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1. fixed wxGTK notebook which was completely broken by the merge
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1/////////////////////////////////////////////////////////////////////////////
2// Name: dc.h
3// Purpose: wxDC class
4// Author: Julian Smart
5// Modified by:
6// Created: 01/02/97
7// RCS-ID: $Id$
8// Copyright: (c) Julian Smart
9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12#ifndef _WX_DC_H_
13#define _WX_DC_H_
14
15#ifdef __GNUG__
16 #pragma interface "dc.h"
17#endif
18
19#include "wx/defs.h"
20#include "wx/dc.h"
21
22// ---------------------------------------------------------------------------
23// macros
24// ---------------------------------------------------------------------------
25
26// Logical to device
27// Absolute
28#define XLOG2DEV(x) (x)
29#define YLOG2DEV(y) (y)
30
31// Relative
32#define XLOG2DEVREL(x) (x)
33#define YLOG2DEVREL(y) (y)
34
35// Device to logical
36// Absolute
37#define XDEV2LOG(x) (x)
38
39#define YDEV2LOG(y) (y)
40
41// Relative
42#define XDEV2LOGREL(x) (x)
43#define YDEV2LOGREL(y) (y)
44
45/*
46 * Have the same macros as for XView but not for every operation:
47 * just for calculating window/viewport extent (a better way of scaling).
48 */
49
50// Logical to device
51// Absolute
52#define MS_XLOG2DEV(x) LogicalToDevice(x)
53
54#define MS_YLOG2DEV(y) LogicalToDevice(y)
55
56// Relative
57#define MS_XLOG2DEVREL(x) LogicalToDeviceXRel(x)
58#define MS_YLOG2DEVREL(y) LogicalToDeviceYRel(y)
59
60// Device to logical
61// Absolute
62#define MS_XDEV2LOG(x) DeviceToLogicalX(x)
63
64#define MS_YDEV2LOG(y) DeviceToLogicalY(y)
65
66// Relative
67#define MS_XDEV2LOGREL(x) DeviceToLogicalXRel(x)
68#define MS_YDEV2LOGREL(y) DeviceToLogicalYRel(y)
69
70#define YSCALE(y) (yorigin - (y))
71
72#define wx_round(a) (int)((a)+.5)
73
74class WXDLLEXPORT wxDC : public wxDCBase
75{
76public:
77 wxDC();
78 ~wxDC();
79
80 // implement base class pure virtuals
81 // ----------------------------------
82
83 virtual void Clear();
84
85 virtual bool StartDoc(const wxString& message);
86 virtual void EndDoc();
87
88 virtual void StartPage();
89 virtual void EndPage();
90
91 virtual void SetFont(const wxFont& font);
92 virtual void SetPen(const wxPen& pen);
93 virtual void SetBrush(const wxBrush& brush);
94 virtual void SetBackground(const wxBrush& brush);
95 virtual void SetBackgroundMode(int mode);
96 virtual void SetPalette(const wxPalette& palette);
97
98 virtual void DestroyClippingRegion();
99
100 virtual wxCoord GetCharHeight() const;
101 virtual wxCoord GetCharWidth() const;
102 virtual void DoGetTextExtent(const wxString& string,
103 wxCoord *x, wxCoord *y,
104 wxCoord *descent = NULL,
105 wxCoord *externalLeading = NULL,
106 wxFont *theFont = NULL) const;
107
108 virtual bool CanDrawBitmap() const;
109 virtual bool CanGetTextExtent() const;
110 virtual int GetDepth() const;
111 virtual wxSize GetPPI() const;
112
113 virtual void SetMapMode(int mode);
114 virtual void SetUserScale(double x, double y);
115 virtual void SetSystemScale(double x, double y);
116 virtual void SetLogicalScale(double x, double y);
117 virtual void SetLogicalOrigin(wxCoord x, wxCoord y);
118 virtual void SetDeviceOrigin(wxCoord x, wxCoord y);
119 virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp);
120 virtual void SetLogicalFunction(int function);
121
122 // implementation from now on
123 // --------------------------
124
125 virtual void SetRop(WXHDC cdc);
126 virtual void SelectOldObjects(WXHDC dc);
127
128 wxWindow *GetWindow() const { return m_canvas; }
129 void SetWindow(wxWindow *win) { m_canvas = win; }
130
131 WXHDC GetHDC() const { return m_hDC; }
