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Applied patch [ 1427626 ] Fix wxFileConfig so that it still works after DeleteAll()
[wxWidgets.git] / src / generic / dcpsg.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/generic/dcpsg.cpp
3 // Purpose: Generic wxPostScriptDC implementation
4 // Author: Julian Smart, Robert Roebling, Markus Holzhem
5 // Modified by:
6 // Created: 04/01/98
7 // RCS-ID: $Id$
8 // Copyright: (c) Julian Smart
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 #include "wx/wxprec.h"
13
14 #ifdef __BORLANDC__
15 #pragma hdrstop
16 #endif
17
18 #ifndef WX_PRECOMP
19 #endif // WX_PRECOMP
20
21 #if wxUSE_PRINTING_ARCHITECTURE
22
23 #if wxUSE_POSTSCRIPT
24
25 #include "wx/dcmemory.h"
26 #include "wx/utils.h"
27 #include "wx/intl.h"
28 #include "wx/app.h"
29 #include "wx/image.h"
30 #include "wx/log.h"
31 #include "wx/generic/dcpsg.h"
32 #include "wx/prntbase.h"
33 #include "wx/generic/prntdlgg.h"
34 #include "wx/paper.h"
35 #include "wx/filefn.h"
36 #include "wx/math.h"
37 #include "wx/stdpaths.h"
38
39 #ifdef __WXMSW__
40
41 #ifdef DrawText
42 #undef DrawText
43 #endif
44
45 #ifdef StartDoc
46 #undef StartDoc
47 #endif
48
49 #ifdef GetCharWidth
50 #undef GetCharWidth
51 #endif
52
53 #ifdef FindWindow
54 #undef FindWindow
55 #endif
56
57 #endif
58
59 //-----------------------------------------------------------------------------
60 // start and end of document/page
61 //-----------------------------------------------------------------------------
62
63 static const char *wxPostScriptHeaderConicTo = "\
64 /conicto {\n\
65 /to_y exch def\n\
66 /to_x exch def\n\
67 /conic_cntrl_y exch def\n\
68 /conic_cntrl_x exch def\n\
69 currentpoint\n\
70 /p0_y exch def\n\
71 /p0_x exch def\n\
72 /p1_x p0_x conic_cntrl_x p0_x sub 2 3 div mul add def\n\
73 /p1_y p0_y conic_cntrl_y p0_y sub 2 3 div mul add def\n\
74 /p2_x p1_x to_x p0_x sub 1 3 div mul add def\n\
75 /p2_y p1_y to_y p0_y sub 1 3 div mul add def\n\
76 p1_x p1_y p2_x p2_y to_x to_y curveto\n\
77 } bind def\n\
78 ";
79
80 static const char *wxPostScriptHeaderEllipse = "\
81 /ellipsedict 8 dict def\n\
82 ellipsedict /mtrx matrix put\n\
83 /ellipse {\n\
84 ellipsedict begin\n\
85 /endangle exch def\n\
86 /startangle exch def\n\
87 /yrad exch def\n\
88 /xrad exch def\n\
89 /y exch def\n\
90 /x exch def\n\
91 /savematrix mtrx currentmatrix def\n\
92 x y translate\n\
93 xrad yrad scale\n\
94 0 0 1 startangle endangle arc\n\
95 savematrix setmatrix\n\
96 end\n\
97 } def\n\
98 ";
99
100 static const char *wxPostScriptHeaderEllipticArc= "\
101 /ellipticarcdict 8 dict def\n\
102 ellipticarcdict /mtrx matrix put\n\
103 /ellipticarc\n\
104 { ellipticarcdict begin\n\
105 /do_fill exch def\n\
106 /endangle exch def\n\
107 /startangle exch def\n\
108 /yrad exch def\n\
109 /xrad exch def \n\
110 /y exch def\n\
111 /x exch def\n\
112 /savematrix mtrx currentmatrix def\n\
113 x y translate\n\
114 xrad yrad scale\n\
115 do_fill { 0 0 moveto } if\n\
116 0 0 1 startangle endangle arc\n\
117 savematrix setmatrix\n\
118 do_fill { fill }{ stroke } ifelse\n\
119 end\n\
120 } def\n";
121
122 static const char *wxPostScriptHeaderSpline = "\
123 /DrawSplineSection {\n\
124 /y3 exch def\n\
125 /x3 exch def\n\
126 /y2 exch def\n\
127 /x2 exch def\n\
128 /y1 exch def\n\
129 /x1 exch def\n\
130 /xa x1 x2 x1 sub 0.666667 mul add def\n\
131 /ya y1 y2 y1 sub 0.666667 mul add def\n\
132 /xb x3 x2 x3 sub 0.666667 mul add def\n\
133 /yb y3 y2 y3 sub 0.666667 mul add def\n\
134 x1 y1 lineto\n\
135 xa ya xb yb x3 y3 curveto\n\
136 } def\n\
137 ";
138
139 static const char *wxPostScriptHeaderColourImage = "\
140 % define 'colorimage' if it isn't defined\n\
141 % ('colortogray' and 'mergeprocs' come from xwd2ps\n\
142 % via xgrab)\n\
143 /colorimage where % do we know about 'colorimage'?\n\
144 { pop } % yes: pop off the 'dict' returned\n\
145 { % no: define one\n\
146 /colortogray { % define an RGB->I function\n\
147 /rgbdata exch store % call input 'rgbdata'\n\
148 rgbdata length 3 idiv\n\
149 /npixls exch store\n\
150 /rgbindx 0 store\n\
151 0 1 npixls 1 sub {\n\
152 grays exch\n\
153 rgbdata rgbindx get 20 mul % Red\n\
154 rgbdata rgbindx 1 add get 32 mul % Green\n\
155 rgbdata rgbindx 2 add get 12 mul % Blue\n\
156 add add 64 idiv % I = .5G + .31R + .18B\n\
157 put\n\
158 /rgbindx rgbindx 3 add store\n\
159 } for\n\
160 grays 0 npixls getinterval\n\
161 } bind def\n\
162 \n\
163 % Utility procedure for colorimage operator.\n\
164 % This procedure takes two procedures off the\n\
165 % stack and merges them into a single procedure.\n\
166 \n\
167 /mergeprocs { % def\n\
168 dup length\n\
169 3 -1 roll\n\
170 dup\n\
171 length\n\
172 dup\n\
173 5 1 roll\n\
174 3 -1 roll\n\
175 add\n\
176 array cvx\n\
177 dup\n\
178 3 -1 roll\n\
179 0 exch\n\
180 putinterval\n\
181 dup\n\
182 4 2 roll\n\
183 putinterval\n\
184 } bind def\n\
185 \n\
186 /colorimage { % def\n\
187 pop pop % remove 'false 3' operands\n\
188 {colortogray} mergeprocs\n\
189 image\n\
190 } bind def\n\
191 } ifelse % end of 'false' case\n\
192 ";
193
194 static char wxPostScriptHeaderReencodeISO1[] =
195 "\n/reencodeISO {\n"
196 "dup dup findfont dup length dict begin\n"
197 "{ 1 index /FID ne { def }{ pop pop } ifelse } forall\n"
198 "/Encoding ISOLatin1Encoding def\n"
199 "currentdict end definefont\n"
200 "} def\n"
201 "/ISOLatin1Encoding [\n"
202 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
203 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
204 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
205 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
206 "/space/exclam/quotedbl/numbersign/dollar/percent/ampersand/quoteright\n"
207 "/parenleft/parenright/asterisk/plus/comma/minus/period/slash\n"
208 "/zero/one/two/three/four/five/six/seven/eight/nine/colon/semicolon\n"
209 "/less/equal/greater/question/at/A/B/C/D/E/F/G/H/I/J/K/L/M/N\n"
210 "/O/P/Q/R/S/T/U/V/W/X/Y/Z/bracketleft/backslash/bracketright\n"
211 "/asciicircum/underscore/quoteleft/a/b/c/d/e/f/g/h/i/j/k/l/m\n"
212 "/n/o/p/q/r/s/t/u/v/w/x/y/z/braceleft/bar/braceright/asciitilde\n"
213 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
214 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
215 "/.notdef/dotlessi/grave/acute/circumflex/tilde/macron/breve\n"
216 "/dotaccent/dieresis/.notdef/ring/cedilla/.notdef/hungarumlaut\n";
217
218 static char wxPostScriptHeaderReencodeISO2[] =
219 "/ogonek/caron/space/exclamdown/cent/sterling/currency/yen/brokenbar\n"
220 "/section/dieresis/copyright/ordfeminine/guillemotleft/logicalnot\n"
221 "/hyphen/registered/macron/degree/plusminus/twosuperior/threesuperior\n"
222 "/acute/mu/paragraph/periodcentered/cedilla/onesuperior/ordmasculine\n"
223 "/guillemotright/onequarter/onehalf/threequarters/questiondown\n"
224 "/Agrave/Aacute/Acircumflex/Atilde/Adieresis/Aring/AE/Ccedilla\n"
225 "/Egrave/Eacute/Ecircumflex/Edieresis/Igrave/Iacute/Icircumflex\n"
226 "/Idieresis/Eth/Ntilde/Ograve/Oacute/Ocircumflex/Otilde/Odieresis\n"
227 "/multiply/Oslash/Ugrave/Uacute/Ucircumflex/Udieresis/Yacute\n"
228 "/Thorn/germandbls/agrave/aacute/acircumflex/atilde/adieresis\n"
229 "/aring/ae/ccedilla/egrave/eacute/ecircumflex/edieresis/igrave\n"
230 "/iacute/icircumflex/idieresis/eth/ntilde/ograve/oacute/ocircumflex\n"
231 "/otilde/odieresis/divide/oslash/ugrave/uacute/ucircumflex/udieresis\n"
232 "/yacute/thorn/ydieresis\n"
233 "] def\n\n";
234
235 //-------------------------------------------------------------------------------
236 // wxPostScriptDC
237 //-------------------------------------------------------------------------------
238
239 IMPLEMENT_DYNAMIC_CLASS(wxPostScriptDC, wxDC)
240
241 float wxPostScriptDC::ms_PSScaleFactor = 1.0;
242
243 void wxPostScriptDC::SetResolution(int ppi)
244 {
245 ms_PSScaleFactor = (float)ppi / 72.0;
246 }
247
248 int wxPostScriptDC::GetResolution()
249 {
250 return (int)(ms_PSScaleFactor * 72.0);
251 }
252
253 //-------------------------------------------------------------------------------
254
255 wxPostScriptDC::wxPostScriptDC ()
256 {
257 m_pstream = (FILE*) NULL;
258
259 m_currentRed = 0;
260 m_currentGreen = 0;
261 m_currentBlue = 0;
262
263 m_pageNumber = 0;
264
265 m_clipping = false;
266
267 m_underlinePosition = 0.0;
268 m_underlineThickness = 0.0;
269
270 m_signX = 1; // default x-axis left to right
271 m_signY = -1; // default y-axis bottom up -> top down
272 }
273
