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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
9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
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/dcmemory.h"
32#include "wx/utils.h"
33#include "wx/intl.h"
34#include "wx/app.h"
35#include "wx/image.h"
36#include "wx/log.h"
37#include "wx/generic/dcpsg.h"
38#include "wx/prntbase.h"
39#include "wx/paper.h"
40#include "wx/filefn.h"
41#if WXWIN_COMPATIBILITY_2_2
42 #include "wx/window.h"
43 #include "wx/printdlg.h"
44#endif
45
46#include <math.h>
47
48#ifdef __WXMSW__
49
50#ifdef DrawText
51#undef DrawText
52#endif
53
54#ifdef StartDoc
55#undef StartDoc
56#endif
57
58#ifdef GetCharWidth
59#undef GetCharWidth
60#endif
61
62#ifdef FindWindow
63#undef FindWindow
64#endif
65
66#endif
67
68//-----------------------------------------------------------------------------
69// start and end of document/page
70//-----------------------------------------------------------------------------
71
72static const char *wxPostScriptHeaderConicTo = "\
73/conicto {\n\
74 /to_y exch def\n\
75 /to_x exch def\n\
76 /conic_cntrl_y exch def\n\
77 /conic_cntrl_x exch def\n\
78 currentpoint\n\
79 /p0_y exch def\n\
80 /p0_x exch def\n\
81 /p1_x p0_x conic_cntrl_x p0_x sub 2 3 div mul add def\n\
82 /p1_y p0_y conic_cntrl_y p0_y sub 2 3 div mul add def\n\
83 /p2_x p1_x to_x p0_x sub 1 3 div mul add def\n\
84 /p2_y p1_y to_y p0_y sub 1 3 div mul add def\n\
85 p1_x p1_y p2_x p2_y to_x to_y curveto\n\
86} bind def\n\
87";
88
89static const char *wxPostScriptHeaderEllipse = "\
90/ellipsedict 8 dict def\n\
91ellipsedict /mtrx matrix put\n\
92/ellipse {\n\
93 ellipsedict begin\n\
94 /endangle exch def\n\
95 /startangle exch def\n\
96 /yrad exch def\n\
97 /xrad exch def\n\
98 /y exch def\n\
99 /x exch def\n\
100 /savematrix mtrx currentmatrix def\n\
101 x y translate\n\
102 xrad yrad scale\n\
103 0 0 1 startangle endangle arc\n\
104 savematrix setmatrix\n\
105 end\n\
106 } def\n\
107";
108
109static const char *wxPostScriptHeaderEllipticArc= "\
110/ellipticarcdict 8 dict def\n\
111ellipticarcdict /mtrx matrix put\n\
112/ellipticarc\n\
113{ ellipticarcdict begin\n\
114 /do_fill exch def\n\
115 /endangle exch def\n\
116 /startangle exch def\n\
117 /yrad exch def\n\
118 /xrad exch def \n\
119 /y exch def\n\
120 /x exch def\n\
121 /savematrix mtrx currentmatrix def\n\
122 x y translate\n\
123 xrad yrad scale\n\
124 do_fill { 0 0 moveto } if\n\
125 0 0 1 startangle endangle arc\n\
126 savematrix setmatrix\n\
127 do_fill { fill }{ stroke } ifelse\n\
128 end\n\
129} def\n";
130
131static const char *wxPostScriptHeaderSpline = "\
132/DrawSplineSection {\n\
133 /y3 exch def\n\
134 /x3 exch def\n\
135 /y2 exch def\n\
136 /x2 exch def\n\
137 /y1 exch def\n\
138 /x1 exch def\n\
139 /xa x1 x2 x1 sub 0.666667 mul add def\n\
140 /ya y1 y2 y1 sub 0.666667 mul add def\n\
141 /xb x3 x2 x3 sub 0.666667 mul add def\n\
142 /yb y3 y2 y3 sub 0.666667 mul add def\n\
143 x1 y1 lineto\n\
144 xa ya xb yb x3 y3 curveto\n\
145 } def\n\
146";
147
148static const char *wxPostScriptHeaderColourImage = "\
149% define 'colorimage' if it isn't defined\n\
150% ('colortogray' and 'mergeprocs' come from xwd2ps\n\
151% via xgrab)\n\
152/colorimage where % do we know about 'colorimage'?\n\
153 { pop } % yes: pop off the 'dict' returned\n\
154 { % no: define one\n\
155 /colortogray { % define an RGB->I function\n\
156 /rgbdata exch store % call input 'rgbdata'\n\
157 rgbdata length 3 idiv\n\
158 /npixls exch store\n\
159 /rgbindx 0 store\n\
160 0 1 npixls 1 sub {\n\
161 grays exch\n\
162 rgbdata rgbindx get 20 mul % Red\n\
163 rgbdata rgbindx 1 add get 32 mul % Green\n\
164 rgbdata rgbindx 2 add get 12 mul % Blue\n\
165 add add 64 idiv % I = .5G + .31R + .18B\n\
166 put\n\
167 /rgbindx rgbindx 3 add store\n\
168 } for\n\
169 grays 0 npixls getinterval\n\
170 } bind def\n\
171\n\
172 % Utility procedure for colorimage operator.\n\
173 % This procedure takes two procedures off the\n\
174 % stack and merges them into a single procedure.\n\
175\n\
176 /mergeprocs { % def\n\
177 dup length\n\
178 3 -1 roll\n\
179 dup\n\
180 length\n\
181 dup\n\
182 5 1 roll\n\
183 3 -1 roll\n\
184 add\n\
185 array cvx\n\
186 dup\n\
187 3 -1 roll\n\
188 0 exch\n\
189 putinterval\n\
190 dup\n\
191 4 2 roll\n\
192 putinterval\n\
193 } bind def\n\
194\n\
195 /colorimage { % def\n\
196 pop pop % remove 'false 3' operands\n\
197 {colortogray} mergeprocs\n\
198 image\n\
199 } bind def\n\
200 } ifelse % end of 'false' case\n\
201";
202
203#if wxUSE_PANGO
204#else
205static char wxPostScriptHeaderReencodeISO1[] =
206 "\n/reencodeISO {\n"
207"dup dup findfont dup length dict begin\n"
208"{ 1 index /FID ne { def }{ pop pop } ifelse } forall\n"
209"/Encoding ISOLatin1Encoding def\n"
210"currentdict end definefont\n"
211"} def\n"
212"/ISOLatin1Encoding [\n"
213"/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
214"/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
215"/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
216"/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
217"/space/exclam/quotedbl/numbersign/dollar/percent/ampersand/quoteright\n"
218"/parenleft/parenright/asterisk/plus/comma/minus/period/slash\n"
219"/zero/one/two/three/four/five/six/seven/eight/nine/colon/semicolon\n"
220"/less/equal/greater/question/at/A/B/C/D/E/F/G/H/I/J/K/L/M/N\n"
221"/O/P/Q/R/S/T/U/V/W/X/Y/Z/bracketleft/backslash/bracketright\n"
222"/asciicircum/underscore/quoteleft/a/b/c/d/e/f/g/h/i/j/k/l/m\n"
223"/n/o/p/q/r/s/t/u/v/w/x/y/z/braceleft/bar/braceright/asciitilde\n"
224"/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
225"/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
226"/.notdef/dotlessi/grave/acute/circumflex/tilde/macron/breve\n"
227"/dotaccent/dieresis/.notdef/ring/cedilla/.notdef/hungarumlaut\n";
228
229static char wxPostScriptHeaderReencodeISO2[] =
230"/ogonek/caron/space/exclamdown/cent/sterling/currency/yen/brokenbar\n"
231"/section/dieresis/copyright/ordfeminine/guillemotleft/logicalnot\n"
232"/hyphen/registered/macron/degree/plusminus/twosuperior/threesuperior\n"
233"/acute/mu/paragraph/periodcentered/cedilla/onesuperior/ordmasculine\n"
234"/guillemotright/onequarter/onehalf/threequarters/questiondown\n"
235"/Agrave/Aacute/Acircumflex/Atilde/Adieresis/Aring/AE/Ccedilla\n"
236"/Egrave/Eacute/Ecircumflex/Edieresis/Igrave/Iacute/Icircumflex\n"
237"/Idieresis/Eth/Ntilde/Ograve/Oacute/Ocircumflex/Otilde/Odieresis\n"
238"/multiply/Oslash/Ugrave/Uacute/Ucircumflex/Udieresis/Yacute\n"
239"/Thorn/germandbls/agrave/aacute/acircumflex/atilde/adieresis\n"
240"/aring/ae/ccedilla/egrave/eacute/ecircumflex/edieresis/igrave\n"
241"/iacute/icircumflex/idieresis/eth/ntilde/ograve/oacute/ocircumflex\n"
242"/otilde/odieresis/divide/oslash/ugrave/uacute/ucircumflex/udieresis\n"
243"/yacute/thorn/ydieresis\n"
244 "] def\n\n";
245#endif
246
247//-------------------------------------------------------------------------------
248// wxPostScriptDC
249//-------------------------------------------------------------------------------
250
251IMPLEMENT_DYNAMIC_CLASS(wxPostScriptDC, wxDC)
252
253float wxPostScriptDC::ms_PSScaleFactor = 1.0;
254
255void wxPostScriptDC::SetResolution(int ppi)
256{
257 ms_PSScaleFactor = (float)ppi / 72.0;
258}
259
260int wxPostScriptDC::GetResolution()
261{
262 return (int)(ms_PSScaleFactor * 72.0);
263}
264
265//-------------------------------------------------------------------------------
266
267wxPostScriptDC::wxPostScriptDC ()
268{
269 m_pstream = (FILE*) NULL;
270
271 m_currentRed = 0;
272 m_currentGreen = 0;
273 m_currentBlue = 0;
274
275 m_pageNumber = 0;
276
277 m_clipping = FALSE;
278
279 m_underlinePosition = 0.0;
280 m_underlineThickness = 0.0;
281
282 m_signX = 1; // default x-axis left to right
283 m_signY = -1; // default y-axis bottom up -> top down
284}
285
286wxPostScriptDC::wxPostScriptDC (const wxPrintData& printData)
287{
288 m_pstream = (FILE*) NULL;
289
290 m_currentRed = 0;
291 m_currentGreen = 0;
292 m_currentBlue = 0;
293
294 m_pageNumber = 0;
295
296 m_clipping = FALSE;
297
298 m_underlinePosition = 0.0;
299 m_underlineThickness = 0.0;
300
301 m_signX = 1; // default x-axis left to right
302 m_signY = -1; // default y-axis bottom up -> top down
303
304 m_printData = printData;
305
306 m_ok = TRUE;
307}
308
309wxPostScriptDC::~wxPostScriptDC ()
310{
311 if (m_pstream)
312 {
313 fclose( m_pstream );
314 m_pstream = (FILE*) NULL;
315 }
316}
317
318#if WXWIN_COMPATIBILITY_2_2
319bool wxPostScriptDC::Create( const wxString &output, bool interactive, wxWindow *parent )
320{
321 wxPrintData data;
322 data.SetFilename( output );
323 data.SetPrintMode( wxPRINT_MODE_FILE );
324
325 if (interactive)
326 {
327 wxPrintDialogData ddata( data );
328 wxPrintDialog dialog( parent, &data );
329 dialog.GetPrintDialogData().SetSetupDialog(TRUE);
330 if (dialog.ShowModal() != wxID_OK)
331 {
332 m_ok = FALSE;
333 return FALSE;
334 }
335 data = dialog.GetPrintDialogData().GetPrintData();
336 }
337
338 return TRUE;
339}
340#endif
341
342
343bool wxPostScriptDC::Ok() const
344{
345 return m_ok;
346}
347
348void wxPostScriptDC::DoSetClippingRegion (wxCoord x, wxCoord y, wxCoord w, wxCoord h)
349{
