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0dbd6262 SC |
1 | ///////////////////////////////////////////////////////////////////////////// |
2 | // Name: dc.h | |
3 | // Purpose: wxDC class | |
a31a5f85 | 4 | // Author: Stefan Csomor |
0dbd6262 | 5 | // Modified by: |
a31a5f85 | 6 | // Created: 1998-01-01 |
0dbd6262 | 7 | // RCS-ID: $Id$ |
a31a5f85 | 8 | // Copyright: (c) Stefan Csomor |
d921af51 | 9 | // Licence: wxWindows licence |
0dbd6262 SC |
10 | ///////////////////////////////////////////////////////////////////////////// |
11 | ||
12 | #ifndef _WX_DC_H_ | |
13 | #define _WX_DC_H_ | |
14 | ||
af49c4b8 | 15 | #if defined(__GNUG__) && !defined(__APPLE__) |
0dbd6262 SC |
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 | |
d921af51 JS |
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 | |
0dbd6262 SC |
38 | #endif |
39 | ||
40 | //----------------------------------------------------------------------------- | |
41 | // global variables | |
42 | //----------------------------------------------------------------------------- | |
43 | ||
44 | extern int wxPageNumber; | |
45 | ||
5273bf2f | 46 | class wxMacPortStateHelper ; |
0dbd6262 SC |
47 | //----------------------------------------------------------------------------- |
48 | // wxDC | |
49 | //----------------------------------------------------------------------------- | |
50 | ||
05adb9d2 | 51 | class WXDLLEXPORT wxDC: public wxDCBase |
0dbd6262 | 52 | { |
be52b341 GD |
53 | DECLARE_DYNAMIC_CLASS(wxDC) |
54 | DECLARE_NO_COPY_CLASS(wxDC) | |
0dbd6262 SC |
55 | |
56 | public: | |
57 | ||
05adb9d2 SC |
58 | wxDC(); |
59 | ~wxDC(); | |
0dbd6262 | 60 | |
05adb9d2 SC |
61 | |
62 | // implement base class pure virtuals | |
63 | // ---------------------------------- | |
64 | ||
65 | virtual void Clear(); | |
66 | ||
3dec57ad | 67 | virtual bool StartDoc( const wxString& WXUNUSED(message) ) { return TRUE; } |
05adb9d2 SC |
68 | virtual void EndDoc(void) {}; |
69 | ||
70 | virtual void StartPage(void) {}; | |
71 | virtual void EndPage(void) {}; | |
72 | ||
73 | virtual void SetFont(const wxFont& font); | |
74 | virtual void SetPen(const wxPen& pen); | |
75 | virtual void SetBrush(const wxBrush& brush); | |
76 | virtual void SetBackground(const wxBrush& brush); | |
77 | virtual void SetBackgroundMode(int mode); | |
78 | virtual void SetPalette(const wxPalette& palette); | |
79 | ||
80 | virtual void DestroyClippingRegion(); | |
81 | ||
82 | virtual wxCoord GetCharHeight() const; | |
83 | virtual wxCoord GetCharWidth() const; | |
84 | virtual void DoGetTextExtent(const wxString& string, | |
85 | wxCoord *x, wxCoord *y, | |
86 | wxCoord *descent = NULL, | |
87 | wxCoord *externalLeading = NULL, | |
88 | wxFont *theFont = NULL) const; | |
89 | ||
90 | virtual bool CanDrawBitmap() const; | |
91 | virtual bool CanGetTextExtent() const; | |
92 | virtual int GetDepth() const; | |
93 | virtual wxSize GetPPI() const; | |
94 | ||
95 | virtual void SetMapMode(int mode); | |
96 | virtual void SetUserScale(double x, double y); | |
97 | ||
98 | virtual void SetLogicalScale(double x, double y); | |
99 | virtual void SetLogicalOrigin(wxCoord x, wxCoord y); | |
100 | virtual void SetDeviceOrigin(wxCoord x, wxCoord y); | |
101 | virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp); | |
102 | virtual void SetLogicalFunction(int function); | |
103 | ||
104 | virtual void SetTextForeground(const wxColour& colour) ; | |
105 | virtual void SetTextBackground(const wxColour& colour) ; | |
106 | ||
0dbd6262 | 107 | void ComputeScaleAndOrigin(void); |
05adb9d2 SC |
108 | public: |
109 | ||
0dbd6262 | 110 | |
03e11df5 | 111 | wxCoord XDEV2LOG(wxCoord x) const |
d921af51 JS |
112 | { |
113 | long new_x = x - m_deviceOriginX ; | |
114 | if (new_x > 0) | |