274 wxPostScriptDC::wxPostScriptDC (const wxPrintData& printData)
275 {
276 m_pstream = (FILE*) NULL;
277
278 m_currentRed = 0;
279 m_currentGreen = 0;
280 m_currentBlue = 0;
281
282 m_pageNumber = 0;
283
284 m_clipping = false;
285
286 m_underlinePosition = 0.0;
287 m_underlineThickness = 0.0;
288
289 m_signX = 1; // default x-axis left to right
290 m_signY = -1; // default y-axis bottom up -> top down
291
292 m_printData = printData;
293
294 m_ok = true;
295 }
296
297 wxPostScriptDC::~wxPostScriptDC ()
298 {
299 if (m_pstream)
300 {
301 fclose( m_pstream );
302 m_pstream = (FILE*) NULL;
303 }
304 }
305
306 bool wxPostScriptDC::Ok() const
307 {
308 return m_ok;
309 }
310
311 void wxPostScriptDC::DoSetClippingRegion (wxCoord x, wxCoord y, wxCoord w, wxCoord h)
312 {
313 wxCHECK_RET( m_ok , wxT("invalid postscript dc") );
314
315 if (m_clipping) DestroyClippingRegion();
316
317 wxDC::DoSetClippingRegion(x, y, w, h);
318
319 m_clipping = true;
320
321 PsPrintf( wxT("gsave\n newpath\n")
322 wxT("%d %d moveto\n")
323 wxT("%d %d lineto\n")
324 wxT("%d %d lineto\n")
325 wxT("%d %d lineto\n")
326 wxT("closepath clip newpath\n"),
327 LogicalToDeviceX(x), LogicalToDeviceY(y),
328 LogicalToDeviceX(x+w), LogicalToDeviceY(y),
329 LogicalToDeviceX(x+w), LogicalToDeviceY(y+h),
330 LogicalToDeviceX(x), LogicalToDeviceY(y+h) );
331 }
332
333
334 void wxPostScriptDC::DestroyClippingRegion()
335 {
336 wxCHECK_RET( m_ok , wxT("invalid postscript dc") );
337
338 if (m_clipping)
339 {
340 m_clipping = false;
341 PsPrint( "grestore\n" );
342 }
343
344 wxDC::DestroyClippingRegion();
345 }
346
347 void wxPostScriptDC::Clear()
348 {
349 // This should fail silently to avoid unnecessary
350 // asserts
351 // wxFAIL_MSG( wxT("wxPostScriptDC::Clear not implemented.") );
352 }
353
354 bool wxPostScriptDC::DoFloodFill (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), const wxColour &WXUNUSED(col), int WXUNUSED(style))
355 {
356 wxFAIL_MSG( wxT("wxPostScriptDC::FloodFill not implemented.") );
357 return false;
358 }
359
360 bool wxPostScriptDC::DoGetPixel (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), wxColour * WXUNUSED(col)) const
361 {
362 wxFAIL_MSG( wxT("wxPostScriptDC::GetPixel not implemented.") );
363 return false;
364 }
365
366 void wxPostScriptDC::DoCrossHair (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y))
367 {
368 wxFAIL_MSG( wxT("wxPostScriptDC::CrossHair not implemented.") );
369 }
370
371 void wxPostScriptDC::DoDrawLine (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
372 {
373 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
374
375 if (m_pen.GetStyle() == wxTRANSPARENT) return;
376
377 SetPen( m_pen );
378
379 PsPrintf( wxT("newpath\n")
380 wxT("%d %d moveto\n")
381 wxT("%d %d lineto\n")
382 wxT("stroke\n"),
383 LogicalToDeviceX(x1), LogicalToDeviceY(y1),
384 LogicalToDeviceX(x2), LogicalToDeviceY (y2) );
385
386 CalcBoundingBox( x1, y1 );
387 CalcBoundingBox( x2, y2 );
388 }
389
390 #define RAD2DEG 57.29577951308
391
392 void wxPostScriptDC::DoDrawArc (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc)
393 {
394 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
395
396 wxCoord dx = x1 - xc;
397 wxCoord dy = y1 - yc;
398 wxCoord radius = (wxCoord) sqrt( (double)(dx*dx+dy*dy) );
399 double alpha1, alpha2;
400
401 if (x1 == x2 && y1 == y2)
402 {
403 alpha1 = 0.0;
404 alpha2 = 360.0;
405 }
406 else if ( wxIsNullDouble(radius) )
407 {
408 alpha1 =
409 alpha2 = 0.0;
410 }
411 else
412 {
413 alpha1 = (x1 - xc == 0) ?
414 (y1 - yc < 0) ? 90.0 : -90.0 :
415 -atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
416 alpha2 = (x2 - xc == 0) ?
417 (y2 - yc < 0) ? 90.0 : -90.0 :
418 -atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
419 }
420 while (alpha1 <= 0) alpha1 += 360;
421 while (alpha2 <= 0) alpha2 += 360; // adjust angles to be between
422 while (alpha1 > 360) alpha1 -= 360; // 0 and 360 degree
423 while (alpha2 > 360) alpha2 -= 360;
424
425 if (m_brush.GetStyle() != wxTRANSPARENT)
426 {
427 SetBrush( m_brush );
428
429 PsPrintf( wxT("newpath\n")
430 wxT("%d %d %d %d %d %d ellipse\n")
431 wxT("%d %d lineto\n")
432 wxT("closepath\n")
433 wxT("fill\n"),
434 LogicalToDeviceX(xc), LogicalToDeviceY(yc), LogicalToDeviceXRel(radius), LogicalToDeviceYRel(radius), (wxCoord)alpha1, (wxCoord) alpha2,
435 LogicalToDeviceX(xc), LogicalToDeviceY(yc) );
436
437 CalcBoundingBox( xc-radius, yc-radius );
438 CalcBoundingBox( xc+radius, yc+radius );
439 }
440
441 if (m_pen.GetStyle() != wxTRANSPARENT)
442 {
443 SetPen( m_pen );
444
445 PsPrintf( wxT("newpath\n")
446 wxT("%d %d %d %d %d %d ellipse\n")
447 wxT("%d %d lineto\n")
448 wxT("stroke\n")
449 wxT("fill\n"),
450 LogicalToDeviceX(xc), LogicalToDeviceY(yc), LogicalToDeviceXRel(radius), LogicalToDeviceYRel(radius), (wxCoord)alpha1, (wxCoord) alpha2,
451 LogicalToDeviceX(xc), LogicalToDeviceY(yc) );
452
453 CalcBoundingBox( xc-radius, yc-radius );
454 CalcBoundingBox( xc+radius, yc+radius );
455 }
456 }
457
458 void wxPostScriptDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
459 {
460 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
461
462 if ( sa >= 360 || sa <= -360 )
463 sa -= int(sa/360)*360;
464 if ( ea >= 360 || ea <=- 360 )
465 ea -= int(ea/360)*360;
466 if ( sa < 0 )
467 sa += 360;
468 if ( ea < 0 )
469 ea += 360;
470
471 if ( wxIsSameDouble(sa, ea) )
472 {
473 DrawEllipse(x,y,w,h);
474 return;
475 }
476
477 if (m_brush.GetStyle () != wxTRANSPARENT)
478 {
479 SetBrush( m_brush );
480
481 PsPrintf( wxT("newpath\n")
482 wxT("%d %d %d %d %d %d true ellipticarc\n"),
483 LogicalToDeviceX(x+w/2), LogicalToDeviceY(y+h/2),
484 LogicalToDeviceXRel(w/2), LogicalToDeviceYRel(h/2),
485 (wxCoord)sa, (wxCoord)ea );
486
487 CalcBoundingBox( x ,y );
488 CalcBoundingBox( x+w, y+h );
489 }
490
491 if (m_pen.GetStyle () != wxTRANSPARENT)
492 {
493 SetPen( m_pen );
494
495 PsPrintf( wxT("newpath\n")
496 wxT("%d %d %d %d %d %d false ellipticarc\n"),
497 LogicalToDeviceX(x+w/2), LogicalToDeviceY(y+h/2),
498 LogicalToDeviceXRel(w/2), LogicalToDeviceYRel(h/2),
499 (wxCoord)sa, (wxCoord)ea );
500
501 CalcBoundingBox( x ,y );
502 CalcBoundingBox( x+w, y+h );
503 }
504 }
505
506 void wxPostScriptDC::DoDrawPoint (wxCoord x, wxCoord y)
507 {
508 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
509
510 if (m_pen.GetStyle() == wxTRANSPARENT) return;
511
512 SetPen (m_pen);
513
514 PsPrintf( wxT("newpath\n")
515 wxT("%d %d moveto\n")
516 wxT("%d %d lineto\n")
517 wxT("stroke\n"),
518 LogicalToDeviceX(x), LogicalToDeviceY(y),
519 LogicalToDeviceX(x+1), LogicalToDeviceY(y) );
520
521 CalcBoundingBox( x, y );
522 }
523
524 void wxPostScriptDC::DoDrawPolygon (int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
525 {
526 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
527
528 if (n <= 0) return;
529
530 if (m_brush.GetStyle () != wxTRANSPARENT)
531 {
532 SetBrush( m_brush );
533
534 PsPrint( "newpath\n" );
535
536 wxCoord xx = LogicalToDeviceX(points[0].x + xoffset);
537 wxCoord yy = LogicalToDeviceY(points[0].y + yoffset);
538
539 PsPrintf( wxT("%d %d moveto\n"), xx, yy );
540
541 CalcBoundingBox( points[0].x + xoffset, points[0].y + yoffset );
542
543 for (int i = 1; i < n; i++)
544 {
545 xx = LogicalToDeviceX(points[i].x + xoffset);
546 yy = LogicalToDeviceY(points[i].y + yoffset);
547
548 PsPrintf( wxT("%d %d lineto\n"), xx, yy );
549
550 CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset);
551 }
552
553 PsPrint( (fillStyle == wxODDEVEN_RULE ? "eofill\n" : "fill\n") );
554 }
555
556 if (m_pen.GetStyle () != wxTRANSPARENT)
557 {
558 SetPen( m_pen );
559
560 PsPrint( "newpath\n" );
561
562 wxCoord xx = LogicalToDeviceX(points[0].x + xoffset);
563 wxCoord yy = LogicalToDeviceY(points[0].y + yoffset);
564
565 PsPrintf( wxT("%d %d moveto\n"), xx, yy );
566
567 CalcBoundingBox( points[0].x + xoffset, points[0].y + yoffset );
568
569 for (int i = 1; i < n; i++)
570 {
571 xx = LogicalToDeviceX(points[i].x + xoffset);
572 yy = LogicalToDeviceY(points[i].y + yoffset);
573
574 PsPrintf( wxT("%d %d lineto\n"), xx, yy );
575
576 CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset);
577 }
578
579 PsPrint( "closepath\n" );
580 PsPrint( "stroke\n" );
581 }
582 }
583
584 void wxPostScriptDC::DoDrawPolyPolygon (int n, int count[], wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
585 {
586 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
587
588 if (n <= 0) return;
