initial commit

Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>

libs/wxWidgets-3.3.1/include/wx/gtk/region.h

@@ -0,0 +1,138 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/gtk/region.h
+// Purpose:
+// Author:      Robert Roebling
+// Copyright:   (c) 1998 Robert Roebling
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_GTK_REGION_H_
+#define _WX_GTK_REGION_H_
+
+#ifdef __WXGTK3__
+typedef struct _cairo_region cairo_region_t;
+#endif
+
+// ----------------------------------------------------------------------------
+// wxRegion
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_CORE wxRegion : public wxRegionBase
+{
+public:
+    wxRegion() = default;
+
+    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,
+              wxPolygonFillMode fillStyle = wxODDEVEN_RULE );
+
+#if wxUSE_IMAGE
+    wxRegion( const wxBitmap& bmp)
+    {
+        Union(bmp);
+    }
+    wxRegion( const wxBitmap& bmp,
+              const wxColour& transColour, int tolerance = 0)
+    {
+        Union(bmp, transColour, tolerance);
+    }
+#endif // wxUSE_IMAGE
+
+    virtual ~wxRegion();
+
+    // wxRegionBase methods
+    virtual void Clear() override;
+    virtual bool IsEmpty() const override;
+
+#ifdef __WXGTK3__
+    cairo_region_t* GetRegion() const;
+#else
+    wxRegion(const GdkRegion* region);
+    GdkRegion *GetRegion() const;
+#endif
+
+protected:
+    virtual wxGDIRefData *CreateGDIRefData() const override;
+    wxNODISCARD virtual wxGDIRefData *CloneGDIRefData(const wxGDIRefData *data) const override;
+
+    // wxRegionBase pure virtuals
+    virtual bool DoIsEqual(const wxRegion& region) const override;
+    virtual bool DoGetBox(wxCoord& x, wxCoord& y, wxCoord& w, wxCoord& h) const override;
+    virtual wxRegionContain DoContainsPoint(wxCoord x, wxCoord y) const override;
+    virtual wxRegionContain DoContainsRect(const wxRect& rect) const override;
+
+    virtual bool DoOffset(wxCoord x, wxCoord y) override;
+    virtual bool DoUnionWithRect(const wxRect& rect) override;
+    virtual bool DoUnionWithRegion(const wxRegion& region) override;
+    virtual bool DoIntersect(const wxRegion& region) override;
+    virtual bool DoSubtract(const wxRegion& region) override;
+    virtual bool DoXor(const wxRegion& region) override;
+
+    // common part of ctors for a rectangle region
+    void InitRect(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
+
+private:
+    wxDECLARE_DYNAMIC_CLASS(wxRegion);
+};
+
+// ----------------------------------------------------------------------------
+// wxRegionIterator: decomposes a region into rectangles
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_CORE wxRegionIterator: public wxObject
+{
+public:
+    wxRegionIterator();
+    wxRegionIterator(const wxRegion& region);
+    wxRegionIterator(const wxRegionIterator& ri) : wxObject(ri) { Init(); *this = ri; }
+    ~wxRegionIterator();
+
+    wxRegionIterator& operator=(const wxRegionIterator& ri);
+
+    void Reset() { m_current = 0u; }
+    void Reset(const wxRegion& region);
+
+    bool HaveRects() const;
+    operator bool () const { return HaveRects(); }
+
+    wxRegionIterator& operator ++ ();
+    wxRegionIterator operator ++ (int);
+
+    wxCoord GetX() const;
+    wxCoord GetY() const;
+    wxCoord GetW() const;
+    wxCoord GetWidth() const { return GetW(); }
+    wxCoord GetH() const;
+    wxCoord GetHeight() const { return GetH(); }
+    wxRect GetRect() const;
+
+private:
+    void Init();
+    void CreateRects( const wxRegion& r );
+
+    wxRegion m_region;
+    wxRect *m_rects;
+    int m_numRects;
+    int m_current;
+
+    wxDECLARE_DYNAMIC_CLASS(wxRegionIterator);
+};
+
+
+#endif
+        // _WX_GTK_REGION_H_