src/generic/dcpsg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/dcpsg.cpp
   3 // Purpose:     Generic wxPostScriptDC implementation
   4 // Author:      Julian Smart, Robert Roebling, Markus Holzhem
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #ifndef WX_PRECOMP
  19 #endif // WX_PRECOMP
  20
  21 #if wxUSE_PRINTING_ARCHITECTURE
  22
  23 #if wxUSE_POSTSCRIPT
  24
  25 #include "wx/setup.h"
  26
  27 #include "wx/dcmemory.h"
  28 #include "wx/utils.h"
  29 #include "wx/intl.h"
  30 #include "wx/app.h"
  31 #include "wx/image.h"
  32 #include "wx/log.h"
  33 #include "wx/generic/dcpsg.h"
  34 #include "wx/prntbase.h"
  35 #include "wx/generic/prntdlgg.h"
  36 #include "wx/paper.h"
  37 #include "wx/filefn.h"
  38 #include "wx/math.h"
  39 #include "wx/stdpaths.h"
  40
  41 #ifdef __WXMSW__
  42
  43 #ifdef DrawText
  44 #undef DrawText
  45 #endif
  46
  47 #ifdef StartDoc
  48 #undef StartDoc
  49 #endif
  50
  51 #ifdef GetCharWidth
  52 #undef GetCharWidth
  53 #endif
  54
  55 #ifdef FindWindow
  56 #undef FindWindow
  57 #endif
  58
  59 #endif
  60
  61 //-----------------------------------------------------------------------------
  62 // start and end of document/page
  63 //-----------------------------------------------------------------------------
  64
  65 static const char *wxPostScriptHeaderConicTo = "\
  66 /conicto {\n\
  67     /to_y exch def\n\
  68     /to_x exch def\n\
  69     /conic_cntrl_y exch def\n\
  70     /conic_cntrl_x exch def\n\
  71     currentpoint\n\
  72     /p0_y exch def\n\
  73     /p0_x exch def\n\
  74     /p1_x p0_x conic_cntrl_x p0_x sub 2 3 div mul add def\n\
  75     /p1_y p0_y conic_cntrl_y p0_y sub 2 3 div mul add def\n\
  76     /p2_x p1_x to_x p0_x sub 1 3 div mul add def\n\
  77     /p2_y p1_y to_y p0_y sub 1 3 div mul add def\n\
  78     p1_x p1_y p2_x p2_y to_x to_y curveto\n\
  79 }  bind def\n\
  80 ";
  81
  82 static const char *wxPostScriptHeaderEllipse = "\
  83 /ellipsedict 8 dict def\n\
  84 ellipsedict /mtrx matrix put\n\
  85 /ellipse {\n\
  86     ellipsedict begin\n\
  87     /endangle exch def\n\
  88     /startangle exch def\n\
  89     /yrad exch def\n\
  90     /xrad exch def\n\
  91     /y exch def\n\
  92     /x exch def\n\
  93     /savematrix mtrx currentmatrix def\n\
  94     x y translate\n\
  95     xrad yrad scale\n\
  96     0 0 1 startangle endangle arc\n\
  97     savematrix setmatrix\n\
  98     end\n\
  99     } def\n\
 100 ";
 101
 102 static const char *wxPostScriptHeaderEllipticArc= "\
 103 /ellipticarcdict 8 dict def\n\
 104 ellipticarcdict /mtrx matrix put\n\
 105 /ellipticarc\n\
 106 { ellipticarcdict begin\n\
 107   /do_fill exch def\n\
 108   /endangle exch def\n\
 109   /startangle exch def\n\
 110   /yrad exch def\n\
 111   /xrad exch def \n\
 112   /y exch def\n\
 113   /x exch def\n\
 114   /savematrix mtrx currentmatrix def\n\
 115   x y translate\n\
 116   xrad yrad scale\n\
 117   do_fill { 0 0 moveto } if\n\
 118   0 0 1 startangle endangle arc\n\
 119   savematrix setmatrix\n\
 120   do_fill { fill }{ stroke } ifelse\n\
 121   end\n\
 122 } def\n";
 123
 124 static const char *wxPostScriptHeaderSpline = "\
 125 /DrawSplineSection {\n\
 126     /y3 exch def\n\
 127     /x3 exch def\n\
 128     /y2 exch def\n\
 129     /x2 exch def\n\
 130     /y1 exch def\n\
 131     /x1 exch def\n\
 132     /xa x1 x2 x1 sub 0.666667 mul add def\n\
 133     /ya y1 y2 y1 sub 0.666667 mul add def\n\
 134     /xb x3 x2 x3 sub 0.666667 mul add def\n\
 135     /yb y3 y2 y3 sub 0.666667 mul add def\n\
 136     x1 y1 lineto\n\
 137     xa ya xb yb x3 y3 curveto\n\
 138     } def\n\
 139 ";
 140
 141 static const char *wxPostScriptHeaderColourImage = "\
 142 % define 'colorimage' if it isn't defined\n\
 143 %   ('colortogray' and 'mergeprocs' come from xwd2ps\n\
 144 %     via xgrab)\n\
 145 /colorimage where   % do we know about 'colorimage'?\n\
 146   { pop }           % yes: pop off the 'dict' returned\n\
 147   {                 % no:  define one\n\
 148     /colortogray {  % define an RGB->I function\n\
 149       /rgbdata exch store    % call input 'rgbdata'\n\
 150       rgbdata length 3 idiv\n\
 151       /npixls exch store\n\
 152       /rgbindx 0 store\n\
 153       0 1 npixls 1 sub {\n\
 154         grays exch\n\
 155         rgbdata rgbindx       get 20 mul    % Red\n\
 156         rgbdata rgbindx 1 add get 32 mul    % Green\n\
 157         rgbdata rgbindx 2 add get 12 mul    % Blue\n\
 158         add add 64 idiv      % I = .5G + .31R + .18B\n\
 159         put\n\
 160         /rgbindx rgbindx 3 add store\n\
 161       } for\n\
 162       grays 0 npixls getinterval\n\
 163     } bind def\n\
 164 \n\
 165     % Utility procedure for colorimage operator.\n\
 166     % This procedure takes two procedures off the\n\
 167     % stack and merges them into a single procedure.\n\
 168 \n\
 169     /mergeprocs { % def\n\
 170       dup length\n\
 171       3 -1 roll\n\
 172       dup\n\
 173       length\n\
 174       dup\n\
 175       5 1 roll\n\
 176       3 -1 roll\n\
 177       add\n\
 178       array cvx\n\
 179       dup\n\
 180       3 -1 roll\n\
 181       0 exch\n\
 182       putinterval\n\
 183       dup\n\
 184       4 2 roll\n\
 185       putinterval\n\
 186     } bind def\n\
 187 \n\
 188     /colorimage { % def\n\
 189       pop pop     % remove 'false 3' operands\n\
 190       {colortogray} mergeprocs\n\
 191       image\n\
 192     } bind def\n\
 193   } ifelse          % end of 'false' case\n\
 194 ";
 195
 196 static char wxPostScriptHeaderReencodeISO1[] =
 197     "\n/reencodeISO {\n"
 198 "dup dup findfont dup length dict begin\n"
 199 "{ 1 index /FID ne { def }{ pop pop } ifelse } forall\n"
 200 "/Encoding ISOLatin1Encoding def\n"
 201 "currentdict end definefont\n"
 202 "} def\n"
 203 "/ISOLatin1Encoding [\n"
 204 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
 205 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
 206 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
 207 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
 208 "/space/exclam/quotedbl/numbersign/dollar/percent/ampersand/quoteright\n"
 209 "/parenleft/parenright/asterisk/plus/comma/minus/period/slash\n"
 210 "/zero/one/two/three/four/five/six/seven/eight/nine/colon/semicolon\n"
 211 "/less/equal/greater/question/at/A/B/C/D/E/F/G/H/I/J/K/L/M/N\n"
 212 "/O/P/Q/R/S/T/U/V/W/X/Y/Z/bracketleft/backslash/bracketright\n"
 213 "/asciicircum/underscore/quoteleft/a/b/c/d/e/f/g/h/i/j/k/l/m\n"
 214 "/n/o/p/q/r/s/t/u/v/w/x/y/z/braceleft/bar/braceright/asciitilde\n"
 215 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
 216 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
 217 "/.notdef/dotlessi/grave/acute/circumflex/tilde/macron/breve\n"
 218 "/dotaccent/dieresis/.notdef/ring/cedilla/.notdef/hungarumlaut\n";
 219
 220 static char wxPostScriptHeaderReencodeISO2[] =
 221 "/ogonek/caron/space/exclamdown/cent/sterling/currency/yen/brokenbar\n"
 222 "/section/dieresis/copyright/ordfeminine/guillemotleft/logicalnot\n"
 223 "/hyphen/registered/macron/degree/plusminus/twosuperior/threesuperior\n"
 224 "/acute/mu/paragraph/periodcentered/cedilla/onesuperior/ordmasculine\n"
 225 "/guillemotright/onequarter/onehalf/threequarters/questiondown\n"
 226 "/Agrave/Aacute/Acircumflex/Atilde/Adieresis/Aring/AE/Ccedilla\n"
 227 "/Egrave/Eacute/Ecircumflex/Edieresis/Igrave/Iacute/Icircumflex\n"
 228 "/Idieresis/Eth/Ntilde/Ograve/Oacute/Ocircumflex/Otilde/Odieresis\n"
 229 "/multiply/Oslash/Ugrave/Uacute/Ucircumflex/Udieresis/Yacute\n"
 230 "/Thorn/germandbls/agrave/aacute/acircumflex/atilde/adieresis\n"
 231 "/aring/ae/ccedilla/egrave/eacute/ecircumflex/edieresis/igrave\n"
 232 "/iacute/icircumflex/idieresis/eth/ntilde/ograve/oacute/ocircumflex\n"
 233 "/otilde/odieresis/divide/oslash/ugrave/uacute/ucircumflex/udieresis\n"
 234 "/yacute/thorn/ydieresis\n"
 235         "] def\n\n";
 236
 237 //-------------------------------------------------------------------------------
 238 // wxPostScriptDC
 239 //-------------------------------------------------------------------------------
 240
 241 IMPLEMENT_DYNAMIC_CLASS(wxPostScriptDC, wxDC)
 242
 243 float wxPostScriptDC::ms_PSScaleFactor = 1.0;
 244
 245 void wxPostScriptDC::SetResolution(int ppi)
 246 {
 247     ms_PSScaleFactor = (float)ppi / 72.0;
 248 }
 249
 250 int wxPostScriptDC::GetResolution()
 251 {
 252     return (int)(ms_PSScaleFactor * 72.0);
 253 }
 254
 255 //-------------------------------------------------------------------------------
 256
 257 wxPostScriptDC::wxPostScriptDC ()
 258 {
 259     m_pstream = (FILE*) NULL;
 260
 261     m_currentRed = 0;
 262     m_currentGreen = 0;
 263     m_currentBlue = 0;
 264
 265     m_pageNumber = 0;
 266
 267     m_clipping = false;
 268
 269     m_underlinePosition = 0.0;
 270     m_underlineThickness = 0.0;
 271
 272     m_signX =  1;  // default x-axis left to right
 273     m_signY = -1;  // default y-axis bottom up -> top down
 274 }
 275
 276 wxPostScriptDC::wxPostScriptDC (const wxPrintData& printData)
 277 {
 278     m_pstream = (FILE*) NULL;
 279
 280     m_currentRed = 0;
 281     m_currentGreen = 0;
 282     m_currentBlue = 0;
 283
 284     m_pageNumber = 0;
 285
 286     m_clipping = false;
 287
 288     m_underlinePosition = 0.0;
 289     m_underlineThickness = 0.0;
 290
 291     m_signX =  1;  // default x-axis left to right
 292     m_signY = -1;  // default y-axis bottom up -> top down
 293
 294     m_printData = printData;
 295
 296     m_ok = true;
 297 }
 298
 299 wxPostScriptDC::~wxPostScriptDC ()
 300 {
 301     if (m_pstream)
 302     {
 303         fclose( m_pstream );
 304         m_pstream = (FILE*) NULL;
 305     }
 306 }
 307
 308 bool wxPostScriptDC::Ok() const
 309 {
 310   return m_ok;
 311 }
 312
 313 void wxPostScriptDC::DoSetClippingRegion (wxCoord x, wxCoord y, wxCoord w, wxCoord h)
 314 {
 315     wxCHECK_RET( m_ok , wxT("invalid postscript dc") );
