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fixed wxRegion::Offset() to not modify the shared regions

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@13978 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2002-02-03 11:49:31 +00:00
parent 4d876ee3f7
commit 9fe4c99cc5
4 changed files with 92 additions and 162 deletions
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32
include/wx/gtk/region.h
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@@ -52,11 +52,25 @@ enum wxRegionOp
class wxRegion : public wxGDIObject
{
public:
wxRegion();
wxRegion( wxCoord x, wxCoord y, wxCoord w, wxCoord h );
wxRegion( const wxPoint& topLeft, const wxPoint& bottomRight );
wxRegion( const wxRect& rect );
wxRegion(size_t n, const wxPoint *points, int fillStyle = wxODDEVEN_RULE );
wxRegion() { }
wxRegion( wxCoord x, wxCoord y, wxCoord w, wxCoord h )
{
InitRect(x, y, w, h);
}
wxRegion( const wxPoint& topLeft, const wxPoint& bottomRight )
{
InitRect(topLeft.x, topLeft.y,
bottomRight.x - topLeft.x, bottomRight.y - topLeft.y);
}
wxRegion( const wxRect& rect )
{
InitRect(rect.x, rect.y, rect.width, rect.height);
}
wxRegion( size_t n, const wxPoint *points, int fillStyle = wxODDEVEN_RULE );
virtual ~wxRegion();
wxRegion( const wxRegion& r ) { Ref(r); }
@@ -66,7 +80,7 @@ public:
bool operator != ( const wxRegion& region );
void Clear();
bool Offset( wxCoord x, wxCoord y );
bool Union( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
@@ -101,12 +115,12 @@ public:
GdkRegion *GetRegion() const;
protected:
// common part of ctors for a rectangle region
void InitRect(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
// helper of Intersect()
bool IntersectRegionOnly(const wxRegion& reg);
// call this before modifying the region
void Unshare();
private:
DECLARE_DYNAMIC_CLASS(wxRegion);
};