| | 1 | ///////////////////////////////////////////////////////////////////////////// |
| | 2 | // Name: wx/palmos/region.h |
| | 3 | // Purpose: wxRegion class |
| | 4 | // Author: Julian Smart |
| | 5 | // Modified by: |
| | 6 | // Created: 01/02/97 |
| | 7 | // RCS-ID: $Id$ |
| | 8 | // Copyright: (c) 1997-2002 wxWidgets team |
| | 9 | // Licence: wxWindows licence |
| | 10 | ///////////////////////////////////////////////////////////////////////////// |
| | 11 | |
| | 12 | #ifndef _WX_PALMOS_REGION_H_ |
| | 13 | #define _WX_PALMOS_REGION_H_ |
| | 14 | |
| | 15 | class WXDLLEXPORT wxRegion : public wxRegionWithCombine |
| | 16 | { |
| | 17 | public: |
| | 18 | wxRegion(); |
| | 19 | wxRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h); |
| | 20 | wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight); |
| | 21 | wxRegion(const wxRect& rect); |
| | 22 | wxRegion(WXHRGN hRegion); // Hangs on to this region |
| | 23 | wxRegion(size_t n, const wxPoint *points, int fillStyle = wxODDEVEN_RULE ); |
| | 24 | |
| | 25 | #if wxUSE_IMAGE |
| | 26 | wxRegion( const wxBitmap& bmp) |
| | 27 | { |
| | 28 | Union(bmp); |
| | 29 | } |
| | 30 | wxRegion( const wxBitmap& bmp, |
| | 31 | const wxColour& transColour, int tolerance = 0) |
| | 32 | { |
| | 33 | Union(bmp, transColour, tolerance); |
| | 34 | } |
| | 35 | #endif |
| | 36 | |
| | 37 | virtual ~wxRegion(); |
| | 38 | |
| | 39 | // wxRegionBase methods |
| | 40 | virtual void Clear(); |
| | 41 | virtual bool IsEmpty() const; |
| | 42 | |
| | 43 | // Get internal region handle |
| | 44 | WXHRGN GetHRGN() const; |
| | 45 | |
| | 46 | protected: |
| | 47 | virtual wxObjectRefData *CreateRefData() const; |
| | 48 | virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const; |
| | 49 | |
| | 50 | virtual bool DoIsEqual(const wxRegion& region) const; |
| | 51 | virtual bool DoGetBox(wxCoord& x, wxCoord& y, wxCoord& w, wxCoord& h) const; |
| | 52 | virtual wxRegionContain DoContainsPoint(wxCoord x, wxCoord y) const; |
| | 53 | virtual wxRegionContain DoContainsRect(const wxRect& rect) const; |
| | 54 | |
| | 55 | virtual bool DoOffset(wxCoord x, wxCoord y); |
| | 56 | virtual bool DoCombine(const wxRegion& region, wxRegionOp op); |
| | 57 | |
| | 58 | friend class WXDLLEXPORT wxRegionIterator; |
| | 59 | |
| | 60 | DECLARE_DYNAMIC_CLASS(wxRegion) |
| | 61 | }; |
| | 62 | |
| | 63 | class WXDLLEXPORT wxRegionIterator : public wxObject |
| | 64 | { |
| | 65 | public: |
| | 66 | wxRegionIterator() { Init(); } |
| | 67 | wxRegionIterator(const wxRegion& region); |
| | 68 | wxRegionIterator(const wxRegionIterator& ri) : wxObject(ri) { Init(); *this = ri; } |
| | 69 | |
| | 70 | wxRegionIterator& operator=(const wxRegionIterator& ri); |
| | 71 | |
| | 72 | virtual ~wxRegionIterator(); |
| | 73 | |
| | 74 | void Reset() { m_current = 0; } |
| | 75 | void Reset(const wxRegion& region); |
| | 76 | |
| | 77 | bool HaveRects() const { return (m_current < m_numRects); } |
| | 78 | |
| | 79 | operator bool () const { return HaveRects(); } |
| | 80 | |
| | 81 | wxRegionIterator& operator++(); |
| | 82 | wxRegionIterator operator++(int); |
| | 83 | |
| | 84 | wxCoord GetX() const; |
| | 85 | wxCoord GetY() const; |
| | 86 | wxCoord GetW() const; |
| | 87 | wxCoord GetWidth() const { return GetW(); } |
| | 88 | wxCoord GetH() const; |
| | 89 | wxCoord GetHeight() const { return GetH(); } |
| | 90 | |
| | 91 | wxRect GetRect() const { return wxRect(GetX(), GetY(), GetW(), GetH()); } |
| | 92 | |
| | 93 | private: |
| | 94 | // common part of all ctors |
| | 95 | void Init(); |
| | 96 | |
| | 97 | long m_current; |
| | 98 | long m_numRects; |
| | 99 | wxRegion m_region; |
| | 100 | wxRect* m_rects; |
| | 101 | |
| | 102 | DECLARE_DYNAMIC_CLASS(wxRegionIterator) |
| | 103 | }; |
| | 104 | |
| | 105 | #endif // _WX_PALMOS_REGION_H_ |
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