dcclient.h 6.1 KB

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  1. /////////////////////////////////////////////////////////////////////////////
  2. // Name: wx/gtk/dcclient.h
  3. // Purpose:
  4. // Author: Robert Roebling
  5. // Copyright: (c) 1998 Robert Roebling
  6. // Licence: wxWindows licence
  7. /////////////////////////////////////////////////////////////////////////////
  8. #ifndef _WX_GTKDCCLIENT_H_
  9. #define _WX_GTKDCCLIENT_H_
  10. #include "wx/gtk/dc.h"
  11. //-----------------------------------------------------------------------------
  12. // wxWindowDCImpl
  13. //-----------------------------------------------------------------------------
  14. class WXDLLIMPEXP_CORE wxWindowDCImpl : public wxGTKDCImpl
  15. {
  16. public:
  17. wxWindowDCImpl( wxDC *owner );
  18. wxWindowDCImpl( wxDC *owner, wxWindow *win );
  19. virtual ~wxWindowDCImpl();
  20. virtual bool CanDrawBitmap() const { return true; }
  21. virtual bool CanGetTextExtent() const { return true; }
  22. virtual void DoGetSize(int *width, int *height) const;
  23. virtual bool DoFloodFill( wxCoord x, wxCoord y, const wxColour& col,
  24. wxFloodFillStyle style=wxFLOOD_SURFACE );
  25. virtual bool DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const;
  26. virtual void DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 );
  27. virtual void DoCrossHair( wxCoord x, wxCoord y );
  28. virtual void DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
  29. wxCoord xc, wxCoord yc );
  30. virtual void DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height,
  31. double sa, double ea );
  32. virtual void DoDrawPoint( wxCoord x, wxCoord y );
  33. virtual void DoDrawLines(int n, const wxPoint points[],
  34. wxCoord xoffset, wxCoord yoffset);
  35. virtual void DoDrawPolygon(int n, const wxPoint points[],
  36. wxCoord xoffset, wxCoord yoffset,
  37. wxPolygonFillMode fillStyle = wxODDEVEN_RULE);
  38. virtual void DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
  39. virtual void DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20.0 );
  40. virtual void DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
  41. virtual void DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y );
  42. virtual void DoDrawBitmap( const wxBitmap &bitmap, wxCoord x, wxCoord y,
  43. bool useMask = false );
  44. virtual bool DoBlit( wxCoord xdest, wxCoord ydest,
  45. wxCoord width, wxCoord height,
  46. wxDC *source, wxCoord xsrc, wxCoord ysrc,
  47. wxRasterOperationMode logical_func = wxCOPY,
  48. bool useMask = false,
  49. wxCoord xsrcMask = -1, wxCoord ysrcMask = -1 );
  50. virtual void DoDrawText( const wxString &text, wxCoord x, wxCoord y );
  51. virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
  52. double angle);
  53. virtual void DoGetTextExtent( const wxString &string,
  54. wxCoord *width, wxCoord *height,
  55. wxCoord *descent = NULL,
  56. wxCoord *externalLeading = NULL,
  57. const wxFont *theFont = NULL) const;
  58. virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const;
  59. virtual void DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
  60. virtual void DoSetDeviceClippingRegion( const wxRegion &region );
  61. virtual wxCoord GetCharWidth() const;
  62. virtual wxCoord GetCharHeight() const;
  63. virtual void Clear();
  64. virtual void SetFont( const wxFont &font );
  65. virtual void SetPen( const wxPen &pen );
  66. virtual void SetBrush( const wxBrush &brush );
  67. virtual void SetBackground( const wxBrush &brush );
  68. virtual void SetLogicalFunction( wxRasterOperationMode function );
  69. virtual void SetTextForeground( const wxColour &col );
  70. virtual void SetTextBackground( const wxColour &col );
  71. virtual void SetBackgroundMode( int mode );
  72. virtual void SetPalette( const wxPalette& palette );
  73. virtual void DestroyClippingRegion();
  74. // Resolution in pixels per logical inch
  75. virtual wxSize GetPPI() const;
  76. virtual int GetDepth() const;
  77. // overrriden here for RTL
  78. virtual void SetDeviceOrigin( wxCoord x, wxCoord y );
  79. virtual void SetAxisOrientation( bool xLeftRight, bool yBottomUp );
  80. // protected:
  81. // implementation
  82. // --------------
  83. GdkWindow *m_gdkwindow;
  84. GdkGC *m_penGC;
  85. GdkGC *m_brushGC;
  86. GdkGC *m_textGC;
  87. GdkGC *m_bgGC;
  88. GdkColormap *m_cmap;
  89. bool m_isScreenDC;
  90. wxRegion m_currentClippingRegion;
  91. wxRegion m_paintClippingRegion;
  92. // PangoContext stuff for GTK 2.0
  93. PangoContext *m_context;
  94. PangoLayout *m_layout;
  95. PangoFontDescription *m_fontdesc;
  96. void SetUpDC( bool ismem = false );
  97. void Destroy();
  98. virtual void ComputeScaleAndOrigin();
  99. virtual GdkWindow *GetGDKWindow() const { return m_gdkwindow; }
  100. private:
  101. void DrawingSetup(GdkGC*& gc, bool& originChanged);
  102. GdkPixmap* MonoToColor(GdkPixmap* monoPixmap, int x, int y, int w, int h) const;
  103. DECLARE_ABSTRACT_CLASS(wxWindowDCImpl)
  104. };
  105. //-----------------------------------------------------------------------------
  106. // wxClientDCImpl
  107. //-----------------------------------------------------------------------------
  108. class WXDLLIMPEXP_CORE wxClientDCImpl : public wxWindowDCImpl
  109. {
  110. public:
  111. wxClientDCImpl( wxDC *owner );
  112. wxClientDCImpl( wxDC *owner, wxWindow *win );
  113. virtual void DoGetSize(int *width, int *height) const;
  114. DECLARE_ABSTRACT_CLASS(wxClientDCImpl)
  115. };
  116. //-----------------------------------------------------------------------------
  117. // wxPaintDCImpl
  118. //-----------------------------------------------------------------------------
  119. class WXDLLIMPEXP_CORE wxPaintDCImpl : public wxClientDCImpl
  120. {
  121. public:
  122. wxPaintDCImpl( wxDC *owner );
  123. wxPaintDCImpl( wxDC *owner, wxWindow *win );
  124. DECLARE_ABSTRACT_CLASS(wxPaintDCImpl)
  125. };
  126. #endif // _WX_GTKDCCLIENT_H_