 316
 317     if (m_clipping) DestroyClippingRegion();
 318
 319     wxDC::DoSetClippingRegion(x, y, w, h);
 320
 321     m_clipping = true;
 322
 323     PsPrintf( wxT("gsave\n newpath\n")
 324               wxT("%d %d moveto\n")
 325               wxT("%d %d lineto\n")
 326               wxT("%d %d lineto\n")
 327               wxT("%d %d lineto\n")
 328               wxT("closepath clip newpath\n"),
 329             LogicalToDeviceX(x),   LogicalToDeviceY(y),
 330             LogicalToDeviceX(x+w), LogicalToDeviceY(y),
 331             LogicalToDeviceX(x+w), LogicalToDeviceY(y+h),
 332             LogicalToDeviceX(x),   LogicalToDeviceY(y+h) );
 333 }
 334
 335
 336 void wxPostScriptDC::DestroyClippingRegion()
 337 {
 338     wxCHECK_RET( m_ok , wxT("invalid postscript dc") );
 339
 340     if (m_clipping)
 341     {
 342         m_clipping = false;
 343         PsPrint( "grestore\n" );
 344     }
 345
 346     wxDC::DestroyClippingRegion();
 347 }
 348
 349 void wxPostScriptDC::Clear()
 350 {
 351     // This should fail silently to avoid unnecessary
 352     // asserts
 353     //    wxFAIL_MSG( wxT("wxPostScriptDC::Clear not implemented.") );
 354 }
 355
 356 bool wxPostScriptDC::DoFloodFill (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), const wxColour &WXUNUSED(col), int WXUNUSED(style))
 357 {
 358     wxFAIL_MSG( wxT("wxPostScriptDC::FloodFill not implemented.") );
 359     return false;
 360 }
 361
 362 bool wxPostScriptDC::DoGetPixel (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), wxColour * WXUNUSED(col)) const
 363 {
 364     wxFAIL_MSG( wxT("wxPostScriptDC::GetPixel not implemented.") );
 365     return false;
 366 }
 367
 368 void wxPostScriptDC::DoCrossHair (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y))
 369 {
 370     wxFAIL_MSG( wxT("wxPostScriptDC::CrossHair not implemented.") );
 371 }
 372
 373 void wxPostScriptDC::DoDrawLine (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
 374 {
 375     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 376
 377     if  (m_pen.GetStyle() == wxTRANSPARENT) return;
 378
 379     SetPen( m_pen );
 380
 381     PsPrintf( wxT("newpath\n")
 382               wxT("%d %d moveto\n")
 383               wxT("%d %d lineto\n")
 384               wxT("stroke\n"),
 385             LogicalToDeviceX(x1), LogicalToDeviceY(y1),
 386             LogicalToDeviceX(x2), LogicalToDeviceY (y2) );
 387
 388     CalcBoundingBox( x1, y1 );
 389     CalcBoundingBox( x2, y2 );
 390 }
 391
 392 #define RAD2DEG 57.29577951308
 393
 394 void wxPostScriptDC::DoDrawArc (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc)
 395 {
 396     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 397
 398     wxCoord dx = x1 - xc;
 399     wxCoord dy = y1 - yc;
 400     wxCoord radius = (wxCoord) sqrt( (double)(dx*dx+dy*dy) );
 401     double alpha1, alpha2;
 402
 403     if (x1 == x2 && y1 == y2)
 404     {
 405         alpha1 = 0.0;
 406         alpha2 = 360.0;
 407     }
 408     else if ( wxIsNullDouble(radius) )
 409     {
 410         alpha1 =
 411         alpha2 = 0.0;
 412     }
 413     else
 414     {
 415         alpha1 = (x1 - xc == 0) ?
 416             (y1 - yc < 0) ? 90.0 : -90.0 :
 417                 -atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
 418         alpha2 = (x2 - xc == 0) ?
 419             (y2 - yc < 0) ? 90.0 : -90.0 :
 420                 -atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
 421     }
 422     while (alpha1 <= 0)   alpha1 += 360;
 423     while (alpha2 <= 0)   alpha2 += 360; // adjust angles to be between
 424     while (alpha1 > 360)  alpha1 -= 360; // 0 and 360 degree
 425     while (alpha2 > 360)  alpha2 -= 360;
 426
 427     if (m_brush.GetStyle() != wxTRANSPARENT)
 428     {
 429         SetBrush( m_brush );
 430
 431         PsPrintf( wxT("newpath\n")
 432                   wxT("%d %d %d %d %d %d ellipse\n")
 433                   wxT("%d %d lineto\n")
 434                   wxT("closepath\n")
 435                   wxT("fill\n"),
 436                 LogicalToDeviceX(xc), LogicalToDeviceY(yc), LogicalToDeviceXRel(radius), LogicalToDeviceYRel(radius), (wxCoord)alpha1, (wxCoord) alpha2,
 437                 LogicalToDeviceX(xc), LogicalToDeviceY(yc) );
 438
 439         CalcBoundingBox( xc-radius, yc-radius );
 440         CalcBoundingBox( xc+radius, yc+radius );
 441     }
 442
 443     if (m_pen.GetStyle() != wxTRANSPARENT)
 444     {
 445         SetPen( m_pen );
 446
 447         PsPrintf( wxT("newpath\n")
 448                   wxT("%d %d %d %d %d %d ellipse\n")
 449                   wxT("%d %d lineto\n")
 450                   wxT("stroke\n")
 451                   wxT("fill\n"),
 452                 LogicalToDeviceX(xc), LogicalToDeviceY(yc), LogicalToDeviceXRel(radius), LogicalToDeviceYRel(radius), (wxCoord)alpha1, (wxCoord) alpha2,
 453                 LogicalToDeviceX(xc), LogicalToDeviceY(yc) );
 454
 455         CalcBoundingBox( xc-radius, yc-radius );
 456         CalcBoundingBox( xc+radius, yc+radius );
 457     }
 458 }
 459
 460 void wxPostScriptDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
 461 {
 462     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 463
 464     if ( sa >= 360 || sa <= -360 )
 465         sa -= int(sa/360)*360;
 466     if ( ea >= 360 || ea <=- 360 )
 467         ea -= int(ea/360)*360;
 468     if ( sa < 0 )
 469         sa += 360;
 470     if ( ea < 0 )
 471         ea += 360;
 472
 473     if ( wxIsSameDouble(sa, ea) )
 474     {
 475         DrawEllipse(x,y,w,h);
 476         return;
 477     }
 478
 479     if (m_brush.GetStyle () != wxTRANSPARENT)
 480     {
 481         SetBrush( m_brush );
 482
 483         PsPrintf( wxT("newpath\n")
 484                   wxT("%d %d %d %d %d %d true ellipticarc\n"),
 485                   LogicalToDeviceX(x+w/2), LogicalToDeviceY(y+h/2),
 486                   LogicalToDeviceXRel(w/2), LogicalToDeviceYRel(h/2),
 487                   (wxCoord)sa, (wxCoord)ea );
 488
 489         CalcBoundingBox( x ,y );
 490         CalcBoundingBox( x+w, y+h );
 491     }
 492
 493     if (m_pen.GetStyle () != wxTRANSPARENT)
 494     {
 495         SetPen( m_pen );
 496
 497         PsPrintf( wxT("newpath\n")
 498                   wxT("%d %d %d %d %d %d false ellipticarc\n"),
 499                 LogicalToDeviceX(x+w/2), LogicalToDeviceY(y+h/2),
 500                 LogicalToDeviceXRel(w/2), LogicalToDeviceYRel(h/2),
 501                 (wxCoord)sa, (wxCoord)ea );
 502
 503         CalcBoundingBox( x ,y );
 504         CalcBoundingBox( x+w, y+h );
 505     }
 506 }
 507
 508 void wxPostScriptDC::DoDrawPoint (wxCoord x, wxCoord y)
 509 {
 510     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 511
 512     if (m_pen.GetStyle() == wxTRANSPARENT) return;
 513
 514     SetPen (m_pen);
 515
 516     PsPrintf( wxT("newpath\n")
 517               wxT("%d %d moveto\n")
 518               wxT("%d %d lineto\n")
 519               wxT("stroke\n"),
 520             LogicalToDeviceX(x),   LogicalToDeviceY(y),
 521             LogicalToDeviceX(x+1), LogicalToDeviceY(y) );
 522
 523     CalcBoundingBox( x, y );
 524 }
 525
 526 void wxPostScriptDC::DoDrawPolygon (int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
 527 {
 528     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 529
 530     if (n <= 0) return;
 531
 532     if (m_brush.GetStyle () != wxTRANSPARENT)
 533     {
 534         SetBrush( m_brush );
 535
 536         PsPrint( "newpath\n" );
 537
 538         wxCoord xx = LogicalToDeviceX(points[0].x + xoffset);
 539         wxCoord yy = LogicalToDeviceY(points[0].y + yoffset);
 540
 541         PsPrintf( wxT("%d %d moveto\n"), xx, yy );
 542
 543         CalcBoundingBox( points[0].x + xoffset, points[0].y + yoffset );
 544
 545         for (int i = 1; i < n; i++)
 546         {
 547             xx = LogicalToDeviceX(points[i].x + xoffset);
 548             yy = LogicalToDeviceY(points[i].y + yoffset);
 549
 550             PsPrintf( wxT("%d %d lineto\n"), xx, yy );
 551
 552             CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset);
 553         }
 554
 555         PsPrint( (fillStyle == wxODDEVEN_RULE ? "eofill\n" : "fill\n") );
 556     }
 557
 558     if (m_pen.GetStyle () != wxTRANSPARENT)
 559     {
 560         SetPen( m_pen );
 561
 562         PsPrint( "newpath\n" );
 563
 564         wxCoord xx = LogicalToDeviceX(points[0].x + xoffset);
 565         wxCoord yy = LogicalToDeviceY(points[0].y + yoffset);
 566
 567         PsPrintf( wxT("%d %d moveto\n"), xx, yy );
 568
 569         CalcBoundingBox( points[0].x + xoffset, points[0].y + yoffset );
 570
 571         for (int i = 1; i < n; i++)
 572         {
 573             xx = LogicalToDeviceX(points[i].x + xoffset);
 574             yy = LogicalToDeviceY(points[i].y + yoffset);
 575
 576             PsPrintf( wxT("%d %d lineto\n"), xx, yy );
 577
 578             CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset);
 579         }
 580
 581         PsPrint( "closepath\n" );
 582         PsPrint( "stroke\n" );
 583     }
 584 }
 585
 586 void wxPostScriptDC::DoDrawPolyPolygon (int n, int count[], wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
 587 {
 588     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 589
 590     if (n <= 0) return;
 591
 592     if (m_brush.GetStyle () != wxTRANSPARENT)
 593     {
 594         SetBrush( m_brush );
 595
 596         PsPrint( "newpath\n" );
 597
 598         int ofs = 0;
 599         for (int i = 0; i < n; ofs += count[i++])
 600         {
 601             wxCoord xx = LogicalToDeviceX(points[ofs].x + xoffset);
 602             wxCoord yy = LogicalToDeviceY(points[ofs].y + yoffset);
 603
 604             PsPrintf( wxT("%d %d moveto\n"), xx, yy );
 605
 606             CalcBoundingBox( points[ofs].x + xoffset, points[ofs].y + yoffset );
 607
 608             for (int j = 1; j < count[i]; j++)
