]> git.saurik.com Git - wxWidgets.git/blob - src/generic/dcpsg.cpp
projects / wxWidgets.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Checked for stream validity in wxImage::GetImageCount.
[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 #if wxUSE_PANGO
208 #else
209 static char wxPostScriptHeaderReencodeISO1[] =
210 "\n/reencodeISO {\n"
211 "dup dup findfont dup length dict begin\n"
212 "{ 1 index /FID ne { def }{ pop pop } ifelse } forall\n"
213 "/Encoding ISOLatin1Encoding def\n"
214 "currentdict end definefont\n"
215 "} def\n"
216 "/ISOLatin1Encoding [\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 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
221 "/space/exclam/quotedbl/numbersign/dollar/percent/ampersand/quoteright\n"
222 "/parenleft/parenright/asterisk/plus/comma/minus/period/slash\n"
223 "/zero/one/two/three/four/five/six/seven/eight/nine/colon/semicolon\n"
224 "/less/equal/greater/question/at/A/B/C/D/E/F/G/H/I/J/K/L/M/N\n"
225 "/O/P/Q/R/S/T/U/V/W/X/Y/Z/bracketleft/backslash/bracketright\n"
226 "/asciicircum/underscore/quoteleft/a/b/c/d/e/f/g/h/i/j/k/l/m\n"
227 "/n/o/p/q/r/s/t/u/v/w/x/y/z/braceleft/bar/braceright/asciitilde\n"
228 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
229 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
230 "/.notdef/dotlessi/grave/acute/circumflex/tilde/macron/breve\n"
231 "/dotaccent/dieresis/.notdef/ring/cedilla/.notdef/hungarumlaut\n";
232
233 static char wxPostScriptHeaderReencodeISO2[] =
234 "/ogonek/caron/space/exclamdown/cent/sterling/currency/yen/brokenbar\n"
235 "/section/dieresis/copyright/ordfeminine/guillemotleft/logicalnot\n"
236 "/hyphen/registered/macron/degree/plusminus/twosuperior/threesuperior\n"
237 "/acute/mu/paragraph/periodcentered/cedilla/onesuperior/ordmasculine\n"
238 "/guillemotright/onequarter/onehalf/threequarters/questiondown\n"
239 "/Agrave/Aacute/Acircumflex/Atilde/Adieresis/Aring/AE/Ccedilla\n"
240 "/Egrave/Eacute/Ecircumflex/Edieresis/Igrave/Iacute/Icircumflex\n"
241 "/Idieresis/Eth/Ntilde/Ograve/Oacute/Ocircumflex/Otilde/Odieresis\n"
242 "/multiply/Oslash/Ugrave/Uacute/Ucircumflex/Udieresis/Yacute\n"
243 "/Thorn/germandbls/agrave/aacute/acircumflex/atilde/adieresis\n"
244 "/aring/ae/ccedilla/egrave/eacute/ecircumflex/edieresis/igrave\n"
245 "/iacute/icircumflex/idieresis/eth/ntilde/ograve/oacute/ocircumflex\n"
246 "/otilde/odieresis/divide/oslash/ugrave/uacute/ucircumflex/udieresis\n"
247 "/yacute/thorn/ydieresis\n"
248 "] def\n\n";
249 #endif
250
251 //-------------------------------------------------------------------------------
252 // wxPostScriptDC
253 //-------------------------------------------------------------------------------
254
255 IMPLEMENT_DYNAMIC_CLASS(wxPostScriptDC, wxDC)
256
257 float wxPostScriptDC::ms_PSScaleFactor = 10.0;
258
259 void wxPostScriptDC::SetResolution(int ppi)
260 {
261 ms_PSScaleFactor = (float)ppi / 72.0;
262 }
263
264 int wxPostScriptDC::GetResolution()
265 {
266 return (int)(ms_PSScaleFactor * 72.0);
267 }
268
269 //-------------------------------------------------------------------------------
270
271 wxPostScriptDC::wxPostScriptDC ()
272 {
273 m_pstream = (FILE*) NULL;
274
275 m_currentRed = 0;
276 m_currentGreen = 0;
277 m_currentBlue = 0;
278
279 m_pageNumber = 0;
280
281 m_clipping = FALSE;
282
283 m_underlinePosition = 0.0;
284 m_underlineThickness = 0.0;
285
286 m_signX = 1; // default x-axis left to right
287 m_signY = -1; // default y-axis bottom up -> top down
288 }
289
290 wxPostScriptDC::wxPostScriptDC (const wxPrintData& printData)
291 {
292 m_pstream = (FILE*) NULL;
293
294 m_currentRed = 0;
295 m_currentGreen = 0;
296 m_currentBlue = 0;
297
298 m_pageNumber = 0;
299
300 m_clipping = FALSE;
301
302 m_underlinePosition = 0.0;
303 m_underlineThickness = 0.0;
304
305 m_signX = 1; // default x-axis left to right
306 m_signY = -1; // default y-axis bottom up -> top down
307
308 m_printData = printData;
309
310 m_ok = TRUE;
311 }
312
313 wxPostScriptDC::~wxPostScriptDC ()
314 {
315 if (m_pstream)
316 {
317 fclose( m_pstream );
318 m_pstream = (FILE*) NULL;
319 }
320 }
321
322 #if WXWIN_COMPATIBILITY_2_2
323 bool wxPostScriptDC::Create( const wxString &output, bool interactive, wxWindow *parent )
324 {
325 wxPrintData data;
326 data.SetFilename( output );
327 data.SetPrintMode( wxPRINT_MODE_FILE );
328
329 if (interactive)
330 {
331 wxPrintDialogData ddata( data );
332 wxPrintDialog dialog( parent, &data );
333 dialog.GetPrintDialogData().SetSetupDialog(TRUE);
334 if (dialog.ShowModal() != wxID_OK)
335 {
336 m_ok = FALSE;
337 return FALSE;
338 }
339 data = dialog.GetPrintDialogData().GetPrintData();
340 }
341
342 return TRUE;
343 }
344 #endif
345
346
347 bool wxPostScriptDC::Ok() const
348 {
349 return m_ok;
350 }
351
352 void wxPostScriptDC::DoSetClippingRegion (wxCoord x, wxCoord y, wxCoord w, wxCoord h)
353 {
354 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
355
356 if (m_clipping) DestroyClippingRegion();
357
358 wxDC::DoSetClippingRegion(x, y, w, h);
359
360 m_clipping = TRUE;
361 fprintf( m_pstream,
362 "gsave\n newpath\n"
363 "%d %d moveto\n"
364 "%d %d lineto\n"
365 "%d %d lineto\n"
366 "%d %d lineto\n"
367 "closepath clip newpath\n",
368 LogicalToDeviceX(x), LogicalToDeviceY(y),
369 LogicalToDeviceX(x+w), LogicalToDeviceY(y),
370 LogicalToDeviceX(x+w), LogicalToDeviceY(y+h),
371 LogicalToDeviceX(x), LogicalToDeviceY(y+h) );
372 }
373
374
375 void wxPostScriptDC::DestroyClippingRegion()
376 {
377 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
378
379 if (m_clipping)
380 {
381 m_clipping = FALSE;
382 fprintf( m_pstream, "grestore\n" );
383 }
384
385 wxDC::DestroyClippingRegion();
386 }
387
388 void wxPostScriptDC::Clear()
389 {
390 wxFAIL_MSG( wxT("wxPostScriptDC::Clear not implemented.") );
391 }
392
393 bool wxPostScriptDC::DoFloodFill (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), const wxColour &WXUNUSED(col), int WXUNUSED(style))
394 {
395 wxFAIL_MSG( wxT("wxPostScriptDC::FloodFill not implemented.") );
396 return FALSE;
397 }
398
399 bool wxPostScriptDC::DoGetPixel (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), wxColour * WXUNUSED(col)) const
400 {
401 wxFAIL_MSG( wxT("wxPostScriptDC::GetPixel not implemented.") );
402 return FALSE;
403 }
404
405 void wxPostScriptDC::DoCrossHair (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y))
406 {
407 wxFAIL_MSG( wxT("wxPostScriptDC::CrossHair not implemented.") );
408 }
409
410 void wxPostScriptDC::DoDrawLine (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
411 {
412 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
413
414 if (m_pen.GetStyle() == wxTRANSPARENT) return;
415
416 SetPen( m_pen );
417
418 fprintf( m_pstream,
419 "newpath\n"
420 "%d %d moveto\n"
421 "%d %d lineto\n"
422 "stroke\n",
423 LogicalToDeviceX(x1), LogicalToDeviceY(y1),
424 LogicalToDeviceX(x2), LogicalToDeviceY (y2) );
425
426 CalcBoundingBox( x1, y1 );
427 CalcBoundingBox( x2, y2 );
428 }
429
430 #define RAD2DEG 57.29577951308
431
432 void wxPostScriptDC::DoDrawArc (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc)
433 {
434 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
435
436 wxCoord dx = x1 - xc;
437 wxCoord dy = y1 - yc;
438 wxCoord radius = (wxCoord) sqrt( (double)(dx*dx+dy*dy) );
439 double alpha1, alpha2;
440
441 if (x1 == x2 && y1 == y2)
442 {
443 alpha1 = 0.0;
444 alpha2 = 360.0;
445 }
446 else if (radius == 0.0)
447 {
448 alpha1 = alpha2 = 0.0;
449 }
450 else
451 {
452 alpha1 = (x1 - xc == 0) ?
453 (y1 - yc < 0) ? 90.0 : -90.0 :
454 -atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
455 alpha2 = (x2 - xc == 0) ?
