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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: postscrp.cpp | |
3 | // Purpose: wxPostScriptDC implementation | |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 04/01/98 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Julian Smart and Markus Holzem | |
9 | // Licence: wxWindows license | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #ifdef __GNUG__ | |
13 | #pragma implementation "postscrp.h" | |
14 | #pragma implementation | |
15 | #pragma interface | |
16 | #endif | |
17 | ||
18 | // For compilers that support precompilation, includes "wx.h". | |
19 | #include "wx/wxprec.h" | |
20 | ||
21 | #ifdef __BORLANDC__ | |
22 | #pragma hdrstop | |
23 | #endif | |
24 | ||
25 | #include "wx/defs.h" | |
26 | ||
27 | #if wxUSE_POSTSCRIPT | |
28 | ||
29 | #ifndef WX_PRECOMP | |
30 | #include "wx/intl.h" | |
31 | #include "wx/frame.h" | |
32 | #include "wx/utils.h" | |
33 | #include "wx/filedlg.h" | |
34 | #include "wx/msgdlg.h" | |
35 | #include "wx/app.h" | |
36 | #include "wx/button.h" | |
37 | #include "wx/radiobox.h" | |
38 | #include "wx/textctrl.h" | |
39 | #include "wx/stattext.h" | |
40 | #include "wx/icon.h" | |
41 | #include "wx/list.h" | |
42 | #endif | |
43 | ||
44 | #include "wx/postscrp.h" | |
45 | #include "wx/dcmemory.h" | |
46 | ||
47 | #ifdef __WXMSW__ | |
48 | #include "wx/msw/private.h" | |
49 | #endif | |
50 | ||
51 | #if wxUSE_IOSTREAMH | |
52 | #include <iostream.h> | |
53 | #include <fstream.h> | |
54 | #else | |
55 | #include <iostream> | |
56 | #include <fstream> | |
57 | # ifdef _MSC_VER | |
58 | using namespace std; | |
59 | # endif | |
60 | #endif | |
61 | ||
62 | #include <math.h> | |
63 | #include <stdio.h> | |
64 | #include <stdlib.h> | |
65 | #include <string.h> | |
66 | #include <limits.h> | |
67 | #include <assert.h> | |
68 | ||
69 | #ifdef __WXGTK__ | |
70 | ||
71 | #include "gdk/gdkx.h" // GDK_DISPLAY | |
72 | #include "gdk/gdkprivate.h" // XImage | |
73 | #include <X11/Xlib.h> | |
74 | #include <X11/Xutil.h> | |
75 | ||
76 | #endif | |
77 | ||
78 | #ifdef __WXMOTIF__ | |
79 | #include <X11/Xlib.h> | |
80 | #include <X11/Xutil.h> | |
81 | #endif | |
82 | ||
83 | #ifdef __WXMSW__ | |
84 | ||
85 | #ifdef DrawText | |
86 | #undef DrawText | |
87 | #endif | |
88 | ||
89 | #ifdef StartDoc | |
90 | #undef StartDoc | |
91 | #endif | |
92 | ||
93 | #ifdef GetCharWidth | |
94 | #undef GetCharWidth | |
95 | #endif | |
96 | ||
97 | #ifdef FindWindow | |
98 | #undef FindWindow | |
99 | #endif | |
100 | ||
101 | #endif | |
102 | ||
103 | // Declarations local to this file | |
104 | #define YSCALE(y) (m_yOrigin / m_scaleFactor - (y)) | |
105 | ||
106 | // Determine the Default Postscript Previewer | |
107 | // available on the platform | |
108 | #if defined(__SUN__) && defined(__XVIEW__) | |
109 | // OpenWindow/NeWS's Postscript Previewer | |
110 | # define PS_VIEWER_PROG "pageview" | |
111 | #elif defined(__VMS__) | |
112 | #define PS_VIEWER_PROG "view/format=ps/select=x_display" | |
113 | #elif defined(__SGI__) | |
114 | // SGI's Display Postscript Previewer | |
115 | //# define PS_VIEWER_PROG "dps" | |
116 | # define PS_VIEWER_PROG "xpsview" | |
117 | #elif defined(__X__) || defined(__WXGTK__) | |
118 | // Front-end to ghostscript | |
119 | # define PS_VIEWER_PROG "ghostview" | |
120 | #else | |
121 | // Windows ghostscript/ghostview | |
122 | # define PS_VIEWER_PROG NULL | |
123 | #endif | |
124 | ||
125 | wxPrintSetupData *wxThePrintSetupData = (wxPrintSetupData *) NULL; | |
126 | ||
127 | #if !USE_SHARED_LIBRARY | |
128 | IMPLEMENT_DYNAMIC_CLASS(wxPostScriptModule, wxModule) | |
129 | IMPLEMENT_DYNAMIC_CLASS(wxPostScriptDC, wxDC) | |
130 | IMPLEMENT_DYNAMIC_CLASS(wxPrintSetupData, wxObject) | |
131 | IMPLEMENT_DYNAMIC_CLASS(wxPrintPaperType, wxObject) | |
132 | #endif | |
133 | ||
134 | #ifndef __WXGTK__ | |
135 | ||
136 | // these should move into wxPostscriptDC: | |
137 | double UnderlinePosition = 0.0F; | |
138 | double UnderlineThickness = 0.0F; | |
139 | ||
140 | #define _MAXPATHLEN 500 | |
141 | ||
142 | /* See "wxspline.inc" and "xfspline.inc" */ | |
143 | #if wxUSE_XFIG_SPLINE_CODE | |
144 | static const char *wxPostScriptHeaderSpline = " \ | |
145 | /DrawSplineSection {\n\ | |
146 | /y3 exch def\n\ | |
147 | /x3 exch def\n\ | |
148 | /y2 exch def\n\ | |
149 | /x2 exch def\n\ | |
150 | /y1 exch def\n\ | |
151 | /x1 exch def\n\ | |
152 | /xa x1 x2 x1 sub 0.666667 mul add def\n\ | |
153 | /ya y1 y2 y1 sub 0.666667 mul add def\n\ | |
154 | /xb x3 x2 x3 sub 0.666667 mul add def\n\ | |
155 | /yb y3 y2 y3 sub 0.666667 mul add def\n\ | |
156 | x1 y1 lineto\n\ | |
157 | xa ya xb yb x3 y3 curveto\n\ | |
158 | } def\n\ | |
159 | "; | |
160 | #else | |
161 | // No extra PS header for this spline implementation. | |
162 | static const char *wxPostScriptHeaderSpline = (char *) NULL; | |
163 | ||
164 | #endif /* wxUSE_XFIG_SPLINE_CODE */ | |
165 | ||
166 | // steve, 05.09.94 | |
167 | // VMS has a bug in the ofstream class. | |
168 | // the buffering doesn't work correctly. therefore | |
169 | // we will allocate (temporarily) a very big buffer (1MB), so | |
170 | // that a buffer overflow will not occur. | |
171 | #ifdef __VMS__ | |
172 | #define VMS_BUFSIZ (1024L*1024L) | |
173 | static char *fileBuffer = NULL; | |
174 | #endif | |
175 | ||
176 | wxPostScriptDC::wxPostScriptDC () | |
177 | { | |
178 | // m_yOrigin = 792; // For EPS output | |
179 | m_yOrigin = 842; // For A4 output | |
180 | ||
181 | m_minX = 1000; | |
182 | m_minY = 1000; | |
183 | m_maxX = -1000; | |
184 | m_maxY = -1000; | |
185 | m_title = ""; | |
186 | ||
187 | m_pstream = (ofstream *) NULL; | |
188 | ||
189 | #ifdef __WXMSW__ | |
190 | // Can only send to file in Windows | |
191 | wxThePrintSetupData->SetPrinterMode(PS_FILE); | |
192 | #endif | |
193 | ||
194 | m_currentRed = 255; | |
195 | m_currentGreen = 255; | |
196 | m_currentBlue = 0; | |
197 | } | |
198 | ||
199 | wxPostScriptDC::wxPostScriptDC (const wxString& file, bool interactive, wxWindow *parent) | |
200 | { | |
201 | Create(file, interactive, parent); | |
202 | } | |
203 | ||
204 | bool wxPostScriptDC::Create(const wxString& file, bool interactive, wxWindow *parent) | |
205 | { | |
206 | m_isInteractive = interactive; | |
207 | ||
208 | m_yOrigin = 792; // For EPS output | |
209 | // m_yOrigin = 842; // For A4 output | |
210 | ||
211 | m_minX = 1000; | |
212 | m_minY = 1000; | |
213 | m_maxX = -1000; | |
214 | m_maxY = -1000; | |
215 | m_title = ""; | |
216 | m_filename = file; | |
217 | m_pstream = (ofstream *) NULL; | |
218 | ||
219 | #ifdef __WXMSW__ | |
220 | // Can only send to file in Windows | |
221 | wxThePrintSetupData->SetPrinterMode(PS_FILE); | |
222 | #endif | |
223 | ||
224 | if (m_isInteractive) | |
225 | { | |
226 | if ((m_ok = PrinterDialog (parent) ) == FALSE) return FALSE; | |
227 | } | |
228 | else | |
229 | m_ok = TRUE; | |
230 | ||
231 | m_currentRed = 255; | |
232 | m_currentGreen = 255; | |
233 | m_currentBlue = 0; | |
234 | ||
235 | m_scaleFactor = 1.0; | |
236 | ||
237 | return m_ok; | |
238 | } | |
239 | ||
240 | wxPostScriptDC::~wxPostScriptDC () | |
241 | { | |
242 | if (m_pstream) | |
243 | delete m_pstream; | |
244 | } | |
245 | ||
246 | bool wxPostScriptDC::PrinterDialog(wxWindow *parent) | |
247 | { | |
248 | wxPostScriptPrintDialog dialog (parent, _("Printer Settings"), wxPoint(150, 150), wxSize(400, 400), wxDEFAULT_DIALOG_STYLE | wxDIALOG_MODAL); | |
249 | m_ok = (dialog.ShowModal () == wxID_OK) ; | |
250 | ||
251 | if (!m_ok) | |
252 | return FALSE; | |
253 | ||
254 | if ((m_filename == "") && (wxThePrintSetupData->GetPrinterMode() == PS_PREVIEW || wxThePrintSetupData->GetPrinterMode() == PS_PRINTER)) | |
255 | { | |
256 | // steve, 05.09.94 | |
257 | #ifdef __VMS__ | |
258 | wxThePrintSetupData->SetPrinterFile("preview"); | |
259 | #else | |
260 | // For PS_PRINTER action this depends on a Unix-style print spooler | |
261 | // since the wx_printer_file can be destroyed during a session | |
262 | // @@@ TODO: a Windows-style answer for non-Unix | |
