]> git.saurik.com Git - wxWidgets.git/blob - include/wx/gtk/dcclient.h
Cleaned up paint DC cache in ~wxPaintDC to avoid spurious memory warning
[wxWidgets.git] / include / wx / gtk / dcclient.h
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 #ifdef __GNUG__
14 #pragma interface
15 #endif
16
17 #include "wx/dc.h"
18 #include "wx/window.h"
19
20 //-----------------------------------------------------------------------------
21 // classes
22 //-----------------------------------------------------------------------------
23
24 class wxWindowDC;
25 class wxPaintDC;
26 class wxClientDC;
27
28 //-----------------------------------------------------------------------------
29 // wxWindowDC
30 //-----------------------------------------------------------------------------
31
32 class wxWindowDC : public wxDC
33 {
34 DECLARE_DYNAMIC_CLASS(wxWindowDC)
35
36 public:
37 wxWindowDC();
38 wxWindowDC( wxWindow *win );
39
40 ~wxWindowDC();
41
42 virtual bool CanDrawBitmap() const { return TRUE; }
43 virtual bool CanGetTextExtent() const { return TRUE; }
44
45 virtual void 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 );
73
74 virtual void DoDrawText( const wxString &text, wxCoord x, wxCoord y );
75 virtual void DoGetTextExtent( const wxString &string,
76 wxCoord *width, wxCoord *height,
77 wxCoord *descent = (wxCoord *) NULL,
78 wxCoord *externalLeading = (wxCoord *) NULL,
79 wxFont *theFont = (wxFont *) NULL) const;
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 #if wxUSE_SPLINES
100 virtual void DoDrawSpline( wxList *points );
101 #endif
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 wxWindow *m_owner;
118
119 void SetUpDC();
120 void Destroy();
121 void ComputeScaleAndOrigin();
122
123 GdkWindow *GetWindow() { return m_window; }
124 };
125
126 //-----------------------------------------------------------------------------
127 // wxPaintDC
128 //-----------------------------------------------------------------------------
129
130 class wxPaintDC : public wxWindowDC
131 {
132 DECLARE_DYNAMIC_CLASS(wxPaintDC)
133
134 public:
135 wxPaintDC();
136 wxPaintDC( wxWindow *win );
137 };
138
139 //-----------------------------------------------------------------------------
140 // wxClientDC
141 //-----------------------------------------------------------------------------
142
143 class wxClientDC : public wxWindowDC
144 {
145 DECLARE_DYNAMIC_CLASS(wxClientDC)
146
147 public:
148 wxClientDC();
149 wxClientDC( wxWindow *win );
150 };
151
152
153 #endif // __GTKDCCLIENTH__