350 wxCHECK_RET( m_ok , wxT("invalid postscript dc") );
351
352 if (m_clipping) DestroyClippingRegion();
353
354 wxDC::DoSetClippingRegion(x, y, w, h);
355
356 m_clipping = TRUE;
357
358 PsPrintf( wxT("gsave\n newpath\n")
359 wxT("%d %d moveto\n")
360 wxT("%d %d lineto\n")
361 wxT("%d %d lineto\n")
362 wxT("%d %d lineto\n")
363 wxT("closepath clip newpath\n"),
364 LogicalToDeviceX(x), LogicalToDeviceY(y),
365 LogicalToDeviceX(x+w), LogicalToDeviceY(y),
366 LogicalToDeviceX(x+w), LogicalToDeviceY(y+h),
367 LogicalToDeviceX(x), LogicalToDeviceY(y+h) );
368}
369
370
371void wxPostScriptDC::DestroyClippingRegion()
372{
373 wxCHECK_RET( m_ok , wxT("invalid postscript dc") );
374
375 if (m_clipping)
376 {
377 m_clipping = FALSE;
378 PsPrint( "grestore\n" );
379 }
380
381 wxDC::DestroyClippingRegion();
382}
383
384void wxPostScriptDC::Clear()
385{
386 // This should fail silently to avoid unnecessary
387 // asserts
388 // wxFAIL_MSG( wxT("wxPostScriptDC::Clear not implemented.") );
389}
390
391bool wxPostScriptDC::DoFloodFill (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), const wxColour &WXUNUSED(col), int WXUNUSED(style))
392{
393 wxFAIL_MSG( wxT("wxPostScriptDC::FloodFill not implemented.") );
394 return FALSE;
395}
396
397bool wxPostScriptDC::DoGetPixel (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), wxColour * WXUNUSED(col)) const
398{
399 wxFAIL_MSG( wxT("wxPostScriptDC::GetPixel not implemented.") );
400 return FALSE;
401}
402
403void wxPostScriptDC::DoCrossHair (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y))
404{
405 wxFAIL_MSG( wxT("wxPostScriptDC::CrossHair not implemented.") );
406}
407
408void wxPostScriptDC::DoDrawLine (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
409{
410 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
411
412 if (m_pen.GetStyle() == wxTRANSPARENT) return;
413
414 SetPen( m_pen );
415
416 PsPrintf( wxT("newpath\n")
417 wxT("%d %d moveto\n")
418 wxT("%d %d lineto\n")
419 wxT("stroke\n"),
420 LogicalToDeviceX(x1), LogicalToDeviceY(y1),
421 LogicalToDeviceX(x2), LogicalToDeviceY (y2) );
422
423 CalcBoundingBox( x1, y1 );
424 CalcBoundingBox( x2, y2 );
425}
426
427#define RAD2DEG 57.29577951308
428
429void wxPostScriptDC::DoDrawArc (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc)
430{
431 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
432
433 wxCoord dx = x1 - xc;
434 wxCoord dy = y1 - yc;
435 wxCoord radius = (wxCoord) sqrt( (double)(dx*dx+dy*dy) );
436 double alpha1, alpha2;
437
438 if (x1 == x2 && y1 == y2)
439 {
440 alpha1 = 0.0;
441 alpha2 = 360.0;
442 }
443 else if (radius == 0.0)
444 {
445 alpha1 = alpha2 = 0.0;
446 }
447 else
448 {
449 alpha1 = (x1 - xc == 0) ?
450 (y1 - yc < 0) ? 90.0 : -90.0 :
451 -atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
452 alpha2 = (x2 - xc == 0) ?
453 (y2 - yc < 0) ? 90.0 : -90.0 :
454 -atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
455 }
456 while (alpha1 <= 0) alpha1 += 360;
457 while (alpha2 <= 0) alpha2 += 360; // adjust angles to be between
458 while (alpha1 > 360) alpha1 -= 360; // 0 and 360 degree
459 while (alpha2 > 360) alpha2 -= 360;
460
461 if (m_brush.GetStyle() != wxTRANSPARENT)
462 {
463 SetBrush( m_brush );
464
465 PsPrintf( wxT("newpath\n")
466 wxT("%d %d %d %d %d %d ellipse\n")
467 wxT("%d %d lineto\n")
468 wxT("closepath\n")
469 wxT("fill\n"),
470 LogicalToDeviceX(xc), LogicalToDeviceY(yc), LogicalToDeviceXRel(radius), LogicalToDeviceYRel(radius), (wxCoord)alpha1, (wxCoord) alpha2,
471 LogicalToDeviceX(xc), LogicalToDeviceY(yc) );
472
473 CalcBoundingBox( xc-radius, yc-radius );
474 CalcBoundingBox( xc+radius, yc+radius );
475 }
476
477 if (m_pen.GetStyle() != wxTRANSPARENT)
478 {
479 SetPen( m_pen );
480
481 PsPrintf( wxT("newpath\n")
482 wxT("%d %d %d %d %d %d ellipse\n")
483 wxT("%d %d lineto\n")
484 wxT("stroke\n")
485 wxT("fill\n"),
486 LogicalToDeviceX(xc), LogicalToDeviceY(yc), LogicalToDeviceXRel(radius), LogicalToDeviceYRel(radius), (wxCoord)alpha1, (wxCoord) alpha2,
487 LogicalToDeviceX(xc), LogicalToDeviceY(yc) );
488
489 CalcBoundingBox( xc-radius, yc-radius );
490 CalcBoundingBox( xc+radius, yc+radius );
491 }
492}
493
494void wxPostScriptDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
495{
496 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
497
498 if (sa>=360 || sa<=-360) sa=sa-int(sa/360)*360;
499 if (ea>=360 || ea<=-360) ea=ea-int(ea/360)*360;
500 if (sa<0) sa+=360;
501 if (ea<0) ea+=360;
502
503 if (sa==ea)
504 {
505 DrawEllipse(x,y,w,h);
506 return;
507 }
508
509 if (m_brush.GetStyle () != wxTRANSPARENT)
510 {
511 SetBrush( m_brush );
512
513 PsPrintf( wxT("newpath\n")
514 wxT("%d %d %d %d %d %d true ellipticarc\n"),
515 LogicalToDeviceX(x+w/2), LogicalToDeviceY(y+h/2),
516 LogicalToDeviceXRel(w/2), LogicalToDeviceYRel(h/2),
517 (wxCoord)sa, (wxCoord)ea );
518
519 CalcBoundingBox( x ,y );
520 CalcBoundingBox( x+w, y+h );
521 }
522
523 if (m_pen.GetStyle () != wxTRANSPARENT)
524 {
525 SetPen( m_pen );
526
527 PsPrintf( wxT("newpath\n")
528 wxT("%d %d %d %d %d %d false ellipticarc\n"),
529 LogicalToDeviceX(x+w/2), LogicalToDeviceY(y+h/2),
530 LogicalToDeviceXRel(w/2), LogicalToDeviceYRel(h/2),
531 (wxCoord)sa, (wxCoord)ea );
532
533 CalcBoundingBox( x ,y );
534 CalcBoundingBox( x+w, y+h );
535 }
536}
537
538void wxPostScriptDC::DoDrawPoint (wxCoord x, wxCoord y)
539{
540 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
541
542 if (m_pen.GetStyle() == wxTRANSPARENT) return;
543
544 SetPen (m_pen);
545
546 PsPrintf( wxT("newpath\n")
547 wxT("%d %d moveto\n")
548 wxT("%d %d lineto\n")
549 wxT("stroke\n"),
550 LogicalToDeviceX(x), LogicalToDeviceY(y),
551 LogicalToDeviceX(x+1), LogicalToDeviceY(y) );
552
553 CalcBoundingBox( x, y );
554}
555
556void wxPostScriptDC::DoDrawPolygon (int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
557{
558 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
559
560 if (n <= 0) return;
561
562 if (m_brush.GetStyle () != wxTRANSPARENT)
563 {
564 SetBrush( m_brush );
565
566 PsPrint( "newpath\n" );
567
568 wxCoord xx = LogicalToDeviceX(points[0].x + xoffset);
569 wxCoord yy = LogicalToDeviceY(points[0].y + yoffset);
570
571 PsPrintf( wxT("%d %d moveto\n"), xx, yy );
572
573 CalcBoundingBox( points[0].x + xoffset, points[0].y + yoffset );
574
575 for (int i = 1; i < n; i++)
576 {
577 xx = LogicalToDeviceX(points[i].x + xoffset);
578 yy = LogicalToDeviceY(points[i].y + yoffset);
579
580 PsPrintf( wxT("%d %d lineto\n"), xx, yy );
581
582 CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset);
583 }
584
585 PsPrint( (fillStyle == wxODDEVEN_RULE ? "eofill\n" : "fill\n") );
586 }
587
588 if (m_pen.GetStyle () != wxTRANSPARENT)
589 {
590 SetPen( m_pen );
591
592 PsPrint( "newpath\n" );
593
594 wxCoord xx = LogicalToDeviceX(points[0].x + xoffset);
595 wxCoord yy = LogicalToDeviceY(points[0].y + yoffset);
596
597 PsPrintf( wxT("%d %d moveto\n"), xx, yy );
598
599 CalcBoundingBox( points[0].x + xoffset, points[0].y + yoffset );
600
601 for (int i = 1; i < n; i++)
602 {
603 xx = LogicalToDeviceX(points[i].x + xoffset);
604 yy = LogicalToDeviceY(points[i].y + yoffset);
605
606 PsPrintf( wxT("%d %d lineto\n"), xx, yy );
607
608 CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset);
609 }
610
611 PsPrint( "closepath\n" );
612 PsPrint( "stroke\n" );
613 }
614}
615
616void wxPostScriptDC::DoDrawPolyPolygon (int n, int count[], wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
617{
618 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
619
620 if (n <= 0) return;
621
622 if (m_brush.GetStyle () != wxTRANSPARENT)
623 {
624 SetBrush( m_brush );
625
626 PsPrint( "newpath\n" );
627
628 int ofs = 0;
629 for (int i = 0; i < n; ofs += count[i++])
630 {
631 wxCoord xx = LogicalToDeviceX(points[ofs].x + xoffset);
632 wxCoord yy = LogicalToDeviceY(points[ofs].y + yoffset);
633
634 PsPrintf( wxT("%d %d moveto\n"), xx, yy );
635
636 CalcBoundingBox( points[ofs].x + xoffset, points[ofs].y + yoffset );
637
638 for (int j = 1; j < count[i]; j++)
639 {
640 xx = LogicalToDeviceX(points[ofs+j].x + xoffset);
641 yy = LogicalToDeviceY(points[ofs+j].y + yoffset);
642
643 PsPrintf( wxT("%d %d lineto\n"), xx, yy );
644
645 CalcBoundingBox( points[ofs+j].x + xoffset, points[ofs+j].y + yoffset);
646 }
647 }
648 PsPrint( (fillStyle == wxODDEVEN_RULE ? "eofill\n" : "fill\n") );
649 }
650
651 if (m_pen.GetStyle () != wxTRANSPARENT)
652 {
653 SetPen( m_pen );
654
655 PsPrint( "newpath\n" );
656
657 int ofs = 0;
658 for (int i = 0; i < n; ofs += count[i++])
659 {
660 wxCoord xx = LogicalToDeviceX(points[ofs].x + xoffset);
661 wxCoord yy = LogicalToDeviceY(points[ofs].y + yoffset);
662
663 PsPrintf( wxT("%d %d moveto\n"), xx, yy );
664
665 CalcBoundingBox( points[ofs].x + xoffset, points[ofs].y + yoffset );
666
667 for (int j = 1; j < count[i]; j++)
668 {
669 xx = LogicalToDeviceX(points[ofs+j].x + xoffset);
670 yy = LogicalToDeviceY(points[ofs+j].y + yoffset);
671
672 PsPrintf( wxT("%d %d lineto\n"), xx, yy );
673
674 CalcBoundingBox( points[ofs+j].x + xoffset, points[ofs+j].y + yoffset);
675 }
676 }
677 PsPrint( "closepath\n" );
678 PsPrint( "stroke\n" );
679 }
680}
681
682void wxPostScriptDC::DoDrawLines (int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
