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fixed crash in wxRegion::Empty

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10985 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2001-07-12 16:23:58 +00:00
parent 0f02d3d0ec
commit 2c40e41c4e
1 changed files with 8 additions and 7 deletions
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15
src/msw/region.cpp
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@@ -26,8 +26,8 @@
#include "wx/window.h"
#include "wx/msw/private.h"
IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject)
IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator, wxObject)
IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject)
IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator, wxObject)
//-----------------------------------------------------------------------------
// wxRegionRefData implementation
@@ -197,14 +197,17 @@ bool wxRegion::Combine(const wxRect& rect, wxRegionOp op)
// Outer bounds of region
void wxRegion::GetBox(wxCoord& x, wxCoord& y, wxCoord&w, wxCoord &h) const
{
if (m_refData) {
if (m_refData)
{
RECT rect;
::GetRgnBox(M_REGION, & rect);
x = rect.left;
y = rect.top;
w = rect.right - rect.left;
h = rect.bottom - rect.top;
} else {
}
else
{
x = y = w = h = 0;
}
}
@@ -219,12 +222,10 @@ wxRect wxRegion::GetBox() const
// Is region empty?
bool wxRegion::Empty() const
{
if (M_REGION == 0)
return TRUE;
wxCoord x, y, w, h;
GetBox(x, y, w, h);
return ((w == 0) && (h == 0));
return (w == 0) && (h == 0);
}
//-----------------------------------------------------------------------------