 609             {
 610                 xx = LogicalToDeviceX(points[ofs+j].x + xoffset);
 611                 yy = LogicalToDeviceY(points[ofs+j].y + yoffset);
 612
 613                 PsPrintf( wxT("%d %d lineto\n"), xx, yy );
 614
 615                 CalcBoundingBox( points[ofs+j].x + xoffset, points[ofs+j].y + yoffset);
 616             }
 617         }
 618         PsPrint( (fillStyle == wxODDEVEN_RULE ? "eofill\n" : "fill\n") );
 619     }
 620
 621     if (m_pen.GetStyle () != wxTRANSPARENT)
 622     {
 623         SetPen( m_pen );
 624
 625         PsPrint( "newpath\n" );
 626
 627         int ofs = 0;
 628         for (int i = 0; i < n; ofs += count[i++])
 629         {
 630             wxCoord xx = LogicalToDeviceX(points[ofs].x + xoffset);
 631             wxCoord yy = LogicalToDeviceY(points[ofs].y + yoffset);
 632
 633             PsPrintf( wxT("%d %d moveto\n"), xx, yy );
 634
 635             CalcBoundingBox( points[ofs].x + xoffset, points[ofs].y + yoffset );
 636
 637             for (int j = 1; j < count[i]; j++)
 638             {
 639                 xx = LogicalToDeviceX(points[ofs+j].x + xoffset);
 640                 yy = LogicalToDeviceY(points[ofs+j].y + yoffset);
 641
 642                 PsPrintf( wxT("%d %d lineto\n"), xx, yy );
 643
 644                 CalcBoundingBox( points[ofs+j].x + xoffset, points[ofs+j].y + yoffset);
 645             }
 646         }
 647         PsPrint( "closepath\n" );
 648         PsPrint( "stroke\n" );
 649     }
 650 }
 651
 652 void wxPostScriptDC::DoDrawLines (int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
 653 {
 654     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 655
 656     if (m_pen.GetStyle() == wxTRANSPARENT) return;
 657
 658     if (n <= 0) return;
 659
 660     SetPen (m_pen);
 661
 662     int i;
 663     for ( i =0; i<n ; i++ )
 664     {
 665         CalcBoundingBox( LogicalToDeviceX(points[i].x+xoffset), LogicalToDeviceY(points[i].y+yoffset));
 666     }
 667
 668     PsPrintf( wxT("newpath\n")
 669               wxT("%d %d moveto\n"),
 670               LogicalToDeviceX(points[0].x+xoffset),
 671               LogicalToDeviceY(points[0].y+yoffset) );
 672
 673     for (i = 1; i < n; i++)
 674     {
 675         PsPrintf( wxT("%d %d lineto\n"),
 676                   LogicalToDeviceX(points[i].x+xoffset),
 677                   LogicalToDeviceY(points[i].y+yoffset) );
 678     }
 679
 680     PsPrint( "stroke\n" );
 681 }
 682
 683 void wxPostScriptDC::DoDrawRectangle (wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 684 {
 685     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 686
 687     if (m_brush.GetStyle () != wxTRANSPARENT)
 688     {
 689         SetBrush( m_brush );
 690
 691         PsPrintf( wxT("newpath\n")
 692                   wxT("%d %d moveto\n")
 693                   wxT("%d %d lineto\n")
 694                   wxT("%d %d lineto\n")
 695                   wxT("%d %d lineto\n")
 696                   wxT("closepath\n")
 697                   wxT("fill\n"),
 698                 LogicalToDeviceX(x),         LogicalToDeviceY(y),
 699                 LogicalToDeviceX(x + width), LogicalToDeviceY(y),
 700                 LogicalToDeviceX(x + width), LogicalToDeviceY(y + height),
 701                 LogicalToDeviceX(x),         LogicalToDeviceY(y + height) );
 702
 703         CalcBoundingBox( x, y );
 704         CalcBoundingBox( x + width, y + height );
 705     }
 706
 707     if (m_pen.GetStyle () != wxTRANSPARENT)
 708     {
 709         SetPen (m_pen);
 710
 711         PsPrintf( wxT("newpath\n")
 712                   wxT("%d %d moveto\n")
 713                   wxT("%d %d lineto\n")
 714                   wxT("%d %d lineto\n")
 715                   wxT("%d %d lineto\n")
 716                   wxT("closepath\n")
 717                   wxT("stroke\n"),
 718                 LogicalToDeviceX(x),         LogicalToDeviceY(y),
 719                 LogicalToDeviceX(x + width), LogicalToDeviceY(y),
 720                 LogicalToDeviceX(x + width), LogicalToDeviceY(y + height),
 721                 LogicalToDeviceX(x),         LogicalToDeviceY(y + height) );
 722
 723         CalcBoundingBox( x, y );
 724         CalcBoundingBox( x + width, y + height );
 725     }
 726 }
 727
 728 void wxPostScriptDC::DoDrawRoundedRectangle (wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
 729 {
 730     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 731
 732     if (radius < 0.0)
 733     {
 734         // Now, a negative radius is interpreted to mean
 735         // 'the proportion of the smallest X or Y dimension'
 736         double smallest = width < height ? width : height;
 737         radius =  (-radius * smallest);
 738     }
 739
 740     wxCoord rad = (wxCoord) radius;
 741
 742     if (m_brush.GetStyle () != wxTRANSPARENT)
 743     {
 744         SetBrush( m_brush );
 745
 746         /* Draw rectangle anticlockwise */
 747         PsPrintf( wxT("newpath\n")
 748                   wxT("%d %d %d 90 180 arc\n")
 749                   wxT("%d %d lineto\n")
 750                   wxT("%d %d %d 180 270 arc\n")
 751                   wxT("%d %d lineto\n")
 752                   wxT("%d %d %d 270 0 arc\n")
 753                   wxT("%d %d lineto\n")
 754                   wxT("%d %d %d 0 90 arc\n")
 755                   wxT("%d %d lineto\n")
 756                   wxT("closepath\n")
 757                   wxT("fill\n"),
 758                 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
 759                 LogicalToDeviceX(x), LogicalToDeviceY(y + height - rad),
 760                 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
 761                 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height),
 762                 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
 763                 LogicalToDeviceX(x + width), LogicalToDeviceY(y + rad),
 764                 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
 765                 LogicalToDeviceX(x + rad), LogicalToDeviceY(y) );
 766
 767         CalcBoundingBox( x, y );
 768         CalcBoundingBox( x + width, y + height );
 769     }
 770
 771     if (m_pen.GetStyle () != wxTRANSPARENT)
 772     {
 773         SetPen (m_pen);
 774
 775         /* Draw rectangle anticlockwise */
 776         PsPrintf( wxT("newpath\n")
 777                   wxT("%d %d %d 90 180 arc\n")
 778                   wxT("%d %d lineto\n")
 779                   wxT("%d %d %d 180 270 arc\n")
 780                   wxT("%d %d lineto\n")
 781                   wxT("%d %d %d 270 0 arc\n")
 782                   wxT("%d %d lineto\n")
 783                   wxT("%d %d %d 0 90 arc\n")
 784                   wxT("%d %d lineto\n")
 785                   wxT("closepath\n")
 786                   wxT("stroke\n"),
 787                 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
 788                 LogicalToDeviceX(x), LogicalToDeviceY(y + height - rad),
 789                 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
 790                 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height),
 791                 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
 792                 LogicalToDeviceX(x + width), LogicalToDeviceY(y + rad),
 793                 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
 794                 LogicalToDeviceX(x + rad), LogicalToDeviceY(y) );
 795
 796         CalcBoundingBox( x, y );
 797         CalcBoundingBox( x + width, y + height );
 798     }
 799 }
 800
 801 void wxPostScriptDC::DoDrawEllipse (wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 802 {
 803     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 804
 805     if (m_brush.GetStyle () != wxTRANSPARENT)
 806     {
 807         SetBrush (m_brush);
 808
 809         PsPrintf( wxT("newpath\n")
 810                   wxT("%d %d %d %d 0 360 ellipse\n")
 811                   wxT("fill\n"),
 812                 LogicalToDeviceX(x + width / 2), LogicalToDeviceY(y + height / 2),
 813                 LogicalToDeviceXRel(width / 2), LogicalToDeviceYRel(height / 2) );
 814
 815         CalcBoundingBox( x - width, y - height );
 816         CalcBoundingBox( x + width, y + height );
 817     }
 818
 819     if (m_pen.GetStyle () != wxTRANSPARENT)
 820     {
 821         SetPen (m_pen);
 822
 823         PsPrintf( wxT("newpath\n")
 824                   wxT("%d %d %d %d 0 360 ellipse\n")
 825                   wxT("stroke\n"),
 826                 LogicalToDeviceX(x + width / 2), LogicalToDeviceY(y + height / 2),
 827                 LogicalToDeviceXRel(width / 2), LogicalToDeviceYRel(height / 2) );
 828
 829         CalcBoundingBox( x - width, y - height );
 830         CalcBoundingBox( x + width, y + height );
 831     }
 832 }
 833
 834 void wxPostScriptDC::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
 835 {
 836     DrawBitmap( icon, x, y, true );
 837 }
 838
 839 /* this has to be char, not wxChar */
 840 static char hexArray[] = "0123456789ABCDEF";
 841
 842 void wxPostScriptDC::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool WXUNUSED(useMask) )
 843 {
 844     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 845
 846     if (!bitmap.Ok()) return;
 847
 848     wxImage image = bitmap.ConvertToImage();
 849
 850     if (!image.Ok()) return;
 851
 852     wxCoord w = image.GetWidth();
 853     wxCoord h = image.GetHeight();
 854
 855     wxCoord ww = LogicalToDeviceXRel(image.GetWidth());
 856     wxCoord hh = LogicalToDeviceYRel(image.GetHeight());
 857
 858     wxCoord xx = LogicalToDeviceX(x);
 859     wxCoord yy = LogicalToDeviceY(y + bitmap.GetHeight());
 860
 861     PsPrintf( wxT("/origstate save def\n")
 862               wxT("20 dict begin\n")
 863               wxT("/pix %d string def\n")
 864               wxT("/grays %d string def\n")
 865               wxT("/npixels 0 def\n")