683{
684 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
685
686 if (m_pen.GetStyle() == wxTRANSPARENT) return;
687
688 if (n <= 0) return;
689
690 SetPen (m_pen);
691
692 int i;
693 for ( i =0; i<n ; i++ )
694 {
695 CalcBoundingBox( LogicalToDeviceX(points[i].x+xoffset), LogicalToDeviceY(points[i].y+yoffset));
696 }
697
698 PsPrintf( wxT("newpath\n")
699 wxT("%d %d moveto\n"),
700 LogicalToDeviceX(points[0].x+xoffset),
701 LogicalToDeviceY(points[0].y+yoffset) );
702
703 for (i = 1; i < n; i++)
704 {
705 PsPrintf( wxT("%d %d lineto\n"),
706 LogicalToDeviceX(points[i].x+xoffset),
707 LogicalToDeviceY(points[i].y+yoffset) );
708 }
709
710 PsPrint( "stroke\n" );
711}
712
713void wxPostScriptDC::DoDrawRectangle (wxCoord x, wxCoord y, wxCoord width, wxCoord height)
714{
715 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
716
717 if (m_brush.GetStyle () != wxTRANSPARENT)
718 {
719 SetBrush( m_brush );
720
721 PsPrintf( wxT("newpath\n")
722 wxT("%d %d moveto\n")
723 wxT("%d %d lineto\n")
724 wxT("%d %d lineto\n")
725 wxT("%d %d lineto\n")
726 wxT("closepath\n")
727 wxT("fill\n"),
728 LogicalToDeviceX(x), LogicalToDeviceY(y),
729 LogicalToDeviceX(x + width), LogicalToDeviceY(y),
730 LogicalToDeviceX(x + width), LogicalToDeviceY(y + height),
731 LogicalToDeviceX(x), LogicalToDeviceY(y + height) );
732
733 CalcBoundingBox( x, y );
734 CalcBoundingBox( x + width, y + height );
735 }
736
737 if (m_pen.GetStyle () != wxTRANSPARENT)
738 {
739 SetPen (m_pen);
740
741 PsPrintf( wxT("newpath\n")
742 wxT("%d %d moveto\n")
743 wxT("%d %d lineto\n")
744 wxT("%d %d lineto\n")
745 wxT("%d %d lineto\n")
746 wxT("closepath\n")
747 wxT("stroke\n"),
748 LogicalToDeviceX(x), LogicalToDeviceY(y),
749 LogicalToDeviceX(x + width), LogicalToDeviceY(y),
750 LogicalToDeviceX(x + width), LogicalToDeviceY(y + height),
751 LogicalToDeviceX(x), LogicalToDeviceY(y + height) );
752
753 CalcBoundingBox( x, y );
754 CalcBoundingBox( x + width, y + height );
755 }
756}
757
758void wxPostScriptDC::DoDrawRoundedRectangle (wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
759{
760 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
761
762 if (radius < 0.0)
763 {
764 // Now, a negative radius is interpreted to mean
765 // 'the proportion of the smallest X or Y dimension'
766 double smallest = width < height ? width : height;
767 radius = (-radius * smallest);
768 }
769
770 wxCoord rad = (wxCoord) radius;
771
772 if (m_brush.GetStyle () != wxTRANSPARENT)
773 {
774 SetBrush( m_brush );
775
776 /* Draw rectangle anticlockwise */
777 PsPrintf( wxT("newpath\n")
778 wxT("%d %d %d 90 180 arc\n")
779 wxT("%d %d moveto\n")
780 wxT("%d %d %d 180 270 arc\n")
781 wxT("%d %d lineto\n")
782 wxT("%d %d %d 270 0 arc\n")
783 wxT("%d %d lineto\n")
784 wxT("%d %d %d 0 90 arc\n")
785 wxT("%d %d lineto\n")
786 wxT("closepath\n")
787 wxT("fill\n"),
788 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
789 LogicalToDeviceX(x), LogicalToDeviceY(y + rad),
790 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
791 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height),
792 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
793 LogicalToDeviceX(x + width), LogicalToDeviceY(y + rad),
794 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
795 LogicalToDeviceX(x + rad), LogicalToDeviceY(y) );
796
797 CalcBoundingBox( x, y );
798 CalcBoundingBox( x + width, y + height );
799 }
800
801 if (m_pen.GetStyle () != wxTRANSPARENT)
802 {
803 SetPen (m_pen);
804
805 /* Draw rectangle anticlockwise */
806 PsPrintf( wxT("newpath\n")
807 wxT("%d %d %d 90 180 arc\n")
808 wxT("%d %d moveto\n")
809 wxT("%d %d %d 180 270 arc\n")
810 wxT("%d %d lineto\n")
811 wxT("%d %d %d 270 0 arc\n")
812 wxT("%d %d lineto\n")
813 wxT("%d %d %d 0 90 arc\n")
814 wxT("%d %d lineto\n")
815 wxT("closepath\n")
816 wxT("stroke\n"),
817 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
818 LogicalToDeviceX(x), LogicalToDeviceY(y + rad),
819 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
820 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height),
821 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
822 LogicalToDeviceX(x + width), LogicalToDeviceY(y + rad),
823 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
824 LogicalToDeviceX(x + rad), LogicalToDeviceY(y) );
825
826 CalcBoundingBox( x, y );
827 CalcBoundingBox( x + width, y + height );
828 }
829}
830
831void wxPostScriptDC::DoDrawEllipse (wxCoord x, wxCoord y, wxCoord width, wxCoord height)
832{
833 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
834
835 if (m_brush.GetStyle () != wxTRANSPARENT)
836 {
837 SetBrush (m_brush);
838
839 PsPrintf( wxT("newpath\n")
840 wxT("%d %d %d %d 0 360 ellipse\n")
841 wxT("fill\n"),
842 LogicalToDeviceX(x + width / 2), LogicalToDeviceY(y + height / 2),
843 LogicalToDeviceXRel(width / 2), LogicalToDeviceYRel(height / 2) );
844
845 CalcBoundingBox( x - width, y - height );
846 CalcBoundingBox( x + width, y + height );
847 }
848
849 if (m_pen.GetStyle () != wxTRANSPARENT)
850 {
851 SetPen (m_pen);
852
853 PsPrintf( wxT("newpath\n")
854 wxT("%d %d %d %d 0 360 ellipse\n")
855 wxT("stroke\n"),
856 LogicalToDeviceX(x + width / 2), LogicalToDeviceY(y + height / 2),
857 LogicalToDeviceXRel(width / 2), LogicalToDeviceYRel(height / 2) );
858
859 CalcBoundingBox( x - width, y - height );
860 CalcBoundingBox( x + width, y + height );
861 }
862}
863
864void wxPostScriptDC::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
865{
866 DrawBitmap( icon, x, y, TRUE );
867}
868
869/* this has to be char, not wxChar */
870static char hexArray[] = "0123456789ABCDEF";
871
872void wxPostScriptDC::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool WXUNUSED(useMask) )
873{
874 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
875
876 if (!bitmap.Ok()) return;
877
878 wxImage image = bitmap.ConvertToImage();
879
880 if (!image.Ok()) return;
881
882 wxCoord w = image.GetWidth();
883 wxCoord h = image.GetHeight();
884
885 wxCoord ww = LogicalToDeviceXRel(image.GetWidth());
886 wxCoord hh = LogicalToDeviceYRel(image.GetHeight());
887
888 wxCoord xx = LogicalToDeviceX(x);
889 wxCoord yy = LogicalToDeviceY(y + bitmap.GetHeight());
890
891 PsPrintf( wxT("/origstate save def\n")
892 wxT("20 dict begin\n")
893 wxT("/pix %d string def\n")
894 wxT("/grays %d string def\n")
895 wxT("/npixels 0 def\n")
896 wxT("/rgbindx 0 def\n")
897 wxT("%d %d translate\n")
898 wxT("%d %d scale\n")
899 wxT("%d %d 8\n")
900 wxT("[%d 0 0 %d 0 %d]\n")
901 wxT("{currentfile pix readhexstring pop}\n")
902 wxT("false 3 colorimage\n"),
903 w, w, xx, yy, ww, hh, w, h, w, -h, h );
904
905 unsigned char* data = image.GetData();
906
907 /* buffer = line = width*rgb(3)*hexa(2)+'\n'(1)+null(1) */
908 char* buffer = new char[ w*6+2 ];
909 int firstDigit, secondDigit;
910
911 //rows
912 for (int j = 0; j < h; j++)
913 {
914 char* bufferindex = buffer;
915
916 //cols
917 for (int i = 0; i < w*3; i++)
918 {
919 firstDigit = (int)(*data/16.0);
920 secondDigit = (int)(*data - (firstDigit*16.0));
921 *(bufferindex++) = hexArray[firstDigit];
922 *(bufferindex++) = hexArray[secondDigit];
923
924 data++;
925 }
926 *(bufferindex++) = '\n';
927 *bufferindex = 0;
928 PsPrint( buffer );
929 }
930
931 PsPrint( "end\n" );
932 PsPrint( "origstate restore\n" );
933}
934
935void wxPostScriptDC::SetFont( const wxFont& font )
936{
937 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
938
939 if (!font.Ok()) return;
940
941 m_font = font;
942
943#if wxUSE_PANGO
944#else
945 int Style = m_font.GetStyle();
946 int Weight = m_font.GetWeight();
947
948 const char *name;
949 switch (m_font.GetFamily())
950 {
951 case wxTELETYPE:
952 case wxMODERN:
953 {
954 if (Style == wxITALIC)
955 {
956 if (Weight == wxBOLD)
957 name = "/Courier-BoldOblique";
958 else
959 name = "/Courier-Oblique";
960 }
961 else
962 {
963 if (Weight == wxBOLD)
964 name = "/Courier-Bold";
965 else
966 name = "/Courier";
967 }
968 break;
969 }
970 case wxROMAN:
971 {
972 if (Style == wxITALIC)
973 {
974 if (Weight == wxBOLD)
975 name = "/Times-BoldItalic";
976 else
977 name = "/Times-Italic";
978 }
979 else
980 {
981 if (Weight == wxBOLD)
982 name = "/Times-Bold";
983 else
984 name = "/Times-Roman";
985 }
986 break;
987 }
988 case wxSCRIPT:
989 {
990 name = "/ZapfChancery-MediumItalic";
991 break;
992 }
993 case wxSWISS:
994 default:
995 {
996 if (Style == wxITALIC)
997 {
998 if (Weight == wxBOLD)
999 name = "/Helvetica-BoldOblique";
1000 else
1001 name = "/Helvetica-Oblique";
1002 }
1003 else
1004 {
1005 if (Weight == wxBOLD)
1006 name = "/Helvetica-Bold";
1007 else
1008 name = "/Helvetica";
1009 }
1010 break;
1011 }
1012 }
1013
1014 // We may legitimately call SetFont before BeginDoc
1015 if (!m_pstream)
1016 return;
1017
1018 PsPrint( name );
1019 PsPrint( " reencodeISO def\n" );
1020 PsPrint( name );
1021 PsPrint( " findfont\n" );
1022
1023 char buffer[100];
1024 sprintf( buffer, "%f scalefont setfont\n", LogicalToDeviceYRel(m_font.GetPointSize() * 1000) / 1000.0F);
1025 // this is a hack - we must scale font size (in pts) according to m_scaleY but
1026 // LogicalToDeviceYRel works with wxCoord type (int or longint). Se we first convert font size
1027 // to 1/1000th of pt and then back.
