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- Added wxAddProcessCallbackForPid function
[wxWidgets.git] / include / wx / cocoa / dc.h
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DE		 1/////////////////////////////////////////////////////////////////////////////
2// Name: dc.h
3// Purpose: wxDC class
4// Author: AUTHOR
5// Modified by:
6// Created: ??/??/98
7// RCS-ID: $Id$
8// Copyright: (c) AUTHOR
9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12#ifndef _WX_DC_H_
13#define _WX_DC_H_
14
15#if defined(__GNUG__) && !defined(__APPLE__)
16#pragma interface "dc.h"
17#endif
18
19#include "wx/pen.h"
20#include "wx/brush.h"
21#include "wx/icon.h"
22#include "wx/font.h"
23#include "wx/gdicmn.h"
24
25//-----------------------------------------------------------------------------
26// constants
27//-----------------------------------------------------------------------------
28
29#ifndef MM_TEXT
30#define MM_TEXT 0
31#define MM_ISOTROPIC 1
32#define MM_ANISOTROPIC 2
33#define MM_LOMETRIC 3
34#define MM_HIMETRIC 4
35#define MM_TWIPS 5
36#define MM_POINTS 6
37#define MM_METRIC 7
38#endif
39
40//-----------------------------------------------------------------------------
41// global variables
42//-----------------------------------------------------------------------------
43
44extern int wxPageNumber;
45
46//-----------------------------------------------------------------------------
47// wxDC
48//-----------------------------------------------------------------------------
49
50class WXDLLEXPORT wxDC: public wxDCBase
51{
52 DECLARE_DYNAMIC_CLASS(wxDC)
53 DECLARE_NO_COPY_CLASS(wxDC)
54
55 public:
56
57 wxDC();
58 ~wxDC();
59
60
61 // implement base class pure virtuals
62 // ----------------------------------
63
64 virtual void Clear();
65
66 virtual bool StartDoc( const wxString& WXUNUSED(message) ) { return TRUE; }
67 virtual void EndDoc(void) {};
68
69 virtual void StartPage(void) {};
70 virtual void EndPage(void) {};
71
72 virtual void SetFont(const wxFont& font) {}
73 virtual void SetPen(const wxPen& pen);
74 virtual void SetBrush(const wxBrush& brush);
75 virtual void SetBackground(const wxBrush& brush);
76 virtual void SetBackgroundMode(int mode) {}
77 virtual void SetPalette(const wxPalette& palette);
78
79 virtual void DestroyClippingRegion();
80
81 virtual wxCoord GetCharHeight() const;
82 virtual wxCoord GetCharWidth() const;
83 virtual void DoGetTextExtent(const wxString& string,
84 wxCoord *x, wxCoord *y,
85 wxCoord *descent = NULL,
86 wxCoord *externalLeading = NULL,
87 wxFont *theFont = NULL) const;
88
89 virtual bool CanDrawBitmap() const;
90 virtual bool CanGetTextExtent() const;
91 virtual int GetDepth() const;
92 virtual wxSize GetPPI() const;
93
94 virtual void SetMapMode(int mode);
95 virtual void SetUserScale(double x, double y);
96
97 virtual void SetLogicalScale(double x, double y);
98 virtual void SetLogicalOrigin(wxCoord x, wxCoord y);
99 virtual void SetDeviceOrigin(wxCoord x, wxCoord y);
100 virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp);
101 virtual void SetLogicalFunction(int function);
102
103 virtual void SetTextForeground(const wxColour& colour) ;
104 virtual void SetTextBackground(const wxColour& colour) ;
105
106 void ComputeScaleAndOrigin(void);
107 public:
108
109
110 wxCoord XDEV2LOG(wxCoord x) const
111 {
112 long new_x = x - m_deviceOriginX ;
113 if (new_x > 0)
114 return (wxCoord)((double)(new_x) / m_scaleX + 0.5) * m_signX + m_logicalOriginX;
115 else
116 return (wxCoord)((double)(new_x) / m_scaleX - 0.5) * m_signX + m_logicalOriginX;
117 }
118 wxCoord XDEV2LOGREL(wxCoord x) const
119 {
120 if (x > 0)
