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[wxWidgets.git] / src / generic / dcpsg.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: 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 and Markus Holzem
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 #ifdef __GNUG__
13 #pragma implementation "dcpsg.h"
14 #endif
15
16 #include "wx/wxprec.h"
17
18 #ifdef __BORLANDC__
19 #pragma hdrstop
20 #endif
21
22 #ifndef WX_PRECOMP
23 #endif // WX_PRECOMP
24
25 #if wxUSE_PRINTING_ARCHITECTURE
26
27 #if wxUSE_POSTSCRIPT
28
29 #include "wx/setup.h"
30
31 #include "wx/window.h"
32 #include "wx/dcmemory.h"
33 #include "wx/utils.h"
34 #include "wx/intl.h"
35 #include "wx/filedlg.h"
36 #include "wx/app.h"
37 #include "wx/msgdlg.h"
38 #include "wx/image.h"
39 #include "wx/log.h"
40 #include "wx/generic/dcpsg.h"
41 #include "wx/printdlg.h"
42 #include "wx/button.h"
43 #include "wx/stattext.h"
44 #include "wx/radiobox.h"
45 #include "wx/textctrl.h"
46 #include "wx/prntbase.h"
47 #include "wx/paper.h"
48 #include "wx/filefn.h"
49
50 #include <math.h>
51
52 #ifdef __WXMSW__
53
54 #ifdef DrawText
55 #undef DrawText
56 #endif
57
58 #ifdef StartDoc
59 #undef StartDoc
60 #endif
61
62 #ifdef GetCharWidth
63 #undef GetCharWidth
64 #endif
65
66 #ifdef FindWindow
67 #undef FindWindow
68 #endif
69
70 #endif
71
72 //-----------------------------------------------------------------------------
73 // start and end of document/page
74 //-----------------------------------------------------------------------------
75
76 static const char *wxPostScriptHeaderConicTo = "\
77 /conicto {\n\
78 /to_y exch def\n\
79 /to_x exch def\n\
80 /conic_cntrl_y exch def\n\
81 /conic_cntrl_x exch def\n\
82 currentpoint\n\
83 /p0_y exch def\n\
84 /p0_x exch def\n\
85 /p1_x p0_x conic_cntrl_x p0_x sub 2 3 div mul add def\n\
86 /p1_y p0_y conic_cntrl_y p0_y sub 2 3 div mul add def\n\
87 /p2_x p1_x to_x p0_x sub 1 3 div mul add def\n\
88 /p2_y p1_y to_y p0_y sub 1 3 div mul add def\n\
89 p1_x p1_y p2_x p2_y to_x to_y curveto\n\
90 } bind def\n\
91 ";
92
93 static const char *wxPostScriptHeaderEllipse = "\
94 /ellipsedict 8 dict def\n\
95 ellipsedict /mtrx matrix put\n\
96 /ellipse {\n\
97 ellipsedict begin\n\
98 /endangle exch def\n\
99 /startangle exch def\n\
100 /yrad exch def\n\
101 /xrad exch def\n\
102 /y exch def\n\
103 /x exch def\n\
104 /savematrix mtrx currentmatrix def\n\
105 x y translate\n\
106 xrad yrad scale\n\
107 0 0 1 startangle endangle arc\n\
108 savematrix setmatrix\n\
109 end\n\
110 } def\n\
111 ";
112
113 static const char *wxPostScriptHeaderEllipticArc= "\
114 /ellipticarcdict 8 dict def\n\
115 ellipticarcdict /mtrx matrix put\n\
116 /ellipticarc\n\
117 { ellipticarcdict begin\n\
118 /do_fill exch def\n\
119 /endangle exch def\n\
120 /startangle exch def\n\
121 /yrad exch def\n\
122 /xrad exch def \n\
123 /y exch def\n\
124 /x exch def\n\
125 /savematrix mtrx currentmatrix def\n\
126 x y translate\n\
127 xrad yrad scale\n\
128 do_fill { 0 0 moveto } if\n\
129 0 0 1 startangle endangle arc\n\
130 savematrix setmatrix\n\
131 do_fill { fill }{ stroke } ifelse\n\
132 end\n\
133 } def\n";
134
135 static const char *wxPostScriptHeaderSpline = "\
136 /DrawSplineSection {\n\
137 /y3 exch def\n\
138 /x3 exch def\n\
139 /y2 exch def\n\
140 /x2 exch def\n\
141 /y1 exch def\n\
142 /x1 exch def\n\
143 /xa x1 x2 x1 sub 0.666667 mul add def\n\
144 /ya y1 y2 y1 sub 0.666667 mul add def\n\
145 /xb x3 x2 x3 sub 0.666667 mul add def\n\
146 /yb y3 y2 y3 sub 0.666667 mul add def\n\
147 x1 y1 lineto\n\
148 xa ya xb yb x3 y3 curveto\n\
149 } def\n\
150 ";
151
152 static const char *wxPostScriptHeaderColourImage = "\
153 %% define 'colorimage' if it isn't defined\n\
154 %% ('colortogray' and 'mergeprocs' come from xwd2ps\n\
155 %% via xgrab)\n\
156 /colorimage where %% do we know about 'colorimage'?\n\
157 { pop } %% yes: pop off the 'dict' returned\n\
158 { %% no: define one\n\
159 /colortogray { %% define an RGB->I function\n\
160 /rgbdata exch store %% call input 'rgbdata'\n\
161 rgbdata length 3 idiv\n\
162 /npixls exch store\n\
163 /rgbindx 0 store\n\
164 0 1 npixls 1 sub {\n\
165 grays exch\n\
166 rgbdata rgbindx get 20 mul %% Red\n\
167 rgbdata rgbindx 1 add get 32 mul %% Green\n\
168 rgbdata rgbindx 2 add get 12 mul %% Blue\n\
169 add add 64 idiv %% I = .5G + .31R + .18B\n\
170 put\n\
171 /rgbindx rgbindx 3 add store\n\
172 } for\n\
173 grays 0 npixls getinterval\n\
174 } bind def\n\
175 \n\
176 %% Utility procedure for colorimage operator.\n\
177 %% This procedure takes two procedures off the\n\
178 %% stack and merges them into a single procedure.\n\
179 \n\
180 /mergeprocs { %% def\n\
181 dup length\n\
182 3 -1 roll\n\
183 dup\n\
184 length\n\
185 dup\n\
186 5 1 roll\n\
187 3 -1 roll\n\
188 add\n\
189 array cvx\n\
190 dup\n\
191 3 -1 roll\n\
192 0 exch\n\
193 putinterval\n\
194 dup\n\
195 4 2 roll\n\
196 putinterval\n\
197 } bind def\n\
198 \n\
199 /colorimage { %% def\n\
200 pop pop %% remove 'false 3' operands\n\
201 {colortogray} mergeprocs\n\
202 image\n\
203 } bind def\n\
204 } ifelse %% end of 'false' case\n\
205 ";
206
207 #ifndef __WXGTK20__
208 static char wxPostScriptHeaderReencodeISO1[] =
209 "\n/reencodeISO {\n"
210 "dup dup findfont dup length dict begin\n"
211 "{ 1 index /FID ne { def }{ pop pop } ifelse } forall\n"
212 "/Encoding ISOLatin1Encoding def\n"
213 "currentdict end definefont\n"
214 "} def\n"
215 "/ISOLatin1Encoding [\n"
216 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
217 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
218 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
219 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
220 "/space/exclam/quotedbl/numbersign/dollar/percent/ampersand/quoteright\n"
221 "/parenleft/parenright/asterisk/plus/comma/minus/period/slash\n"
222 "/zero/one/two/three/four/five/six/seven/eight/nine/colon/semicolon\n"
223 "/less/equal/greater/question/at/A/B/C/D/E/F/G/H/I/J/K/L/M/N\n"
224 "/O/P/Q/R/S/T/U/V/W/X/Y/Z/bracketleft/backslash/bracketright\n"
225 "/asciicircum/underscore/quoteleft/a/b/c/d/e/f/g/h/i/j/k/l/m\n"
226 "/n/o/p/q/r/s/t/u/v/w/x/y/z/braceleft/bar/braceright/asciitilde\n"
227 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
228 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
229 "/.notdef/dotlessi/grave/acute/circumflex/tilde/macron/breve\n"
230 "/dotaccent/dieresis/.notdef/ring/cedilla/.notdef/hungarumlaut\n";
231
232 static char wxPostScriptHeaderReencodeISO2[] =
233 "/ogonek/caron/space/exclamdown/cent/sterling/currency/yen/brokenbar\n"
234 "/section/dieresis/copyright/ordfeminine/guillemotleft/logicalnot\n"
235 "/hyphen/registered/macron/degree/plusminus/twosuperior/threesuperior\n"
236 "/acute/mu/paragraph/periodcentered/cedilla/onesuperior/ordmasculine\n"
237 "/guillemotright/onequarter/onehalf/threequarters/questiondown\n"
238 "/Agrave/Aacute/Acircumflex/Atilde/Adieresis/Aring/AE/Ccedilla\n"
239 "/Egrave/Eacute/Ecircumflex/Edieresis/Igrave/Iacute/Icircumflex\n"
240 "/Idieresis/Eth/Ntilde/Ograve/Oacute/Ocircumflex/Otilde/Odieresis\n"
241 "/multiply/Oslash/Ugrave/Uacute/Ucircumflex/Udieresis/Yacute\n"
242 "/Thorn/germandbls/agrave/aacute/acircumflex/atilde/adieresis\n"
243 "/aring/ae/ccedilla/egrave/eacute/ecircumflex/edieresis/igrave\n"
244 "/iacute/icircumflex/idieresis/eth/ntilde/ograve/oacute/ocircumflex\n"
245 "/otilde/odieresis/divide/oslash/ugrave/uacute/ucircumflex/udieresis\n"
246 "/yacute/thorn/ydieresis\n"
247 "] def\n\n";
248 #endif
249
250 //-------------------------------------------------------------------------------
251 // wxPostScriptDC
252 //-------------------------------------------------------------------------------
253
254 IMPLEMENT_DYNAMIC_CLASS(wxPostScriptDC, wxDC)
255
256 float wxPostScriptDC::ms_PSScaleFactor = 10.0;
257
258 void wxPostScriptDC::SetResolution(int ppi)
259 {
260 ms_PSScaleFactor = (float)ppi / 72.0;
261 }
262
263 int wxPostScriptDC::GetResolution()
264 {
265 return (int)(ms_PSScaleFactor * 72.0);
266 }
267
268 //-------------------------------------------------------------------------------
269
270 wxPostScriptDC::wxPostScriptDC ()
271 {
272 m_pstream = (FILE*) NULL;
273
274 m_currentRed = 0;
275 m_currentGreen = 0;
276 m_currentBlue = 0;
277
278 m_pageNumber = 0;
279
280 m_clipping = FALSE;
281
282 m_underlinePosition = 0.0;
283 m_underlineThickness = 0.0;
284
285 m_signX = 1; // default x-axis left to right
286 m_signY = -1; // default y-axis bottom up -> top down
287 }
288
289 wxPostScriptDC::wxPostScriptDC (const wxPrintData& printData)
290 {
291 m_pstream = (FILE*) NULL;
292
293 m_currentRed = 0;
294 m_currentGreen = 0;
295 m_currentBlue = 0;
296
297 m_pageNumber = 0;
298
299 m_clipping = FALSE;
300
301 m_underlinePosition = 0.0;
302 m_underlineThickness = 0.0;
303