456 (y2 - yc < 0) ? 90.0 : -90.0 :
457 -atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
458 }
459 while (alpha1 <= 0) alpha1 += 360;
460 while (alpha2 <= 0) alpha2 += 360; // adjust angles to be between
461 while (alpha1 > 360) alpha1 -= 360; // 0 and 360 degree
462 while (alpha2 > 360) alpha2 -= 360;
463
464 if (m_brush.GetStyle() != wxTRANSPARENT)
465 {
466 SetBrush( m_brush );
467
468 fprintf( m_pstream,
469 "newpath\n"
470 "%d %d %d %d %d %d ellipse\n"
471 "%d %d lineto\n"
472 "closepath\n"
473 "fill\n",
474 LogicalToDeviceX(xc), LogicalToDeviceY(yc), LogicalToDeviceXRel(radius), LogicalToDeviceYRel(radius), (wxCoord)alpha1, (wxCoord) alpha2,
475 LogicalToDeviceX(xc), LogicalToDeviceY(yc) );
476
477 CalcBoundingBox( xc-radius, yc-radius );
478 CalcBoundingBox( xc+radius, yc+radius );
479 }
480
481 if (m_pen.GetStyle() != wxTRANSPARENT)
482 {
483 SetPen( m_pen );
484
485 fprintf( m_pstream,
486 "newpath\n"
487 "%d %d %d %d %d %d ellipse\n"
488 "%d %d lineto\n"
489 "stroke\n"
490 "fill\n",
491 LogicalToDeviceX(xc), LogicalToDeviceY(yc), LogicalToDeviceXRel(radius), LogicalToDeviceYRel(radius), (wxCoord)alpha1, (wxCoord) alpha2,
492 LogicalToDeviceX(xc), LogicalToDeviceY(yc) );
493
494 CalcBoundingBox( xc-radius, yc-radius );
495 CalcBoundingBox( xc+radius, yc+radius );
496 }
497 }
498
499 void wxPostScriptDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
500 {
501 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
502
503 if (sa>=360 || sa<=-360) sa=sa-int(sa/360)*360;
504 if (ea>=360 || ea<=-360) ea=ea-int(ea/360)*360;
505 if (sa<0) sa+=360;
506 if (ea<0) ea+=360;
507
508 if (sa==ea)
509 {
510 DrawEllipse(x,y,w,h);
511 return;
512 }
513
514 if (m_brush.GetStyle () != wxTRANSPARENT)
515 {
516 SetBrush( m_brush );
517
518 fprintf( m_pstream,
519 "newpath\n"
520 "%d %d %d %d %d %d true ellipticarc\n",
521 LogicalToDeviceX(x+w/2), LogicalToDeviceY(y+h/2), LogicalToDeviceXRel(w/2), LogicalToDeviceYRel(h/2), (wxCoord)sa, (wxCoord)ea );
522
523 CalcBoundingBox( x ,y );
524 CalcBoundingBox( x+w, y+h );
525 }
526
527 if (m_pen.GetStyle () != wxTRANSPARENT)
528 {
529 SetPen( m_pen );
530
531 fprintf(m_pstream,
532 "newpath\n"
533 "%d %d %d %d %d %d false ellipticarc\n",
534 LogicalToDeviceX(x+w/2), LogicalToDeviceY(y+h/2), LogicalToDeviceXRel(w/2), LogicalToDeviceYRel(h/2), (wxCoord)sa, (wxCoord)ea );
535
536 CalcBoundingBox( x ,y );
537 CalcBoundingBox( x+w, y+h );
538 }
539 }
540
541 void wxPostScriptDC::DoDrawPoint (wxCoord x, wxCoord y)
542 {
543 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
544
545 if (m_pen.GetStyle() == wxTRANSPARENT) return;
546
547 SetPen (m_pen);
548
549 fprintf( m_pstream,
550 "newpath\n"
551 "%d %d moveto\n"
552 "%d %d lineto\n"
553 "stroke\n",
554 LogicalToDeviceX(x), LogicalToDeviceY(y),
555 LogicalToDeviceX(x+1), LogicalToDeviceY(y) );
556
557 CalcBoundingBox( x, y );
558 }
559
560 void wxPostScriptDC::DoDrawPolygon (int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int WXUNUSED(fillStyle))
561 {
562 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
563
564 if (n <= 0) return;
565
566 if (m_brush.GetStyle () != wxTRANSPARENT)
567 {
568 SetBrush( m_brush );
569
570 fprintf( m_pstream, "newpath\n" );
571
572 wxCoord xx = LogicalToDeviceX(points[0].x + xoffset);
573 wxCoord yy = LogicalToDeviceY(points[0].y + yoffset);
574
575 fprintf( m_pstream, "%d %d moveto\n", xx, yy );
576
577 CalcBoundingBox( points[0].x + xoffset, points[0].y + yoffset );
578
579 for (int i = 1; i < n; i++)
580 {
581 xx = LogicalToDeviceX(points[i].x + xoffset);
582 yy = LogicalToDeviceY(points[i].y + yoffset);
583
584 fprintf( m_pstream, "%d %d lineto\n", xx, yy );
585
586 CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset);
587 }
588
589 fprintf( m_pstream, "fill\n" );
590 }
591
592 if (m_pen.GetStyle () != wxTRANSPARENT)
593 {
594 SetPen( m_pen );
595
596 fprintf( m_pstream, "newpath\n" );
597
598 wxCoord xx = LogicalToDeviceX(points[0].x + xoffset);
599 wxCoord yy = LogicalToDeviceY(points[0].y + yoffset);
600
601 fprintf( m_pstream, "%d %d moveto\n", xx, yy );
602
603 CalcBoundingBox( points[0].x + xoffset, points[0].y + yoffset );
604
605 for (int i = 1; i < n; i++)
606 {
607 xx = LogicalToDeviceX(points[i].x + xoffset);
608 yy = LogicalToDeviceY(points[i].y + yoffset);
609
610 fprintf( m_pstream, "%d %d lineto\n", xx, yy );
611
612 CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset);
613 }
614
615 fprintf( m_pstream, "closepath\n" );
616 fprintf( m_pstream, "stroke\n" );
617 }
618 }
619
620 void wxPostScriptDC::DoDrawLines (int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
621 {
622 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
623
624 if (m_pen.GetStyle() == wxTRANSPARENT) return;
625
626 if (n <= 0) return;
627
628 SetPen (m_pen);
629
630 int i;
631 for ( i =0; i<n ; i++ )
632 {
633 CalcBoundingBox( LogicalToDeviceX(points[i].x+xoffset), LogicalToDeviceY(points[i].y+yoffset));
634 }
635
636 fprintf( m_pstream,
637 "newpath\n"
638 "%d %d moveto\n",
639 LogicalToDeviceX(points[0].x+xoffset), LogicalToDeviceY(points[0].y+yoffset) );
640
641 for (i = 1; i < n; i++)
642 {
643 fprintf( m_pstream,
644 "%d %d lineto\n",
645 LogicalToDeviceX(points[i].x+xoffset), LogicalToDeviceY(points[i].y+yoffset) );
646 }
647
648 fprintf( m_pstream, "stroke\n" );
649 }
650
651 void wxPostScriptDC::DoDrawRectangle (wxCoord x, wxCoord y, wxCoord width, wxCoord height)
652 {
653 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
654
655 if (m_brush.GetStyle () != wxTRANSPARENT)
656 {
657 SetBrush( m_brush );
658
659 fprintf( m_pstream,
660 "newpath\n"
661 "%d %d moveto\n"
662 "%d %d lineto\n"
663 "%d %d lineto\n"
664 "%d %d lineto\n"
665 "closepath\n"
666 "fill\n",
667 LogicalToDeviceX(x), LogicalToDeviceY(y),
668 LogicalToDeviceX(x + width), LogicalToDeviceY(y),
669 LogicalToDeviceX(x + width), LogicalToDeviceY(y + height),
670 LogicalToDeviceX(x), LogicalToDeviceY(y + height) );
671
672 CalcBoundingBox( x, y );
673 CalcBoundingBox( x + width, y + height );
674 }
675
676 if (m_pen.GetStyle () != wxTRANSPARENT)
677 {
678 SetPen (m_pen);
679
680 fprintf( m_pstream,
681 "newpath\n"
682 "%d %d moveto\n"
683 "%d %d lineto\n"
684 "%d %d lineto\n"
685 "%d %d lineto\n"
686 "closepath\n"
687 "stroke\n",
688 LogicalToDeviceX(x), LogicalToDeviceY(y),
689 LogicalToDeviceX(x + width), LogicalToDeviceY(y),
690 LogicalToDeviceX(x + width), LogicalToDeviceY(y + height),
691 LogicalToDeviceX(x), LogicalToDeviceY(y + height) );
692
693 CalcBoundingBox( x, y );
694 CalcBoundingBox( x + width, y + height );
695 }
696 }
697
698 void wxPostScriptDC::DoDrawRoundedRectangle (wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
699 {
700 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
701
702 if (radius < 0.0)
703 {
704 // Now, a negative radius is interpreted to mean
705 // 'the proportion of the smallest X or Y dimension'
706 double smallest = 0.0;
707 if (width < height)
708 smallest = width;
709 else
710 smallest = height;
711 radius = (-radius * smallest);
712 }
713
714 wxCoord rad = (wxCoord) radius;
715
716 if (m_brush.GetStyle () != wxTRANSPARENT)
717 {
718 SetBrush( m_brush );
719
720 /* Draw rectangle anticlockwise */
721 fprintf( m_pstream,
722 "newpath\n"
723 "%d %d %d 90 180 arc\n"
724 "%d %d moveto\n"
725 "%d %d %d 180 270 arc\n"
726 "%d %d lineto\n"
727 "%d %d %d 270 0 arc\n"
728 "%d %d lineto\n"
729 "%d %d %d 0 90 arc\n"
730 "%d %d lineto\n"
731 "closepath\n"
732 "fill\n",
733 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
734 LogicalToDeviceX(x), LogicalToDeviceY(y + rad),
735 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
736 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height),
737 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
738 LogicalToDeviceX(x + width), LogicalToDeviceY(y + rad),
739 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
740 LogicalToDeviceX(x + rad), LogicalToDeviceY(y) );
741
742 CalcBoundingBox( x, y );
743 CalcBoundingBox( x + width, y + height );
744 }
745
746 if (m_pen.GetStyle () != wxTRANSPARENT)
747 {
748 SetPen (m_pen);
749
750 /* Draw rectangle anticlockwise */
751 fprintf( m_pstream,
752 "newpath\n"
753 "%d %d %d 90 180 arc\n"
754 "%d %d moveto\n"
755 "%d %d %d 180 270 arc\n"
756 "%d %d lineto\n"
757 "%d %d %d 270 0 arc\n"
758 "%d %d lineto\n"
759 "%d %d %d 0 90 arc\n"
760 "%d %d lineto\n"
761 "closepath\n"
762 "stroke\n",
763 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
764 LogicalToDeviceX(x), LogicalToDeviceY(y + rad),
765 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
766 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height),
767 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
768 LogicalToDeviceX(x + width), LogicalToDeviceY(y + rad),
