]> git.saurik.com Git - wxWidgets.git/blob - src/generic/dcpsg.cpp
projects / wxWidgets.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Warning fixes.
[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 #if wxUSE_PRINTING_ARCHITECTURE && wxUSE_POSTSCRIPT
19
20 #include "wx/generic/dcpsg.h"
21
22 #ifndef WX_PRECOMP
23 #include "wx/intl.h"
24 #include "wx/log.h"
25 #include "wx/app.h"
26 #endif // WX_PRECOMP
27
28 #include "wx/dcmemory.h"
29 #include "wx/utils.h"
30 #include "wx/image.h"
31 #include "wx/prntbase.h"
32 #include "wx/generic/prntdlgg.h"
33 #include "wx/paper.h"
34 #include "wx/filefn.h"
35 #include "wx/math.h"
36 #include "wx/stdpaths.h"
37
38 #ifdef __WXMSW__
39
40 #ifdef DrawText
41 #undef DrawText
42 #endif
43
44 #ifdef StartDoc
45 #undef StartDoc
46 #endif
47
48 #ifdef GetCharWidth
49 #undef GetCharWidth
50 #endif
51
52 #ifdef FindWindow
53 #undef FindWindow
54 #endif
55
56 #endif
57
58 //-----------------------------------------------------------------------------
59 // start and end of document/page
60 //-----------------------------------------------------------------------------
61
62 static const char *wxPostScriptHeaderConicTo = "\
63 /conicto {\n\
64 /to_y exch def\n\
65 /to_x exch def\n\
66 /conic_cntrl_y exch def\n\
67 /conic_cntrl_x exch def\n\
68 currentpoint\n\
69 /p0_y exch def\n\
70 /p0_x exch def\n\
71 /p1_x p0_x conic_cntrl_x p0_x sub 2 3 div mul add def\n\
72 /p1_y p0_y conic_cntrl_y p0_y sub 2 3 div mul add def\n\
73 /p2_x p1_x to_x p0_x sub 1 3 div mul add def\n\
74 /p2_y p1_y to_y p0_y sub 1 3 div mul add def\n\
75 p1_x p1_y p2_x p2_y to_x to_y curveto\n\
76 } bind def\n\
77 ";
78
79 static const char *wxPostScriptHeaderEllipse = "\
80 /ellipsedict 8 dict def\n\
81 ellipsedict /mtrx matrix put\n\
82 /ellipse {\n\
83 ellipsedict begin\n\
84 /endangle exch def\n\
85 /startangle exch def\n\
86 /yrad exch def\n\
87 /xrad exch def\n\
88 /y exch def\n\
89 /x exch def\n\
90 /savematrix mtrx currentmatrix def\n\
91 x y translate\n\
92 xrad yrad scale\n\
93 0 0 1 startangle endangle arc\n\
94 savematrix setmatrix\n\
95 end\n\
96 } def\n\
97 ";
98
99 static const char *wxPostScriptHeaderEllipticArc= "\
100 /ellipticarcdict 8 dict def\n\
101 ellipticarcdict /mtrx matrix put\n\
102 /ellipticarc\n\
103 { ellipticarcdict begin\n\
104 /do_fill exch def\n\
105 /endangle exch def\n\
106 /startangle exch def\n\
107 /yrad exch def\n\
108 /xrad exch def \n\
109 /y exch def\n\
110 /x exch def\n\
111 /savematrix mtrx currentmatrix def\n\
112 x y translate\n\
113 xrad yrad scale\n\
114 do_fill { 0 0 moveto } if\n\
115 0 0 1 startangle endangle arc\n\
116 savematrix setmatrix\n\
117 do_fill { fill }{ stroke } ifelse\n\
118 end\n\
119 } def\n";
120
121 static const char *wxPostScriptHeaderSpline = "\
122 /DrawSplineSection {\n\
123 /y3 exch def\n\
124 /x3 exch def\n\
125 /y2 exch def\n\
126 /x2 exch def\n\
127 /y1 exch def\n\
128 /x1 exch def\n\
129 /xa x1 x2 x1 sub 0.666667 mul add def\n\
130 /ya y1 y2 y1 sub 0.666667 mul add def\n\
131 /xb x3 x2 x3 sub 0.666667 mul add def\n\
132 /yb y3 y2 y3 sub 0.666667 mul add def\n\
133 x1 y1 lineto\n\
134 xa ya xb yb x3 y3 curveto\n\
135 } def\n\
136 ";
137
138 static const char *wxPostScriptHeaderColourImage = "\
139 % define 'colorimage' if it isn't defined\n\
140 % ('colortogray' and 'mergeprocs' come from xwd2ps\n\
141 % via xgrab)\n\
142 /colorimage where % do we know about 'colorimage'?\n\
143 { pop } % yes: pop off the 'dict' returned\n\
144 { % no: define one\n\
145 /colortogray { % define an RGB->I function\n\
146 /rgbdata exch store % call input 'rgbdata'\n\
147 rgbdata length 3 idiv\n\
148 /npixls exch store\n\
149 /rgbindx 0 store\n\
150 0 1 npixls 1 sub {\n\
151 grays exch\n\
152 rgbdata rgbindx get 20 mul % Red\n\
153 rgbdata rgbindx 1 add get 32 mul % Green\n\
154 rgbdata rgbindx 2 add get 12 mul % Blue\n\
155 add add 64 idiv % I = .5G + .31R + .18B\n\
156 put\n\
157 /rgbindx rgbindx 3 add store\n\
158 } for\n\
159 grays 0 npixls getinterval\n\
160 } bind def\n\
161 \n\
162 % Utility procedure for colorimage operator.\n\
163 % This procedure takes two procedures off the\n\
164 % stack and merges them into a single procedure.\n\
165 \n\
166 /mergeprocs { % def\n\
167 dup length\n\
168 3 -1 roll\n\
169 dup\n\
170 length\n\
171 dup\n\
172 5 1 roll\n\
173 3 -1 roll\n\
174 add\n\
175 array cvx\n\
176 dup\n\
177 3 -1 roll\n\
178 0 exch\n\
179 putinterval\n\
180 dup\n\
181 4 2 roll\n\
182 putinterval\n\
183 } bind def\n\
184 \n\
185 /colorimage { % def\n\
186 pop pop % remove 'false 3' operands\n\
187 {colortogray} mergeprocs\n\
188 image\n\
189 } bind def\n\
190 } ifelse % end of 'false' case\n\
191 ";
192
193 static char wxPostScriptHeaderReencodeISO1[] =
194 "\n/reencodeISO {\n"
195 "dup dup findfont dup length dict begin\n"
196 "{ 1 index /FID ne { def }{ pop pop } ifelse } forall\n"
197 "/Encoding ISOLatin1Encoding def\n"
198 "currentdict end definefont\n"
199 "} def\n"
200 "/ISOLatin1Encoding [\n"
201 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\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 "/space/exclam/quotedbl/numbersign/dollar/percent/ampersand/quoteright\n"
206 "/parenleft/parenright/asterisk/plus/comma/minus/period/slash\n"
207 "/zero/one/two/three/four/five/six/seven/eight/nine/colon/semicolon\n"
208 "/less/equal/greater/question/at/A/B/C/D/E/F/G/H/I/J/K/L/M/N\n"
209 "/O/P/Q/R/S/T/U/V/W/X/Y/Z/bracketleft/backslash/bracketright\n"
210 "/asciicircum/underscore/quoteleft/a/b/c/d/e/f/g/h/i/j/k/l/m\n"
211 "/n/o/p/q/r/s/t/u/v/w/x/y/z/braceleft/bar/braceright/asciitilde\n"
212 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
213 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
214 "/.notdef/dotlessi/grave/acute/circumflex/tilde/macron/breve\n"
215 "/dotaccent/dieresis/.notdef/ring/cedilla/.notdef/hungarumlaut\n";
216
217 static char wxPostScriptHeaderReencodeISO2[] =
218 "/ogonek/caron/space/exclamdown/cent/sterling/currency/yen/brokenbar\n"
219 "/section/dieresis/copyright/ordfeminine/guillemotleft/logicalnot\n"
220 "/hyphen/registered/macron/degree/plusminus/twosuperior/threesuperior\n"
221 "/acute/mu/paragraph/periodcentered/cedilla/onesuperior/ordmasculine\n"
222 "/guillemotright/onequarter/onehalf/threequarters/questiondown\n"
223 "/Agrave/Aacute/Acircumflex/Atilde/Adieresis/Aring/AE/Ccedilla\n"
224 "/Egrave/Eacute/Ecircumflex/Edieresis/Igrave/Iacute/Icircumflex\n"
225 "/Idieresis/Eth/Ntilde/Ograve/Oacute/Ocircumflex/Otilde/Odieresis\n"
226 "/multiply/Oslash/Ugrave/Uacute/Ucircumflex/Udieresis/Yacute\n"
227 "/Thorn/germandbls/agrave/aacute/acircumflex/atilde/adieresis\n"
228 "/aring/ae/ccedilla/egrave/eacute/ecircumflex/edieresis/igrave\n"
229 "/iacute/icircumflex/idieresis/eth/ntilde/ograve/oacute/ocircumflex\n"
230 "/otilde/odieresis/divide/oslash/ugrave/uacute/ucircumflex/udieresis\n"
231 "/yacute/thorn/ydieresis\n"
232 "] def\n\n";
233
234 //-------------------------------------------------------------------------------
235 // wxPostScriptDC
236 //-------------------------------------------------------------------------------
237
238 IMPLEMENT_DYNAMIC_CLASS(wxPostScriptDC, wxDC)
239
240 float wxPostScriptDC::ms_PSScaleFactor = 1.0;
241
242 void wxPostScriptDC::SetResolution(int ppi)
243 {
244 ms_PSScaleFactor = (float)ppi / 72.0;
245 }
246
247 int wxPostScriptDC::GetResolution()
248 {
249 return (int)(ms_PSScaleFactor * 72.0);
250 }
251
252 //-------------------------------------------------------------------------------
253
254 wxPostScriptDC::wxPostScriptDC ()
255 {
256 m_pstream = (FILE*) NULL;
257
258 m_currentRed = 0;
259 m_currentGreen = 0;
260 m_currentBlue = 0;
261
262 m_pageNumber = 0;
263
264 m_clipping = false;
265
266 m_underlinePosition = 0.0;
267 m_underlineThickness = 0.0;
268
269 m_signX = 1; // default x-axis left to right
270 m_signY = -1; // default y-axis bottom up -> top down
271 }
272
273 wxPostScriptDC::wxPostScriptDC (const wxPrintData& printData)
274 {
275 m_pstream = (FILE*) NULL;
276
277 m_currentRed = 0;
278 m_currentGreen = 0;
279 m_currentBlue = 0;
280
281 m_pageNumber = 0;
282
283 m_clipping = false;
284
285 m_underlinePosition = 0.0;
286 m_underlineThickness = 0.0;
287
288 m_signX = 1; // default x-axis left to right
289 m_signY = -1; // default y-axis bottom up -> top down
290
291 m_printData = printData;
292
293 m_ok = true;
294 }
295