589
590 if (m_brush.GetStyle () != wxTRANSPARENT)
591 {
592 SetBrush( m_brush );
593
594 PsPrint( "newpath\n" );
595
596 int ofs = 0;
597 for (int i = 0; i < n; ofs += count[i++])
598 {
599 wxCoord xx = LogicalToDeviceX(points[ofs].x + xoffset);
600 wxCoord yy = LogicalToDeviceY(points[ofs].y + yoffset);
601
602 PsPrintf( wxT("%d %d moveto\n"), xx, yy );
603
604 CalcBoundingBox( points[ofs].x + xoffset, points[ofs].y + yoffset );
605
606 for (int j = 1; j < count[i]; j++)
607 {
608 xx = LogicalToDeviceX(points[ofs+j].x + xoffset);
609 yy = LogicalToDeviceY(points[ofs+j].y + yoffset);
610
611 PsPrintf( wxT("%d %d lineto\n"), xx, yy );
612
613 CalcBoundingBox( points[ofs+j].x + xoffset, points[ofs+j].y + yoffset);
614 }
615 }
616 PsPrint( (fillStyle == wxODDEVEN_RULE ? "eofill\n" : "fill\n") );
617 }
618
619 if (m_pen.GetStyle () != wxTRANSPARENT)
620 {
621 SetPen( m_pen );
622
623 PsPrint( "newpath\n" );
624
625 int ofs = 0;
626 for (int i = 0; i < n; ofs += count[i++])
627 {
628 wxCoord xx = LogicalToDeviceX(points[ofs].x + xoffset);
629 wxCoord yy = LogicalToDeviceY(points[ofs].y + yoffset);
630
631 PsPrintf( wxT("%d %d moveto\n"), xx, yy );
632
633 CalcBoundingBox( points[ofs].x + xoffset, points[ofs].y + yoffset );
634
635 for (int j = 1; j < count[i]; j++)
636 {
637 xx = LogicalToDeviceX(points[ofs+j].x + xoffset);
638 yy = LogicalToDeviceY(points[ofs+j].y + yoffset);
639
640 PsPrintf( wxT("%d %d lineto\n"), xx, yy );
641
642 CalcBoundingBox( points[ofs+j].x + xoffset, points[ofs+j].y + yoffset);
643 }
644 }
645 PsPrint( "closepath\n" );
646 PsPrint( "stroke\n" );
647 }
648 }
649
650 void wxPostScriptDC::DoDrawLines (int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
651 {
652 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
653
654 if (m_pen.GetStyle() == wxTRANSPARENT) return;
655
656 if (n <= 0) return;
657
658 SetPen (m_pen);
659
660 int i;
661 for ( i =0; i<n ; i++ )
662 {
663 CalcBoundingBox( LogicalToDeviceX(points[i].x+xoffset), LogicalToDeviceY(points[i].y+yoffset));
664 }
665
666 PsPrintf( wxT("newpath\n")
667 wxT("%d %d moveto\n"),
668 LogicalToDeviceX(points[0].x+xoffset),
669 LogicalToDeviceY(points[0].y+yoffset) );
670
671 for (i = 1; i < n; i++)
672 {
673 PsPrintf( wxT("%d %d lineto\n"),
674 LogicalToDeviceX(points[i].x+xoffset),
675 LogicalToDeviceY(points[i].y+yoffset) );
676 }
677
678 PsPrint( "stroke\n" );
679 }
680
681 void wxPostScriptDC::DoDrawRectangle (wxCoord x, wxCoord y, wxCoord width, wxCoord height)
682 {
683 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
684
685 if (m_brush.GetStyle () != wxTRANSPARENT)
686 {
687 SetBrush( m_brush );
688
689 PsPrintf( wxT("newpath\n")
690 wxT("%d %d moveto\n")
691 wxT("%d %d lineto\n")
692 wxT("%d %d lineto\n")
693 wxT("%d %d lineto\n")
694 wxT("closepath\n")
695 wxT("fill\n"),
696 LogicalToDeviceX(x), LogicalToDeviceY(y),
697 LogicalToDeviceX(x + width), LogicalToDeviceY(y),
698 LogicalToDeviceX(x + width), LogicalToDeviceY(y + height),
699 LogicalToDeviceX(x), LogicalToDeviceY(y + height) );
700
701 CalcBoundingBox( x, y );
702 CalcBoundingBox( x + width, y + height );
703 }
704
705 if (m_pen.GetStyle () != wxTRANSPARENT)
706 {
707 SetPen (m_pen);
708
709 PsPrintf( wxT("newpath\n")
710 wxT("%d %d moveto\n")
711 wxT("%d %d lineto\n")
712 wxT("%d %d lineto\n")
713 wxT("%d %d lineto\n")
714 wxT("closepath\n")
715 wxT("stroke\n"),
716 LogicalToDeviceX(x), LogicalToDeviceY(y),
717 LogicalToDeviceX(x + width), LogicalToDeviceY(y),
718 LogicalToDeviceX(x + width), LogicalToDeviceY(y + height),
719 LogicalToDeviceX(x), LogicalToDeviceY(y + height) );
720
721 CalcBoundingBox( x, y );
722 CalcBoundingBox( x + width, y + height );
723 }
724 }
725
726 void wxPostScriptDC::DoDrawRoundedRectangle (wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
727 {
728 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
729
730 if (radius < 0.0)
731 {
732 // Now, a negative radius is interpreted to mean
733 // 'the proportion of the smallest X or Y dimension'
734 double smallest = width < height ? width : height;
735 radius = (-radius * smallest);
736 }
737
738 wxCoord rad = (wxCoord) radius;
739
740 if (m_brush.GetStyle () != wxTRANSPARENT)
741 {
742 SetBrush( m_brush );
743
744 /* Draw rectangle anticlockwise */
745 PsPrintf( wxT("newpath\n")
746 wxT("%d %d %d 90 180 arc\n")
747 wxT("%d %d lineto\n")
748 wxT("%d %d %d 180 270 arc\n")
749 wxT("%d %d lineto\n")
750 wxT("%d %d %d 270 0 arc\n")
751 wxT("%d %d lineto\n")
752 wxT("%d %d %d 0 90 arc\n")
753 wxT("%d %d lineto\n")
754 wxT("closepath\n")
755 wxT("fill\n"),
756 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
757 LogicalToDeviceX(x), LogicalToDeviceY(y + height - rad),
758 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
759 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height),
760 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
761 LogicalToDeviceX(x + width), LogicalToDeviceY(y + rad),
762 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
763 LogicalToDeviceX(x + rad), LogicalToDeviceY(y) );
764
765 CalcBoundingBox( x, y );
766 CalcBoundingBox( x + width, y + height );
767 }
768
769 if (m_pen.GetStyle () != wxTRANSPARENT)
770 {
771 SetPen (m_pen);
772
773 /* Draw rectangle anticlockwise */
774 PsPrintf( wxT("newpath\n")
775 wxT("%d %d %d 90 180 arc\n")
776 wxT("%d %d lineto\n")
777 wxT("%d %d %d 180 270 arc\n")
778 wxT("%d %d lineto\n")
779 wxT("%d %d %d 270 0 arc\n")
780 wxT("%d %d lineto\n")
781 wxT("%d %d %d 0 90 arc\n")
782 wxT("%d %d lineto\n")
783 wxT("closepath\n")
784 wxT("stroke\n"),
785 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
786 LogicalToDeviceX(x), LogicalToDeviceY(y + height - rad),
787 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
788 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height),
789 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
790 LogicalToDeviceX(x + width), LogicalToDeviceY(y + rad),
791 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
792 LogicalToDeviceX(x + rad), LogicalToDeviceY(y) );
793
794 CalcBoundingBox( x, y );
795 CalcBoundingBox( x + width, y + height );
796 }
797 }
798
799 void wxPostScriptDC::DoDrawEllipse (wxCoord x, wxCoord y, wxCoord width, wxCoord height)
800 {
801 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
802
803 if (m_brush.GetStyle () != wxTRANSPARENT)
804 {
805 SetBrush (m_brush);
806
807 PsPrintf( wxT("newpath\n")
808 wxT("%d %d %d %d 0 360 ellipse\n")
809 wxT("fill\n"),
810 LogicalToDeviceX(x + width / 2), LogicalToDeviceY(y + height / 2),
811 LogicalToDeviceXRel(width / 2), LogicalToDeviceYRel(height / 2) );
812
813 CalcBoundingBox( x - width, y - height );
814 CalcBoundingBox( x + width, y + height );
815 }
816
817 if (m_pen.GetStyle () != wxTRANSPARENT)
818 {
819 SetPen (m_pen);
820
821 PsPrintf( wxT("newpath\n")
822 wxT("%d %d %d %d 0 360 ellipse\n")
823 wxT("stroke\n"),
824 LogicalToDeviceX(x + width / 2), LogicalToDeviceY(y + height / 2),
825 LogicalToDeviceXRel(width / 2), LogicalToDeviceYRel(height / 2) );
826
827 CalcBoundingBox( x - width, y - height );
828 CalcBoundingBox( x + width, y + height );
829 }
830 }
831
832 void wxPostScriptDC::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
833 {
834 DrawBitmap( icon, x, y, true );
835 }
836
837 /* this has to be char, not wxChar */
838 static char hexArray[] = "0123456789ABCDEF";
839
840 void wxPostScriptDC::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool WXUNUSED(useMask) )
841 {
842 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
843
844 if (!bitmap.Ok()) return;
845
846 wxImage image = bitmap.ConvertToImage();
847
848 if (!image.Ok()) return;
849
850 wxCoord w = image.GetWidth();
851 wxCoord h = image.GetHeight();
852
853 wxCoord ww = LogicalToDeviceXRel(image.GetWidth());
854 wxCoord hh = LogicalToDeviceYRel(image.GetHeight());
855
856 wxCoord xx = LogicalToDeviceX(x);
857 wxCoord yy = LogicalToDeviceY(y + bitmap.GetHeight());
858
859 PsPrintf( wxT("/origstate save def\n")
860 wxT("20 dict begin\n")
861 wxT("/pix %d string def\n")
862 wxT("/grays %d string def\n")
863 wxT("/npixels 0 def\n")
864 wxT("/rgbindx 0 def\n")
865 wxT("%d %d translate\n")
866 wxT("%d %d scale\n")
867 wxT("%d %d 8\n")
868 wxT("[%d 0 0 %d 0 %d]\n")
869 wxT("{currentfile pix readhexstring pop}\n")
870 wxT("false 3 colorimage\n"),
871 w, w, xx, yy, ww, hh, w, h, w, -h, h );
872
873 unsigned char* data = image.GetData();
874