769 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
770 LogicalToDeviceX(x + rad), LogicalToDeviceY(y) );
771
772 CalcBoundingBox( x, y );
773 CalcBoundingBox( x + width, y + height );
774 }
775 }
776
777 void wxPostScriptDC::DoDrawEllipse (wxCoord x, wxCoord y, wxCoord width, wxCoord height)
778 {
779 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
780
781 if (m_brush.GetStyle () != wxTRANSPARENT)
782 {
783 SetBrush (m_brush);
784
785 fprintf( m_pstream,
786 "newpath\n"
787 "%d %d %d %d 0 360 ellipse\n"
788 "fill\n",
789 LogicalToDeviceX(x + width / 2), LogicalToDeviceY(y + height / 2),
790 LogicalToDeviceXRel(width / 2), LogicalToDeviceYRel(height / 2) );
791
792 CalcBoundingBox( x - width, y - height );
793 CalcBoundingBox( x + width, y + height );
794 }
795
796 if (m_pen.GetStyle () != wxTRANSPARENT)
797 {
798 SetPen (m_pen);
799
800 fprintf( m_pstream,
801 "newpath\n"
802 "%d %d %d %d 0 360 ellipse\n"
803 "stroke\n",
804 LogicalToDeviceX(x + width / 2), LogicalToDeviceY(y + height / 2),
805 LogicalToDeviceXRel(width / 2), LogicalToDeviceYRel(height / 2) );
806
807 CalcBoundingBox( x - width, y - height );
808 CalcBoundingBox( x + width, y + height );
809 }
810 }
811
812 void wxPostScriptDC::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
813 {
814 DrawBitmap( icon, x, y, TRUE );
815 }
816
817 /* this has to be char, not wxChar */
818 static char hexArray[] = "0123456789ABCDEF";
819 static void LocalDecToHex( int dec, char *buf )
820 {
821 int firstDigit = (int)(dec/16.0);
822 int secondDigit = (int)(dec - (firstDigit*16.0));
823 buf[0] = hexArray[firstDigit];
824 buf[1] = hexArray[secondDigit];
825 buf[2] = 0;
826 }
827
828 void wxPostScriptDC::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool WXUNUSED(useMask) )
829 {
830 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
831
832 if (!bitmap.Ok()) return;
833
834 wxImage image = bitmap.ConvertToImage();
835
836 if (!image.Ok()) return;
837
838 wxCoord w = image.GetWidth();
839 wxCoord h = image.GetHeight();
840
841 wxCoord ww = LogicalToDeviceXRel(image.GetWidth());
842 wxCoord hh = LogicalToDeviceYRel(image.GetHeight());
843
844 wxCoord xx = LogicalToDeviceX(x);
845 wxCoord yy = LogicalToDeviceY(y + bitmap.GetHeight());
846
847 fprintf( m_pstream,
848 "/origstate save def\n"
849 "20 dict begin\n"
850 "/pix %d string def\n"
851 "/grays %d string def\n"
852 "/npixels 0 def\n"
853 "/rgbindx 0 def\n"
854 "%d %d translate\n"
855 "%d %d scale\n"
856 "%d %d 8\n"
857 "[%d 0 0 %d 0 %d]\n"
858 "{currentfile pix readhexstring pop}\n"
859 "false 3 colorimage\n",
860 w, w, xx, yy, ww, hh, w, h, w, -h, h );
861
862
863 for (int j = 0; j < h; j++)
864 {
865 for (int i = 0; i < w; i++)
866 {
867 char buffer[5];
868 LocalDecToHex( image.GetRed(i,j), buffer );
869 fprintf( m_pstream, buffer );
870 LocalDecToHex( image.GetGreen(i,j), buffer );
871 fprintf( m_pstream, buffer );
872 LocalDecToHex( image.GetBlue(i,j), buffer );
873 fprintf( m_pstream, buffer );
874 }
875 fprintf( m_pstream, "\n" );
876 }
877
878 fprintf( m_pstream, "end\n" );
879 fprintf( m_pstream, "origstate restore\n" );
880 }
881
882 void wxPostScriptDC::SetFont( const wxFont& font )
883 {
884 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
885
886 if (!font.Ok()) return;
887
888 m_font = font;
889
890 #if wxUSE_PANGO
891 #else
892 int Style = m_font.GetStyle();
893 int Weight = m_font.GetWeight();
894
895 const char *name;
896 switch (m_font.GetFamily())
897 {
898 case wxTELETYPE:
899 case wxMODERN:
900 {
901 if (Style == wxITALIC)
902 {
903 if (Weight == wxBOLD)
904 name = "/Courier-BoldOblique";
905 else
906 name = "/Courier-Oblique";
907 }
908 else
909 {
910 if (Weight == wxBOLD)
911 name = "/Courier-Bold";
912 else
913 name = "/Courier";
914 }
915 break;
916 }
917 case wxROMAN:
918 {
919 if (Style == wxITALIC)
920 {
921 if (Weight == wxBOLD)
922 name = "/Times-BoldItalic";
923 else
924 name = "/Times-Italic";
925 }
926 else
927 {
928 if (Weight == wxBOLD)
929 name = "/Times-Bold";
930 else
931 name = "/Times-Roman";
932 }
933 break;
934 }
935 case wxSCRIPT:
936 {
937 name = "/ZapfChancery-MediumItalic";
938 Style = wxNORMAL;
939 Weight = wxNORMAL;
940 break;
941 }
942 case wxSWISS:
943 default:
944 {
945 if (Style == wxITALIC)
946 {
947 if (Weight == wxBOLD)
948 name = "/Helvetica-BoldOblique";
949 else
950 name = "/Helvetica-Oblique";
951 }
952 else
953 {
954 if (Weight == wxBOLD)
955 name = "/Helvetica-Bold";
956 else
957 name = "/Helvetica";
958 }
959 break;
960 }
961 }
962
963 fprintf( m_pstream, name );
964 fprintf( m_pstream, " reencodeISO def\n" );
965 fprintf( m_pstream, name );
966 fprintf( m_pstream, " findfont\n" );
967
968 char buffer[100];
969 sprintf( buffer, "%f scalefont setfont\n", LogicalToDeviceYRel(m_font.GetPointSize() * 1000) / 1000.0F);
970 // this is a hack - we must scale font size (in pts) according to m_scaleY but
971 // LogicalToDeviceYRel works with wxCoord type (int or longint). Se we first convert font size
972 // to 1/1000th of pt and then back.
973 for (int i = 0; i < 100; i++)
974 if (buffer[i] == ',') buffer[i] = '.';
975 fprintf( m_pstream, buffer );
976 #endif
977 }
978
979 void wxPostScriptDC::SetPen( const wxPen& pen )
980 {
981 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
982
983 if (!pen.Ok()) return;
984
985 int oldStyle = m_pen.GetStyle();
986
987 m_pen = pen;
988
989 {
990 char buffer[100];
991 #ifdef __WXMSW__
992 sprintf( buffer, "%f setlinewidth\n", LogicalToDeviceXRel(1000 * m_pen.GetWidth()) / 1000.0f );
993 #else
994 sprintf( buffer, "%f setlinewidth\n", LogicalToDeviceXRel(1000 * m_pen.GetWidth()) / 1000.0f );
995 #endif
996 for (int i = 0; i < 100; i++)
997 if (buffer[i] == ',') buffer[i] = '.';
998 fprintf( m_pstream, buffer );
999 }
1000
1001 /*
1002 Line style - WRONG: 2nd arg is OFFSET
1003
1004 Here, I'm afraid you do not conceive meaning of parameters of 'setdash'
1005 operator correctly. You should look-up this in the Red Book: the 2nd parame-
1006 ter is not number of values in the array of the first one, but an offset
1007 into this description of the pattern. I mean a real *offset* not index
1008 into array. I.e. If the command is [3 4] 1 setdash is used, then there
1009 will be first black line *2* units wxCoord, then space 4 units, then the
1010 pattern of *3* units black, 4 units space will be repeated.
1011 */
1012
1013 static const char *dotted = "[2 5] 2";
1014 static const char *short_dashed = "[4 4] 2";
1015 static const char *wxCoord_dashed = "[4 8] 2";
1016 static const char *dotted_dashed = "[6 6 2 6] 4";
1017
1018 const char *psdash = (char *) NULL;
1019 switch (m_pen.GetStyle())
1020 {
1021 case wxDOT: psdash = dotted; break;
1022 case wxSHORT_DASH: psdash = short_dashed; break;
1023 case wxLONG_DASH: psdash = wxCoord_dashed; break;
1024 case wxDOT_DASH: psdash = dotted_dashed; break;
1025 case wxSOLID:
1026 case wxTRANSPARENT:
1027 default: psdash = "[] 0"; break;
1028 }
1029
1030 if (oldStyle != m_pen.GetStyle())
1031 {
1032 fprintf( m_pstream, psdash );
1033 fprintf( m_pstream," setdash\n" );
1034 }
1035
1036 // Line colour
1037 unsigned char red = m_pen.GetColour().Red();
1038 unsigned char blue = m_pen.GetColour().Blue();
1039 unsigned char green = m_pen.GetColour().Green();
1040
1041 if (!m_colour)
1042 {
1043 // Anything not white is black
1044 if (! (red == (unsigned char) 255 &&
1045 blue == (unsigned char) 255 &&
1046 green == (unsigned char) 255) )
1047 {
1048 red = (unsigned char) 0;
1049 green = (unsigned char) 0;
1050 blue = (unsigned char) 0;
1051 }
1052 // setgray here ?
1053 }
1054
1055 if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1056 {
1057 double redPS = (double)(red) / 255.0;
1058 double bluePS = (double)(blue) / 255.0;
1059 double greenPS = (double)(green) / 255.0;
1060
1061 char buffer[100];
1062 sprintf( buffer,
1063 "%.8f %.8f %.8f setrgbcolor\n",
1064 redPS, greenPS, bluePS );
1065 for (int i = 0; i < 100; i++)
1066 if (buffer[i] == ',') buffer[i] = '.';
1067 fprintf( m_pstream, buffer );
1068
1069 m_currentRed = red;
1070 m_currentBlue = blue;
1071 m_currentGreen = green;
1072 }
1073 }
1074
1075 void wxPostScriptDC::SetBrush( const wxBrush& brush )
1076 {
1077 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
1078
1079 if (!brush.Ok()) return;
1080
1081 m_brush = brush;
1082
1083 // Brush colour
1084 unsigned char red = m_brush.GetColour().Red();
1085 unsigned char blue = m_brush.GetColour().Blue();
1086 unsigned char green = m_brush.GetColour().Green();
1087
1088 if (!m_colour)
1089 {
1090 // Anything not white is black
1091 if (! (red == (unsigned char) 255 &&
1092 blue == (unsigned char) 255 &&
1093 green == (unsigned char) 255) )
1094 {
1095 red = (unsigned char) 0;
1096 green = (unsigned char) 0;
1097 blue = (unsigned char) 0;
1098 }
1099 // setgray here ?