296 wxPostScriptDC::~wxPostScriptDC ()
297 {
298 if (m_pstream)
299 {
300 fclose( m_pstream );
301 m_pstream = (FILE*) NULL;
302 }
303 }
304
305 bool wxPostScriptDC::Ok() const
306 {
307 return m_ok;
308 }
309
310 void wxPostScriptDC::DoSetClippingRegion (wxCoord x, wxCoord y, wxCoord w, wxCoord h)
311 {
312 wxCHECK_RET( m_ok , wxT("invalid postscript dc") );
313
314 if (m_clipping) DestroyClippingRegion();
315
316 wxDC::DoSetClippingRegion(x, y, w, h);
317
318 m_clipping = true;
319
320 PsPrintf( wxT("gsave\n newpath\n")
321 wxT("%d %d moveto\n")
322 wxT("%d %d lineto\n")
323 wxT("%d %d lineto\n")
324 wxT("%d %d lineto\n")
325 wxT("closepath clip newpath\n"),
326 LogicalToDeviceX(x), LogicalToDeviceY(y),
327 LogicalToDeviceX(x+w), LogicalToDeviceY(y),
328 LogicalToDeviceX(x+w), LogicalToDeviceY(y+h),
329 LogicalToDeviceX(x), LogicalToDeviceY(y+h) );
330 }
331
332
333 void wxPostScriptDC::DestroyClippingRegion()
334 {
335 wxCHECK_RET( m_ok , wxT("invalid postscript dc") );
336
337 if (m_clipping)
338 {
339 m_clipping = false;
340 PsPrint( "grestore\n" );
341 }
342
343 wxDC::DestroyClippingRegion();
344 }
345
346 void wxPostScriptDC::Clear()
347 {
348 // This should fail silently to avoid unnecessary
349 // asserts
350 // wxFAIL_MSG( wxT("wxPostScriptDC::Clear not implemented.") );
351 }
352
353 bool wxPostScriptDC::DoFloodFill (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), const wxColour &WXUNUSED(col), int WXUNUSED(style))
354 {
355 wxFAIL_MSG( wxT("wxPostScriptDC::FloodFill not implemented.") );
356 return false;
357 }
358
359 bool wxPostScriptDC::DoGetPixel (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), wxColour * WXUNUSED(col)) const
360 {
361 wxFAIL_MSG( wxT("wxPostScriptDC::GetPixel not implemented.") );
362 return false;
363 }
364
365 void wxPostScriptDC::DoCrossHair (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y))
366 {
367 wxFAIL_MSG( wxT("wxPostScriptDC::CrossHair not implemented.") );
368 }
369
370 void wxPostScriptDC::DoDrawLine (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
371 {
372 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
373
374 if (m_pen.GetStyle() == wxTRANSPARENT) return;
375
376 SetPen( m_pen );
377
378 PsPrintf( wxT("newpath\n")
379 wxT("%d %d moveto\n")
380 wxT("%d %d lineto\n")
381 wxT("stroke\n"),
382 LogicalToDeviceX(x1), LogicalToDeviceY(y1),
383 LogicalToDeviceX(x2), LogicalToDeviceY (y2) );
384
385 CalcBoundingBox( x1, y1 );
386 CalcBoundingBox( x2, y2 );
387 }
388
389 #define RAD2DEG 57.29577951308
390
391 void wxPostScriptDC::DoDrawArc (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc)
392 {
393 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
394
395 wxCoord dx = x1 - xc;
396 wxCoord dy = y1 - yc;
397 wxCoord radius = (wxCoord) sqrt( (double)(dx*dx+dy*dy) );
398 double alpha1, alpha2;
399
400 if (x1 == x2 && y1 == y2)
401 {
402 alpha1 = 0.0;
403 alpha2 = 360.0;
404 }
405 else if ( wxIsNullDouble(radius) )
406 {
407 alpha1 =
408 alpha2 = 0.0;
409 }
410 else
411 {
412 alpha1 = (x1 - xc == 0) ?
413 (y1 - yc < 0) ? 90.0 : -90.0 :
414 -atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
415 alpha2 = (x2 - xc == 0) ?
416 (y2 - yc < 0) ? 90.0 : -90.0 :
417 -atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
418 }
419 while (alpha1 <= 0) alpha1 += 360;
420 while (alpha2 <= 0) alpha2 += 360; // adjust angles to be between
421 while (alpha1 > 360) alpha1 -= 360; // 0 and 360 degree
422 while (alpha2 > 360) alpha2 -= 360;
423
424 if (m_brush.GetStyle() != wxTRANSPARENT)
425 {
426 SetBrush( m_brush );
427
428 PsPrintf( wxT("newpath\n")
429 wxT("%d %d %d %d %d %d ellipse\n")
430 wxT("%d %d lineto\n")
431 wxT("closepath\n")
432 wxT("fill\n"),
433 LogicalToDeviceX(xc), LogicalToDeviceY(yc), LogicalToDeviceXRel(radius), LogicalToDeviceYRel(radius), (wxCoord)alpha1, (wxCoord) alpha2,
434 LogicalToDeviceX(xc), LogicalToDeviceY(yc) );
435
436 CalcBoundingBox( xc-radius, yc-radius );
437 CalcBoundingBox( xc+radius, yc+radius );
438 }
439
440 if (m_pen.GetStyle() != wxTRANSPARENT)
441 {
442 SetPen( m_pen );
443
444 PsPrintf( wxT("newpath\n")
445 wxT("%d %d %d %d %d %d ellipse\n")
446 wxT("%d %d lineto\n")
447 wxT("stroke\n")
448 wxT("fill\n"),
449 LogicalToDeviceX(xc), LogicalToDeviceY(yc), LogicalToDeviceXRel(radius), LogicalToDeviceYRel(radius), (wxCoord)alpha1, (wxCoord) alpha2,
450 LogicalToDeviceX(xc), LogicalToDeviceY(yc) );
451
452 CalcBoundingBox( xc-radius, yc-radius );
453 CalcBoundingBox( xc+radius, yc+radius );
454 }
455 }
456
457 void wxPostScriptDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
458 {
459 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
460
461 if ( sa >= 360 || sa <= -360 )
462 sa -= int(sa/360)*360;
463 if ( ea >= 360 || ea <=- 360 )
464 ea -= int(ea/360)*360;
465 if ( sa < 0 )
466 sa += 360;
467 if ( ea < 0 )
468 ea += 360;
469
470 if ( wxIsSameDouble(sa, ea) )
471 {
472 DrawEllipse(x,y,w,h);
473 return;
474 }
475
476 if (m_brush.GetStyle () != wxTRANSPARENT)
477 {
478 SetBrush( m_brush );
479
480 PsPrintf( wxT("newpath\n")
481 wxT("%d %d %d %d %d %d true ellipticarc\n"),
482 LogicalToDeviceX(x+w/2), LogicalToDeviceY(y+h/2),
483 LogicalToDeviceXRel(w/2), LogicalToDeviceYRel(h/2),
484 (wxCoord)sa, (wxCoord)ea );
485
486 CalcBoundingBox( x ,y );
487 CalcBoundingBox( x+w, y+h );
488 }
489
490 if (m_pen.GetStyle () != wxTRANSPARENT)
491 {
492 SetPen( m_pen );
493
494 PsPrintf( wxT("newpath\n")
495 wxT("%d %d %d %d %d %d false ellipticarc\n"),
496 LogicalToDeviceX(x+w/2), LogicalToDeviceY(y+h/2),
497 LogicalToDeviceXRel(w/2), LogicalToDeviceYRel(h/2),
498 (wxCoord)sa, (wxCoord)ea );
499
500 CalcBoundingBox( x ,y );
501 CalcBoundingBox( x+w, y+h );
502 }
503 }
504
505 void wxPostScriptDC::DoDrawPoint (wxCoord x, wxCoord y)
506 {
507 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
508
509 if (m_pen.GetStyle() == wxTRANSPARENT) return;
510
511 SetPen (m_pen);
512
513 PsPrintf( wxT("newpath\n")
514 wxT("%d %d moveto\n")
515 wxT("%d %d lineto\n")
516 wxT("stroke\n"),
517 LogicalToDeviceX(x), LogicalToDeviceY(y),
518 LogicalToDeviceX(x+1), LogicalToDeviceY(y) );
519
520 CalcBoundingBox( x, y );
521 }
522
523 void wxPostScriptDC::DoDrawPolygon (int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
524 {
525 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
526
527 if (n <= 0) return;
528
529 if (m_brush.GetStyle () != wxTRANSPARENT)
530 {
531 SetBrush( m_brush );
532
533 PsPrint( "newpath\n" );
534
535 wxCoord xx = LogicalToDeviceX(points[0].x + xoffset);
536 wxCoord yy = LogicalToDeviceY(points[0].y + yoffset);
537
538 PsPrintf( wxT("%d %d moveto\n"), xx, yy );
539
540 CalcBoundingBox( points[0].x + xoffset, points[0].y + yoffset );
541
542 for (int i = 1; i < n; i++)
543 {
544 xx = LogicalToDeviceX(points[i].x + xoffset);
545 yy = LogicalToDeviceY(points[i].y + yoffset);
546
547 PsPrintf( wxT("%d %d lineto\n"), xx, yy );
548
549 CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset);
550 }
551
552 PsPrint( (fillStyle == wxODDEVEN_RULE ? "eofill\n" : "fill\n") );
553 }
554
555 if (m_pen.GetStyle () != wxTRANSPARENT)
556 {
557 SetPen( m_pen );
558
559 PsPrint( "newpath\n" );
560
561 wxCoord xx = LogicalToDeviceX(points[0].x + xoffset);
562 wxCoord yy = LogicalToDeviceY(points[0].y + yoffset);
563
564 PsPrintf( wxT("%d %d moveto\n"), xx, yy );
565
566 CalcBoundingBox( points[0].x + xoffset, points[0].y + yoffset );
567
568 for (int i = 1; i < n; i++)
569 {
570 xx = LogicalToDeviceX(points[i].x + xoffset);
571 yy = LogicalToDeviceY(points[i].y + yoffset);
572
573 PsPrintf( wxT("%d %d lineto\n"), xx, yy );
574
575 CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset);
576 }
577
578 PsPrint( "closepath\n" );
579 PsPrint( "stroke\n" );
580 }
581 }
582
583 void wxPostScriptDC::DoDrawPolyPolygon (int n, int count[], wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
584 {
585 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
586
587 if (n <= 0) return;
588
589 if (m_brush.GetStyle () != wxTRANSPARENT)
590 {
591 SetBrush( m_brush );
592
593 PsPrint( "newpath\n" );
594
595 int ofs = 0;
596 for (int i = 0; i < n; ofs += count[i++])
597 {
598 wxCoord xx = LogicalToDeviceX(points[ofs].x + xoffset);
599 wxCoord yy = LogicalToDeviceY(points[ofs].y + yoffset);
600
601 PsPrintf( wxT("%d %d moveto\n"), xx, yy );
602
603 CalcBoundingBox( points[ofs].x + xoffset, points[ofs].y + yoffset );
