Fixed bug to create shadow for window

Signed-off-by: jiajia_deng <[email protected]>
SevenG3 · May 4, 2018 · 31d3249 · 31d3249
1 parent 45416a1
commit 31d3249
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/DuiLib/Utils/WndShadow.cpp b/DuiLib/Utils/WndShadow.cpp
@@ -403,7 +403,7 @@ void CWndShadow::MakeShadow(UINT32 *pShadBits, HWND hParent, RECT *rcParent)
 	// The algorithm is optimized by assuming parent window is just "one piece" and without "wholes" on it
 
 	// Get the region of parent window,
-	HRGN hParentRgn = CreateRectRgn(0, 0, 0, 0);
+	HRGN hParentRgn = CreateRectRgn(0, 0, rcParent->right - rcParent->left, rcParent->bottom - rcParent->top);
 	GetWindowRgn(hParent, hParentRgn);
 
 	// Determine the Start and end point of each horizontal scan line