304 m_signX = 1; // default x-axis left to right
305 m_signY = -1; // default y-axis bottom up -> top down
306
307 m_printData = printData;
308
309 m_ok = TRUE;
310 }
311
312 wxPostScriptDC::~wxPostScriptDC ()
313 {
314 if (m_pstream)
315 {
316 fclose( m_pstream );
317 m_pstream = (FILE*) NULL;
318 }
319 }
320
321 #if WXWIN_COMPATIBILITY_2_2
322 bool wxPostScriptDC::Create( const wxString &output, bool interactive, wxWindow *parent )
323 {
324 wxPrintData data;
325 data.SetFilename( output );
326 data.SetPrintMode( wxPRINT_MODE_FILE );
327
328 if (interactive)
329 {
330 wxPrintDialogData ddata( data );
331 wxPrintDialog dialog( parent, &data );
332 dialog.GetPrintDialogData().SetSetupDialog(TRUE);
333 if (dialog.ShowModal() != wxID_OK)
334 {
335 m_ok = FALSE;
336 return FALSE;
337 }
338 data = dialog.GetPrintDialogData().GetPrintData();
339 }
340
341 return TRUE;
342 }
343 #endif
344
345
346 bool wxPostScriptDC::Ok() const
347 {
348 return m_ok;
349 }
350
351 void wxPostScriptDC::DoSetClippingRegion (wxCoord x, wxCoord y, wxCoord w, wxCoord h)
352 {
353 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
354
355 if (m_clipping) DestroyClippingRegion();
356
357 wxDC::DoSetClippingRegion(x, y, w, h);
358
359 m_clipping = TRUE;
360 fprintf( m_pstream,
361 "gsave\n newpath\n"
362 "%d %d moveto\n"
363 "%d %d lineto\n"
364 "%d %d lineto\n"
365 "%d %d lineto\n"
366 "closepath clip newpath\n",
367 LogicalToDeviceX(x), LogicalToDeviceY(y),
368 LogicalToDeviceX(x+w), LogicalToDeviceY(y),
369 LogicalToDeviceX(x+w), LogicalToDeviceY(y+h),
370 LogicalToDeviceX(x), LogicalToDeviceY(y+h) );
371 }
372
373
374 void wxPostScriptDC::DestroyClippingRegion()
375 {
376 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
377
378 if (m_clipping)
379 {
380 m_clipping = FALSE;
381 fprintf( m_pstream, "grestore\n" );
382 }
383
384 wxDC::DestroyClippingRegion();
385 }
386
387 void wxPostScriptDC::Clear()
388 {
389 wxFAIL_MSG( wxT("wxPostScriptDC::Clear not implemented.") );
390 }
391
392 bool wxPostScriptDC::DoFloodFill (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), const wxColour &WXUNUSED(col), int WXUNUSED(style))
393 {
394 wxFAIL_MSG( wxT("wxPostScriptDC::FloodFill not implemented.") );
395 return FALSE;
396 }
397
398 bool wxPostScriptDC::DoGetPixel (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), wxColour * WXUNUSED(col)) const
399 {
400 wxFAIL_MSG( wxT("wxPostScriptDC::GetPixel not implemented.") );
401 return FALSE;
402 }
403
404 void wxPostScriptDC::DoCrossHair (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y))
405 {
406 wxFAIL_MSG( wxT("wxPostScriptDC::CrossHair not implemented.") );
407 }
408
409 void wxPostScriptDC::DoDrawLine (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
410 {
411 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
412
413 if (m_pen.GetStyle() == wxTRANSPARENT) return;
414
415 SetPen( m_pen );
416
417 fprintf( m_pstream,
418 "newpath\n"
419 "%d %d moveto\n"
420 "%d %d lineto\n"
421 "stroke\n",
422 LogicalToDeviceX(x1), LogicalToDeviceY(y1),
423 LogicalToDeviceX(x2), LogicalToDeviceY (y2) );
424
425 CalcBoundingBox( x1, y1 );
426 CalcBoundingBox( x2, y2 );
427 }
428
429 #define RAD2DEG 57.29577951308
430
431 void wxPostScriptDC::DoDrawArc (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc)
432 {
433 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
434
435 wxCoord dx = x1 - xc;
436 wxCoord dy = y1 - yc;
437 wxCoord radius = (wxCoord) sqrt( (double)(dx*dx+dy*dy) );
438 double alpha1, alpha2;
439
440 if (x1 == x2 && y1 == y2)
441 {
442 alpha1 = 0.0;
443 alpha2 = 360.0;
444 }
445 else if (radius == 0.0)
446 {
447 alpha1 = alpha2 = 0.0;
448 }
449 else
450 {
451 alpha1 = (x1 - xc == 0) ?
452 (y1 - yc < 0) ? 90.0 : -90.0 :
453 -atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
454 alpha2 = (x2 - xc == 0) ?
455 (y2 - yc < 0) ? 90.0 : -90.0 :
456 -atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
457 }
458 while (alpha1 <= 0) alpha1 += 360;
459 while (alpha2 <= 0) alpha2 += 360; // adjust angles to be between
460 while (alpha1 > 360) alpha1 -= 360; // 0 and 360 degree
461 while (alpha2 > 360) alpha2 -= 360;
462
463 if (m_brush.GetStyle() != wxTRANSPARENT)
464 {
465 SetBrush( m_brush );
466
467 fprintf( m_pstream,
468 "newpath\n"
469 "%d %d %d %d %d %d ellipse\n"
470 "%d %d lineto\n"
471 "closepath\n"
472 "fill\n",
473 LogicalToDeviceX(xc), LogicalToDeviceY(yc), LogicalToDeviceXRel(radius), LogicalToDeviceYRel(radius), (wxCoord)alpha1, (wxCoord) alpha2,
474 LogicalToDeviceX(xc), LogicalToDeviceY(yc) );
475
476 CalcBoundingBox( xc-radius, yc-radius );
477 CalcBoundingBox( xc+radius, yc+radius );
478 }
479
480 if (m_pen.GetStyle() != wxTRANSPARENT)
481 {
482 SetPen( m_pen );
483
484 fprintf( m_pstream,
485 "newpath\n"
486 "%d %d %d %d %d %d ellipse\n"
487 "%d %d lineto\n"
488 "stroke\n"
489 "fill\n",
490 LogicalToDeviceX(xc), LogicalToDeviceY(yc), LogicalToDeviceXRel(radius), LogicalToDeviceYRel(radius), (wxCoord)alpha1, (wxCoord) alpha2,
491 LogicalToDeviceX(xc), LogicalToDeviceY(yc) );
492
493 CalcBoundingBox( xc-radius, yc-radius );
494 CalcBoundingBox( xc+radius, yc+radius );
495 }
496 }
497
498 void wxPostScriptDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
499 {
500 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
501
502 if (sa>=360 || sa<=-360) sa=sa-int(sa/360)*360;
503 if (ea>=360 || ea<=-360) ea=ea-int(ea/360)*360;
504 if (sa<0) sa+=360;
505 if (ea<0) ea+=360;
506
507 if (sa==ea)
508 {
509 DrawEllipse(x,y,w,h);
510 return;
511 }
512
513 if (m_brush.GetStyle () != wxTRANSPARENT)
514 {
515 SetBrush( m_brush );
516
517 fprintf( m_pstream,
518 "newpath\n"
519 "%d %d %d %d %d %d true ellipticarc\n",
520 LogicalToDeviceX(x+w/2), LogicalToDeviceY(y+h/2), LogicalToDeviceXRel(w/2), LogicalToDeviceYRel(h/2), (wxCoord)sa, (wxCoord)ea );
521
522 CalcBoundingBox( x ,y );
523 CalcBoundingBox( x+w, y+h );
524 }
525
526 if (m_pen.GetStyle () != wxTRANSPARENT)
527 {
528 SetPen( m_pen );
529
530 fprintf(m_pstream,
531 "newpath\n"
532 "%d %d %d %d %d %d false ellipticarc\n",
533 LogicalToDeviceX(x+w/2), LogicalToDeviceY(y+h/2), LogicalToDeviceXRel(w/2), LogicalToDeviceYRel(h/2), (wxCoord)sa, (wxCoord)ea );
534
535 CalcBoundingBox( x ,y );
536 CalcBoundingBox( x+w, y+h );
537 }
538 }
539
540 void wxPostScriptDC::DoDrawPoint (wxCoord x, wxCoord y)
541 {
542 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
543
544 if (m_pen.GetStyle() == wxTRANSPARENT) return;
545
546 SetPen (m_pen);
547
548 fprintf( m_pstream,
549 "newpath\n"
550 "%d %d moveto\n"
551 "%d %d lineto\n"
552 "stroke\n",
553 LogicalToDeviceX(x), LogicalToDeviceY(y),
554 LogicalToDeviceX(x+1), LogicalToDeviceY(y) );
555
556 CalcBoundingBox( x, y );
557 }
558
559 void wxPostScriptDC::DoDrawPolygon (int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int WXUNUSED(fillStyle))
560 {
561 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
562
563 if (n <= 0) return;
564
565 if (m_brush.GetStyle () != wxTRANSPARENT)
566 {
567 SetBrush( m_brush );
568
569 fprintf( m_pstream, "newpath\n" );
570
571 wxCoord xx = LogicalToDeviceX(points[0].x + xoffset);
572 wxCoord yy = LogicalToDeviceY(points[0].y + yoffset);
573
574 fprintf( m_pstream, "%d %d moveto\n", xx, yy );
575
576 CalcBoundingBox( points[0].x + xoffset, points[0].y + yoffset );
577
578 for (int i = 1; i < n; i++)
579 {
580 xx = LogicalToDeviceX(points[i].x + xoffset);
581 yy = LogicalToDeviceY(points[i].y + yoffset);
582
583 fprintf( m_pstream, "%d %d lineto\n", xx, yy );
584
585 CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset);
586 }
587
588 fprintf( m_pstream, "fill\n" );
589 }
590
591 if (m_pen.GetStyle () != wxTRANSPARENT)
592 {
593 SetPen( m_pen );
594
595 fprintf( m_pstream, "newpath\n" );
596
597 wxCoord xx = LogicalToDeviceX(points[0].x + xoffset);
598 wxCoord yy = LogicalToDeviceY(points[0].y + yoffset);
599
600 fprintf( m_pstream, "%d %d moveto\n", xx, yy );
601
602 CalcBoundingBox( points[0].x + xoffset, points[0].y + yoffset );
603
604 for (int i = 1; i < n; i++)
605 {
606 xx = LogicalToDeviceX(points[i].x + xoffset);
607 yy = LogicalToDeviceY(points[i].y + yoffset);
608
609 fprintf( m_pstream, "%d %d lineto\n", xx, yy );
610
611 CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset);
612 }
613
614 fprintf( m_pstream, "closepath\n" );
615 fprintf( m_pstream, "stroke\n" );
616 }
617 }
618
619 void wxPostScriptDC::DoDrawLines (int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
620 {
621 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
622
623 if (m_pen.GetStyle() == wxTRANSPARENT) return;
624
625 if (n <= 0) return;
626
627 SetPen (m_pen);
628
629 int i;
630 for ( i =0; i<n ; i++ )
631 {
632 CalcBoundingBox( LogicalToDeviceX(points[i].x+xoffset), LogicalToDeviceY(points[i].y+yoffset));
633 }
634
635 fprintf( m_pstream,