604
605 for (int j = 1; j < count[i]; j++)
606 {
607 xx = LogicalToDeviceX(points[ofs+j].x + xoffset);
608 yy = LogicalToDeviceY(points[ofs+j].y + yoffset);
609
610 PsPrintf( wxT("%d %d lineto\n"), xx, yy );
611
612 CalcBoundingBox( points[ofs+j].x + xoffset, points[ofs+j].y + yoffset);
613 }
614 }
615 PsPrint( (fillStyle == wxODDEVEN_RULE ? "eofill\n" : "fill\n") );
616 }
617
618 if (m_pen.GetStyle () != wxTRANSPARENT)
619 {
620 SetPen( m_pen );
621
622 PsPrint( "newpath\n" );
623
624 int ofs = 0;
625 for (int i = 0; i < n; ofs += count[i++])
626 {
627 wxCoord xx = LogicalToDeviceX(points[ofs].x + xoffset);
628 wxCoord yy = LogicalToDeviceY(points[ofs].y + yoffset);
629
630 PsPrintf( wxT("%d %d moveto\n"), xx, yy );
631
632 CalcBoundingBox( points[ofs].x + xoffset, points[ofs].y + yoffset );
633
634 for (int j = 1; j < count[i]; j++)
635 {
636 xx = LogicalToDeviceX(points[ofs+j].x + xoffset);
637 yy = LogicalToDeviceY(points[ofs+j].y + yoffset);
638
639 PsPrintf( wxT("%d %d lineto\n"), xx, yy );
640
641 CalcBoundingBox( points[ofs+j].x + xoffset, points[ofs+j].y + yoffset);
642 }
643 }
644 PsPrint( "closepath\n" );
645 PsPrint( "stroke\n" );
646 }
647 }
648
649 void wxPostScriptDC::DoDrawLines (int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
650 {
651 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
652
653 if (m_pen.GetStyle() == wxTRANSPARENT) return;
654
655 if (n <= 0) return;
656
657 SetPen (m_pen);
658
659 int i;
660 for ( i =0; i<n ; i++ )
661 {
662 CalcBoundingBox( LogicalToDeviceX(points[i].x+xoffset), LogicalToDeviceY(points[i].y+yoffset));
663 }
664
665 PsPrintf( wxT("newpath\n")
666 wxT("%d %d moveto\n"),
667 LogicalToDeviceX(points[0].x+xoffset),
668 LogicalToDeviceY(points[0].y+yoffset) );
669
670 for (i = 1; i < n; i++)
671 {
672 PsPrintf( wxT("%d %d lineto\n"),
673 LogicalToDeviceX(points[i].x+xoffset),
674 LogicalToDeviceY(points[i].y+yoffset) );
675 }
676
677 PsPrint( "stroke\n" );
678 }
679
680 void wxPostScriptDC::DoDrawRectangle (wxCoord x, wxCoord y, wxCoord width, wxCoord height)
681 {
682 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
683
684 if (m_brush.GetStyle () != wxTRANSPARENT)
685 {
686 SetBrush( m_brush );
687
688 PsPrintf( wxT("newpath\n")
689 wxT("%d %d moveto\n")
690 wxT("%d %d lineto\n")
691 wxT("%d %d lineto\n")
692 wxT("%d %d lineto\n")
693 wxT("closepath\n")
694 wxT("fill\n"),
695 LogicalToDeviceX(x), LogicalToDeviceY(y),
696 LogicalToDeviceX(x + width), LogicalToDeviceY(y),
697 LogicalToDeviceX(x + width), LogicalToDeviceY(y + height),
698 LogicalToDeviceX(x), LogicalToDeviceY(y + height) );
699
700 CalcBoundingBox( x, y );
701 CalcBoundingBox( x + width, y + height );
702 }
703
704 if (m_pen.GetStyle () != wxTRANSPARENT)
705 {
706 SetPen (m_pen);
707
708 PsPrintf( wxT("newpath\n")
709 wxT("%d %d moveto\n")
710 wxT("%d %d lineto\n")
711 wxT("%d %d lineto\n")
712 wxT("%d %d lineto\n")
713 wxT("closepath\n")
714 wxT("stroke\n"),
715 LogicalToDeviceX(x), LogicalToDeviceY(y),
716 LogicalToDeviceX(x + width), LogicalToDeviceY(y),
717 LogicalToDeviceX(x + width), LogicalToDeviceY(y + height),
718 LogicalToDeviceX(x), LogicalToDeviceY(y + height) );
719
720 CalcBoundingBox( x, y );
721 CalcBoundingBox( x + width, y + height );
722 }
723 }
724
725 void wxPostScriptDC::DoDrawRoundedRectangle (wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
726 {
727 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
728
729 if (radius < 0.0)
730 {
731 // Now, a negative radius is interpreted to mean
732 // 'the proportion of the smallest X or Y dimension'
733 double smallest = width < height ? width : height;
734 radius = (-radius * smallest);
735 }
736
737 wxCoord rad = (wxCoord) radius;
738
739 if (m_brush.GetStyle () != wxTRANSPARENT)
740 {
741 SetBrush( m_brush );
742
743 /* Draw rectangle anticlockwise */
744 PsPrintf( wxT("newpath\n")
745 wxT("%d %d %d 90 180 arc\n")
746 wxT("%d %d lineto\n")
747 wxT("%d %d %d 180 270 arc\n")
748 wxT("%d %d lineto\n")
749 wxT("%d %d %d 270 0 arc\n")
750 wxT("%d %d lineto\n")
751 wxT("%d %d %d 0 90 arc\n")
752 wxT("%d %d lineto\n")
753 wxT("closepath\n")
754 wxT("fill\n"),
755 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
756 LogicalToDeviceX(x), LogicalToDeviceY(y + height - rad),
757 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
758 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height),
759 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
760 LogicalToDeviceX(x + width), LogicalToDeviceY(y + rad),
761 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
762 LogicalToDeviceX(x + rad), LogicalToDeviceY(y) );
763
764 CalcBoundingBox( x, y );
765 CalcBoundingBox( x + width, y + height );
766 }
767
768 if (m_pen.GetStyle () != wxTRANSPARENT)
769 {
770 SetPen (m_pen);
771
772 /* Draw rectangle anticlockwise */
773 PsPrintf( wxT("newpath\n")
774 wxT("%d %d %d 90 180 arc\n")
775 wxT("%d %d lineto\n")
776 wxT("%d %d %d 180 270 arc\n")
777 wxT("%d %d lineto\n")
778 wxT("%d %d %d 270 0 arc\n")
779 wxT("%d %d lineto\n")
780 wxT("%d %d %d 0 90 arc\n")
781 wxT("%d %d lineto\n")
782 wxT("closepath\n")
783 wxT("stroke\n"),
784 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
785 LogicalToDeviceX(x), LogicalToDeviceY(y + height - rad),
786 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
787 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height),
788 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
789 LogicalToDeviceX(x + width), LogicalToDeviceY(y + rad),
790 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
791 LogicalToDeviceX(x + rad), LogicalToDeviceY(y) );
792
793 CalcBoundingBox( x, y );
794 CalcBoundingBox( x + width, y + height );
795 }
796 }
797
798 void wxPostScriptDC::DoDrawEllipse (wxCoord x, wxCoord y, wxCoord width, wxCoord height)
799 {
800 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
801
802 if (m_brush.GetStyle () != wxTRANSPARENT)
803 {
804 SetBrush (m_brush);
805
806 PsPrintf( wxT("newpath\n")
807 wxT("%d %d %d %d 0 360 ellipse\n")
808 wxT("fill\n"),
809 LogicalToDeviceX(x + width / 2), LogicalToDeviceY(y + height / 2),
810 LogicalToDeviceXRel(width / 2), LogicalToDeviceYRel(height / 2) );
811
812 CalcBoundingBox( x - width, y - height );
813 CalcBoundingBox( x + width, y + height );
814 }
815
816 if (m_pen.GetStyle () != wxTRANSPARENT)
817 {
818 SetPen (m_pen);
819
820 PsPrintf( wxT("newpath\n")
821 wxT("%d %d %d %d 0 360 ellipse\n")
822 wxT("stroke\n"),
823 LogicalToDeviceX(x + width / 2), LogicalToDeviceY(y + height / 2),
824 LogicalToDeviceXRel(width / 2), LogicalToDeviceYRel(height / 2) );
825
826 CalcBoundingBox( x - width, y - height );
827 CalcBoundingBox( x + width, y + height );
828 }
829 }
830
831 void wxPostScriptDC::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
832 {
833 DrawBitmap( icon, x, y, true );
834 }
835
836 /* this has to be char, not wxChar */
837 static char hexArray[] = "0123456789ABCDEF";
838
839 void wxPostScriptDC::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool WXUNUSED(useMask) )
840 {
841 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
842
843 if (!bitmap.Ok()) return;
844
845 wxImage image = bitmap.ConvertToImage();
846
847 if (!image.Ok()) return;
848
849 wxCoord w = image.GetWidth();
850 wxCoord h = image.GetHeight();
851
852 wxCoord ww = LogicalToDeviceXRel(image.GetWidth());
853 wxCoord hh = LogicalToDeviceYRel(image.GetHeight());
854
855 wxCoord xx = LogicalToDeviceX(x);
856 wxCoord yy = LogicalToDeviceY(y + bitmap.GetHeight());
857
858 PsPrintf( wxT("/origstate save def\n")
859 wxT("20 dict begin\n")
860 wxT("/pix %d string def\n")
861 wxT("/grays %d string def\n")
862 wxT("/npixels 0 def\n")
863 wxT("/rgbindx 0 def\n")
864 wxT("%d %d translate\n")
865 wxT("%d %d scale\n")
866 wxT("%d %d 8\n")
867 wxT("[%d 0 0 %d 0 %d]\n")
868 wxT("{currentfile pix readhexstring pop}\n")
869 wxT("false 3 colorimage\n"),
870 w, w, xx, yy, ww, hh, w, h, w, -h, h );
871
872 unsigned char* data = image.GetData();
873
874 // size of the buffer = width*rgb(3)*hexa(2)+'\n'
875 wxCharBuffer buffer(w*6 + 1);
876 int firstDigit, secondDigit;
877
878 //rows
879 for (int j = 0; j < h; j++)
880 {
881 char* bufferindex = buffer.data();
882
883 //cols
884 for (int i = 0; i < w*3; i++)
885 {
886 firstDigit = (int)(*data/16.0);
887 secondDigit = (int)(*data - (firstDigit*16.0));