 866               wxT("/rgbindx 0 def\n")
 867               wxT("%d %d translate\n")
 868               wxT("%d %d scale\n")
 869               wxT("%d %d 8\n")
 870               wxT("[%d 0 0 %d 0 %d]\n")
 871               wxT("{currentfile pix readhexstring pop}\n")
 872               wxT("false 3 colorimage\n"),
 873             w, w, xx, yy, ww, hh, w, h, w, -h, h );
 874
 875     unsigned char* data = image.GetData();
 876
 877     /* buffer = line = width*rgb(3)*hexa(2)+'\n'(1)+null(1) */
 878     char* buffer = new char[ w*6+2 ];
 879     int firstDigit, secondDigit;
 880
 881     //rows
 882     for (int j = 0; j < h; j++)
 883     {
 884         char* bufferindex = buffer;
 885
 886         //cols
 887         for (int i = 0; i < w*3; i++)
 888         {
 889             firstDigit = (int)(*data/16.0);
 890             secondDigit = (int)(*data - (firstDigit*16.0));
 891             *(bufferindex++) = hexArray[firstDigit];
 892             *(bufferindex++) = hexArray[secondDigit];
 893
 894             data++;
 895         }
 896         *(bufferindex++) = '\n';
 897         *bufferindex = 0;
 898         PsPrint( buffer );
 899     }
 900
 901     PsPrint( "end\n" );
 902     PsPrint( "origstate restore\n" );
 903 }
 904
 905 void wxPostScriptDC::SetFont( const wxFont& font )
 906 {
 907     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 908
 909     if (!font.Ok())  return;
 910
 911     m_font = font;
 912
 913     int Style = m_font.GetStyle();
 914     int Weight = m_font.GetWeight();
 915
 916     const char *name;
 917     switch (m_font.GetFamily())
 918     {
 919         case wxTELETYPE:
 920         case wxMODERN:
 921         {
 922             if (Style == wxITALIC)
 923             {
 924                 if (Weight == wxBOLD)
 925                     name = "/Courier-BoldOblique";
 926                 else
 927                     name = "/Courier-Oblique";
 928             }
 929             else
 930             {
 931                 if (Weight == wxBOLD)
 932                     name = "/Courier-Bold";
 933                 else
 934                     name = "/Courier";
 935             }
 936             break;
 937         }
 938         case wxROMAN:
 939         {
 940             if (Style == wxITALIC)
 941             {
 942                 if (Weight == wxBOLD)
 943                     name = "/Times-BoldItalic";
 944                 else
 945                     name = "/Times-Italic";
 946             }
 947             else
 948             {
 949                 if (Weight == wxBOLD)
 950                     name = "/Times-Bold";
 951                 else
 952                     name = "/Times-Roman";
 953             }
 954             break;
 955         }
 956         case wxSCRIPT:
 957         {
 958             name = "/ZapfChancery-MediumItalic";
 959             break;
 960         }
 961         case wxSWISS:
 962         default:
 963         {
 964             if (Style == wxITALIC)
 965             {
 966                 if (Weight == wxBOLD)
 967                     name = "/Helvetica-BoldOblique";
 968                 else
 969                     name = "/Helvetica-Oblique";
 970             }
 971             else
 972             {
 973                 if (Weight == wxBOLD)
 974                     name = "/Helvetica-Bold";
 975                 else
 976                     name = "/Helvetica";
 977             }
 978             break;
 979         }
 980     }
 981
 982     // We may legitimately call SetFont before BeginDoc
 983     if (!m_pstream)
 984         return;
 985
 986     PsPrint( name );
 987     PsPrint( " reencodeISO def\n" );
 988     PsPrint( name );
 989     PsPrint( " findfont\n" );
 990
 991     char buffer[100];
 992     sprintf( buffer, "%f scalefont setfont\n", LogicalToDeviceYRel(m_font.GetPointSize() * 1000) / 1000.0F);
 993     // this is a hack - we must scale font size (in pts) according to m_scaleY but
 994     // LogicalToDeviceYRel works with wxCoord type (int or longint). Se we first convert font size
 995     // to 1/1000th of pt and then back.
 996     for (int i = 0; i < 100; i++)
 997         if (buffer[i] == ',') buffer[i] = '.';
 998     PsPrint( buffer );
 999 }
1000
1001 void wxPostScriptDC::SetPen( const wxPen& pen )
1002 {
1003     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1004
1005     if (!pen.Ok()) return;
1006
1007     int oldStyle = m_pen.GetStyle();
1008
1009     m_pen = pen;
1010
1011     char buffer[100];
1012     sprintf( buffer, "%f setlinewidth\n", LogicalToDeviceXRel(1000 * m_pen.GetWidth()) / 1000.0f );
1013     for (int i = 0; i < 100; i++)
1014         if (buffer[i] == ',') buffer[i] = '.';
1015     PsPrint( buffer );
1016
1017 /*
1018      Line style - WRONG: 2nd arg is OFFSET
1019
1020      Here, I'm afraid you do not conceive meaning of parameters of 'setdash'
1021      operator correctly. You should look-up this in the Red Book: the 2nd parame-
1022      ter is not number of values in the array of the first one, but an offset
1023      into this description of the pattern. I mean a real *offset* not index
1024      into array. I.e. If the command is [3 4] 1 setdash   is used, then there
1025      will be first black line *2* units wxCoord, then space 4 units, then the
1026      pattern of *3* units black, 4 units space will be repeated.
1027 */
1028
1029     static const char *dotted = "[2 5] 2";
1030     static const char *short_dashed = "[4 4] 2";
1031     static const char *wxCoord_dashed = "[4 8] 2";
1032     static const char *dotted_dashed = "[6 6 2 6] 4";
1033
1034     const char *psdash;
1035
1036     switch (m_pen.GetStyle())
1037     {
1038         case wxDOT:           psdash = dotted;         break;
1039         case wxSHORT_DASH:    psdash = short_dashed;   break;
1040         case wxLONG_DASH:     psdash = wxCoord_dashed; break;
1041         case wxDOT_DASH:      psdash = dotted_dashed;  break;
1042         case wxSOLID:
1043         case wxTRANSPARENT:
1044         default:              psdash = "[] 0";         break;
1045     }
1046
1047     if ( (oldStyle != m_pen.GetStyle()) )
1048     {
1049         PsPrint( psdash );
1050         PsPrint( " setdash\n" );
1051     }
1052
1053     // Line colour
1054     unsigned char red = m_pen.GetColour().Red();
1055     unsigned char blue = m_pen.GetColour().Blue();
1056     unsigned char green = m_pen.GetColour().Green();
1057
1058     if (!m_colour)
1059     {
1060         // Anything not white is black
1061         if (! (red == (unsigned char) 255 &&
1062                blue == (unsigned char) 255 &&
1063                green == (unsigned char) 255) )
1064         {
1065             red = (unsigned char) 0;
1066             green = (unsigned char) 0;
1067             blue = (unsigned char) 0;
1068         }
1069         // setgray here ?
1070     }
1071
1072     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1073     {
1074         double redPS = (double)(red) / 255.0;
1075         double bluePS = (double)(blue) / 255.0;
1076         double greenPS = (double)(green) / 255.0;
1077
1078         sprintf( buffer,
1079             "%.8f %.8f %.8f setrgbcolor\n",
1080             redPS, greenPS, bluePS );
1081         for (int i = 0; i < 100; i++)
1082             if (buffer[i] == ',') buffer[i] = '.';
1083
1084         PsPrint( buffer );
1085
1086         m_currentRed = red;
1087         m_currentBlue = blue;
1088         m_currentGreen = green;
1089     }
1090 }
1091
1092 void wxPostScriptDC::SetBrush( const wxBrush& brush )
1093 {
1094     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1095
1096     if (!brush.Ok()) return;
1097
1098     m_brush = brush;
1099
1100     // Brush colour
1101     unsigned char red = m_brush.GetColour().Red();
1102     unsigned char blue = m_brush.GetColour().Blue();
1103     unsigned char green = m_brush.GetColour().Green();
1104
1105     if (!m_colour)
1106     {
1107         // Anything not white is black
1108         if (! (red == (unsigned char) 255 &&
1109                blue == (unsigned char) 255 &&
1110                green == (unsigned char) 255) )
1111         {
1112             red = (unsigned char) 0;
1113             green = (unsigned char) 0;
1114             blue = (unsigned char) 0;
1115         }
1116         // setgray here ?
1117     }
1118
1119     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1120     {
1121         double redPS = (double)(red) / 255.0;
1122         double bluePS = (double)(blue) / 255.0;
1123         double greenPS = (double)(green) / 255.0;
1124
1125         char buffer[100];
1126         sprintf( buffer,
1127                 "%.8f %.8f %.8f setrgbcolor\n",
1128                 redPS, greenPS, bluePS );
1129         for (int i = 0; i < 100; i++)
1130             if (buffer[i] == ',') buffer[i] = '.';
1131
1132         PsPrint( buffer );
1133
1134         m_currentRed = red;
1135         m_currentBlue = blue;
1136         m_currentGreen = green;
1137     }
1138 }
1139
1140 void wxPostScriptDC::DoDrawText( const wxString& text, wxCoord x, wxCoord y )
1141 {
1142     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1143
1144     if (m_textForegroundColour.Ok())
1145     {
1146         unsigned char red = m_textForegroundColour.Red();
1147         unsigned char blue = m_textForegroundColour.Blue();
1148         unsigned char green = m_textForegroundColour.Green();
1149
1150         if (!m_colour)
1151         {
1152             // Anything not white is black
1153             if (! (red == (unsigned char) 255 &&
1154                         blue == (unsigned char) 255 &&
1155                         green == (unsigned char) 255))
1156             {
1157                 red = (unsigned char) 0;
1158                 green = (unsigned char) 0;
1159                 blue = (unsigned char) 0;
1160             }
1161         }
1162
1163         // maybe setgray here ?