636 "newpath\n"
637 "%d %d moveto\n",
638 LogicalToDeviceX(points[0].x+xoffset), LogicalToDeviceY(points[0].y+yoffset) );
639
640 for (i = 1; i < n; i++)
641 {
642 fprintf( m_pstream,
643 "%d %d lineto\n",
644 LogicalToDeviceX(points[i].x+xoffset), LogicalToDeviceY(points[i].y+yoffset) );
645 }
646
647 fprintf( m_pstream, "stroke\n" );
648 }
649
650 void wxPostScriptDC::DoDrawRectangle (wxCoord x, wxCoord y, wxCoord width, wxCoord height)
651 {
652 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
653
654 if (m_brush.GetStyle () != wxTRANSPARENT)
655 {
656 SetBrush( m_brush );
657
658 fprintf( m_pstream,
659 "newpath\n"
660 "%d %d moveto\n"
661 "%d %d lineto\n"
662 "%d %d lineto\n"
663 "%d %d lineto\n"
664 "closepath\n"
665 "fill\n",
666 LogicalToDeviceX(x), LogicalToDeviceY(y),
667 LogicalToDeviceX(x + width), LogicalToDeviceY(y),
668 LogicalToDeviceX(x + width), LogicalToDeviceY(y + height),
669 LogicalToDeviceX(x), LogicalToDeviceY(y + height) );
670
671 CalcBoundingBox( x, y );
672 CalcBoundingBox( x + width, y + height );
673 }
674
675 if (m_pen.GetStyle () != wxTRANSPARENT)
676 {
677 SetPen (m_pen);
678
679 fprintf( m_pstream,
680 "newpath\n"
681 "%d %d moveto\n"
682 "%d %d lineto\n"
683 "%d %d lineto\n"
684 "%d %d lineto\n"
685 "closepath\n"
686 "stroke\n",
687 LogicalToDeviceX(x), LogicalToDeviceY(y),
688 LogicalToDeviceX(x + width), LogicalToDeviceY(y),
689 LogicalToDeviceX(x + width), LogicalToDeviceY(y + height),
690 LogicalToDeviceX(x), LogicalToDeviceY(y + height) );
691
692 CalcBoundingBox( x, y );
693 CalcBoundingBox( x + width, y + height );
694 }
695 }
696
697 void wxPostScriptDC::DoDrawRoundedRectangle (wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
698 {
699 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
700
701 if (radius < 0.0)
702 {
703 // Now, a negative radius is interpreted to mean
704 // 'the proportion of the smallest X or Y dimension'
705 double smallest = 0.0;
706 if (width < height)
707 smallest = width;
708 else
709 smallest = height;
710 radius = (-radius * smallest);
711 }
712
713 wxCoord rad = (wxCoord) radius;
714
715 if (m_brush.GetStyle () != wxTRANSPARENT)
716 {
717 SetBrush( m_brush );
718
719 /* Draw rectangle anticlockwise */
720 fprintf( m_pstream,
721 "newpath\n"
722 "%d %d %d 90 180 arc\n"
723 "%d %d moveto\n"
724 "%d %d %d 180 270 arc\n"
725 "%d %d lineto\n"
726 "%d %d %d 270 0 arc\n"
727 "%d %d lineto\n"
728 "%d %d %d 0 90 arc\n"
729 "%d %d lineto\n"
730 "closepath\n"
731 "fill\n",
732 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
733 LogicalToDeviceX(x), LogicalToDeviceY(y + rad),
734 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
735 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height),
736 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
737 LogicalToDeviceX(x + width), LogicalToDeviceY(y + rad),
738 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
739 LogicalToDeviceX(x + rad), LogicalToDeviceY(y) );
740
741 CalcBoundingBox( x, y );
742 CalcBoundingBox( x + width, y + height );
743 }
744
745 if (m_pen.GetStyle () != wxTRANSPARENT)
746 {
747 SetPen (m_pen);
748
749 /* Draw rectangle anticlockwise */
750 fprintf( m_pstream,
751 "newpath\n"
752 "%d %d %d 90 180 arc\n"
753 "%d %d moveto\n"
754 "%d %d %d 180 270 arc\n"
755 "%d %d lineto\n"
756 "%d %d %d 270 0 arc\n"
757 "%d %d lineto\n"
758 "%d %d %d 0 90 arc\n"
759 "%d %d lineto\n"
760 "closepath\n"
761 "stroke\n",
762 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
763 LogicalToDeviceX(x), LogicalToDeviceY(y + rad),
764 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
765 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height),
766 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
767 LogicalToDeviceX(x + width), LogicalToDeviceY(y + rad),
768 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
769 LogicalToDeviceX(x + rad), LogicalToDeviceY(y) );
770
771 CalcBoundingBox( x, y );
772 CalcBoundingBox( x + width, y + height );
773 }
774 }
775
776 void wxPostScriptDC::DoDrawEllipse (wxCoord x, wxCoord y, wxCoord width, wxCoord height)
777 {
778 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
779
780 if (m_brush.GetStyle () != wxTRANSPARENT)
781 {
782 SetBrush (m_brush);
783
784 fprintf( m_pstream,
785 "newpath\n"
786 "%d %d %d %d 0 360 ellipse\n"
787 "fill\n",
788 LogicalToDeviceX(x + width / 2), LogicalToDeviceY(y + height / 2),
789 LogicalToDeviceXRel(width / 2), LogicalToDeviceYRel(height / 2) );
790
791 CalcBoundingBox( x - width, y - height );
792 CalcBoundingBox( x + width, y + height );
793 }
794
795 if (m_pen.GetStyle () != wxTRANSPARENT)
796 {
797 SetPen (m_pen);
798
799 fprintf( m_pstream,
800 "newpath\n"
801 "%d %d %d %d 0 360 ellipse\n"
802 "stroke\n",
803 LogicalToDeviceX(x + width / 2), LogicalToDeviceY(y + height / 2),
804 LogicalToDeviceXRel(width / 2), LogicalToDeviceYRel(height / 2) );
805
806 CalcBoundingBox( x - width, y - height );
807 CalcBoundingBox( x + width, y + height );
808 }
809 }
810
811 void wxPostScriptDC::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
812 {
813 DrawBitmap( icon, x, y, TRUE );
814 }
815
816 /* this has to be char, not wxChar */
817 static char hexArray[] = "0123456789ABCDEF";
818 static void LocalDecToHex( int dec, char *buf )
819 {
820 int firstDigit = (int)(dec/16.0);
821 int secondDigit = (int)(dec - (firstDigit*16.0));
822 buf[0] = hexArray[firstDigit];
823 buf[1] = hexArray[secondDigit];
824 buf[2] = 0;
825 }
826
827 void wxPostScriptDC::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool WXUNUSED(useMask) )
828 {
829 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
830
831 if (!bitmap.Ok()) return;
832
833 wxImage image = bitmap.ConvertToImage();
834
835 if (!image.Ok()) return;
836
837 wxCoord w = image.GetWidth();
838 wxCoord h = image.GetHeight();
839
840 wxCoord ww = LogicalToDeviceXRel(image.GetWidth());
841 wxCoord hh = LogicalToDeviceYRel(image.GetHeight());
842
843 wxCoord xx = LogicalToDeviceX(x);
844 wxCoord yy = LogicalToDeviceY(y + bitmap.GetHeight());
845
846 fprintf( m_pstream,
847 "/origstate save def\n"
848 "20 dict begin\n"
849 "/pix %d string def\n"
850 "/grays %d string def\n"
851 "/npixels 0 def\n"
852 "/rgbindx 0 def\n"
853 "%d %d translate\n"
854 "%d %d scale\n"
855 "%d %d 8\n"
856 "[%d 0 0 %d 0 %d]\n"
857 "{currentfile pix readhexstring pop}\n"
858 "false 3 colorimage\n",
859 w, w, xx, yy, ww, hh, w, h, w, -h, h );
860
861
862 for (int j = 0; j < h; j++)
863 {
864 for (int i = 0; i < w; i++)
865 {
866 char buffer[5];
867 LocalDecToHex( image.GetRed(i,j), buffer );
868 fprintf( m_pstream, buffer );
869 LocalDecToHex( image.GetGreen(i,j), buffer );
870 fprintf( m_pstream, buffer );
871 LocalDecToHex( image.GetBlue(i,j), buffer );
872 fprintf( m_pstream, buffer );
873 }
874 fprintf( m_pstream, "\n" );
875 }
876
877 fprintf( m_pstream, "end\n" );
878 fprintf( m_pstream, "origstate restore\n" );
879 }
880
881 void wxPostScriptDC::SetFont( const wxFont& font )
882 {
883 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
884
885 if (!font.Ok()) return;
886
887 m_font = font;
888
889 #ifndef __WXGTK20__
890 int Style = m_font.GetStyle();
891 int Weight = m_font.GetWeight();
892
893 const char *name;
894 switch (m_font.GetFamily())
895 {
896 case wxTELETYPE:
897 case wxMODERN:
898 {
899 if (Style == wxITALIC)
900 {
901 if (Weight == wxBOLD)
902 name = "/Courier-BoldOblique";
903 else
904 name = "/Courier-Oblique";
905 }
906 else
907 {
908 if (Weight == wxBOLD)
909 name = "/Courier-Bold";
910 else
911 name = "/Courier";
912 }
913 break;
914 }
915 case wxROMAN:
916 {
917 if (Style == wxITALIC)
918 {
919 if (Weight == wxBOLD)
920 name = "/Times-BoldItalic";
921 else
922 name = "/Times-Italic";
923 }
924 else
925 {
926 if (Weight == wxBOLD)
927 name = "/Times-Bold";
928 else
929 name = "/Times-Roman";
930 }
931 break;
932 }
933 case wxSCRIPT:
934 {
935 name = "/ZapfChancery-MediumItalic";
936 Style = wxNORMAL;
937 Weight = wxNORMAL;
938 break;
939 }
940 case wxSWISS:
941 default:
942 {
943 if (Style == wxITALIC)
944 {
945 if (Weight == wxBOLD)
946 name = "/Helvetica-BoldOblique";
947 else
948 name = "/Helvetica-Oblique";
949 }
950 else
951 {
952 if (Weight == wxBOLD)
953 name = "/Helvetica-Bold";
954 else
955 name = "/Helvetica";
956 }
957 break;
958 }
959 }
960
961 fprintf( m_pstream, name );
962 fprintf( m_pstream, " reencodeISO def\n" );
963 fprintf( m_pstream, name );
964 fprintf( m_pstream, " findfont\n" );
965
966 char buffer[100];
967 sprintf( buffer, "%f scalefont setfont\n", LogicalToDeviceYRel(m_font.GetPointSize() * 1000) / 1000.0F);
968 // this is a hack - we must scale font size (in pts) according to m_scaleY but
969 // LogicalToDeviceYRel works with wxCoord type (int or longint). Se we first convert font size
970 // to 1/1000th of pt and then back.