888 *(bufferindex++) = hexArray[firstDigit];
889 *(bufferindex++) = hexArray[secondDigit];
890
891 data++;
892 }
893 *(bufferindex++) = '\n';
894 *bufferindex = 0;
895 PsPrint( buffer );
896 }
897
898 PsPrint( "end\n" );
899 PsPrint( "origstate restore\n" );
900 }
901
902 void wxPostScriptDC::SetFont( const wxFont& font )
903 {
904 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
905
906 if (!font.Ok()) return;
907
908 m_font = font;
909
910 int Style = m_font.GetStyle();
911 int Weight = m_font.GetWeight();
912
913 const char *name;
914 switch (m_font.GetFamily())
915 {
916 case wxTELETYPE:
917 case wxMODERN:
918 {
919 if (Style == wxITALIC)
920 {
921 if (Weight == wxBOLD)
922 name = "/Courier-BoldOblique";
923 else
924 name = "/Courier-Oblique";
925 }
926 else
927 {
928 if (Weight == wxBOLD)
929 name = "/Courier-Bold";
930 else
931 name = "/Courier";
932 }
933 break;
934 }
935 case wxROMAN:
936 {
937 if (Style == wxITALIC)
938 {
939 if (Weight == wxBOLD)
940 name = "/Times-BoldItalic";
941 else
942 name = "/Times-Italic";
943 }
944 else
945 {
946 if (Weight == wxBOLD)
947 name = "/Times-Bold";
948 else
949 name = "/Times-Roman";
950 }
951 break;
952 }
953 case wxSCRIPT:
954 {
955 name = "/ZapfChancery-MediumItalic";
956 break;
957 }
958 case wxSWISS:
959 default:
960 {
961 if (Style == wxITALIC)
962 {
963 if (Weight == wxBOLD)
964 name = "/Helvetica-BoldOblique";
965 else
966 name = "/Helvetica-Oblique";
967 }
968 else
969 {
970 if (Weight == wxBOLD)
971 name = "/Helvetica-Bold";
972 else
973 name = "/Helvetica";
974 }
975 break;
976 }
977 }
978
979 // We may legitimately call SetFont before BeginDoc
980 if (!m_pstream)
981 return;
982
983 PsPrint( name );
984 PsPrint( " reencodeISO def\n" );
985 PsPrint( name );
986 PsPrint( " findfont\n" );
987
988 char buffer[100];
989 sprintf( buffer, "%f scalefont setfont\n", LogicalToDeviceYRel(m_font.GetPointSize() * 1000) / 1000.0F);
990 // this is a hack - we must scale font size (in pts) according to m_scaleY but
991 // LogicalToDeviceYRel works with wxCoord type (int or longint). Se we first convert font size
992 // to 1/1000th of pt and then back.
993 for (int i = 0; i < 100; i++)
994 if (buffer[i] == ',') buffer[i] = '.';
995 PsPrint( buffer );
996 }
997
998 void wxPostScriptDC::SetPen( const wxPen& pen )
999 {
1000 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1001
1002 if (!pen.Ok()) return;
1003
1004 int oldStyle = m_pen.GetStyle();
1005
1006 m_pen = pen;
1007
1008 char buffer[100];
1009 sprintf( buffer, "%f setlinewidth\n", LogicalToDeviceXRel(1000 * m_pen.GetWidth()) / 1000.0f );
1010 for (int i = 0; i < 100; i++)
1011 if (buffer[i] == ',') buffer[i] = '.';
1012 PsPrint( buffer );
1013
1014 /*
1015 Line style - WRONG: 2nd arg is OFFSET
1016
1017 Here, I'm afraid you do not conceive meaning of parameters of 'setdash'
1018 operator correctly. You should look-up this in the Red Book: the 2nd parame-
1019 ter is not number of values in the array of the first one, but an offset
1020 into this description of the pattern. I mean a real *offset* not index
1021 into array. I.e. If the command is [3 4] 1 setdash is used, then there
1022 will be first black line *2* units wxCoord, then space 4 units, then the
1023 pattern of *3* units black, 4 units space will be repeated.
1024 */
1025
1026 static const char *dotted = "[2 5] 2";
1027 static const char *short_dashed = "[4 4] 2";
1028 static const char *wxCoord_dashed = "[4 8] 2";
1029 static const char *dotted_dashed = "[6 6 2 6] 4";
1030
1031 const char *psdash;
1032
1033 switch (m_pen.GetStyle())
1034 {
1035 case wxDOT: psdash = dotted; break;
1036 case wxSHORT_DASH: psdash = short_dashed; break;
1037 case wxLONG_DASH: psdash = wxCoord_dashed; break;
1038 case wxDOT_DASH: psdash = dotted_dashed; break;
1039 case wxUSER_DASH:
1040 {
1041 wxDash *dashes;
1042 int nDashes = m_pen.GetDashes (&dashes);
1043 PsPrint ("[");
1044 for (int i = 0; i < nDashes; ++i)
1045 {
1046 sprintf( buffer, "%d ", dashes [i] );
1047 PsPrint( buffer );
1048 }
1049 PsPrint ("] 0 setdash\n");
1050 psdash = 0;
1051 }
1052 break;
1053 case wxSOLID:
1054 case wxTRANSPARENT:
1055 default: psdash = "[] 0"; break;
1056 }
1057
1058 if ( psdash && (oldStyle != m_pen.GetStyle()) )
1059 {
1060 PsPrint( psdash );
1061 PsPrint( " setdash\n" );
1062 }
1063
1064 // Line colour
1065 unsigned char red = m_pen.GetColour().Red();
1066 unsigned char blue = m_pen.GetColour().Blue();
1067 unsigned char green = m_pen.GetColour().Green();
1068
1069 if (!m_colour)
1070 {
1071 // Anything not white is black
1072 if (! (red == (unsigned char) 255 &&
1073 blue == (unsigned char) 255 &&
1074 green == (unsigned char) 255) )
1075 {
1076 red = (unsigned char) 0;
1077 green = (unsigned char) 0;
1078 blue = (unsigned char) 0;
1079 }
1080 // setgray here ?
1081 }
1082
1083 if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1084 {
1085 double redPS = (double)(red) / 255.0;
1086 double bluePS = (double)(blue) / 255.0;
1087 double greenPS = (double)(green) / 255.0;
1088
1089 sprintf( buffer,
1090 "%.8f %.8f %.8f setrgbcolor\n",
1091 redPS, greenPS, bluePS );
1092 for (int i = 0; i < 100; i++)
1093 if (buffer[i] == ',') buffer[i] = '.';
1094
1095 PsPrint( buffer );
1096
1097 m_currentRed = red;
1098 m_currentBlue = blue;
1099 m_currentGreen = green;
1100 }
1101 }
1102
1103 void wxPostScriptDC::SetBrush( const wxBrush& brush )
1104 {
1105 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1106
1107 if (!brush.Ok()) return;
1108
1109 m_brush = brush;
1110
1111 // Brush colour
1112 unsigned char red = m_brush.GetColour().Red();
1113 unsigned char blue = m_brush.GetColour().Blue();
1114 unsigned char green = m_brush.GetColour().Green();
1115
1116 if (!m_colour)
1117 {
1118 // Anything not white is black
1119 if (! (red == (unsigned char) 255 &&
1120 blue == (unsigned char) 255 &&
1121 green == (unsigned char) 255) )
1122 {
1123 red = (unsigned char) 0;
1124 green = (unsigned char) 0;
1125 blue = (unsigned char) 0;
1126 }
1127 // setgray here ?
1128 }
1129
1130 if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1131 {
1132 double redPS = (double)(red) / 255.0;
1133 double bluePS = (double)(blue) / 255.0;
1134 double greenPS = (double)(green) / 255.0;
1135
1136 char buffer[100];
1137 sprintf( buffer,
1138 "%.8f %.8f %.8f setrgbcolor\n",
1139 redPS, greenPS, bluePS );
1140 for (int i = 0; i < 100; i++)
1141 if (buffer[i] == ',') buffer[i] = '.';
1142
1143 PsPrint( buffer );
1144
1145 m_currentRed = red;
1146 m_currentBlue = blue;
1147 m_currentGreen = green;
1148 }
1149 }
1150
1151 void wxPostScriptDC::DoDrawText( const wxString& text, wxCoord x, wxCoord y )
1152 {
1153 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1154
1155 if (m_textForegroundColour.Ok())
1156 {
1157 unsigned char red = m_textForegroundColour.Red();
1158 unsigned char blue = m_textForegroundColour.Blue();
1159 unsigned char green = m_textForegroundColour.Green();
1160
1161 if (!m_colour)
1162 {
1163 // Anything not white is black
1164 if (! (red == (unsigned char) 255 &&
1165 blue == (unsigned char) 255 &&
1166 green == (unsigned char) 255))
1167 {
1168 red = (unsigned char) 0;
1169 green = (unsigned char) 0;
1170 blue = (unsigned char) 0;
1171 }
1172 }
1173
1174 // maybe setgray here ?
1175 if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1176 {
1177 double redPS = (double)(red) / 255.0;
1178 double bluePS = (double)(blue) / 255.0;
1179 double greenPS = (double)(green) / 255.0;
1180
1181 char buffer[100];
1182 sprintf( buffer,
1183 "%.8f %.8f %.8f setrgbcolor\n",
1184 redPS, greenPS, bluePS );
1185 for (size_t i = 0; i < strlen(buffer); i++)
1186 if (buffer[i] == ',') buffer[i] = '.';
1187 PsPrint( buffer );
1188
1189 m_currentRed = red;
1190 m_currentBlue = blue;
1191 m_currentGreen = green;
1192 }
1193 }
1194
1195 wxCoord text_w, text_h, text_descent;
1196
1197 GetTextExtent(text, &text_w, &text_h, &text_descent);
1198
1199 // VZ: this seems to be unnecessary, so taking it out for now, if it
1200 // doesn't create any problems, remove this comment entirely
1201 //SetFont( m_font );
1202
1203
1204 int size = m_font.GetPointSize();
1205
1206 // wxCoord by = y + (wxCoord)floor( double(size) * 2.0 / 3.0 ); // approximate baseline
1207 // commented by V. Slavik and replaced by accurate version
1208 // - note that there is still rounding error in text_descent!