1164         if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1165         {
1166             double redPS = (double)(red) / 255.0;
1167             double bluePS = (double)(blue) / 255.0;
1168             double greenPS = (double)(green) / 255.0;
1169
1170             char buffer[100];
1171             sprintf( buffer,
1172                 "%.8f %.8f %.8f setrgbcolor\n",
1173                 redPS, greenPS, bluePS );
1174             for (size_t i = 0; i < strlen(buffer); i++)
1175                 if (buffer[i] == ',') buffer[i] = '.';
1176             PsPrint( buffer );
1177
1178             m_currentRed = red;
1179             m_currentBlue = blue;
1180             m_currentGreen = green;
1181         }
1182     }
1183
1184     wxCoord text_w, text_h, text_descent;
1185
1186     GetTextExtent(text, &text_w, &text_h, &text_descent);
1187
1188     // VZ: this seems to be unnecessary, so taking it out for now, if it
1189     //     doesn't create any problems, remove this comment entirely
1190     //SetFont( m_font );
1191
1192
1193     int size = m_font.GetPointSize();
1194
1195 //    wxCoord by = y + (wxCoord)floor( double(size) * 2.0 / 3.0 ); // approximate baseline
1196 //    commented by V. Slavik and replaced by accurate version
1197 //        - note that there is still rounding error in text_descent!
1198     wxCoord by = y + size - text_descent; // baseline
1199
1200     PsPrintf( wxT("%d %d moveto\n"), LogicalToDeviceX(x), LogicalToDeviceY(by) );
1201     PsPrint( "(" );
1202
1203     const wxWX2MBbuf textbuf = text.mb_str();
1204     size_t len = strlen(textbuf);
1205     size_t i;
1206     for (i = 0; i < len; i++)
1207     {
1208         int c = (unsigned char) textbuf[i];
1209         if (c == ')' || c == '(' || c == '\\')
1210         {
1211             /* Cope with special characters */
1212             PsPrint( "\\" );
1213             PsPrint(c);
1214         }
1215         else if ( c >= 128 )
1216         {
1217             /* Cope with character codes > 127 */
1218             PsPrintf( wxT("\\%o"), c);
1219         }
1220         else
1221         {
1222             PsPrint(c);
1223         }
1224     }
1225
1226     PsPrint( ") show\n" );
1227
1228     if (m_font.GetUnderlined())
1229     {
1230         wxCoord uy = (wxCoord)(y + size - m_underlinePosition);
1231         char buffer[100];
1232
1233         sprintf( buffer,
1234                 "gsave\n"
1235                 "%d %d moveto\n"
1236                 "%f setlinewidth\n"
1237                 "%d %d lineto\n"
1238                 "stroke\n"
1239                 "grestore\n",
1240                 LogicalToDeviceX(x), LogicalToDeviceY(uy),
1241                 m_underlineThickness,
1242                 LogicalToDeviceX(x + text_w), LogicalToDeviceY(uy) );
1243         for (i = 0; i < 100; i++)
1244             if (buffer[i] == ',') buffer[i] = '.';
1245         PsPrint( buffer );
1246     }
1247
1248     CalcBoundingBox( x, y );
1249     CalcBoundingBox( x + size * text.Length() * 2/3 , y );
1250 }
1251
1252 void wxPostScriptDC::DoDrawRotatedText( const wxString& text, wxCoord x, wxCoord y, double angle )
1253 {
1254     if ( wxIsNullDouble(angle) )
1255     {
1256         DoDrawText(text, x, y);
1257         return;
1258     }
1259
1260     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1261
1262     SetFont( m_font );
1263
1264     if (m_textForegroundColour.Ok())
1265     {
1266         unsigned char red = m_textForegroundColour.Red();
1267         unsigned char blue = m_textForegroundColour.Blue();
1268         unsigned char green = m_textForegroundColour.Green();
1269
1270         if (!m_colour)
1271         {
1272             // Anything not white is black
1273             if (! (red == (unsigned char) 255 &&
1274                    blue == (unsigned char) 255 &&
1275                    green == (unsigned char) 255))
1276             {
1277                 red = (unsigned char) 0;
1278                 green = (unsigned char) 0;
1279                 blue = (unsigned char) 0;
1280             }
1281         }
1282
1283         // maybe setgray here ?
1284         if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1285         {
1286             double redPS = (double)(red) / 255.0;
1287             double bluePS = (double)(blue) / 255.0;
1288             double greenPS = (double)(green) / 255.0;
1289
1290             char buffer[100];
1291             sprintf( buffer,
1292                 "%.8f %.8f %.8f setrgbcolor\n",
1293                 redPS, greenPS, bluePS );
1294             for (int i = 0; i < 100; i++)
1295                 if (buffer[i] == ',') buffer[i] = '.';
1296             PsPrint( buffer );
1297
1298             m_currentRed = red;
1299             m_currentBlue = blue;
1300             m_currentGreen = green;
1301         }
1302     }
1303
1304     int size = m_font.GetPointSize();
1305
1306     PsPrintf( wxT("%d %d moveto\n"),
1307             LogicalToDeviceX(x), LogicalToDeviceY(y));
1308
1309     char buffer[100];
1310     sprintf(buffer, "%.8f rotate\n", angle);
1311     size_t i;
1312     for (i = 0; i < 100; i++)
1313     {
1314         if (buffer[i] == ',') buffer[i] = '.';
1315     }
1316     PsPrint( buffer);
1317
1318     PsPrint( "(" );
1319     const wxWX2MBbuf textbuf = text.mb_str();
1320     size_t len = strlen(textbuf);
1321     for (i = 0; i < len; i++)
1322     {
1323         int c = (unsigned char) textbuf[i];
1324         if (c == ')' || c == '(' || c == '\\')
1325         {
1326             /* Cope with special characters */
1327             PsPrint( "\\" );
1328             PsPrint(c);
1329         }
1330         else if ( c >= 128 )
1331         {
1332             /* Cope with character codes > 127 */
1333             PsPrintf( wxT("\\%o"), c);
1334         }
1335         else
1336         {
1337             PsPrint(c);
1338         }
1339     }
1340
1341     PsPrint( ") show\n" );
1342
1343     sprintf( buffer, "%.8f rotate\n", -angle );
1344     for (i = 0; i < 100; i++)
1345     {
1346         if (buffer[i] == ',') buffer[i] = '.';
1347     }
1348     PsPrint( buffer );
1349
1350     if (m_font.GetUnderlined())
1351     {
1352         wxCoord uy = (wxCoord)(y + size - m_underlinePosition);
1353         wxCoord w, h;
1354         GetTextExtent(text, &w, &h);
1355
1356         sprintf( buffer,
1357                 "gsave\n"
1358                 "%d %d moveto\n"
1359                 "%f setlinewidth\n"
1360                 "%d %d lineto\n"
1361                 "stroke\n"
1362                 "grestore\n",
1363                 LogicalToDeviceX(x), LogicalToDeviceY(uy),
1364                 m_underlineThickness,
1365                 LogicalToDeviceX(x + w), LogicalToDeviceY(uy) );
1366         for (i = 0; i < 100; i++)
1367         {
1368             if (buffer[i] == ',') buffer[i] = '.';
1369         }
1370         PsPrint( buffer );
1371     }
1372
1373     CalcBoundingBox( x, y );
1374     CalcBoundingBox( x + size * text.Length() * 2/3 , y );
1375 }
1376
1377 void wxPostScriptDC::SetBackground (const wxBrush& brush)
1378 {
1379     m_backgroundBrush = brush;
1380 }
1381
1382 void wxPostScriptDC::SetLogicalFunction (int WXUNUSED(function))
1383 {
1384     wxFAIL_MSG( wxT("wxPostScriptDC::SetLogicalFunction not implemented.") );
1385 }
1386
1387 #if wxUSE_SPLINES
1388 void wxPostScriptDC::DoDrawSpline( wxList *points )
1389 {
1390     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1391
1392     SetPen( m_pen );
1393
1394     // a and b are not used
1395     //double a, b;
1396     double c, d, x1, y1, x2, y2, x3, y3;
1397     wxPoint *p, *q;
1398
1399     wxList::compatibility_iterator node = points->GetFirst();
1400     p = (wxPoint *)node->GetData();
1401     x1 = p->x;
1402     y1 = p->y;
1403
1404     node = node->GetNext();
1405     p = (wxPoint *)node->GetData();
1406     c = p->x;
1407     d = p->y;
1408     x3 =
1409          #if 0
1410          a =
1411          #endif
1412          (double)(x1 + c) / 2;
1413     y3 =
1414          #if 0
1415          b =
1416          #endif
1417          (double)(y1 + d) / 2;
1418
1419     PsPrintf( wxT("newpath\n")
1420               wxT("%d %d moveto\n")
1421               wxT("%d %d lineto\n"),
1422             LogicalToDeviceX((wxCoord)x1), LogicalToDeviceY((wxCoord)y1),
1423             LogicalToDeviceX((wxCoord)x3), LogicalToDeviceY((wxCoord)y3) );
1424
1425     CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1426     CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1427
1428     node = node->GetNext();
1429     while (node)
1430     {
1431         q = (wxPoint *)node->GetData();
1432
1433         x1 = x3;
1434         y1 = y3;
1435         x2 = c;
1436         y2 = d;
1437         c = q->x;
1438         d = q->y;
1439         x3 = (double)(x2 + c) / 2;
1440         y3 = (double)(y2 + d) / 2;
1441
1442         PsPrintf( wxT("%d %d %d %d %d %d DrawSplineSection\n"),
1443             LogicalToDeviceX((wxCoord)x1), LogicalToDeviceY((wxCoord)y1),
1444             LogicalToDeviceX((wxCoord)x2), LogicalToDeviceY((wxCoord)y2),
1445             LogicalToDeviceX((wxCoord)x3), LogicalToDeviceY((wxCoord)y3) );
1446
1447         CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1448         CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1449
