| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: wx/dfb/region.h |
| 3 | // Purpose: wxRegion class |
| 4 | // Author: Vaclav Slavik |
| 5 | // Created: 2006-08-08 |
| 6 | // RCS-ID: $Id$ |
| 7 | // Copyright: (c) 2006 REA Elektronik GmbH |
| 8 | // Licence: wxWindows licence |
| 9 | ///////////////////////////////////////////////////////////////////////////// |
| 10 | |
| 11 | #ifndef _WX_DFB_REGION_H_ |
| 12 | #define _WX_DFB_REGION_H_ |
| 13 | |
| 14 | class WXDLLIMPEXP_CORE wxRegion : public wxRegionBase |
| 15 | { |
| 16 | public: |
| 17 | wxRegion(); |
| 18 | wxRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h); |
| 19 | wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight); |
| 20 | wxRegion(const wxRect& rect); |
| 21 | wxRegion(const wxBitmap& bmp) |
| 22 | { |
| 23 | Union(bmp); |
| 24 | } |
| 25 | wxRegion(const wxBitmap& bmp, |
| 26 | const wxColour& transColour, int tolerance = 0) |
| 27 | { |
| 28 | Union(bmp, transColour, tolerance); |
| 29 | } |
| 30 | |
| 31 | virtual ~wxRegion(); |
| 32 | |
| 33 | // wxRegionBase methods |
| 34 | virtual void Clear(); |
| 35 | virtual bool IsEmpty() const; |
| 36 | |
| 37 | // NB: implementation detail of DirectFB, should be removed if full |
| 38 | // (i.e. not rect-only version is implemented) so that all code that |
| 39 | // assumes region==rect breaks |
| 40 | wxRect AsRect() const { return GetBox(); } |
| 41 | |
| 42 | protected: |
| 43 | virtual wxGDIRefData *CreateGDIRefData() const; |
| 44 | virtual wxGDIRefData *CloneGDIRefData(const wxGDIRefData *data) const; |
| 45 | |
| 46 | // wxRegionBase pure virtuals |
| 47 | virtual bool DoIsEqual(const wxRegion& region) const; |
| 48 | virtual bool DoGetBox(wxCoord& x, wxCoord& y, wxCoord& w, wxCoord& h) const; |
| 49 | virtual wxRegionContain DoContainsPoint(wxCoord x, wxCoord y) const; |
| 50 | virtual wxRegionContain DoContainsRect(const wxRect& rect) const; |
| 51 | |
| 52 | virtual bool DoOffset(wxCoord x, wxCoord y); |
| 53 | virtual bool DoUnionWithRect(const wxRect& rect); |
| 54 | virtual bool DoUnionWithRegion(const wxRegion& region); |
| 55 | virtual bool DoIntersect(const wxRegion& region); |
| 56 | virtual bool DoSubtract(const wxRegion& region); |
| 57 | virtual bool DoXor(const wxRegion& region); |
| 58 | |
| 59 | |
| 60 | friend class WXDLLIMPEXP_FWD_CORE wxRegionIterator; |
| 61 | |
| 62 | DECLARE_DYNAMIC_CLASS(wxRegion); |
| 63 | }; |
| 64 | |
| 65 | |
| 66 | class WXDLLIMPEXP_CORE wxRegionIterator : public wxObject |
| 67 | { |
| 68 | public: |
| 69 | wxRegionIterator() {} |
| 70 | wxRegionIterator(const wxRegion& region) { Reset(region); } |
| 71 | |
| 72 | void Reset() { m_rect = wxRect(); } |
| 73 | void Reset(const wxRegion& region); |
| 74 | |
| 75 | bool HaveRects() const { return !m_rect.IsEmpty(); } |
| 76 | operator bool() const { return HaveRects(); } |
| 77 | |
| 78 | wxRegionIterator& operator++(); |
| 79 | wxRegionIterator operator++(int); |
| 80 | |
| 81 | wxCoord GetX() const { return m_rect.GetX(); } |
| 82 | wxCoord GetY() const { return m_rect.GetY(); } |
| 83 | wxCoord GetW() const { return m_rect.GetWidth(); } |
| 84 | wxCoord GetWidth() const { return GetW(); } |
| 85 | wxCoord GetH() const { return m_rect.GetHeight(); } |
| 86 | wxCoord GetHeight() const { return GetH(); } |
| 87 | wxRect GetRect() const { return m_rect; } |
| 88 | |
| 89 | private: |
| 90 | wxRect m_rect; |
| 91 | |
| 92 | DECLARE_DYNAMIC_CLASS(wxRegionIterator); |
| 93 | }; |
| 94 | |
| 95 | #endif // _WX_DFB_REGION_H_ |