1209 wxCoord by = y + size - text_descent; // baseline
1210
1211 PsPrintf( wxT("%d %d moveto\n"), LogicalToDeviceX(x), LogicalToDeviceY(by) );
1212 PsPrint( "(" );
1213
1214 const wxWX2MBbuf textbuf = text.mb_str();
1215 size_t len = strlen(textbuf);
1216 size_t i;
1217 for (i = 0; i < len; i++)
1218 {
1219 int c = (unsigned char) textbuf[i];
1220 if (c == ')' || c == '(' || c == '\\')
1221 {
1222 /* Cope with special characters */
1223 PsPrint( "\\" );
1224 PsPrint(c);
1225 }
1226 else if ( c >= 128 )
1227 {
1228 /* Cope with character codes > 127 */
1229 PsPrintf( wxT("\\%o"), c);
1230 }
1231 else
1232 {
1233 PsPrint(c);
1234 }
1235 }
1236
1237 PsPrint( ") show\n" );
1238
1239 if (m_font.GetUnderlined())
1240 {
1241 wxCoord uy = (wxCoord)(y + size - m_underlinePosition);
1242 char buffer[100];
1243
1244 sprintf( buffer,
1245 "gsave\n"
1246 "%d %d moveto\n"
1247 "%f setlinewidth\n"
1248 "%d %d lineto\n"
1249 "stroke\n"
1250 "grestore\n",
1251 LogicalToDeviceX(x), LogicalToDeviceY(uy),
1252 m_underlineThickness,
1253 LogicalToDeviceX(x + text_w), LogicalToDeviceY(uy) );
1254 for (i = 0; i < 100; i++)
1255 if (buffer[i] == ',') buffer[i] = '.';
1256 PsPrint( buffer );
1257 }
1258
1259 CalcBoundingBox( x, y );
1260 CalcBoundingBox( x + size * text.length() * 2/3 , y );
1261 }
1262
1263 void wxPostScriptDC::DoDrawRotatedText( const wxString& text, wxCoord x, wxCoord y, double angle )
1264 {
1265 if ( wxIsNullDouble(angle) )
1266 {
1267 DoDrawText(text, x, y);
1268 return;
1269 }
1270
1271 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1272
1273 SetFont( m_font );
1274
1275 if (m_textForegroundColour.Ok())
1276 {
1277 unsigned char red = m_textForegroundColour.Red();
1278 unsigned char blue = m_textForegroundColour.Blue();
1279 unsigned char green = m_textForegroundColour.Green();
1280
1281 if (!m_colour)
1282 {
1283 // Anything not white is black
1284 if (! (red == (unsigned char) 255 &&
1285 blue == (unsigned char) 255 &&
1286 green == (unsigned char) 255))
1287 {
1288 red = (unsigned char) 0;
1289 green = (unsigned char) 0;
1290 blue = (unsigned char) 0;
1291 }
1292 }
1293
1294 // maybe setgray here ?
1295 if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1296 {
1297 double redPS = (double)(red) / 255.0;
1298 double bluePS = (double)(blue) / 255.0;
1299 double greenPS = (double)(green) / 255.0;
1300
1301 char buffer[100];
1302 sprintf( buffer,
1303 "%.8f %.8f %.8f setrgbcolor\n",
1304 redPS, greenPS, bluePS );
1305 for (int i = 0; i < 100; i++)
1306 if (buffer[i] == ',') buffer[i] = '.';
1307 PsPrint( buffer );
1308
1309 m_currentRed = red;
1310 m_currentBlue = blue;
1311 m_currentGreen = green;
1312 }
1313 }
1314
1315 int size = m_font.GetPointSize();
1316
1317 PsPrintf( wxT("%d %d moveto\n"),
1318 LogicalToDeviceX(x), LogicalToDeviceY(y));
1319
1320 char buffer[100];
1321 sprintf(buffer, "%.8f rotate\n", angle);
1322 size_t i;
1323 for (i = 0; i < 100; i++)
1324 {
1325 if (buffer[i] == ',') buffer[i] = '.';
1326 }
1327 PsPrint( buffer);
1328
1329 PsPrint( "(" );
1330 const wxWX2MBbuf textbuf = text.mb_str();
1331 size_t len = strlen(textbuf);
1332 for (i = 0; i < len; i++)
1333 {
1334 int c = (unsigned char) textbuf[i];
1335 if (c == ')' || c == '(' || c == '\\')
1336 {
1337 /* Cope with special characters */
1338 PsPrint( "\\" );
1339 PsPrint(c);
1340 }
1341 else if ( c >= 128 )
1342 {
1343 /* Cope with character codes > 127 */
1344 PsPrintf( wxT("\\%o"), c);
1345 }
1346 else
1347 {
1348 PsPrint(c);
1349 }
1350 }
1351
1352 PsPrint( ") show\n" );
1353
1354 sprintf( buffer, "%.8f rotate\n", -angle );
1355 for (i = 0; i < 100; i++)
1356 {
1357 if (buffer[i] == ',') buffer[i] = '.';
1358 }
1359 PsPrint( buffer );
1360
1361 if (m_font.GetUnderlined())
1362 {
1363 wxCoord uy = (wxCoord)(y + size - m_underlinePosition);
1364 wxCoord w, h;
1365 GetTextExtent(text, &w, &h);
1366
1367 sprintf( buffer,
1368 "gsave\n"
1369 "%d %d moveto\n"
1370 "%f setlinewidth\n"
1371 "%d %d lineto\n"
1372 "stroke\n"
1373 "grestore\n",
1374 LogicalToDeviceX(x), LogicalToDeviceY(uy),
1375 m_underlineThickness,
1376 LogicalToDeviceX(x + w), LogicalToDeviceY(uy) );
1377 for (i = 0; i < 100; i++)
1378 {
1379 if (buffer[i] == ',') buffer[i] = '.';
1380 }
1381 PsPrint( buffer );
1382 }
1383
1384 CalcBoundingBox( x, y );
1385 CalcBoundingBox( x + size * text.length() * 2/3 , y );
1386 }
1387
1388 void wxPostScriptDC::SetBackground (const wxBrush& brush)
1389 {
1390 m_backgroundBrush = brush;
1391 }
1392
1393 void wxPostScriptDC::SetLogicalFunction (int WXUNUSED(function))
1394 {
1395 wxFAIL_MSG( wxT("wxPostScriptDC::SetLogicalFunction not implemented.") );
1396 }
1397
1398 #if wxUSE_SPLINES
1399 void wxPostScriptDC::DoDrawSpline( wxList *points )
1400 {
1401 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1402
1403 SetPen( m_pen );
1404
1405 // a and b are not used
1406 //double a, b;
1407 double c, d, x1, y1, x2, y2, x3, y3;
1408 wxPoint *p, *q;
1409
1410 wxList::compatibility_iterator node = points->GetFirst();
1411 p = (wxPoint *)node->GetData();
1412 x1 = p->x;
1413 y1 = p->y;
1414
1415 node = node->GetNext();
1416 p = (wxPoint *)node->GetData();
1417 c = p->x;
1418 d = p->y;
1419 x3 =
1420 #if 0
1421 a =
1422 #endif
1423 (double)(x1 + c) / 2;
1424 y3 =
1425 #if 0
1426 b =
1427 #endif
1428 (double)(y1 + d) / 2;
1429
1430 PsPrintf( wxT("newpath\n")
1431 wxT("%d %d moveto\n")
1432 wxT("%d %d lineto\n"),
1433 LogicalToDeviceX((wxCoord)x1), LogicalToDeviceY((wxCoord)y1),
1434 LogicalToDeviceX((wxCoord)x3), LogicalToDeviceY((wxCoord)y3) );
1435
1436 CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1437 CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1438
1439 node = node->GetNext();
1440 while (node)
1441 {
1442 q = (wxPoint *)node->GetData();
1443
1444 x1 = x3;
1445 y1 = y3;
1446 x2 = c;
1447 y2 = d;
1448 c = q->x;
1449 d = q->y;
1450 x3 = (double)(x2 + c) / 2;
1451 y3 = (double)(y2 + d) / 2;
1452
1453 PsPrintf( wxT("%d %d %d %d %d %d DrawSplineSection\n"),
1454 LogicalToDeviceX((wxCoord)x1), LogicalToDeviceY((wxCoord)y1),
1455 LogicalToDeviceX((wxCoord)x2), LogicalToDeviceY((wxCoord)y2),
1456 LogicalToDeviceX((wxCoord)x3), LogicalToDeviceY((wxCoord)y3) );
1457
1458 CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1459 CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1460
1461 node = node->GetNext();
1462 }
1463
1464 /*
1465 At this point, (x2,y2) and (c,d) are the position of the
1466 next-to-last and last point respectively, in the point list
1467 */
1468
1469 PsPrintf( wxT("%d %d lineto\n")
1470 wxT("stroke\n"),
1471 LogicalToDeviceX((wxCoord)c), LogicalToDeviceY((wxCoord)d) );
1472 }
1473 #endif // wxUSE_SPLINES
1474
1475 wxCoord wxPostScriptDC::GetCharWidth() const
1476 {
1477 // Chris Breeze: reasonable approximation using wxMODERN/Courier
1478 return (wxCoord) (GetCharHeight() * 72.0 / 120.0);
1479 }
1480
1481
1482 void wxPostScriptDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
1483 {
1484 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1485
1486 m_signX = (xLeftRight ? 1 : -1);
1487 m_signY = (yBottomUp ? 1 : -1);
1488
1489 ComputeScaleAndOrigin();
1490 }
1491
1492 void wxPostScriptDC::SetDeviceOrigin( wxCoord x, wxCoord y )
1493 {
1494 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1495
1496 int h = 0;
1497 int w = 0;
1498 GetSize( &w, &h );
1499
1500 wxDC::SetDeviceOrigin( x, h-y );
1501 }
1502
1503 void wxPostScriptDC::DoGetSize(int* width, int* height) const
1504 {
1505 wxPaperSize id = m_printData.GetPaperId();
1506
1507 wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(id);
1508
1509 if (!paper) paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