263 | char userId[256]; | |
264 | wxGetUserId (userId, sizeof (userId) / sizeof (char)); | |
265 | char tmp[256]; | |
266 | strcpy (tmp, "/tmp/preview_"); | |
267 | strcat (tmp, userId); | |
268 | wxThePrintSetupData->SetPrinterFile(tmp); | |
269 | #endif | |
270 | char tmp2[256]; | |
271 | strcpy(tmp2, wxThePrintSetupData->GetPrinterFile()); | |
272 | strcat (tmp2, ".ps"); | |
273 | wxThePrintSetupData->SetPrinterFile(tmp2); | |
274 | m_filename = tmp2; | |
275 | } | |
276 | else if ((m_filename == "") && (wxThePrintSetupData->GetPrinterMode() == PS_FILE)) | |
277 | { | |
278 | char *file = wxSaveFileSelector (_("PostScript"), "ps"); | |
279 | if (!file) | |
280 | { | |
281 | m_ok = FALSE; | |
282 | return FALSE; | |
283 | } | |
284 | wxThePrintSetupData->SetPrinterFile(file); | |
285 | m_filename = file; | |
286 | m_ok = TRUE; | |
287 | } | |
288 | ||
289 | return m_ok; | |
290 | } | |
291 | ||
292 | void wxPostScriptDC::SetClippingRegion (long cx, long cy, long cw, long ch) | |
293 | { | |
294 | if (m_clipping) | |
295 | return; | |
296 | if (!m_pstream) | |
297 | return; | |
298 | ||
299 | m_clipping = TRUE; | |
300 | *m_pstream << "gsave\n"; | |
301 | *m_pstream << "newpath\n"; | |
302 | *m_pstream << cx << " " << YSCALE (cy) << " moveto\n"; | |
303 | *m_pstream << (cx + cw) << " " << YSCALE (cy) << " lineto\n"; | |
304 | *m_pstream << cx + cw << " " << YSCALE (cy + ch) << " lineto\n"; | |
305 | *m_pstream << cx << " " << YSCALE (cy + ch) << " lineto\n"; | |
306 | *m_pstream << "closepath clip newpath\n"; | |
307 | } | |
308 | ||
309 | void wxPostScriptDC::SetClippingRegion( const wxRegion &WXUNUSED(region) ) | |
310 | { | |
311 | } | |
312 | ||
313 | void wxPostScriptDC::DestroyClippingRegion () | |
314 | { | |
315 | if (!m_pstream) | |
316 | return; | |
317 | if (m_clipping) | |
318 | { | |
319 | m_clipping = FALSE; | |
320 | *m_pstream << "grestore\n"; | |
321 | } | |
322 | } | |
323 | ||
324 | void wxPostScriptDC::Clear () | |
325 | { | |
326 | } | |
327 | ||
328 | void wxPostScriptDC::FloodFill (long WXUNUSED(x), long WXUNUSED(y), const wxColour &WXUNUSED(col), int WXUNUSED(style)) | |
329 | { | |
330 | } | |
331 | ||
332 | bool wxPostScriptDC::GetPixel (long WXUNUSED(x), long WXUNUSED(y), wxColour * WXUNUSED(col)) const | |
333 | { | |
334 | return FALSE; | |
335 | } | |
336 | ||
337 | void wxPostScriptDC::CrossHair (long WXUNUSED(x), long WXUNUSED(y)) | |
338 | { | |
339 | } | |
340 | ||
341 | void wxPostScriptDC::DrawLine (long x1, long y1, long x2, long y2) | |
342 | { | |
343 | if (!m_pstream) | |
344 | return; | |
345 | if (m_pen.Ok()) | |
346 | SetPen (m_pen); | |
347 | *m_pstream << "newpath\n"; | |
348 | *m_pstream << x1 << " " << YSCALE (y1) << " moveto\n"; | |
349 | *m_pstream << x2 << " " << YSCALE (y2) << " lineto\n"; | |
350 | *m_pstream << "stroke\n"; | |
351 | CalcBoundingBox (x1, (long)YSCALE (y1)); | |
352 | CalcBoundingBox (x2, (long)YSCALE (y2)); | |
353 | } | |
354 | ||
355 | #define RAD2DEG 57.29577951308 | |
356 | ||
357 | void wxPostScriptDC::DrawArc (long x1, long y1, long x2, long y2, long xc, long yc) | |
358 | { | |
359 | if (!m_pstream) | |
360 | return; | |
361 | ||
362 | long dx = x1 - xc; | |
363 | long dy = y1 - yc; | |
364 | long radius = (long) sqrt((double) (dx*dx+dy*dy)); | |
365 | double alpha1, alpha2; | |
366 | ||
367 | if (x1 == x2 && y1 == y2) { | |
368 | alpha1 = 0.0; | |
369 | alpha2 = 360.0; | |
370 | } else if (radius == 0.0) { | |
371 | alpha1 = alpha2 = 0.0; | |
372 | } else { | |
373 | alpha1 = (x1 - xc == 0) ? | |
374 | (y1 - yc < 0) ? 90.0 : -90.0 : | |
375 | -atan2(double(y1-yc), double(x1-xc)) * RAD2DEG; | |
376 | alpha2 = (x2 - xc == 0) ? | |
377 | (y2 - yc < 0) ? 90.0 : -90.0 : | |
378 | -atan2(double(y2-yc), double(x2-xc)) * RAD2DEG; | |
379 | } | |
380 | while (alpha1 <= 0) alpha1 += 360; | |
381 | while (alpha2 <= 0) alpha2 += 360; // adjust angles to be between | |
382 | while (alpha1 > 360) alpha1 -= 360; // 0 and 360 degree | |
383 | while (alpha2 > 360) alpha2 -= 360; | |
384 | ||
385 | if (m_brush.Ok() && m_brush.GetStyle() != wxTRANSPARENT) { | |
386 | SetBrush(m_brush); | |
387 | *m_pstream << "newpath\n" | |
388 | << xc << " " << YSCALE(yc) << " " | |
389 | << radius << " " << radius << " " | |
390 | << alpha1 << " " << alpha2 << " ellipse\n" | |
391 | << xc << " " << YSCALE(yc) << " lineto\n" | |
392 | << "closepath\n" | |
393 | << "fill\n"; | |
394 | } | |
395 | if (m_pen.Ok() && m_pen.GetStyle() != wxTRANSPARENT) { | |
396 | SetPen(m_pen); | |
397 | *m_pstream << "newpath\n" | |
398 | << xc << " " << YSCALE(yc) << " " | |
399 | << radius << " " << radius << " " | |
400 | << alpha1 << " " << alpha2 << " ellipse\n" | |
401 | << "stroke\n"; | |
402 | } | |
403 | CalcBoundingBox(x1, (long)YSCALE(y1)); | |
404 | CalcBoundingBox(x2, (long)YSCALE(y2)); | |
405 | } | |
406 | ||
407 | void wxPostScriptDC::DrawEllipticArc(long x,long y,long w,long h,double sa,double ea) | |
408 | { | |
409 | if (!m_pstream) | |
410 | return; | |
411 | ||
412 | if (sa>=360 || sa<=-360) sa=sa-int(sa/360)*360; | |
413 | if (ea>=360 || ea<=-360) ea=ea-int(ea/360)*360; | |
414 | if (sa<0) sa+=360; | |
415 | if (ea<0) ea+=360; | |
416 | if (sa==ea) | |
417 | { | |
418 | DrawEllipse(x,y,w,h); | |
419 | return; | |
420 | } | |
421 | ||
422 | if (m_brush.Ok() && m_brush.GetStyle () != wxTRANSPARENT) | |
423 | { | |
424 | SetBrush (m_brush); | |
425 | ||
426 | *m_pstream << | |
427 | "newpath\n" << | |
428 | (x+w/2) << " " << YSCALE (y+h/2) << " " << | |
429 | w/2 << " " << (h/2) << " " << | |
430 | int(sa) <<" "<< int(ea)<<" true ellipticarc\n"; | |
431 | ||
432 | CalcBoundingBox (x , (long)YSCALE (y )); | |
433 | CalcBoundingBox (x+w,(long)YSCALE(y+h)); | |
434 | } | |
435 | if (m_pen.Ok() && m_pen.GetStyle () != wxTRANSPARENT) | |
436 | { | |
437 | SetPen (m_pen); | |
438 | ||
439 | *m_pstream << | |
440 | "newpath\n" << | |
441 | (x+w/2) << " " << YSCALE (y+h/2) << " " << | |
442 | (w/2) << " " << (h/2) << " " << | |
443 | int(sa) <<" "<< int(ea)<<" false ellipticarc\n"; | |
444 | ||
445 | CalcBoundingBox (x , (long)YSCALE (y )); | |
446 | CalcBoundingBox (x+w,(long)YSCALE(y+h)); | |
447 | } | |
448 | } | |
449 | ||
450 | void wxPostScriptDC::DrawPoint (long x, long y) | |
451 | { | |
452 | if (!m_pstream) | |
453 | return; | |
454 | if (m_pen.Ok()) | |
455 | SetPen (m_pen); | |
456 | *m_pstream << "newpath\n"; | |
457 | *m_pstream << x << " " << YSCALE (y) << " moveto\n"; | |
458 | *m_pstream << (x+1) << " " << YSCALE (y) << " lineto\n"; | |
459 | *m_pstream << "stroke\n"; | |
460 | CalcBoundingBox (x, (long)YSCALE (y)); | |
461 | } | |
462 | ||
463 | void wxPostScriptDC::DrawPolygon (int n, wxPoint points[], long xoffset, long yoffset, int WXUNUSED(fillStyle)) | |
464 | { | |
465 | if (!m_pstream) | |
466 | return; | |
467 | if (n > 0) | |
468 | { | |
469 | if (m_brush.Ok() && m_brush.GetStyle () != wxTRANSPARENT) | |
470 | { | |
471 | SetBrush (m_brush); | |
472 | *m_pstream << "newpath\n"; | |
473 | ||
474 | long xx = points[0].x + xoffset; | |
475 | long yy = (long) YSCALE (points[0].y + yoffset); | |
476 | *m_pstream << xx << " " << yy << " moveto\n"; | |
477 | CalcBoundingBox (xx, yy); | |
478 | ||
479 | int i; | |
480 | for (i = 1; i < n; i++) | |
481 | { | |
482 | xx = points[i].x + xoffset; | |
483 | yy = (long) YSCALE (points[i].y + yoffset); | |
484 | *m_pstream << xx << " " << yy << " lineto\n"; | |
485 | CalcBoundingBox (xx, yy); | |
486 | } | |
487 | *m_pstream << "fill\n"; | |
488 | } | |
489 | ||
490 | if (m_pen.Ok() && m_pen.GetStyle () != wxTRANSPARENT) | |
491 | { | |
492 | SetPen (m_pen); | |
493 | *m_pstream << "newpath\n"; | |
494 | ||
495 | long xx = points[0].x + xoffset; | |
496 | long yy = (long) YSCALE (points[0].y + yoffset); | |
497 | *m_pstream << xx << " " << yy << " moveto\n"; | |
498 | CalcBoundingBox (xx, yy); | |
499 | ||
500 | int i; | |
501 | for (i = 1; i < n; i++) | |
502 | { | |
503 | xx = points[i].x + xoffset; | |
504 | yy = (long) YSCALE (points[i].y + yoffset); | |