1100 }
1101
1102 if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1103 {
1104 double redPS = (double)(red) / 255.0;
1105 double bluePS = (double)(blue) / 255.0;
1106 double greenPS = (double)(green) / 255.0;
1107
1108 char buffer[100];
1109 sprintf( buffer,
1110 "%.8f %.8f %.8f setrgbcolor\n",
1111 redPS, greenPS, bluePS );
1112 for (int i = 0; i < 100; i++)
1113 if (buffer[i] == ',') buffer[i] = '.';
1114 fprintf( m_pstream, buffer );
1115
1116 m_currentRed = red;
1117 m_currentBlue = blue;
1118 m_currentGreen = green;
1119 }
1120 }
1121
1122 #if wxUSE_PANGO
1123
1124 #define PANGO_ENABLE_ENGINE
1125
1126 #ifdef __WXGTK20__
1127 #include "wx/gtk/private.h"
1128 #include "gtk/gtk.h"
1129 #else
1130 #include "wx/x11/private.h"
1131 #endif
1132
1133 #include "wx/fontutil.h"
1134 #include <pango/pangoft2.h>
1135 #include <freetype/ftglyph.h>
1136
1137 #ifndef FT_Outline_Decompose
1138 FT_EXPORT( FT_Error ) FT_Outline_Decompose(
1139 FT_Outline* outline,
1140 const FT_Outline_Funcs* interface,
1141 void* user );
1142 #endif
1143
1144 typedef struct _OutlineInfo OutlineInfo;
1145 struct _OutlineInfo {
1146 FILE *file;
1147 };
1148
1149 static int paps_move_to( FT_Vector* to,
1150 void *user_data)
1151 {
1152 OutlineInfo *outline_info = (OutlineInfo*)user_data;
1153 fprintf(outline_info->file, "%d %d moveto\n",
1154 (int)to->x ,
1155 (int)to->y );
1156 return 0;
1157 }
1158
1159 static int paps_line_to( FT_Vector* to,
1160 void *user_data)
1161 {
1162 OutlineInfo *outline_info = (OutlineInfo*)user_data;
1163 fprintf(outline_info->file, "%d %d lineto\n",
1164 (int)to->x ,
1165 (int)to->y );
1166 return 0;
1167 }
1168
1169 static int paps_conic_to( FT_Vector* control,
1170 FT_Vector* to,
1171 void *user_data)
1172 {
1173 OutlineInfo *outline_info = (OutlineInfo*)user_data;
1174 fprintf(outline_info->file, "%d %d %d %d conicto\n",
1175 (int)control->x ,
1176 (int)control->y ,
1177 (int)to->x ,
1178 (int)to->y );
1179 return 0;
1180 }
1181
1182 static int paps_cubic_to( FT_Vector* control1,
1183 FT_Vector* control2,
1184 FT_Vector* to,
1185 void *user_data)
1186 {
1187 OutlineInfo *outline_info = (OutlineInfo*)user_data;
1188 fprintf(outline_info->file,
1189 "%d %d %d %d %d %d curveto\n",
1190 (int)control1->x ,
1191 (int)control1->y ,
1192 (int)control2->x ,
1193 (int)control2->y ,
1194 (int)to->x ,
1195 (int)to->y );
1196 return 0;
1197 }
1198
1199 void draw_bezier_outline(FILE *file,
1200 FT_Face face,
1201 FT_UInt glyph_index,
1202 int pos_x,
1203 int pos_y,
1204 int scale_x,
1205 int scale_y )
1206 {
1207 FT_Int load_flags = FT_LOAD_NO_BITMAP;
1208 FT_Glyph glyph;
1209
1210 FT_Outline_Funcs outlinefunc =
1211 {
1212 paps_move_to,
1213 paps_line_to,
1214 paps_conic_to,
1215 paps_cubic_to
1216 };
1217
1218 OutlineInfo outline_info;
1219 outline_info.file = file;
1220
1221 fprintf(file, "gsave\n");
1222 fprintf(file, "%d %d translate\n", pos_x, pos_y );
1223 // FT2 scales outlines to 26.6 pixels so the code below
1224 // should read 26600 instead of the 60000.
1225 fprintf(file, "%d 60000 div %d 60000 div scale\n", scale_x, scale_y );
1226 fprintf(file, "0 0 0 setrgbcolor\n");
1227
1228 FT_Load_Glyph(face, glyph_index, load_flags);
1229 FT_Get_Glyph (face->glyph, &glyph);
1230 FT_Outline_Decompose (&(((FT_OutlineGlyph)glyph)->outline),
1231 &outlinefunc, &outline_info);
1232 fprintf(file, "closepath fill grestore \n");
1233
1234 FT_Done_Glyph (glyph);
1235 }
1236
1237 #endif
1238
1239 void wxPostScriptDC::DoDrawText( const wxString& text, wxCoord x, wxCoord y )
1240 {
1241 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
1242
1243 #if wxUSE_PANGO
1244 int dpi = GetResolution();
1245 dpi = 300;
1246 PangoContext *context = pango_ft2_get_context ( dpi, dpi );
1247
1248 pango_context_set_language (context, pango_language_from_string ("en_US"));
1249 pango_context_set_base_dir (context, PANGO_DIRECTION_LTR );
1250
1251 pango_context_set_font_description (context, m_font.GetNativeFontInfo()->description );
1252
1253 PangoLayout *layout = pango_layout_new (context);
1254 #if wxUSE_UNICODE
1255 wxCharBuffer buffer = wxConvUTF8.cWC2MB( text );
1256 #else
1257 wxCharBuffer buffer = wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) );
1258 #endif
1259 pango_layout_set_text( layout, (const char*) buffer, strlen(buffer) );
1260
1261 PangoRectangle rect;
1262 pango_layout_get_extents(layout, NULL, &rect);
1263
1264 int xx = x * PANGO_SCALE;
1265 int yy = y * PANGO_SCALE + (rect.height*2/3);
1266
1267 int scale_x = LogicalToDeviceXRel( 1000 );
1268 int scale_y = LogicalToDeviceYRel( 1000 );
1269
1270 // Loop over lines in layout
1271 int num_lines = pango_layout_get_line_count( layout );
1272 for (int i = 0; i < num_lines; i++)
1273 {
1274 PangoLayoutLine *line = pango_layout_get_line( layout, i );
1275
1276 // Loop over runs in line
1277 GSList *runs_list = line->runs;
1278 while (runs_list)
1279 {
1280 PangoLayoutRun *run = (PangoLayoutRun*) runs_list->data;
1281 PangoItem *item = run->item;
1282 PangoGlyphString *glyphs = run->glyphs;
1283 PangoAnalysis *analysis = &item->analysis;
1284 PangoFont *font = analysis->font;
1285 FT_Face ft_face = pango_ft2_font_get_face(font);
1286
1287 int num_glyphs = glyphs->num_glyphs;
1288 for (int glyph_idx = 0; glyph_idx < num_glyphs; glyph_idx++)
1289 {
1290 PangoGlyphGeometry geometry = glyphs->glyphs[glyph_idx].geometry;
1291 int pos_x = xx + geometry.x_offset;
1292 int pos_y = yy - geometry.y_offset;
1293 xx += geometry.width;
1294
1295 draw_bezier_outline( m_pstream, ft_face,
1296 (FT_UInt)(glyphs->glyphs[glyph_idx].glyph),
1297 LogicalToDeviceX( pos_x / PANGO_SCALE ),
1298 LogicalToDeviceY( pos_y / PANGO_SCALE ),
1299 scale_x, scale_y );
1300 }
1301 runs_list = runs_list->next;
1302 }
1303 }
1304
1305 g_object_unref( G_OBJECT( layout ) );
1306 #else
1307 wxCoord text_w, text_h, text_descent;
1308
1309 GetTextExtent(text, &text_w, &text_h, &text_descent);
1310
1311 // VZ: this seems to be unnecessary, so taking it out for now, if it
1312 // doesn't create any problems, remove this comment entirely
1313 //SetFont( m_font );
1314
1315 if (m_textForegroundColour.Ok())
1316 {
1317 unsigned char red = m_textForegroundColour.Red();
1318 unsigned char blue = m_textForegroundColour.Blue();
1319 unsigned char green = m_textForegroundColour.Green();
1320
1321 if (!m_colour)
1322 {
1323 // Anything not white is black
1324 if (! (red == (unsigned char) 255 &&
1325 blue == (unsigned char) 255 &&
1326 green == (unsigned char) 255))
1327 {
1328 red = (unsigned char) 0;
1329 green = (unsigned char) 0;
1330 blue = (unsigned char) 0;
1331 }
1332 }
1333
1334 // maybe setgray here ?
1335 if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1336 {
1337 double redPS = (double)(red) / 255.0;
1338 double bluePS = (double)(blue) / 255.0;
1339 double greenPS = (double)(green) / 255.0;
1340
1341 char buffer[100];
1342 sprintf( buffer,
1343 "%.8f %.8f %.8f setrgbcolor\n",
1344 redPS, greenPS, bluePS );
1345 for (int i = 0; i < 100; i++)
1346 if (buffer[i] == ',') buffer[i] = '.';
1347 fprintf( m_pstream, buffer );
1348
1349 m_currentRed = red;
1350 m_currentBlue = blue;
1351 m_currentGreen = green;
1352 }
1353 }
1354
1355 int size = m_font.GetPointSize();
1356
1357 // wxCoord by = y + (wxCoord)floor( double(size) * 2.0 / 3.0 ); // approximate baseline
1358 // commented by V. Slavik and replaced by accurate version
1359 // - note that there is still rounding error in text_descent!