1028 for (int i = 0; i < 100; i++)
1029 if (buffer[i] == ',') buffer[i] = '.';
1030 PsPrint( buffer );
1031#endif // !wxUSE_PANGO
1032}
1033
1034void wxPostScriptDC::SetPen( const wxPen& pen )
1035{
1036 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1037
1038 if (!pen.Ok()) return;
1039
1040 int oldStyle = m_pen.GetStyle();
1041
1042 m_pen = pen;
1043
1044 char buffer[100];
1045 sprintf( buffer, "%f setlinewidth\n", LogicalToDeviceXRel(1000 * m_pen.GetWidth()) / 1000.0f );
1046 for (int i = 0; i < 100; i++)
1047 if (buffer[i] == ',') buffer[i] = '.';
1048 PsPrint( buffer );
1049
1050/*
1051 Line style - WRONG: 2nd arg is OFFSET
1052
1053 Here, I'm afraid you do not conceive meaning of parameters of 'setdash'
1054 operator correctly. You should look-up this in the Red Book: the 2nd parame-
1055 ter is not number of values in the array of the first one, but an offset
1056 into this description of the pattern. I mean a real *offset* not index
1057 into array. I.e. If the command is [3 4] 1 setdash is used, then there
1058 will be first black line *2* units wxCoord, then space 4 units, then the
1059 pattern of *3* units black, 4 units space will be repeated.
1060*/
1061
1062 static const char *dotted = "[2 5] 2";
1063 static const char *short_dashed = "[4 4] 2";
1064 static const char *wxCoord_dashed = "[4 8] 2";
1065 static const char *dotted_dashed = "[6 6 2 6] 4";
1066
1067 const char *psdash;
1068
1069 switch (m_pen.GetStyle())
1070 {
1071 case wxDOT: psdash = dotted; break;
1072 case wxSHORT_DASH: psdash = short_dashed; break;
1073 case wxLONG_DASH: psdash = wxCoord_dashed; break;
1074 case wxDOT_DASH: psdash = dotted_dashed; break;
1075 case wxSOLID:
1076 case wxTRANSPARENT:
1077 default: psdash = "[] 0"; break;
1078 }
1079
1080 if ( (oldStyle != m_pen.GetStyle()) )
1081 {
1082 PsPrint( psdash );
1083 PsPrint( " setdash\n" );
1084 }
1085
1086 // Line colour
1087 unsigned char red = m_pen.GetColour().Red();
1088 unsigned char blue = m_pen.GetColour().Blue();
1089 unsigned char green = m_pen.GetColour().Green();
1090
1091 if (!m_colour)
1092 {
1093 // Anything not white is black
1094 if (! (red == (unsigned char) 255 &&
1095 blue == (unsigned char) 255 &&
1096 green == (unsigned char) 255) )
1097 {
1098 red = (unsigned char) 0;
1099 green = (unsigned char) 0;
1100 blue = (unsigned char) 0;
1101 }
1102 // setgray here ?
1103 }
1104
1105 if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1106 {
1107 double redPS = (double)(red) / 255.0;
1108 double bluePS = (double)(blue) / 255.0;
1109 double greenPS = (double)(green) / 255.0;
1110
1111 char buffer[100];
1112 sprintf( buffer,
1113 "%.8f %.8f %.8f setrgbcolor\n",
1114 redPS, greenPS, bluePS );
1115 for (int i = 0; i < 100; i++)
1116 if (buffer[i] == ',') buffer[i] = '.';
1117
1118 PsPrint( buffer );
1119
1120 m_currentRed = red;
1121 m_currentBlue = blue;
1122 m_currentGreen = green;
1123 }
1124}
1125
1126void wxPostScriptDC::SetBrush( const wxBrush& brush )
1127{
1128 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1129
1130 if (!brush.Ok()) return;
1131
1132 m_brush = brush;
1133
1134 // Brush colour
1135 unsigned char red = m_brush.GetColour().Red();
1136 unsigned char blue = m_brush.GetColour().Blue();
1137 unsigned char green = m_brush.GetColour().Green();
1138
1139 if (!m_colour)
1140 {
1141 // Anything not white is black
1142 if (! (red == (unsigned char) 255 &&
1143 blue == (unsigned char) 255 &&
1144 green == (unsigned char) 255) )
1145 {
1146 red = (unsigned char) 0;
1147 green = (unsigned char) 0;
1148 blue = (unsigned char) 0;
1149 }
1150 // setgray here ?
1151 }
1152
1153 if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1154 {
1155 double redPS = (double)(red) / 255.0;
1156 double bluePS = (double)(blue) / 255.0;
1157 double greenPS = (double)(green) / 255.0;
1158
1159 char buffer[100];
1160 sprintf( buffer,
1161 "%.8f %.8f %.8f setrgbcolor\n",
1162 redPS, greenPS, bluePS );
1163 for (int i = 0; i < 100; i++)
1164 if (buffer[i] == ',') buffer[i] = '.';
1165
1166 PsPrint( buffer );
1167
1168 m_currentRed = red;
1169 m_currentBlue = blue;
1170 m_currentGreen = green;
1171 }
1172}
1173
1174#if wxUSE_PANGO
1175
1176#define PANGO_ENABLE_ENGINE
1177
1178#ifdef __WXGTK20__
1179#include "wx/gtk/private.h"
1180#include "gtk/gtk.h"
1181#else
1182#include "wx/x11/private.h"
1183#endif
1184
1185#include "wx/fontutil.h"
1186#include <pango/pangoft2.h>
1187#include <freetype/ftglyph.h>
1188
1189#ifndef FT_Outline_Decompose
1190 FT_EXPORT( FT_Error ) FT_Outline_Decompose(
1191 FT_Outline* outline,
1192 const FT_Outline_Funcs* interface,
1193 void* user );
1194#endif
1195
1196typedef struct _OutlineInfo OutlineInfo;
1197struct _OutlineInfo {
1198 wxPostScriptDC* caller;
1199};
1200
1201static int paps_move_to( FT_Vector* to, void *user_data)
1202{
1203 OutlineInfo *outline_info = (OutlineInfo*)user_data;
1204 outline_info->caller->PsPrintf( wxT("%d %d moveto\n"), (int)to->x, (int)to->y );
1205 return 0;
1206}
1207
1208static int paps_line_to( FT_Vector* to, void *user_data)
1209{
1210 OutlineInfo *outline_info = (OutlineInfo*)user_data;
1211 outline_info->caller->PsPrintf( wxT("%d %d lineto\n"), (int)to->x , (int)to->y );
1212 return 0;
1213}
1214
1215static int paps_conic_to( FT_Vector* control, FT_Vector* to, void *user_data)
1216{
1217 OutlineInfo *outline_info = (OutlineInfo*)user_data;
1218 outline_info->caller->PsPrintf( wxT("%d %d %d %d conicto\n"),
1219 (int)control->x ,
1220 (int)control->y ,
1221 (int)to->x ,
1222 (int)to->y );
1223 return 0;
1224}
1225
1226static int
1227paps_cubic_to( FT_Vector* control1, FT_Vector* control2,
1228 FT_Vector* to, void *user_data)
1229{
1230 OutlineInfo *outline_info = (OutlineInfo*)user_data;
1231 outline_info->caller->PsPrintf(wxT("%d %d %d %d %d %d curveto\n"),
1232 (int)control1->x ,
1233 (int)control1->y ,
1234 (int)control2->x ,
1235 (int)control2->y ,
1236 (int)to->x ,
1237 (int)to->y );
1238 return 0;
1239}
1240
1241void draw_bezier_outline(wxPostScriptDC* caller,
1242 FT_Face face,
1243 FT_UInt glyph_index,
1244 int pos_x,
1245 int pos_y,
1246 double scale_x,
1247 double scale_y )
1248{
1249 FT_Int load_flags = FT_LOAD_NO_BITMAP;
1250 FT_Glyph glyph;
1251
1252 FT_Outline_Funcs outlinefunc =
1253 {
1254 paps_move_to,
1255 paps_line_to,
1256 paps_conic_to,
1257 paps_cubic_to
1258 };
1259
1260 OutlineInfo outline_info;
1261 outline_info.caller = caller;
1262
1263 caller->PsPrint("gsave\n");
1264 caller->PsPrintf( wxT("%d %d translate\n"), pos_x, pos_y );
1265
1266 // We have to replace the "," from the German
1267 // locale with the Englich "." for PostScript
1268 char buf[100];
1269 sprintf(buf, "%.8f %.8f scale\n", scale_x, scale_y );
1270 for (size_t i = 0; i < strlen(buf); i++)
1271 if (buf[i] == ',') buf[i] = '.';
1272 caller->PsPrint(buf);
1273
1274 FT_Load_Glyph(face, glyph_index, load_flags);
1275 FT_Get_Glyph (face->glyph, &glyph);
1276 FT_Outline_Decompose (&(((FT_OutlineGlyph)glyph)->outline),
1277 &outlinefunc, &outline_info);
1278 caller->PsPrint("closepath fill grestore\n");
1279
1280 FT_Done_Glyph (glyph);
1281}
1282
1283#endif
1284
1285void wxPostScriptDC::DoDrawText( const wxString& text, wxCoord x, wxCoord y )
1286{
1287 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1288
1289 if (m_textForegroundColour.Ok())
1290 {
1291 unsigned char red = m_textForegroundColour.Red();
1292 unsigned char blue = m_textForegroundColour.Blue();
1293 unsigned char green = m_textForegroundColour.Green();
1294
1295 if (!m_colour)
1296 {
1297 // Anything not white is black
1298 if (! (red == (unsigned char) 255 &&
1299 blue == (unsigned char) 255 &&
1300 green == (unsigned char) 255))
1301 {
1302 red = (unsigned char) 0;
1303 green = (unsigned char) 0;
1304 blue = (unsigned char) 0;
1305 }
1306 }
1307
1308 // maybe setgray here ?