1510
1511 int w = 595;
1512 int h = 842;
1513 if (paper)
1514 {
1515 w = paper->GetSizeDeviceUnits().x;
1516 h = paper->GetSizeDeviceUnits().y;
1517 }
1518
1519 if (m_printData.GetOrientation() == wxLANDSCAPE)
1520 {
1521 int tmp = w;
1522 w = h;
1523 h = tmp;
1524 }
1525
1526 if (width) *width = (int)(w * ms_PSScaleFactor);
1527 if (height) *height = (int)(h * ms_PSScaleFactor);
1528 }
1529
1530 void wxPostScriptDC::DoGetSizeMM(int *width, int *height) const
1531 {
1532 wxPaperSize id = m_printData.GetPaperId();
1533
1534 wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(id);
1535
1536 if (!paper) paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
1537
1538 int w = 210;
1539 int h = 297;
1540 if (paper)
1541 {
1542 w = paper->GetWidth() / 10;
1543 h = paper->GetHeight() / 10;
1544 }
1545
1546 if (m_printData.GetOrientation() == wxLANDSCAPE)
1547 {
1548 int tmp = w;
1549 w = h;
1550 h = tmp;
1551 }
1552
1553 if (width) *width = w;
1554 if (height) *height = h;
1555 }
1556
1557 // Resolution in pixels per logical inch
1558 wxSize wxPostScriptDC::GetPPI(void) const
1559 {
1560 return wxSize((int)(72 * ms_PSScaleFactor),
1561 (int)(72 * ms_PSScaleFactor));
1562 }
1563
1564
1565 bool wxPostScriptDC::StartDoc( const wxString& message )
1566 {
1567 wxCHECK_MSG( m_ok, false, wxT("invalid postscript dc") );
1568
1569 if (m_printData.GetPrintMode() != wxPRINT_MODE_STREAM )
1570 {
1571 if (m_printData.GetFilename() == wxEmptyString)
1572 {
1573 wxString filename = wxGetTempFileName( wxT("ps") );
1574 m_printData.SetFilename(filename);
1575 }
1576
1577 m_pstream = wxFopen( m_printData.GetFilename(), wxT("w+") );
1578
1579 if (!m_pstream)
1580 {
1581 wxLogError( _("Cannot open file for PostScript printing!"));
1582 m_ok = false;
1583 return false;
1584 }
1585 }
1586
1587 m_ok = true;
1588 m_title = message;
1589
1590 PsPrint( "%!PS-Adobe-2.0\n" );
1591 PsPrintf( wxT("%%%%Title: %s\n"), m_title.c_str() );
1592 PsPrint( "%%Creator: wxWidgets PostScript renderer\n" );
1593 PsPrintf( wxT("%%%%CreationDate: %s\n"), wxNow().c_str() );
1594 if (m_printData.GetOrientation() == wxLANDSCAPE)
1595 PsPrint( "%%Orientation: Landscape\n" );
1596 else
1597 PsPrint( "%%Orientation: Portrait\n" );
1598
1599 // PsPrintf( wxT("%%%%Pages: %d\n"), (wxPageNumber - 1) );
1600
1601 const wxChar *paper;
1602 switch (m_printData.GetPaperId())
1603 {
1604 case wxPAPER_LETTER: paper = wxT("Letter"); break; // Letter: paper ""; 8 1/2 by 11 inches
1605 case wxPAPER_LEGAL: paper = wxT("Legal"); break; // Legal, 8 1/2 by 14 inches
1606 case wxPAPER_A4: paper = wxT("A4"); break; // A4 Sheet, 210 by 297 millimeters
1607 case wxPAPER_TABLOID: paper = wxT("Tabloid"); break; // Tabloid, 11 by 17 inches
1608 case wxPAPER_LEDGER: paper = wxT("Ledger"); break; // Ledger, 17 by 11 inches
1609 case wxPAPER_STATEMENT: paper = wxT("Statement"); break; // Statement, 5 1/2 by 8 1/2 inches
1610 case wxPAPER_EXECUTIVE: paper = wxT("Executive"); break; // Executive, 7 1/4 by 10 1/2 inches
1611 case wxPAPER_A3: paper = wxT("A3"); break; // A3 sheet, 297 by 420 millimeters
1612 case wxPAPER_A5: paper = wxT("A5"); break; // A5 sheet, 148 by 210 millimeters
1613 case wxPAPER_B4: paper = wxT("B4"); break; // B4 sheet, 250 by 354 millimeters
1614 case wxPAPER_B5: paper = wxT("B5"); break; // B5 sheet, 182-by-257-millimeter paper
1615 case wxPAPER_FOLIO: paper = wxT("Folio"); break; // Folio, 8-1/2-by-13-inch paper
1616 case wxPAPER_QUARTO: paper = wxT("Quaro"); break; // Quarto, 215-by-275-millimeter paper
1617 case wxPAPER_10X14: paper = wxT("10x14"); break; // 10-by-14-inch sheet
1618 default: paper = wxT("A4");
1619 }
1620 PsPrintf( wxT("%%%%DocumentPaperSizes: %s\n"), paper );
1621 PsPrint( "%%EndComments\n\n" );
1622
1623 PsPrint( "%%BeginProlog\n" );
1624 PsPrint( wxPostScriptHeaderConicTo );
1625 PsPrint( wxPostScriptHeaderEllipse );
1626 PsPrint( wxPostScriptHeaderEllipticArc );
1627 PsPrint( wxPostScriptHeaderColourImage );
1628 PsPrint( wxPostScriptHeaderReencodeISO1 );
1629 PsPrint( wxPostScriptHeaderReencodeISO2 );
1630 if (wxPostScriptHeaderSpline)
1631 PsPrint( wxPostScriptHeaderSpline );
1632 PsPrint( "%%EndProlog\n" );
1633
1634 SetBrush( *wxBLACK_BRUSH );
1635 SetPen( *wxBLACK_PEN );
1636 SetBackground( *wxWHITE_BRUSH );
1637 SetTextForeground( *wxBLACK );
1638
1639 // set origin according to paper size
1640 SetDeviceOrigin( 0,0 );
1641
1642 wxPageNumber = 1;
1643 m_pageNumber = 1;
1644 return true;
1645 }
1646
1647 void wxPostScriptDC::EndDoc ()
1648 {
1649 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1650
1651 if (m_clipping)
1652 {
1653 m_clipping = false;
1654 PsPrint( "grestore\n" );
1655 }
1656
1657 if ( m_pstream ) {
1658 fclose( m_pstream );
1659 m_pstream = (FILE *) NULL;
1660 }
1661
1662 #if 0
1663 // THE FOLLOWING HAS BEEN CONTRIBUTED BY Andy Fyfe <andy@hyperparallel.com>
1664 wxCoord wx_printer_translate_x, wx_printer_translate_y;
1665 double wx_printer_scale_x, wx_printer_scale_y;
1666
1667 wx_printer_translate_x = (wxCoord)m_printData.GetPrinterTranslateX();
1668 wx_printer_translate_y = (wxCoord)m_printData.GetPrinterTranslateY();
1669
1670 wx_printer_scale_x = m_printData.GetPrinterScaleX();
1671 wx_printer_scale_y = m_printData.GetPrinterScaleY();
1672
1673 // Compute the bounding box. Note that it is in the default user
1674 // coordinate system, thus we have to convert the values.
1675 wxCoord minX = (wxCoord) LogicalToDeviceX(m_minX);
1676 wxCoord minY = (wxCoord) LogicalToDeviceY(m_minY);
1677 wxCoord maxX = (wxCoord) LogicalToDeviceX(m_maxX);
1678 wxCoord maxY = (wxCoord) LogicalToDeviceY(m_maxY);
1679
1680 // LOG2DEV may have changed the minimum to maximum vice versa
1681 if ( minX > maxX ) { wxCoord tmp = minX; minX = maxX; maxX = tmp; }
1682 if ( minY > maxY ) { wxCoord tmp = minY; minY = maxY; maxY = tmp; }
1683
1684 // account for used scaling (boundingbox is before scaling in ps-file)
1685 double scale_x = m_printData.GetPrinterScaleX() / ms_PSScaleFactor;
1686 double scale_y = m_printData.GetPrinterScaleY() / ms_PSScaleFactor;
1687
1688 wxCoord llx, lly, urx, ury;
1689 llx = (wxCoord) ((minX+wx_printer_translate_x)*scale_x);
1690 lly = (wxCoord) ((minY+wx_printer_translate_y)*scale_y);
1691 urx = (wxCoord) ((maxX+wx_printer_translate_x)*scale_x);
1692 ury = (wxCoord) ((maxY+wx_printer_translate_y)*scale_y);
1693 // (end of bounding box computation)
1694
1695
1696 // If we're landscape, our sense of "x" and "y" is reversed.
1697 if (m_printData.GetOrientation() == wxLANDSCAPE)
1698 {
1699 wxCoord tmp;
1700 tmp = llx; llx = lly; lly = tmp;
1701 tmp = urx; urx = ury; ury = tmp;
1702
1703 // We need either the two lines that follow, or we need to subtract
1704 // min_x from real_translate_y, which is commented out below.
1705 llx = llx - (wxCoord)(m_minX*wx_printer_scale_y);
1706 urx = urx - (wxCoord)(m_minX*wx_printer_scale_y);
1707 }
1708
1709 // The Adobe specifications call for integers; we round as to make
1710 // the bounding larger.
1711 PsPrintf( wxT("%%%%BoundingBox: %d %d %d %d\n"),
1712 (wxCoord)floor((double)llx), (wxCoord)floor((double)lly),
1713 (wxCoord)ceil((double)urx), (wxCoord)ceil((double)ury) );
1714
1715 // To check the correctness of the bounding box, postscript commands
1716 // to draw a box corresponding to the bounding box are generated below.
1717 // But since we typically don't want to print such a box, the postscript
1718 // commands are generated within comments. These lines appear before any
1719 // adjustment of scale, rotation, or translation, and hence are in the
1720 // default user coordinates.