505 | *m_pstream << xx << " " << yy << " lineto\n"; | |
506 | CalcBoundingBox (xx, yy); | |
507 | } | |
508 | ||
509 | // Close the polygon | |
510 | xx = points[0].x + xoffset; | |
511 | yy = (long) YSCALE (points[0].y + yoffset); | |
512 | *m_pstream << xx << " " << yy << " lineto\n"; | |
513 | ||
514 | // Output the line | |
515 | *m_pstream << "stroke\n"; | |
516 | } | |
517 | } | |
518 | } | |
519 | ||
520 | void wxPostScriptDC::DrawLines (int n, wxPoint points[], long xoffset, long yoffset) | |
521 | { | |
522 | if (!m_pstream) | |
523 | return; | |
524 | if (n > 0) | |
525 | { | |
526 | if (m_pen.Ok()) | |
527 | SetPen (m_pen); | |
528 | ||
529 | *m_pstream << "newpath\n"; | |
530 | ||
531 | long xx = points[0].x + xoffset; | |
532 | long yy = (long) YSCALE (points[0].y + yoffset); | |
533 | *m_pstream << xx << " " << yy << " moveto\n"; | |
534 | CalcBoundingBox (xx, yy); | |
535 | ||
536 | int i; | |
537 | for (i = 1; i < n; i++) | |
538 | { | |
539 | xx = points[i].x + xoffset; | |
540 | yy = (long) YSCALE (points[i].y + yoffset); | |
541 | *m_pstream << xx << " " << yy << " lineto\n"; | |
542 | CalcBoundingBox (xx, yy); | |
543 | } | |
544 | *m_pstream << "stroke\n"; | |
545 | } | |
546 | } | |
547 | ||
548 | void wxPostScriptDC::DrawRectangle (long x, long y, long width, long height) | |
549 | { | |
550 | if (!m_pstream) | |
551 | return; | |
552 | if (m_brush.Ok() && m_brush.GetStyle () != wxTRANSPARENT) | |
553 | { | |
554 | SetBrush (m_brush); | |
555 | ||
556 | *m_pstream << "newpath\n"; | |
557 | *m_pstream << x << " " << YSCALE (y) << " moveto\n"; | |
558 | *m_pstream << (x + width) << " " << YSCALE (y) << " lineto\n"; | |
559 | *m_pstream << (x + width) << " " << YSCALE (y + height) << " lineto\n"; | |
560 | *m_pstream << x << " " << YSCALE (y + height) << " lineto\n"; | |
561 | *m_pstream << "closepath\n"; | |
562 | *m_pstream << "fill\n"; | |
563 | ||
564 | CalcBoundingBox (x, (long)YSCALE (y)); | |
565 | CalcBoundingBox (x + width, (long)YSCALE (y + height)); | |
566 | } | |
567 | if (m_pen.Ok() && m_pen.GetStyle () != wxTRANSPARENT) | |
568 | { | |
569 | SetPen (m_pen); | |
570 | ||
571 | *m_pstream << "newpath\n"; | |
572 | *m_pstream << x << " " << YSCALE (y) << " moveto\n"; | |
573 | *m_pstream << (x + width) << " " << YSCALE (y) << " lineto\n"; | |
574 | *m_pstream << (x + width) << " " << YSCALE (y + height) << " lineto\n"; | |
575 | *m_pstream << x << " " << YSCALE (y + height) << " lineto\n"; | |
576 | *m_pstream << "closepath\n"; | |
577 | *m_pstream << "stroke\n"; | |
578 | ||
579 | CalcBoundingBox (x, (long)YSCALE (y)); | |
580 | CalcBoundingBox (x + width, (long)YSCALE (y + height)); | |
581 | } | |
582 | } | |
583 | ||
584 | void wxPostScriptDC::DrawRoundedRectangle (long x, long y, long width, long height, double radius) | |
585 | { | |
586 | if (!m_pstream) | |
587 | return; | |
588 | ||
589 | if (radius < 0.0) | |
590 | { | |
591 | // Now, a negative radius is interpreted to mean | |
592 | // 'the proportion of the smallest X or Y dimension' | |
593 | double smallest = 0.0; | |
594 | if (width < height) | |
595 | smallest = width; | |
596 | else | |
597 | smallest = height; | |
598 | radius = (-radius * smallest); | |
599 | } | |
600 | ||
601 | if (m_brush.Ok() && m_brush.GetStyle () != wxTRANSPARENT) | |
602 | { | |
603 | SetBrush (m_brush); | |
604 | // Draw rectangle anticlockwise | |
605 | *m_pstream << "newpath\n"; | |
606 | *m_pstream << (x + radius) << " " << YSCALE (y + radius) << " " << radius << " 90 180 arc\n"; | |
607 | ||
608 | *m_pstream << x << " " << YSCALE (y + radius) << " moveto\n"; | |
609 | ||
610 | *m_pstream << (x + radius) << " " << YSCALE (y + height - radius) << " " << radius << " 180 270 arc\n"; | |
611 | *m_pstream << (x + width - radius) << " " << YSCALE (y + height) << " lineto\n"; | |
612 | ||
613 | *m_pstream << (x + width - radius) << " " << YSCALE (y + height - radius) << " " << radius << " 270 0 arc\n"; | |
614 | *m_pstream << (x + width) << " " << YSCALE (y + radius) << " lineto\n"; | |
615 | ||
616 | *m_pstream << (x + width - radius) << " " << YSCALE (y + radius) << " " << radius << " 0 90 arc\n"; | |
617 | ||
618 | *m_pstream << (x + radius) << " " << YSCALE (y) << " lineto\n"; | |
619 | ||
620 | *m_pstream << "closepath\n"; | |
621 | ||
622 | *m_pstream << "fill\n"; | |
623 | ||
624 | CalcBoundingBox (x, (long)YSCALE (y)); | |
625 | CalcBoundingBox (x + width, (long)YSCALE (y + height)); | |
626 | } | |
627 | if (m_pen.Ok() && m_pen.GetStyle () != wxTRANSPARENT) | |
628 | { | |
629 | SetPen (m_pen); | |
630 | // Draw rectangle anticlockwise | |
631 | *m_pstream << "newpath\n"; | |
632 | *m_pstream << (x + radius) << " " << YSCALE (y + radius) << " " << radius << " 90 180 arc\n"; | |
633 | ||
634 | *m_pstream << x << " " << YSCALE (y + height - radius) << " lineto\n"; | |
635 | ||
636 | *m_pstream << (x + radius) << " " << YSCALE (y + height - radius) << " " << radius << " 180 270 arc\n"; | |
637 | *m_pstream << (x + width - radius) << " " << YSCALE (y + height) << " lineto\n"; | |
638 | ||
639 | *m_pstream << (x + width - radius) << " " << YSCALE (y + height - radius) << " " << radius << " 270 0 arc\n"; | |
640 | *m_pstream << (x + width) << " " << YSCALE (y + radius) << " lineto\n"; | |
641 | ||
642 | *m_pstream << (x + width - radius) << " " << YSCALE (y + radius) << " " << radius << " 0 90 arc\n"; | |
643 | ||
644 | *m_pstream << (x + radius) << " " << YSCALE (y) << " lineto\n"; | |
645 | ||
646 | *m_pstream << "closepath\n"; | |
647 | ||
648 | *m_pstream << "stroke\n"; | |
649 | ||
650 | CalcBoundingBox (x, (long)YSCALE (y)); | |
651 | CalcBoundingBox (x + width, (long)YSCALE (y + height)); | |
652 | } | |
653 | } | |
654 | ||
655 | void wxPostScriptDC::DrawEllipse (long x, long y, long width, long height) | |
656 | { | |
657 | if (!m_pstream) | |
658 | return; | |
659 | if (m_brush.Ok() && m_brush.GetStyle () != wxTRANSPARENT) | |
660 | { | |
661 | SetBrush (m_brush); | |
662 | ||
663 | *m_pstream << "newpath\n"; | |
664 | *m_pstream << (x + width / 2) << " " << YSCALE (y + height / 2) << " "; | |
665 | *m_pstream << (width / 2) << " " << (height / 2) << " 0 360 ellipse\n"; | |
666 | *m_pstream << "fill\n"; | |
667 | ||
668 | CalcBoundingBox (x - width, (long)YSCALE (y - height)); | |
669 | CalcBoundingBox (x + width, (long)YSCALE (y + height)); | |
670 | } | |
671 | if (m_pen.Ok() && m_pen.GetStyle () != wxTRANSPARENT) | |
672 | { | |
673 | SetPen (m_pen); | |
674 | ||
675 | *m_pstream << "newpath\n"; | |
676 | *m_pstream << (x + width / 2) << " " << YSCALE (y + height / 2) << " "; | |
677 | *m_pstream << (width / 2) << " " << (height / 2) << " 0 360 ellipse\n"; | |
678 | *m_pstream << "stroke\n"; | |
679 | ||
680 | CalcBoundingBox (x - width, (long)YSCALE (y - height)); | |
681 | CalcBoundingBox (x + width, (long)YSCALE (y + height)); | |
682 | } | |
683 | } | |
684 | ||
685 | void wxPostScriptDC::DrawIcon (const wxIcon& icon, long x, long y) | |
686 | { | |
687 | #if defined(__X__) || defined(__WXGTK__) | |
688 | wxMemoryDC memDC; | |
689 | memDC.SelectObject(icon); | |
690 | Blit(x, y, icon.GetWidth(), icon.GetHeight(), &memDC, 0, 0); | |
691 | #endif | |
692 | } | |
693 | ||
694 | void wxPostScriptDC::DrawBitmap( const wxBitmap& bitmap, long x, long y, bool useMask ) | |
695 | { | |
696 | } | |
697 | ||
698 | void wxPostScriptDC::SetFont (const wxFont& the_font) | |
699 | { | |
700 | if (!m_pstream) | |
701 | return; | |
702 | ||
703 | if (m_font == the_font) | |
704 | return; | |
705 | ||
706 | m_font = the_font; | |
707 | ||
708 | if ( !m_font.Ok() ) | |
709 | return; | |
710 | ||
711 | char buf[100]; | |
712 | const char *name; | |
713 | const char *style = ""; | |
714 | int Style = m_font.GetStyle (); | |
715 | int Weight = m_font.GetWeight (); | |
716 | ||
717 | switch (m_font.GetFamily ()) | |
718 | { | |
719 | case wxTELETYPE: | |
720 | case wxMODERN: | |
721 | name = "/Courier"; | |
722 | break; | |
723 | case wxSWISS: | |
724 | name = "/Helvetica"; | |
725 | break; | |
726 | case wxROMAN: | |