875 /* buffer = line = width*rgb(3)*hexa(2)+'\n'(1)+null(1) */
876 char* buffer = new char[ w*6+2 ];
877 int firstDigit, secondDigit;
878
879 //rows
880 for (int j = 0; j < h; j++)
881 {
882 char* bufferindex = buffer;
883
884 //cols
885 for (int i = 0; i < w*3; i++)
886 {
887 firstDigit = (int)(*data/16.0);
888 secondDigit = (int)(*data - (firstDigit*16.0));
889 *(bufferindex++) = hexArray[firstDigit];
890 *(bufferindex++) = hexArray[secondDigit];
891
892 data++;
893 }
894 *(bufferindex++) = '\n';
895 *bufferindex = 0;
896 PsPrint( buffer );
897 }
898
899 PsPrint( "end\n" );
900 PsPrint( "origstate restore\n" );
901 }
902
903 void wxPostScriptDC::SetFont( const wxFont& font )
904 {
905 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
906
907 if (!font.Ok()) return;
908
909 m_font = font;
910
911 int Style = m_font.GetStyle();
912 int Weight = m_font.GetWeight();
913
914 const char *name;
915 switch (m_font.GetFamily())
916 {
917 case wxTELETYPE:
918 case wxMODERN:
919 {
920 if (Style == wxITALIC)
921 {
922 if (Weight == wxBOLD)
923 name = "/Courier-BoldOblique";
924 else
925 name = "/Courier-Oblique";
926 }
927 else
928 {
929 if (Weight == wxBOLD)
930 name = "/Courier-Bold";
931 else
932 name = "/Courier";
933 }
934 break;
935 }
936 case wxROMAN:
937 {
938 if (Style == wxITALIC)
939 {
940 if (Weight == wxBOLD)
941 name = "/Times-BoldItalic";
942 else
943 name = "/Times-Italic";
944 }
945 else
946 {
947 if (Weight == wxBOLD)
948 name = "/Times-Bold";
949 else
950 name = "/Times-Roman";
951 }
952 break;
953 }
954 case wxSCRIPT:
955 {
956 name = "/ZapfChancery-MediumItalic";
957 break;
958 }
959 case wxSWISS:
960 default:
961 {
962 if (Style == wxITALIC)
963 {
964 if (Weight == wxBOLD)
965 name = "/Helvetica-BoldOblique";
966 else
967 name = "/Helvetica-Oblique";
968 }
969 else
970 {
971 if (Weight == wxBOLD)
972 name = "/Helvetica-Bold";
973 else
974 name = "/Helvetica";
975 }
976 break;
977 }
978 }
979
980 // We may legitimately call SetFont before BeginDoc
981 if (!m_pstream)
982 return;
983
984 PsPrint( name );
985 PsPrint( " reencodeISO def\n" );
986 PsPrint( name );
987 PsPrint( " findfont\n" );
988
989 char buffer[100];
990 sprintf( buffer, "%f scalefont setfont\n", LogicalToDeviceYRel(m_font.GetPointSize() * 1000) / 1000.0F);
991 // this is a hack - we must scale font size (in pts) according to m_scaleY but
992 // LogicalToDeviceYRel works with wxCoord type (int or longint). Se we first convert font size
993 // to 1/1000th of pt and then back.
994 for (int i = 0; i < 100; i++)
995 if (buffer[i] == ',') buffer[i] = '.';
996 PsPrint( buffer );
997 }
998
999 void wxPostScriptDC::SetPen( const wxPen& pen )
1000 {
1001 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1002
1003 if (!pen.Ok()) return;
1004
1005 int oldStyle = m_pen.GetStyle();
1006
1007 m_pen = pen;
1008
1009 char buffer[100];
1010 sprintf( buffer, "%f setlinewidth\n", LogicalToDeviceXRel(1000 * m_pen.GetWidth()) / 1000.0f );
1011 for (int i = 0; i < 100; i++)
1012 if (buffer[i] == ',') buffer[i] = '.';
1013 PsPrint( buffer );
1014
1015 /*
1016 Line style - WRONG: 2nd arg is OFFSET
1017
1018 Here, I'm afraid you do not conceive meaning of parameters of 'setdash'
1019 operator correctly. You should look-up this in the Red Book: the 2nd parame-
1020 ter is not number of values in the array of the first one, but an offset
1021 into this description of the pattern. I mean a real *offset* not index
1022 into array. I.e. If the command is [3 4] 1 setdash is used, then there
1023 will be first black line *2* units wxCoord, then space 4 units, then the
1024 pattern of *3* units black, 4 units space will be repeated.
1025 */
1026
1027 static const char *dotted = "[2 5] 2";
1028 static const char *short_dashed = "[4 4] 2";
1029 static const char *wxCoord_dashed = "[4 8] 2";
1030 static const char *dotted_dashed = "[6 6 2 6] 4";
1031
1032 const char *psdash;
1033
1034 switch (m_pen.GetStyle())
1035 {
1036 case wxDOT: psdash = dotted; break;
1037 case wxSHORT_DASH: psdash = short_dashed; break;
1038 case wxLONG_DASH: psdash = wxCoord_dashed; break;
1039 case wxDOT_DASH: psdash = dotted_dashed; break;
1040 case wxSOLID:
1041 case wxTRANSPARENT:
1042 default: psdash = "[] 0"; break;
1043 }
1044
1045 if ( (oldStyle != m_pen.GetStyle()) )
1046 {
1047 PsPrint( psdash );
1048 PsPrint( " setdash\n" );
1049 }
1050
1051 // Line colour
1052 unsigned char red = m_pen.GetColour().Red();
1053 unsigned char blue = m_pen.GetColour().Blue();
1054 unsigned char green = m_pen.GetColour().Green();
1055
1056 if (!m_colour)
1057 {
1058 // Anything not white is black
1059 if (! (red == (unsigned char) 255 &&
1060 blue == (unsigned char) 255 &&
1061 green == (unsigned char) 255) )
1062 {
1063 red = (unsigned char) 0;
1064 green = (unsigned char) 0;
1065 blue = (unsigned char) 0;
1066 }
1067 // setgray here ?
1068 }
1069
1070 if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1071 {
1072 double redPS = (double)(red) / 255.0;
1073 double bluePS = (double)(blue) / 255.0;
1074 double greenPS = (double)(green) / 255.0;
1075
1076 sprintf( buffer,
1077 "%.8f %.8f %.8f setrgbcolor\n",
1078 redPS, greenPS, bluePS );
1079 for (int i = 0; i < 100; i++)
1080 if (buffer[i] == ',') buffer[i] = '.';
1081
1082 PsPrint( buffer );
1083
1084 m_currentRed = red;
1085 m_currentBlue = blue;
1086 m_currentGreen = green;
1087 }
1088 }
1089
1090 void wxPostScriptDC::SetBrush( const wxBrush& brush )
1091 {
1092 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1093
1094 if (!brush.Ok()) return;
1095
1096 m_brush = brush;
1097
1098 // Brush colour
1099 unsigned char red = m_brush.GetColour().Red();
1100 unsigned char blue = m_brush.GetColour().Blue();
1101 unsigned char green = m_brush.GetColour().Green();
1102
1103 if (!m_colour)
1104 {
1105 // Anything not white is black
1106 if (! (red == (unsigned char) 255 &&
1107 blue == (unsigned char) 255 &&
1108 green == (unsigned char) 255) )
1109 {
1110 red = (unsigned char) 0;
1111 green = (unsigned char) 0;
1112 blue = (unsigned char) 0;
1113 }
1114 // setgray here ?
1115 }
1116
1117 if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1118 {
1119 double redPS = (double)(red) / 255.0;
1120 double bluePS = (double)(blue) / 255.0;
1121 double greenPS = (double)(green) / 255.0;
1122
1123 char buffer[100];
1124 sprintf( buffer,
1125 "%.8f %.8f %.8f setrgbcolor\n",
1126 redPS, greenPS, bluePS );
1127 for (int i = 0; i < 100; i++)
1128 if (buffer[i] == ',') buffer[i] = '.';
1129
1130 PsPrint( buffer );
1131
1132 m_currentRed = red;
1133 m_currentBlue = blue;
1134 m_currentGreen = green;
1135 }
1136 }
1137
1138 void wxPostScriptDC::DoDrawText( const wxString& text, wxCoord x, wxCoord y )
1139 {
1140 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1141
1142 if (m_textForegroundColour.Ok())
1143 {
1144 unsigned char red = m_textForegroundColour.Red();
1145 unsigned char blue = m_textForegroundColour.Blue();
1146 unsigned char green = m_textForegroundColour.Green();
1147
1148 if (!m_colour)
1149 {
1150 // Anything not white is black
1151 if (! (red == (unsigned char) 255 &&
1152 blue == (unsigned char) 255 &&
1153 green == (unsigned char) 255))
1154 {
1155 red = (unsigned char) 0;
1156 green = (unsigned char) 0;
1157 blue = (unsigned char) 0;
1158 }
1159 }
1160
1161 // maybe setgray here ?
1162 if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1163 {
1164 double redPS = (double)(red) / 255.0;
1165 double bluePS = (double)(blue) / 255.0;
1166 double greenPS = (double)(green) / 255.0;
1167
1168 char buffer[100];
1169 sprintf( buffer,
1170 "%.8f %.8f %.8f setrgbcolor\n",
1171 redPS, greenPS, bluePS );
1172 for (size_t i = 0; i < strlen(buffer); i++)
1173 if (buffer[i] == ',') buffer[i] = '.';
1174 PsPrint( buffer );
1175
1176 m_currentRed = red;
1177 m_currentBlue = blue;
1178 m_currentGreen = green;
1179 }
1180 }
1181
1182 wxCoord text_w, text_h, text_descent;
1183
1184 GetTextExtent(text, &text_w, &text_h, &text_descent);
1185
1186 // VZ: this seems to be unnecessary, so taking it out for now, if it
1187 // doesn't create any problems, remove this comment entirely
1188 //SetFont( m_font );
1189
1190
1191 int size = m_font.GetPointSize();
1192
1193 // wxCoord by = y + (wxCoord)floor( double(size) * 2.0 / 3.0 ); // approximate baseline
1194 // commented by V. Slavik and replaced by accurate version
1195 // - note that there is still rounding error in text_descent!
