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gdi32: Use EMR_TRANSPARENTBLT to record GetTransparentBlt. 

And use 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 2021-09-10 14:27:39 +02:00 committed by Alexandre Julliard
parent 7b8a9db513
commit 953a219004
5 changed files with 58 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
dlls/gdi32/bitblt.c
View File

@ -835,11 +835,11 @@ BOOL WINAPI NtGdiMaskBlt( HDC hdcDest, INT nXDest, INT nYDest, INT nWidth, INT n
}
/******************************************************************************
* GdiTransparentBlt [GDI32.@]
* NtGdiTransparentBlt (win32u.@)
*/
BOOL WINAPI GdiTransparentBlt( HDC hdcDest, int xDest, int yDest, int widthDest, int heightDest,
HDC hdcSrc, int xSrc, int ySrc, int widthSrc, int heightSrc,
UINT crTransparent )
BOOL WINAPI NtGdiTransparentBlt( HDC hdcDest, int xDest, int yDest, int widthDest, int heightDest,
HDC hdcSrc, int xSrc, int ySrc, int widthSrc, int heightSrc,
UINT crTransparent )
{
BOOL ret = FALSE;
HDC hdcWork;
@ -858,8 +858,8 @@ BOOL WINAPI GdiTransparentBlt( HDC hdcDest, int xDest, int yDest, int widthDest,
return FALSE;
}
oldBackground = SetBkColor(hdcDest, RGB(255,255,255));
oldForeground = SetTextColor(hdcDest, RGB(0,0,0));
NtGdiGetAndSetDCDword( hdcDest, NtGdiSetBkColor, RGB(255,255,255), &oldBackground );
NtGdiGetAndSetDCDword( hdcDest, NtGdiSetTextColor, RGB(0,0,0), &oldForeground );
/* Stretch bitmap */
oldStretchMode = GetStretchBltMode(hdcSrc);
@ -867,9 +867,9 @@ BOOL WINAPI GdiTransparentBlt( HDC hdcDest, int xDest, int yDest, int widthDest,
SetStretchBltMode(hdcSrc, COLORONCOLOR);
hdcWork = NtGdiCreateCompatibleDC( hdcDest );
if ((GetObjectType( hdcDest ) != OBJ_MEMDC ||
GetObjectW( NtGdiGetDCObject( hdcDest, NTGDI_OBJ_SURF ),
sizeof(dib), &dib ) == sizeof(BITMAP)) &&
GetDeviceCaps( hdcDest, BITSPIXEL ) == 32)
NtGdiExtGetObjectW( NtGdiGetDCObject( hdcDest, NTGDI_OBJ_SURF ),
sizeof(dib), &dib ) == sizeof(BITMAP)) &&
NtGdiGetDeviceCaps( hdcDest, BITSPIXEL ) == 32)
{
/* screen DCs or DDBs are not supposed to have an alpha channel, so use a 24-bpp bitmap as copy */
BITMAPINFO info;
@ -883,37 +883,43 @@ BOOL WINAPI GdiTransparentBlt( HDC hdcDest, int xDest, int yDest, int widthDest,
}
else bmpWork = NtGdiCreateCompatibleBitmap( hdcDest, widthDest, heightDest );
oldWork = NtGdiSelectBitmap(hdcWork, bmpWork);
if(!StretchBlt(hdcWork, 0, 0, widthDest, heightDest, hdcSrc, xSrc, ySrc, widthSrc, heightSrc, SRCCOPY)) {
if (!NtGdiStretchBlt( hdcWork, 0, 0, widthDest, heightDest, hdcSrc, xSrc, ySrc,
widthSrc, heightSrc, SRCCOPY, 0 ))
{
TRACE("Failed to stretch\n");
goto error;
}
SetBkColor(hdcWork, crTransparent);
NtGdiGetAndSetDCDword( hdcWork, NtGdiSetBkColor, crTransparent, NULL );
/* Create mask */
hdcMask = NtGdiCreateCompatibleDC( hdcDest );
bmpMask = NtGdiCreateCompatibleBitmap( hdcMask, widthDest, heightDest );
oldMask = NtGdiSelectBitmap(hdcMask, bmpMask);
if(!BitBlt(hdcMask, 0, 0, widthDest, heightDest, hdcWork, 0, 0, SRCCOPY)) {
if (!NtGdiBitBlt( hdcMask, 0, 0, widthDest, heightDest, hdcWork, 0, 0, SRCCOPY, 0, 0 ))
{
TRACE("Failed to create mask\n");
goto error;
}
/* Replace transparent color with black */
SetBkColor(hdcWork, RGB(0,0,0));
SetTextColor(hdcWork, RGB(255,255,255));
if(!BitBlt(hdcWork, 0, 0, widthDest, heightDest, hdcMask, 0, 0, SRCAND)) {
NtGdiGetAndSetDCDword( hdcWork, NtGdiSetBkColor, RGB(0,0,0), NULL );
NtGdiGetAndSetDCDword( hdcWork, NtGdiSetTextColor, RGB(255,255,255), NULL );
if (!NtGdiBitBlt( hdcWork, 0, 0, widthDest, heightDest, hdcMask, 0, 0, SRCAND, 0, 0 ))
{
TRACE("Failed to mask out background\n");
goto error;
}
/* Replace non-transparent area on destination with black */
if(!BitBlt(hdcDest, xDest, yDest, widthDest, heightDest, hdcMask, 0, 0, SRCAND)) {
if (!NtGdiBitBlt( hdcDest, xDest, yDest, widthDest, heightDest, hdcMask, 0, 0, SRCAND, 0, 0 ))
{
TRACE("Failed to clear destination area\n");
goto error;
}
/* Draw the image */
if(!BitBlt(hdcDest, xDest, yDest, widthDest, heightDest, hdcWork, 0, 0, SRCPAINT)) {
if (!NtGdiBitBlt( hdcDest, xDest, yDest, widthDest, heightDest, hdcWork, 0, 0, SRCPAINT, 0, 0 ))
{
TRACE("Failed to paint image\n");
goto error;
}
@ -921,8 +927,8 @@ BOOL WINAPI GdiTransparentBlt( HDC hdcDest, int xDest, int yDest, int widthDest,
ret = TRUE;
error:
SetStretchBltMode(hdcSrc, oldStretchMode);
SetBkColor(hdcDest, oldBackground);
SetTextColor(hdcDest, oldForeground);
NtGdiGetAndSetDCDword( hdcDest, NtGdiSetBkColor, oldBackground, NULL );
NtGdiGetAndSetDCDword( hdcDest, NtGdiSetTextColor, oldForeground, NULL );
if(hdcWork) {
NtGdiSelectBitmap(hdcWork, oldWork);
NtGdiDeleteObjectApp( hdcWork );

