| | 1 | ///////////////////////////////////////////////////////////////////////////// |
| | 2 | // Name: wx/os2/region.h |
| | 3 | // Purpose: wxRegion class |
| | 4 | // Author: David Webster |
| | 5 | // Modified by: |
| | 6 | // Created: 10/15/99 |
| | 7 | // RCS-ID: $Id$ |
| | 8 | // Copyright: (c) David Webster |
| | 9 | // Licence: wxWindows licence |
| | 10 | ///////////////////////////////////////////////////////////////////////////// |
| | 11 | |
| | 12 | #ifndef _WX_OS2_REGION_H_ |
| | 13 | #define _WX_OS2_REGION_H_ |
| | 14 | |
| | 15 | #include "wx/list.h" |
| | 16 | #include "wx/os2/private.h" |
| | 17 | |
| | 18 | class WXDLLIMPEXP_CORE wxRegion : public wxRegionWithCombine |
| | 19 | { |
| | 20 | public: |
| | 21 | wxRegion( wxCoord x |
| | 22 | ,wxCoord y |
| | 23 | ,wxCoord vWidth |
| | 24 | ,wxCoord vHeight |
| | 25 | ); |
| | 26 | wxRegion( const wxPoint& rTopLeft |
| | 27 | ,const wxPoint& rBottomRight |
| | 28 | ); |
| | 29 | wxRegion(const wxRect& rRect); |
| | 30 | wxRegion(WXHRGN hRegion, WXHDC hPS); // Hangs on to this region |
| | 31 | wxRegion(size_t n, const wxPoint *points, int fillStyle = wxODDEVEN_RULE ); |
| | 32 | wxRegion( const wxBitmap& bmp) |
| | 33 | { |
| | 34 | Union(bmp); |
| | 35 | } |
| | 36 | wxRegion( const wxBitmap& bmp, |
| | 37 | const wxColour& transColour, int tolerance = 0) |
| | 38 | { |
| | 39 | Union(bmp, transColour, tolerance); |
| | 40 | } |
| | 41 | |
| | 42 | wxRegion(); |
| | 43 | virtual ~wxRegion(); |
| | 44 | |
| | 45 | // |
| | 46 | // Modify region |
| | 47 | // |
| | 48 | |
| | 49 | // |
| | 50 | // Clear current region |
| | 51 | // |
| | 52 | virtual void Clear(); |
| | 53 | |
| | 54 | // |
| | 55 | // Is region empty? |
| | 56 | // |
| | 57 | virtual bool IsEmpty() const; |
| | 58 | |
| | 59 | // |
| | 60 | // Get internal region handle |
| | 61 | // |
| | 62 | WXHRGN GetHRGN() const; |
| | 63 | |
| | 64 | void SetPS(HPS hPS); |
| | 65 | |
| | 66 | protected: |
| | 67 | virtual wxGDIRefData* CreateGDIRefData(void) const; |
| | 68 | virtual wxGDIRefData* CloneGDIRefData(const wxGDIRefData* pData) const; |
| | 69 | |
| | 70 | virtual bool DoIsEqual(const wxRegion& region) const; |
| | 71 | virtual bool DoGetBox(wxCoord& x, wxCoord& y, wxCoord& w, wxCoord& h) const; |
| | 72 | virtual wxRegionContain DoContainsPoint(wxCoord x, wxCoord y) const; |
| | 73 | virtual wxRegionContain DoContainsRect(const wxRect& rect) const; |
| | 74 | |
| | 75 | virtual bool DoOffset(wxCoord x, wxCoord y); |
| | 76 | virtual bool DoCombine(const wxRegion& region, wxRegionOp op); |
| | 77 | |
| | 78 | friend class WXDLLIMPEXP_FWD_CORE wxRegionIterator; |
| | 79 | DECLARE_DYNAMIC_CLASS(wxRegion); |
| | 80 | |
| | 81 | }; // end of CLASS wxRegion |
| | 82 | |
| | 83 | class WXDLLIMPEXP_CORE wxRegionIterator : public wxObject |
| | 84 | { |
| | 85 | public: |
| | 86 | wxRegionIterator(); |
| | 87 | wxRegionIterator(const wxRegion& rRegion); |
| | 88 | virtual ~wxRegionIterator(); |
| | 89 | |
| | 90 | void Reset(void) { m_lCurrent = 0; } |
| | 91 | void Reset(const wxRegion& rRegion); |
| | 92 | |
| | 93 | operator bool (void) const { return m_lCurrent < m_lNumRects; } |
| | 94 | bool HaveRects(void) const { return m_lCurrent < m_lNumRects; } |
| | 95 | |
| | 96 | void operator ++ (void); |
| | 97 | void operator ++ (int); |
| | 98 | |
| | 99 | wxCoord GetX(void) const; |
| | 100 | wxCoord GetY(void) const; |
| | 101 | wxCoord GetW(void) const; |
| | 102 | wxCoord GetWidth(void) const { return GetW(); } |
| | 103 | wxCoord GetH(void) const; |
| | 104 | wxCoord GetHeight(void) const { return GetH(); } |
| | 105 | wxRect GetRect(void) const { return wxRect(GetX(), GetY(), GetWidth(), GetHeight()); } |
| | 106 | |
| | 107 | private: |
| | 108 | long m_lCurrent; |
| | 109 | long m_lNumRects; |
| | 110 | wxRegion m_vRegion; |
| | 111 | wxRect* m_pRects; |
| | 112 | |
| | 113 | DECLARE_DYNAMIC_CLASS(wxRegionIterator) |
| | 114 | }; // end of wxRegionIterator |
| | 115 | |
| | 116 | #endif // _WX_OS2_REGION_H_ |
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