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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#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
14#pragma interface
15#endif
16
17#include "wx/dc.h"
18#include "wx/window.h"
19
20//-----------------------------------------------------------------------------
21// classes
22//-----------------------------------------------------------------------------
23
24class wxWindowDC;
25class wxPaintDC;
26class wxClientDC;
27
28//-----------------------------------------------------------------------------
29// wxWindowDC
30//-----------------------------------------------------------------------------
31
32class wxWindowDC : public wxDC
33{
34public:
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
43protected:
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
83public:
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 &region );
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
122 // PangoContext stuff for GTK 2.0
123#ifdef __WXGTK20__
124 PangoContext *m_context;
125 PangoLayout *m_layout;
126 PangoFontDescription *m_fontdesc;
127#endif
128
129 void SetUpDC();
130 void Destroy();
131 void ComputeScaleAndOrigin();
132
133 GdkWindow *GetWindow() { return m_window; }
134
135private:
136 DECLARE_DYNAMIC_CLASS(wxWindowDC)
137};
138
139//-----------------------------------------------------------------------------
140// wxClientDC
141//-----------------------------------------------------------------------------
142
143class wxClientDC : public wxWindowDC
144{
145public:
146 wxClientDC() { }
147 wxClientDC( wxWindow *win );
148
149protected:
150 virtual void DoGetSize(int *width, int *height) const;
151
152private:
153 DECLARE_DYNAMIC_CLASS(wxClientDC)
154};
155
156//-----------------------------------------------------------------------------
157// wxPaintDC
158//-----------------------------------------------------------------------------
159
160class wxPaintDC : public wxClientDC
161{
162public:
163 wxPaintDC() { }
164 wxPaintDC( wxWindow *win );
165
166private:
167 DECLARE_DYNAMIC_CLASS(wxPaintDC)
168};
169
170#endif // __GTKDCCLIENTH__