727 | // name = "/Times-Roman"; | |
728 | name = "/Times"; // Altered by EDZ | |
729 | break; | |
730 | case wxSCRIPT: | |
731 | name = "/Zapf-Chancery-MediumItalic"; | |
732 | Style = wxNORMAL; | |
733 | Weight = wxNORMAL; | |
734 | break; | |
735 | default: | |
736 | case wxDEFAULT: // Sans Serif Font | |
737 | name = "/LucidaSans"; | |
738 | } | |
739 | ||
740 | if (Style == wxNORMAL && (Weight == wxNORMAL || Weight == wxLIGHT)) | |
741 | { | |
742 | if (m_font.GetFamily () == wxROMAN) | |
743 | style = "-Roman"; | |
744 | else | |
745 | style = ""; | |
746 | } | |
747 | else if (Style == wxNORMAL && Weight == wxBOLD) | |
748 | style = "-Bold"; | |
749 | ||
750 | else if (Style == wxITALIC && (Weight == wxNORMAL || Weight == wxLIGHT)) | |
751 | { | |
752 | if (m_font.GetFamily () == wxROMAN) | |
753 | style = "-Italic"; | |
754 | else | |
755 | style = "-Oblique"; | |
756 | } | |
757 | else if (Style == wxITALIC && Weight == wxBOLD) | |
758 | { | |
759 | if (m_font.GetFamily () == wxROMAN) | |
760 | style = "-BoldItalic"; | |
761 | else | |
762 | style = "-BoldOblique"; | |
763 | } | |
764 | else if (Style == wxSLANT && (Weight == wxNORMAL || Weight == wxLIGHT)) | |
765 | { | |
766 | if (m_font.GetFamily () == wxROMAN) | |
767 | style = "-Italic"; | |
768 | else | |
769 | style = "-Oblique"; | |
770 | } | |
771 | else if (Style == wxSLANT && Weight == wxBOLD) | |
772 | { | |
773 | if (m_font.GetFamily () == wxROMAN) | |
774 | style = "-BoldItalic"; | |
775 | else | |
776 | style = "-BoldOblique"; | |
777 | } | |
778 | else | |
779 | style = ""; | |
780 | ||
781 | strcpy (buf, name); | |
782 | strcat (buf, style); | |
783 | *m_pstream << buf << " findfont\n"; | |
784 | *m_pstream << (m_font.GetPointSize() * m_scaleFactor) << " scalefont setfont\n"; | |
785 | } | |
786 | ||
787 | void wxPostScriptDC::SetPen (const wxPen& pen) | |
788 | { | |
789 | if (!m_pstream) | |
790 | return; | |
791 | ||
792 | int oldStyle = m_pen.GetStyle(); | |
793 | ||
794 | m_pen = pen; | |
795 | ||
796 | if (!m_pen.Ok()) | |
797 | return; | |
798 | ||
799 | // Line width | |
800 | *m_pstream << m_pen.GetWidth () << " setlinewidth\n"; | |
801 | ||
802 | // Line style - WRONG: 2nd arg is OFFSET | |
803 | /* | |
804 | Here, I'm afraid you do not conceive meaning of parameters of 'setdash' | |
805 | operator correctly. You should look-up this in the Red Book: the 2nd parame- | |
806 | ter is not number of values in the array of the first one, but an offset | |
807 | into this description of the pattern. I mean a real *offset* not index | |
808 | into array. I.e. If the command is [3 4] 1 setdash is used, then there | |
809 | will be first black line *2* units long, then space 4 units, then the | |
810 | pattern of *3* units black, 4 units space will be repeated. | |
811 | */ | |
812 | static const char *dotted = "[2 5] 2"; | |
813 | static const char *short_dashed = "[4 4] 2"; | |
814 | static const char *long_dashed = "[4 8] 2"; | |
815 | static const char *dotted_dashed = "[6 6 2 6] 4"; | |
816 | ||
817 | const char *psdash = (char *) NULL; | |
818 | switch (m_pen.GetStyle ()) | |
819 | { | |
820 | case wxDOT: | |
821 | psdash = dotted; | |
822 | break; | |
823 | case wxSHORT_DASH: | |
824 | psdash = short_dashed; | |
825 | break; | |
826 | case wxLONG_DASH: | |
827 | psdash = long_dashed; | |
828 | break; | |
829 | case wxDOT_DASH: | |
830 | psdash = dotted_dashed; | |
831 | break; | |
832 | case wxSOLID: | |
833 | case wxTRANSPARENT: | |
834 | default: | |
835 | psdash = "[] 0"; | |
836 | break; | |
837 | } | |
838 | if (oldStyle != m_pen.GetStyle()) | |
839 | *m_pstream << psdash << " setdash\n"; | |
840 | ||
841 | // Line colour | |
842 | unsigned char red = m_pen.GetColour ().Red (); | |
843 | unsigned char blue = m_pen.GetColour ().Blue (); | |
844 | unsigned char green = m_pen.GetColour ().Green (); | |
845 | ||
846 | if (!m_colour) | |
847 | { | |
848 | // Anything not white is black | |
849 | if (!(red == (unsigned char) 255 && blue == (unsigned char) 255 | |
850 | && green == (unsigned char) 255)) | |
851 | { | |
852 | red = (unsigned char) 0; | |
853 | green = (unsigned char) 0; | |
854 | blue = (unsigned char) 0; | |
855 | } | |
856 | } | |
857 | ||
858 | if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue)) | |
859 | { | |
860 | long redPS = (long) (((int) red) / 255.0); | |
861 | long bluePS = (long) (((int) blue) / 255.0); | |
862 | long greenPS = (long) (((int) green) / 255.0); | |
863 | ||
864 | *m_pstream << redPS << " " << greenPS << " " << bluePS << " setrgbcolor\n"; | |
865 | ||
866 | m_currentRed = red; | |
867 | m_currentBlue = blue; | |
868 | m_currentGreen = green; | |
869 | } | |
870 | } | |
871 | ||
872 | void wxPostScriptDC::SetBrush (const wxBrush& brush) | |
873 | { | |
874 | if (!m_pstream) | |
875 | return; | |
876 | ||
877 | m_brush = brush; | |
878 | ||
879 | if ( !m_brush.Ok() ) | |
880 | return; | |
881 | ||
882 | // Brush colour | |
883 | unsigned char red = m_brush.GetColour ().Red (); | |
884 | unsigned char blue = m_brush.GetColour ().Blue (); | |
885 | unsigned char green = m_brush.GetColour ().Green (); | |
886 | ||
887 | if (!m_colour) | |
888 | { | |
889 | // Anything not black is white | |
890 | if (!(red == (unsigned char) 0 && blue == (unsigned char) 0 | |
891 | && green == (unsigned char) 0)) | |
892 | { | |
893 | red = (unsigned char) 255; | |
894 | green = (unsigned char) 255; | |
895 | blue = (unsigned char) 255; | |
896 | } | |
897 | } | |
898 | ||
899 | if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue)) | |
900 | { | |
901 | long redPS = (long) (((int) red) / 255.0); | |
902 | long bluePS = (long) (((int) blue) / 255.0); | |
903 | long greenPS = (long) (((int) green) / 255.0); | |
904 | *m_pstream << redPS << " " << greenPS << " " << bluePS << " setrgbcolor\n"; | |
905 | m_currentRed = red; | |
906 | m_currentBlue = blue; | |
907 | m_currentGreen = green; | |
908 | } | |
909 | } | |
910 | ||
911 | void wxPostScriptDC::DrawText (const wxString& text, long x, long y, bool WXUNUSED(use16bit)) | |
912 | { | |
913 | if (!m_pstream) | |
914 | return; | |
915 | ||
916 | // TODO: SetFont checks for identity so this will always be a NULL operation | |
917 | if (m_font.Ok()) | |
918 | SetFont (m_font); | |
919 | ||
920 | if (m_textForegroundColour.Ok ()) | |
921 | { | |
922 | unsigned char red = m_textForegroundColour.Red (); | |
923 | unsigned char blue = m_textForegroundColour.Blue (); | |
924 | unsigned char green = m_textForegroundColour.Green (); | |
925 | ||
926 | if (!m_colour) | |
927 | { | |
928 | // Anything not white is black | |
929 | if (!(red == (unsigned char) 255 && blue == (unsigned char) 255 | |
930 | && green == (unsigned char) 255)) | |
931 | { | |
932 | red = (unsigned char) 0; | |
933 | green = (unsigned char) 0; | |
934 | blue = (unsigned char) 0; | |
935 | } | |
936 | } | |
937 | if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue)) | |
938 | { | |
939 | long redPS = (long) (((int) red) / 255.0); | |
940 | long bluePS = (long) (((int) blue) / 255.0); | |
941 | long greenPS = (long) (((int) green) / 255.0); | |
942 | *m_pstream << redPS << " " << greenPS << " " << bluePS << " setrgbcolor\n"; | |
943 | ||
944 | m_currentRed = red; | |
945 | m_currentBlue = blue; | |
946 | m_currentGreen = green; | |
947 | } | |
948 | } | |
949 | ||
950 | int size = 10; | |
951 | if (m_font.Ok()) | |
952 | size = m_font.GetPointSize (); | |
953 | ||
954 | *m_pstream << x << " " << YSCALE (y + size) << " moveto\n"; | |
955 | ||
956 | // *m_pstream << "(" << text << ")" << " show\n"; | |
957 | *m_pstream << "("; | |
958 | int len = strlen ((char *)(const char *)text); | |
959 | int i; | |
960 | for (i = 0; i < len; i++) | |
961 | { | |
962 | /* | |
963 | char ch = text[i]; | |
964 | if (ch == ')' || ch == '(' || ch == '\\') | |
965 | *m_pstream << "\\"; | |
966 | *m_pstream << ch; | |
967 | */ | |
968 | int c = (unsigned char) text[i]; | |
969 | if ( c == ')' || c == '(' || c == '\\') | |
970 | { | |
971 | *m_pstream << "\\" << (char) c; | |