115 | return (wxCoord)((double)(new_x) / m_scaleX + 0.5) * m_signX + m_logicalOriginX; | |
116 | else | |
117 | return (wxCoord)((double)(new_x) / m_scaleX - 0.5) * m_signX + m_logicalOriginX; | |
118 | } | |
03e11df5 | 119 | wxCoord XDEV2LOGREL(wxCoord x) const |
d921af51 JS |
120 | { |
121 | if (x > 0) | |
122 | return (wxCoord)((double)(x) / m_scaleX + 0.5); | |
123 | else | |
124 | return (wxCoord)((double)(x) / m_scaleX - 0.5); | |
125 | } | |
03e11df5 | 126 | wxCoord YDEV2LOG(wxCoord y) const |
d921af51 JS |
127 | { |
128 | long new_y = y - m_deviceOriginY ; | |
129 | if (new_y > 0) | |
130 | return (wxCoord)((double)(new_y) / m_scaleY + 0.5) * m_signY + m_logicalOriginY; | |
131 | else | |
132 | return (wxCoord)((double)(new_y) / m_scaleY - 0.5) * m_signY + m_logicalOriginY; | |
133 | } | |
03e11df5 | 134 | wxCoord YDEV2LOGREL(wxCoord y) const |
d921af51 JS |
135 | { |
136 | if (y > 0) | |
137 | return (wxCoord)((double)(y) / m_scaleY + 0.5); | |
138 | else | |
139 | return (wxCoord)((double)(y) / m_scaleY - 0.5); | |
140 | } | |
03e11df5 | 141 | wxCoord XLOG2DEV(wxCoord x) const |
d921af51 JS |
142 | { |
143 | long new_x = x - m_logicalOriginX; | |
144 | if (new_x > 0) | |
145 | return (wxCoord)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX ; | |
146 | else | |
147 | return (wxCoord)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX ; | |
148 | } | |
03e11df5 | 149 | wxCoord XLOG2DEVREL(wxCoord x) const |
d921af51 JS |
150 | { |
151 | if (x > 0) | |
152 | return (wxCoord)((double)(x) * m_scaleX + 0.5); | |
153 | else | |
154 | return (wxCoord)((double)(x) * m_scaleX - 0.5); | |
155 | } | |
03e11df5 | 156 | wxCoord YLOG2DEV(wxCoord y) const |
d921af51 JS |
157 | { |
158 | long new_y = y - m_logicalOriginY ; | |
159 | if (new_y > 0) | |
160 | return (wxCoord)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY ; | |
161 | else | |
162 | return (wxCoord)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY ; | |
163 | } | |
03e11df5 | 164 | wxCoord YLOG2DEVREL(wxCoord y) const |
d921af51 JS |
165 | { |
166 | if (y > 0) | |
167 | return (wxCoord)((double)(y) * m_scaleY + 0.5); | |
168 | else | |
169 | return (wxCoord)((double)(y) * m_scaleY - 0.5); | |
170 | } | |
5b36f53b | 171 | wxCoord XLOG2DEVMAC(wxCoord x) const |
d921af51 JS |
172 | { |
173 | long new_x = x - m_logicalOriginX; | |
174 | if (new_x > 0) | |
175 | return (wxCoord)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX + m_macLocalOrigin.x ; | |
176 | else | |
177 | return (wxCoord)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX + m_macLocalOrigin.x ; | |
178 | } | |
5b36f53b | 179 | wxCoord YLOG2DEVMAC(wxCoord y) const |
d921af51 JS |
180 | { |
181 | long new_y = y - m_logicalOriginY ; | |
182 | if (new_y > 0) | |
183 | return (wxCoord)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY + m_macLocalOrigin.y ; | |
184 | else | |
185 | return (wxCoord)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY + m_macLocalOrigin.y ; | |
186 | } | |
187 | ||
5273bf2f | 188 | WXHRGN MacGetCurrentClipRgn() { return m_macCurrentClipRgn ; } |
5b36f53b | 189 | static void MacSetupBackgroundForCurrentPort(const wxBrush& background ) ; |
05adb9d2 SC |
190 | // |
191 | ||
192 | protected: | |
387ebd3e | 193 | virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, |
05adb9d2 SC |
194 | int style = wxFLOOD_SURFACE); |
195 | ||
196 | virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const; | |
197 | ||
198 | virtual void DoDrawPoint(wxCoord x, wxCoord y); | |
199 | virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2); | |
200 | ||
201 | virtual void DoDrawArc(wxCoord x1, wxCoord y1, | |
202 | wxCoord x2, wxCoord y2, | |
203 | wxCoord xc, wxCoord yc); | |
204 | ||
205 | virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h, | |
206 | double sa, double ea); | |