1196 wxCoord by = y + size - text_descent; // baseline
1197
1198 PsPrintf( wxT("%d %d moveto\n"), LogicalToDeviceX(x), LogicalToDeviceY(by) );
1199 PsPrint( "(" );
1200
1201 const wxWX2MBbuf textbuf = text.mb_str();
1202 size_t len = strlen(textbuf);
1203 size_t i;
1204 for (i = 0; i < len; i++)
1205 {
1206 int c = (unsigned char) textbuf[i];
1207 if (c == ')' || c == '(' || c == '\\')
1208 {
1209 /* Cope with special characters */
1210 PsPrint( "\\" );
1211 PsPrint(c);
1212 }
1213 else if ( c >= 128 )
1214 {
1215 /* Cope with character codes > 127 */
1216 PsPrintf( wxT("\\%o"), c);
1217 }
1218 else
1219 {
1220 PsPrint(c);
1221 }
1222 }
1223
1224 PsPrint( ") show\n" );
1225
1226 if (m_font.GetUnderlined())
1227 {
1228 wxCoord uy = (wxCoord)(y + size - m_underlinePosition);
1229 char buffer[100];
1230
1231 sprintf( buffer,
1232 "gsave\n"
1233 "%d %d moveto\n"
1234 "%f setlinewidth\n"
1235 "%d %d lineto\n"
1236 "stroke\n"
1237 "grestore\n",
1238 LogicalToDeviceX(x), LogicalToDeviceY(uy),
1239 m_underlineThickness,
1240 LogicalToDeviceX(x + text_w), LogicalToDeviceY(uy) );
1241 for (i = 0; i < 100; i++)
1242 if (buffer[i] == ',') buffer[i] = '.';
1243 PsPrint( buffer );
1244 }
1245
1246 CalcBoundingBox( x, y );
1247 CalcBoundingBox( x + size * text.Length() * 2/3 , y );
1248 }
1249
1250 void wxPostScriptDC::DoDrawRotatedText( const wxString& text, wxCoord x, wxCoord y, double angle )
1251 {
1252 if ( wxIsNullDouble(angle) )
1253 {
1254 DoDrawText(text, x, y);
1255 return;
1256 }
1257
1258 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1259
1260 SetFont( m_font );
1261
1262 if (m_textForegroundColour.Ok())
1263 {
1264 unsigned char red = m_textForegroundColour.Red();
1265 unsigned char blue = m_textForegroundColour.Blue();
1266 unsigned char green = m_textForegroundColour.Green();
1267
1268 if (!m_colour)
1269 {
1270 // Anything not white is black
1271 if (! (red == (unsigned char) 255 &&
1272 blue == (unsigned char) 255 &&
1273 green == (unsigned char) 255))
1274 {
1275 red = (unsigned char) 0;
1276 green = (unsigned char) 0;
1277 blue = (unsigned char) 0;
1278 }
1279 }
1280
1281 // maybe setgray here ?
1282 if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1283 {
1284 double redPS = (double)(red) / 255.0;
1285 double bluePS = (double)(blue) / 255.0;
1286 double greenPS = (double)(green) / 255.0;
1287
1288 char buffer[100];
1289 sprintf( buffer,
1290 "%.8f %.8f %.8f setrgbcolor\n",
1291 redPS, greenPS, bluePS );
1292 for (int i = 0; i < 100; i++)
1293 if (buffer[i] == ',') buffer[i] = '.';
1294 PsPrint( buffer );
1295
1296 m_currentRed = red;
1297 m_currentBlue = blue;
1298 m_currentGreen = green;
1299 }
1300 }
1301
1302 int size = m_font.GetPointSize();
1303
1304 PsPrintf( wxT("%d %d moveto\n"),
1305 LogicalToDeviceX(x), LogicalToDeviceY(y));
1306
1307 char buffer[100];
1308 sprintf(buffer, "%.8f rotate\n", angle);
1309 size_t i;
1310 for (i = 0; i < 100; i++)
1311 {
1312 if (buffer[i] == ',') buffer[i] = '.';
1313 }
1314 PsPrint( buffer);
1315
1316 PsPrint( "(" );
1317 const wxWX2MBbuf textbuf = text.mb_str();
1318 size_t len = strlen(textbuf);
1319 for (i = 0; i < len; i++)
1320 {
1321 int c = (unsigned char) textbuf[i];
1322 if (c == ')' || c == '(' || c == '\\')
1323 {
1324 /* Cope with special characters */
1325 PsPrint( "\\" );
1326 PsPrint(c);
1327 }
1328 else if ( c >= 128 )
1329 {
1330 /* Cope with character codes > 127 */
1331 PsPrintf( wxT("\\%o"), c);
1332 }
1333 else
1334 {
1335 PsPrint(c);
1336 }
1337 }
1338
1339 PsPrint( ") show\n" );
1340
1341 sprintf( buffer, "%.8f rotate\n", -angle );
1342 for (i = 0; i < 100; i++)
1343 {
1344 if (buffer[i] == ',') buffer[i] = '.';
1345 }
1346 PsPrint( buffer );
1347
1348 if (m_font.GetUnderlined())
1349 {
1350 wxCoord uy = (wxCoord)(y + size - m_underlinePosition);
1351 wxCoord w, h;
1352 GetTextExtent(text, &w, &h);
1353
1354 sprintf( buffer,
1355 "gsave\n"
1356 "%d %d moveto\n"
1357 "%f setlinewidth\n"
1358 "%d %d lineto\n"
1359 "stroke\n"
1360 "grestore\n",
1361 LogicalToDeviceX(x), LogicalToDeviceY(uy),
1362 m_underlineThickness,
1363 LogicalToDeviceX(x + w), LogicalToDeviceY(uy) );
1364 for (i = 0; i < 100; i++)
1365 {
1366 if (buffer[i] == ',') buffer[i] = '.';
1367 }
1368 PsPrint( buffer );
1369 }
1370
1371 CalcBoundingBox( x, y );
1372 CalcBoundingBox( x + size * text.Length() * 2/3 , y );
1373 }
1374
1375 void wxPostScriptDC::SetBackground (const wxBrush& brush)
1376 {
1377 m_backgroundBrush = brush;
1378 }
1379
1380 void wxPostScriptDC::SetLogicalFunction (int WXUNUSED(function))
1381 {
1382 wxFAIL_MSG( wxT("wxPostScriptDC::SetLogicalFunction not implemented.") );
1383 }
1384
1385 #if wxUSE_SPLINES
1386 void wxPostScriptDC::DoDrawSpline( wxList *points )
1387 {
1388 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1389
1390 SetPen( m_pen );
1391
1392 // a and b are not used
1393 //double a, b;
1394 double c, d, x1, y1, x2, y2, x3, y3;
1395 wxPoint *p, *q;
1396
1397 wxList::compatibility_iterator node = points->GetFirst();
1398 p = (wxPoint *)node->GetData();
1399 x1 = p->x;
1400 y1 = p->y;
1401
1402 node = node->GetNext();
1403 p = (wxPoint *)node->GetData();
1404 c = p->x;
1405 d = p->y;
1406 x3 =
1407 #if 0
1408 a =
1409 #endif
1410 (double)(x1 + c) / 2;
1411 y3 =
1412 #if 0
1413 b =
1414 #endif
1415 (double)(y1 + d) / 2;
1416
1417 PsPrintf( wxT("newpath\n")
1418 wxT("%d %d moveto\n")
1419 wxT("%d %d lineto\n"),
1420 LogicalToDeviceX((wxCoord)x1), LogicalToDeviceY((wxCoord)y1),
1421 LogicalToDeviceX((wxCoord)x3), LogicalToDeviceY((wxCoord)y3) );
1422
1423 CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1424 CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1425
1426 node = node->GetNext();
1427 while (node)
1428 {
1429 q = (wxPoint *)node->GetData();
1430
1431 x1 = x3;
1432 y1 = y3;
1433 x2 = c;
1434 y2 = d;
1435 c = q->x;
1436 d = q->y;
1437 x3 = (double)(x2 + c) / 2;
1438 y3 = (double)(y2 + d) / 2;
1439
1440 PsPrintf( wxT("%d %d %d %d %d %d DrawSplineSection\n"),
1441 LogicalToDeviceX((wxCoord)x1), LogicalToDeviceY((wxCoord)y1),
1442 LogicalToDeviceX((wxCoord)x2), LogicalToDeviceY((wxCoord)y2),
1443 LogicalToDeviceX((wxCoord)x3), LogicalToDeviceY((wxCoord)y3) );
1444
1445 CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1446 CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1447
1448 node = node->GetNext();
1449 }
1450
1451 /*
1452 At this point, (x2,y2) and (c,d) are the position of the
1453 next-to-last and last point respectively, in the point list
1454 */
1455
1456 PsPrintf( wxT("%d %d lineto\n")
1457 wxT("stroke\n"),
1458 LogicalToDeviceX((wxCoord)c), LogicalToDeviceY((wxCoord)d) );
1459 }
1460 #endif // wxUSE_SPLINES
1461
1462 wxCoord wxPostScriptDC::GetCharWidth() const
1463 {
1464 // Chris Breeze: reasonable approximation using wxMODERN/Courier
1465 return (wxCoord) (GetCharHeight() * 72.0 / 120.0);
1466 }
1467
1468
1469 void wxPostScriptDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
1470 {
1471 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1472
1473 m_signX = (xLeftRight ? 1 : -1);
1474 m_signY = (yBottomUp ? 1 : -1);
1475
1476 ComputeScaleAndOrigin();
1477 }
1478
1479 void wxPostScriptDC::SetDeviceOrigin( wxCoord x, wxCoord y )
1480 {
1481 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1482
1483 int h = 0;
1484 int w = 0;
1485 GetSize( &w, &h );
1486
1487 wxDC::SetDeviceOrigin( x, h-y );
1488 }
1489
1490 void wxPostScriptDC::DoGetSize(int* width, int* height) const
1491 {
1492 wxPaperSize id = m_printData.GetPaperId();
1493
1494 wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(id);
1495
1496 if (!paper) paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