971 for (int i = 0; i < 100; i++)
972 if (buffer[i] == ',') buffer[i] = '.';
973 fprintf( m_pstream, buffer );
974 #endif
975 }
976
977 void wxPostScriptDC::SetPen( const wxPen& pen )
978 {
979 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
980
981 if (!pen.Ok()) return;
982
983 int oldStyle = m_pen.GetStyle();
984
985 m_pen = pen;
986
987 {
988 char buffer[100];
989 #ifdef __WXMSW__
990 sprintf( buffer, "%f setlinewidth\n", LogicalToDeviceXRel(1000 * m_pen.GetWidth()) / 1000.0f );
991 #else
992 sprintf( buffer, "%f setlinewidth\n", LogicalToDeviceXRel(1000 * m_pen.GetWidth()) / 1000.0f );
993 #endif
994 for (int i = 0; i < 100; i++)
995 if (buffer[i] == ',') buffer[i] = '.';
996 fprintf( m_pstream, buffer );
997 }
998
999 /*
1000 Line style - WRONG: 2nd arg is OFFSET
1001
1002 Here, I'm afraid you do not conceive meaning of parameters of 'setdash'
1003 operator correctly. You should look-up this in the Red Book: the 2nd parame-
1004 ter is not number of values in the array of the first one, but an offset
1005 into this description of the pattern. I mean a real *offset* not index
1006 into array. I.e. If the command is [3 4] 1 setdash is used, then there
1007 will be first black line *2* units wxCoord, then space 4 units, then the
1008 pattern of *3* units black, 4 units space will be repeated.
1009 */
1010
1011 static const char *dotted = "[2 5] 2";
1012 static const char *short_dashed = "[4 4] 2";
1013 static const char *wxCoord_dashed = "[4 8] 2";
1014 static const char *dotted_dashed = "[6 6 2 6] 4";
1015
1016 const char *psdash = (char *) NULL;
1017 switch (m_pen.GetStyle())
1018 {
1019 case wxDOT: psdash = dotted; break;
1020 case wxSHORT_DASH: psdash = short_dashed; break;
1021 case wxLONG_DASH: psdash = wxCoord_dashed; break;
1022 case wxDOT_DASH: psdash = dotted_dashed; break;
1023 case wxSOLID:
1024 case wxTRANSPARENT:
1025 default: psdash = "[] 0"; break;
1026 }
1027
1028 if (oldStyle != m_pen.GetStyle())
1029 {
1030 fprintf( m_pstream, psdash );
1031 fprintf( m_pstream," setdash\n" );
1032 }
1033
1034 // Line colour
1035 unsigned char red = m_pen.GetColour().Red();
1036 unsigned char blue = m_pen.GetColour().Blue();
1037 unsigned char green = m_pen.GetColour().Green();
1038
1039 if (!m_colour)
1040 {
1041 // Anything not white is black
1042 if (! (red == (unsigned char) 255 &&
1043 blue == (unsigned char) 255 &&
1044 green == (unsigned char) 255) )
1045 {
1046 red = (unsigned char) 0;
1047 green = (unsigned char) 0;
1048 blue = (unsigned char) 0;
1049 }
1050 // setgray here ?
1051 }
1052
1053 if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1054 {
1055 double redPS = (double)(red) / 255.0;
1056 double bluePS = (double)(blue) / 255.0;
1057 double greenPS = (double)(green) / 255.0;
1058
1059 char buffer[100];
1060 sprintf( buffer,
1061 "%.8f %.8f %.8f setrgbcolor\n",
1062 redPS, greenPS, bluePS );
1063 for (int i = 0; i < 100; i++)
1064 if (buffer[i] == ',') buffer[i] = '.';
1065 fprintf( m_pstream, buffer );
1066
1067 m_currentRed = red;
1068 m_currentBlue = blue;
1069 m_currentGreen = green;
1070 }
1071 }
1072
1073 void wxPostScriptDC::SetBrush( const wxBrush& brush )
1074 {
1075 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
1076
1077 if (!brush.Ok()) return;
1078
1079 m_brush = brush;
1080
1081 // Brush colour
1082 unsigned char red = m_brush.GetColour().Red();
1083 unsigned char blue = m_brush.GetColour().Blue();
1084 unsigned char green = m_brush.GetColour().Green();
1085
1086 if (!m_colour)
1087 {
1088 // Anything not white is black
1089 if (! (red == (unsigned char) 255 &&
1090 blue == (unsigned char) 255 &&
1091 green == (unsigned char) 255) )
1092 {
1093 red = (unsigned char) 0;
1094 green = (unsigned char) 0;
1095 blue = (unsigned char) 0;
1096 }
1097 // setgray here ?
1098 }
1099
1100 if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1101 {
1102 double redPS = (double)(red) / 255.0;
1103 double bluePS = (double)(blue) / 255.0;
1104 double greenPS = (double)(green) / 255.0;
1105
1106 char buffer[100];
1107 sprintf( buffer,
1108 "%.8f %.8f %.8f setrgbcolor\n",
1109 redPS, greenPS, bluePS );
1110 for (int i = 0; i < 100; i++)
1111 if (buffer[i] == ',') buffer[i] = '.';
1112 fprintf( m_pstream, buffer );
1113
1114 m_currentRed = red;
1115 m_currentBlue = blue;
1116 m_currentGreen = green;
1117 }
1118 }
1119
1120 #ifdef __WXGTK20__
1121
1122 #define PANGO_ENABLE_ENGINE
1123
1124 #include "wx/gtk/private.h"
1125 #include "wx/fontutil.h"
1126 #include "gtk/gtk.h"
1127 #include <pango/pangoft2.h>
1128 #include <freetype/ftglyph.h>
1129
1130 #ifndef FT_Outline_Decompose
1131 FT_EXPORT( FT_Error ) FT_Outline_Decompose(
1132 FT_Outline* outline,
1133 const FT_Outline_Funcs* interface,
1134 void* user );
1135 #endif
1136
1137 typedef struct _OutlineInfo OutlineInfo;
1138 struct _OutlineInfo {
1139 FILE *file;
1140 };
1141
1142 static int paps_move_to( FT_Vector* to,
1143 void *user_data)
1144 {
1145 OutlineInfo *outline_info = (OutlineInfo*)user_data;
1146 fprintf(outline_info->file, "%d %d moveto\n",
1147 (int)to->x ,
1148 (int)to->y );
1149 return 0;
1150 }
1151
1152 static int paps_line_to( FT_Vector* to,
1153 void *user_data)
1154 {
1155 OutlineInfo *outline_info = (OutlineInfo*)user_data;
1156 fprintf(outline_info->file, "%d %d lineto\n",
1157 (int)to->x ,
1158 (int)to->y );
1159 return 0;
1160 }
1161
1162 static int paps_conic_to( FT_Vector* control,
1163 FT_Vector* to,
1164 void *user_data)
1165 {
1166 OutlineInfo *outline_info = (OutlineInfo*)user_data;
1167 fprintf(outline_info->file, "%d %d %d %d conicto\n",
1168 (int)control->x ,
1169 (int)control->y ,
1170 (int)to->x ,
1171 (int)to->y );
1172 return 0;
1173 }
1174
1175 static int paps_cubic_to( FT_Vector* control1,
1176 FT_Vector* control2,
1177 FT_Vector* to,
1178 void *user_data)
1179 {
1180 OutlineInfo *outline_info = (OutlineInfo*)user_data;
1181 fprintf(outline_info->file,
1182 "%d %d %d %d %d %d curveto\n",
1183 (int)control1->x ,
1184 (int)control1->y ,
1185 (int)control2->x ,
1186 (int)control2->y ,
1187 (int)to->x ,
1188 (int)to->y );
1189 return 0;
1190 }
1191
1192 void draw_bezier_outline(FILE *file,
1193 FT_Face face,
1194 FT_UInt glyph_index,
1195 int pos_x,
1196 int pos_y,
1197 int scale_x,
1198 int scale_y )
1199 {
1200 FT_Int load_flags = FT_LOAD_NO_BITMAP;
1201 FT_Glyph glyph;
1202
1203 FT_Outline_Funcs outlinefunc =
1204 {
1205 paps_move_to,
1206 paps_line_to,
1207 paps_conic_to,
1208 paps_cubic_to
1209 };
1210
1211 OutlineInfo outline_info;
1212 outline_info.file = file;
1213
1214 fprintf(file, "gsave\n");
1215 fprintf(file, "%d %d translate\n", pos_x, pos_y );
1216 // FT2 scales outlines to 26.6 pixels so the code below
1217 // should read 26600 instead of the 60000.
1218 fprintf(file, "%d 60000 div %d 60000 div scale\n", scale_x, scale_y );
1219 fprintf(file, "0 0 0 setrgbcolor\n");
1220
1221 FT_Load_Glyph(face, glyph_index, load_flags);
1222 FT_Get_Glyph (face->glyph, &glyph);
1223 FT_Outline_Decompose (&(((FT_OutlineGlyph)glyph)->outline),
1224 &outlinefunc, &outline_info);
1225 fprintf(file, "closepath fill grestore \n");
1226
1227 FT_Done_Glyph (glyph);
1228 }
1229
1230 #endif
1231
1232 void wxPostScriptDC::DoDrawText( const wxString& text, wxCoord x, wxCoord y )
1233 {
1234 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
1235
1236 #ifdef __WXGTK20__
1237 int dpi = GetResolution();
1238 dpi = 300;
1239 PangoContext *context = pango_ft2_get_context ( dpi, dpi );
1240
1241 pango_context_set_language (context, pango_language_from_string ("en_US"));
1242 pango_context_set_base_dir (context, PANGO_DIRECTION_LTR );
1243
1244 pango_context_set_font_description (context, m_font.GetNativeFontInfo()->description );
1245
1246 PangoLayout *layout = pango_layout_new (context);
1247 #if wxUSE_UNICODE
1248 wxCharBuffer buffer = wxConvUTF8.cWC2MB( text );
1249 #else
1250 wxCharBuffer buffer = wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) );
1251 #endif
1252 pango_layout_set_text( layout, (const char*) buffer, strlen(buffer) );
1253
1254 PangoRectangle rect;
1255 pango_layout_get_extents(layout, NULL, &rect);
1256
1257 int xx = x * PANGO_SCALE;
1258 int yy = y * PANGO_SCALE + (rect.height*2/3);
1259
1260 int scale_x = LogicalToDeviceXRel( 1000 );
1261 int scale_y = LogicalToDeviceYRel( 1000 );
1262
1263 // Loop over lines in layout
1264 int num_lines = pango_layout_get_line_count( layout );
1265 for (int i = 0; i < num_lines; i++)
1266 {
1267 PangoLayoutLine *line = pango_layout_get_line( layout, i );
1268
1269 // Loop over runs in line
1270 GSList *runs_list = line->runs;
1271 while (runs_list)
1272 {
1273 PangoLayoutRun *run = (PangoLayoutRun*) runs_list->data;
1274 PangoItem *item = run->item;
1275 PangoGlyphString *glyphs = run->glyphs;
1276 PangoAnalysis *analysis = &item->analysis;
1277 PangoFont *font = analysis->font;
1278 FT_Face ft_face = pango_ft2_font_get_face(font);
1279
1280 int num_glyphs = glyphs->num_glyphs;
1281 for (int glyph_idx = 0; glyph_idx < num_glyphs; glyph_idx++)
1282 {
1283 PangoGlyphGeometry geometry = glyphs->glyphs[glyph_idx].geometry;
1284 int pos_x = xx + geometry.x_offset;
1285 int pos_y = yy - geometry.y_offset;
1286 xx += geometry.width;
1287
1288 draw_bezier_outline( m_pstream, ft_face,
1289 (FT_UInt)(glyphs->glyphs[glyph_idx].glyph),
1290 LogicalToDeviceX( pos_x / PANGO_SCALE ),
1291 LogicalToDeviceY( pos_y / PANGO_SCALE ),
1292 scale_x, scale_y );
1293 }
1294 runs_list = runs_list->next;
1295 }
1296 }
1297
1298 g_object_unref( G_OBJECT( layout ) );
1299 #else
1300 wxCoord text_w, text_h, text_descent;
1301
1302 GetTextExtent(text, &text_w, &text_h, &text_descent);
1303
1304 // VZ: this seems to be unnecessary, so taking it out for now, if it
1305 // doesn't create any problems, remove this comment entirely
1306 //SetFont( m_font );
1307
1308 if (m_textForegroundColour.Ok())
1309 {
1310 unsigned char red = m_textForegroundColour.Red();
1311 unsigned char blue = m_textForegroundColour.Blue();
1312 unsigned char green = m_textForegroundColour.Green();
1313
1314 if (!m_colour)
1315 {
1316 // Anything not white is black
1317 if (! (red == (unsigned char) 255 &&
1318 blue == (unsigned char) 255 &&
1319 green == (unsigned char) 255))
1320 {
1321 red = (unsigned char) 0;
1322 green = (unsigned char) 0;
1323 blue = (unsigned char) 0;
1324 }
1325 }
1326
1327 // maybe setgray here ?
