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Fix clipping for DrawThemeParentBackground.

This commit is contained in:
Kevin Koltzau 2004-11-21 15:33:36 +00:00 committed by Alexandre Julliard
parent a93fb4a0e9
commit a2101225fe
1 changed files with 17 additions and 0 deletions
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17
dlls/uxtheme/draw.c
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@ -72,6 +72,9 @@ HRESULT WINAPI DrawThemeParentBackground(HWND hwnd, HDC hdc, RECT *prc)
RECT rt;
POINT org;
HWND hParent;
HRGN clip = NULL;
int hasClip = -1;
TRACE("(%p,%p,%p)\n", hwnd, hdc, prc);
hParent = GetParent(hwnd);
if(!hParent)
@ -79,6 +82,13 @@ HRESULT WINAPI DrawThemeParentBackground(HWND hwnd, HDC hdc, RECT *prc)
if(prc) {
CopyRect(&rt, prc);
MapWindowPoints(hwnd, NULL, (LPPOINT)&rt, 2);
clip = CreateRectRgn(0,0,1,1);
hasClip = GetClipRgn(hdc, clip);
if(hasClip == -1)
TRACE("Failed to get original clipping region\n");
else
IntersectClipRect(hdc, prc->left, prc->top, prc->right, prc->bottom);
}
else {
GetClientRect(hParent, &rt);
@ -91,6 +101,13 @@ HRESULT WINAPI DrawThemeParentBackground(HWND hwnd, HDC hdc, RECT *prc)
SendMessageW(hParent, WM_PRINTCLIENT, (WPARAM)hdc, PRF_CLIENT);
SetViewportOrgEx(hdc, org.x, org.y, NULL);
if(prc) {
if(hasClip == 0)
SelectClipRgn(hdc, NULL);
else if(hasClip == 1)
SelectClipRgn(hdc, clip);
DeleteObject(clip);
}
return S_OK;
}