972 | } | |
973 | else if ( c >= 128 ) | |
974 | { | |
975 | // Cope with character codes > 127 | |
976 | char tmp[5]; | |
977 | sprintf(tmp, "\\%o", c); | |
978 | *m_pstream << tmp; | |
979 | } | |
980 | else | |
981 | *m_pstream << (char) c; | |
982 | } | |
983 | ||
984 | *m_pstream << ")" << " show\n"; | |
985 | ||
986 | if (m_font.GetUnderlined()) | |
987 | { | |
988 | long w, h; | |
989 | GetTextExtent(text, &w, &h); | |
990 | *m_pstream << "gsave " << x << " " << YSCALE (y + size - UnderlinePosition) | |
991 | << " moveto\n" | |
992 | << UnderlineThickness << " setlinewidth " | |
993 | << (x + w) << " " << YSCALE (y + size - UnderlinePosition) | |
994 | << " lineto stroke grestore\n"; | |
995 | } | |
996 | ||
997 | CalcBoundingBox (x, (long)YSCALE (y + size)); | |
998 | CalcBoundingBox (x + size * strlen ((char *)(const char *)text), (long)YSCALE (y)); | |
999 | } | |
1000 | ||
1001 | ||
1002 | void wxPostScriptDC::SetBackground (const wxBrush& brush) | |
1003 | { | |
1004 | m_backgroundBrush = brush; | |
1005 | } | |
1006 | ||
1007 | void wxPostScriptDC::SetLogicalFunction (int WXUNUSED(function)) | |
1008 | { | |
1009 | } | |
1010 | ||
1011 | static const char *wxPostScriptHeaderEllipse = "\ | |
1012 | /ellipsedict 8 dict def\n\ | |
1013 | ellipsedict /mtrx matrix put\n\ | |
1014 | /ellipse\n\ | |
1015 | { ellipsedict begin\n\ | |
1016 | /endangle exch def\n\ | |
1017 | /startangle exch def\n\ | |
1018 | /yrad exch def\n\ | |
1019 | /xrad exch def\n\ | |
1020 | /y exch def\n\ | |
1021 | /x exch def\n\ | |
1022 | /savematrix mtrx currentmatrix def\n\ | |
1023 | x y translate\n\ | |
1024 | xrad yrad scale\n\ | |
1025 | 0 0 1 startangle endangle arc\n\ | |
1026 | savematrix setmatrix\n\ | |
1027 | end\n\ | |
1028 | } def\n\ | |
1029 | "; | |
1030 | ||
1031 | static const char *wxPostScriptHeaderEllipticArc= "\ | |
1032 | /ellipticarcdict 8 dict def\n\ | |
1033 | ellipticarcdict /mtrx matrix put\n\ | |
1034 | /ellipticarc\n\ | |
1035 | { ellipticarcdict begin\n\ | |
1036 | /do_fill exch def\n\ | |
1037 | /endangle exch def\n\ | |
1038 | /startangle exch def\n\ | |
1039 | /yrad exch def\n\ | |
1040 | /xrad exch def \n\ | |
1041 | /y exch def\n\ | |
1042 | /x exch def\n\ | |
1043 | /savematrix mtrx currentmatrix def\n\ | |
1044 | x y translate\n\ | |
1045 | xrad yrad scale\n\ | |
1046 | do_fill { 0 0 moveto } if\n\ | |
1047 | 0 0 1 startangle endangle arc\n\ | |
1048 | savematrix setmatrix\n\ | |
1049 | do_fill { fill }{ stroke } ifelse\n\ | |
1050 | end\n\ | |
1051 | } def\n"; | |
1052 | ||
1053 | bool wxPostScriptDC::StartDoc (const wxString& message) | |
1054 | { | |
1055 | if (m_filename == "") | |
1056 | { | |
1057 | #ifdef __VMS__ | |
1058 | m_filename = "wxtmp.ps"; | |
1059 | #else | |
1060 | m_filename = wxGetTempFileName("ps"); | |
1061 | #endif | |
1062 | wxThePrintSetupData->SetPrinterFile((char *)(const char *)m_filename); | |
1063 | m_ok = TRUE; | |
1064 | } | |
1065 | else | |
1066 | wxThePrintSetupData->SetPrinterFile((char *)(const char *)m_filename); | |
1067 | ||
1068 | #ifdef __VMS__ | |
1069 | // steve, 05.09.94 | |
1070 | // VMS is sh*t! | |
1071 | m_pstream = new ofstream; | |
1072 | if(fileBuffer) delete[] fileBuffer; | |
1073 | fileBuffer = new char[VMS_BUFSIZ]; | |
1074 | m_pstream->setbuf(fileBuffer,VMS_BUFSIZ); | |
1075 | m_pstream->open(wxThePrintSetupData->GetPrinterFile()); | |
1076 | #else | |
1077 | m_pstream = new ofstream (wxThePrintSetupData->GetPrinterFile()); | |
1078 | #endif | |
1079 | if (!m_pstream || !m_pstream->good()) | |
1080 | { | |
1081 | wxMessageBox (_("Cannot open file!"), _("Error"), wxOK); | |
1082 | m_ok = FALSE; | |
1083 | return FALSE; | |
1084 | } | |
1085 | m_ok = TRUE; | |
1086 | ||
1087 | SetBrush (*wxBLACK_BRUSH); | |
1088 | SetPen (*wxBLACK_PEN); | |
1089 | ||
1090 | wxPageNumber = 1; | |
1091 | m_title = message; | |
1092 | return TRUE; | |
1093 | } | |
1094 | ||
1095 | ||
1096 | void wxPostScriptDC::EndDoc () | |
1097 | { | |
1098 | static char wxPostScriptHeaderReencodeISO1[] = | |
1099 | "\n/reencodeISO {\n" | |
1100 | "dup dup findfont dup length dict begin\n" | |
1101 | "{ 1 index /FID ne { def }{ pop pop } ifelse } forall\n" | |
1102 | "/Encoding ISOLatin1Encoding def\n" | |
1103 | "currentdict end definefont\n" | |
1104 | "} def\n" | |
1105 | "/ISOLatin1Encoding [\n" | |
1106 | "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n" | |
1107 | "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n" | |
1108 | "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n" | |
1109 | "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n" | |
1110 | "/space/exclam/quotedbl/numbersign/dollar/percent/ampersand/quoteright\n" | |
1111 | "/parenleft/parenright/asterisk/plus/comma/minus/period/slash\n" | |
1112 | "/zero/one/two/three/four/five/six/seven/eight/nine/colon/semicolon\n" | |
1113 | "/less/equal/greater/question/at/A/B/C/D/E/F/G/H/I/J/K/L/M/N\n" | |
1114 | "/O/P/Q/R/S/T/U/V/W/X/Y/Z/bracketleft/backslash/bracketright\n" | |
1115 | "/asciicircum/underscore/quoteleft/a/b/c/d/e/f/g/h/i/j/k/l/m\n" | |
1116 | "/n/o/p/q/r/s/t/u/v/w/x/y/z/braceleft/bar/braceright/asciitilde\n" | |
1117 | "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n" | |
1118 | "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n" | |
1119 | "/.notdef/dotlessi/grave/acute/circumflex/tilde/macron/breve\n" | |
1120 | "/dotaccent/dieresis/.notdef/ring/cedilla/.notdef/hungarumlaut\n"; | |
1121 | ||
1122 | static char wxPostScriptHeaderReencodeISO2[] = | |
1123 | "/ogonek/caron/space/exclamdown/cent/sterling/currency/yen/brokenbar\n" | |
1124 | "/section/dieresis/copyright/ordfeminine/guillemotleft/logicalnot\n" | |
1125 | "/hyphen/registered/macron/degree/plusminus/twosuperior/threesuperior\n" | |
1126 | "/acute/mu/paragraph/periodcentered/cedilla/onesuperior/ordmasculine\n" | |
1127 | "/guillemotright/onequarter/onehalf/threequarters/questiondown\n" | |
1128 | "/Agrave/Aacute/Acircumflex/Atilde/Adieresis/Aring/AE/Ccedilla\n" | |
1129 | "/Egrave/Eacute/Ecircumflex/Edieresis/Igrave/Iacute/Icircumflex\n" | |
1130 | "/Idieresis/Eth/Ntilde/Ograve/Oacute/Ocircumflex/Otilde/Odieresis\n" | |
1131 | "/multiply/Oslash/Ugrave/Uacute/Ucircumflex/Udieresis/Yacute\n" | |
1132 | "/Thorn/germandbls/agrave/aacute/acircumflex/atilde/adieresis\n" | |
1133 | "/aring/ae/ccedilla/egrave/eacute/ecircumflex/edieresis/igrave\n" | |
1134 | "/iacute/icircumflex/idieresis/eth/ntilde/ograve/oacute/ocircumflex\n" | |
1135 | "/otilde/odieresis/divide/oslash/ugrave/uacute/ucircumflex/udieresis\n" | |
1136 | "/yacute/thorn/ydieresis\n" | |
1137 | "] def\n\n"; | |
1138 | ||
1139 | if (!m_pstream) | |
1140 | return; | |
1141 | if (m_clipping) | |
1142 | { | |
1143 | m_clipping = FALSE; | |
1144 | *m_pstream << "grestore\n"; | |
1145 | } | |
1146 | ||
1147 | // Will reuse m_pstream for header | |
1148 | #ifdef __VMS__ | |
1149 | // see the definition of fileBuffer for explanation | |
1150 | m_pstream->close(); // steve, 05.09.94 | |
1151 | if(fileBuffer) delete[] fileBuffer; | |
1152 | #endif | |
1153 | if (m_pstream) | |
1154 | { | |
1155 | delete m_pstream; | |
1156 | m_pstream = (ofstream *) NULL; | |
1157 | } | |
1158 | ||
1159 | // Write header now | |
1160 | // steve, 05.09.94 | |
1161 | #ifdef __VMS__ | |
1162 | char *header_file = "header.ps"; | |
1163 | #else | |
1164 | char *header_file = wxGetTempFileName("ps"); | |
1165 | #endif | |
1166 | m_pstream = new ofstream (header_file); | |
1167 | ||
1168 | *m_pstream << "%!PS-Adobe-2.0\n"; /* PostScript magic strings */ | |
1169 | *m_pstream << "%%Title: " << (const char *) m_title << "\n"; | |
1170 | *m_pstream << "%%Creator: " << wxTheApp->argv[0] << "\n"; | |
1171 | // time_t when; time (&when); | |
1172 | // *m_pstream << "%%CreationDate: " << ctime (&when); | |
1173 | *m_pstream << "%%CreationDate: " << wxNow() << "\n"; | |
1174 | ||
1175 | // User Id information | |
1176 | char userID[256]; | |
1177 | if ( wxGetEmailAddress(userID, sizeof(userID)) ) | |
1178 | { | |
1179 | *m_pstream << "%%For: " << (char *)userID; | |