1328 if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1329 {
1330 double redPS = (double)(red) / 255.0;
1331 double bluePS = (double)(blue) / 255.0;
1332 double greenPS = (double)(green) / 255.0;
1333
1334 char buffer[100];
1335 sprintf( buffer,
1336 "%.8f %.8f %.8f setrgbcolor\n",
1337 redPS, greenPS, bluePS );
1338 for (int i = 0; i < 100; i++)
1339 if (buffer[i] == ',') buffer[i] = '.';
1340 fprintf( m_pstream, buffer );
1341
1342 m_currentRed = red;
1343 m_currentBlue = blue;
1344 m_currentGreen = green;
1345 }
1346 }
1347
1348 int size = m_font.GetPointSize();
1349
1350 // wxCoord by = y + (wxCoord)floor( double(size) * 2.0 / 3.0 ); // approximate baseline
1351 // commented by V. Slavik and replaced by accurate version
1352 // - note that there is still rounding error in text_descent!
1353 wxCoord by = y + size - text_descent; // baseline
1354 fprintf( m_pstream, "%d %d moveto\n", LogicalToDeviceX(x), LogicalToDeviceY(by) );
1355
1356 fprintf( m_pstream, "(" );
1357 const wxWX2MBbuf textbuf = text.mb_str();
1358 size_t len = strlen(textbuf);
1359 size_t i;
1360 for (i = 0; i < len; i++)
1361 {
1362 int c = (unsigned char) textbuf[i];
1363 if (c == ')' || c == '(' || c == '\\')
1364 {
1365 /* Cope with special characters */
1366 fprintf( m_pstream, "\\" );
1367 fputc(c, m_pstream);
1368 }
1369 else if ( c >= 128 )
1370 {
1371 /* Cope with character codes > 127 */
1372 fprintf(m_pstream, "\\%o", c);
1373 }
1374 else
1375 {
1376 fputc(c, m_pstream);
1377 }
1378 }
1379
1380 fprintf( m_pstream, ") show\n" );
1381
1382 if (m_font.GetUnderlined())
1383 {
1384 wxCoord uy = (wxCoord)(y + size - m_underlinePosition);
1385 char buffer[100];
1386
1387 sprintf( buffer,
1388 "gsave\n"
1389 "%d %d moveto\n"
1390 "%f setlinewidth\n"
1391 "%d %d lineto\n"
1392 "stroke\n"
1393 "grestore\n",
1394 LogicalToDeviceX(x), LogicalToDeviceY(uy),
1395 m_underlineThickness,
1396 LogicalToDeviceX(x + text_w), LogicalToDeviceY(uy) );
1397 for (i = 0; i < 100; i++)
1398 if (buffer[i] == ',') buffer[i] = '.';
1399 fprintf( m_pstream, buffer );
1400 }
1401
1402 CalcBoundingBox( x, y );
1403 CalcBoundingBox( x + size * text.Length() * 2/3 , y );
1404 #endif
1405 }
1406
1407 void wxPostScriptDC::DoDrawRotatedText( const wxString& text, wxCoord x, wxCoord y, double angle )
1408 {
1409 if (angle == 0.0)
1410 {
1411 DoDrawText(text, x, y);
1412 return;
1413 }
1414
1415 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
1416
1417 SetFont( m_font );
1418
1419 if (m_textForegroundColour.Ok())
1420 {
1421 unsigned char red = m_textForegroundColour.Red();
1422 unsigned char blue = m_textForegroundColour.Blue();
1423 unsigned char green = m_textForegroundColour.Green();
1424
1425 if (!m_colour)
1426 {
1427 // Anything not white is black
1428 if (! (red == (unsigned char) 255 &&
1429 blue == (unsigned char) 255 &&
1430 green == (unsigned char) 255))
1431 {
1432 red = (unsigned char) 0;
1433 green = (unsigned char) 0;
1434 blue = (unsigned char) 0;
1435 }
1436 }
1437
1438 // maybe setgray here ?
1439 if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1440 {
1441 double redPS = (double)(red) / 255.0;
1442 double bluePS = (double)(blue) / 255.0;
1443 double greenPS = (double)(green) / 255.0;
1444
1445 char buffer[100];
1446 sprintf( buffer,
1447 "%.8f %.8f %.8f setrgbcolor\n",
1448 redPS, greenPS, bluePS );
1449 for (int i = 0; i < 100; i++)
1450 if (buffer[i] == ',') buffer[i] = '.';
1451 fprintf( m_pstream, buffer );
1452
1453 m_currentRed = red;
1454 m_currentBlue = blue;
1455 m_currentGreen = green;
1456 }
1457 }
1458
1459 int size = m_font.GetPointSize();
1460
1461 long by = y + (long)floor( double(size) * 2.0 / 3.0 ); // approximate baseline
1462
1463 // FIXME only correct for 90 degrees
1464 fprintf(m_pstream, "%d %d moveto\n",
1465 LogicalToDeviceX((wxCoord)(x + size)), LogicalToDeviceY((wxCoord)by) );
1466
1467 char buffer[100];
1468 sprintf(buffer, "%.8f rotate\n", angle);
1469 size_t i;
1470 for (i = 0; i < 100; i++)
1471 if (buffer[i] == ',') buffer[i] = '.';
1472 fprintf(m_pstream, buffer);
1473
1474 fprintf( m_pstream, "(" );
1475 const wxWX2MBbuf textbuf = text.mb_str();
1476 size_t len = strlen(textbuf);
1477 for (i = 0; i < len; i++)
1478 {
1479 int c = (unsigned char) textbuf[i];
1480 if (c == ')' || c == '(' || c == '\\')
1481 {
1482 /* Cope with special characters */
1483 fprintf( m_pstream, "\\" );
1484 fputc(c, m_pstream);
1485 }
1486 else if ( c >= 128 )
1487 {
1488 /* Cope with character codes > 127 */
1489 fprintf(m_pstream, "\\%o", c);
1490 }
1491 else
1492 {
1493 fputc(c, m_pstream);
1494 }
1495 }
1496
1497 fprintf( m_pstream, ") show\n" );
1498
1499 sprintf( buffer, "%.8f rotate\n", -angle );
1500 for (i = 0; i < 100; i++)
1501 if (buffer[i] == ',') buffer[i] = '.';
1502 fprintf( m_pstream, buffer );
1503
1504 if (m_font.GetUnderlined())
1505 {
1506 wxCoord uy = (wxCoord)(y + size - m_underlinePosition);
1507 wxCoord w, h;
1508 char buffer[100];
1509 GetTextExtent(text, &w, &h);
1510
1511 sprintf( buffer,
1512 "gsave\n"
1513 "%d %d moveto\n"
1514 "%f setlinewidth\n"
1515 "%d %d lineto\n"
1516 "stroke\n"
1517 "grestore\n",
1518 LogicalToDeviceX(x), LogicalToDeviceY(uy),
1519 m_underlineThickness,
1520 LogicalToDeviceX(x + w), LogicalToDeviceY(uy) );
1521 for (i = 0; i < 100; i++)
1522 if (buffer[i] == ',') buffer[i] = '.';
1523 fprintf( m_pstream, buffer );
1524 }
1525
1526 CalcBoundingBox( x, y );
1527 CalcBoundingBox( x + size * text.Length() * 2/3 , y );
1528 }
1529
1530 void wxPostScriptDC::SetBackground (const wxBrush& brush)
1531 {
1532 m_backgroundBrush = brush;
1533 }
1534
1535 void wxPostScriptDC::SetLogicalFunction (int WXUNUSED(function))
1536 {
1537 wxFAIL_MSG( wxT("wxPostScriptDC::SetLogicalFunction not implemented.") );
1538 }
1539
1540 void wxPostScriptDC::DoDrawSpline( wxList *points )
1541 {
1542 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
1543
1544 SetPen( m_pen );
1545
1546 double a, b, c, d, x1, y1, x2, y2, x3, y3;
1547 wxPoint *p, *q;
1548
1549 wxNode *node = points->First();
1550 p = (wxPoint *)node->Data();
1551 x1 = p->x;
1552 y1 = p->y;
1553
1554 node = node->Next();
1555 p = (wxPoint *)node->Data();
1556 c = p->x;
1557 d = p->y;
1558 x3 = a = (double)(x1 + c) / 2;
1559 y3 = b = (double)(y1 + d) / 2;
1560
1561 fprintf( m_pstream,
1562 "newpath\n"
1563 "%d %d moveto\n"
1564 "%d %d lineto\n",
1565 LogicalToDeviceX((wxCoord)x1), LogicalToDeviceY((wxCoord)y1),
1566 LogicalToDeviceX((wxCoord)x3), LogicalToDeviceY((wxCoord)y3) );
1567
1568 CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1569 CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1570
1571 while ((node = node->Next()) != NULL)
1572 {
1573 q = (wxPoint *)node->Data();
1574
1575 x1 = x3;
1576 y1 = y3;
1577 x2 = c;
1578 y2 = d;
1579 c = q->x;
1580 d = q->y;
1581 x3 = (double)(x2 + c) / 2;
1582 y3 = (double)(y2 + d) / 2;
1583
1584 fprintf( m_pstream,
1585 "%d %d %d %d %d %d DrawSplineSection\n",
1586 LogicalToDeviceX((wxCoord)x1), LogicalToDeviceY((wxCoord)y1),
1587 LogicalToDeviceX((wxCoord)x2), LogicalToDeviceY((wxCoord)y2),
1588 LogicalToDeviceX((wxCoord)x3), LogicalToDeviceY((wxCoord)y3) );
1589
1590 CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1591 CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1592 }
1593
1594 /*
1595 At this point, (x2,y2) and (c,d) are the position of the
1596 next-to-last and last point respectively, in the point list
1597 */
1598
1599 fprintf( m_pstream,
1600 "%d %d lineto\n"
1601 "stroke\n",
1602 LogicalToDeviceX((wxCoord)c), LogicalToDeviceY((wxCoord)d) );
1603 }
1604
1605 wxCoord wxPostScriptDC::GetCharWidth() const
1606 {
1607 // Chris Breeze: reasonable approximation using wxMODERN/Courier
1608 return (wxCoord) (GetCharHeight() * 72.0 / 120.0);
1609 }
1610
1611