1721 PsPrint( "% newpath\n" );
1722 PsPrintf( wxT("%% %d %d moveto\n"), llx, lly );
1723 PsPrintf( wxT("%% %d %d lineto\n"), urx, lly );
1724 PsPrintf( wxT("%% %d %d lineto\n"), urx, ury );
1725 PsPrintf( wxT("%% %d %d lineto closepath stroke\n"), llx, ury );
1726 #endif
1727
1728 #ifndef __WXMSW__
1729 wxPostScriptPrintNativeData *data =
1730 (wxPostScriptPrintNativeData *) m_printData.GetNativeData();
1731
1732 if (m_ok && (m_printData.GetPrintMode() == wxPRINT_MODE_PRINTER))
1733 {
1734 wxString command;
1735 command += data->GetPrinterCommand();
1736 command += wxT(" ");
1737 command += data->GetPrinterOptions();
1738 command += wxT(" ");
1739 command += m_printData.GetFilename();
1740
1741 wxExecute( command, true );
1742 wxRemoveFile( m_printData.GetFilename() );
1743 }
1744 #endif
1745 }
1746
1747 void wxPostScriptDC::StartPage()
1748 {
1749 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1750
1751 PsPrintf( wxT("%%%%Page: %d\n"), wxPageNumber++ );
1752
1753 // What is this one supposed to do? RR.
1754 // *m_pstream << "matrix currentmatrix\n";
1755
1756 // Added by Chris Breeze
1757
1758 // Each page starts with an "initgraphics" which resets the
1759 // transformation and so we need to reset the origin
1760 // (and rotate the page for landscape printing)
1761
1762 // Output scaling
1763 wxCoord translate_x, translate_y;
1764 double scale_x, scale_y;
1765
1766 wxPostScriptPrintNativeData *data =
1767 (wxPostScriptPrintNativeData *) m_printData.GetNativeData();
1768
1769 translate_x = (wxCoord)data->GetPrinterTranslateX();
1770 translate_y = (wxCoord)data->GetPrinterTranslateY();
1771
1772 scale_x = data->GetPrinterScaleX();
1773 scale_y = data->GetPrinterScaleY();
1774
1775 if (m_printData.GetOrientation() == wxLANDSCAPE)
1776 {
1777 int h;
1778 GetSize( (int*) NULL, &h );
1779 translate_y -= h;
1780 PsPrint( "90 rotate\n" );
1781 // I copied this one from a PostScript tutorial, but to no avail. RR.
1782 // PsPrint( "90 rotate llx neg ury nef translate\n" );
1783 }
1784
1785 char buffer[100];
1786 sprintf( buffer, "%.8f %.8f scale\n", scale_x / ms_PSScaleFactor,
1787 scale_y / ms_PSScaleFactor);
1788 for (int i = 0; i < 100; i++)
1789 if (buffer[i] == ',') buffer[i] = '.';
1790 PsPrint( buffer );
1791
1792 PsPrintf( wxT("%d %d translate\n"), translate_x, translate_y );
1793 }
1794
1795 void wxPostScriptDC::EndPage ()
1796 {
1797 wxCHECK_RET( m_ok , wxT("invalid postscript dc") );
1798
1799 PsPrint( "showpage\n" );
1800 }
1801
1802 bool wxPostScriptDC::DoBlit( wxCoord xdest, wxCoord ydest,
1803 wxCoord fwidth, wxCoord fheight,
1804 wxDC *source,
1805 wxCoord xsrc, wxCoord ysrc,
1806 int rop, bool WXUNUSED(useMask), wxCoord WXUNUSED(xsrcMask), wxCoord WXUNUSED(ysrcMask) )
1807 {
1808 wxCHECK_MSG( m_ok, false, wxT("invalid postscript dc") );
1809
1810 wxCHECK_MSG( source, false, wxT("invalid source dc") );
1811
1812 /* blit into a bitmap */
1813 wxBitmap bitmap( (int)fwidth, (int)fheight );
1814 wxMemoryDC memDC;
1815 memDC.SelectObject(bitmap);
1816 memDC.Blit(0, 0, fwidth, fheight, source, xsrc, ysrc, rop); /* TODO: Blit transparently? */
1817 memDC.SelectObject(wxNullBitmap);
1818
1819 /* draw bitmap. scaling and positioning is done there */
1820 DrawBitmap( bitmap, xdest, ydest );
1821
1822 return true;
1823 }
1824
1825 wxCoord wxPostScriptDC::GetCharHeight() const
1826 {
1827 if (m_font.Ok())
1828 return m_font.GetPointSize();
1829 else
1830 return 12;
1831 }
1832
1833 void wxPostScriptDC::DoGetTextExtent(const wxString& string,
1834 wxCoord *x, wxCoord *y,
1835 wxCoord *descent, wxCoord *externalLeading,
1836 wxFont *theFont ) const
1837 {
1838 wxFont *fontToUse = theFont;
1839
1840 if (!fontToUse) fontToUse = (wxFont*) &m_font;
1841
1842 wxCHECK_RET( fontToUse, wxT("GetTextExtent: no font defined") );
1843
1844 if (string.empty())
1845 {
1846 if (x) (*x) = 0;
1847 if (y) (*y) = 0;
1848 if (descent) (*descent) = 0;
1849 if (externalLeading) (*externalLeading) = 0;
1850 return;
1851 }
1852
1853 // GTK 2.0
1854
1855 const wxWX2MBbuf strbuf = string.mb_str();
1856
1857 #if !wxUSE_AFM_FOR_POSTSCRIPT
1858 /* Provide a VERY rough estimate (avoid using it).
1859 * Produces accurate results for mono-spaced font
1860 * such as Courier (aka wxMODERN) */
1861
1862 int height = 12;
1863 if (fontToUse)
1864 {
1865 height = fontToUse->GetPointSize();
1866 }
1867 if ( x )
1868 *x = strlen (strbuf) * height * 72 / 120;
1869 if ( y )
1870 *y = (wxCoord) (height * 1.32); /* allow for descender */
1871 if (descent) *descent = 0;
1872 if (externalLeading) *externalLeading = 0;
1873 #else
1874
1875 /* method for calculating string widths in postscript:
1876 / read in the AFM (adobe font metrics) file for the
1877 / actual font, parse it and extract the character widths
1878 / and also the descender. this may be improved, but for now
1879 / it works well. the AFM file is only read in if the
1880 / font is changed. this may be chached in the future.
1881 / calls to GetTextExtent with the font unchanged are rather
1882 / efficient!!!
1883 /
1884 / for each font and style used there is an AFM file necessary.
1885 / currently i have only files for the roman font family.
1886 / I try to get files for the other ones!
1887 /
1888 / CAVE: the size of the string is currently always calculated
1889 / in 'points' (1/72 of an inch). this should later on be
1890 / changed to depend on the mapping mode.
1891 / CAVE: the path to the AFM files must be set before calling this
1892 / function. this is usually done by a call like the following:
1893 / wxSetAFMPath("d:\\wxw161\\afm\\");
1894 /
1895 / example:
1896 /
1897 / wxPostScriptDC dc(NULL, true);
1898 / if (dc.Ok()){
1899 / wxSetAFMPath("d:\\wxw161\\afm\\");
1900 / dc.StartDoc("Test");
1901 / dc.StartPage();
1902 / wxCoord w,h;
1903 / dc.SetFont(new wxFont(10, wxROMAN, wxNORMAL, wxNORMAL));
1904 / dc.GetTextExtent("Hallo",&w,&h);
1905 / dc.EndPage();
1906 / dc.EndDoc();
1907 / }
1908 /
1909 / by steve (stefan.hammes@urz.uni-heidelberg.de)
1910 / created: 10.09.94
1911 / updated: 14.05.95 */
1912
1913 /* these static vars are for storing the state between calls */
1914 static int lastFamily= INT_MIN;
1915 static int lastSize= INT_MIN;
1916 static int lastStyle= INT_MIN;
1917 static int lastWeight= INT_MIN;
1918 static int lastDescender = INT_MIN;
1919 static int lastWidths[256]; /* widths of the characters */
1920
1921 double UnderlinePosition = 0.0;
1922 double UnderlineThickness = 0.0;
1923
1924 // Get actual parameters
1925 int Family = fontToUse->GetFamily();
1926 int Size = fontToUse->GetPointSize();
1927 int Style = fontToUse->GetStyle();
1928 int Weight = fontToUse->GetWeight();
1929
1930 // If we have another font, read the font-metrics
1931 if (Family!=lastFamily || Size!=lastSize || Style!=lastStyle || Weight!=lastWeight)
1932 {
1933 // Store actual values
1934 lastFamily = Family;
1935 lastSize = Size;
1936 lastStyle = Style;
1937 lastWeight = Weight;
1938
1939 const wxChar *name;
1940
1941 switch (Family)
1942 {
1943 case wxMODERN:
1944 case wxTELETYPE:
1945 {
1946 if ((Style == wxITALIC) && (Weight == wxBOLD)) name = wxT("CourBoO.afm");
1947 else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = wxT("CourBo.afm");
1948 else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = wxT("CourO.afm");
1949 else name = wxT("Cour.afm");
1950 break;
1951 }
1952 case wxROMAN:
1953 {
1954 if ((Style == wxITALIC) && (Weight == wxBOLD)) name = wxT("TimesBoO.afm");
1955 else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = wxT("TimesBo.afm");
1956 else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = wxT("TimesO.afm");
1957 else name = wxT("TimesRo.afm");
1958 break;
1959 }
1960 case wxSCRIPT:
1961 {
1962 name = wxT("Zapf.afm");
1963 break;
1964 }
1965 case wxSWISS:
1966 default:
1967 {
1968 if ((Style == wxITALIC) && (Weight == wxBOLD)) name = wxT("HelvBoO.afm");
1969 else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = wxT("HelvBo.afm");
1970 else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = wxT("HelvO.afm");
1971 else name = wxT("Helv.afm");
1972 break;
1973 }
1974 }
1975
1976 FILE *afmFile = NULL;
1977
1978 // Get the directory of the AFM files
1979 wxString afmName;
1980
1981 // VZ: I don't know if the cast always works under Unix but it clearly
1982 // never does under Windows where the pointer is
1983 // wxWindowsPrintNativeData and so calling GetFontMetricPath() on
1984 // it just crashes
1985 #ifndef __WIN32__
1986 wxPostScriptPrintNativeData *data =
1987 wxDynamicCast(m_printData.GetNativeData(), wxPostScriptPrintNativeData);
1988
1989 if (data && !data->GetFontMetricPath().empty())
1990 {
1991 afmName = data->GetFontMetricPath();
1992 afmName << wxFILE_SEP_PATH << name;
1993 }
1994 #endif // __WIN32__
1995
1996 if ( !afmName.empty() )
1997 afmFile = wxFopen(afmName, wxT("r"));
1998
1999 if ( !afmFile )
2000 {
2001 #if defined(__UNIX__) && !defined(__VMS__)
2002 afmName = wxGetDataDir();
2003 #else // !__UNIX__
2004 afmName = wxStandardPaths::Get().GetDataDir();
2005 #endif // __UNIX__/!__UNIX__
2006
2007 afmName << wxFILE_SEP_PATH
2008 #if defined(__LINUX__) || defined(__FREEBSD__)
2009 << wxT("gs_afm") << wxFILE_SEP_PATH
2010 #else
2011 << wxT("afm") << wxFILE_SEP_PATH
2012 #endif
2013 << name;
2014 afmFile = wxFopen(afmName,wxT("r"));
2015 }
2016
2017 /* 2. open and process the file
2018 / a short explanation of the AFM format:
2019 / we have for each character a line, which gives its size
2020 / e.g.:
2021 /
2022 / C 63 ; WX 444 ; N question ; B 49 -14 395 676 ;
2023 /
2024 / that means, we have a character with ascii code 63, and width
2025 / (444/1000 * fontSize) points.