1180 | char userName[245]; | |
1181 | if (wxGetUserName(userName, sizeof(userName))) | |
1182 | *m_pstream << " (" << (char *)userName << ")"; | |
1183 | *m_pstream << "\n"; | |
1184 | } | |
1185 | else if ( wxGetUserName(userID, sizeof(userID)) ) | |
1186 | { | |
1187 | *m_pstream << "%%For: " << (char *)userID << "\n"; | |
1188 | } | |
1189 | ||
1190 | // THE FOLLOWING HAS BEEN CONTRIBUTED BY Andy Fyfe <andy@hyperparallel.com> | |
1191 | ||
1192 | long wx_printer_translate_x, wx_printer_translate_y; | |
1193 | double wx_printer_scale_x, wx_printer_scale_y; | |
1194 | wxThePrintSetupData->GetPrinterTranslation(&wx_printer_translate_x, &wx_printer_translate_y); | |
1195 | wxThePrintSetupData->GetPrinterScaling(&wx_printer_scale_x, &wx_printer_scale_y); | |
1196 | ||
1197 | if (wxThePrintSetupData->GetPrinterOrientation() == PS_LANDSCAPE) | |
1198 | { | |
1199 | *m_pstream << "%%Orientation: Landscape\n"; | |
1200 | } | |
1201 | else | |
1202 | { | |
1203 | *m_pstream << "%%Orientation: Portrait\n"; | |
1204 | } | |
1205 | ||
1206 | // Compute the bounding box. Note that it is in the default user | |
1207 | // coordinate system, thus we have to convert the values. | |
1208 | long llx = (long) ((m_minX+wx_printer_translate_x)*wx_printer_scale_x); | |
1209 | long lly = (long) ((m_minY+wx_printer_translate_y)*wx_printer_scale_y); | |
1210 | long urx = (long) ((m_maxX+wx_printer_translate_x)*wx_printer_scale_x); | |
1211 | long ury = (long) ((m_maxY+wx_printer_translate_y)*wx_printer_scale_y); | |
1212 | ||
1213 | #if 0 | |
1214 | // If we're landscape, our sense of "x" and "y" is reversed. | |
1215 | if (wxThePrintSetupData->GetPrinterOrientation() == PS_LANDSCAPE) | |
1216 | { | |
1217 | double tmp; | |
1218 | tmp = llx; llx = lly; lly = tmp; | |
1219 | tmp = urx; urx = ury; ury = tmp; | |
1220 | ||
1221 | // We need either the two lines that follow, or we need to subtract | |
1222 | // min_x from real_translate_y, which is commented out below. | |
1223 | llx = llx - m_minX*wx_printer_scale_y; | |
1224 | urx = urx - m_minX*wx_printer_scale_y; | |
1225 | } | |
1226 | #endif | |
1227 | ||
1228 | // The Adobe specifications call for integers; we round as to make | |
1229 | // the bounding larger. | |
1230 | *m_pstream << "%%BoundingBox: " | |
1231 | << floor((double)llx) << " " << floor((double)lly) << " " | |
1232 | << ceil((double)urx) << " " << ceil((double)ury) << "\n"; | |
1233 | *m_pstream << "%%Pages: " << (wxPageNumber - 1) << "\n"; | |
1234 | *m_pstream << "%%EndComments\n\n"; | |
1235 | ||
1236 | // To check the correctness of the bounding box, postscript commands | |
1237 | // to draw a box corresponding to the bounding box are generated below. | |
1238 | // But since we typically don't want to print such a box, the postscript | |
1239 | // commands are generated within comments. These lines appear before any | |
1240 | // adjustment of scale, rotation, or translation, and hence are in the | |
1241 | // default user coordinates. | |
1242 | *m_pstream << "% newpath\n"; | |
1243 | *m_pstream << "% " << llx << " " << lly << " moveto\n"; | |
1244 | *m_pstream << "% " << urx << " " << lly << " lineto\n"; | |
1245 | *m_pstream << "% " << urx << " " << ury << " lineto\n"; | |
1246 | *m_pstream << "% " << llx << " " << ury << " lineto closepath stroke\n"; | |
1247 | ||
1248 | #if 0 | |
1249 | // Output scaling | |
1250 | long real_translate_y = wx_printer_translate_y; | |
1251 | if (wxThePrintSetupData->GetPrinterOrientation() == PS_LANDSCAPE) | |
1252 | { | |
1253 | real_translate_y -= m_maxY; | |
1254 | // The following line can be used instead of the adjustment to | |
1255 | // llx and urx above. | |
1256 | // real_translate_y -= m_minX; | |
1257 | *m_pstream << "90 rotate\n"; | |
1258 | } | |
1259 | ||
1260 | /* Probably don't want this now we have it in EndPage, below. | |
1261 | * We should rationalise the scaling code to one place. JACS, October 1995 | |
1262 | * Do we take the next 2 lines out or not? | |
1263 | */ | |
1264 | ||
1265 | *m_pstream << wx_printer_scale_x << " " << wx_printer_scale_y << " scale\n"; | |
1266 | *m_pstream << wx_printer_translate_x << " " << real_translate_y << " translate\n"; | |
1267 | #endif | |
1268 | ||
1269 | *m_pstream << "%%BeginProlog\n"; | |
1270 | *m_pstream << wxPostScriptHeaderEllipse; | |
1271 | *m_pstream << wxPostScriptHeaderEllipticArc; | |
1272 | *m_pstream << wxPostScriptHeaderReencodeISO1; | |
1273 | *m_pstream << wxPostScriptHeaderReencodeISO2; | |
1274 | ||
1275 | if (wxPostScriptHeaderSpline) | |
1276 | *m_pstream << wxPostScriptHeaderSpline; | |
1277 | *m_pstream << "%%EndProlog\n"; | |
1278 | ||
1279 | delete m_pstream; | |
1280 | m_pstream = (ofstream *) NULL; | |
1281 | ||
1282 | #ifdef __VMS__ | |
1283 | char *tmp_file = "tmp.ps"; | |
1284 | #else | |
1285 | char *tmp_file = wxGetTempFileName("ps"); | |
1286 | #endif | |
1287 | ||
1288 | // Paste header Before wx_printer_file | |
1289 | wxConcatFiles (header_file, wxThePrintSetupData->GetPrinterFile(), tmp_file); | |
1290 | wxRemoveFile (header_file); | |
1291 | wxRemoveFile (wxThePrintSetupData->GetPrinterFile()); | |
1292 | wxRenameFile(tmp_file, wxThePrintSetupData->GetPrinterFile()); | |
1293 | ||
1294 | #if defined(__X__) || defined(__WXGTK__) | |
1295 | if (m_ok) | |
1296 | { | |
1297 | switch (wxThePrintSetupData->GetPrinterMode()) { | |
1298 | case PS_PREVIEW: | |
1299 | { | |
1300 | char *argv[3]; | |
1301 | argv[0] = wxThePrintSetupData->GetPrintPreviewCommand(); | |
1302 | argv[1] = wxThePrintSetupData->GetPrinterFile(); | |
1303 | argv[2] = (char *) NULL; | |
1304 | wxExecute (argv, TRUE); | |
1305 | wxRemoveFile(wxThePrintSetupData->GetPrinterFile()); | |
1306 | } | |
1307 | break; | |
1308 | ||
1309 | case PS_PRINTER: | |
1310 | { | |
1311 | char *argv[4]; | |
1312 | int argc = 0; | |
1313 | argv[argc++] = wxThePrintSetupData->GetPrinterCommand(); | |
1314 | ||
1315 | // !SM! If we simply assign to argv[1] here, if printer options | |
1316 | // are blank, we get an annoying and confusing message from lpr. | |
1317 | char * opts = wxThePrintSetupData->GetPrinterOptions(); | |
1318 | if (opts && *opts) | |
1319 | argv[argc++] = opts; | |
1320 | ||
1321 | argv[argc++] = wxThePrintSetupData->GetPrinterFile(); | |
1322 | argv[argc++] = (char *) NULL; | |
1323 | wxExecute (argv, TRUE); | |
1324 | wxRemoveFile(wxThePrintSetupData->GetPrinterFile()); | |
1325 | } | |
1326 | break; | |
1327 | ||
1328 | case PS_FILE: | |
1329 | break; | |
1330 | } | |
1331 | } | |
1332 | #endif | |
1333 | } | |
1334 | ||
1335 | void wxPostScriptDC::StartPage () | |
1336 | { | |
1337 | if (!m_pstream) | |
1338 | return; | |
1339 | *m_pstream << "%%Page: " << (wxPageNumber++) << "\n"; | |
1340 | // *m_pstream << "matrix currentmatrix\n"; | |
1341 | ||
1342 | // Added by Chris Breeze | |
1343 | ||
1344 | // Each page starts with an "initgraphics" which resets the | |
1345 | // transformation and so we need to reset the origin | |
1346 | // (and rotate the page for landscape printing) | |
1347 | m_scaleFactor = 1.0; | |
1348 | m_logicalOriginX = 0; | |
1349 | m_logicalOriginY = 0; | |
1350 | ||
1351 | // Output scaling | |
1352 | long translate_x, translate_y; | |
1353 | double scale_x, scale_y; | |
1354 | wxThePrintSetupData->GetPrinterTranslation(&translate_x, &translate_y); | |
1355 | wxThePrintSetupData->GetPrinterScaling(&scale_x, &scale_y); | |
1356 | ||
1357 | if (wxThePrintSetupData->GetPrinterOrientation() == PS_LANDSCAPE) | |
1358 | { | |
1359 | translate_y -= GetYOrigin(); | |
1360 | *m_pstream << "90 rotate\n"; | |
1361 | } | |
1362 | ||
1363 | *m_pstream << scale_x << " " << scale_y << " scale\n"; | |
1364 | *m_pstream << translate_x << " " << translate_y << " translate\n"; | |
1365 | } | |
1366 | ||
1367 | void wxPostScriptDC::EndPage () | |
1368 | { | |
1369 | if (!m_pstream) | |
1370 | return; | |
1371 | *m_pstream << "showpage\n"; | |
1372 | ||
1373 | // Removed by Chris Breeze | |
1374 | #if 0 | |
1375 | *m_pstream << "setmatrix\n"; | |
1376 | ||