1612 void wxPostScriptDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
1613 {
1614 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
1615
1616 m_signX = (xLeftRight ? 1 : -1);
1617 m_signY = (yBottomUp ? 1 : -1);
1618
1619 // FIXME there is no such function in MSW nor in OS2/PM
1620 #if !defined(__WXMSW__) && !defined(__WXPM__)
1621 ComputeScaleAndOrigin();
1622 #endif
1623 }
1624
1625 void wxPostScriptDC::SetDeviceOrigin( wxCoord x, wxCoord y )
1626 {
1627 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
1628
1629 int h = 0;
1630 int w = 0;
1631 GetSize( &w, &h );
1632
1633 wxDC::SetDeviceOrigin( x, h-y );
1634 }
1635
1636 void wxPostScriptDC::DoGetSize(int* width, int* height) const
1637 {
1638 wxPaperSize id = m_printData.GetPaperId();
1639
1640 wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(id);
1641
1642 if (!paper) paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
1643
1644 int w = 595;
1645 int h = 842;
1646 if (paper)
1647 {
1648 w = paper->GetSizeDeviceUnits().x;
1649 h = paper->GetSizeDeviceUnits().y;
1650 }
1651
1652 if (m_printData.GetOrientation() == wxLANDSCAPE)
1653 {
1654 int tmp = w;
1655 w = h;
1656 h = tmp;
1657 }
1658
1659 if (width) *width = (int)(w * ms_PSScaleFactor);
1660 if (height) *height = (int)(h * ms_PSScaleFactor);
1661 }
1662
1663 void wxPostScriptDC::DoGetSizeMM(int *width, int *height) const
1664 {
1665 wxPaperSize id = m_printData.GetPaperId();
1666
1667 wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(id);
1668
1669 if (!paper) paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
1670
1671 int w = 210;
1672 int h = 297;
1673 if (paper)
1674 {
1675 w = paper->GetWidth() / 10;
1676 h = paper->GetHeight() / 10;
1677 }
1678
1679 if (m_printData.GetOrientation() == wxLANDSCAPE)
1680 {
1681 int tmp = w;
1682 w = h;
1683 h = tmp;
1684 }
1685
1686 if (width) *width = w;
1687 if (height) *height = h;
1688 }
1689
1690 // Resolution in pixels per logical inch
1691 wxSize wxPostScriptDC::GetPPI(void) const
1692 {
1693 return wxSize((int)(72 * ms_PSScaleFactor),
1694 (int)(72 * ms_PSScaleFactor));
1695 }
1696
1697
1698 bool wxPostScriptDC::StartDoc( const wxString& message )
1699 {
1700 wxCHECK_MSG( m_ok, FALSE, wxT("invalid postscript dc") );
1701
1702 if (m_printData.GetFilename() == "")
1703 {
1704 wxString filename = wxGetTempFileName("ps");
1705 m_printData.SetFilename(filename);
1706 }
1707
1708 m_pstream = wxFopen( m_printData.GetFilename().c_str(), wxT("w+") ); // FIXME: use fn_str() here under Unicode?
1709
1710 if (!m_pstream)
1711 {
1712 wxLogError( _("Cannot open file for PostScript printing!"));
1713 m_ok = FALSE;
1714 return FALSE;
1715 }
1716
1717 m_ok = TRUE;
1718
1719 fprintf( m_pstream, "%%!PS-Adobe-2.0\n" );
1720 fprintf( m_pstream, "%%%%Title: %s\n", (const char *) m_title.ToAscii() );
1721 fprintf( m_pstream, "%%%%Creator: wxWindows PostScript renderer\n" );
1722 fprintf( m_pstream, "%%%%CreationDate: %s\n", (const char *) wxNow().ToAscii() );
1723 if (m_printData.GetOrientation() == wxLANDSCAPE)
1724 fprintf( m_pstream, "%%%%Orientation: Landscape\n" );
1725 else
1726 fprintf( m_pstream, "%%%%Orientation: Portrait\n" );
1727
1728 // fprintf( m_pstream, "%%%%Pages: %d\n", (wxPageNumber - 1) );
1729
1730 char *paper = "A4";
1731 switch (m_printData.GetPaperId())
1732 {
1733 case wxPAPER_LETTER: paper = "Letter"; break; // Letter: paper ""; 8 1/2 by 11 inches
1734 case wxPAPER_LEGAL: paper = "Legal"; break; // Legal, 8 1/2 by 14 inches
1735 case wxPAPER_A4: paper = "A4"; break; // A4 Sheet, 210 by 297 millimeters
1736 case wxPAPER_TABLOID: paper = "Tabloid"; break; // Tabloid, 11 by 17 inches
1737 case wxPAPER_LEDGER: paper = "Ledger"; break; // Ledger, 17 by 11 inches
1738 case wxPAPER_STATEMENT: paper = "Statement"; break; // Statement, 5 1/2 by 8 1/2 inches
1739 case wxPAPER_EXECUTIVE: paper = "Executive"; break; // Executive, 7 1/4 by 10 1/2 inches
1740 case wxPAPER_A3: paper = "A3"; break; // A3 sheet, 297 by 420 millimeters
1741 case wxPAPER_A5: paper = "A5"; break; // A5 sheet, 148 by 210 millimeters
1742 case wxPAPER_B4: paper = "B4"; break; // B4 sheet, 250 by 354 millimeters
1743 case wxPAPER_B5: paper = "B5"; break; // B5 sheet, 182-by-257-millimeter paper
1744 case wxPAPER_FOLIO: paper = "Folio"; break; // Folio, 8-1/2-by-13-inch paper
1745 case wxPAPER_QUARTO: paper = "Quaro"; break; // Quarto, 215-by-275-millimeter paper
1746 case wxPAPER_10X14: paper = "10x14"; break; // 10-by-14-inch sheet
1747 default: paper = "A4";
1748 }
1749 fprintf( m_pstream, "%%%%DocumentPaperSizes: %s\n", paper );
1750 fprintf( m_pstream, "%%%%EndComments\n\n" );
1751
1752 fprintf( m_pstream, "%%%%BeginProlog\n" );
1753 fprintf( m_pstream, wxPostScriptHeaderConicTo );
1754 fprintf( m_pstream, wxPostScriptHeaderEllipse );
1755 fprintf( m_pstream, wxPostScriptHeaderEllipticArc );
1756 fprintf( m_pstream, wxPostScriptHeaderColourImage );
1757 #ifndef __WXGTK20__
1758 fprintf( m_pstream, wxPostScriptHeaderReencodeISO1 );
1759 fprintf( m_pstream, wxPostScriptHeaderReencodeISO2 );
1760 #endif
1761 if (wxPostScriptHeaderSpline)
1762 fprintf( m_pstream, wxPostScriptHeaderSpline );
1763 fprintf( m_pstream, "%%%%EndProlog\n" );
1764
1765 SetBrush( *wxBLACK_BRUSH );
1766 SetPen( *wxBLACK_PEN );
1767 SetBackground( *wxWHITE_BRUSH );
1768 SetTextForeground( *wxBLACK );
1769
1770 // set origin according to paper size
1771 SetDeviceOrigin( 0,0 );
1772
1773 wxPageNumber = 1;
1774 m_pageNumber = 1;
1775 m_title = message;
1776 return TRUE;
1777 }
1778
1779 void wxPostScriptDC::EndDoc ()
1780 {
1781 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
1782
1783 if (m_clipping)
1784 {
1785 m_clipping = FALSE;
1786 fprintf( m_pstream, "grestore\n" );
1787 }
1788
1789 fclose( m_pstream );
1790 m_pstream = (FILE *) NULL;
1791
1792 #if 0
1793 // THE FOLLOWING HAS BEEN CONTRIBUTED BY Andy Fyfe <andy@hyperparallel.com>
1794 wxCoord wx_printer_translate_x, wx_printer_translate_y;
1795 double wx_printer_scale_x, wx_printer_scale_y;
1796
1797 wx_printer_translate_x = (wxCoord)m_printData.GetPrinterTranslateX();
1798 wx_printer_translate_y = (wxCoord)m_printData.GetPrinterTranslateY();
1799
1800 wx_printer_scale_x = m_printData.GetPrinterScaleX();
1801 wx_printer_scale_y = m_printData.GetPrinterScaleY();
1802
1803 // Compute the bounding box. Note that it is in the default user
1804 // coordinate system, thus we have to convert the values.
1805 wxCoord minX = (wxCoord) LogicalToDeviceX(m_minX);
1806 wxCoord minY = (wxCoord) LogicalToDeviceY(m_minY);
1807 wxCoord maxX = (wxCoord) LogicalToDeviceX(m_maxX);
1808 wxCoord maxY = (wxCoord) LogicalToDeviceY(m_maxY);
1809
1810 // LOG2DEV may have changed the minimum to maximum vice versa
1811 if ( minX > maxX ) { wxCoord tmp = minX; minX = maxX; maxX = tmp; }
1812 if ( minY > maxY ) { wxCoord tmp = minY; minY = maxY; maxY = tmp; }
1813
1814 // account for used scaling (boundingbox is before scaling in ps-file)
1815 double scale_x = m_printData.GetPrinterScaleX() / ms_PSScaleFactor;
1816 double scale_y = m_printData.GetPrinterScaleY() / ms_PSScaleFactor;
1817
1818 wxCoord llx, lly, urx, ury;
1819 llx = (wxCoord) ((minX+wx_printer_translate_x)*scale_x);
1820 lly = (wxCoord) ((minY+wx_printer_translate_y)*scale_y);
1821 urx = (wxCoord) ((maxX+wx_printer_translate_x)*scale_x);
1822 ury = (wxCoord) ((maxY+wx_printer_translate_y)*scale_y);
1823 // (end of bounding box computation)
1824
1825
1826 // If we're landscape, our sense of "x" and "y" is reversed.
1827 if (m_printData.GetOrientation() == wxLANDSCAPE)
1828 {
1829 wxCoord tmp;
1830 tmp = llx; llx = lly; lly = tmp;
1831 tmp = urx; urx = ury; ury = tmp;
1832
1833 // We need either the two lines that follow, or we need to subtract
1834 // min_x from real_translate_y, which is commented out below.