1360 wxCoord by = y + size - text_descent; // baseline
1361 fprintf( m_pstream, "%d %d moveto\n", LogicalToDeviceX(x), LogicalToDeviceY(by) );
1362
1363 fprintf( m_pstream, "(" );
1364 const wxWX2MBbuf textbuf = text.mb_str();
1365 size_t len = strlen(textbuf);
1366 size_t i;
1367 for (i = 0; i < len; i++)
1368 {
1369 int c = (unsigned char) textbuf[i];
1370 if (c == ')' || c == '(' || c == '\\')
1371 {
1372 /* Cope with special characters */
1373 fprintf( m_pstream, "\\" );
1374 fputc(c, m_pstream);
1375 }
1376 else if ( c >= 128 )
1377 {
1378 /* Cope with character codes > 127 */
1379 fprintf(m_pstream, "\\%o", c);
1380 }
1381 else
1382 {
1383 fputc(c, m_pstream);
1384 }
1385 }
1386
1387 fprintf( m_pstream, ") show\n" );
1388
1389 if (m_font.GetUnderlined())
1390 {
1391 wxCoord uy = (wxCoord)(y + size - m_underlinePosition);
1392 char buffer[100];
1393
1394 sprintf( buffer,
1395 "gsave\n"
1396 "%d %d moveto\n"
1397 "%f setlinewidth\n"
1398 "%d %d lineto\n"
1399 "stroke\n"
1400 "grestore\n",
1401 LogicalToDeviceX(x), LogicalToDeviceY(uy),
1402 m_underlineThickness,
1403 LogicalToDeviceX(x + text_w), LogicalToDeviceY(uy) );
1404 for (i = 0; i < 100; i++)
1405 if (buffer[i] == ',') buffer[i] = '.';
1406 fprintf( m_pstream, buffer );
1407 }
1408
1409 CalcBoundingBox( x, y );
1410 CalcBoundingBox( x + size * text.Length() * 2/3 , y );
1411 #endif
1412 }
1413
1414 void wxPostScriptDC::DoDrawRotatedText( const wxString& text, wxCoord x, wxCoord y, double angle )
1415 {
1416 if (angle == 0.0)
1417 {
1418 DoDrawText(text, x, y);
1419 return;
1420 }
1421
1422 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
1423
1424 SetFont( m_font );
1425
1426 if (m_textForegroundColour.Ok())
1427 {
1428 unsigned char red = m_textForegroundColour.Red();
1429 unsigned char blue = m_textForegroundColour.Blue();
1430 unsigned char green = m_textForegroundColour.Green();
1431
1432 if (!m_colour)
1433 {
1434 // Anything not white is black
1435 if (! (red == (unsigned char) 255 &&
1436 blue == (unsigned char) 255 &&
1437 green == (unsigned char) 255))
1438 {
1439 red = (unsigned char) 0;
1440 green = (unsigned char) 0;
1441 blue = (unsigned char) 0;
1442 }
1443 }
1444
1445 // maybe setgray here ?
1446 if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1447 {
1448 double redPS = (double)(red) / 255.0;
1449 double bluePS = (double)(blue) / 255.0;
1450 double greenPS = (double)(green) / 255.0;
1451
1452 char buffer[100];
1453 sprintf( buffer,
1454 "%.8f %.8f %.8f setrgbcolor\n",
1455 redPS, greenPS, bluePS );
1456 for (int i = 0; i < 100; i++)
1457 if (buffer[i] == ',') buffer[i] = '.';
1458 fprintf( m_pstream, buffer );
1459
1460 m_currentRed = red;
1461 m_currentBlue = blue;
1462 m_currentGreen = green;
1463 }
1464 }
1465
1466 int size = m_font.GetPointSize();
1467
1468 long by = y + (long)floor( double(size) * 2.0 / 3.0 ); // approximate baseline
1469
1470 // FIXME only correct for 90 degrees
1471 fprintf(m_pstream, "%d %d moveto\n",
1472 LogicalToDeviceX((wxCoord)(x + size)), LogicalToDeviceY((wxCoord)by) );
1473
1474 char buffer[100];
1475 sprintf(buffer, "%.8f rotate\n", angle);
1476 size_t i;
1477 for (i = 0; i < 100; i++)
1478 if (buffer[i] == ',') buffer[i] = '.';
1479 fprintf(m_pstream, buffer);
1480
1481 fprintf( m_pstream, "(" );
1482 const wxWX2MBbuf textbuf = text.mb_str();
1483 size_t len = strlen(textbuf);
1484 for (i = 0; i < len; i++)
1485 {
1486 int c = (unsigned char) textbuf[i];
1487 if (c == ')' || c == '(' || c == '\\')
1488 {
1489 /* Cope with special characters */
1490 fprintf( m_pstream, "\\" );
1491 fputc(c, m_pstream);
1492 }
1493 else if ( c >= 128 )
1494 {
1495 /* Cope with character codes > 127 */
1496 fprintf(m_pstream, "\\%o", c);
1497 }
1498 else
1499 {
1500 fputc(c, m_pstream);
1501 }
1502 }
1503
1504 fprintf( m_pstream, ") show\n" );
1505
1506 sprintf( buffer, "%.8f rotate\n", -angle );
1507 for (i = 0; i < 100; i++)
1508 if (buffer[i] == ',') buffer[i] = '.';
1509 fprintf( m_pstream, buffer );
1510
1511 if (m_font.GetUnderlined())
1512 {
1513 wxCoord uy = (wxCoord)(y + size - m_underlinePosition);
1514 wxCoord w, h;
1515 char buffer[100];
1516 GetTextExtent(text, &w, &h);
1517
1518 sprintf( buffer,
1519 "gsave\n"
1520 "%d %d moveto\n"
1521 "%f setlinewidth\n"
1522 "%d %d lineto\n"
1523 "stroke\n"
1524 "grestore\n",
1525 LogicalToDeviceX(x), LogicalToDeviceY(uy),
1526 m_underlineThickness,
1527 LogicalToDeviceX(x + w), LogicalToDeviceY(uy) );
1528 for (i = 0; i < 100; i++)
1529 if (buffer[i] == ',') buffer[i] = '.';
1530 fprintf( m_pstream, buffer );
1531 }
1532
1533 CalcBoundingBox( x, y );
1534 CalcBoundingBox( x + size * text.Length() * 2/3 , y );
1535 }
1536
1537 void wxPostScriptDC::SetBackground (const wxBrush& brush)
1538 {
1539 m_backgroundBrush = brush;
1540 }
1541
1542 void wxPostScriptDC::SetLogicalFunction (int WXUNUSED(function))
1543 {
1544 wxFAIL_MSG( wxT("wxPostScriptDC::SetLogicalFunction not implemented.") );
1545 }
1546
1547 void wxPostScriptDC::DoDrawSpline( wxList *points )
1548 {
1549 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
1550
1551 SetPen( m_pen );
1552
1553 double a, b, c, d, x1, y1, x2, y2, x3, y3;
1554 wxPoint *p, *q;
1555
1556 wxNode *node = points->First();
1557 p = (wxPoint *)node->Data();
1558 x1 = p->x;
1559 y1 = p->y;
1560
1561 node = node->Next();
1562 p = (wxPoint *)node->Data();
1563 c = p->x;
1564 d = p->y;
1565 x3 = a = (double)(x1 + c) / 2;
1566 y3 = b = (double)(y1 + d) / 2;
1567
1568 fprintf( m_pstream,
1569 "newpath\n"
1570 "%d %d moveto\n"
1571 "%d %d lineto\n",
1572 LogicalToDeviceX((wxCoord)x1), LogicalToDeviceY((wxCoord)y1),
1573 LogicalToDeviceX((wxCoord)x3), LogicalToDeviceY((wxCoord)y3) );
1574
1575 CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1576 CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1577
1578 while ((node = node->Next()) != NULL)
1579 {
1580 q = (wxPoint *)node->Data();
1581
1582 x1 = x3;
1583 y1 = y3;
1584 x2 = c;
1585 y2 = d;
1586 c = q->x;
1587 d = q->y;
1588 x3 = (double)(x2 + c) / 2;
1589 y3 = (double)(y2 + d) / 2;
1590
1591 fprintf( m_pstream,
1592 "%d %d %d %d %d %d DrawSplineSection\n",
1593 LogicalToDeviceX((wxCoord)x1), LogicalToDeviceY((wxCoord)y1),
1594 LogicalToDeviceX((wxCoord)x2), LogicalToDeviceY((wxCoord)y2),
1595 LogicalToDeviceX((wxCoord)x3), LogicalToDeviceY((wxCoord)y3) );
1596
1597 CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1598 CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1599 }
1600
1601 /*
1602 At this point, (x2,y2) and (c,d) are the position of the
1603 next-to-last and last point respectively, in the point list
1604 */
1605
1606 fprintf( m_pstream,
1607 "%d %d lineto\n"
1608 "stroke\n",
1609 LogicalToDeviceX((wxCoord)c), LogicalToDeviceY((wxCoord)d) );
1610 }
1611
1612 wxCoord wxPostScriptDC::GetCharWidth() const
1613 {
1614 // Chris Breeze: reasonable approximation using wxMODERN/Courier
1615 return (wxCoord) (GetCharHeight() * 72.0 / 120.0);
1616 }
1617
1618
1619 void wxPostScriptDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
1620 {
1621 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
1622
1623 m_signX = (xLeftRight ? 1 : -1);
1624 m_signY = (yBottomUp ? 1 : -1);
1625
1626 // FIXME there is no such function in MSW nor in OS2/PM
1627 #if !defined(__WXMSW__) && !defined(__WXPM__)
1628 ComputeScaleAndOrigin();
1629 #endif
1630 }
1631
1632 void wxPostScriptDC::SetDeviceOrigin( wxCoord x, wxCoord y )
1633 {
1634 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
1635
1636 int h = 0;
1637 int w = 0;
1638 GetSize( &w, &h );
1639
1640 wxDC::SetDeviceOrigin( x, h-y );
1641 }
1642
1643 void wxPostScriptDC::DoGetSize(int* width, int* height) const
1644 {
1645 wxPaperSize id = m_printData.GetPaperId();
1646
1647 wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(id);
1648
1649 if (!paper) paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
1650
1651 int w = 595;
1652 int h = 842;
1653 if (paper)
1654 {
1655 w = paper->GetSizeDeviceUnits().x;
1656 h = paper->GetSizeDeviceUnits().y;
1657 }
1658
1659 if (m_printData.GetOrientation() == wxLANDSCAPE)
1660 {
1661 int tmp = w;
1662 w = h;
1663 h = tmp;
1664 }
1665
1666 if (width) *width = (int)(w * ms_PSScaleFactor);
1667 if (height) *height = (int)(h * ms_PSScaleFactor);
1668 }
1669
1670 void wxPostScriptDC::DoGetSizeMM(int *width, int *height) const
1671 {
1672 wxPaperSize id = m_printData.GetPaperId();
1673
1674 wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(id);
1675
1676 if (!paper) paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
1677
1678 int w = 210;
1679 int h = 297;
1680 if (paper)
1681 {
1682 w = paper->GetWidth() / 10;
1683 h = paper->GetHeight() / 10;
1684 }
1685
1686 if (m_printData.GetOrientation() == wxLANDSCAPE)
1687 {
1688 int tmp = w;
1689 w = h;
1690 h = tmp;
1691 }
1692
1693 if (width) *width = w;
1694 if (height) *height = h;
1695 }
1696
1697 // Resolution in pixels per logical inch
1698 wxSize wxPostScriptDC::GetPPI(void) const
1699 {
1700 return wxSize((int)(72 * ms_PSScaleFactor),
1701 (int)(72 * ms_PSScaleFactor));
1702 }
1703
1704
1705 bool wxPostScriptDC::StartDoc( const wxString& message )
1706 {
1707 wxCHECK_MSG( m_ok, FALSE, wxT("invalid postscript dc") );
1708
1709 if (m_printData.GetFilename() == wxT(""))
1710 {
1711 wxString filename = wxGetTempFileName( wxT("ps") );
1712 m_printData.SetFilename(filename);
1713 }
1714
1715 m_pstream = wxFopen( m_printData.GetFilename().c_str(), wxT("w+") ); // FIXME: use fn_str() here under Unicode?