1309 if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1310 {
1311 double redPS = (double)(red) / 255.0;
1312 double bluePS = (double)(blue) / 255.0;
1313 double greenPS = (double)(green) / 255.0;
1314
1315 char buffer[100];
1316 sprintf( buffer,
1317 "%.8f %.8f %.8f setrgbcolor\n",
1318 redPS, greenPS, bluePS );
1319 for (size_t i = 0; i < strlen(buffer); i++)
1320 if (buffer[i] == ',') buffer[i] = '.';
1321 PsPrint( buffer );
1322
1323 m_currentRed = red;
1324 m_currentBlue = blue;
1325 m_currentGreen = green;
1326 }
1327 }
1328
1329#if wxUSE_PANGO
1330 int ps_dpi = 72;
1331 int pango_dpi = 600;
1332 PangoContext *context = pango_ft2_get_context ( pango_dpi, pango_dpi );
1333
1334 double scale = (double)pango_dpi / (double)ps_dpi;
1335 scale /= m_userScaleY;
1336
1337 pango_context_set_language (context, pango_language_from_string ("en_US"));
1338 pango_context_set_base_dir (context, PANGO_DIRECTION_LTR );
1339
1340 pango_context_set_font_description (context, m_font.GetNativeFontInfo()->description );
1341
1342 PangoLayout *layout = pango_layout_new (context);
1343#if wxUSE_UNICODE
1344 wxCharBuffer buffer = wxConvUTF8.cWC2MB( text );
1345#else
1346 wxCharBuffer buffer = wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) );
1347#endif
1348 pango_layout_set_text( layout, (const char*) buffer, strlen(buffer) );
1349
1350 PsPrintf( wxT("%%%% %s\n"), text.c_str() );
1351
1352 PangoRectangle rect;
1353 pango_layout_get_extents(layout, NULL, &rect);
1354
1355 int xx = LogicalToDeviceX( x );
1356 int yy = LogicalToDeviceY( y );
1357
1358 int xxx = xx * PANGO_SCALE;
1359 int yyy = yy * PANGO_SCALE - (int)(rect.height * 0.66 / scale); // Move down by estimated baseline. HACK.
1360
1361#define ps_kludge_factor 2.8
1362
1363 // Loop over lines in layout
1364 int num_lines = pango_layout_get_line_count( layout );
1365 for (int i = 0; i < num_lines; i++)
1366 {
1367 PangoLayoutLine *line = pango_layout_get_line( layout, i );
1368
1369 // width of glyphs already printed
1370 int all_width = 0;
1371
1372 // Loop over runs in line
1373 GSList *runs_list = line->runs;
1374 while (runs_list)
1375 {
1376 PangoLayoutRun *run = (PangoLayoutRun*) runs_list->data;
1377 PangoItem *item = run->item;
1378 PangoGlyphString *glyphs = run->glyphs;
1379 PangoAnalysis *analysis = &item->analysis;
1380 PangoFont *font = analysis->font;
1381 FT_Face ft_face = pango_ft2_font_get_face(font);
1382
1383 int num_glyphs = glyphs->num_glyphs;
1384 for (int glyph_idx = 0; glyph_idx < num_glyphs; glyph_idx++)
1385 {
1386 PangoGlyphGeometry geometry = glyphs->glyphs[glyph_idx].geometry;
1387 int pos_x = xxx + (int)((double)(all_width+geometry.x_offset) / scale);
1388 int pos_y = yyy + (int)((double)geometry.y_offset / scale );
1389 all_width += geometry.width;
1390
1391 draw_bezier_outline( this, ft_face,
1392 (FT_UInt)(glyphs->glyphs[glyph_idx].glyph),
1393 pos_x / PANGO_SCALE,
1394 pos_y / PANGO_SCALE,
1395 1.0/(ps_kludge_factor * scale * 26.6),
1396 1.0/(ps_kludge_factor * scale * 26.6) );
1397 }
1398 runs_list = runs_list->next;
1399 }
1400 }
1401
1402 g_object_unref( G_OBJECT( layout ) );
1403 g_object_unref( G_OBJECT( context ) );
1404#else // !wxUSE_PANGO
1405 wxCoord text_w, text_h, text_descent;
1406
1407 GetTextExtent(text, &text_w, &text_h, &text_descent);
1408
1409 // VZ: this seems to be unnecessary, so taking it out for now, if it
1410 // doesn't create any problems, remove this comment entirely
1411 //SetFont( m_font );
1412
1413
1414 int size = m_font.GetPointSize();
1415
1416// wxCoord by = y + (wxCoord)floor( double(size) * 2.0 / 3.0 ); // approximate baseline
1417// commented by V. Slavik and replaced by accurate version
1418// - note that there is still rounding error in text_descent!
1419 wxCoord by = y + size - text_descent; // baseline
1420
1421 PsPrintf( wxT("%d %d moveto\n"), LogicalToDeviceX(x), LogicalToDeviceY(by) );
1422 PsPrint( "(" );
1423
1424 const wxWX2MBbuf textbuf = text.mb_str();
1425 size_t len = strlen(textbuf);
1426 size_t i;
1427 for (i = 0; i < len; i++)
1428 {
1429 int c = (unsigned char) textbuf[i];
1430 if (c == ')' || c == '(' || c == '\\')
1431 {
1432 /* Cope with special characters */
1433 PsPrint( "\\" );
1434 PsPrint(c);
1435 }
1436 else if ( c >= 128 )
1437 {
1438 /* Cope with character codes > 127 */
1439 PsPrintf( wxT("\\%o"), c);
1440 }
1441 else
1442 {
1443 PsPrint(c);
1444 }
1445 }
1446
1447 PsPrint( ") show\n" );
1448
1449 if (m_font.GetUnderlined())
1450 {
1451 wxCoord uy = (wxCoord)(y + size - m_underlinePosition);
1452 char buffer[100];
1453
1454 sprintf( buffer,
1455 "gsave\n"
1456 "%d %d moveto\n"
1457 "%f setlinewidth\n"
1458 "%d %d lineto\n"
1459 "stroke\n"
1460 "grestore\n",
1461 LogicalToDeviceX(x), LogicalToDeviceY(uy),
1462 m_underlineThickness,
1463 LogicalToDeviceX(x + text_w), LogicalToDeviceY(uy) );
1464 for (i = 0; i < 100; i++)
1465 if (buffer[i] == ',') buffer[i] = '.';
1466 PsPrint( buffer );
1467 }
1468
1469 CalcBoundingBox( x, y );
1470 CalcBoundingBox( x + size * text.Length() * 2/3 , y );
1471#endif // wxUSE_PANGO/!wxUSE_PANGO
1472}
1473
1474void wxPostScriptDC::DoDrawRotatedText( const wxString& text, wxCoord x, wxCoord y, double angle )
1475{
1476 if (angle == 0.0)
1477 {
1478 DoDrawText(text, x, y);
1479 return;
1480 }
1481
1482 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1483
1484 SetFont( m_font );
1485
1486 if (m_textForegroundColour.Ok())
1487 {
1488 unsigned char red = m_textForegroundColour.Red();
1489 unsigned char blue = m_textForegroundColour.Blue();
1490 unsigned char green = m_textForegroundColour.Green();
1491
1492 if (!m_colour)
1493 {
1494 // Anything not white is black
1495 if (! (red == (unsigned char) 255 &&
1496 blue == (unsigned char) 255 &&
1497 green == (unsigned char) 255))
1498 {
1499 red = (unsigned char) 0;
1500 green = (unsigned char) 0;
1501 blue = (unsigned char) 0;
1502 }
1503 }
1504
1505 // maybe setgray here ?
