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[uxtheme]

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- Unfortunately ExtCreateRegion does not seem to work, so for the time being use a simpler (and slower) implementation of UXTHEME_RegionFromDibBits that uses multiple calls to CombineRgn

svn path=/branches/GSoC_2011/ThemesSupport/; revision=53224
This commit is contained in:
Giannis Adamopoulos 2011-08-14 10:52:13 +00:00
parent cae9fb95e4
commit 5ceabc031a
1 changed files with 16 additions and 0 deletions
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16
dll/win32/uxtheme/draw.c
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@ -1771,8 +1771,12 @@ static HRGN UXTHEME_RegionFromDibBits(RGBQUAD* pBuffer, RGBQUAD* pclrTransparent
{
int x, y, xstart;
int cMaxRgnRects, cRgnDataSize, cRgnRects;
#ifdef EXTCREATEREGION_WORKS
RECT* prcCurrent;
PRGNDATA prgnData;
#else
HRGN hrgnTemp;
#endif
ULONG clrTransparent, *pclrCurrent;
HRGN hrgnRet;
@ -1784,10 +1788,14 @@ static HRGN UXTHEME_RegionFromDibBits(RGBQUAD* pBuffer, RGBQUAD* pclrTransparent
cMaxRgnRects = 4* (pRect->bottom-pRect->top);
cRgnDataSize = sizeof(RGNDATA) + cMaxRgnRects * sizeof(RECT);
#ifdef EXTCREATEREGION_WORKS
/* Allocate the region data */
prgnData = (PRGNDATA)HeapAlloc(GetProcessHeap(), 0, cRgnDataSize);
prcCurrent = (PRECT)prgnData->Buffer;
#else
hrgnRet = CreateRectRgn(0,0,0,0);
#endif
/* Calculate the region rects */
y=0;
@ -1811,6 +1819,7 @@ static HRGN UXTHEME_RegionFromDibBits(RGBQUAD* pBuffer, RGBQUAD* pclrTransparent
pclrCurrent++;
}
#ifdef EXTCREATEREGION_WORKS
/* Add the scaned line to the region */
SetRect(prcCurrent, xstart, y,x,y+1);
prcCurrent++;
@ -1827,6 +1836,11 @@ static HRGN UXTHEME_RegionFromDibBits(RGBQUAD* pBuffer, RGBQUAD* pclrTransparent
cRgnDataSize);
prcCurrent = (RECT*)prgnData->Buffer + cRgnRects;
}
#else
hrgnTemp = CreateRectRgn(xstart, y,x,y+1);
CombineRgn(hrgnRet, hrgnRet, hrgnTemp, RGN_OR );
DeleteObject(hrgnTemp);
#endif
}
else
{
@ -1837,6 +1851,7 @@ static HRGN UXTHEME_RegionFromDibBits(RGBQUAD* pBuffer, RGBQUAD* pclrTransparent
y++;
}
#ifdef EXTCREATEREGION_WORKS
/* Fill the region data header */
prgnData->rdh.dwSize = sizeof(prgnData->rdh);
prgnData->rdh.iType = RDH_RECTANGLES;
@ -1849,6 +1864,7 @@ static HRGN UXTHEME_RegionFromDibBits(RGBQUAD* pBuffer, RGBQUAD* pclrTransparent
/* Free the region data*/
HeapFree(GetProcessHeap(),0,prgnData);
#endif
/* return the region*/
return hrgnRet;