| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: dcclient.h |
| 3 | // Purpose: |
| 4 | // Author: Robert Roebling |
| 5 | // Id: $Id$ |
| 6 | // Copyright: (c) 1998 Robert Roebling |
| 7 | // Licence: wxWindows licence |
| 8 | ///////////////////////////////////////////////////////////////////////////// |
| 9 | |
| 10 | #ifndef __GTKDCCLIENTH__ |
| 11 | #define __GTKDCCLIENTH__ |
| 12 | |
| 13 | #ifdef __GNUG__ |
| 14 | #pragma interface |
| 15 | #endif |
| 16 | |
| 17 | #include "wx/dc.h" |
| 18 | #include "wx/window.h" |
| 19 | |
| 20 | //----------------------------------------------------------------------------- |
| 21 | // classes |
| 22 | //----------------------------------------------------------------------------- |
| 23 | |
| 24 | class wxWindowDC; |
| 25 | class wxPaintDC; |
| 26 | class wxClientDC; |
| 27 | |
| 28 | //----------------------------------------------------------------------------- |
| 29 | // wxWindowDC |
| 30 | //----------------------------------------------------------------------------- |
| 31 | |
| 32 | class wxWindowDC : public wxDC |
| 33 | { |
| 34 | public: |
| 35 | wxWindowDC(); |
| 36 | wxWindowDC( wxWindow *win ); |
| 37 | |
| 38 | virtual ~wxWindowDC(); |
| 39 | |
| 40 | virtual bool CanDrawBitmap() const { return TRUE; } |
| 41 | virtual bool CanGetTextExtent() const { return TRUE; } |
| 42 | |
| 43 | protected: |
| 44 | virtual void DoGetSize(int *width, int *height) const; |
| 45 | virtual bool DoFloodFill( wxCoord x, wxCoord y, const wxColour& col, int style=wxFLOOD_SURFACE ); |
| 46 | virtual bool DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const; |
| 47 | |
| 48 | virtual void DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 ); |
| 49 | virtual void DoCrossHair( wxCoord x, wxCoord y ); |
| 50 | virtual void DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, |
| 51 | wxCoord xc, wxCoord yc ); |
| 52 | virtual void DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height, |
| 53 | double sa, double ea ); |
| 54 | virtual void DoDrawPoint( wxCoord x, wxCoord y ); |
| 55 | |
| 56 | virtual void DoDrawLines(int n, wxPoint points[], |
| 57 | wxCoord xoffset, wxCoord yoffset); |
| 58 | virtual void DoDrawPolygon(int n, wxPoint points[], |
| 59 | wxCoord xoffset, wxCoord yoffset, |
| 60 | int fillStyle = wxODDEVEN_RULE); |
| 61 | |
| 62 | virtual void DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height ); |
| 63 | virtual void DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20.0 ); |
| 64 | virtual void DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height ); |
| 65 | |
| 66 | virtual void DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y ); |
| 67 | virtual void DoDrawBitmap( const wxBitmap &bitmap, wxCoord x, wxCoord y, |
| 68 | bool useMask = FALSE ); |
| 69 | |
| 70 | virtual bool DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height, |
| 71 | wxDC *source, wxCoord xsrc, wxCoord ysrc, |
| 72 | int logical_func = wxCOPY, bool useMask = FALSE, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1 ); |
| 73 | |
| 74 | virtual void DoDrawText( const wxString &text, wxCoord x, wxCoord y ); |
| 75 | virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, |
| 76 | double angle); |
| 77 | virtual void DoGetTextExtent( const wxString &string, |
| 78 | wxCoord *width, wxCoord *height, |
| 79 | wxCoord *descent = (wxCoord *) NULL, |
| 80 | wxCoord *externalLeading = (wxCoord *) NULL, |
| 81 | wxFont *theFont = (wxFont *) NULL) const; |
| 82 | |
| 83 | public: |
| 84 | virtual wxCoord GetCharWidth() const; |
| 85 | virtual wxCoord GetCharHeight() const; |
| 86 | |
| 87 | virtual void Clear(); |
| 88 | |
| 89 | virtual void SetFont( const wxFont &font ); |
| 90 | virtual void SetPen( const wxPen &pen ); |
| 91 | virtual void SetBrush( const wxBrush &brush ); |
| 92 | virtual void SetBackground( const wxBrush &brush ); |
| 93 | virtual void SetLogicalFunction( int function ); |
| 94 | virtual void SetTextForeground( const wxColour &col ); |
| 95 | virtual void SetTextBackground( const wxColour &col ); |
| 96 | virtual void SetBackgroundMode( int mode ); |
| 97 | virtual void SetPalette( const wxPalette& palette ); |
| 98 | |
| 99 | virtual void DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height ); |
| 100 | virtual void DestroyClippingRegion(); |
| 101 | virtual void DoSetClippingRegionAsRegion( const wxRegion ®ion ); |
| 102 | |
| 103 | // Resolution in pixels per logical inch |
| 104 | virtual wxSize GetPPI() const; |
| 105 | virtual int GetDepth() const; |
| 106 | |
| 107 | // implementation |
| 108 | // -------------- |
| 109 | |
| 110 | GdkWindow *m_window; |
| 111 | GdkGC *m_penGC; |
| 112 | GdkGC *m_brushGC; |
| 113 | GdkGC *m_textGC; |
| 114 | GdkGC *m_bgGC; |
| 115 | GdkColormap *m_cmap; |
| 116 | bool m_isMemDC; |
| 117 | bool m_isScreenDC; |
| 118 | wxWindow *m_owner; |
| 119 | wxRegion m_currentClippingRegion; |
| 120 | wxRegion m_paintClippingRegion; |
| 121 | #ifdef __WXGTK20__ |
| 122 | PangoContext *m_context; |
| 123 | PangoFontDescription *m_fontdesc; |
| 124 | #endif |
| 125 | |
| 126 | void SetUpDC(); |
| 127 | void Destroy(); |
| 128 | void ComputeScaleAndOrigin(); |
| 129 | |
| 130 | GdkWindow *GetWindow() { return m_window; } |
| 131 | |
| 132 | private: |
| 133 | DECLARE_DYNAMIC_CLASS(wxWindowDC) |
| 134 | }; |
| 135 | |
| 136 | //----------------------------------------------------------------------------- |
| 137 | // wxClientDC |
| 138 | //----------------------------------------------------------------------------- |
| 139 | |
| 140 | class wxClientDC : public wxWindowDC |
| 141 | { |
| 142 | public: |
| 143 | wxClientDC() { } |
| 144 | wxClientDC( wxWindow *win ); |
| 145 | |
| 146 | protected: |
| 147 | virtual void DoGetSize(int *width, int *height) const; |
| 148 | |
| 149 | private: |
| 150 | DECLARE_DYNAMIC_CLASS(wxClientDC) |
| 151 | }; |
| 152 | |
| 153 | //----------------------------------------------------------------------------- |
| 154 | // wxPaintDC |
| 155 | //----------------------------------------------------------------------------- |
| 156 | |
| 157 | class wxPaintDC : public wxClientDC |
| 158 | { |
| 159 | public: |
| 160 | wxPaintDC() { } |
| 161 | wxPaintDC( wxWindow *win ); |
| 162 | |
| 163 | private: |
| 164 | DECLARE_DYNAMIC_CLASS(wxPaintDC) |
| 165 | }; |
| 166 | |
| 167 | #endif // __GTKDCCLIENTH__ |