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comctl32: Create a helper function to copy a block of images.

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Mike McCormack 2006-11-05 14:04:50 +09:00 committed by Alexandre Julliard
parent 83149b1d2c
commit 7370fc0e70
1 changed files with 19 additions and 10 deletions
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29
dlls/comctl32/imagelist.c
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@ -96,6 +96,18 @@ static inline void imagelist_get_bitmap_size( HIMAGELIST himl, UINT count, UINT
sz->cy = cy;
}
static inline void imagelist_copy_images( HIMAGELIST himl, HDC hdcSrc, HDC hdcDest,
UINT src, UINT count, UINT dest )
{
POINT ptSrc, ptDest;
SIZE sz;
imagelist_point_from_index( himl, src, &ptSrc );
imagelist_point_from_index( himl, dest, &ptDest );
imagelist_get_bitmap_size( himl, count, himl->cy, &sz );
BitBlt (hdcDest, ptSrc.x, ptSrc.y, sz.cx, sz.cy, hdcSrc, ptDest.x, ptDest.y, SRCCOPY);
}
/*************************************************************************
* IMAGELIST_InternalExpandBitmaps [Internal]
*
@ -2124,32 +2136,29 @@ ImageList_Remove (HIMAGELIST himl, INT i)
/* copy all images and masks prior to the "removed" image */
if (i > 0) {
SIZE sz;
TRACE("Pre image copy: Copy %d images\n", i);
SelectObject (hdcBmp, hbmNewImage);
imagelist_get_bitmap_size( himl, i, himl->cy, &sz );
BitBlt (hdcBmp, 0, 0, sz.cx, sz.cy, himl->hdcImage, 0, 0, SRCCOPY);
imagelist_copy_images( himl, himl->hdcImage, hdcBmp, 0, i, 0 );
if (himl->hbmMask) {
SelectObject (hdcBmp, hbmNewMask);
BitBlt (hdcBmp, 0, 0, sz.cx, sz.cy, himl->hdcMask, 0, 0, SRCCOPY);
imagelist_copy_images( himl, himl->hdcMask, hdcBmp, 0, i, 0 );
}
}
/* copy all images and masks behind the removed image */
if (i < himl->cCurImage - 1) {
TRACE("Post image copy!\n");
SelectObject (hdcBmp, hbmNewImage);
BitBlt (hdcBmp, i * himl->cx, 0, (himl->cCurImage - i - 1) * himl->cx,
himl->cy, himl->hdcImage, (i + 1) * himl->cx, 0, SRCCOPY);
imagelist_copy_images( himl, himl->hdcImage, hdcBmp, i,
(himl->cCurImage - i - 1), i + 1 );
if (himl->hbmMask) {
SelectObject (hdcBmp, hbmNewMask);
BitBlt (hdcBmp, i * himl->cx, 0,
(himl->cCurImage - i - 1) * himl->cx,
himl->cy, himl->hdcMask, (i + 1) * himl->cx, 0, SRCCOPY);
imagelist_copy_images( himl, himl->hdcMask, hdcBmp, i,
(himl->cCurImage - i - 1), i + 1 );
}
}