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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: wx/gtk1/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 #include "wx/dc.h"
14 #include "wx/window.h"
15
16 //-----------------------------------------------------------------------------
17 // classes
18 //-----------------------------------------------------------------------------
19
20 class WXDLLIMPEXP_FWD_CORE wxWindowDC;
21 class WXDLLIMPEXP_FWD_CORE wxPaintDC;
22 class WXDLLIMPEXP_FWD_CORE wxClientDC;
23
24 //-----------------------------------------------------------------------------
25 // wxWindowDC
26 //-----------------------------------------------------------------------------
27
28 class WXDLLIMPEXP_CORE wxWindowDC : public wxDC
29 {
30 public:
31 wxWindowDC();
32 wxWindowDC( wxWindow *win );
33
34 virtual ~wxWindowDC();
35
36 virtual bool CanDrawBitmap() const { return true; }
37 virtual bool CanGetTextExtent() const { return true; }
38
39 protected:
40 virtual void DoGetSize(int *width, int *height) const;
41 virtual bool DoFloodFill( wxCoord x, wxCoord y, const wxColour& col, int style=wxFLOOD_SURFACE );
42 virtual bool DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const;
43
44 virtual void DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 );
45 virtual void DoCrossHair( wxCoord x, wxCoord y );
46 virtual void DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
47 wxCoord xc, wxCoord yc );
48 virtual void DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height,
49 double sa, double ea );
50 virtual void DoDrawPoint( wxCoord x, wxCoord y );
51
52 virtual void DoDrawLines(int n, wxPoint points[],
53 wxCoord xoffset, wxCoord yoffset);
54 virtual void DoDrawPolygon(int n, wxPoint points[],
55 wxCoord xoffset, wxCoord yoffset,
56 int fillStyle = wxODDEVEN_RULE);
57
58 virtual void DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
59 virtual void DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20.0 );
60 virtual void DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
61
62 virtual void DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y );
63 virtual void DoDrawBitmap( const wxBitmap &bitmap, wxCoord x, wxCoord y,
64 bool useMask = false );
65
66 virtual bool DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
67 wxDC *source, wxCoord xsrc, wxCoord ysrc,
68 int logical_func = wxCOPY, bool useMask = false, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1 );
69
70 virtual void DoDrawText( const wxString &text, wxCoord x, wxCoord y );
71 virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
72 double angle);
73 virtual void DoGetTextExtent( const wxString &string,
74 wxCoord *width, wxCoord *height,
75 wxCoord *descent = (wxCoord *) NULL,
76 wxCoord *externalLeading = (wxCoord *) NULL,
77 const wxFont *theFont = (wxFont *) NULL) const;
78
79 public:
80 virtual wxCoord GetCharWidth() const;
81 virtual wxCoord GetCharHeight() const;
82
83 virtual void Clear();
84
85 virtual void SetFont( const wxFont &font );
86 virtual void SetPen( const wxPen &pen );
87 virtual void SetBrush( const wxBrush &brush );
88 virtual void SetBackground( const wxBrush &brush );
89 virtual void SetLogicalFunction( int function );
90 virtual void SetTextForeground( const wxColour &col );
91 virtual void SetTextBackground( const wxColour &col );
92 virtual void SetBackgroundMode( int mode );
93 virtual void SetPalette( const wxPalette& palette );
94
95 virtual void DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
96 virtual void DestroyClippingRegion();
97 virtual void DoSetClippingRegionAsRegion( const wxRegion &region );
98
99 // Resolution in pixels per logical inch
100 virtual wxSize GetPPI() const;
101 virtual int GetDepth() const;
102
103 virtual GdkWindow* GetGDKWindow() const { return m_window; }
104
105 // implementation
106 // --------------
107
108 GdkWindow *m_window;
109 GdkGC *m_penGC;
110 GdkGC *m_brushGC;
111 GdkGC *m_textGC;
112 GdkGC *m_bgGC;
113 GdkColormap *m_cmap;
114 bool m_isMemDC;
115 bool m_isScreenDC;
116 wxWindow *m_owner;
117 wxRegion m_currentClippingRegion;
118 wxRegion m_paintClippingRegion;
119
120 void SetUpDC();
121 void Destroy();
122 virtual void ComputeScaleAndOrigin();
123
124 GdkWindow *GetWindow() { return m_window; }
125
126 private:
127 DECLARE_DYNAMIC_CLASS(wxWindowDC)
128 };
129
130 //-----------------------------------------------------------------------------
131 // wxClientDC
132 //-----------------------------------------------------------------------------
133
134 class WXDLLIMPEXP_CORE wxClientDC : public wxWindowDC
135 {
136 public:
137 wxClientDC() { }
138 wxClientDC( wxWindow *win );
139
140 protected:
141 virtual void DoGetSize(int *width, int *height) const;
142
143 private:
144 DECLARE_DYNAMIC_CLASS(wxClientDC)
145 };
146
147 //-----------------------------------------------------------------------------
148 // wxPaintDC
149 //-----------------------------------------------------------------------------
150
151 class WXDLLIMPEXP_CORE wxPaintDC : public wxClientDC
152 {
153 public:
154 wxPaintDC() { }
155 wxPaintDC( wxWindow *win );
156
157 private:
158 DECLARE_DYNAMIC_CLASS(wxPaintDC)
159 };
160
161 #endif // __GTKDCCLIENTH__