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52479aef SC |
1 | ///////////////////////////////////////////////////////////////////////////// |
2 | // Name: dc.h | |
3 | // Purpose: wxDC class | |
4 | // Author: Stefan Csomor | |
5 | // Modified by: | |
6 | // Created: 1998-01-01 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Stefan Csomor | |
65571936 | 9 | // Licence: wxWindows licence |
52479aef SC |
10 | ///////////////////////////////////////////////////////////////////////////// |
11 | ||
12 | #ifndef _WX_DC_H_ | |
13 | #define _WX_DC_H_ | |
14 | ||
15 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) | |
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 | DECLARE_NO_COPY_CLASS(wxDC) | |
55 | ||
56 | public: | |
57 | ||
58 | wxDC(); | |
59 | ~wxDC(); | |
c5789d15 | 60 | |
52479aef SC |
61 | |
62 | // implement base class pure virtuals | |
63 | // ---------------------------------- | |
64 | ||
65 | virtual void Clear(); | |
66 | ||
67 | virtual bool StartDoc( const wxString& WXUNUSED(message) ) { return TRUE; } | |
68 | virtual void EndDoc(void) {}; | |
c5789d15 | 69 | |
52479aef SC |
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 | virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const; | |
90 | ||
91 | virtual bool CanDrawBitmap() const; | |
92 | virtual bool CanGetTextExtent() const; | |
93 | virtual int GetDepth() const; | |
94 | virtual wxSize GetPPI() const; | |
95 | ||
96 | virtual void SetMapMode(int mode); | |
97 | virtual void SetUserScale(double x, double y); | |
98 | ||
99 | virtual void SetLogicalScale(double x, double y); | |
100 | virtual void SetLogicalOrigin(wxCoord x, wxCoord y); | |
101 | virtual void SetDeviceOrigin(wxCoord x, wxCoord y); | |
102 | virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp); | |
103 | virtual void SetLogicalFunction(int function); | |
104 | ||
105 | virtual void SetTextForeground(const wxColour& colour) ; | |
106 | virtual void SetTextBackground(const wxColour& colour) ; | |
107 | ||
108 | void ComputeScaleAndOrigin(void); | |
109 | public: | |
c5789d15 WS |
110 | |
111 | ||
52479aef SC |
112 | wxCoord XDEV2LOG(wxCoord x) const |
113 | { | |
114 | long new_x = x - m_deviceOriginX ; | |
115 | if (new_x > 0) | |
116 | return (wxCoord)((double)(new_x) / m_scaleX + 0.5) * m_signX + m_logicalOriginX; | |
117 | else | |
118 | return (wxCoord)((double)(new_x) / m_scaleX - 0.5) * m_signX + m_logicalOriginX; | |
119 | } | |
120 | wxCoord XDEV2LOGREL(wxCoord x) const | |
c5789d15 | 121 | { |
52479aef SC |
122 | if (x > 0) |
123 | return (wxCoord)((double)(x) / m_scaleX + 0.5); | |
124 | else | |
125 | return (wxCoord)((double)(x) / m_scaleX - 0.5); | |
126 | } | |
127 | wxCoord YDEV2LOG(wxCoord y) const | |
128 | { | |
129 | long new_y = y - m_deviceOriginY ; | |
130 | if (new_y > 0) | |
131 | return (wxCoord)((double)(new_y) / m_scaleY + 0.5) * m_signY + m_logicalOriginY; | |
132 | else | |
133 | return (wxCoord)((double)(new_y) / m_scaleY - 0.5) * m_signY + m_logicalOriginY; | |
134 | } | |
135 | wxCoord YDEV2LOGREL(wxCoord y) const | |
c5789d15 | 136 | { |
52479aef SC |
137 | if (y > 0) |
138 | return (wxCoord)((double)(y) / m_scaleY + 0.5); | |
139 | else | |
140 | return (wxCoord)((double)(y) / m_scaleY - 0.5); | |
141 | } | |
142 | wxCoord XLOG2DEV(wxCoord x) const | |
c5789d15 | 143 | { |
52479aef SC |
144 | long new_x = x - m_logicalOriginX; |
145 | if (new_x > 0) | |
146 | return (wxCoord)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX ; | |
147 | else | |
148 | return (wxCoord)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX ; | |
149 | } | |
150 | wxCoord XLOG2DEVREL(wxCoord x) const | |
c5789d15 | 151 | { |
52479aef SC |
152 | if (x > 0) |
153 | return (wxCoord)((double)(x) * m_scaleX + 0.5); | |
154 | else | |
155 | return (wxCoord)((double)(x) * m_scaleX - 0.5); | |
156 | } | |
157 | wxCoord YLOG2DEV(wxCoord y) const | |
158 | { | |
159 | long new_y = y - m_logicalOriginY ; | |
160 | if (new_y > 0) | |
161 | return (wxCoord)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY ; | |
162 | else | |
163 | return (wxCoord)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY ; | |
164 | } | |
165 | wxCoord YLOG2DEVREL(wxCoord y) const | |
c5789d15 | 166 | { |
52479aef SC |
167 | if (y > 0) |
168 | return (wxCoord)((double)(y) * m_scaleY + 0.5); | |
169 | else | |
170 | return (wxCoord)((double)(y) * m_scaleY - 0.5); | |
171 | } | |
172 | wxCoord XLOG2DEVMAC(wxCoord x) const | |
c5789d15 | 173 | { |
52479aef SC |
174 | long new_x = x - m_logicalOriginX; |
175 | if (new_x > 0) | |
176 | return (wxCoord)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX + m_macLocalOrigin.x ; | |
177 | else | |
178 | return (wxCoord)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX + m_macLocalOrigin.x ; | |