1497
1498 int w = 595;
1499 int h = 842;
1500 if (paper)
1501 {
1502 w = paper->GetSizeDeviceUnits().x;
1503 h = paper->GetSizeDeviceUnits().y;
1504 }
1505
1506 if (m_printData.GetOrientation() == wxLANDSCAPE)
1507 {
1508 int tmp = w;
1509 w = h;
1510 h = tmp;
1511 }
1512
1513 if (width) *width = (int)(w * ms_PSScaleFactor);
1514 if (height) *height = (int)(h * ms_PSScaleFactor);
1515 }
1516
1517 void wxPostScriptDC::DoGetSizeMM(int *width, int *height) const
1518 {
1519 wxPaperSize id = m_printData.GetPaperId();
1520
1521 wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(id);
1522
1523 if (!paper) paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
1524
1525 int w = 210;
1526 int h = 297;
1527 if (paper)
1528 {
1529 w = paper->GetWidth() / 10;
1530 h = paper->GetHeight() / 10;
1531 }
1532
1533 if (m_printData.GetOrientation() == wxLANDSCAPE)
1534 {
1535 int tmp = w;
1536 w = h;
1537 h = tmp;
1538 }
1539
1540 if (width) *width = w;
1541 if (height) *height = h;
1542 }
1543
1544 // Resolution in pixels per logical inch
1545 wxSize wxPostScriptDC::GetPPI(void) const
1546 {
1547 return wxSize((int)(72 * ms_PSScaleFactor),
1548 (int)(72 * ms_PSScaleFactor));
1549 }
1550
1551
1552 bool wxPostScriptDC::StartDoc( const wxString& message )
1553 {
1554 wxCHECK_MSG( m_ok, false, wxT("invalid postscript dc") );
1555
1556 if (m_printData.GetPrintMode() != wxPRINT_MODE_STREAM )
1557 {
1558 if (m_printData.GetFilename() == wxEmptyString)
1559 {
1560 wxString filename = wxGetTempFileName( wxT("ps") );
1561 m_printData.SetFilename(filename);
1562 }
1563
1564 m_pstream = wxFopen( m_printData.GetFilename(), wxT("w+") );
1565
1566 if (!m_pstream)
1567 {
1568 wxLogError( _("Cannot open file for PostScript printing!"));
1569 m_ok = false;
1570 return false;
1571 }
1572 }
1573
1574 m_ok = true;
1575 m_title = message;
1576
1577 PsPrint( "%!PS-Adobe-2.0\n" );
1578 PsPrintf( wxT("%%%%Title: %s\n"), m_title.c_str() );
1579 PsPrint( "%%Creator: wxWidgets PostScript renderer\n" );
1580 PsPrintf( wxT("%%%%CreationDate: %s\n"), wxNow().c_str() );
1581 if (m_printData.GetOrientation() == wxLANDSCAPE)
1582 PsPrint( "%%Orientation: Landscape\n" );
1583 else
1584 PsPrint( "%%Orientation: Portrait\n" );
1585
1586 // PsPrintf( wxT("%%%%Pages: %d\n"), (wxPageNumber - 1) );
1587
1588 const wxChar *paper;
1589 switch (m_printData.GetPaperId())
1590 {
1591 case wxPAPER_LETTER: paper = wxT("Letter"); break; // Letter: paper ""; 8 1/2 by 11 inches
1592 case wxPAPER_LEGAL: paper = wxT("Legal"); break; // Legal, 8 1/2 by 14 inches
1593 case wxPAPER_A4: paper = wxT("A4"); break; // A4 Sheet, 210 by 297 millimeters
1594 case wxPAPER_TABLOID: paper = wxT("Tabloid"); break; // Tabloid, 11 by 17 inches
1595 case wxPAPER_LEDGER: paper = wxT("Ledger"); break; // Ledger, 17 by 11 inches
1596 case wxPAPER_STATEMENT: paper = wxT("Statement"); break; // Statement, 5 1/2 by 8 1/2 inches
1597 case wxPAPER_EXECUTIVE: paper = wxT("Executive"); break; // Executive, 7 1/4 by 10 1/2 inches
1598 case wxPAPER_A3: paper = wxT("A3"); break; // A3 sheet, 297 by 420 millimeters
1599 case wxPAPER_A5: paper = wxT("A5"); break; // A5 sheet, 148 by 210 millimeters
1600 case wxPAPER_B4: paper = wxT("B4"); break; // B4 sheet, 250 by 354 millimeters
1601 case wxPAPER_B5: paper = wxT("B5"); break; // B5 sheet, 182-by-257-millimeter paper
1602 case wxPAPER_FOLIO: paper = wxT("Folio"); break; // Folio, 8-1/2-by-13-inch paper
1603 case wxPAPER_QUARTO: paper = wxT("Quaro"); break; // Quarto, 215-by-275-millimeter paper
1604 case wxPAPER_10X14: paper = wxT("10x14"); break; // 10-by-14-inch sheet
1605 default: paper = wxT("A4");
1606 }
1607 PsPrintf( wxT("%%%%DocumentPaperSizes: %s\n"), paper );
1608 PsPrint( "%%EndComments\n\n" );
1609
1610 PsPrint( "%%BeginProlog\n" );
1611 PsPrint( wxPostScriptHeaderConicTo );
1612 PsPrint( wxPostScriptHeaderEllipse );
1613 PsPrint( wxPostScriptHeaderEllipticArc );
1614 PsPrint( wxPostScriptHeaderColourImage );
1615 PsPrint( wxPostScriptHeaderReencodeISO1 );
1616 PsPrint( wxPostScriptHeaderReencodeISO2 );
1617 if (wxPostScriptHeaderSpline)
1618 PsPrint( wxPostScriptHeaderSpline );
1619 PsPrint( "%%EndProlog\n" );
1620
1621 SetBrush( *wxBLACK_BRUSH );
1622 SetPen( *wxBLACK_PEN );
1623 SetBackground( *wxWHITE_BRUSH );
1624 SetTextForeground( *wxBLACK );
1625
1626 // set origin according to paper size
1627 SetDeviceOrigin( 0,0 );
1628
1629 wxPageNumber = 1;
1630 m_pageNumber = 1;
1631 return true;
1632 }
1633
1634 void wxPostScriptDC::EndDoc ()
1635 {
1636 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1637
1638 if (m_clipping)
1639 {
1640 m_clipping = false;
1641 PsPrint( "grestore\n" );
1642 }
1643
1644 if ( m_pstream ) {
1645 fclose( m_pstream );
1646 m_pstream = (FILE *) NULL;
1647 }
1648
1649 #if 0
1650 // THE FOLLOWING HAS BEEN CONTRIBUTED BY Andy Fyfe <andy@hyperparallel.com>
1651 wxCoord wx_printer_translate_x, wx_printer_translate_y;
1652 double wx_printer_scale_x, wx_printer_scale_y;
1653
1654 wx_printer_translate_x = (wxCoord)m_printData.GetPrinterTranslateX();
1655 wx_printer_translate_y = (wxCoord)m_printData.GetPrinterTranslateY();
1656
1657 wx_printer_scale_x = m_printData.GetPrinterScaleX();
1658 wx_printer_scale_y = m_printData.GetPrinterScaleY();
1659
1660 // Compute the bounding box. Note that it is in the default user
1661 // coordinate system, thus we have to convert the values.
1662 wxCoord minX = (wxCoord) LogicalToDeviceX(m_minX);
1663 wxCoord minY = (wxCoord) LogicalToDeviceY(m_minY);
1664 wxCoord maxX = (wxCoord) LogicalToDeviceX(m_maxX);
1665 wxCoord maxY = (wxCoord) LogicalToDeviceY(m_maxY);
1666
1667 // LOG2DEV may have changed the minimum to maximum vice versa
1668 if ( minX > maxX ) { wxCoord tmp = minX; minX = maxX; maxX = tmp; }
1669 if ( minY > maxY ) { wxCoord tmp = minY; minY = maxY; maxY = tmp; }
1670
1671 // account for used scaling (boundingbox is before scaling in ps-file)
1672 double scale_x = m_printData.GetPrinterScaleX() / ms_PSScaleFactor;
1673 double scale_y = m_printData.GetPrinterScaleY() / ms_PSScaleFactor;
1674
1675 wxCoord llx, lly, urx, ury;
1676 llx = (wxCoord) ((minX+wx_printer_translate_x)*scale_x);
1677 lly = (wxCoord) ((minY+wx_printer_translate_y)*scale_y);
1678 urx = (wxCoord) ((maxX+wx_printer_translate_x)*scale_x);
1679 ury = (wxCoord) ((maxY+wx_printer_translate_y)*scale_y);
1680 // (end of bounding box computation)
1681
1682
1683 // If we're landscape, our sense of "x" and "y" is reversed.
1684 if (m_printData.GetOrientation() == wxLANDSCAPE)
1685 {
1686 wxCoord tmp;
1687 tmp = llx; llx = lly; lly = tmp;
1688 tmp = urx; urx = ury; ury = tmp;
1689
1690 // We need either the two lines that follow, or we need to subtract
1691 // min_x from real_translate_y, which is commented out below.
1692 llx = llx - (wxCoord)(m_minX*wx_printer_scale_y);
1693 urx = urx - (wxCoord)(m_minX*wx_printer_scale_y);
1694 }
1695
1696 // The Adobe specifications call for integers; we round as to make
1697 // the bounding larger.
1698 PsPrintf( wxT("%%%%BoundingBox: %d %d %d %d\n"),
1699 (wxCoord)floor((double)llx), (wxCoord)floor((double)lly),
1700 (wxCoord)ceil((double)urx), (wxCoord)ceil((double)ury) );
1701
1702 // To check the correctness of the bounding box, postscript commands
1703 // to draw a box corresponding to the bounding box are generated below.
1704 // But since we typically don't want to print such a box, the postscript
1705 // commands are generated within comments. These lines appear before any
1706 // adjustment of scale, rotation, or translation, and hence are in the
1707 // default user coordinates.
