI NtGdiTransparentBlt( HDC hdcDest, int xDest, int yDest, int widthDes
COLORREF oldForeground;
int oldStretchMode;
DIBSECTION dib;
DC *dc_src;
if(widthDest < 0 || heightDest < 0 || widthSrc < 0 || heightSrc < 0) {
TRACE("Cannot mirror\n");
return FALSE;
}
if (!(dc_src = get_dc_ptr( hdcSrc ))) return FALSE;
NtGdiGetAndSetDCDword( hdcDest, NtGdiSetBkColor, RGB(255,255,255), &oldBackground );
NtGdiGetAndSetDCDword( hdcDest, NtGdiSetTextColor, RGB(0,0,0), &oldForeground );
/* Stretch bitmap */
oldStretchMode = GetStretchBltMode(hdcSrc);
if(oldStretchMode == BLACKONWHITE || oldStretchMode == WHITEONBLACK)
SetStretchBltMode(hdcSrc, COLORONCOLOR);
oldStretchMode = dc_src->attr->stretch_blt_mode;
if (oldStretchMode == BLACKONWHITE || oldStretchMode == WHITEONBLACK)
dc_src->attr->stretch_blt_mode = COLORONCOLOR;
hdcWork = NtGdiCreateCompatibleDC( hdcDest );
if ((get_gdi_object_type( hdcDest ) != NTGDI_OBJ_MEMDC ||
NtGdiExtGetObjectW( NtGdiGetDCObject( hdcDest, NTGDI_OBJ_SURF ),
@ -926,7 +929,8 @@ BOOL WINAPI NtGdiTransparentBlt( HDC hdcDest, int xDest, int yDest, int widthDes
ret = TRUE;
error:
SetStretchBltMode(hdcSrc, oldStretchMode);
dc_src->attr->stretch_blt_mode = oldStretchMode;
release_dc_ptr( dc_src );
NtGdiGetAndSetDCDword( hdcDest, NtGdiSetBkColor, oldBackground, NULL );
NtGdiGetAndSetDCDword( hdcDest, NtGdiSetTextColor, oldForeground, NULL );
if(hdcWork) {