1835 llx = llx - (wxCoord)(m_minX*wx_printer_scale_y);
1836 urx = urx - (wxCoord)(m_minX*wx_printer_scale_y);
1837 }
1838
1839 // The Adobe specifications call for integers; we round as to make
1840 // the bounding larger.
1841 fprintf( m_pstream,
1842 "%%%%BoundingBox: %d %d %d %d\n",
1843 (wxCoord)floor((double)llx), (wxCoord)floor((double)lly),
1844 (wxCoord)ceil((double)urx), (wxCoord)ceil((double)ury) );
1845
1846 // To check the correctness of the bounding box, postscript commands
1847 // to draw a box corresponding to the bounding box are generated below.
1848 // But since we typically don't want to print such a box, the postscript
1849 // commands are generated within comments. These lines appear before any
1850 // adjustment of scale, rotation, or translation, and hence are in the
1851 // default user coordinates.
1852 fprintf( m_pstream, "%% newpath\n" );
1853 fprintf( m_pstream, "%% %d %d moveto\n", llx, lly );
1854 fprintf( m_pstream, "%% %d %d lineto\n", urx, lly );
1855 fprintf( m_pstream, "%% %d %d lineto\n", urx, ury );
1856 fprintf( m_pstream, "%% %d %d lineto closepath stroke\n", llx, ury );
1857 #endif
1858
1859 #if defined(__X__) || defined(__WXGTK__)
1860 if (m_ok && (m_printData.GetPrintMode() == wxPRINT_MODE_PRINTER))
1861 {
1862 wxString command;
1863 command += m_printData.GetPrinterCommand();
1864 command += wxT(" ");
1865 command += m_printData.GetFilename();
1866
1867 wxExecute( command, TRUE );
1868 wxRemoveFile( m_printData.GetFilename() );
1869 }
1870 #endif
1871 }
1872
1873 void wxPostScriptDC::StartPage()
1874 {
1875 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
1876
1877 fprintf( m_pstream, "%%%%Page: %d\n", wxPageNumber++ );
1878
1879 // What is this one supposed to do? RR.
1880 // *m_pstream << "matrix currentmatrix\n";
1881
1882 // Added by Chris Breeze
1883
1884 // Each page starts with an "initgraphics" which resets the
1885 // transformation and so we need to reset the origin
1886 // (and rotate the page for landscape printing)
1887
1888 // Output scaling
1889 wxCoord translate_x, translate_y;
1890 double scale_x, scale_y;
1891
1892 translate_x = (wxCoord)m_printData.GetPrinterTranslateX();
1893 translate_y = (wxCoord)m_printData.GetPrinterTranslateY();
1894
1895 scale_x = m_printData.GetPrinterScaleX();
1896 scale_y = m_printData.GetPrinterScaleY();
1897
1898 if (m_printData.GetOrientation() == wxLANDSCAPE)
1899 {
1900 int h;
1901 GetSize( (int*) NULL, &h );
1902 translate_y -= h;
1903 fprintf( m_pstream, "90 rotate\n" );
1904
1905 // I copied this one from a PostScript tutorial, but to no avail. RR.
1906 // fprintf( m_pstream, "90 rotate llx neg ury nef translate\n" );
1907 }
1908
1909 char buffer[100];
1910 sprintf( buffer, "%.8f %.8f scale\n", scale_x / ms_PSScaleFactor,
1911 scale_y / ms_PSScaleFactor);
1912 for (int i = 0; i < 100; i++)
1913 if (buffer[i] == ',') buffer[i] = '.';
1914 fprintf( m_pstream, buffer );
1915
1916 fprintf( m_pstream, "%d %d translate\n", translate_x, translate_y );
1917 }
1918
1919 void wxPostScriptDC::EndPage ()
1920 {
1921 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
1922
1923 fprintf( m_pstream, "showpage\n" );
1924 }
1925
1926 bool wxPostScriptDC::DoBlit( wxCoord xdest, wxCoord ydest,
1927 wxCoord fwidth, wxCoord fheight,
1928 wxDC *source,
1929 wxCoord xsrc, wxCoord ysrc,
1930 int rop, bool WXUNUSED(useMask), wxCoord WXUNUSED(xsrcMask), wxCoord WXUNUSED(ysrcMask) )
1931 {
1932 wxCHECK_MSG( m_ok && m_pstream, FALSE, wxT("invalid postscript dc") );
1933
1934 wxCHECK_MSG( source, FALSE, wxT("invalid source dc") );
1935
1936 /* blit into a bitmap */
1937 wxBitmap bitmap( (int)fwidth, (int)fheight );
1938 wxMemoryDC memDC;
1939 memDC.SelectObject(bitmap);
1940 memDC.Blit(0, 0, fwidth, fheight, source, xsrc, ysrc, rop); /* TODO: Blit transparently? */
1941 memDC.SelectObject(wxNullBitmap);
1942
1943 /* draw bitmap. scaling and positioning is done there */
1944 DrawBitmap( bitmap, xdest, ydest );
1945
1946 return TRUE;
1947 }
1948
1949 wxCoord wxPostScriptDC::GetCharHeight() const
1950 {
1951 if (m_font.Ok())
1952 return m_font.GetPointSize();
1953 else
1954 return 12;
1955 }
1956
1957 void wxPostScriptDC::DoGetTextExtent(const wxString& string,
1958 wxCoord *x, wxCoord *y,
1959 wxCoord *descent, wxCoord *externalLeading,
1960 wxFont *theFont ) const
1961 {
1962 wxFont *fontToUse = theFont;
1963
1964 if (!fontToUse) fontToUse = (wxFont*) &m_font;
1965
1966 wxCHECK_RET( fontToUse, wxT("GetTextExtent: no font defined") );
1967
1968 if (string.IsEmpty())
1969 {
1970 if (x) (*x) = 0;
1971 if (y) (*y) = 0;
1972 return;
1973 }
1974
1975 #ifdef __WXGTK20__
1976 int dpi = GetResolution();
1977 PangoContext *context = pango_ft2_get_context ( dpi, dpi );
1978
1979 pango_context_set_language (context, pango_language_from_string ("en_US"));
1980 pango_context_set_base_dir (context, PANGO_DIRECTION_LTR );
1981
1982 PangoLayout *layout = pango_layout_new (context);
1983
1984 PangoFontDescription *desc = fontToUse->GetNativeFontInfo()->description;
1985 pango_layout_set_font_description(layout, desc);
1986 #if wxUSE_UNICODE
1987 const wxCharBuffer data = wxConvUTF8.cWC2MB( string );
1988 pango_layout_set_text(layout, (const char*) data, strlen( (const char*) data ));
1989 #else
1990 const wxWCharBuffer wdata = wxConvLocal.cMB2WC( string );
1991 const wxCharBuffer data = wxConvUTF8.cWC2MB( wdata );
1992 pango_layout_set_text(layout, (const char*) data, strlen( (const char*) data ));
1993 #endif
1994 PangoLayoutLine *line = (PangoLayoutLine *)pango_layout_get_lines(layout)->data;
1995
1996 PangoRectangle rect;
1997 pango_layout_line_get_extents(line, NULL, &rect);
1998
1999 if (x) (*x) = (wxCoord) ( m_scaleX * rect.width / PANGO_SCALE );
2000 if (y) (*y) = (wxCoord) ( m_scaleY * rect.height / PANGO_SCALE );
2001 if (descent)
2002 {
2003 // Do something about metrics here
2004 (*descent) = 0;
2005 }
2006 if (externalLeading) (*externalLeading) = 0; // ??
2007
2008 g_object_unref( G_OBJECT( layout ) );
2009 #else
2010 // GTK 2.0
2011
2012 const wxWX2MBbuf strbuf = string.mb_str();
2013
2014 #if !wxUSE_AFM_FOR_POSTSCRIPT
2015 /* Provide a VERY rough estimate (avoid using it).
2016 * Produces accurate results for mono-spaced font
2017 * such as Courier (aka wxMODERN) */
2018
2019 int height = 12;
2020 if (fontToUse)
2021 {
2022 height = fontToUse->GetPointSize();
2023 }
2024 if ( x )
2025 *x = strlen (strbuf) * height * 72 / 120;
2026 if ( y )
2027 *y = (wxCoord) (height * 1.32); /* allow for descender */
2028 if (descent) *descent = 0;
2029 if (externalLeading) *externalLeading = 0;
2030 #else
2031
2032 /* method for calculating string widths in postscript:
2033 / read in the AFM (adobe font metrics) file for the
2034 / actual font, parse it and extract the character widths
2035 / and also the descender. this may be improved, but for now
2036 / it works well. the AFM file is only read in if the
2037 / font is changed. this may be chached in the future.
2038 / calls to GetTextExtent with the font unchanged are rather
2039 / efficient!!!
2040 /
2041 / for each font and style used there is an AFM file necessary.
2042 / currently i have only files for the roman font family.
2043 / I try to get files for the other ones!
2044 /
2045 / CAVE: the size of the string is currently always calculated
2046 / in 'points' (1/72 of an inch). this should later on be
2047 / changed to depend on the mapping mode.