1450         node = node->GetNext();
1451     }
1452
1453     /*
1454        At this point, (x2,y2) and (c,d) are the position of the
1455        next-to-last and last point respectively, in the point list
1456      */
1457
1458     PsPrintf( wxT("%d %d lineto\n")
1459               wxT("stroke\n"),
1460             LogicalToDeviceX((wxCoord)c), LogicalToDeviceY((wxCoord)d) );
1461 }
1462 #endif // wxUSE_SPLINES
1463
1464 wxCoord wxPostScriptDC::GetCharWidth() const
1465 {
1466     // Chris Breeze: reasonable approximation using wxMODERN/Courier
1467     return (wxCoord) (GetCharHeight() * 72.0 / 120.0);
1468 }
1469
1470
1471 void wxPostScriptDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
1472 {
1473     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1474
1475     m_signX = (xLeftRight ? 1 : -1);
1476     m_signY = (yBottomUp  ? 1 : -1);
1477
1478     ComputeScaleAndOrigin();
1479 }
1480
1481 void wxPostScriptDC::SetDeviceOrigin( wxCoord x, wxCoord y )
1482 {
1483     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1484
1485     int h = 0;
1486     int w = 0;
1487     GetSize( &w, &h );
1488
1489     wxDC::SetDeviceOrigin( x, h-y );
1490 }
1491
1492 void wxPostScriptDC::DoGetSize(int* width, int* height) const
1493 {
1494     wxPaperSize id = m_printData.GetPaperId();
1495
1496     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(id);
1497
1498     if (!paper) paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
1499
1500     int w = 595;
1501     int h = 842;
1502     if (paper)
1503     {
1504         w = paper->GetSizeDeviceUnits().x;
1505         h = paper->GetSizeDeviceUnits().y;
1506     }
1507
1508     if (m_printData.GetOrientation() == wxLANDSCAPE)
1509     {
1510         int tmp = w;
1511         w = h;
1512         h = tmp;
1513     }
1514
1515     if (width) *width = (int)(w * ms_PSScaleFactor);
1516     if (height) *height = (int)(h * ms_PSScaleFactor);
1517 }
1518
1519 void wxPostScriptDC::DoGetSizeMM(int *width, int *height) const
1520 {
1521     wxPaperSize id = m_printData.GetPaperId();
1522
1523     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(id);
1524
1525     if (!paper) paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
1526
1527     int w = 210;
1528     int h = 297;
1529     if (paper)
1530     {
1531         w = paper->GetWidth() / 10;
1532         h = paper->GetHeight() / 10;
1533     }
1534
1535     if (m_printData.GetOrientation() == wxLANDSCAPE)
1536     {
1537         int tmp = w;
1538         w = h;
1539         h = tmp;
1540     }
1541
1542     if (width) *width = w;
1543     if (height) *height = h;
1544 }
1545
1546 // Resolution in pixels per logical inch
1547 wxSize wxPostScriptDC::GetPPI(void) const
1548 {
1549     return wxSize((int)(72 * ms_PSScaleFactor),
1550                   (int)(72 * ms_PSScaleFactor));
1551 }
1552
1553
1554 bool wxPostScriptDC::StartDoc( const wxString& message )
1555 {
1556     wxCHECK_MSG( m_ok, false, wxT("invalid postscript dc") );
1557
1558     if (m_printData.GetPrintMode() != wxPRINT_MODE_STREAM )
1559     {
1560         if (m_printData.GetFilename() == wxEmptyString)
1561         {
1562             wxString filename = wxGetTempFileName( wxT("ps") );
1563             m_printData.SetFilename(filename);
1564         }
1565
1566         m_pstream = wxFopen( m_printData.GetFilename(), wxT("w+") );
1567
1568         if (!m_pstream)
1569         {
1570             wxLogError( _("Cannot open file for PostScript printing!"));
1571             m_ok = false;
1572             return false;
1573         }
1574     }
1575
1576     m_ok = true;
1577     m_title = message;
1578
1579     PsPrint( "%!PS-Adobe-2.0\n" );
1580     PsPrintf( wxT("%%%%Title: %s\n"), m_title.c_str() );
1581     PsPrint( "%%Creator: wxWidgets PostScript renderer\n" );
1582     PsPrintf( wxT("%%%%CreationDate: %s\n"), wxNow().c_str() );
1583     if (m_printData.GetOrientation() == wxLANDSCAPE)
1584         PsPrint( "%%Orientation: Landscape\n" );
1585     else
1586         PsPrint( "%%Orientation: Portrait\n" );
1587
1588     // PsPrintf( wxT("%%%%Pages: %d\n"), (wxPageNumber - 1) );
1589
1590     const wxChar *paper;
1591     switch (m_printData.GetPaperId())
1592     {
1593        case wxPAPER_LETTER: paper = wxT("Letter"); break;             // Letter: paper ""; 8 1/2 by 11 inches
1594        case wxPAPER_LEGAL: paper = wxT("Legal"); break;              // Legal, 8 1/2 by 14 inches
1595        case wxPAPER_A4: paper = wxT("A4"); break;          // A4 Sheet, 210 by 297 millimeters
1596        case wxPAPER_TABLOID: paper = wxT("Tabloid"); break;     // Tabloid, 11 by 17 inches
1597        case wxPAPER_LEDGER: paper = wxT("Ledger"); break;      // Ledger, 17 by 11 inches
1598        case wxPAPER_STATEMENT: paper = wxT("Statement"); break;   // Statement, 5 1/2 by 8 1/2 inches
1599        case wxPAPER_EXECUTIVE: paper = wxT("Executive"); break;   // Executive, 7 1/4 by 10 1/2 inches
1600        case wxPAPER_A3: paper = wxT("A3"); break;          // A3 sheet, 297 by 420 millimeters
1601        case wxPAPER_A5: paper = wxT("A5"); break;          // A5 sheet, 148 by 210 millimeters
1602        case wxPAPER_B4: paper = wxT("B4"); break;          // B4 sheet, 250 by 354 millimeters
1603        case wxPAPER_B5: paper = wxT("B5"); break;          // B5 sheet, 182-by-257-millimeter paper
1604        case wxPAPER_FOLIO: paper = wxT("Folio"); break;       // Folio, 8-1/2-by-13-inch paper
1605        case wxPAPER_QUARTO: paper = wxT("Quaro"); break;      // Quarto, 215-by-275-millimeter paper
1606        case wxPAPER_10X14: paper = wxT("10x14"); break;       // 10-by-14-inch sheet
1607        default: paper = wxT("A4");
1608     }
1609     PsPrintf( wxT("%%%%DocumentPaperSizes: %s\n"), paper );
1610     PsPrint( "%%EndComments\n\n" );
1611
1612     PsPrint( "%%BeginProlog\n" );
1613     PsPrint( wxPostScriptHeaderConicTo );
1614     PsPrint( wxPostScriptHeaderEllipse );
1615     PsPrint( wxPostScriptHeaderEllipticArc );
1616     PsPrint( wxPostScriptHeaderColourImage );
1617     PsPrint( wxPostScriptHeaderReencodeISO1 );
1618     PsPrint( wxPostScriptHeaderReencodeISO2 );
1619     if (wxPostScriptHeaderSpline)
1620         PsPrint( wxPostScriptHeaderSpline );
1621     PsPrint( "%%EndProlog\n" );
1622
1623     SetBrush( *wxBLACK_BRUSH );
1624     SetPen( *wxBLACK_PEN );
1625     SetBackground( *wxWHITE_BRUSH );
1626     SetTextForeground( *wxBLACK );
1627
1628     // set origin according to paper size
1629     SetDeviceOrigin( 0,0 );
1630
1631     wxPageNumber = 1;
1632     m_pageNumber = 1;
1633     return true;
1634 }
1635
1636 void wxPostScriptDC::EndDoc ()
1637 {
1638     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1639
1640     if (m_clipping)
1641     {
1642         m_clipping = false;
1643         PsPrint( "grestore\n" );
1644     }
1645
1646     if ( m_pstream ) {
1647         fclose( m_pstream );
1648         m_pstream = (FILE *) NULL;
1649     }
1650
1651 #if 0
1652     // THE FOLLOWING HAS BEEN CONTRIBUTED BY Andy Fyfe <andy@hyperparallel.com>
1653     wxCoord wx_printer_translate_x, wx_printer_translate_y;
1654     double wx_printer_scale_x, wx_printer_scale_y;
1655
1656     wx_printer_translate_x = (wxCoord)m_printData.GetPrinterTranslateX();
1657     wx_printer_translate_y = (wxCoord)m_printData.GetPrinterTranslateY();
1658
1659     wx_printer_scale_x = m_printData.GetPrinterScaleX();
1660     wx_printer_scale_y = m_printData.GetPrinterScaleY();
1661
1662     // Compute the bounding box.  Note that it is in the default user
1663     // coordinate system, thus we have to convert the values.
1664     wxCoord minX = (wxCoord) LogicalToDeviceX(m_minX);
1665     wxCoord minY = (wxCoord) LogicalToDeviceY(m_minY);
1666     wxCoord maxX = (wxCoord) LogicalToDeviceX(m_maxX);
1667     wxCoord maxY = (wxCoord) LogicalToDeviceY(m_maxY);
1668
1669     // LOG2DEV may have changed the minimum to maximum vice versa
1670     if ( minX > maxX ) { wxCoord tmp = minX; minX = maxX; maxX = tmp; }
1671     if ( minY > maxY ) { wxCoord tmp = minY; minY = maxY; maxY = tmp; }
1672
1673     // account for used scaling (boundingbox is before scaling in ps-file)
1674     double scale_x = m_printData.GetPrinterScaleX() / ms_PSScaleFactor;
1675     double scale_y = m_printData.GetPrinterScaleY() / ms_PSScaleFactor;
1676
1677     wxCoord llx, lly, urx, ury;
1678     llx = (wxCoord) ((minX+wx_printer_translate_x)*scale_x);
1679     lly = (wxCoord) ((minY+wx_printer_translate_y)*scale_y);
1680     urx = (wxCoord) ((maxX+wx_printer_translate_x)*scale_x);
1681     ury = (wxCoord) ((maxY+wx_printer_translate_y)*scale_y);
1682     // (end of bounding box computation)
1683
1684
1685     // If we're landscape, our sense of "x" and "y" is reversed.
1686     if (m_printData.GetOrientation() == wxLANDSCAPE)
1687     {
1688         wxCoord tmp;
1689         tmp = llx; llx = lly; lly = tmp;
1690         tmp = urx; urx = ury; ury = tmp;
1691
1692         // We need either the two lines that follow, or we need to subtract
1693         // min_x from real_translate_y, which is commented out below.
1694         llx = llx - (wxCoord)(m_minX*wx_printer_scale_y);
1695         urx = urx - (wxCoord)(m_minX*wx_printer_scale_y);
1696     }
1697
1698     // The Adobe specifications call for integers; we round as to make
1699     // the bounding larger.
