dcclient.h 5.9 KB

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  1. /////////////////////////////////////////////////////////////////////////////
  2. // Name: wx/gtk1/dcclient.h
  3. // Purpose:
  4. // Author: Robert Roebling
  5. // Copyright: (c) 1998 Robert Roebling
  6. // Licence: wxWindows licence
  7. /////////////////////////////////////////////////////////////////////////////
  8. #ifndef __GTKDCCLIENTH__
  9. #define __GTKDCCLIENTH__
  10. #include "wx/gtk1/dc.h"
  11. #include "wx/window.h"
  12. //-----------------------------------------------------------------------------
  13. // classes
  14. //-----------------------------------------------------------------------------
  15. class WXDLLIMPEXP_FWD_CORE wxWindowDCImpl;
  16. class WXDLLIMPEXP_FWD_CORE wxPaintDCImpl;
  17. class WXDLLIMPEXP_FWD_CORE wxClientDCImpl;
  18. //-----------------------------------------------------------------------------
  19. // wxWindowDCImpl
  20. //-----------------------------------------------------------------------------
  21. class WXDLLIMPEXP_CORE wxWindowDCImpl : public wxGTKDCImpl
  22. {
  23. public:
  24. wxWindowDCImpl(wxDC *owner);
  25. wxWindowDCImpl(wxDC *owner, wxWindow *win);
  26. virtual ~wxWindowDCImpl();
  27. virtual bool CanDrawBitmap() const { return true; }
  28. virtual bool CanGetTextExtent() const { return true; }
  29. protected:
  30. virtual void DoGetSize(int *width, int *height) const;
  31. virtual bool DoFloodFill( wxCoord x, wxCoord y, const wxColour& col, wxFloodFillStyle style=wxFLOOD_SURFACE );
  32. virtual bool DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const;
  33. virtual void DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 );
  34. virtual void DoCrossHair( wxCoord x, wxCoord y );
  35. virtual void DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
  36. wxCoord xc, wxCoord yc );
  37. virtual void DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height,
  38. double sa, double ea );
  39. virtual void DoDrawPoint( wxCoord x, wxCoord y );
  40. virtual void DoDrawLines(int n, const wxPoint points[],
  41. wxCoord xoffset, wxCoord yoffset);
  42. virtual void DoDrawPolygon(int n, const wxPoint points[],
  43. wxCoord xoffset, wxCoord yoffset,
  44. wxPolygonFillMode fillStyle = wxODDEVEN_RULE);
  45. virtual void DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
  46. virtual void DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20.0 );
  47. virtual void DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
  48. virtual void DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y );
  49. virtual void DoDrawBitmap( const wxBitmap &bitmap, wxCoord x, wxCoord y,
  50. bool useMask = false );
  51. virtual bool DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
  52. wxDC *source, wxCoord xsrc, wxCoord ysrc,
  53. wxRasterOperationMode logical_func = wxCOPY, bool useMask = false,
  54. wxCoord xsrcMask = -1, wxCoord ysrcMask = -1 );
  55. virtual void DoDrawText( const wxString &text, wxCoord x, wxCoord y );
  56. virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
  57. double angle);
  58. virtual void DoGetTextExtent( const wxString &string,
  59. wxCoord *width, wxCoord *height,
  60. wxCoord *descent = NULL,
  61. wxCoord *externalLeading = NULL,
  62. const wxFont *theFont = NULL) const;
  63. public:
  64. virtual wxCoord GetCharWidth() const;
  65. virtual wxCoord GetCharHeight() const;
  66. virtual void Clear();
  67. virtual void SetFont( const wxFont &font );
  68. virtual void SetPen( const wxPen &pen );
  69. virtual void SetBrush( const wxBrush &brush );
  70. virtual void SetBackground( const wxBrush &brush );
  71. virtual void SetLogicalFunction( wxRasterOperationMode function );
  72. virtual void SetTextForeground( const wxColour &col );
  73. virtual void SetTextBackground( const wxColour &col );
  74. virtual void SetBackgroundMode( int mode );
  75. virtual void SetPalette( const wxPalette& palette );
  76. virtual void DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
  77. virtual void DestroyClippingRegion();
  78. virtual void DoSetDeviceClippingRegion( const wxRegion &region );
  79. // Resolution in pixels per logical inch
  80. virtual wxSize GetPPI() const;
  81. virtual int GetDepth() const;
  82. virtual GdkWindow* GetGDKWindow() const { return m_window; }
  83. // implementation
  84. // --------------
  85. GdkWindow *m_window;
  86. GdkGC *m_penGC;
  87. GdkGC *m_brushGC;
  88. GdkGC *m_textGC;
  89. GdkGC *m_bgGC;
  90. GdkColormap *m_cmap;
  91. bool m_isMemDC;
  92. bool m_isScreenDC;
  93. wxWindow *m_owner;
  94. wxRegion m_currentClippingRegion;
  95. wxRegion m_paintClippingRegion;
  96. void SetUpDC();
  97. void Destroy();
  98. virtual void ComputeScaleAndOrigin();
  99. GdkWindow *GetWindow() { return m_window; }
  100. private:
  101. DECLARE_DYNAMIC_CLASS(wxWindowDCImpl)
  102. };
  103. //-----------------------------------------------------------------------------
  104. // wxClientDCImpl
  105. //-----------------------------------------------------------------------------
  106. class WXDLLIMPEXP_CORE wxClientDCImpl : public wxWindowDCImpl
  107. {
  108. public:
  109. wxClientDCImpl(wxDC *owner) : wxWindowDCImpl(owner) { }
  110. wxClientDCImpl(wxDC *owner, wxWindow *win);
  111. protected:
  112. virtual void DoGetSize(int *width, int *height) const;
  113. private:
  114. DECLARE_DYNAMIC_CLASS(wxClientDCImpl)
  115. };
  116. //-----------------------------------------------------------------------------
  117. // wxPaintDCImpl
  118. //-----------------------------------------------------------------------------
  119. class WXDLLIMPEXP_CORE wxPaintDCImpl : public wxClientDCImpl
  120. {
  121. public:
  122. wxPaintDCImpl(wxDC *owner) : wxClientDCImpl(owner) { }
  123. wxPaintDCImpl(wxDC *owner, wxWindow *win);
  124. private:
  125. DECLARE_DYNAMIC_CLASS(wxPaintDCImpl)
  126. };
  127. #endif // __GTKDCCLIENTH__