2048 / CAVE: the path to the AFM files must be set before calling this
2049 / function. this is usually done by a call like the following:
2050 / wxSetAFMPath("d:\\wxw161\\afm\\");
2051 /
2052 / example:
2053 /
2054 / wxPostScriptDC dc(NULL, TRUE);
2055 / if (dc.Ok()){
2056 / wxSetAFMPath("d:\\wxw161\\afm\\");
2057 / dc.StartDoc("Test");
2058 / dc.StartPage();
2059 / wxCoord w,h;
2060 / dc.SetFont(new wxFont(10, wxROMAN, wxNORMAL, wxNORMAL));
2061 / dc.GetTextExtent("Hallo",&w,&h);
2062 / dc.EndPage();
2063 / dc.EndDoc();
2064 / }
2065 /
2066 / by steve (stefan.hammes@urz.uni-heidelberg.de)
2067 / created: 10.09.94
2068 / updated: 14.05.95 */
2069
2070 /* these static vars are for storing the state between calls */
2071 static int lastFamily= INT_MIN;
2072 static int lastSize= INT_MIN;
2073 static int lastStyle= INT_MIN;
2074 static int lastWeight= INT_MIN;
2075 static int lastDescender = INT_MIN;
2076 static int lastWidths[256]; /* widths of the characters */
2077
2078 double UnderlinePosition = 0.0;
2079 double UnderlineThickness = 0.0;
2080
2081 // Get actual parameters
2082 int Family = fontToUse->GetFamily();
2083 int Size = fontToUse->GetPointSize();
2084 int Style = fontToUse->GetStyle();
2085 int Weight = fontToUse->GetWeight();
2086
2087 // If we have another font, read the font-metrics
2088 if (Family!=lastFamily || Size!=lastSize || Style!=lastStyle || Weight!=lastWeight)
2089 {
2090 // Store actual values
2091 lastFamily = Family;
2092 lastSize = Size;
2093 lastStyle = Style;
2094 lastWeight = Weight;
2095
2096 const char *name = NULL;
2097
2098 switch (Family)
2099 {
2100 case wxMODERN:
2101 case wxTELETYPE:
2102 {
2103 if ((Style == wxITALIC) && (Weight == wxBOLD)) name = "CourBoO.afm";
2104 else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = "CourBo.afm";
2105 else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = "CourO.afm";
2106 else name = "Cour.afm";
2107 break;
2108 }
2109 case wxROMAN:
2110 {
2111 if ((Style == wxITALIC) && (Weight == wxBOLD)) name = "TimesBoO.afm";
2112 else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = "TimesBo.afm";
2113 else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = "TimesO.afm";
2114 else name = "TimesRo.afm";
2115 break;
2116 }
2117 case wxSCRIPT:
2118 {
2119 name = "Zapf.afm";
2120 Style = wxNORMAL;
2121 Weight = wxNORMAL;
2122 }
2123 case wxSWISS:
2124 default:
2125 {
2126 if ((Style == wxITALIC) && (Weight == wxBOLD)) name = "HelvBoO.afm";
2127 else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = "HelvBo.afm";
2128 else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = "HelvO.afm";
2129 else name = "Helv.afm";
2130 break;
2131 }
2132 }
2133
2134 FILE *afmFile = NULL;
2135
2136 // Get the directory of the AFM files
2137 wxString afmName;
2138 if (!m_printData.GetFontMetricPath().IsEmpty())
2139 {
2140 afmName = m_printData.GetFontMetricPath();
2141 afmName << wxFILE_SEP_PATH << name;
2142 afmFile = wxFopen(afmName,wxT("r"));
2143 }
2144
2145 #if defined(__UNIX__) && !defined(__VMS__)
2146 if (afmFile==NULL)
2147 {
2148 afmName = wxGetDataDir();
2149 afmName << wxFILE_SEP_PATH
2150 #if defined(__LINUX__) || defined(__FREEBSD__)
2151 << wxT("gs_afm") << wxFILE_SEP_PATH
2152 #else
2153 << wxT("afm") << wxFILE_SEP_PATH
2154 #endif
2155 << name;
2156 afmFile = wxFopen(afmName,wxT("r"));
2157 }
2158 #endif
2159
2160 /* 2. open and process the file
2161 / a short explanation of the AFM format:
2162 / we have for each character a line, which gives its size
2163 / e.g.:
2164 /
2165 / C 63 ; WX 444 ; N question ; B 49 -14 395 676 ;
2166 /
2167 / that means, we have a character with ascii code 63, and width
2168 / (444/1000 * fontSize) points.
2169 / the other data is ignored for now!
2170 /
2171 / when the font has changed, we read in the right AFM file and store the
2172 / character widths in an array, which is processed below (see point 3.). */
2173 if (afmFile==NULL)
2174 {
2175 wxLogDebug( wxT("GetTextExtent: can't open AFM file '%s'"), afmName.c_str() );
2176 wxLogDebug( wxT(" using approximate values"));
2177 for (int i=0; i<256; i++) lastWidths[i] = 500; /* an approximate value */
2178 lastDescender = -150; /* dito. */
2179 }
2180 else
2181 {
2182 /* init the widths array */
2183 for(int i=0; i<256; i++) lastWidths[i] = INT_MIN;
2184 /* some variables for holding parts of a line */
2185 char cString[10],semiString[10],WXString[10],descString[20];
2186 char upString[30], utString[30], encString[50];
2187 char line[256];
2188 int ascii,cWidth;
2189 /* read in the file and parse it */
2190 while(fgets(line,sizeof(line),afmFile)!=NULL)
2191 {
2192 /* A.) check for descender definition */
2193 if (strncmp(line,"Descender",9)==0)
2194 {
2195 if ((sscanf(line,"%s%d",descString,&lastDescender)!=2) ||
2196 (strcmp(descString,"Descender")!=0))
2197 {
2198 wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad descender)"), afmName.c_str(),line );
2199 }
2200 }
2201 /* JC 1.) check for UnderlinePosition */
2202 else if(strncmp(line,"UnderlinePosition",17)==0)
2203 {
2204 if ((sscanf(line,"%s%lf",upString,&UnderlinePosition)!=2) ||
2205 (strcmp(upString,"UnderlinePosition")!=0))
2206 {
2207 wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad UnderlinePosition)"), afmName.c_str(), line );
2208 }
2209 }
2210 /* JC 2.) check for UnderlineThickness */
2211 else if(strncmp(line,"UnderlineThickness",18)==0)
2212 {
2213 if ((sscanf(line,"%s%lf",utString,&UnderlineThickness)!=2) ||
2214 (strcmp(utString,"UnderlineThickness")!=0))
2215 {
2216 wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad UnderlineThickness)"), afmName.c_str(), line );
2217 }
2218 }
2219 /* JC 3.) check for EncodingScheme */
2220 else if(strncmp(line,"EncodingScheme",14)==0)
2221 {
2222 if ((sscanf(line,"%s%s",utString,encString)!=2) ||
2223 (strcmp(utString,"EncodingScheme")!=0))
2224 {
2225 wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad EncodingScheme)"), afmName.c_str(), line );
2226 }
2227 else if (strncmp(encString, "AdobeStandardEncoding", 21))
2228 {
2229 wxLogDebug( wxT("AFM-file '%s': line '%s' has error (unsupported EncodingScheme %s)"),
2230 afmName.c_str(),line, encString);
2231 }
2232 }
2233 /* B.) check for char-width */
2234 else if(strncmp(line,"C ",2)==0)
2235 {
2236 if (sscanf(line,"%s%d%s%s%d",cString,&ascii,semiString,WXString,&cWidth)!=5)
2237 {
2238 wxLogDebug(wxT("AFM-file '%s': line '%s' has an error (bad character width)"),afmName.c_str(),line);
2239 }
2240 if(strcmp(cString,"C")!=0 || strcmp(semiString,";")!=0 || strcmp(WXString,"WX")!=0)
2241 {
2242 wxLogDebug(wxT("AFM-file '%s': line '%s' has a format error"),afmName.c_str(),line);
2243 }
2244 /* printf(" char '%c'=%d has width '%d'\n",ascii,ascii,cWidth); */
2245 if (ascii>=0 && ascii<256)
2246 {
2247 lastWidths[ascii] = cWidth; /* store width */
2248 }
2249 else
2250 {
2251 /* MATTHEW: this happens a lot; don't print an error */
2252 /* wxLogDebug("AFM-file '%s': ASCII value %d out of range",afmName.c_str(),ascii); */
2253 }
2254 }
2255 /* C.) ignore other entries. */
2256 }
2257 fclose(afmFile);
2258 }
2259 /* hack to compute correct values for german 'Umlaute'
2260 / the correct way would be to map the character names
2261 / like 'adieresis' to corresp. positions of ISOEnc and read
2262 / these values from AFM files, too. Maybe later ... */
2263 lastWidths[196] = lastWidths['A']; // Ä
2264 lastWidths[228] = lastWidths['a']; // ä
2265 lastWidths[214] = lastWidths['O']; // Ö
2266 lastWidths[246] = lastWidths['o']; // ö
2267 lastWidths[220] = lastWidths['U']; // Ü
2268 lastWidths[252] = lastWidths['u']; // ü
2269 lastWidths[223] = lastWidths[251]; // ß
2270
2271 /* JC: calculate UnderlineThickness/UnderlinePosition */
2272
2273 // VS: dirty, but is there any better solution?
2274 double *pt;
2275 pt = (double*) &m_underlinePosition;
2276 *pt = LogicalToDeviceYRel((wxCoord)(UnderlinePosition * fontToUse->GetPointSize())) / 1000.0f;
2277 pt = (double*) &m_underlineThickness;
2278 *pt = LogicalToDeviceYRel((wxCoord)(UnderlineThickness * fontToUse->GetPointSize())) / 1000.0f;
2279
2280 }
2281
2282
2283 /* 3. now the font metrics are read in, calc size this
2284 / is done by adding the widths of the characters in the
2285 / string. they are given in 1/1000 of the size! */
2286
2287 long sum=0;
2288 wxCoord height=Size; /* by default */
2289 unsigned char *p;
2290 for(p=(unsigned char *)wxMBSTRINGCAST strbuf; *p; p++)
2291 {
2292 if(lastWidths[*p]== INT_MIN)
2293 {
2294 wxLogDebug(wxT("GetTextExtent: undefined width for character '%c' (%d)"), *p,*p);
2295 sum += lastWidths[' ']; /* assume space */
2296 }
2297 else
2298 {
2299 sum += lastWidths[*p];
2300 }
2301 }
2302
2303 double widthSum = sum;
2304 widthSum *= Size;
2305 widthSum /= 1000.0F;
2306
2307 /* add descender to height (it is usually a negative value) */
2308 //if (lastDescender != INT_MIN)
2309 //{
2310 // height += (wxCoord)(((-lastDescender)/1000.0F) * Size); /* MATTHEW: forgot scale */
2311 //}
2312 // - commented by V. Slavik - height already contains descender in it
2313 // (judging from few experiments)
2314
2315 /* return size values */
2316 if ( x )
2317 *x = (wxCoord)widthSum;
2318 if ( y )
2319 *y = height;
2320
2321 /* return other parameters */
2322 if (descent)
2323 {
2324 if(lastDescender!=INT_MIN)
2325 {
2326 *descent = (wxCoord)(((-lastDescender)/1000.0F) * Size); /* MATTHEW: forgot scale */
2327 }
2328 else
2329 {
2330 *descent = 0;
2331 }
2332 }
2333
2334 /* currently no idea how to calculate this! */
2335 if (externalLeading) *externalLeading = 0;
2336 #endif
2337 // Use AFM
2338
2339 #endif
2340 // GTK 2.0
2341 }
2342
2343 #if WXWIN_COMPATIBILITY_2_2
2344 WXDLLEXPORT wxPrintSetupData *wxThePrintSetupData = 0;
2345
2346 void wxInitializePrintSetupData(bool init)
2347 {
2348 if (init)
2349 {
2350 // gets initialized in the constructor
2351 wxThePrintSetupData = new wxPrintSetupData;
2352 }
2353 else
2354 {
2355 delete wxThePrintSetupData;
2356
2357 wxThePrintSetupData = (wxPrintSetupData *) NULL;
2358 }
2359 }
2360
2361 // A module to allow initialization/cleanup of PostScript-related
2362 // things without calling these functions from app.cpp.
2363
2364 class WXDLLEXPORT wxPostScriptModule: public wxModule
2365 {
2366 DECLARE_DYNAMIC_CLASS(wxPostScriptModule)
2367 public:
2368 wxPostScriptModule() {}
2369 bool OnInit();
2370 void OnExit();
2371 };
2372
2373 IMPLEMENT_DYNAMIC_CLASS(wxPostScriptModule, wxModule)
2374
2375 bool wxPostScriptModule::OnInit()
2376 {
2377 wxInitializePrintSetupData();
2378
2379 return TRUE;
2380 }
2381
2382 void wxPostScriptModule::OnExit()
2383 {
2384 wxInitializePrintSetupData(FALSE);
2385 }
2386 #endif
2387 // WXWIN_COMPATIBILITY_2_2
2388
2389 #endif
2390 // wxUSE_POSTSCRIPT
2391
2392 #endif
2393 // wxUSE_PRINTING_ARCHITECTURE
2394
2395
2396 // vi:sts=4:sw=4:et
wxWidgets (Impactor)