121 return (wxCoord)((double)(x) / m_scaleX + 0.5);
122 else
123 return (wxCoord)((double)(x) / m_scaleX - 0.5);
124 }
125 wxCoord YDEV2LOG(wxCoord y) const
126 {
127 long new_y = y - m_deviceOriginY ;
128 if (new_y > 0)
129 return (wxCoord)((double)(new_y) / m_scaleY + 0.5) * m_signY + m_logicalOriginY;
130 else
131 return (wxCoord)((double)(new_y) / m_scaleY - 0.5) * m_signY + m_logicalOriginY;
132 }
133 wxCoord YDEV2LOGREL(wxCoord y) const
134 {
135 if (y > 0)
136 return (wxCoord)((double)(y) / m_scaleY + 0.5);
137 else
138 return (wxCoord)((double)(y) / m_scaleY - 0.5);
139 }
140 wxCoord XLOG2DEV(wxCoord x) const
141 {
142 long new_x = x - m_logicalOriginX;
143 if (new_x > 0)
144 return (wxCoord)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX ;
145 else
146 return (wxCoord)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX ;
147 }
148 wxCoord XLOG2DEVREL(wxCoord x) const
149 {
150 if (x > 0)
151 return (wxCoord)((double)(x) * m_scaleX + 0.5);
152 else
153 return (wxCoord)((double)(x) * m_scaleX - 0.5);
154 }
155 wxCoord YLOG2DEV(wxCoord y) const
156 {
157 long new_y = y - m_logicalOriginY ;
158 if (new_y > 0)
159 return (wxCoord)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY ;
160 else
161 return (wxCoord)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY ;
162 }
163 wxCoord YLOG2DEVREL(wxCoord y) const
164 {
165 if (y > 0)
166 return (wxCoord)((double)(y) * m_scaleY + 0.5);
167 else
168 return (wxCoord)((double)(y) * m_scaleY - 0.5);
169 }
170
171protected:
172 virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
173 int style = wxFLOOD_SURFACE);
174
175 virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const;
176
177 virtual void DoDrawPoint(wxCoord x, wxCoord y);
178 virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
179
180 virtual void DoDrawArc(wxCoord x1, wxCoord y1,
181 wxCoord x2, wxCoord y2,
182 wxCoord xc, wxCoord yc);
183
184 virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
185 double sa, double ea);
186
187 virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
188 virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
189 wxCoord width, wxCoord height,
190 double radius);
191 virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
192
193 virtual void DoCrossHair(wxCoord x, wxCoord y);
194
195 virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
196 virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
197 bool useMask = FALSE);
198
199 virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
200 virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
201 double angle);
202
203 virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
204 wxDC *source, wxCoord xsrc, wxCoord ysrc,
205 int rop = wxCOPY, bool useMask = FALSE, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1);
206
207 // this is gnarly - we can't even call this function DoSetClippingRegion()
208 // because of virtual function hiding
209 virtual void DoSetClippingRegionAsRegion(const wxRegion& region);
210 virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
211 wxCoord width, wxCoord height);
212 virtual void DoGetClippingRegion(wxCoord *x, wxCoord *y,
213 wxCoord *width, wxCoord *height)
214 {
215 GetClippingBox(x, y, width, height);
216 }
217
218 virtual void DoGetSize(int *width, int *height) const;
219 virtual void DoGetSizeMM(int* width, int* height) const;
220
221 virtual void DoDrawLines(int n, wxPoint points[],
222 wxCoord xoffset, wxCoord yoffset);
223 virtual void DoDrawPolygon(int n, wxPoint points[],
224 wxCoord xoffset, wxCoord yoffset,
225 int fillStyle = wxODDEVEN_RULE);
226
227 protected:
228};
229
230#endif
231 // _WX_DC_H_
wxWidgets (Impactor)