132 void SetHDC(WXHDC dc, bool bOwnsDC = FALSE)
133 {
134 m_hDC = dc;
135 m_bOwnsDC = bOwnsDC;
136 }
137
138 const wxBitmap& GetSelectedBitmap() const { return m_selectedBitmap; }
139 wxBitmap& GetSelectedBitmap() { return m_selectedBitmap; }
140
141 // update the internal clip box variables
142 void UpdateClipBox();
143
144protected:
145 virtual void DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
146 int style = wxFLOOD_SURFACE);
147
148 virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const;
149
150 virtual void DoDrawPoint(wxCoord x, wxCoord y);
151 virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
152
153 virtual void DoDrawArc(wxCoord x1, wxCoord y1,
154 wxCoord x2, wxCoord y2,
155 wxCoord xc, wxCoord yc);
156 virtual void DoDrawCheckMark(wxCoord x, wxCoord y,
157 wxCoord width, wxCoord height);
158 virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
159 double sa, double ea);
160
161 virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
162 virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
163 wxCoord width, wxCoord height,
164 double radius);
165 virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
166
167 virtual void DoCrossHair(wxCoord x, wxCoord y);
168
169 virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
170 virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
171 bool useMask = FALSE);
172
173 virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
174 virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
175 double angle);
176
177 virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
178 wxDC *source, wxCoord xsrc, wxCoord ysrc,
179 int rop = wxCOPY, bool useMask = FALSE);
180
181 // this is gnarly - we can't even call this function DoSetClippingRegion()
182 // because of virtual function hiding
183 virtual void DoSetClippingRegionAsRegion(const wxRegion& region);
184 virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
185 wxCoord width, wxCoord height);
186 virtual void DoGetClippingRegion(wxCoord *x, wxCoord *y,
187 wxCoord *width, wxCoord *height)
188 {
189 GetClippingBox(x, y, width, height);
190 }
191
192 virtual void DoGetSize(int *width, int *height) const;
193 virtual void DoGetSizeMM(int* width, int* height) const;
194
195 virtual void DoDrawLines(int n, wxPoint points[],
196 wxCoord xoffset, wxCoord yoffset);
197 virtual void DoDrawPolygon(int n, wxPoint points[],
198 wxCoord xoffset, wxCoord yoffset,
199 int fillStyle = wxODDEVEN_RULE);
200
201
202 // common part of DoDrawText() and DoDrawRotatedText()
203 void DrawAnyText(const wxString& text, wxCoord x, wxCoord y);
204
205 // MSW-specific member variables
206 int m_windowExtX;
207 int m_windowExtY;
208
209 // the window associated with this DC (may be NULL)
210 wxWindow *m_canvas;
211
212 wxBitmap m_selectedBitmap;
213
214 // TRUE => DeleteDC() in dtor, FALSE => only ReleaseDC() it
215 bool m_bOwnsDC:1;
216
217 // our HDC
218 WXHDC m_hDC;
219
220 // Store all old GDI objects when do a SelectObject, so we can select them
221 // back in (this unselecting user's objects) so we can safely delete the
222 // DC.
223 WXHBITMAP m_oldBitmap;
224 WXHPEN m_oldPen;
225 WXHBRUSH m_oldBrush;
226 WXHFONT m_oldFont;
227 WXHPALETTE m_oldPalette;
228
229 DECLARE_DYNAMIC_CLASS(wxDC)
230};
231
232// ----------------------------------------------------------------------------
233// wxDCTemp: a wxDC which doesn't free the given HDC (used by wxWindows
234// only/mainly)
235// ----------------------------------------------------------------------------
236
237class WXDLLEXPORT wxDCTemp : public wxDC
238{
239public:
240 wxDCTemp(WXHDC hdc) { SetHDC(hdc); }
241 virtual ~wxDCTemp() { SetHDC((WXHDC)NULL); }
242};
243
244#endif
245 // _WX_DC_H_