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In ImageList_Draw when drawing the bitmap with the transparent flag 

set, background color/foreground color should be set to white/black,
when doing bitblt operation with the bitmap mask.
This commit is contained in:
Stephane Lussier 1999-09-19 14:14:24 +00:00 committed by Alexandre Julliard
parent 56a8644718
commit 274925980d
1 changed files with 10 additions and 0 deletions
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10
dlls/comctl32/imagelist.c
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@ -188,6 +188,7 @@ IMAGELIST_InternalDrawMask(IMAGELISTDRAWPARAMS *pimldp, INT cx, INT cy)
HBRUSH hBrush, hOldBrush;
HBITMAP hOldBitmapImage, hOldBitmapMask;
HIMAGELIST himlLocal = pimldp->himl;
COLORREF oldBkColor, oldFgColor;
bUseCustomBackground = (himlLocal->clrBk != CLR_NONE);
bBlendFlag = (pimldp->fStyle & ILD_BLEND50 )
@ -220,6 +221,12 @@ IMAGELIST_InternalDrawMask(IMAGELISTDRAWPARAMS *pimldp, INT cx, INT cy)
|| ((pimldp->fStyle & ILD_IMAGE) && bUseCustomBackground)
|| bBlendFlag)
{
/* to obtain a transparent look, background color should be set
to white and foreground color to black when blting the
monochrome mask. */
oldBkColor = SetBkColor(pimldp->hdcDst, RGB(0xff, 0xff, 0xff));
oldFgColor = SetTextColor(pimldp->hdcDst, RGB(0, 0, 0));
BitBlt(pimldp->hdcDst,
pimldp->x, pimldp->y, cx, cy,
hMaskDC,
@ -231,6 +238,9 @@ IMAGELIST_InternalDrawMask(IMAGELISTDRAWPARAMS *pimldp, INT cx, INT cy)
hImageDC,
himlLocal->cx * pimldp->i, 0,
SRCPAINT);
SetBkColor(pimldp->hdcDst, oldBkColor);
SetTextColor(pimldp->hdcDst, oldFgColor);
}
/* Draw the image when no Background is specified
*/