| | 1 | ///////////////////////////////////////////////////////////////////////////// |
| | 2 | // Name: wx/graphdc.h |
| | 3 | // Purpose: graphics context device bridge header |
| | 4 | // Author: Stefan Csomor |
| | 5 | // Modified by: |
| | 6 | // Created: |
| | 7 | // Copyright: (c) Stefan Csomor |
| | 8 | // RCS-ID: $Id$ |
| | 9 | // Licence: wxWindows licence |
| | 10 | ///////////////////////////////////////////////////////////////////////////// |
| | 11 | |
| | 12 | #ifndef _WX_GRAPHICS_DC_H_ |
| | 13 | #define _WX_GRAPHICS_DC_H_ |
| | 14 | |
| | 15 | #if wxUSE_GRAPHICS_CONTEXT |
| | 16 | |
| | 17 | #include "wx/dc.h" |
| | 18 | #include "wx/geometry.h" |
| | 19 | #include "wx/graphics.h" |
| | 20 | |
| | 21 | class WXDLLIMPEXP_FWD_CORE wxWindowDC; |
| | 22 | |
| | 23 | |
| | 24 | class WXDLLIMPEXP_CORE wxGCDC: public wxDC |
| | 25 | { |
| | 26 | public: |
| | 27 | wxGCDC( const wxWindowDC& dc ); |
| | 28 | wxGCDC( const wxMemoryDC& dc ); |
| | 29 | wxGCDC( const wxPrinterDC& dc ); |
| | 30 | wxGCDC(); |
| | 31 | virtual ~wxGCDC(); |
| | 32 | |
| | 33 | wxGraphicsContext* GetGraphicsContext(); |
| | 34 | void SetGraphicsContext( wxGraphicsContext* ctx ); |
| | 35 | |
| | 36 | DECLARE_DYNAMIC_CLASS(wxGCDC) |
| | 37 | DECLARE_NO_COPY_CLASS(wxGCDC) |
| | 38 | }; |
| | 39 | |
| | 40 | |
| | 41 | class WXDLLIMPEXP_CORE wxGCDCImpl: public wxDCImpl |
| | 42 | { |
| | 43 | public: |
| | 44 | wxGCDCImpl( wxDC *owner, const wxWindowDC& dc ); |
| | 45 | wxGCDCImpl( wxDC *owner, const wxMemoryDC& dc ); |
| | 46 | wxGCDCImpl( wxDC *owner, const wxPrinterDC& dc ); |
| | 47 | wxGCDCImpl( wxDC *owner ); |
| | 48 | |
| | 49 | virtual ~wxGCDCImpl(); |
| | 50 | |
| | 51 | void Init(); |
| | 52 | |
| | 53 | |
| | 54 | // implement base class pure virtuals |
| | 55 | // ---------------------------------- |
| | 56 | |
| | 57 | virtual void Clear(); |
| | 58 | |
| | 59 | virtual bool StartDoc( const wxString& message ); |
| | 60 | virtual void EndDoc(); |
| | 61 | |
| | 62 | virtual void StartPage(); |
| | 63 | virtual void EndPage(); |
| | 64 | |
| | 65 | // flushing the content of this dc immediately onto screen |
| | 66 | virtual void Flush(); |
| | 67 | |
| | 68 | virtual void SetFont(const wxFont& font); |
| | 69 | virtual void SetPen(const wxPen& pen); |
| | 70 | virtual void SetBrush(const wxBrush& brush); |
| | 71 | virtual void SetBackground(const wxBrush& brush); |
| | 72 | virtual void SetBackgroundMode(int mode); |
| | 73 | virtual void SetPalette(const wxPalette& palette); |
| | 74 | |
| | 75 | virtual void DestroyClippingRegion(); |
| | 76 | |
| | 77 | virtual wxCoord GetCharHeight() const; |
| | 78 | virtual wxCoord GetCharWidth() const; |
| | 79 | |
| | 80 | virtual bool CanDrawBitmap() const; |
| | 81 | virtual bool CanGetTextExtent() const; |
| | 82 | virtual int GetDepth() const; |
| | 83 | virtual wxSize GetPPI() const; |
| | 84 | |
| | 85 | virtual void SetMapMode(int mode); |
| | 86 | |
| | 87 | virtual void SetLogicalFunction(int function); |
| | 88 | |
| | 89 | virtual void SetTextForeground(const wxColour& colour); |
| | 90 | virtual void SetTextBackground(const wxColour& colour); |
| | 91 | |
| | 92 | virtual void ComputeScaleAndOrigin(); |
| | 93 | |
| | 94 | wxGraphicsContext* GetGraphicsContext() { return m_graphicContext; } |
| | 95 | virtual void SetGraphicsContext( wxGraphicsContext* ctx ); |
| | 96 | |
| | 97 | // the true implementations |
| | 98 | virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, |
| | 99 | int style = wxFLOOD_SURFACE); |
| | 100 | |
| | 101 | virtual void DoGradientFillLinear(const wxRect& rect, |
| | 102 | const wxColour& initialColour, |
| | 103 | const wxColour& destColour, |
| | 104 | wxDirection nDirection = wxEAST); |
| | 105 | |
| | 106 | virtual void DoGradientFillConcentric(const wxRect& rect, |
| | 107 | const wxColour& initialColour, |