1700     PsPrintf( wxT("%%%%BoundingBox: %d %d %d %d\n"),
1701             (wxCoord)floor((double)llx), (wxCoord)floor((double)lly),
1702             (wxCoord)ceil((double)urx), (wxCoord)ceil((double)ury) );
1703
1704     // To check the correctness of the bounding box, postscript commands
1705     // to draw a box corresponding to the bounding box are generated below.
1706     // But since we typically don't want to print such a box, the postscript
1707     // commands are generated within comments.  These lines appear before any
1708     // adjustment of scale, rotation, or translation, and hence are in the
1709     // default user coordinates.
1710     PsPrint( "% newpath\n" );
1711     PsPrintf( wxT("%% %d %d moveto\n"), llx, lly );
1712     PsPrintf( wxT("%% %d %d lineto\n"), urx, lly );
1713     PsPrintf( wxT("%% %d %d lineto\n"), urx, ury );
1714     PsPrintf( wxT("%% %d %d lineto closepath stroke\n"), llx, ury );
1715 #endif
1716
1717 #ifndef __WXMSW__
1718     wxPostScriptPrintNativeData *data =
1719         (wxPostScriptPrintNativeData *) m_printData.GetNativeData();
1720
1721     if (m_ok && (m_printData.GetPrintMode() == wxPRINT_MODE_PRINTER))
1722     {
1723         wxString command;
1724         command += data->GetPrinterCommand();
1725         command += wxT(" ");
1726         command += data->GetPrinterOptions();
1727         command += wxT(" ");
1728         command += m_printData.GetFilename();
1729
1730         wxExecute( command, true );
1731         wxRemoveFile( m_printData.GetFilename() );
1732     }
1733 #endif
1734 }
1735
1736 void wxPostScriptDC::StartPage()
1737 {
1738     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1739
1740     PsPrintf( wxT("%%%%Page: %d\n"), wxPageNumber++ );
1741
1742     //  What is this one supposed to do? RR.
1743 //  *m_pstream << "matrix currentmatrix\n";
1744
1745     // Added by Chris Breeze
1746
1747     // Each page starts with an "initgraphics" which resets the
1748     // transformation and so we need to reset the origin
1749     // (and rotate the page for landscape printing)
1750
1751     // Output scaling
1752     wxCoord translate_x, translate_y;
1753     double scale_x, scale_y;
1754
1755     wxPostScriptPrintNativeData *data =
1756         (wxPostScriptPrintNativeData *) m_printData.GetNativeData();
1757
1758     translate_x = (wxCoord)data->GetPrinterTranslateX();
1759     translate_y = (wxCoord)data->GetPrinterTranslateY();
1760
1761     scale_x = data->GetPrinterScaleX();
1762     scale_y = data->GetPrinterScaleY();
1763
1764     if (m_printData.GetOrientation() == wxLANDSCAPE)
1765     {
1766         int h;
1767         GetSize( (int*) NULL, &h );
1768         translate_y -= h;
1769         PsPrint( "90 rotate\n" );
1770         // I copied this one from a PostScript tutorial, but to no avail. RR.
1771         // PsPrint( "90 rotate llx neg ury nef translate\n" );
1772     }
1773
1774     char buffer[100];
1775     sprintf( buffer, "%.8f %.8f scale\n", scale_x / ms_PSScaleFactor,
1776             scale_y / ms_PSScaleFactor);
1777     for (int i = 0; i < 100; i++)
1778         if (buffer[i] == ',') buffer[i] = '.';
1779     PsPrint( buffer );
1780
1781     PsPrintf( wxT("%d %d translate\n"), translate_x, translate_y );
1782 }
1783
1784 void wxPostScriptDC::EndPage ()
1785 {
1786     wxCHECK_RET( m_ok , wxT("invalid postscript dc") );
1787
1788     PsPrint( "showpage\n" );
1789 }
1790
1791 bool wxPostScriptDC::DoBlit( wxCoord xdest, wxCoord ydest,
1792                            wxCoord fwidth, wxCoord fheight,
1793                            wxDC *source,
1794                            wxCoord xsrc, wxCoord ysrc,
1795                            int rop, bool WXUNUSED(useMask), wxCoord WXUNUSED(xsrcMask), wxCoord WXUNUSED(ysrcMask) )
1796 {
1797     wxCHECK_MSG( m_ok, false, wxT("invalid postscript dc") );
1798
1799     wxCHECK_MSG( source, false, wxT("invalid source dc") );
1800
1801     /* blit into a bitmap */
1802     wxBitmap bitmap( (int)fwidth, (int)fheight );
1803     wxMemoryDC memDC;
1804     memDC.SelectObject(bitmap);
1805     memDC.Blit(0, 0, fwidth, fheight, source, xsrc, ysrc, rop); /* TODO: Blit transparently? */
1806     memDC.SelectObject(wxNullBitmap);
1807
1808     /* draw bitmap. scaling and positioning is done there */
1809     DrawBitmap( bitmap, xdest, ydest );
1810
1811     return true;
1812 }
1813
1814 wxCoord wxPostScriptDC::GetCharHeight() const
1815 {
1816     if (m_font.Ok())
1817         return m_font.GetPointSize();
1818     else
1819         return 12;
1820 }
1821
1822 void wxPostScriptDC::DoGetTextExtent(const wxString& string,
1823                                      wxCoord *x, wxCoord *y,
1824                                      wxCoord *descent, wxCoord *externalLeading,
1825                                      wxFont *theFont ) const
1826 {
1827     wxFont *fontToUse = theFont;
1828
1829     if (!fontToUse) fontToUse = (wxFont*) &m_font;
1830
1831     wxCHECK_RET( fontToUse, wxT("GetTextExtent: no font defined") );
1832
1833     if (string.empty())
1834     {
1835         if (x) (*x) = 0;
1836         if (y) (*y) = 0;
1837         if (descent) (*descent) = 0;
1838         if (externalLeading) (*externalLeading) = 0;
1839         return;
1840     }
1841
1842    // GTK 2.0
1843
1844     const wxWX2MBbuf strbuf = string.mb_str();
1845
1846 #if !wxUSE_AFM_FOR_POSTSCRIPT
1847     /* Provide a VERY rough estimate (avoid using it).
1848      * Produces accurate results for mono-spaced font
1849      * such as Courier (aka wxMODERN) */
1850
1851     int height = 12;
1852     if (fontToUse)
1853     {
1854         height = fontToUse->GetPointSize();
1855     }
1856     if ( x )
1857         *x = strlen (strbuf) * height * 72 / 120;
1858     if ( y )
1859         *y = (wxCoord) (height * 1.32);    /* allow for descender */
1860     if (descent) *descent = 0;
1861     if (externalLeading) *externalLeading = 0;
1862 #else
1863
1864     /* method for calculating string widths in postscript:
1865     /  read in the AFM (adobe font metrics) file for the
1866     /  actual font, parse it and extract the character widths
1867     /  and also the descender. this may be improved, but for now
1868     /  it works well. the AFM file is only read in if the
1869     /  font is changed. this may be chached in the future.
1870     /  calls to GetTextExtent with the font unchanged are rather
1871     /  efficient!!!
1872     /
1873     /  for each font and style used there is an AFM file necessary.
1874     /  currently i have only files for the roman font family.
1875     /  I try to get files for the other ones!
1876     /
1877     /  CAVE: the size of the string is currently always calculated
1878     /        in 'points' (1/72 of an inch). this should later on be
1879     /        changed to depend on the mapping mode.
1880     /  CAVE: the path to the AFM files must be set before calling this
1881     /        function. this is usually done by a call like the following:
1882     /        wxSetAFMPath("d:\\wxw161\\afm\\");
1883     /
1884     /  example:
1885     /
1886     /    wxPostScriptDC dc(NULL, true);
1887     /    if (dc.Ok()){
1888     /      wxSetAFMPath("d:\\wxw161\\afm\\");
1889     /      dc.StartDoc("Test");
1890     /      dc.StartPage();
1891     /      wxCoord w,h;
1892     /      dc.SetFont(new wxFont(10, wxROMAN, wxNORMAL, wxNORMAL));
1893     /      dc.GetTextExtent("Hallo",&w,&h);
1894     /      dc.EndPage();
1895     /      dc.EndDoc();
1896     /    }
1897     /
1898     /  by steve (stefan.hammes@urz.uni-heidelberg.de)
1899     /  created: 10.09.94
1900     /  updated: 14.05.95 */
1901
1902     /* these static vars are for storing the state between calls */
1903     static int lastFamily= INT_MIN;
1904     static int lastSize= INT_MIN;
1905     static int lastStyle= INT_MIN;
1906     static int lastWeight= INT_MIN;
1907     static int lastDescender = INT_MIN;
1908     static int lastWidths[256]; /* widths of the characters */
1909
1910     double UnderlinePosition = 0.0;
1911     double UnderlineThickness = 0.0;
1912
1913     // Get actual parameters
1914     int Family = fontToUse->GetFamily();
1915     int Size =   fontToUse->GetPointSize();
1916     int Style =  fontToUse->GetStyle();
1917     int Weight = fontToUse->GetWeight();
1918
1919     // If we have another font, read the font-metrics
1920     if (Family!=lastFamily || Size!=lastSize || Style!=lastStyle || Weight!=lastWeight)
1921     {
1922         // Store actual values
1923         lastFamily = Family;
1924         lastSize =   Size;
1925         lastStyle =  Style;
1926         lastWeight = Weight;
1927
1928         const wxChar *name;
1929
1930         switch (Family)
1931         {
1932             case wxMODERN:
1933             case wxTELETYPE:
1934             {
1935                 if ((Style == wxITALIC) && (Weight == wxBOLD)) name = wxT("CourBoO.afm");
1936                 else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = wxT("CourBo.afm");
1937                 else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = wxT("CourO.afm");
1938                 else name = wxT("Cour.afm");
1939                 break;
1940             }
1941             case wxROMAN:
1942             {
1943                 if ((Style == wxITALIC) && (Weight == wxBOLD)) name = wxT("TimesBoO.afm");
1944                 else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = wxT("TimesBo.afm");
1945                 else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = wxT("TimesO.afm");
1946                 else name = wxT("TimesRo.afm");
1947                 break;
1948             }
1949             case wxSCRIPT:
1950             {
1951                 name = wxT("Zapf.afm");
1952                 break;
1953             }
1954             case wxSWISS:
1955             default:
1956             {
1957                 if ((Style == wxITALIC) && (Weight == wxBOLD)) name = wxT("HelvBoO.afm");
1958                 else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = wxT("HelvBo.afm");
1959                 else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = wxT("HelvO.afm");
1960                 else name = wxT("Helv.afm");
1961                 break;
1962             }
1963         }
1964
1965         FILE *afmFile = NULL;
1966
1967         // Get the directory of the AFM files
1968         wxString afmName;
1969
1970         // VZ: I don't know if the cast always works under Unix but it clearly
1971         //     never does under Windows where the pointer is
1972         //     wxWindowsPrintNativeData and so calling GetFontMetricPath() on
1973         //     it just crashes
1974 #ifndef __WIN32__
1975         wxPostScriptPrintNativeData *data =
1976             wxDynamicCast(m_printData.GetNativeData(), wxPostScriptPrintNativeData);
1977
1978         if (data && !data->GetFontMetricPath().empty())
1979         {
1980             afmName = data->GetFontMetricPath();
1981             afmName << wxFILE_SEP_PATH << name;
1982         }
1983 #endif // __WIN32__
1984
1985         if ( !afmName.empty() )
1986             afmFile = wxFopen(afmName, wxT("r"));
1987
1988         if ( !afmFile )
1989         {
1990 #if defined(__UNIX__) && !defined(__VMS__)
1991            afmName = wxGetDataDir();
1992 #else // !__UNIX__
1993            afmName = wxStandardPaths::Get().GetDataDir();
1994 #endif // __UNIX__/!__UNIX__
1995
1996            afmName <<  wxFILE_SEP_PATH
1997 #if defined(__LINUX__) || defined(__FREEBSD__)
1998                    << wxT("gs_afm") << wxFILE_SEP_PATH
1999 #else
2000                    << wxT("afm") << wxFILE_SEP_PATH
2001 #endif
2002                    << name;
2003            afmFile = wxFopen(afmName,wxT("r"));
2004         }
2005
2006         /* 2. open and process the file
2007            /  a short explanation of the AFM format:
2008            /  we have for each character a line, which gives its size
2009            /  e.g.:
2010            /
2011            /    C 63 ; WX 444 ; N question ; B 49 -14 395 676 ;
2012            /
2013            /  that means, we have a character with ascii code 63, and width
2014            /  (444/1000 * fontSize) points.
