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