| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: dcclient.h |
| 3 | // Purpose: wxClientDC, wxPaintDC and wxWindowDC classes |
| 4 | // Author: Julian Smart |
| 5 | // Modified by: |
| 6 | // Created: 17/09/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Julian Smart |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #ifndef _WX_DCCLIENT_H_ |
| 13 | #define _WX_DCCLIENT_H_ |
| 14 | |
| 15 | #include "wx/dc.h" |
| 16 | #include "wx/region.h" |
| 17 | |
| 18 | // ----------------------------------------------------------------------------- |
| 19 | // fwd declarations |
| 20 | // ----------------------------------------------------------------------------- |
| 21 | |
| 22 | class WXDLLIMPEXP_CORE wxWindow; |
| 23 | |
| 24 | class WXDLLIMPEXP_CORE wxWindowDC; |
| 25 | class WXDLLIMPEXP_CORE wxPaintDC; |
| 26 | class WXDLLIMPEXP_CORE wxClientDC; |
| 27 | |
| 28 | //----------------------------------------------------------------------------- |
| 29 | // wxWindowDC |
| 30 | //----------------------------------------------------------------------------- |
| 31 | |
| 32 | class WXDLLIMPEXP_CORE wxWindowDC : public wxDC |
| 33 | { |
| 34 | public: |
| 35 | wxWindowDC() { Init(); } |
| 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 x, wxCoord y, wxColour *col ) const; |
| 47 | |
| 48 | virtual void DoDrawPoint(wxCoord x, wxCoord y); |
| 49 | virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2); |
| 50 | |
| 51 | virtual void DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y ); |
| 52 | virtual void DoDrawBitmap( const wxBitmap &bitmap, wxCoord x, wxCoord y, |
| 53 | bool useMask = false ); |
| 54 | |
| 55 | virtual void DoDrawArc(wxCoord x1, wxCoord y1, |
| 56 | wxCoord x2, wxCoord y2, |
| 57 | wxCoord xc, wxCoord yc); |
| 58 | virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h, |
| 59 | double sa, double ea); |
| 60 | |
| 61 | virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height); |
| 62 | virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y, |
| 63 | wxCoord width, wxCoord height, |
| 64 | double radius); |
| 65 | virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height); |
| 66 | |
| 67 | virtual void DoCrossHair(wxCoord x, wxCoord y); |
| 68 | |
| 69 | virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y); |
| 70 | virtual void DoDrawRotatedText(const wxString &text, wxCoord x, wxCoord y, double angle); |
| 71 | |
| 72 | virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height, |
| 73 | wxDC *source, wxCoord xsrc, wxCoord ysrc, |
| 74 | int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1); |
| 75 | |
| 76 | virtual void DoSetClippingRegionAsRegion(const wxRegion& region); |
| 77 | virtual void DoSetClippingRegion(wxCoord x, wxCoord y, |
| 78 | wxCoord width, wxCoord height); |
| 79 | |
| 80 | virtual void DoDrawLines(int n, wxPoint points[], |
| 81 | wxCoord xoffset, wxCoord yoffset); |
| 82 | virtual void DoDrawPolygon(int n, wxPoint points[], |
| 83 | wxCoord xoffset, wxCoord yoffset, |
| 84 | int fillStyle = wxODDEVEN_RULE); |
| 85 | |
| 86 | |
| 87 | public: |
| 88 | virtual void Clear(); |
| 89 | |
| 90 | virtual void SetFont(const wxFont& font); |
| 91 | virtual void SetPen(const wxPen& pen); |
| 92 | virtual void SetBrush(const wxBrush& brush); |
| 93 | virtual void SetBackground(const wxBrush& brush); |
| 94 | virtual void SetBackgroundMode(int mode); |
| 95 | virtual void SetPalette(const wxPalette& palette); |
| 96 | virtual void SetLogicalFunction( int function ); |
| 97 | |
| 98 | virtual void SetTextForeground(const wxColour& colour); |
| 99 | virtual void SetTextBackground(const wxColour& colour); |
| 100 | |
| 101 | virtual wxCoord GetCharHeight() const; |
| 102 | virtual wxCoord GetCharWidth() const; |
| 103 | |
| 104 | virtual int GetDepth() const; |
| 105 | virtual wxSize GetPPI() const; |
| 106 | |
| 107 | virtual void DestroyClippingRegion(); |
| 108 | WXWindow GetWindow() const { return m_window; } |
| 109 | |
| 110 | virtual void ComputeScaleAndOrigin(); |
| 111 | |
| 112 | protected: |
| 113 | // implementation |
| 114 | // -------------- |
| 115 | virtual void DoGetTextExtent(const wxString& string, |
| 116 | wxCoord *x, wxCoord *y, |
| 117 | wxCoord *descent = NULL, |
| 118 | wxCoord *externalLeading = NULL, |
| 119 | wxFont *theFont = NULL) const; |
| 120 | |
| 121 | void Init(); |
| 122 | |
| 123 | WXDisplay *m_display; |
| 124 | WXWindow m_window; |
| 125 | WXGC m_penGC; |
| 126 | WXGC m_brushGC; |
| 127 | WXGC m_textGC; |
| 128 | WXGC m_bgGC; |
| 129 | WXColormap m_cmap; |
| 130 | bool m_isMemDC; |
| 131 | bool m_isScreenDC; |
| 132 | wxWindow *m_owner; |
| 133 | wxRegion m_currentClippingRegion; |
| 134 | wxRegion m_paintClippingRegion; |
| 135 | |
| 136 | #if wxUSE_UNICODE |
| 137 | PangoContext *m_context; |
| 138 | PangoFontDescription *m_fontdesc; |
| 139 | #endif |
| 140 | |
| 141 | void SetUpDC(); |
| 142 | void Destroy(); |
| 143 | |
| 144 | private: |
| 145 | DECLARE_DYNAMIC_CLASS(wxWindowDC) |
| 146 | }; |
| 147 | |
| 148 | //----------------------------------------------------------------------------- |
| 149 | // wxClientDC |
| 150 | //----------------------------------------------------------------------------- |
| 151 | |
| 152 | class WXDLLIMPEXP_CORE wxClientDC : public wxWindowDC |
| 153 | { |
| 154 | public: |
| 155 | wxClientDC() { } |
| 156 | wxClientDC( wxWindow *win ); |
| 157 | |
| 158 | protected: |
| 159 | virtual void DoGetSize(int *width, int *height) const; |
| 160 | |
| 161 | private: |
| 162 | DECLARE_DYNAMIC_CLASS(wxClientDC) |
| 163 | }; |
| 164 | |
| 165 | //----------------------------------------------------------------------------- |
| 166 | // wxPaintDC |
| 167 | //----------------------------------------------------------------------------- |
| 168 | |
| 169 | class WXDLLIMPEXP_CORE wxPaintDC : public wxClientDC |
| 170 | { |
| 171 | public: |
| 172 | wxPaintDC() { } |
| 173 | wxPaintDC( wxWindow *win ); |
| 174 | |
| 175 | private: |
| 176 | DECLARE_DYNAMIC_CLASS(wxPaintDC) |
| 177 | }; |
| 178 | |
| 179 | #endif |
| 180 | // _WX_DCCLIENT_H_ |