1377 | // THE FOLLOWING HAS BEEN CONTRIBUTED BY Andy Fyfe <andy@hyperparallel.com> | |
1378 | ||
1379 | long wx_printer_translate_x, wx_printer_translate_y; | |
1380 | double wx_printer_scale_x, wx_printer_scale_y; | |
1381 | wxThePrintSetupData->GetPrinterTranslation(&wx_printer_translate_x, &wx_printer_translate_y); | |
1382 | wxThePrintSetupData->GetPrinterScaling(&wx_printer_scale_x, &wx_printer_scale_y); | |
1383 | ||
1384 | // Compute the bounding box. Note that it is in the default user | |
1385 | // coordinate system, thus we have to convert the values. | |
1386 | long llx = (m_minX+wx_printer_translate_x)*wx_printer_scale_x; | |
1387 | long lly = (m_minY+wx_printer_translate_y)*wx_printer_scale_y; | |
1388 | long urx = (m_maxX+wx_printer_translate_x)*wx_printer_scale_x; | |
1389 | long ury = (m_maxY+wx_printer_translate_y)*wx_printer_scale_y; | |
1390 | ||
1391 | // If we're landscape, our sense of "x" and "y" is reversed. | |
1392 | if (wxThePrintSetupData->GetPrinterOrientation() == PS_LANDSCAPE) | |
1393 | { | |
1394 | long tmp; | |
1395 | tmp = llx; llx = lly; lly = tmp; | |
1396 | tmp = urx; urx = ury; ury = tmp; | |
1397 | ||
1398 | // We need either the two lines that follow, or we need to subtract | |
1399 | // m_minX from real_translate_y, which is commented out below. | |
1400 | llx = llx - m_minX*wx_printer_scale_y; | |
1401 | urx = urx - m_minX*wx_printer_scale_y; | |
1402 | } | |
1403 | ||
1404 | // Output scaling | |
1405 | long real_translate_y = wx_printer_translate_y; | |
1406 | if (wxThePrintSetupData->GetPrinterOrientation() == PS_LANDSCAPE) | |
1407 | { | |
1408 | real_translate_y -= m_maxY; | |
1409 | // The following line can be used instead of the adjustment to | |
1410 | // llx and urx above. | |
1411 | // real_translate_y -= m_minX; | |
1412 | *m_pstream << "90 rotate\n"; | |
1413 | } | |
1414 | ||
1415 | *m_pstream << wx_printer_scale_x << " " << wx_printer_scale_y << " scale\n"; | |
1416 | *m_pstream << wx_printer_translate_x << " " << real_translate_y << " translate\n"; | |
1417 | #endif | |
1418 | } | |
1419 | ||
1420 | bool wxPostScriptDC:: | |
1421 | Blit (long xdest, long ydest, long fwidth, long fheight, | |
1422 | wxDC *source, long xsrc, long ysrc, int WXUNUSED(rop), bool WXUNUSED(useMask)) | |
1423 | { | |
1424 | long width, height, x, y; | |
1425 | ||
1426 | #if !defined(__X__) && !defined(__WXGTK__) | |
1427 | return FALSE; | |
1428 | #endif | |
1429 | ||
1430 | if (!source->IsKindOf(CLASSINFO(wxPaintDC))) return FALSE; | |
1431 | ||
1432 | width = (long)floor((double)fwidth); | |
1433 | height = (long)floor((double)fheight); | |
1434 | x = (long)floor((double)xsrc); | |
1435 | y = (long)floor((double)ysrc); | |
1436 | ||
1437 | /* PostScript setup: */ | |
1438 | *m_pstream << "gsave\n"; | |
1439 | *m_pstream << xdest << " " << YSCALE(ydest + fheight) << " translate\n"; | |
1440 | *m_pstream << fwidth << " " << fheight << " scale\n"; | |
1441 | *m_pstream << "/DataString " << width << " string def\n"; | |
1442 | *m_pstream << width << " " << height << " 8 [ "; | |
1443 | *m_pstream << width << " 0 0 " << (-height) << " 0 " << height; | |
1444 | *m_pstream << " ]\n{\n"; | |
1445 | *m_pstream << " currentfile DataString readhexstring pop\n"; | |
1446 | *m_pstream << "} bind image\n"; | |
1447 | ||
1448 | #if defined(__X__) || defined(__WXGTK__) | |
1449 | ||
1450 | /* Output data as hex digits: */ | |
1451 | Display *d; | |
1452 | Colormap cm; | |
1453 | XImage *image; | |
1454 | long j, i; | |
1455 | char s[3]; | |
1456 | ||
1457 | #ifdef __WXGTK__ | |
1458 | ||
1459 | d = gdk_display; | |
1460 | cm = ((GdkColormapPrivate*)gdk_colormap_get_system())->xcolormap; | |
1461 | GdkWindow *gwin = ((wxClientDC*)source)->GetWindow(); | |
1462 | image = XGetImage(d, ((GdkWindowPrivate*)gwin)->xwindow, x, y, width, height, AllPlanes, ZPixmap); | |
1463 | ||
1464 | #else | |
1465 | ||
1466 | #ifdef __WXMOTIF__ | |
1467 | // TODO. for now, use global display | |
1468 | // d = source->display; | |
1469 | d = (Display*) wxGetDisplay(); | |
1470 | #else | |
1471 | d = (Display*) wxGetDisplay(); | |
1472 | #endif | |
1473 | ||
1474 | cm = (Colormap) wxTheApp->GetMainColormap((WXDisplay*) d); | |
1475 | // TODO - implement GetPixmap() and uncomment this line | |
1476 | // image = XGetImage(d, source->GetPixmap(), x, y, width, height, AllPlanes, ZPixmap); | |
1477 | ||
1478 | #endif | |
1479 | ||
1480 | ||
1481 | s[2] = 0; | |
1482 | ||
1483 | #define CM_CACHE_SIZE 256 | |
1484 | unsigned long cachesrc[CM_CACHE_SIZE]; | |
1485 | int cachedest[CM_CACHE_SIZE], cache_pos = 0, all_cache = FALSE; | |
1486 | ||
1487 | for (j = 0; j < height; j++) { | |
1488 | for (i = 0; i < width; i++) { | |
1489 | XColor xcol; | |
1490 | unsigned long spixel; | |
1491 | int pixel, k; | |
1492 | const unsigned short MAX_COLOR = 0xFFFF; | |
1493 | ||
1494 | spixel = XGetPixel(image, i, j); | |
1495 | ||
1496 | for (k = cache_pos; k--; ) | |
1497 | if (cachesrc[k] == spixel) { | |
1498 | pixel = cachedest[k]; | |
1499 | goto install; | |
1500 | } | |
1501 | if (all_cache) | |
1502 | for (k = CM_CACHE_SIZE; k-- > cache_pos; ) | |
1503 | if (cachesrc[k] == spixel) { | |
1504 | pixel = cachedest[k]; | |
1505 | goto install; | |
1506 | } | |
1507 | ||
1508 | cachesrc[cache_pos] = xcol.pixel = spixel; | |
1509 | XQueryColor(d, cm, &xcol); | |
1510 | ||
1511 | long r, g, b; | |
1512 | ||
1513 | r = (long)((double)(xcol.red) / MAX_COLOR); | |
1514 | g = (long)((double)(xcol.green) / MAX_COLOR); | |
1515 | b = (long)((double)(xcol.blue) / MAX_COLOR); | |
1516 | ||
1517 | pixel = (int)(255 * sqrt(((r * r) + (g * g) + (b * b)) / 3)); | |
1518 | ||
1519 | cachedest[cache_pos] = pixel; | |
1520 | ||
1521 | if (++cache_pos >= CM_CACHE_SIZE) { | |
1522 | cache_pos = 0; | |
1523 | all_cache = TRUE; | |
1524 | } | |
1525 | ||
1526 | install: | |
1527 | int h, l; | |
1528 | ||
1529 | h = (pixel >> 4) & 0xF; | |
1530 | l = pixel & 0xF; | |
1531 | ||
1532 | if (h <= 9) | |
1533 | s[0] = '0' + h; | |
1534 | else | |
1535 | s[0] = 'a' + (h - 10); | |
1536 | if (l <= 9) | |
1537 | s[1] = '0' + l; | |
1538 | else | |
1539 | s[1] = 'a' + (l - 10); | |
1540 | ||
1541 | *m_pstream << s; | |
1542 | } | |
1543 | *m_pstream << "\n"; | |
1544 | } | |
1545 | ||
1546 | XDestroyImage(image); | |
1547 | #endif | |
1548 | ||
1549 | *m_pstream << "grestore\n"; | |
1550 | ||
1551 | CalcBoundingBox(xdest, (long)YSCALE(ydest)); | |
1552 | CalcBoundingBox(xdest + fwidth, (long)YSCALE(ydest + fheight)); | |
1553 | ||
1554 | return TRUE; | |
1555 | } | |
1556 | ||
1557 | long wxPostScriptDC::GetCharHeight () | |
1558 | { | |
1559 | if (m_font.Ok()) | |
1560 | return m_font.GetPointSize (); | |
1561 | else | |
1562 | return 12; | |
1563 | } | |
1564 | ||
1565 | void wxPostScriptDC::GetTextExtent (const wxString& string, long *x, long *y, | |
1566 | long *descent, long *externalLeading, wxFont *theFont, | |
1567 | bool WXUNUSED(use16)) | |
1568 | { | |
1569 | wxFont *fontToUse = theFont; | |
1570 | if (!fontToUse) | |
1571 | fontToUse = (wxFont*) &m_font; | |
1572 | ||
1573 | if (!m_pstream) | |
1574 | return; | |
1575 | #if !USE_AFM_FOR_POSTSCRIPT | |
1576 | // Provide a VERY rough estimate (avoid using it) | |
1577 | // Chris Breeze 5/11/97: produces accurate results for mono-spaced | |
1578 | // font such as Courier (aka wxMODERN) | |
1579 | int height = 12; | |
1580 | if (fontToUse) | |
1581 | { | |
1582 | height = fontToUse->GetPointSize(); | |
1583 | } | |
1584 | *x = strlen (string) * height * 72 / 120; | |
1585 | *y = (long) (height * 1.32); // allow for descender | |
1586 | ||
1587 | if (descent) | |
1588 | *descent = 0; | |
1589 | if (externalLeading) | |
1590 | *externalLeading = 0; | |
1591 | #else | |
1592 | // +++++ start of contributed code +++++ | |
1593 | ||
1594 | // ************************************************************ | |
1595 | // method for calculating string widths in postscript: | |
1596 | // read in the AFM (adobe font metrics) file for the | |
1597 | // actual font, parse it and extract the character widths | |