1708 PsPrint( "% newpath\n" );
1709 PsPrintf( wxT("%% %d %d moveto\n"), llx, lly );
1710 PsPrintf( wxT("%% %d %d lineto\n"), urx, lly );
1711 PsPrintf( wxT("%% %d %d lineto\n"), urx, ury );
1712 PsPrintf( wxT("%% %d %d lineto closepath stroke\n"), llx, ury );
1713 #endif
1714
1715 #ifndef __WXMSW__
1716 wxPostScriptPrintNativeData *data =
1717 (wxPostScriptPrintNativeData *) m_printData.GetNativeData();
1718
1719 if (m_ok && (m_printData.GetPrintMode() == wxPRINT_MODE_PRINTER))
1720 {
1721 wxString command;
1722 command += data->GetPrinterCommand();
1723 command += wxT(" ");
1724 command += data->GetPrinterOptions();
1725 command += wxT(" ");
1726 command += m_printData.GetFilename();
1727
1728 wxExecute( command, true );
1729 wxRemoveFile( m_printData.GetFilename() );
1730 }
1731 #endif
1732 }
1733
1734 void wxPostScriptDC::StartPage()
1735 {
1736 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1737
1738 PsPrintf( wxT("%%%%Page: %d\n"), wxPageNumber++ );
1739
1740 // What is this one supposed to do? RR.
1741 // *m_pstream << "matrix currentmatrix\n";
1742
1743 // Added by Chris Breeze
1744
1745 // Each page starts with an "initgraphics" which resets the
1746 // transformation and so we need to reset the origin
1747 // (and rotate the page for landscape printing)
1748
1749 // Output scaling
1750 wxCoord translate_x, translate_y;
1751 double scale_x, scale_y;
1752
1753 wxPostScriptPrintNativeData *data =
1754 (wxPostScriptPrintNativeData *) m_printData.GetNativeData();
1755
1756 translate_x = (wxCoord)data->GetPrinterTranslateX();
1757 translate_y = (wxCoord)data->GetPrinterTranslateY();
1758
1759 scale_x = data->GetPrinterScaleX();
1760 scale_y = data->GetPrinterScaleY();
1761
1762 if (m_printData.GetOrientation() == wxLANDSCAPE)
1763 {
1764 int h;
1765 GetSize( (int*) NULL, &h );
1766 translate_y -= h;
1767 PsPrint( "90 rotate\n" );
1768 // I copied this one from a PostScript tutorial, but to no avail. RR.
1769 // PsPrint( "90 rotate llx neg ury nef translate\n" );
1770 }
1771
1772 char buffer[100];
1773 sprintf( buffer, "%.8f %.8f scale\n", scale_x / ms_PSScaleFactor,
1774 scale_y / ms_PSScaleFactor);
1775 for (int i = 0; i < 100; i++)
1776 if (buffer[i] == ',') buffer[i] = '.';
1777 PsPrint( buffer );
1778
1779 PsPrintf( wxT("%d %d translate\n"), translate_x, translate_y );
1780 }
1781
1782 void wxPostScriptDC::EndPage ()
1783 {
1784 wxCHECK_RET( m_ok , wxT("invalid postscript dc") );
1785
1786 PsPrint( "showpage\n" );
1787 }
1788
1789 bool wxPostScriptDC::DoBlit( wxCoord xdest, wxCoord ydest,
1790 wxCoord fwidth, wxCoord fheight,
1791 wxDC *source,
1792 wxCoord xsrc, wxCoord ysrc,
1793 int rop, bool WXUNUSED(useMask), wxCoord WXUNUSED(xsrcMask), wxCoord WXUNUSED(ysrcMask) )
1794 {
1795 wxCHECK_MSG( m_ok, false, wxT("invalid postscript dc") );
1796
1797 wxCHECK_MSG( source, false, wxT("invalid source dc") );
1798
1799 /* blit into a bitmap */
1800 wxBitmap bitmap( (int)fwidth, (int)fheight );
1801 wxMemoryDC memDC;
1802 memDC.SelectObject(bitmap);
1803 memDC.Blit(0, 0, fwidth, fheight, source, xsrc, ysrc, rop); /* TODO: Blit transparently? */
1804 memDC.SelectObject(wxNullBitmap);
1805
1806 /* draw bitmap. scaling and positioning is done there */
1807 DrawBitmap( bitmap, xdest, ydest );
1808
1809 return true;
1810 }
1811
1812 wxCoord wxPostScriptDC::GetCharHeight() const
1813 {
1814 if (m_font.Ok())
1815 return m_font.GetPointSize();
1816 else
1817 return 12;
1818 }
1819
1820 void wxPostScriptDC::DoGetTextExtent(const wxString& string,
1821 wxCoord *x, wxCoord *y,
1822 wxCoord *descent, wxCoord *externalLeading,
1823 wxFont *theFont ) const
1824 {
1825 wxFont *fontToUse = theFont;
1826
1827 if (!fontToUse) fontToUse = (wxFont*) &m_font;
1828
1829 wxCHECK_RET( fontToUse, wxT("GetTextExtent: no font defined") );
1830
1831 if (string.empty())
1832 {
1833 if (x) (*x) = 0;
1834 if (y) (*y) = 0;
1835 if (descent) (*descent) = 0;
1836 if (externalLeading) (*externalLeading) = 0;
1837 return;
1838 }
1839
1840 // GTK 2.0
1841
1842 const wxWX2MBbuf strbuf = string.mb_str();
1843
1844 #if !wxUSE_AFM_FOR_POSTSCRIPT
1845 /* Provide a VERY rough estimate (avoid using it).
1846 * Produces accurate results for mono-spaced font
1847 * such as Courier (aka wxMODERN) */
1848
1849 int height = 12;
1850 if (fontToUse)
1851 {
1852 height = fontToUse->GetPointSize();
1853 }
1854 if ( x )
1855 *x = strlen (strbuf) * height * 72 / 120;
1856 if ( y )
1857 *y = (wxCoord) (height * 1.32); /* allow for descender */
1858 if (descent) *descent = 0;
1859 if (externalLeading) *externalLeading = 0;
1860 #else
1861
1862 /* method for calculating string widths in postscript:
1863 / read in the AFM (adobe font metrics) file for the
1864 / actual font, parse it and extract the character widths
1865 / and also the descender. this may be improved, but for now
1866 / it works well. the AFM file is only read in if the
1867 / font is changed. this may be chached in the future.
1868 / calls to GetTextExtent with the font unchanged are rather
1869 / efficient!!!
1870 /
1871 / for each font and style used there is an AFM file necessary.
1872 / currently i have only files for the roman font family.
1873 / I try to get files for the other ones!
1874 /
1875 / CAVE: the size of the string is currently always calculated
1876 / in 'points' (1/72 of an inch). this should later on be
1877 / changed to depend on the mapping mode.
1878 / CAVE: the path to the AFM files must be set before calling this
1879 / function. this is usually done by a call like the following:
1880 / wxSetAFMPath("d:\\wxw161\\afm\\");
1881 /
1882 / example:
1883 /
1884 / wxPostScriptDC dc(NULL, true);
1885 / if (dc.Ok()){
1886 / wxSetAFMPath("d:\\wxw161\\afm\\");
1887 / dc.StartDoc("Test");
1888 / dc.StartPage();
1889 / wxCoord w,h;
1890 / dc.SetFont(new wxFont(10, wxROMAN, wxNORMAL, wxNORMAL));
1891 / dc.GetTextExtent("Hallo",&w,&h);
1892 / dc.EndPage();
1893 / dc.EndDoc();
1894 / }
1895 /
1896 / by steve (stefan.hammes@urz.uni-heidelberg.de)
1897 / created: 10.09.94
1898 / updated: 14.05.95 */
1899
1900 /* these static vars are for storing the state between calls */
1901 static int lastFamily= INT_MIN;
1902 static int lastSize= INT_MIN;
1903 static int lastStyle= INT_MIN;
1904 static int lastWeight= INT_MIN;
1905 static int lastDescender = INT_MIN;
1906 static int lastWidths[256]; /* widths of the characters */
1907
1908 double UnderlinePosition = 0.0;
1909 double UnderlineThickness = 0.0;
1910
1911 // Get actual parameters
1912 int Family = fontToUse->GetFamily();
1913 int Size = fontToUse->GetPointSize();
1914 int Style = fontToUse->GetStyle();
1915 int Weight = fontToUse->GetWeight();
1916
1917 // If we have another font, read the font-metrics
1918 if (Family!=lastFamily || Size!=lastSize || Style!=lastStyle || Weight!=lastWeight)
1919 {
1920 // Store actual values
1921 lastFamily = Family;
1922 lastSize = Size;
1923 lastStyle = Style;
1924 lastWeight = Weight;
1925
1926 const wxChar *name;
1927
1928 switch (Family)
1929 {
1930 case wxMODERN:
1931 case wxTELETYPE:
1932 {
1933 if ((Style == wxITALIC) && (Weight == wxBOLD)) name = wxT("CourBoO.afm");
1934 else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = wxT("CourBo.afm");
1935 else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = wxT("CourO.afm");
1936 else name = wxT("Cour.afm");
1937 break;
1938 }
1939 case wxROMAN:
1940 {
1941 if ((Style == wxITALIC) && (Weight == wxBOLD)) name = wxT("TimesBoO.afm");
1942 else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = wxT("TimesBo.afm");
1943 else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = wxT("TimesO.afm");
1944 else name = wxT("TimesRo.afm");
1945 break;
1946 }
1947 case wxSCRIPT:
1948 {
1949 name = wxT("Zapf.afm");
1950 break;
1951 }
1952 case wxSWISS:
1953 default:
1954 {
1955 if ((Style == wxITALIC) && (Weight == wxBOLD)) name = wxT("HelvBoO.afm");
1956 else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = wxT("HelvBo.afm");
1957 else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = wxT("HelvO.afm");
1958 else name = wxT("Helv.afm");
1959 break;
1960 }
1961 }
1962
1963 FILE *afmFile = NULL;
1964
1965 // Get the directory of the AFM files
1966 wxString afmName;
1967
1968 // VZ: I don't know if the cast always works under Unix but it clearly
1969 // never does under Windows where the pointer is
1970 // wxWindowsPrintNativeData and so calling GetFontMetricPath() on
1971 // it just crashes
1972 #ifndef __WIN32__
1973 wxPostScriptPrintNativeData *data =
1974 wxDynamicCast(m_printData.GetNativeData(), wxPostScriptPrintNativeData);
1975
1976 if (data && !data->GetFontMetricPath().empty())
1977 {
1978 afmName = data->GetFontMetricPath();
1979 afmName << wxFILE_SEP_PATH << name;
1980 }
1981 #endif // __WIN32__
1982
1983 if ( !afmName.empty() )
1984 afmFile = wxFopen(afmName, wxT("r"));
1985
1986 if ( !afmFile )
1987 {
1988 #if defined(__UNIX__) && !defined(__VMS__)
1989 afmName = wxGetDataDir();
1990 #else // !__UNIX__
1991 afmName = wxStandardPaths::Get().GetDataDir();
1992 #endif // __UNIX__/!__UNIX__
1993
1994 afmName << wxFILE_SEP_PATH
1995 #if defined(__LINUX__) || defined(__FREEBSD__)
1996 << wxT("gs_afm") << wxFILE_SEP_PATH
1997 #else
1998 << wxT("afm") << wxFILE_SEP_PATH
1999 #endif
2000 << name;
2001 afmFile = wxFopen(afmName,wxT("r"));
2002 }
2003
2004 /* 2. open and process the file
2005 / a short explanation of the AFM format:
2006 / we have for each character a line, which gives its size
2007 / e.g.:
2008 /
2009 / C 63 ; WX 444 ; N question ; B 49 -14 395 676 ;
2010 /
2011 / that means, we have a character with ascii code 63, and width
2012 / (444/1000 * fontSize) points.