| | 108 | const wxColour& destColour, |
| | 109 | const wxPoint& circleCenter); |
| | 110 | |
| | 111 | virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const; |
| | 112 | |
| | 113 | virtual void DoDrawPoint(wxCoord x, wxCoord y); |
| | 114 | |
| | 115 | #if wxUSE_SPLINES |
| | 116 | virtual void DoDrawSpline(const wxPointList *points); |
| | 117 | #endif |
| | 118 | |
| | 119 | virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2); |
| | 120 | |
| | 121 | virtual void DoDrawArc(wxCoord x1, wxCoord y1, |
| | 122 | wxCoord x2, wxCoord y2, |
| | 123 | wxCoord xc, wxCoord yc); |
| | 124 | |
| | 125 | virtual void DoDrawCheckMark(wxCoord x, wxCoord y, |
| | 126 | wxCoord width, wxCoord height); |
| | 127 | |
| | 128 | virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h, |
| | 129 | double sa, double ea); |
| | 130 | |
| | 131 | virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height); |
| | 132 | virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y, |
| | 133 | wxCoord width, wxCoord height, |
| | 134 | double radius); |
| | 135 | virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height); |
| | 136 | |
| | 137 | virtual void DoCrossHair(wxCoord x, wxCoord y); |
| | 138 | |
| | 139 | virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y); |
| | 140 | virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, |
| | 141 | bool useMask = false); |
| | 142 | |
| | 143 | virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y); |
| | 144 | virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, |
| | 145 | double angle); |
| | 146 | |
| | 147 | virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height, |
| | 148 | wxDC *source, wxCoord xsrc, wxCoord ysrc, |
| | 149 | int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1); |
| | 150 | |
| | 151 | virtual bool DoStretchBlit(wxCoord xdest, wxCoord ydest, |
| | 152 | wxCoord dstWidth, wxCoord dstHeight, |
| | 153 | wxDC *source, |
| | 154 | wxCoord xsrc, wxCoord ysrc, |
| | 155 | wxCoord srcWidth, wxCoord srcHeight, |
| | 156 | int rop = wxCOPY, bool useMask = false, |
| | 157 | wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord); |
| | 158 | |
| | 159 | virtual void DoGetSize(int *,int *) const; |
| | 160 | virtual void DoGetSizeMM(int* width, int* height) const; |
| | 161 | |
| | 162 | virtual void DoDrawLines(int n, wxPoint points[], |
| | 163 | wxCoord xoffset, wxCoord yoffset); |
| | 164 | virtual void DoDrawPolygon(int n, wxPoint points[], |
| | 165 | wxCoord xoffset, wxCoord yoffset, |
| | 166 | int fillStyle = wxODDEVEN_RULE); |
| | 167 | virtual void DoDrawPolyPolygon(int n, int count[], wxPoint points[], |
| | 168 | wxCoord xoffset, wxCoord yoffset, |
| | 169 | int fillStyle); |
| | 170 | |
| | 171 | virtual void DoSetDeviceClippingRegion(const wxRegion& region); |
| | 172 | virtual void DoSetClippingRegion(wxCoord x, wxCoord y, |
| | 173 | wxCoord width, wxCoord height); |
| | 174 | |
| | 175 | virtual void DoGetTextExtent(const wxString& string, |
| | 176 | wxCoord *x, wxCoord *y, |
| | 177 | wxCoord *descent = NULL, |
| | 178 | wxCoord *externalLeading = NULL, |
| | 179 | const wxFont *theFont = NULL) const; |
| | 180 | |
| | 181 | virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const; |
| | 182 | |
| | 183 | protected: |
| | 184 | // scaling variables |
| | 185 | bool m_logicalFunctionSupported; |
| | 186 | double m_mm_to_pix_x, m_mm_to_pix_y; |
| | 187 | wxGraphicsMatrix m_matrixOriginal; |
| | 188 | wxGraphicsMatrix m_matrixCurrent; |
| | 189 | |
| | 190 | double m_formerScaleX, m_formerScaleY; |
| | 191 | |
| | 192 | wxGraphicsContext* m_graphicContext; |
| | 193 | |
| | 194 | DECLARE_CLASS(wxGCDCImpl) |
| | 195 | DECLARE_NO_COPY_CLASS(wxGCDCImpl) |
| | 196 | }; |
| | 197 | |
| | 198 | #endif // wxUSE_GRAPHICS_CONTEXT |
| | 199 | #endif // _WX_GRAPHICS_DC_H_ |
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