1506 if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1507 {
1508 double redPS = (double)(red) / 255.0;
1509 double bluePS = (double)(blue) / 255.0;
1510 double greenPS = (double)(green) / 255.0;
1511
1512 char buffer[100];
1513 sprintf( buffer,
1514 "%.8f %.8f %.8f setrgbcolor\n",
1515 redPS, greenPS, bluePS );
1516 for (int i = 0; i < 100; i++)
1517 if (buffer[i] == ',') buffer[i] = '.';
1518 PsPrint( buffer );
1519
1520 m_currentRed = red;
1521 m_currentBlue = blue;
1522 m_currentGreen = green;
1523 }
1524 }
1525
1526 int size = m_font.GetPointSize();
1527
1528 PsPrintf( wxT("%d %d moveto\n"),
1529 LogicalToDeviceX(x), LogicalToDeviceY(y));
1530
1531 char buffer[100];
1532 sprintf(buffer, "%.8f rotate\n", angle);
1533 size_t i;
1534 for (i = 0; i < 100; i++)
1535 {
1536 if (buffer[i] == ',') buffer[i] = '.';
1537 }
1538 PsPrint( buffer);
1539
1540 PsPrint( "(" );
1541 const wxWX2MBbuf textbuf = text.mb_str();
1542 size_t len = strlen(textbuf);
1543 for (i = 0; i < len; i++)
1544 {
1545 int c = (unsigned char) textbuf[i];
1546 if (c == ')' || c == '(' || c == '\\')
1547 {
1548 /* Cope with special characters */
1549 PsPrint( "\\" );
1550 PsPrint(c);
1551 }
1552 else if ( c >= 128 )
1553 {
1554 /* Cope with character codes > 127 */
1555 PsPrintf( wxT("\\%o"), c);
1556 }
1557 else
1558 {
1559 PsPrint(c);
1560 }
1561 }
1562
1563 PsPrint( ") show\n" );
1564
1565 sprintf( buffer, "%.8f rotate\n", -angle );
1566 for (i = 0; i < 100; i++)
1567 {
1568 if (buffer[i] == ',') buffer[i] = '.';
1569 }
1570 PsPrint( buffer );
1571
1572 if (m_font.GetUnderlined())
1573 {
1574 wxCoord uy = (wxCoord)(y + size - m_underlinePosition);
1575 wxCoord w, h;
1576 char buffer[100];
1577 GetTextExtent(text, &w, &h);
1578
1579 sprintf( buffer,
1580 "gsave\n"
1581 "%d %d moveto\n"
1582 "%f setlinewidth\n"
1583 "%d %d lineto\n"
1584 "stroke\n"
1585 "grestore\n",
1586 LogicalToDeviceX(x), LogicalToDeviceY(uy),
1587 m_underlineThickness,
1588 LogicalToDeviceX(x + w), LogicalToDeviceY(uy) );
1589 for (i = 0; i < 100; i++)
1590 {
1591 if (buffer[i] == ',') buffer[i] = '.';
1592 }
1593 PsPrint( buffer );
1594 }
1595
1596 CalcBoundingBox( x, y );
1597 CalcBoundingBox( x + size * text.Length() * 2/3 , y );
1598}
1599
1600void wxPostScriptDC::SetBackground (const wxBrush& brush)
1601{
1602 m_backgroundBrush = brush;
1603}
1604
1605void wxPostScriptDC::SetLogicalFunction (int WXUNUSED(function))
1606{
1607 wxFAIL_MSG( wxT("wxPostScriptDC::SetLogicalFunction not implemented.") );
1608}
1609
1610void wxPostScriptDC::DoDrawSpline( wxList *points )
1611{
1612 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1613
1614 SetPen( m_pen );
1615
1616 // a and b are not used
1617 //double a, b;
1618 double c, d, x1, y1, x2, y2, x3, y3;
1619 wxPoint *p, *q;
1620
1621 wxList::compatibility_iterator node = points->GetFirst();
1622 p = (wxPoint *)node->GetData();
1623 x1 = p->x;
1624 y1 = p->y;
1625
1626 node = node->GetNext();
1627 p = (wxPoint *)node->GetData();
1628 c = p->x;
1629 d = p->y;
1630 x3 =
1631 #if 0
1632 a =
1633 #endif
1634 (double)(x1 + c) / 2;
1635 y3 =
1636 #if 0
1637 b =
1638 #endif
1639 (double)(y1 + d) / 2;
1640
1641 PsPrintf( wxT("newpath\n")
1642 wxT("%d %d moveto\n")
1643 wxT("%d %d lineto\n"),
1644 LogicalToDeviceX((wxCoord)x1), LogicalToDeviceY((wxCoord)y1),
1645 LogicalToDeviceX((wxCoord)x3), LogicalToDeviceY((wxCoord)y3) );
1646
1647 CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1648 CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1649
1650 node = node->GetNext();
1651 while (node)
1652 {
1653 q = (wxPoint *)node->GetData();
1654
1655 x1 = x3;
1656 y1 = y3;
1657 x2 = c;
1658 y2 = d;
1659 c = q->x;
1660 d = q->y;
1661 x3 = (double)(x2 + c) / 2;
1662 y3 = (double)(y2 + d) / 2;
1663
1664 PsPrintf( wxT("%d %d %d %d %d %d DrawSplineSection\n"),
1665 LogicalToDeviceX((wxCoord)x1), LogicalToDeviceY((wxCoord)y1),
1666 LogicalToDeviceX((wxCoord)x2), LogicalToDeviceY((wxCoord)y2),
1667 LogicalToDeviceX((wxCoord)x3), LogicalToDeviceY((wxCoord)y3) );
1668
1669 CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1670 CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1671
1672 node = node->GetNext();
1673 }
1674
1675 /*
1676 At this point, (x2,y2) and (c,d) are the position of the
1677 next-to-last and last point respectively, in the point list
1678 */
1679
1680 PsPrintf( wxT("%d %d lineto\n")
1681 wxT("stroke\n"),
1682 LogicalToDeviceX((wxCoord)c), LogicalToDeviceY((wxCoord)d) );
1683}
1684
1685wxCoord wxPostScriptDC::GetCharWidth() const
1686{
1687 // Chris Breeze: reasonable approximation using wxMODERN/Courier
1688 return (wxCoord) (GetCharHeight() * 72.0 / 120.0);
1689}
1690
1691
1692void wxPostScriptDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
1693{
1694 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1695
1696 m_signX = (xLeftRight ? 1 : -1);
1697 m_signY = (yBottomUp ? 1 : -1);
1698
1699 // FIXME there is no such function in MSW nor in OS2/PM
1700#if !defined(__WXMSW__) && !defined(__WXPM__)
1701 ComputeScaleAndOrigin();
1702#endif
1703}
1704
1705void wxPostScriptDC::SetDeviceOrigin( wxCoord x, wxCoord y )
1706{
1707 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1708
1709 int h = 0;
1710 int w = 0;
1711 GetSize( &w, &h );
1712
1713 wxDC::SetDeviceOrigin( x, h-y );
1714}
1715
1716void wxPostScriptDC::DoGetSize(int* width, int* height) const
1717{
1718 wxPaperSize id = m_printData.GetPaperId();
1719
1720 wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(id);
1721
1722 if (!paper) paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
1723
1724 int w = 595;
1725 int h = 842;
1726 if (paper)
1727 {
1728 w = paper->GetSizeDeviceUnits().x;
1729 h = paper->GetSizeDeviceUnits().y;
1730 }
1731
1732 if (m_printData.GetOrientation() == wxLANDSCAPE)
1733 {
1734 int tmp = w;
1735 w = h;
1736 h = tmp;
1737 }
1738
1739 if (width) *width = (int)(w * ms_PSScaleFactor);
1740 if (height) *height = (int)(h * ms_PSScaleFactor);
1741}
1742
1743void wxPostScriptDC::DoGetSizeMM(int *width, int *height) const
1744{
1745 wxPaperSize id = m_printData.GetPaperId();
1746
1747 wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(id);
1748
1749 if (!paper) paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
1750
1751 int w = 210;
1752 int h = 297;
1753 if (paper)
1754 {
1755 w = paper->GetWidth() / 10;
1756 h = paper->GetHeight() / 10;
1757 }
1758
1759 if (m_printData.GetOrientation() == wxLANDSCAPE)
1760 {
1761 int tmp = w;
1762 w = h;
1763 h = tmp;
1764 }
1765
1766 if (width) *width = w;
1767 if (height) *height = h;
1768}
1769
1770// Resolution in pixels per logical inch
1771wxSize wxPostScriptDC::GetPPI(void) const
1772{
1773 return wxSize((int)(72 * ms_PSScaleFactor),
1774 (int)(72 * ms_PSScaleFactor));
1775}
1776
1777
1778bool wxPostScriptDC::StartDoc( const wxString& message )
1779{
1780 wxCHECK_MSG( m_ok, FALSE, wxT("invalid postscript dc") );
1781
1782 if ( m_printData.GetPrintMode() != wxPRINT_MODE_STREAM )
1783 {
1784 if (m_printData.GetFilename() == wxT(""))
1785 {
1786 wxString filename = wxGetTempFileName( wxT("ps") );
1787 m_printData.SetFilename(filename);
1788 }
1789
1790 // FIXME: use fn_str() here under Unicode?
1791 m_pstream = wxFopen( m_printData.GetFilename().c_str(), wxT("w+") );
1792
1793 if (!m_pstream)
1794 {
1795 wxLogError( _("Cannot open file for PostScript printing!"));
1796 m_ok = FALSE;
1797 return FALSE;
1798 }
1799 }
1800
1801 m_ok = TRUE;
1802 m_title = message;
1803
1804 PsPrint( "%!PS-Adobe-2.0\n" );
1805 PsPrintf( wxT("%%%%Title: %s\n"), m_title.c_str() );
1806 PsPrint( "%%Creator: wxWindows PostScript renderer\n" );
1807 PsPrintf( wxT("%%%%CreationDate: %s\n"), wxNow().c_str() );
1808 if (m_printData.GetOrientation() == wxLANDSCAPE)
1809 PsPrint( "%%Orientation: Landscape\n" );
1810 else
1811 PsPrint( "%%Orientation: Portrait\n" );
1812
1813 // PsPrintf( wxT("%%%%Pages: %d\n"), (wxPageNumber - 1) );
1814
1815 const wxChar *paper;
1816 switch (m_printData.GetPaperId())
1817 {
1818 case wxPAPER_LETTER: paper = wxT("Letter"); break; // Letter: paper ""; 8 1/2 by 11 inches
1819 case wxPAPER_LEGAL: paper = wxT("Legal"); break; // Legal, 8 1/2 by 14 inches
1820 case wxPAPER_A4: paper = wxT("A4"); break; // A4 Sheet, 210 by 297 millimeters
1821 case wxPAPER_TABLOID: paper = wxT("Tabloid"); break; // Tabloid, 11 by 17 inches
1822 case wxPAPER_LEDGER: paper = wxT("Ledger"); break; // Ledger, 17 by 11 inches
1823 case wxPAPER_STATEMENT: paper = wxT("Statement"); break; // Statement, 5 1/2 by 8 1/2 inches
1824 case wxPAPER_EXECUTIVE: paper = wxT("Executive"); break; // Executive, 7 1/4 by 10 1/2 inches
1825 case wxPAPER_A3: paper = wxT("A3"); break; // A3 sheet, 297 by 420 millimeters
1826 case wxPAPER_A5: paper = wxT("A5"); break; // A5 sheet, 148 by 210 millimeters
1827 case wxPAPER_B4: paper = wxT("B4"); break; // B4 sheet, 250 by 354 millimeters
1828 case wxPAPER_B5: paper = wxT("B5"); break; // B5 sheet, 182-by-257-millimeter paper
1829 case wxPAPER_FOLIO: paper = wxT("Folio"); break; // Folio, 8-1/2-by-13-inch paper
1830 case wxPAPER_QUARTO: paper = wxT("Quaro"); break; // Quarto, 215-by-275-millimeter paper
1831 case wxPAPER_10X14: paper = wxT("10x14"); break; // 10-by-14-inch sheet
1832 default: paper = wxT("A4");
1833 }
1834 PsPrintf( wxT("%%%%DocumentPaperSizes: %s\n"), paper );
1835 PsPrint( "%%EndComments\n\n" );
1836
1837 PsPrint( "%%BeginProlog\n" );
1838 PsPrint( wxPostScriptHeaderConicTo );
1839 PsPrint( wxPostScriptHeaderEllipse );
1840 PsPrint( wxPostScriptHeaderEllipticArc );
1841 PsPrint( wxPostScriptHeaderColourImage );
1842#if wxUSE_PANGO
1843#else
1844 PsPrint( wxPostScriptHeaderReencodeISO1 );
1845 PsPrint( wxPostScriptHeaderReencodeISO2 );
1846#endif
1847 if (wxPostScriptHeaderSpline)
1848 PsPrint( wxPostScriptHeaderSpline );
1849 PsPrint( "%%EndProlog\n" );
1850
1851 SetBrush( *wxBLACK_BRUSH );
1852 SetPen( *wxBLACK_PEN );
1853 SetBackground( *wxWHITE_BRUSH );
1854 SetTextForeground( *wxBLACK );
1855
1856 // set origin according to paper size
1857 SetDeviceOrigin( 0,0 );
1858
1859 wxPageNumber = 1;
1860 m_pageNumber = 1;
1861 return TRUE;
1862}
1863
1864void wxPostScriptDC::EndDoc ()
1865{
1866 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1867
1868 if (m_clipping)
1869 {
1870 m_clipping = FALSE;
1871 PsPrint( "grestore\n" );
1872 }
1873
1874 if ( m_pstream ) {
1875 fclose( m_pstream );
1876 m_pstream = (FILE *) NULL;
1877 }
1878
1879#if 0
1880 // THE FOLLOWING HAS BEEN CONTRIBUTED BY Andy Fyfe <andy@hyperparallel.com>
1881 wxCoord wx_printer_translate_x, wx_printer_translate_y;
1882 double wx_printer_scale_x, wx_printer_scale_y;
1883
1884 wx_printer_translate_x = (wxCoord)m_printData.GetPrinterTranslateX();
1885 wx_printer_translate_y = (wxCoord)m_printData.GetPrinterTranslateY();
1886
1887 wx_printer_scale_x = m_printData.GetPrinterScaleX();
1888 wx_printer_scale_y = m_printData.GetPrinterScaleY();
1889
1890 // Compute the bounding box. Note that it is in the default user
1891 // coordinate system, thus we have to convert the values.