179 | } | |
180 | wxCoord YLOG2DEVMAC(wxCoord y) const | |
181 | { | |
182 | long new_y = y - m_logicalOriginY ; | |
183 | if (new_y > 0) | |
184 | return (wxCoord)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY + m_macLocalOrigin.y ; | |
185 | else | |
186 | return (wxCoord)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY + m_macLocalOrigin.y ; | |
187 | } | |
188 | ||
189 | WXHRGN MacGetCurrentClipRgn() { return m_macCurrentClipRgn ; } | |
190 | static void MacSetupBackgroundForCurrentPort(const wxBrush& background ) ; | |
191 | // | |
192 | ||
193 | protected: | |
194 | virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, | |
195 | int style = wxFLOOD_SURFACE); | |
196 | ||
197 | virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const; | |
198 | ||
199 | virtual void DoDrawPoint(wxCoord x, wxCoord y); | |
200 | virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2); | |
201 | ||
202 | virtual void DoDrawArc(wxCoord x1, wxCoord y1, | |
203 | wxCoord x2, wxCoord y2, | |
204 | wxCoord xc, wxCoord yc); | |
c5789d15 | 205 | |
52479aef SC |
206 | virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h, |
207 | double sa, double ea); | |
208 | ||
209 | virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height); | |
210 | virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y, | |
211 | wxCoord width, wxCoord height, | |
212 | double radius); | |
213 | virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height); | |
214 | ||
215 | virtual void DoCrossHair(wxCoord x, wxCoord y); | |
216 | ||
217 | virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y); | |
218 | virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, | |
219 | bool useMask = FALSE); | |
220 | ||
221 | virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y); | |
222 | virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, | |
223 | double angle); | |
224 | ||
225 | virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height, | |
226 | wxDC *source, wxCoord xsrc, wxCoord ysrc, | |
227 | int rop = wxCOPY, bool useMask = FALSE, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1); | |
228 | ||
229 | // this is gnarly - we can't even call this function DoSetClippingRegion() | |
230 | // because of virtual function hiding | |
231 | virtual void DoSetClippingRegionAsRegion(const wxRegion& region); | |
232 | virtual void DoSetClippingRegion(wxCoord x, wxCoord y, | |
233 | wxCoord width, wxCoord height); | |
52479aef SC |
234 | |
235 | virtual void DoGetSizeMM(int* width, int* height) const; | |
236 | ||
237 | virtual void DoDrawLines(int n, wxPoint points[], | |
238 | wxCoord xoffset, wxCoord yoffset); | |
239 | virtual void DoDrawPolygon(int n, wxPoint points[], | |
240 | wxCoord xoffset, wxCoord yoffset, | |
241 | int fillStyle = wxODDEVEN_RULE); | |
242 | ||
243 | protected: | |
244 | //begin wxmac | |
245 | // Variables used for scaling | |
c5789d15 | 246 | double m_mm_to_pix_x,m_mm_to_pix_y; |
52479aef | 247 | // not yet used |
c5789d15 | 248 | bool m_needComputeScaleX,m_needComputeScaleY; |
52479aef SC |
249 | // If un-scrolled is non-zero or d.o. changes with scrolling. |
250 | // Set using SetInternalDeviceOrigin(). | |
251 | long m_internalDeviceOriginX,m_internalDeviceOriginY; | |
252 | // To be set by external classes such as wxScrolledWindow | |
253 | // using SetDeviceOrigin() | |
254 | long m_externalDeviceOriginX,m_externalDeviceOriginY; | |
c5789d15 | 255 | |
52479aef SC |
256 | // Begin implementation for Mac |
257 | public: | |
c5789d15 | 258 | |
52479aef SC |
259 | WXHDC m_macPort ; |
260 | WXHBITMAP m_macMask ; | |
261 | ||
c5789d15 | 262 | // in order to preserve the const inheritance of the virtual functions, we have to |
52479aef SC |
263 | // use mutable variables starting from CWPro 5 |
264 | ||
265 | void MacInstallFont() const ; | |
266 | void MacInstallPen() const ; | |
267 | void MacInstallBrush() const ; | |
268 | ||
269 | mutable bool m_macFontInstalled ; | |
270 | mutable bool m_macPenInstalled ; | |
271 | mutable bool m_macBrushInstalled ; | |
272 | ||
273 | WXHRGN m_macBoundaryClipRgn ; | |
274 | WXHRGN m_macCurrentClipRgn ; | |
275 | wxPoint m_macLocalOrigin ; | |
276 | void MacSetupPort( wxMacPortStateHelper* ph ) const ; | |
277 | void MacCleanupPort( wxMacPortStateHelper* ph ) const ; | |
278 | mutable void* m_macATSUIStyle ; | |
279 | mutable wxMacPortStateHelper* m_macCurrentPortStateHelper ; | |
280 | mutable bool m_macFormerAliasState ; | |
281 | mutable short m_macFormerAliasSize ; | |
282 | mutable bool m_macAliasWasEnabled ; | |
283 | mutable void* m_macForegroundPixMap ; | |
284 | mutable void* m_macBackgroundPixMap ; | |
285 | }; | |
286 | ||
287 | #endif | |
288 | // _WX_DC_H_ |