]> git.saurik.com Git - wxWidgets.git/blob - include/wx/mac/dc.h
wxCursor(wxImage) added (Chris Elliott, patch 517439)
[wxWidgets.git] / include / wx / mac / dc.h
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 #ifdef __GNUG__
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
44 extern int wxPageNumber;
45
46 class wxMacPortStateHelper ;
47 //-----------------------------------------------------------------------------
48 // wxDC
49 //-----------------------------------------------------------------------------
50
51 class WXDLLEXPORT wxDC: public wxDCBase
52 {
53 DECLARE_DYNAMIC_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 wxCoord XLOG2DEVMAC(wxCoord x) const
171 {
172 long new_x = x - m_logicalOriginX;
173 if (new_x > 0)
174 return (wxCoord)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX + m_macLocalOrigin.x ;
175 else
176 return (wxCoord)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX + m_macLocalOrigin.x ;
177 }
178 wxCoord YLOG2DEVMAC(wxCoord y) const
179 {
180 long new_y = y - m_logicalOriginY ;
181 if (new_y > 0)
182 return (wxCoord)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY + m_macLocalOrigin.y ;
183 else
184 return (wxCoord)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY + m_macLocalOrigin.y ;
185 }
186
187 WXHRGN MacGetCurrentClipRgn() { return m_macCurrentClipRgn ; }
188 static void MacSetupBackgroundForCurrentPort(const wxBrush& background ) ;
189 //
190
191 protected:
192 virtual void DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
193 int style = wxFLOOD_SURFACE);
194
195 virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const;
196
197 virtual void DoDrawPoint(wxCoord x, wxCoord y);
198 virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
199
200 virtual void DoDrawArc(wxCoord x1, wxCoord y1,
201 wxCoord x2, wxCoord y2,
202 wxCoord xc, wxCoord yc);
203
204 virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
205 double sa, double ea);
206
207 virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
208 virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
209 wxCoord width, wxCoord height,
210 double radius);
211 virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
212
213 virtual void DoCrossHair(wxCoord x, wxCoord y);
214
215 virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
216 virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
217 bool useMask = FALSE);
218
219 virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
220 virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
221 double angle);
222
223 virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
224 wxDC *source, wxCoord xsrc, wxCoord ysrc,
225 int rop = wxCOPY, bool useMask = FALSE, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1);
226
227 // this is gnarly - we can't even call this function DoSetClippingRegion()
228 // because of virtual function hiding
229 virtual void DoSetClippingRegionAsRegion(const wxRegion& region);
230 virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
231 wxCoord width, wxCoord height);
232 virtual void DoGetClippingRegion(wxCoord *x, wxCoord *y,
233 wxCoord *width, wxCoord *height)
234 {
235 GetClippingBox(x, y, width, height);
236 }
237
238 virtual void DoGetSize(int *width, int *height) const;
239 virtual void DoGetSizeMM(int* width, int* height) const;
240
241 virtual void DoDrawLines(int n, wxPoint points[],
242 wxCoord xoffset, wxCoord yoffset);
243 virtual void DoDrawPolygon(int n, wxPoint points[],
244 wxCoord xoffset, wxCoord yoffset,
245 int fillStyle = wxODDEVEN_RULE);
246
247 protected:
248 //begin wxmac
249 // Variables used for scaling
250 double m_mm_to_pix_x,m_mm_to_pix_y;
251 // not yet used
252 bool m_needComputeScaleX,m_needComputeScaleY;
253 // If un-scrolled is non-zero or d.o. changes with scrolling.
254 // Set using SetInternalDeviceOrigin().
255 long m_internalDeviceOriginX,m_internalDeviceOriginY;
256 // To be set by external classes such as wxScrolledWindow
257 // using SetDeviceOrigin()
258 long m_externalDeviceOriginX,m_externalDeviceOriginY;
259
260 // Begin implementation for Mac
261 public:
262
263 WXHDC m_macPort ;
264 WXHBITMAP m_macMask ;
265
266 // in order to preserve the const inheritance of the virtual functions, we have to
267 // use mutable variables starting from CWPro 5
268
269 void MacInstallFont() const ;
270 void MacInstallPen() const ;
271 void MacInstallBrush() const ;
272
273 mutable bool m_macFontInstalled ;
274 mutable bool m_macPenInstalled ;
275 mutable bool m_macBrushInstalled ;
276
277 WXHRGN m_macBoundaryClipRgn ;
278 WXHRGN m_macCurrentClipRgn ;
279 wxPoint m_macLocalOrigin ;
280 void MacSetupPort( wxMacPortStateHelper* ph ) const ;
281 void MacCleanupPort( wxMacPortStateHelper* ph ) const ;
282 mutable void* m_macATSUIStyle ;
283 mutable wxMacPortStateHelper* m_macCurrentPortStateHelper ;
284 mutable bool m_macFormerAliasState ;
285 mutable short m_macFormerAliasSize ;
286 mutable bool m_macAliasWasEnabled ;
287 mutable void* m_macForegroundPixMap ;
288 mutable void* m_macBackgroundPixMap ;
289 };
290
291 #endif
292 // _WX_DC_H_