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uxtheme: Resize source image if destination smaller than margins.

This commit is contained in:
Mark Harmstone 2015-04-14 22:12:01 +01:00 committed by Alexandre Julliard
parent 582b54329d
commit 2b650fa6db
1 changed files with 32 additions and 2 deletions
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34
dlls/uxtheme/draw.c
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@ -663,9 +663,9 @@ static HRESULT UXTHEME_DrawImageBackground(HTHEME hTheme, HDC hdc, int iPartId,
const DTBGOPTS *pOptions) const DTBGOPTS *pOptions)
{ {
HRESULT hr = S_OK; HRESULT hr = S_OK;
HBITMAP bmpSrc; HBITMAP bmpSrc, bmpSrcResized = NULL;
HGDIOBJ oldSrc; HGDIOBJ oldSrc;
HDC hdcSrc; HDC hdcSrc, hdcOrigSrc = NULL;
RECT rcSrc; RECT rcSrc;
RECT rcDst; RECT rcDst;
POINT dstSize; POINT dstSize;
@ -729,6 +729,34 @@ static HRESULT UXTHEME_DrawImageBackground(HTHEME hTheme, HDC hdc, int iPartId,
GetThemeMargins(hTheme, hdc, iPartId, iStateId, TMT_SIZINGMARGINS, NULL, &sm); GetThemeMargins(hTheme, hdc, iPartId, iStateId, TMT_SIZINGMARGINS, NULL, &sm);
/* Resize source image if destination smaller than margins */
if (sm.cyTopHeight + sm.cyBottomHeight > dstSize.y || sm.cxLeftWidth + sm.cxRightWidth > dstSize.x) {
if (sm.cyTopHeight + sm.cyBottomHeight > dstSize.y) {
sm.cyTopHeight = MulDiv(sm.cyTopHeight, dstSize.y, srcSize.y);
sm.cyBottomHeight = dstSize.y - sm.cyTopHeight;
srcSize.y = dstSize.y;
}
if (sm.cxLeftWidth + sm.cxRightWidth > dstSize.x) {
sm.cxLeftWidth = MulDiv(sm.cxLeftWidth, dstSize.x, srcSize.x);
sm.cxRightWidth = dstSize.x - sm.cxLeftWidth;
srcSize.x = dstSize.x;
}
hdcOrigSrc = hdcSrc;
hdcSrc = CreateCompatibleDC(NULL);
bmpSrcResized = CreateBitmap(srcSize.x, srcSize.y, 1, 32, NULL);
SelectObject(hdcSrc, bmpSrcResized);
UXTHEME_StretchBlt(hdcSrc, 0, 0, srcSize.x, srcSize.y, hdcOrigSrc, rcSrc.left, rcSrc.top,
rcSrc.right - rcSrc.left, rcSrc.bottom - rcSrc.top, transparent, transparentcolor);
rcSrc.left = 0;
rcSrc.top = 0;
rcSrc.right = srcSize.x;
rcSrc.bottom = srcSize.y;
}
hdcDst = hdc; hdcDst = hdc;
OffsetViewportOrgEx(hdcDst, rcDst.left, rcDst.top, &org); OffsetViewportOrgEx(hdcDst, rcDst.left, rcDst.top, &org);
@ -833,6 +861,8 @@ draw_error:
} }
SelectObject(hdcSrc, oldSrc); SelectObject(hdcSrc, oldSrc);
DeleteDC(hdcSrc); DeleteDC(hdcSrc);
if (bmpSrcResized) DeleteObject(bmpSrcResized);
if (hdcOrigSrc) DeleteDC(hdcOrigSrc);
CopyRect(pRect, &rcDst); CopyRect(pRect, &rcDst);
return hr; return hr;
} }