1716
1717 if (!m_pstream)
1718 {
1719 wxLogError( _("Cannot open file for PostScript printing!"));
1720 m_ok = FALSE;
1721 return FALSE;
1722 }
1723
1724 m_ok = TRUE;
1725
1726 fprintf( m_pstream, "%%!PS-Adobe-2.0\n" );
1727 fprintf( m_pstream, "%%%%Title: %s\n", (const char *) m_title.ToAscii() );
1728 fprintf( m_pstream, "%%%%Creator: wxWindows PostScript renderer\n" );
1729 fprintf( m_pstream, "%%%%CreationDate: %s\n", (const char *) wxNow().ToAscii() );
1730 if (m_printData.GetOrientation() == wxLANDSCAPE)
1731 fprintf( m_pstream, "%%%%Orientation: Landscape\n" );
1732 else
1733 fprintf( m_pstream, "%%%%Orientation: Portrait\n" );
1734
1735 // fprintf( m_pstream, "%%%%Pages: %d\n", (wxPageNumber - 1) );
1736
1737 char *paper = "A4";
1738 switch (m_printData.GetPaperId())
1739 {
1740 case wxPAPER_LETTER: paper = "Letter"; break; // Letter: paper ""; 8 1/2 by 11 inches
1741 case wxPAPER_LEGAL: paper = "Legal"; break; // Legal, 8 1/2 by 14 inches
1742 case wxPAPER_A4: paper = "A4"; break; // A4 Sheet, 210 by 297 millimeters
1743 case wxPAPER_TABLOID: paper = "Tabloid"; break; // Tabloid, 11 by 17 inches
1744 case wxPAPER_LEDGER: paper = "Ledger"; break; // Ledger, 17 by 11 inches
1745 case wxPAPER_STATEMENT: paper = "Statement"; break; // Statement, 5 1/2 by 8 1/2 inches
1746 case wxPAPER_EXECUTIVE: paper = "Executive"; break; // Executive, 7 1/4 by 10 1/2 inches
1747 case wxPAPER_A3: paper = "A3"; break; // A3 sheet, 297 by 420 millimeters
1748 case wxPAPER_A5: paper = "A5"; break; // A5 sheet, 148 by 210 millimeters
1749 case wxPAPER_B4: paper = "B4"; break; // B4 sheet, 250 by 354 millimeters
1750 case wxPAPER_B5: paper = "B5"; break; // B5 sheet, 182-by-257-millimeter paper
1751 case wxPAPER_FOLIO: paper = "Folio"; break; // Folio, 8-1/2-by-13-inch paper
1752 case wxPAPER_QUARTO: paper = "Quaro"; break; // Quarto, 215-by-275-millimeter paper
1753 case wxPAPER_10X14: paper = "10x14"; break; // 10-by-14-inch sheet
1754 default: paper = "A4";
1755 }
1756 fprintf( m_pstream, "%%%%DocumentPaperSizes: %s\n", paper );
1757 fprintf( m_pstream, "%%%%EndComments\n\n" );
1758
1759 fprintf( m_pstream, "%%%%BeginProlog\n" );
1760 fprintf( m_pstream, wxPostScriptHeaderConicTo );
1761 fprintf( m_pstream, wxPostScriptHeaderEllipse );
1762 fprintf( m_pstream, wxPostScriptHeaderEllipticArc );
1763 fprintf( m_pstream, wxPostScriptHeaderColourImage );
1764 #if wxUSE_PANGO
1765 #else
1766 fprintf( m_pstream, wxPostScriptHeaderReencodeISO1 );
1767 fprintf( m_pstream, wxPostScriptHeaderReencodeISO2 );
1768 #endif
1769 if (wxPostScriptHeaderSpline)
1770 fprintf( m_pstream, wxPostScriptHeaderSpline );
1771 fprintf( m_pstream, "%%%%EndProlog\n" );
1772
1773 SetBrush( *wxBLACK_BRUSH );
1774 SetPen( *wxBLACK_PEN );
1775 SetBackground( *wxWHITE_BRUSH );
1776 SetTextForeground( *wxBLACK );
1777
1778 // set origin according to paper size
1779 SetDeviceOrigin( 0,0 );
1780
1781 wxPageNumber = 1;
1782 m_pageNumber = 1;
1783 m_title = message;
1784 return TRUE;
1785 }
1786
1787 void wxPostScriptDC::EndDoc ()
1788 {
1789 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
1790
1791 if (m_clipping)
1792 {
1793 m_clipping = FALSE;
1794 fprintf( m_pstream, "grestore\n" );
1795 }
1796
1797 fclose( m_pstream );
1798 m_pstream = (FILE *) NULL;
1799
1800 #if 0
1801 // THE FOLLOWING HAS BEEN CONTRIBUTED BY Andy Fyfe <andy@hyperparallel.com>
1802 wxCoord wx_printer_translate_x, wx_printer_translate_y;
1803 double wx_printer_scale_x, wx_printer_scale_y;
1804
1805 wx_printer_translate_x = (wxCoord)m_printData.GetPrinterTranslateX();
1806 wx_printer_translate_y = (wxCoord)m_printData.GetPrinterTranslateY();
1807
1808 wx_printer_scale_x = m_printData.GetPrinterScaleX();
1809 wx_printer_scale_y = m_printData.GetPrinterScaleY();
1810
1811 // Compute the bounding box. Note that it is in the default user
1812 // coordinate system, thus we have to convert the values.
1813 wxCoord minX = (wxCoord) LogicalToDeviceX(m_minX);
1814 wxCoord minY = (wxCoord) LogicalToDeviceY(m_minY);
1815 wxCoord maxX = (wxCoord) LogicalToDeviceX(m_maxX);
1816 wxCoord maxY = (wxCoord) LogicalToDeviceY(m_maxY);
1817
1818 // LOG2DEV may have changed the minimum to maximum vice versa
1819 if ( minX > maxX ) { wxCoord tmp = minX; minX = maxX; maxX = tmp; }
1820 if ( minY > maxY ) { wxCoord tmp = minY; minY = maxY; maxY = tmp; }
1821
1822 // account for used scaling (boundingbox is before scaling in ps-file)
1823 double scale_x = m_printData.GetPrinterScaleX() / ms_PSScaleFactor;
1824 double scale_y = m_printData.GetPrinterScaleY() / ms_PSScaleFactor;
1825
1826 wxCoord llx, lly, urx, ury;
1827 llx = (wxCoord) ((minX+wx_printer_translate_x)*scale_x);
1828 lly = (wxCoord) ((minY+wx_printer_translate_y)*scale_y);
1829 urx = (wxCoord) ((maxX+wx_printer_translate_x)*scale_x);
1830 ury = (wxCoord) ((maxY+wx_printer_translate_y)*scale_y);
1831 // (end of bounding box computation)
1832
1833
1834 // If we're landscape, our sense of "x" and "y" is reversed.
1835 if (m_printData.GetOrientation() == wxLANDSCAPE)
1836 {
1837 wxCoord tmp;
1838 tmp = llx; llx = lly; lly = tmp;
1839 tmp = urx; urx = ury; ury = tmp;
1840
1841 // We need either the two lines that follow, or we need to subtract
1842 // min_x from real_translate_y, which is commented out below.
1843 llx = llx - (wxCoord)(m_minX*wx_printer_scale_y);
1844 urx = urx - (wxCoord)(m_minX*wx_printer_scale_y);
1845 }
1846
1847 // The Adobe specifications call for integers; we round as to make
1848 // the bounding larger.
1849 fprintf( m_pstream,
1850 "%%%%BoundingBox: %d %d %d %d\n",
1851 (wxCoord)floor((double)llx), (wxCoord)floor((double)lly),
1852 (wxCoord)ceil((double)urx), (wxCoord)ceil((double)ury) );
1853
1854 // To check the correctness of the bounding box, postscript commands
1855 // to draw a box corresponding to the bounding box are generated below.
1856 // But since we typically don't want to print such a box, the postscript
1857 // commands are generated within comments. These lines appear before any
1858 // adjustment of scale, rotation, or translation, and hence are in the
1859 // default user coordinates.
1860 fprintf( m_pstream, "%% newpath\n" );
1861 fprintf( m_pstream, "%% %d %d moveto\n", llx, lly );
1862 fprintf( m_pstream, "%% %d %d lineto\n", urx, lly );
1863 fprintf( m_pstream, "%% %d %d lineto\n", urx, ury );
1864 fprintf( m_pstream, "%% %d %d lineto closepath stroke\n", llx, ury );
1865 #endif
1866
1867 #if defined(__X__) || defined(__WXGTK__)
1868 if (m_ok && (m_printData.GetPrintMode() == wxPRINT_MODE_PRINTER))
1869 {
1870 wxString command;
1871 command += m_printData.GetPrinterCommand();
1872 command += wxT(" ");
1873 command += m_printData.GetFilename();
1874
1875 wxExecute( command, TRUE );
1876 wxRemoveFile( m_printData.GetFilename() );
1877 }
1878 #endif
1879 }
1880
1881 void wxPostScriptDC::StartPage()
1882 {
1883 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
1884
1885 fprintf( m_pstream, "%%%%Page: %d\n", wxPageNumber++ );
1886
1887 // What is this one supposed to do? RR.