2026 / the other data is ignored for now!
2027 /
2028 / when the font has changed, we read in the right AFM file and store the
2029 / character widths in an array, which is processed below (see point 3.). */
2030 if (afmFile==NULL)
2031 {
2032 wxLogDebug( wxT("GetTextExtent: can't open AFM file '%s'"), afmName.c_str() );
2033 wxLogDebug( wxT(" using approximate values"));
2034 for (int i=0; i<256; i++) lastWidths[i] = 500; /* an approximate value */
2035 lastDescender = -150; /* dito. */
2036 }
2037 else
2038 {
2039 /* init the widths array */
2040 for(int i=0; i<256; i++) lastWidths[i] = INT_MIN;
2041 /* some variables for holding parts of a line */
2042 char cString[10], semiString[10], WXString[10];
2043 char descString[20];
2044 char upString[30], utString[30];
2045 char encString[50];
2046 char line[256];
2047 int ascii,cWidth;
2048 /* read in the file and parse it */
2049 while(fgets(line,sizeof(line),afmFile)!=NULL)
2050 {
2051 /* A.) check for descender definition */
2052 if (strncmp(line,"Descender",9)==0)
2053 {
2054 if ((sscanf(line,"%s%d",descString,&lastDescender)!=2) ||
2055 (strcmp(descString,"Descender")!=0))
2056 {
2057 wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad descender)"), afmName.c_str(),line );
2058 }
2059 }
2060 /* JC 1.) check for UnderlinePosition */
2061 else if(strncmp(line,"UnderlinePosition",17)==0)
2062 {
2063 if ((sscanf(line,"%s%lf",upString,&UnderlinePosition)!=2) ||
2064 (strcmp(upString,"UnderlinePosition")!=0))
2065 {
2066 wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad UnderlinePosition)"), afmName.c_str(), line );
2067 }
2068 }
2069 /* JC 2.) check for UnderlineThickness */
2070 else if(strncmp(line,"UnderlineThickness",18)==0)
2071 {
2072 if ((sscanf(line,"%s%lf",utString,&UnderlineThickness)!=2) ||
2073 (strcmp(utString,"UnderlineThickness")!=0))
2074 {
2075 wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad UnderlineThickness)"), afmName.c_str(), line );
2076 }
2077 }
2078 /* JC 3.) check for EncodingScheme */
2079 else if(strncmp(line,"EncodingScheme",14)==0)
2080 {
2081 if ((sscanf(line,"%s%s",utString,encString)!=2) ||
2082 (strcmp(utString,"EncodingScheme")!=0))
2083 {
2084 wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad EncodingScheme)"), afmName.c_str(), line );
2085 }
2086 else if (strncmp(encString, "AdobeStandardEncoding", 21))
2087 {
2088 wxLogDebug( wxT("AFM-file '%s': line '%s' has error (unsupported EncodingScheme %s)"),
2089 afmName.c_str(),line, encString);
2090 }
2091 }
2092 /* B.) check for char-width */
2093 else if(strncmp(line,"C ",2)==0)
2094 {
2095 if (sscanf(line,"%s%d%s%s%d",cString,&ascii,semiString,WXString,&cWidth)!=5)
2096 {
2097 wxLogDebug(wxT("AFM-file '%s': line '%s' has an error (bad character width)"),afmName.c_str(),line);
2098 }
2099 if(strcmp(cString,"C")!=0 || strcmp(semiString,";")!=0 || strcmp(WXString,"WX")!=0)
2100 {
2101 wxLogDebug(wxT("AFM-file '%s': line '%s' has a format error"),afmName.c_str(),line);
2102 }
2103 /* printf(" char '%c'=%d has width '%d'\n",ascii,ascii,cWidth); */
2104 if (ascii>=0 && ascii<256)
2105 {
2106 lastWidths[ascii] = cWidth; /* store width */
2107 }
2108 else
2109 {
2110 /* MATTHEW: this happens a lot; don't print an error */
2111 /* wxLogDebug("AFM-file '%s': ASCII value %d out of range",afmName.c_str(),ascii); */
2112 }
2113 }
2114 /* C.) ignore other entries. */
2115 }
2116 fclose(afmFile);
2117 }
2118 /* hack to compute correct values for german 'Umlaute'
2119 / the correct way would be to map the character names
2120 / like 'adieresis' to corresp. positions of ISOEnc and read
2121 / these values from AFM files, too. Maybe later ... */
2122
2123 // NB: casts to int are needed to suppress gcc 3.3 warnings
2124 lastWidths[196] = lastWidths[(int)'A']; // Ä
2125 lastWidths[228] = lastWidths[(int)'a']; // ä
2126 lastWidths[214] = lastWidths[(int)'O']; // Ö
2127 lastWidths[246] = lastWidths[(int)'o']; // ö
2128 lastWidths[220] = lastWidths[(int)'U']; // Ü
2129 lastWidths[252] = lastWidths[(int)'u']; // ü
2130 lastWidths[223] = lastWidths[(int)251]; // ß
2131
2132 /* JC: calculate UnderlineThickness/UnderlinePosition */
2133
2134 // VS: dirty, but is there any better solution?
2135 double *pt;
2136 pt = (double*) &m_underlinePosition;
2137 *pt = LogicalToDeviceYRel((wxCoord)(UnderlinePosition * fontToUse->GetPointSize())) / 1000.0f;
2138 pt = (double*) &m_underlineThickness;
2139 *pt = LogicalToDeviceYRel((wxCoord)(UnderlineThickness * fontToUse->GetPointSize())) / 1000.0f;
2140
2141 }
2142
2143
2144 /* 3. now the font metrics are read in, calc size this
2145 / is done by adding the widths of the characters in the
2146 / string. they are given in 1/1000 of the size! */
2147
2148 long sum=0;
2149 wxCoord height=Size; /* by default */
2150 unsigned char *p;
2151 for(p=(unsigned char *)wxMBSTRINGCAST strbuf; *p; p++)
2152 {
2153 if(lastWidths[*p]== INT_MIN)
2154 {
2155 wxLogDebug(wxT("GetTextExtent: undefined width for character '%c' (%d)"), *p,*p);
2156 sum += lastWidths[(unsigned char)' ']; /* assume space */
2157 }
2158 else
2159 {
2160 sum += lastWidths[*p];
2161 }
2162 }
2163
2164 double widthSum = sum;
2165 widthSum *= Size;
2166 widthSum /= 1000.0F;
2167
2168 /* add descender to height (it is usually a negative value) */
2169 //if (lastDescender != INT_MIN)
2170 //{
2171 // height += (wxCoord)(((-lastDescender)/1000.0F) * Size); /* MATTHEW: forgot scale */
2172 //}
2173 // - commented by V. Slavik - height already contains descender in it
2174 // (judging from few experiments)
2175
2176 /* return size values */
2177 if ( x )
2178 *x = (wxCoord)widthSum;
2179 if ( y )
2180 *y = height;
2181
2182 /* return other parameters */
2183 if (descent)
2184 {
2185 if(lastDescender!=INT_MIN)
2186 {
2187 *descent = (wxCoord)(((-lastDescender)/1000.0F) * Size); /* MATTHEW: forgot scale */
2188 }
2189 else
2190 {
2191 *descent = 0;
2192 }
2193 }
2194
2195 /* currently no idea how to calculate this! */
2196 if (externalLeading) *externalLeading = 0;
2197 #endif
2198 // Use AFM
2199 }
2200
2201 // print postscript datas via required method (file, stream)
2202 void wxPostScriptDC::PsPrintf( const wxChar* fmt, ... )
2203 {
2204 va_list argptr;
2205 va_start(argptr, fmt);
2206
2207 PsPrint( wxString::FormatV( fmt, argptr ).c_str() );
2208 }
2209
2210 void wxPostScriptDC::PsPrint( const char* psdata )
2211 {
2212 wxPostScriptPrintNativeData *data =
2213 (wxPostScriptPrintNativeData *) m_printData.GetNativeData();
2214
2215 switch (m_printData.GetPrintMode())
2216 {
2217 #if wxUSE_STREAMS
2218 // append to output stream
2219 case wxPRINT_MODE_STREAM:
2220 {
2221 wxOutputStream* outputstream = data->GetOutputStream();
2222 wxCHECK_RET( outputstream, wxT("invalid outputstream") );
2223 outputstream->Write( psdata, strlen( psdata ) );
2224 }
2225 break;
2226 #endif // wxUSE_STREAMS
2227
2228 // save data into file
2229 default:
2230 wxCHECK_RET( m_pstream, wxT("invalid postscript dc") );
2231 fwrite( psdata, 1, strlen( psdata ), m_pstream );
2232 }
2233 }
2234
2235 void wxPostScriptDC::PsPrint( int ch )
2236 {
2237 wxPostScriptPrintNativeData *data =
2238 (wxPostScriptPrintNativeData *) m_printData.GetNativeData();
2239
2240 switch (m_printData.GetPrintMode())
2241 {
2242 #if wxUSE_STREAMS
2243 // append to output stream
2244 case wxPRINT_MODE_STREAM:
2245 {
2246 wxOutputStream* outputstream = data->GetOutputStream();
2247 wxCHECK_RET( outputstream, wxT("invalid outputstream") );
2248 outputstream->PutC( (char)ch );
2249 }
2250 break;
2251 #endif // wxUSE_STREAMS
2252
2253 // save data into file
2254 default:
2255 wxCHECK_RET( m_pstream, wxT("invalid postscript dc") );
2256 fputc( ch, m_pstream );
2257 }
2258 }
2259
2260 #endif // wxUSE_PRINTING_ARCHITECTURE && wxUSE_POSTSCRIPT
2261
2262 // vi:sts=4:sw=4:et
wxWidgets (Impactor)