207 | ||
208 | virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height); | |
209 | virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y, | |
210 | wxCoord width, wxCoord height, | |
211 | double radius); | |
212 | virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height); | |
213 | ||
214 | virtual void DoCrossHair(wxCoord x, wxCoord y); | |
215 | ||
216 | virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y); | |
217 | virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, | |
218 | bool useMask = FALSE); | |
219 | ||
220 | virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y); | |
221 | virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, | |
222 | double angle); | |
223 | ||
224 | virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height, | |
225 | wxDC *source, wxCoord xsrc, wxCoord ysrc, | |
0cbff120 | 226 | int rop = wxCOPY, bool useMask = FALSE, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1); |
05adb9d2 SC |
227 | |
228 | // this is gnarly - we can't even call this function DoSetClippingRegion() | |
229 | // because of virtual function hiding | |
230 | virtual void DoSetClippingRegionAsRegion(const wxRegion& region); | |
231 | virtual void DoSetClippingRegion(wxCoord x, wxCoord y, | |
232 | wxCoord width, wxCoord height); | |
233 | virtual void DoGetClippingRegion(wxCoord *x, wxCoord *y, | |
234 | wxCoord *width, wxCoord *height) | |
235 | { | |
236 | GetClippingBox(x, y, width, height); | |
237 | } | |
238 | ||
239 | virtual void DoGetSize(int *width, int *height) const; | |
240 | virtual void DoGetSizeMM(int* width, int* height) const; | |
241 | ||
242 | virtual void DoDrawLines(int n, wxPoint points[], | |
243 | wxCoord xoffset, wxCoord yoffset); | |
244 | virtual void DoDrawPolygon(int n, wxPoint points[], | |
245 | wxCoord xoffset, wxCoord yoffset, | |
246 | int fillStyle = wxODDEVEN_RULE); | |
247 | ||
3dec57ad SC |
248 | protected: |
249 | //begin wxmac | |
250 | // Variables used for scaling | |
0dbd6262 | 251 | double m_mm_to_pix_x,m_mm_to_pix_y; |
3dec57ad SC |
252 | // not yet used |
253 | bool m_needComputeScaleX,m_needComputeScaleY; | |
254 | // If un-scrolled is non-zero or d.o. changes with scrolling. | |
d921af51 JS |
255 | // Set using SetInternalDeviceOrigin(). |
256 | long m_internalDeviceOriginX,m_internalDeviceOriginY; | |
257 | // To be set by external classes such as wxScrolledWindow | |
258 | // using SetDeviceOrigin() | |
259 | long m_externalDeviceOriginX,m_externalDeviceOriginY; | |
3dec57ad SC |
260 | |
261 | // Begin implementation for Mac | |
262 | public: | |
d921af51 JS |
263 | |
264 | WXHDC m_macPort ; | |
265 | WXHBITMAP m_macMask ; | |
266 | ||
267 | // in order to preserve the const inheritance of the virtual functions, we have to | |
268 | // use mutable variables starting from CWPro 5 | |
269 | ||
270 | void MacInstallFont() const ; | |
271 | void MacInstallPen() const ; | |
272 | void MacInstallBrush() const ; | |
273 | ||
274 | mutable bool m_macFontInstalled ; | |
275 | mutable bool m_macPenInstalled ; | |
276 | mutable bool m_macBrushInstalled ; | |
277 | ||
278 | WXHRGN m_macBoundaryClipRgn ; | |
279 | WXHRGN m_macCurrentClipRgn ; | |
280 | wxPoint m_macLocalOrigin ; | |
281 | void MacSetupPort( wxMacPortStateHelper* ph ) const ; | |
282 | void MacCleanupPort( wxMacPortStateHelper* ph ) const ; | |
283 | mutable void* m_macATSUIStyle ; | |
284 | mutable wxMacPortStateHelper* m_macCurrentPortStateHelper ; | |
285 | mutable bool m_macFormerAliasState ; | |
286 | mutable short m_macFormerAliasSize ; | |
287 | mutable bool m_macAliasWasEnabled ; | |
288 | mutable void* m_macForegroundPixMap ; | |
289 | mutable void* m_macBackgroundPixMap ; | |
0dbd6262 SC |
290 | }; |
291 | ||
292 | #endif | |
293 | // _WX_DC_H_ |