1598 | // and also the descender. this may be improved, but for now | |
1599 | // it works well. the AFM file is only read in if the | |
1600 | // font is changed. this may be chached in the future. | |
1601 | // calls to GetTextExtent with the font unchanged are rather | |
1602 | // efficient!!! | |
1603 | // | |
1604 | // for each font and style used there is an AFM file necessary. | |
1605 | // currently i have only files for the roman font family. | |
1606 | // i try to get files for the other ones! | |
1607 | // | |
1608 | // CAVE: the size of the string is currently always calculated | |
1609 | // in 'points' (1/72 of an inch). this should later on be | |
1610 | // changed to depend on the mapping mode. | |
1611 | // CAVE: the path to the AFM files must be set before calling this | |
1612 | // function. this is usually done by a call like the following: | |
1613 | // wxSetAFMPath("d:\\wxw161\\afm\\"); | |
1614 | // | |
1615 | // example: | |
1616 | // | |
1617 | // wxPostScriptDC dc(NULL, TRUE); | |
1618 | // if (dc.Ok()){ | |
1619 | // wxSetAFMPath("d:\\wxw161\\afm\\"); | |
1620 | // dc.StartDoc("Test"); | |
1621 | // dc.StartPage(); | |
1622 | // long w,h; | |
1623 | // dc.SetFont(new wxFont(10, wxROMAN, wxNORMAL, wxNORMAL)); | |
1624 | // dc.GetTextExtent("Hallo",&w,&h); | |
1625 | // dc.EndPage(); | |
1626 | // dc.EndDoc(); | |
1627 | // } | |
1628 | // | |
1629 | // by steve (stefan.hammes@urz.uni-heidelberg.de) | |
1630 | // created: 10.09.94 | |
1631 | // updated: 14.05.95 | |
1632 | ||
1633 | assert(fontToUse && "void wxPostScriptDC::GetTextExtent: no font defined"); | |
1634 | assert(x && "void wxPostScriptDC::GetTextExtent: x == NULL"); | |
1635 | assert(y && "void wxPostScriptDC::GetTextExtent: y == NULL"); | |
1636 | ||
1637 | // these static vars are for storing the state between calls | |
1638 | static int lastFamily= INT_MIN; | |
1639 | static int lastSize= INT_MIN; | |
1640 | static int lastStyle= INT_MIN; | |
1641 | static int lastWeight= INT_MIN; | |
1642 | static int lastDescender = INT_MIN; | |
1643 | static int lastWidths[256]; // widths of the characters | |
1644 | ||
1645 | // get actual parameters | |
1646 | const int Family = fontToUse->GetFamily(); | |
1647 | const int Size = fontToUse->GetPointSize(); | |
1648 | const int Style = fontToUse->GetStyle(); | |
1649 | const int Weight = fontToUse->GetWeight(); | |
1650 | ||
1651 | // if we have another font, read the font-metrics | |
1652 | if(Family!=lastFamily||Size!=lastSize||Style!=lastStyle||Weight!=lastWeight){ | |
1653 | // store actual values | |
1654 | lastFamily = Family; | |
1655 | lastSize = Size; | |
1656 | lastStyle = Style; | |
1657 | lastWeight = Weight; | |
1658 | ||
1659 | // read in new font metrics ************************************** | |
1660 | ||
1661 | // 1. construct filename ****************************************** | |
1662 | /* MATTHEW: [2] Use wxTheFontNameDirectory */ | |
1663 | const char *name; | |
1664 | ||
1665 | // Julian - we'll need to do this a different way now we've removed the | |
1666 | // font directory system. Must find Stefan's original code. | |
1667 | ||
1668 | name = wxTheFontNameDirectory->GetAFMName(Family, Weight, Style); | |
1669 | if (!name) | |
1670 | name = "unknown"; | |
1671 | ||
1672 | // get the directory of the AFM files | |
1673 | char afmName[256]; | |
1674 | afmName[0] = 0; | |
1675 | if (wxGetAFMPath()) | |
1676 | strcpy(afmName,wxGetAFMPath()); | |
1677 | ||
1678 | // 2. open and process the file ********************************** | |
1679 | ||
1680 | // a short explanation of the AFM format: | |
1681 | // we have for each character a line, which gives its size | |
1682 | // e.g.: | |
1683 | // | |
1684 | // C 63 ; WX 444 ; N question ; B 49 -14 395 676 ; | |
1685 | // | |
1686 | // that means, we have a character with ascii code 63, and width | |
1687 | // (444/1000 * fontSize) points. | |
1688 | // the other data is ignored for now! | |
1689 | // | |
1690 | // when the font has changed, we read in the right AFM file and store the | |
1691 | // character widths in an array, which is processed below (see point 3.). | |
1692 | ||
1693 | // new elements JC Sun Aug 25 23:21:44 MET DST 1996 | |
1694 | ||
1695 | ||
1696 | strcat(afmName,name); | |
1697 | strcat(afmName,".afm"); | |
1698 | FILE *afmFile = fopen(afmName,"r"); | |
1699 | if(afmFile==NULL){ | |
1700 | wxDebugMsg("GetTextExtent: can't open AFM file '%s'\n",afmName); | |
1701 | wxDebugMsg(" using approximate values\n"); | |
1702 | int i; | |
1703 | for (i=0; i<256; i++) lastWidths[i] = 500; // an approximate value | |
1704 | lastDescender = -150; // dito. | |
1705 | }else{ | |
1706 | int i; | |
1707 | // init the widths array | |
1708 | for(i=0; i<256; i++) lastWidths[i]= INT_MIN; | |
1709 | // some variables for holding parts of a line | |
1710 | char cString[10],semiString[10],WXString[10],descString[20]; | |
1711 | char upString[30], utString[30], encString[50]; | |
1712 | char line[256]; | |
1713 | int ascii,cWidth; | |
1714 | // read in the file and parse it | |
1715 | while(fgets(line,sizeof(line),afmFile)!=NULL){ | |
1716 | // A.) check for descender definition | |
1717 | if(strncmp(line,"Descender",9)==0){ | |
1718 | if((sscanf(line,"%s%d",descString,&lastDescender)!=2) | |
1719 | || (strcmp(descString,"Descender")!=0)) { | |
1720 | wxDebugMsg("AFM-file '%s': line '%s' has error (bad descender)\n", | |
1721 | afmName,line); | |
1722 | } | |
1723 | } | |
1724 | // JC 1.) check for UnderlinePosition | |
1725 | else if(strncmp(line,"UnderlinePosition",17)==0){ | |
1726 | if((sscanf(line,"%s%lf",upString,&UnderlinePosition)!=2) | |
1727 | || (strcmp(upString,"UnderlinePosition")!=0)) { | |
1728 | wxDebugMsg("AFM-file '%s': line '%s' has error (bad UnderlinePosition)\n", | |
1729 | afmName,line); | |
1730 | } | |
1731 | } | |
1732 | // JC 2.) check for UnderlineThickness | |
1733 | else if(strncmp(line,"UnderlineThickness",18)==0){ | |
1734 | if((sscanf(line,"%s%lf",utString,&UnderlineThickness)!=2) | |
1735 | || (strcmp(utString,"UnderlineThickness")!=0)) { | |
1736 | wxDebugMsg("AFM-file '%s': line '%s' has error (bad UnderlineThickness)\n", | |
1737 | afmName,line); | |
1738 | } | |
1739 | } | |
1740 | // JC 3.) check for EncodingScheme | |
1741 | else if(strncmp(line,"EncodingScheme",14)==0){ | |
1742 | if((sscanf(line,"%s%s",utString,encString)!=2) | |
1743 | || (strcmp(utString,"EncodingScheme")!=0)) { | |
1744 | wxDebugMsg("AFM-file '%s': line '%s' has error (bad EncodingScheme)\n", | |
1745 | afmName,line); | |
1746 | } | |
1747 | else if (strncmp(encString, "AdobeStandardEncoding", 21)) | |
1748 | { | |
1749 | wxDebugMsg("AFM-file '%s': line '%s' has error (unsupported EncodingScheme %s)\n", | |
1750 | afmName,line, encString); | |
1751 | } | |
1752 | } | |
1753 | // B.) check for char-width | |
1754 | else if(strncmp(line,"C ",2)==0){ | |
1755 | if(sscanf(line,"%s%d%s%s%d", | |
1756 | cString,&ascii,semiString,WXString,&cWidth)!=5){ | |
1757 | wxDebugMsg("AFM-file '%s': line '%s' has an error (bad character width)\n",afmName,line); | |
1758 | } | |
1759 | if(strcmp(cString,"C")!=0 || strcmp(semiString,";")!=0 || | |
1760 | strcmp(WXString,"WX")!=0){ | |
1761 | wxDebugMsg("AFM-file '%s': line '%s' has a format error\n",afmName,line); | |
1762 | } | |
1763 | //printf(" char '%c'=%d has width '%d'\n",ascii,ascii,cWidth); | |
1764 | if(ascii>=0 && ascii<256){ | |
1765 | lastWidths[ascii] = cWidth; // store width | |
1766 | }else{ | |
1767 | /* MATTHEW: this happens a lot; don't print an error */ | |
1768 | // wxDebugMsg("AFM-file '%s': ASCII value %d out of range\n",afmName,ascii); | |
1769 | } | |
1770 | } | |
1771 | // C.) ignore other entries. | |
1772 | } | |
1773 | fclose(afmFile); | |
1774 | } | |
1775 | // hack to compute correct values for german 'Umlaute' | |
1776 | // the correct way would be to map the character names | |
1777 | // like 'adieresis' to corresp. positions of ISOEnc and read | |
1778 | // these values from AFM files, too. Maybe later ... | |
1779 |