1892 wxCoord minX = (wxCoord) LogicalToDeviceX(m_minX);
1893 wxCoord minY = (wxCoord) LogicalToDeviceY(m_minY);
1894 wxCoord maxX = (wxCoord) LogicalToDeviceX(m_maxX);
1895 wxCoord maxY = (wxCoord) LogicalToDeviceY(m_maxY);
1896
1897 // LOG2DEV may have changed the minimum to maximum vice versa
1898 if ( minX > maxX ) { wxCoord tmp = minX; minX = maxX; maxX = tmp; }
1899 if ( minY > maxY ) { wxCoord tmp = minY; minY = maxY; maxY = tmp; }
1900
1901 // account for used scaling (boundingbox is before scaling in ps-file)
1902 double scale_x = m_printData.GetPrinterScaleX() / ms_PSScaleFactor;
1903 double scale_y = m_printData.GetPrinterScaleY() / ms_PSScaleFactor;
1904
1905 wxCoord llx, lly, urx, ury;
1906 llx = (wxCoord) ((minX+wx_printer_translate_x)*scale_x);
1907 lly = (wxCoord) ((minY+wx_printer_translate_y)*scale_y);
1908 urx = (wxCoord) ((maxX+wx_printer_translate_x)*scale_x);
1909 ury = (wxCoord) ((maxY+wx_printer_translate_y)*scale_y);
1910 // (end of bounding box computation)
1911
1912
1913 // If we're landscape, our sense of "x" and "y" is reversed.
1914 if (m_printData.GetOrientation() == wxLANDSCAPE)
1915 {
1916 wxCoord tmp;
1917 tmp = llx; llx = lly; lly = tmp;
1918 tmp = urx; urx = ury; ury = tmp;
1919
1920 // We need either the two lines that follow, or we need to subtract
1921 // min_x from real_translate_y, which is commented out below.
1922 llx = llx - (wxCoord)(m_minX*wx_printer_scale_y);
1923 urx = urx - (wxCoord)(m_minX*wx_printer_scale_y);
1924 }
1925
1926 // The Adobe specifications call for integers; we round as to make
1927 // the bounding larger.
1928 PsPrintf( wxT("%%%%BoundingBox: %d %d %d %d\n"),
1929 (wxCoord)floor((double)llx), (wxCoord)floor((double)lly),
1930 (wxCoord)ceil((double)urx), (wxCoord)ceil((double)ury) );
1931
1932 // To check the correctness of the bounding box, postscript commands
1933 // to draw a box corresponding to the bounding box are generated below.
1934 // But since we typically don't want to print such a box, the postscript
1935 // commands are generated within comments. These lines appear before any
1936 // adjustment of scale, rotation, or translation, and hence are in the
1937 // default user coordinates.
1938 PsPrint( "% newpath\n" );
1939 PsPrintf( wxT("%% %d %d moveto\n"), llx, lly );
1940 PsPrintf( wxT("%% %d %d lineto\n"), urx, lly );
1941 PsPrintf( wxT("%% %d %d lineto\n"), urx, ury );
1942 PsPrintf( wxT("%% %d %d lineto closepath stroke\n"), llx, ury );
1943#endif
1944
1945#if defined(__X__) || defined(__WXGTK__)
1946 if (m_ok && (m_printData.GetPrintMode() == wxPRINT_MODE_PRINTER))
1947 {
1948 wxString command;
1949 command += m_printData.GetPrinterCommand();
1950 command += wxT(" ");
1951 command += m_printData.GetPrinterOptions();
1952 command += wxT(" ");
1953 command += m_printData.GetFilename();
1954
1955 wxExecute( command, TRUE );
1956 wxRemoveFile( m_printData.GetFilename() );
1957 }
1958#endif
1959}
1960
1961void wxPostScriptDC::StartPage()
1962{
1963 wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1964
1965 PsPrintf( wxT("%%%%Page: %d\n"), wxPageNumber++ );
1966
1967 // What is this one supposed to do? RR.
1968// *m_pstream << "matrix currentmatrix\n";
1969
1970 // Added by Chris Breeze
1971
1972 // Each page starts with an "initgraphics" which resets the
1973 // transformation and so we need to reset the origin
1974 // (and rotate the page for landscape printing)
1975
1976 // Output scaling
1977 wxCoord translate_x, translate_y;
1978 double scale_x, scale_y;
1979
1980 translate_x = (wxCoord)m_printData.GetPrinterTranslateX();
1981 translate_y = (wxCoord)m_printData.GetPrinterTranslateY();
1982
1983 scale_x = m_printData.GetPrinterScaleX();
1984 scale_y = m_printData.GetPrinterScaleY();
1985
1986 if (m_printData.GetOrientation() == wxLANDSCAPE)
1987 {
1988 int h;
1989 GetSize( (int*) NULL, &h );
1990 translate_y -= h;
1991 PsPrint( "90 rotate\n" );
1992 // I copied this one from a PostScript tutorial, but to no avail. RR.
1993 // PsPrint( "90 rotate llx neg ury nef translate\n" );
1994 }
1995
1996 char buffer[100];
1997 sprintf( buffer, "%.8f %.8f scale\n", scale_x / ms_PSScaleFactor,
1998 scale_y / ms_PSScaleFactor);
1999 for (int i = 0; i < 100; i++)
2000 if (buffer[i] == ',') buffer[i] = '.';
2001 PsPrint( buffer );
2002
2003 PsPrintf( wxT("%d %d translate\n"), translate_x, translate_y );
2004}
2005
2006void wxPostScriptDC::EndPage ()
2007{
2008 wxCHECK_RET( m_ok , wxT("invalid postscript dc") );
2009
2010 PsPrint( "showpage\n" );
2011}
2012
2013bool wxPostScriptDC::DoBlit( wxCoord xdest, wxCoord ydest,
2014 wxCoord fwidth, wxCoord fheight,
2015 wxDC *source,
2016 wxCoord xsrc, wxCoord ysrc,
2017 int rop, bool WXUNUSED(useMask), wxCoord WXUNUSED(xsrcMask), wxCoord WXUNUSED(ysrcMask) )
2018{
2019 wxCHECK_MSG( m_ok, FALSE, wxT("invalid postscript dc") );
2020
2021 wxCHECK_MSG( source, FALSE, wxT("invalid source dc") );
2022
2023 /* blit into a bitmap */
2024 wxBitmap bitmap( (int)fwidth, (int)fheight );
2025 wxMemoryDC memDC;
2026 memDC.SelectObject(bitmap);
2027 memDC.Blit(0, 0, fwidth, fheight, source, xsrc, ysrc, rop); /* TODO: Blit transparently? */
2028 memDC.SelectObject(wxNullBitmap);
2029
2030 /* draw bitmap. scaling and positioning is done there */
2031 DrawBitmap( bitmap, xdest, ydest );
2032
2033 return TRUE;
2034}
2035
2036wxCoord wxPostScriptDC::GetCharHeight() const
2037{
2038 if (m_font.Ok())
2039 return m_font.GetPointSize();
2040 else
2041 return 12;
2042}
2043
2044void wxPostScriptDC::DoGetTextExtent(const wxString& string,
2045 wxCoord *x, wxCoord *y,
2046 wxCoord *descent, wxCoord *externalLeading,
2047 wxFont *theFont ) const
2048{
2049 wxFont *fontToUse = theFont;
2050
2051 if (!fontToUse) fontToUse = (wxFont*) &m_font;
2052
2053 wxCHECK_RET( fontToUse, wxT("GetTextExtent: no font defined") );
2054
2055 if (string.IsEmpty())
2056 {
2057 if (x) (*x) = 0;
2058 if (y) (*y) = 0;
2059 if (descent) (*descent) = 0;
2060 if (externalLeading) (*externalLeading) = 0;
2061 return;
2062 }
2063
2064#if wxUSE_PANGO
2065 int wx_dpi = GetResolution();
2066 int pango_dpi = 600;
2067 PangoContext *context = pango_ft2_get_context ( pango_dpi, pango_dpi );
2068
2069 double scale = pango_dpi / wx_dpi;
2070 scale /= m_userScaleY;
2071
2072 pango_context_set_language (context, pango_language_from_string ("en_US"));
2073 pango_context_set_base_dir (context, PANGO_DIRECTION_LTR );
2074
2075 PangoLayout *layout = pango_layout_new (context);
2076
2077 PangoFontDescription *desc = fontToUse->GetNativeFontInfo()->description;
2078 pango_layout_set_font_description(layout, desc);
2079#if wxUSE_UNICODE
2080 const wxCharBuffer data = wxConvUTF8.cWC2MB( string );
2081#else
2082 const wxWCharBuffer wdata = wxConvLocal.cMB2WC( string );
2083 const wxCharBuffer data = wxConvUTF8.cWC2MB( wdata );
2084#endif
2085 pango_layout_set_text(layout, (const char*) data, strlen( (const char*) data ));
2086 PangoLayoutLine *line = (PangoLayoutLine *)pango_layout_get_lines(layout)->data;
2087
2088 PangoRectangle rect;
2089 pango_layout_line_get_extents(line, NULL, &rect);
2090
2091 if (x) (*x) = (wxCoord) ( rect.width / PANGO_SCALE / scale );
2092 if (y) (*y) = (wxCoord) ( rect.height / PANGO_SCALE / scale );
2093 if (descent)
2094 {
2095 // Do something about metrics here
2096 (*descent) = 0;
2097 }
2098 if (externalLeading) (*externalLeading) = 0; // ??