1888 // *m_pstream << "matrix currentmatrix\n";
1889
1890 // Added by Chris Breeze
1891
1892 // Each page starts with an "initgraphics" which resets the
1893 // transformation and so we need to reset the origin
1894 // (and rotate the page for landscape printing)
1895
1896 // Output scaling
1897 wxCoord translate_x, translate_y;
1898 double scale_x, scale_y;
1899
1900 translate_x = (wxCoord)m_printData.GetPrinterTranslateX();
1901 translate_y = (wxCoord)m_printData.GetPrinterTranslateY();
1902
1903 scale_x = m_printData.GetPrinterScaleX();
1904 scale_y = m_printData.GetPrinterScaleY();
1905
1906 if (m_printData.GetOrientation() == wxLANDSCAPE)
1907 {
1908 int h;
1909 GetSize( (int*) NULL, &h );
1910 translate_y -= h;
1911 fprintf( m_pstream, "90 rotate\n" );
1912
1913 // I copied this one from a PostScript tutorial, but to no avail. RR.
1914 // fprintf( m_pstream, "90 rotate llx neg ury nef translate\n" );
1915 }
1916
1917 char buffer[100];
1918 sprintf( buffer, "%.8f %.8f scale\n", scale_x / ms_PSScaleFactor,
1919 scale_y / ms_PSScaleFactor);
1920 for (int i = 0; i < 100; i++)
1921 if (buffer[i] == ',') buffer[i] = '.';
1922 fprintf( m_pstream, buffer );
1923
1924 fprintf( m_pstream, "%d %d translate\n", translate_x, translate_y );
1925 }
1926
1927 void wxPostScriptDC::EndPage ()
1928 {
1929 wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
1930
1931 fprintf( m_pstream, "showpage\n" );
1932 }
1933
1934 bool wxPostScriptDC::DoBlit( wxCoord xdest, wxCoord ydest,
1935 wxCoord fwidth, wxCoord fheight,
1936 wxDC *source,
1937 wxCoord xsrc, wxCoord ysrc,
1938 int rop, bool WXUNUSED(useMask), wxCoord WXUNUSED(xsrcMask), wxCoord WXUNUSED(ysrcMask) )
1939 {
1940 wxCHECK_MSG( m_ok && m_pstream, FALSE, wxT("invalid postscript dc") );
1941
1942 wxCHECK_MSG( source, FALSE, wxT("invalid source dc") );
1943
1944 /* blit into a bitmap */
1945 wxBitmap bitmap( (int)fwidth, (int)fheight );
1946 wxMemoryDC memDC;
1947 memDC.SelectObject(bitmap);
1948 memDC.Blit(0, 0, fwidth, fheight, source, xsrc, ysrc, rop); /* TODO: Blit transparently? */
1949 memDC.SelectObject(wxNullBitmap);
1950
1951 /* draw bitmap. scaling and positioning is done there */
1952 DrawBitmap( bitmap, xdest, ydest );
1953
1954 return TRUE;
1955 }
1956
1957 wxCoord wxPostScriptDC::GetCharHeight() const
1958 {
1959 if (m_font.Ok())
1960 return m_font.GetPointSize();
1961 else
1962 return 12;
1963 }
1964
1965 void wxPostScriptDC::DoGetTextExtent(const wxString& string,
1966 wxCoord *x, wxCoord *y,
1967 wxCoord *descent, wxCoord *externalLeading,
1968 wxFont *theFont ) const
1969 {
1970 wxFont *fontToUse = theFont;
1971
1972 if (!fontToUse) fontToUse = (wxFont*) &m_font;
1973
1974 wxCHECK_RET( fontToUse, wxT("GetTextExtent: no font defined") );
1975
1976 if (string.IsEmpty())
1977 {
1978 if (x) (*x) = 0;
1979 if (y) (*y) = 0;
1980 return;
1981 }
1982
1983 #if wxUSE_PANGO
1984 int dpi = GetResolution();
1985 PangoContext *context = pango_ft2_get_context ( dpi, dpi );
1986
1987 pango_context_set_language (context, pango_language_from_string ("en_US"));
1988 pango_context_set_base_dir (context, PANGO_DIRECTION_LTR );
1989
1990 PangoLayout *layout = pango_layout_new (context);
1991
1992 PangoFontDescription *desc = fontToUse->GetNativeFontInfo()->description;
1993 pango_layout_set_font_description(layout, desc);
1994 #if wxUSE_UNICODE
1995 const wxCharBuffer data = wxConvUTF8.cWC2MB( string );
1996 pango_layout_set_text(layout, (const char*) data, strlen( (const char*) data ));
1997 #else
1998 const wxWCharBuffer wdata = wxConvLocal.cMB2WC( string );
1999 const wxCharBuffer data = wxConvUTF8.cWC2MB( wdata );
2000 pango_layout_set_text(layout, (const char*) data, strlen( (const char*) data ));
2001 #endif
2002 PangoLayoutLine *line = (PangoLayoutLine *)pango_layout_get_lines(layout)->data;
2003
2004 PangoRectangle rect;
2005 pango_layout_line_get_extents(line, NULL, &rect);
2006
2007 if (x) (*x) = (wxCoord) ( m_scaleX * rect.width / PANGO_SCALE );
2008 if (y) (*y) = (wxCoord) ( m_scaleY * rect.height / PANGO_SCALE );
2009 if (descent)
2010 {
2011 // Do something about metrics here
2012 (*descent) = 0;
2013 }
2014 if (externalLeading) (*externalLeading) = 0; // ??
2015
2016 g_object_unref( G_OBJECT( layout ) );
2017 #else
2018 // GTK 2.0
2019
2020 const wxWX2MBbuf strbuf = string.mb_str();
2021
2022 #if !wxUSE_AFM_FOR_POSTSCRIPT
2023 /* Provide a VERY rough estimate (avoid using it).
2024 * Produces accurate results for mono-spaced font
2025 * such as Courier (aka wxMODERN) */
2026
2027 int height = 12;
2028 if (fontToUse)
2029 {
2030 height = fontToUse->GetPointSize();
2031 }
2032 if ( x )
2033 *x = strlen (strbuf) * height * 72 / 120;
2034 if ( y )
2035 *y = (wxCoord) (height * 1.32); /* allow for descender */
2036 if (descent) *descent = 0;
2037 if (externalLeading) *externalLeading = 0;
2038 #else
2039
2040 /* method for calculating string widths in postscript:
2041 / read in the AFM (adobe font metrics) file for the
2042 / actual font, parse it and extract the character widths
2043 / and also the descender. this may be improved, but for now
2044 / it works well. the AFM file is only read in if the
2045 / font is changed. this may be chached in the future.
2046 / calls to GetTextExtent with the font unchanged are rather
2047 / efficient!!!
2048 /
2049 / for each font and style used there is an AFM file necessary.
2050 / currently i have only files for the roman font family.
2051 / I try to get files for the other ones!
2052 /
2053 / CAVE: the size of the string is currently always calculated
2054 / in 'points' (1/72 of an inch). this should later on be
2055 / changed to depend on the mapping mode.
2056 / CAVE: the path to the AFM files must be set before calling this
2057 / function. this is usually done by a call like the following:
2058 / wxSetAFMPath("d:\\wxw161\\afm\\");
2059 /
2060 / example:
2061 /
2062 / wxPostScriptDC dc(NULL, TRUE);
2063 / if (dc.Ok()){
2064 / wxSetAFMPath("d:\\wxw161\\afm\\");
2065 / dc.StartDoc("Test");
2066 / dc.StartPage();
2067 / wxCoord w,h;
2068 / dc.SetFont(new wxFont(10, wxROMAN, wxNORMAL, wxNORMAL));
2069 / dc.GetTextExtent("Hallo",&w,&h);
2070 / dc.EndPage();
2071 / dc.EndDoc();
2072 / }
2073 /
2074 / by steve (stefan.hammes@urz.uni-heidelberg.de)
2075 / created: 10.09.94
2076 / updated: 14.05.95 */
2077
2078 /* these static vars are for storing the state between calls */
2079 static int lastFamily= INT_MIN;
2080 static int lastSize= INT_MIN;
2081 static int lastStyle= INT_MIN;
2082 static int lastWeight= INT_MIN;
2083 static int lastDescender = INT_MIN;
2084 static int lastWidths[256]; /* widths of the characters */
2085
2086 double UnderlinePosition = 0.0;
2087 double UnderlineThickness = 0.0;
2088
2089 // Get actual parameters
2090 int Family = fontToUse->GetFamily();
2091 int Size = fontToUse->GetPointSize();
2092 int Style = fontToUse->GetStyle();
2093 int Weight = fontToUse->GetWeight();
2094
2095 // If we have another font, read the font-metrics
2096 if (Family!=lastFamily || Size!=lastSize || Style!=lastStyle || Weight!=lastWeight)
2097 {
2098 // Store actual values
2099 lastFamily = Family;
2100 lastSize = Size;
2101 lastStyle = Style;
2102 lastWeight = Weight;
2103
2104 const wxChar *name = NULL;
2105
2106 switch (Family)
2107 {
2108 case wxMODERN:
2109 case wxTELETYPE:
2110 {
2111 if ((Style == wxITALIC) && (Weight == wxBOLD)) name = wxT("CourBoO.afm");
2112 else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = wxT("CourBo.afm");
2113 else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = wxT("CourO.afm");
2114 else name = wxT("Cour.afm");
2115 break;
2116 }
2117 case wxROMAN:
2118 {
2119 if ((Style == wxITALIC) && (Weight == wxBOLD)) name = wxT("TimesBoO.afm");
2120 else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = wxT("TimesBo.afm");
2121 else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = wxT("TimesO.afm");
2122 else name = wxT("TimesRo.afm");
2123 break;
2124 }
2125 case wxSCRIPT:
2126 {
2127 name = wxT("Zapf.afm");
2128 Style = wxNORMAL;
2129 Weight = wxNORMAL;
2130 }
2131 case wxSWISS:
2132 default:
2133 {
2134 if ((Style == wxITALIC) && (Weight == wxBOLD)) name = wxT("HelvBoO.afm");
2135 else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = wxT("HelvBo.afm");
2136 else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = wxT("HelvO.afm");
2137 else name = wxT("Helv.afm");
2138 break;
2139 }
2140 }
2141
2142 FILE *afmFile = NULL;
2143
2144 // Get the directory of the AFM files
2145 wxString afmName;
2146 if (!m_printData.GetFontMetricPath().IsEmpty())
2147 {
2148 afmName = m_printData.GetFontMetricPath();
2149 afmName << wxFILE_SEP_PATH << name;
2150 afmFile = wxFopen(afmName,wxT("r"));
2151 }
2152
2153 #if defined(__UNIX__) && !defined(__VMS__)
2154 if (afmFile==NULL)
2155 {
2156 afmName = wxGetDataDir();
2157 afmName << wxFILE_SEP_PATH
2158 #if defined(__LINUX__) || defined(__FREEBSD__)
2159 << wxT("gs_afm") << wxFILE_SEP_PATH
2160 #else
2161 << wxT("afm") << wxFILE_SEP_PATH
2162 #endif
2163 << name;
2164 afmFile = wxFopen(afmName,wxT("r"));
2165 }
2166 #endif
2167
2168 /* 2. open and process the file
2169 / a short explanation of the AFM format:
2170 / we have for each character a line, which gives its size
2171 / e.g.:
2172 /
2173 / C 63 ; WX 444 ; N question ; B 49 -14 395 676 ;
2174 /
2175 / that means, we have a character with ascii code 63, and width
2176 / (444/1000 * fontSize) points.
