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user32: Some apps pass a color bitmap as a mask to CreateIconIndirect, convert it to b/w.

This commit is contained in:
Dmitry Timoshkov 2007-01-18 19:21:05 +08:00 committed by Alexandre Julliard
parent f3cb4f7d94
commit 64f1d97a54
1 changed files with 35 additions and 8 deletions
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43
dlls/user32/cursoricon.c
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@ -1823,16 +1823,31 @@ HICON WINAPI CreateIconIndirect(PICONINFO iconinfo)
HICON16 hObj;
int sizeXor,sizeAnd;
if (iconinfo->hbmColor) GetObjectA( iconinfo->hbmColor, sizeof(bmpXor), &bmpXor );
GetObjectA( iconinfo->hbmMask, sizeof(bmpAnd), &bmpAnd );
TRACE("color %p, mask %p, hotspot %ux%u, fIcon %d\n",
iconinfo->hbmColor, iconinfo->hbmMask,
iconinfo->xHotspot, iconinfo->yHotspot, iconinfo->fIcon);
if (iconinfo->hbmColor)
{
GetObjectW( iconinfo->hbmColor, sizeof(bmpXor), &bmpXor );
TRACE("color: width %d, height %d, width bytes %d, planes %u, bpp %u\n",
bmpXor.bmWidth, bmpXor.bmHeight, bmpXor.bmWidthBytes,
bmpXor.bmPlanes, bmpXor.bmBitsPixel);
}
GetObjectW( iconinfo->hbmMask, sizeof(bmpAnd), &bmpAnd );
TRACE("mask: width %d, height %d, width bytes %d, planes %u, bpp %u\n",
bmpAnd.bmWidth, bmpAnd.bmHeight, bmpAnd.bmWidthBytes,
bmpAnd.bmPlanes, bmpAnd.bmBitsPixel);
sizeXor = iconinfo->hbmColor ? (bmpXor.bmHeight * bmpXor.bmWidthBytes) : 0;
sizeAnd = bmpAnd.bmHeight * bmpAnd.bmWidthBytes;
sizeAnd = bmpAnd.bmHeight * get_bitmap_width_bytes(bmpAnd.bmWidth, 1);
hObj = GlobalAlloc16( GMEM_MOVEABLE,
sizeof(CURSORICONINFO) + sizeXor + sizeAnd );
if (hObj)
{
HDC hdc;
BITMAPINFO bi;
CURSORICONINFO *info;
info = (CURSORICONINFO *)GlobalLock16( hObj );
@ -1860,15 +1875,27 @@ HICON WINAPI CreateIconIndirect(PICONINFO iconinfo)
else
{
info->nWidth = bmpAnd.bmWidth;
info->nHeight = bmpAnd.bmHeight / 2;
info->nWidthBytes = bmpAnd.bmWidthBytes;
info->bPlanes = bmpAnd.bmPlanes;
info->bBitsPerPixel = bmpAnd.bmBitsPixel;
info->nHeight = bmpAnd.bmHeight * 2;
info->nWidthBytes = get_bitmap_width_bytes(bmpAnd.bmWidth, 1);
info->bPlanes = 1;
info->bBitsPerPixel = 1;
}
/* Transfer the bitmap bits to the CURSORICONINFO structure */
GetBitmapBits( iconinfo->hbmMask, sizeAnd, (char*)(info + 1) );
/* Some apps pass a color bitmap as a mask, convert it to b/w */
hdc = GetDC( 0 );
memset(&bi, 0, sizeof(bi) );
bi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
bi.bmiHeader.biWidth = bmpAnd.bmWidth;
bi.bmiHeader.biHeight = bmpAnd.bmHeight;
bi.bmiHeader.biPlanes = 1;
bi.bmiHeader.biBitCount = 1;
bi.bmiHeader.biCompression = BI_RGB;
bi.bmiHeader.biSizeImage = sizeAnd;
GetDIBits( hdc, iconinfo->hbmMask, 0, bmpAnd.bmHeight, (char*)(info + 1), &bi, DIB_RGB_COLORS );
ReleaseDC( 0, hdc );
if (iconinfo->hbmColor) GetBitmapBits( iconinfo->hbmColor, sizeXor, (char*)(info + 1) + sizeAnd );
GlobalUnlock16( hObj );
}