2099
2100 g_object_unref( G_OBJECT( layout ) );
2101#else
2102 // GTK 2.0
2103
2104 const wxWX2MBbuf strbuf = string.mb_str();
2105
2106#if !wxUSE_AFM_FOR_POSTSCRIPT
2107 /* Provide a VERY rough estimate (avoid using it).
2108 * Produces accurate results for mono-spaced font
2109 * such as Courier (aka wxMODERN) */
2110
2111 int height = 12;
2112 if (fontToUse)
2113 {
2114 height = fontToUse->GetPointSize();
2115 }
2116 if ( x )
2117 *x = strlen (strbuf) * height * 72 / 120;
2118 if ( y )
2119 *y = (wxCoord) (height * 1.32); /* allow for descender */
2120 if (descent) *descent = 0;
2121 if (externalLeading) *externalLeading = 0;
2122#else
2123
2124 /* method for calculating string widths in postscript:
2125 / read in the AFM (adobe font metrics) file for the
2126 / actual font, parse it and extract the character widths
2127 / and also the descender. this may be improved, but for now
2128 / it works well. the AFM file is only read in if the
2129 / font is changed. this may be chached in the future.
2130 / calls to GetTextExtent with the font unchanged are rather
2131 / efficient!!!
2132 /
2133 / for each font and style used there is an AFM file necessary.
2134 / currently i have only files for the roman font family.
2135 / I try to get files for the other ones!
2136 /
2137 / CAVE: the size of the string is currently always calculated
2138 / in 'points' (1/72 of an inch). this should later on be
2139 / changed to depend on the mapping mode.
2140 / CAVE: the path to the AFM files must be set before calling this
2141 / function. this is usually done by a call like the following:
2142 / wxSetAFMPath("d:\\wxw161\\afm\\");
2143 /
2144 / example:
2145 /
2146 / wxPostScriptDC dc(NULL, TRUE);
2147 / if (dc.Ok()){
2148 / wxSetAFMPath("d:\\wxw161\\afm\\");
2149 / dc.StartDoc("Test");
2150 / dc.StartPage();
2151 / wxCoord w,h;
2152 / dc.SetFont(new wxFont(10, wxROMAN, wxNORMAL, wxNORMAL));
2153 / dc.GetTextExtent("Hallo",&w,&h);
2154 / dc.EndPage();
2155 / dc.EndDoc();
2156 / }
2157 /
2158 / by steve (stefan.hammes@urz.uni-heidelberg.de)
2159 / created: 10.09.94
2160 / updated: 14.05.95 */
2161
2162 /* these static vars are for storing the state between calls */
2163 static int lastFamily= INT_MIN;
2164 static int lastSize= INT_MIN;
2165 static int lastStyle= INT_MIN;
2166 static int lastWeight= INT_MIN;
2167 static int lastDescender = INT_MIN;
2168 static int lastWidths[256]; /* widths of the characters */
2169
2170 double UnderlinePosition = 0.0;
2171 double UnderlineThickness = 0.0;
2172
2173 // Get actual parameters
2174 int Family = fontToUse->GetFamily();
2175 int Size = fontToUse->GetPointSize();
2176 int Style = fontToUse->GetStyle();
2177 int Weight = fontToUse->GetWeight();
2178
2179 // If we have another font, read the font-metrics
2180 if (Family!=lastFamily || Size!=lastSize || Style!=lastStyle || Weight!=lastWeight)
2181 {
2182 // Store actual values
2183 lastFamily = Family;
2184 lastSize = Size;
2185 lastStyle = Style;
2186 lastWeight = Weight;
2187
2188 const wxChar *name;
2189
2190 switch (Family)
2191 {
2192 case wxMODERN:
2193 case wxTELETYPE:
2194 {
2195 if ((Style == wxITALIC) && (Weight == wxBOLD)) name = wxT("CourBoO.afm");
2196 else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = wxT("CourBo.afm");
2197 else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = wxT("CourO.afm");
2198 else name = wxT("Cour.afm");
2199 break;
2200 }
2201 case wxROMAN:
2202 {
2203 if ((Style == wxITALIC) && (Weight == wxBOLD)) name = wxT("TimesBoO.afm");
2204 else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = wxT("TimesBo.afm");
2205 else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = wxT("TimesO.afm");
2206 else name = wxT("TimesRo.afm");
2207 break;
2208 }
2209 case wxSCRIPT:
2210 {
2211 name = wxT("Zapf.afm");
2212 break;
2213 }
2214 case wxSWISS:
2215 default:
2216 {
2217 if ((Style == wxITALIC) && (Weight == wxBOLD)) name = wxT("HelvBoO.afm");
2218 else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = wxT("HelvBo.afm");
2219 else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = wxT("HelvO.afm");
2220 else name = wxT("Helv.afm");
2221 break;
2222 }
2223 }
2224
2225 FILE *afmFile = NULL;
2226
2227 // Get the directory of the AFM files
2228 wxString afmName;
2229 if (!m_printData.GetFontMetricPath().IsEmpty())
2230 {
2231 afmName = m_printData.GetFontMetricPath();
2232 afmName << wxFILE_SEP_PATH << name;
2233 afmFile = wxFopen(afmName,wxT("r"));
2234 }
2235
2236#if defined(__UNIX__) && !defined(__VMS__)
2237 if (afmFile==NULL)
2238 {
2239 afmName = wxGetDataDir();
2240 afmName << wxFILE_SEP_PATH
2241#if defined(__LINUX__) || defined(__FREEBSD__)
2242 << wxT("gs_afm") << wxFILE_SEP_PATH
2243#else
2244 << wxT("afm") << wxFILE_SEP_PATH
2245#endif
2246 << name;
2247 afmFile = wxFopen(afmName,wxT("r"));
2248 }
2249#endif
2250
2251 /* 2. open and process the file
2252 / a short explanation of the AFM format:
2253 / we have for each character a line, which gives its size
2254 / e.g.:
2255 /
2256 / C 63 ; WX 444 ; N question ; B 49 -14 395 676 ;
2257 /
2258 / that means, we have a character with ascii code 63, and width
2259 / (444/1000 * fontSize) points.
2260 / the other data is ignored for now!
2261 /
2262 / when the font has changed, we read in the right AFM file and store the
2263 / character widths in an array, which is processed below (see point 3.). */
2264 if (afmFile==NULL)
2265 {
2266 wxLogDebug( wxT("GetTextExtent: can't open AFM file '%s'"), afmName.c_str() );
2267 wxLogDebug( wxT(" using approximate values"));
2268 for (int i=0; i<256; i++) lastWidths[i] = 500; /* an approximate value */
2269 lastDescender = -150; /* dito. */
2270 }
2271 else
2272 {
2273 /* init the widths array */
2274 for(int i=0; i<256; i++) lastWidths[i] = INT_MIN;
2275 /* some variables for holding parts of a line */
2276 char cString[10],semiString[10],WXString[10],descString[20];
2277 char upString[30], utString[30], encString[50];
2278 char line[256];
2279 int ascii,cWidth;
2280 /* read in the file and parse it */
2281 while(fgets(line,sizeof(line),afmFile)!=NULL)
2282 {
2283 /* A.) check for descender definition */
2284 if (strncmp(line,"Descender",9)==0)
2285 {
2286 if ((sscanf(line,"%s%d",descString,&lastDescender)!=2) ||
2287 (strcmp(descString,"Descender")!=0))
2288 {
2289 wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad descender)"), afmName.c_str(),line );
2290 }
2291 }
2292 /* JC 1.) check for UnderlinePosition */
2293 else if(strncmp(line,"UnderlinePosition",17)==0)
2294 {
2295 if ((sscanf(line,"%s%lf",upString,&UnderlinePosition)!=2) ||
2296 (strcmp(upString,"UnderlinePosition")!=0))
2297 {
2298 wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad UnderlinePosition)"), afmName.c_str(), line );
2299 }
2300 }
2301 /* JC 2.) check for UnderlineThickness */
2302 else if(strncmp(line,"UnderlineThickness",18)==0)
2303 {
2304 if ((sscanf(line,"%s%lf",utString,&UnderlineThickness)!=2) ||
2305 (strcmp(utString,"UnderlineThickness")!=0))
2306 {
2307 wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad UnderlineThickness)"), afmName.c_str(), line );
2308 }
2309 }
2310 /* JC 3.) check for EncodingScheme */
2311 else if(strncmp(line,"EncodingScheme",14)==0)
2312 {
2313 if ((sscanf(line,"%s%s",utString,encString)!=2) ||
2314 (strcmp(utString,"EncodingScheme")!=0))
2315 {
2316 wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad EncodingScheme)"), afmName.c_str(), line );
2317 }
2318 else if (strncmp(encString, "AdobeStandardEncoding", 21))
2319 {
2320 wxLogDebug( wxT("AFM-file '%s': line '%s' has error (unsupported EncodingScheme %s)"),
2321 afmName.c_str(),line, encString);
2322 }
2323 }
2324 /* B.) check for char-width */
2325 else if(strncmp(line,"C ",2)==0)
2326 {
2327 if (sscanf(line,"%s%d%s%s%d",cString,&ascii,semiString,WXString,&cWidth)!=5)
2328 {
2329 wxLogDebug(wxT("AFM-file '%s': line '%s' has an error (bad character width)"),afmName.c_str(),line);
2330 }
2331 if(strcmp(cString,"C")!=0 || strcmp(semiString,";")!=0 || strcmp(WXString,"WX")!=0)
2332 {
2333 wxLogDebug(wxT("AFM-file '%s': line '%s' has a format error"),afmName.c_str(),line);
2334 }
2335 /* printf(" char '%c'=%d has width '%d'\n",ascii,ascii,cWidth); */
2336 if (ascii>=0 && ascii<256)
2337 {
2338 lastWidths[ascii] = cWidth; /* store width */
2339 }
2340 else
2341 {
2342 /* MATTHEW: this happens a lot; don't print an error */
2343 /* wxLogDebug("AFM-file '%s': ASCII value %d out of range",afmName.c_str(),ascii); */
2344 }
2345 }
2346 /* C.) ignore other entries. */
2347 }
2348 fclose(afmFile);
2349 }
2350 /* hack to compute correct values for german 'Umlaute'
2351 / the correct way would be to map the character names
2352 / like 'adieresis' to corresp. positions of ISOEnc and read
2353 / these values from AFM files, too. Maybe later ... */
2354
2355 // NB: casts to int are needed to suppress gcc 3.3 warnings
2356