11
dlls/gdi32/emfdc.c
View File

@ -1287,7 +1287,7 @@ static BOOL emfdrv_stretchblt( struct emf *emf, INT x_dst, INT y_dst, INT width_
emr->cyDest = height_dst;
emr->xSrc = x_src;
emr->ySrc = y_src;
if (type == EMR_STRETCHBLT || type == EMR_ALPHABLEND)
if (type != EMR_BITBLT)
{
EMRSTRETCHBLT *emr_stretchblt = (EMRSTRETCHBLT *)emr;
emr_stretchblt->cxSrc = width_src;
@ -1388,6 +1388,15 @@ BOOL EMFDC_StretchBlt( DC_ATTR *dc_attr, INT x_dst, INT y_dst, INT width_dst, IN
height_src, rop, EMR_STRETCHBLT );
}
BOOL EMFDC_TransparentBlt( DC_ATTR *dc_attr, 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,
UINT color )
{
return emfdrv_stretchblt( dc_attr->emf, x_dst, y_dst, width_dst, height_dst,
hdc_src, x_src, y_src, width_src,
height_src, color, EMR_TRANSPARENTBLT );
}
BOOL EMFDC_MaskBlt( DC_ATTR *dc_attr, INT x_dst, INT y_dst, INT width_dst, INT height_dst,
HDC hdc_src, INT x_src, INT y_src, HBITMAP mask,
INT x_mask, INT y_mask, DWORD rop )

3
dlls/gdi32/gdi_private.h
View File

@ -271,6 +271,9 @@ extern BOOL EMFDC_StretchDIBits( DC_ATTR *dc_attr, INT x_dst, INT y_dst, INT wid
UINT coloruse, DWORD rop ) DECLSPEC_HIDDEN;
extern BOOL EMFDC_StrokeAndFillPath( DC_ATTR *dc_attr ) DECLSPEC_HIDDEN;
extern BOOL EMFDC_StrokePath( DC_ATTR *dc_attr ) DECLSPEC_HIDDEN;
extern BOOL EMFDC_TransparentBlt( DC_ATTR *dc_attr, 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, UINT color ) DECLSPEC_HIDDEN;
extern BOOL EMFDC_WidenPath( DC_ATTR *dc_attr ) DECLSPEC_HIDDEN;
extern HENHMETAFILE EMF_Create_HENHMETAFILE( ENHMETAHEADER *emh, DWORD filesize,

17
dlls/gdi32/gdidc.c
View File

@ -1532,6 +1532,23 @@ BOOL WINAPI PlgBlt( HDC hdc, const POINT *points, HDC hdc_src, INT x_src, INT y_
mask, x_mask, y_mask, 0 /* FIXME */ );
}
/******************************************************************************
* GdiTransparentBlt (GDI32.@)
*/
BOOL WINAPI GdiTransparentBlt( 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,
UINT color )
{
DC_ATTR *dc_attr;
if (!(dc_attr = get_dc_attr( hdc ))) return FALSE;
if (dc_attr->emf && !EMFDC_TransparentBlt( dc_attr, x_dst, y_dst, width_dst, height_dst, hdc_src,
x_src, y_src, width_src, height_src, color ))
return FALSE;
return NtGdiTransparentBlt( hdc, x_dst, y_dst, width_dst, height_dst, hdc_src, x_src, y_src,
width_src, height_src, color );
}
/******************************************************************************
* GdiAlphaBlend (GDI32.@)
*/

3
include/ntgdi.h
View File

@ -417,6 +417,9 @@ INT WINAPI NtGdiStretchDIBitsInternal( HDC hdc, INT x_dst, INT y_dst, INT w
HANDLE xform );
BOOL WINAPI NtGdiStrokePath( HDC hdc );
BOOL WINAPI NtGdiStrokeAndFillPath( HDC hdc );
BOOL WINAPI NtGdiTransparentBlt( 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,
UINT color );
BOOL WINAPI NtGdiTransformPoints( HDC hdc, const POINT *points_in, POINT *points_out,
INT count, UINT mode );
BOOL WINAPI NtGdiUnrealizeObject( HGDIOBJ obj );