2013 / the other data is ignored for now!
2014 /
2015 / when the font has changed, we read in the right AFM file and store the
2016 / character widths in an array, which is processed below (see point 3.). */
2017 if (afmFile==NULL)
2018 {
2019 wxLogDebug( wxT("GetTextExtent: can't open AFM file '%s'"), afmName.c_str() );
2020 wxLogDebug( wxT(" using approximate values"));
2021 for (int i=0; i<256; i++) lastWidths[i] = 500; /* an approximate value */
2022 lastDescender = -150; /* dito. */
2023 }
2024 else
2025 {
2026 /* init the widths array */
2027 for(int i=0; i<256; i++) lastWidths[i] = INT_MIN;
2028 /* some variables for holding parts of a line */
2029 char cString[10], semiString[10], WXString[10];
2030 char descString[20];
2031 char upString[30], utString[30];
2032 char encString[50];
2033 char line[256];
2034 int ascii,cWidth;
2035 /* read in the file and parse it */
2036 while(fgets(line,sizeof(line),afmFile)!=NULL)
2037 {
2038 /* A.) check for descender definition */
2039 if (strncmp(line,"Descender",9)==0)
2040 {
2041 if ((sscanf(line,"%s%d",descString,&lastDescender)!=2) ||
2042 (strcmp(descString,"Descender")!=0))
2043 {
2044 wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad descender)"), afmName.c_str(),line );
2045 }
2046 }
2047 /* JC 1.) check for UnderlinePosition */
2048 else if(strncmp(line,"UnderlinePosition",17)==0)
2049 {
2050 if ((sscanf(line,"%s%lf",upString,&UnderlinePosition)!=2) ||
2051 (strcmp(upString,"UnderlinePosition")!=0))
2052 {
2053 wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad UnderlinePosition)"), afmName.c_str(), line );
2054 }
2055 }
2056 /* JC 2.) check for UnderlineThickness */
2057 else if(strncmp(line,"UnderlineThickness",18)==0)
2058 {
2059 if ((sscanf(line,"%s%lf",utString,&UnderlineThickness)!=2) ||
2060 (strcmp(utString,"UnderlineThickness")!=0))
2061 {
2062 wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad UnderlineThickness)"), afmName.c_str(), line );
2063 }
2064 }
2065 /* JC 3.) check for EncodingScheme */
2066 else if(strncmp(line,"EncodingScheme",14)==0)
2067 {
2068 if ((sscanf(line,"%s%s",utString,encString)!=2) ||
2069 (strcmp(utString,"EncodingScheme")!=0))
2070 {
2071 wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad EncodingScheme)"), afmName.c_str(), line );
2072 }
2073 else if (strncmp(encString, "AdobeStandardEncoding", 21))
2074 {
2075 wxLogDebug( wxT("AFM-file '%s': line '%s' has error (unsupported EncodingScheme %s)"),
2076 afmName.c_str(),line, encString);
2077 }
2078 }
2079 /* B.) check for char-width */
2080 else if(strncmp(line,"C ",2)==0)
2081 {
2082 if (sscanf(line,"%s%d%s%s%d",cString,&ascii,semiString,WXString,&cWidth)!=5)
2083 {
2084 wxLogDebug(wxT("AFM-file '%s': line '%s' has an error (bad character width)"),afmName.c_str(),line);
2085 }
2086 if(strcmp(cString,"C")!=0 || strcmp(semiString,";")!=0 || strcmp(WXString,"WX")!=0)
2087 {
2088 wxLogDebug(wxT("AFM-file '%s': line '%s' has a format error"),afmName.c_str(),line);
2089 }
2090 /* printf(" char '%c'=%d has width '%d'\n",ascii,ascii,cWidth); */
2091 if (ascii>=0 && ascii<256)
2092 {
2093 lastWidths[ascii] = cWidth; /* store width */
2094 }
2095 else
2096 {
2097 /* MATTHEW: this happens a lot; don't print an error */
2098 /* wxLogDebug("AFM-file '%s': ASCII value %d out of range",afmName.c_str(),ascii); */
2099 }
2100 }
2101 /* C.) ignore other entries. */
2102 }
2103 fclose(afmFile);
2104 }
2105 /* hack to compute correct values for german 'Umlaute'
2106 / the correct way would be to map the character names
2107 / like 'adieresis' to corresp. positions of ISOEnc and read
2108 / these values from AFM files, too. Maybe later ... */
2109
2110 // NB: casts to int are needed to suppress gcc 3.3 warnings
2111 lastWidths[196] = lastWidths[(int)'A']; // Ä
2112 lastWidths[228] = lastWidths[(int)'a']; // ä
2113 lastWidths[214] = lastWidths[(int)'O']; // Ö
2114 lastWidths[246] = lastWidths[(int)'o']; // ö
2115 lastWidths[220] = lastWidths[(int)'U']; // Ü
2116 lastWidths[252] = lastWidths[(int)'u']; // ü
2117 lastWidths[223] = lastWidths[(int)251]; // ß
2118
2119 /* JC: calculate UnderlineThickness/UnderlinePosition */
2120
2121 // VS: dirty, but is there any better solution?
2122 double *pt;
2123 pt = (double*) &m_underlinePosition;
2124 *pt = LogicalToDeviceYRel((wxCoord)(UnderlinePosition * fontToUse->GetPointSize())) / 1000.0f;
2125 pt = (double*) &m_underlineThickness;
2126 *pt = LogicalToDeviceYRel((wxCoord)(UnderlineThickness * fontToUse->GetPointSize())) / 1000.0f;
2127
2128 }
2129
2130
2131 /* 3. now the font metrics are read in, calc size this
2132 / is done by adding the widths of the characters in the
2133 / string. they are given in 1/1000 of the size! */
2134
2135 long sum=0;
2136 wxCoord height=Size; /* by default */
2137 unsigned char *p;
2138 for(p=(unsigned char *)wxMBSTRINGCAST strbuf; *p; p++)
2139 {
2140 if(lastWidths[*p]== INT_MIN)
2141 {
2142 wxLogDebug(wxT("GetTextExtent: undefined width for character '%c' (%d)"), *p,*p);
2143 sum += lastWidths[(unsigned char)' ']; /* assume space */
2144 }
2145 else
2146 {
2147 sum += lastWidths[*p];
2148 }
2149 }
2150
2151 double widthSum = sum;
2152 widthSum *= Size;
2153 widthSum /= 1000.0F;
2154
2155 /* add descender to height (it is usually a negative value) */
2156 //if (lastDescender != INT_MIN)
2157 //{
2158 // height += (wxCoord)(((-lastDescender)/1000.0F) * Size); /* MATTHEW: forgot scale */
2159 //}
2160 // - commented by V. Slavik - height already contains descender in it
2161 // (judging from few experiments)
2162
2163 /* return size values */
2164 if ( x )
2165 *x = (wxCoord)widthSum;
2166 if ( y )
2167 *y = height;
2168
2169 /* return other parameters */
2170 if (descent)
2171 {
2172 if(lastDescender!=INT_MIN)
2173 {
2174 *descent = (wxCoord)(((-lastDescender)/1000.0F) * Size); /* MATTHEW: forgot scale */
2175 }
2176 else
2177 {
2178 *descent = 0;
2179 }
2180 }
2181
2182 /* currently no idea how to calculate this! */
2183 if (externalLeading) *externalLeading = 0;
2184 #endif
2185 // Use AFM
2186 }
2187
2188 // print postscript datas via required method (file, stream)
2189 void wxPostScriptDC::PsPrintf( const wxChar* fmt, ... )
2190 {
2191 va_list argptr;
2192 va_start(argptr, fmt);
2193
2194 PsPrint( wxString::FormatV( fmt, argptr ).c_str() );
2195 }
2196
2197 void wxPostScriptDC::PsPrint( const char* psdata )
2198 {
2199 wxPostScriptPrintNativeData *data =
2200 (wxPostScriptPrintNativeData *) m_printData.GetNativeData();
2201
2202 switch (m_printData.GetPrintMode())
2203 {
2204 #if wxUSE_STREAMS
2205 // append to output stream
2206 case wxPRINT_MODE_STREAM:
2207 {
2208 wxOutputStream* outputstream = data->GetOutputStream();
2209 wxCHECK_RET( outputstream, wxT("invalid outputstream") );
2210 outputstream->Write( psdata, strlen( psdata ) );
2211 }
2212 break;
2213 #endif // wxUSE_STREAMS
2214
2215 // save data into file
2216 default:
2217 wxCHECK_RET( m_pstream, wxT("invalid postscript dc") );
2218 fwrite( psdata, 1, strlen( psdata ), m_pstream );
2219 }
2220 }
2221
2222 void wxPostScriptDC::PsPrint( int ch )
2223 {
2224 wxPostScriptPrintNativeData *data =
2225 (wxPostScriptPrintNativeData *) m_printData.GetNativeData();
2226
2227 switch (m_printData.GetPrintMode())
2228 {
2229 #if wxUSE_STREAMS
2230 // append to output stream
2231 case wxPRINT_MODE_STREAM:
2232 {
2233 wxOutputStream* outputstream = data->GetOutputStream();
2234 wxCHECK_RET( outputstream, wxT("invalid outputstream") );
2235 outputstream->PutC( (char)ch );
2236 }
2237 break;
2238 #endif // wxUSE_STREAMS
2239
2240 // save data into file
2241 default:
2242 wxCHECK_RET( m_pstream, wxT("invalid postscript dc") );
2243 fputc( ch, m_pstream );
2244 }
2245 }
2246
2247 #endif
2248 // wxUSE_POSTSCRIPT
2249
2250 #endif
2251 // wxUSE_PRINTING_ARCHITECTURE
2252
2253
2254 // vi:sts=4:sw=4:et
wxWidgets (Impactor)