2177 / the other data is ignored for now!
2178 /
2179 / when the font has changed, we read in the right AFM file and store the
2180 / character widths in an array, which is processed below (see point 3.). */
2181 if (afmFile==NULL)
2182 {
2183 wxLogDebug( wxT("GetTextExtent: can't open AFM file '%s'"), afmName.c_str() );
2184 wxLogDebug( wxT(" using approximate values"));
2185 for (int i=0; i<256; i++) lastWidths[i] = 500; /* an approximate value */
2186 lastDescender = -150; /* dito. */
2187 }
2188 else
2189 {
2190 /* init the widths array */
2191 for(int i=0; i<256; i++) lastWidths[i] = INT_MIN;
2192 /* some variables for holding parts of a line */
2193 char cString[10],semiString[10],WXString[10],descString[20];
2194 char upString[30], utString[30], encString[50];
2195 char line[256];
2196 int ascii,cWidth;
2197 /* read in the file and parse it */
2198 while(fgets(line,sizeof(line),afmFile)!=NULL)
2199 {
2200 /* A.) check for descender definition */
2201 if (strncmp(line,"Descender",9)==0)
2202 {
2203 if ((sscanf(line,"%s%d",descString,&lastDescender)!=2) ||
2204 (strcmp(descString,"Descender")!=0))
2205 {
2206 wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad descender)"), afmName.c_str(),line );
2207 }
2208 }
2209 /* JC 1.) check for UnderlinePosition */
2210 else if(strncmp(line,"UnderlinePosition",17)==0)
2211 {
2212 if ((sscanf(line,"%s%lf",upString,&UnderlinePosition)!=2) ||
2213 (strcmp(upString,"UnderlinePosition")!=0))
2214 {
2215 wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad UnderlinePosition)"), afmName.c_str(), line );
2216 }
2217 }
2218 /* JC 2.) check for UnderlineThickness */
2219 else if(strncmp(line,"UnderlineThickness",18)==0)
2220 {
2221 if ((sscanf(line,"%s%lf",utString,&UnderlineThickness)!=2) ||
2222 (strcmp(utString,"UnderlineThickness")!=0))
2223 {
2224 wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad UnderlineThickness)"), afmName.c_str(), line );
2225 }
2226 }
2227 /* JC 3.) check for EncodingScheme */
2228 else if(strncmp(line,"EncodingScheme",14)==0)
2229 {
2230 if ((sscanf(line,"%s%s",utString,encString)!=2) ||
2231 (strcmp(utString,"EncodingScheme")!=0))
2232 {
2233 wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad EncodingScheme)"), afmName.c_str(), line );
2234 }
2235 else if (strncmp(encString, "AdobeStandardEncoding", 21))
2236 {
2237 wxLogDebug( wxT("AFM-file '%s': line '%s' has error (unsupported EncodingScheme %s)"),
2238 afmName.c_str(),line, encString);
2239 }
2240 }
2241 /* B.) check for char-width */
2242 else if(strncmp(line,"C ",2)==0)
2243 {
2244 if (sscanf(line,"%s%d%s%s%d",cString,&ascii,semiString,WXString,&cWidth)!=5)
2245 {
2246 wxLogDebug(wxT("AFM-file '%s': line '%s' has an error (bad character width)"),afmName.c_str(),line);
2247 }
2248 if(strcmp(cString,"C")!=0 || strcmp(semiString,";")!=0 || strcmp(WXString,"WX")!=0)
2249 {
2250 wxLogDebug(wxT("AFM-file '%s': line '%s' has a format error"),afmName.c_str(),line);
2251 }
2252 /* printf(" char '%c'=%d has width '%d'\n",ascii,ascii,cWidth); */
2253 if (ascii>=0 && ascii<256)
2254 {
2255 lastWidths[ascii] = cWidth; /* store width */
2256 }
2257 else
2258 {
2259 /* MATTHEW: this happens a lot; don't print an error */
2260 /* wxLogDebug("AFM-file '%s': ASCII value %d out of range",afmName.c_str(),ascii); */
2261 }
2262 }
2263 /* C.) ignore other entries. */
2264 }
2265 fclose(afmFile);
2266 }
2267 /* hack to compute correct values for german 'Umlaute'
2268 / the correct way would be to map the character names
2269 / like 'adieresis' to corresp. positions of ISOEnc and read
2270 / these values from AFM files, too. Maybe later ... */
2271 lastWidths[196] = lastWidths['A']; // Ä
2272 lastWidths[228] = lastWidths['a']; // ä
2273 lastWidths[214] = lastWidths['O']; // Ö
2274 lastWidths[246] = lastWidths['o']; // ö
2275 lastWidths[220] = lastWidths['U']; // Ü
2276 lastWidths[252] = lastWidths['u']; // ü
2277 lastWidths[223] = lastWidths[251]; // ß
2278
2279 /* JC: calculate UnderlineThickness/UnderlinePosition */
2280
2281 // VS: dirty, but is there any better solution?
2282 double *pt;
2283 pt = (double*) &m_underlinePosition;
2284 *pt = LogicalToDeviceYRel((wxCoord)(UnderlinePosition * fontToUse->GetPointSize())) / 1000.0f;
2285 pt = (double*) &m_underlineThickness;
2286 *pt = LogicalToDeviceYRel((wxCoord)(UnderlineThickness * fontToUse->GetPointSize())) / 1000.0f;
2287
2288 }
2289
2290
2291 /* 3. now the font metrics are read in, calc size this
2292 / is done by adding the widths of the characters in the
2293 / string. they are given in 1/1000 of the size! */
2294
2295 long sum=0;
2296 wxCoord height=Size; /* by default */
2297 unsigned char *p;
2298 for(p=(unsigned char *)wxMBSTRINGCAST strbuf; *p; p++)
2299 {
2300 if(lastWidths[*p]== INT_MIN)
2301 {
2302 wxLogDebug(wxT("GetTextExtent: undefined width for character '%c' (%d)"), *p,*p);
2303 sum += lastWidths[' ']; /* assume space */
2304 }
2305 else
2306 {
2307 sum += lastWidths[*p];
2308 }
2309 }
2310
2311 double widthSum = sum;
2312 widthSum *= Size;
2313 widthSum /= 1000.0F;
2314
2315 /* add descender to height (it is usually a negative value) */
2316 //if (lastDescender != INT_MIN)
2317 //{
2318 // height += (wxCoord)(((-lastDescender)/1000.0F) * Size); /* MATTHEW: forgot scale */
2319 //}
2320 // - commented by V. Slavik - height already contains descender in it
2321 // (judging from few experiments)
2322
2323 /* return size values */
2324 if ( x )
2325 *x = (wxCoord)widthSum;
2326 if ( y )
2327 *y = height;
2328
2329 /* return other parameters */
2330 if (descent)
2331 {
2332 if(lastDescender!=INT_MIN)
2333 {
2334 *descent = (wxCoord)(((-lastDescender)/1000.0F) * Size); /* MATTHEW: forgot scale */
2335 }
2336 else
2337 {
2338 *descent = 0;
2339 }
2340 }
2341
2342 /* currently no idea how to calculate this! */
2343 if (externalLeading) *externalLeading = 0;
2344 #endif
2345 // Use AFM
2346
2347 #endif
2348 // GTK 2.0
2349 }
2350
2351 #if WXWIN_COMPATIBILITY_2_2
2352 WXDLLEXPORT wxPrintSetupData *wxThePrintSetupData = 0;
2353
2354 void wxInitializePrintSetupData(bool init)
2355 {
2356 if (init)
2357 {
2358 // gets initialized in the constructor
2359 wxThePrintSetupData = new wxPrintSetupData;
2360 }
2361 else
2362 {
2363 delete wxThePrintSetupData;
2364
2365 wxThePrintSetupData = (wxPrintSetupData *) NULL;
2366 }
2367 }
2368
2369 // A module to allow initialization/cleanup of PostScript-related
2370 // things without calling these functions from app.cpp.
2371
2372 class WXDLLEXPORT wxPostScriptModule: public wxModule
2373 {
2374 DECLARE_DYNAMIC_CLASS(wxPostScriptModule)
2375 public:
2376 wxPostScriptModule() {}
2377 bool OnInit();
2378 void OnExit();
2379 };
2380
2381 IMPLEMENT_DYNAMIC_CLASS(wxPostScriptModule, wxModule)
2382
2383 bool wxPostScriptModule::OnInit()
2384 {
2385 wxInitializePrintSetupData();
2386
2387 return TRUE;
2388 }
2389
2390 void wxPostScriptModule::OnExit()
2391 {
2392 wxInitializePrintSetupData(FALSE);
2393 }
2394 #endif
2395 // WXWIN_COMPATIBILITY_2_2
2396
2397 #endif
2398 // wxUSE_POSTSCRIPT
2399
2400 #endif
2401 // wxUSE_PRINTING_ARCHITECTURE
2402
2403
2404 // vi:sts=4:sw=4:et
wxWidgets (Impactor)