| | 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 | // ref counting code |
| | 44 | virtual wxObjectRefData *CreateRefData() const; |
| | 45 | virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const; |
| | 46 | |
| | 47 | // wxRegionBase pure virtuals |
| | 48 | virtual bool DoIsEqual(const wxRegion& region) const; |
| | 49 | virtual bool DoGetBox(wxCoord& x, wxCoord& y, wxCoord& w, wxCoord& h) const; |
| | 50 | virtual wxRegionContain DoContainsPoint(wxCoord x, wxCoord y) const; |
| | 51 | virtual wxRegionContain DoContainsRect(const wxRect& rect) const; |
| | 52 | |
| | 53 | virtual bool DoOffset(wxCoord x, wxCoord y); |
| | 54 | virtual bool DoUnionWithRect(const wxRect& rect); |
| | 55 | virtual bool DoUnionWithRegion(const wxRegion& region); |
| | 56 | virtual bool DoIntersect(const wxRegion& region); |
| | 57 | virtual bool DoSubtract(const wxRegion& region); |
| | 58 | virtual bool DoXor(const wxRegion& region); |
| | 59 | |
| | 60 | |
| | 61 | friend class WXDLLIMPEXP_CORE wxRegionIterator; |
| | 62 | |
| | 63 | DECLARE_DYNAMIC_CLASS(wxRegion); |
| | 64 | }; |
| | 65 | |
| | 66 | |
| | 67 | class WXDLLIMPEXP_CORE wxRegionIterator : public wxObject |
| | 68 | { |
| | 69 | public: |
| | 70 | wxRegionIterator() {} |
| | 71 | wxRegionIterator(const wxRegion& region) { Reset(region); } |
| | 72 | |
| | 73 | void Reset() { m_rect = wxRect(); } |
| | 74 | void Reset(const wxRegion& region); |
| | 75 | |
| | 76 | bool HaveRects() const { return !m_rect.IsEmpty(); } |
| | 77 | operator bool() const { return HaveRects(); } |
| | 78 | |
| | 79 | wxRegionIterator& operator++(); |
| | 80 | wxRegionIterator operator++(int); |
| | 81 | |
| | 82 | wxCoord GetX() const { return m_rect.GetX(); } |
| | 83 | wxCoord GetY() const { return m_rect.GetY(); } |
| | 84 | wxCoord GetW() const { return m_rect.GetWidth(); } |
| | 85 | wxCoord GetWidth() const { return GetW(); } |
| | 86 | wxCoord GetH() const { return m_rect.GetHeight(); } |
| | 87 | wxCoord GetHeight() const { return GetH(); } |
| | 88 | wxRect GetRect() const { return m_rect; } |
| | 89 | |
| | 90 | private: |
| | 91 | wxRect m_rect; |
| | 92 | |
| | 93 | DECLARE_DYNAMIC_CLASS(wxRegionIterator); |
| | 94 | }; |
| | 95 | |
| | 96 | #endif // _WX_DFB_REGION_H_ |
projects / wxWidgets.git / blame_incremental