2015            /  the other data is ignored for now!
2016            /
2017            /  when the font has changed, we read in the right AFM file and store the
2018            /  character widths in an array, which is processed below (see point 3.). */
2019         if (afmFile==NULL)
2020         {
2021             wxLogDebug( wxT("GetTextExtent: can't open AFM file '%s'"), afmName.c_str() );
2022             wxLogDebug( wxT("               using approximate values"));
2023             for (int i=0; i<256; i++) lastWidths[i] = 500; /* an approximate value */
2024             lastDescender = -150; /* dito. */
2025         }
2026         else
2027         {
2028             /* init the widths array */
2029             for(int i=0; i<256; i++) lastWidths[i] = INT_MIN;
2030             /* some variables for holding parts of a line */
2031             char cString[10], semiString[10], WXString[10];
2032             char descString[20];
2033             char upString[30], utString[30];
2034             char encString[50];
2035             char line[256];
2036             int ascii,cWidth;
2037             /* read in the file and parse it */
2038             while(fgets(line,sizeof(line),afmFile)!=NULL)
2039             {
2040                 /* A.) check for descender definition */
2041                 if (strncmp(line,"Descender",9)==0)
2042                 {
2043                     if ((sscanf(line,"%s%d",descString,&lastDescender)!=2) ||
2044                             (strcmp(descString,"Descender")!=0))
2045                     {
2046                         wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad descender)"), afmName.c_str(),line );
2047                     }
2048                 }
2049                 /* JC 1.) check for UnderlinePosition */
2050                 else if(strncmp(line,"UnderlinePosition",17)==0)
2051                 {
2052                     if ((sscanf(line,"%s%lf",upString,&UnderlinePosition)!=2) ||
2053                             (strcmp(upString,"UnderlinePosition")!=0))
2054                     {
2055                         wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad UnderlinePosition)"), afmName.c_str(), line );
2056                     }
2057                 }
2058                 /* JC 2.) check for UnderlineThickness */
2059                 else if(strncmp(line,"UnderlineThickness",18)==0)
2060                 {
2061                     if ((sscanf(line,"%s%lf",utString,&UnderlineThickness)!=2) ||
2062                             (strcmp(utString,"UnderlineThickness")!=0))
2063                     {
2064                         wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad UnderlineThickness)"), afmName.c_str(), line );
2065                     }
2066                 }
2067                 /* JC 3.) check for EncodingScheme */
2068                 else if(strncmp(line,"EncodingScheme",14)==0)
2069                 {
2070                     if ((sscanf(line,"%s%s",utString,encString)!=2) ||
2071                             (strcmp(utString,"EncodingScheme")!=0))
2072                     {
2073                         wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad EncodingScheme)"), afmName.c_str(), line );
2074                     }
2075                     else if (strncmp(encString, "AdobeStandardEncoding", 21))
2076                     {
2077                         wxLogDebug( wxT("AFM-file '%s': line '%s' has error (unsupported EncodingScheme %s)"),
2078                                 afmName.c_str(),line, encString);
2079                     }
2080                 }
2081                 /* B.) check for char-width */
2082                 else if(strncmp(line,"C ",2)==0)
2083                 {
2084                     if (sscanf(line,"%s%d%s%s%d",cString,&ascii,semiString,WXString,&cWidth)!=5)
2085                     {
2086                         wxLogDebug(wxT("AFM-file '%s': line '%s' has an error (bad character width)"),afmName.c_str(),line);
2087                     }
2088                     if(strcmp(cString,"C")!=0 || strcmp(semiString,";")!=0 || strcmp(WXString,"WX")!=0)
2089                     {
2090                         wxLogDebug(wxT("AFM-file '%s': line '%s' has a format error"),afmName.c_str(),line);
2091                     }
2092                     /* printf("            char '%c'=%d has width '%d'\n",ascii,ascii,cWidth); */
2093                     if (ascii>=0 && ascii<256)
2094                     {
2095                         lastWidths[ascii] = cWidth; /* store width */
2096                     }
2097                     else
2098                     {
2099                         /* MATTHEW: this happens a lot; don't print an error */
2100                         /* wxLogDebug("AFM-file '%s': ASCII value %d out of range",afmName.c_str(),ascii); */
2101                     }
2102                 }
2103                 /* C.) ignore other entries. */
2104             }
2105             fclose(afmFile);
2106         }
2107         /* hack to compute correct values for german 'Umlaute'
2108            /  the correct way would be to map the character names
2109            /  like 'adieresis' to corresp. positions of ISOEnc and read
2110            /  these values from AFM files, too. Maybe later ... */
2111
2112         // NB: casts to int are needed to suppress gcc 3.3 warnings
2113         lastWidths[196] = lastWidths[(int)'A'];  // Ä
2114         lastWidths[228] = lastWidths[(int)'a'];  // ä
2115         lastWidths[214] = lastWidths[(int)'O'];  // Ö
2116         lastWidths[246] = lastWidths[(int)'o'];  // ö
2117         lastWidths[220] = lastWidths[(int)'U'];  // Ü
2118         lastWidths[252] = lastWidths[(int)'u'];  // ü
2119         lastWidths[223] = lastWidths[(int)251];  // ß
2120
2121         /* JC: calculate UnderlineThickness/UnderlinePosition */
2122
2123         // VS: dirty, but is there any better solution?
2124         double *pt;
2125         pt = (double*) &m_underlinePosition;
2126         *pt = LogicalToDeviceYRel((wxCoord)(UnderlinePosition * fontToUse->GetPointSize())) / 1000.0f;
2127         pt = (double*) &m_underlineThickness;
2128         *pt = LogicalToDeviceYRel((wxCoord)(UnderlineThickness * fontToUse->GetPointSize())) / 1000.0f;
2129
2130     }
2131
2132
2133     /* 3. now the font metrics are read in, calc size this
2134        /  is done by adding the widths of the characters in the
2135        /  string. they are given in 1/1000 of the size! */
2136
2137     long sum=0;
2138     wxCoord height=Size; /* by default */
2139     unsigned char *p;
2140     for(p=(unsigned char *)wxMBSTRINGCAST strbuf; *p; p++)
2141     {
2142         if(lastWidths[*p]== INT_MIN)
2143         {
2144             wxLogDebug(wxT("GetTextExtent: undefined width for character '%c' (%d)"), *p,*p);
2145             sum += lastWidths[(unsigned char)' ']; /* assume space */
2146         }
2147         else
2148         {
2149             sum += lastWidths[*p];
2150         }
2151     }
2152
2153     double widthSum = sum;
2154     widthSum *= Size;
2155     widthSum /= 1000.0F;
2156
2157     /* add descender to height (it is usually a negative value) */
2158     //if (lastDescender != INT_MIN)
2159     //{
2160     //    height += (wxCoord)(((-lastDescender)/1000.0F) * Size); /* MATTHEW: forgot scale */
2161     //}
2162     // - commented by V. Slavik - height already contains descender in it
2163     //   (judging from few experiments)
2164
2165     /* return size values */
2166     if ( x )
2167         *x = (wxCoord)widthSum;
2168     if ( y )
2169         *y = height;
2170
2171     /* return other parameters */
2172     if (descent)
2173     {
2174         if(lastDescender!=INT_MIN)
2175         {
2176             *descent = (wxCoord)(((-lastDescender)/1000.0F) * Size); /* MATTHEW: forgot scale */
2177         }
2178         else
2179         {
2180             *descent = 0;
2181         }
2182     }
2183
2184     /* currently no idea how to calculate this! */
2185     if (externalLeading) *externalLeading = 0;
2186 #endif
2187     // Use AFM
2188 }
2189
2190 // print postscript datas via required method (file, stream)
2191 void wxPostScriptDC::PsPrintf( const wxChar* fmt, ... )
2192 {
2193     va_list argptr;
2194     va_start(argptr, fmt);
2195
2196     PsPrint( wxString::FormatV( fmt, argptr ).c_str() );
2197 }
2198
2199 void wxPostScriptDC::PsPrint( const char* psdata )
2200 {
2201     wxPostScriptPrintNativeData *data =
2202         (wxPostScriptPrintNativeData *) m_printData.GetNativeData();
2203
2204     switch (m_printData.GetPrintMode())
2205     {
2206 #if wxUSE_STREAMS
2207         // append to output stream
2208         case wxPRINT_MODE_STREAM:
2209             {
2210                 wxOutputStream* outputstream = data->GetOutputStream();
2211                 wxCHECK_RET( outputstream, wxT("invalid outputstream") );
2212                 outputstream->Write( psdata, strlen( psdata ) );
2213             }
2214             break;
2215 #endif // wxUSE_STREAMS
2216
2217         // save data into file
2218         default:
2219             wxCHECK_RET( m_pstream, wxT("invalid postscript dc") );
2220             fwrite( psdata, 1, strlen( psdata ), m_pstream );
2221     }
2222 }
2223
2224 void wxPostScriptDC::PsPrint( int ch )
2225 {
2226     wxPostScriptPrintNativeData *data =
2227         (wxPostScriptPrintNativeData *) m_printData.GetNativeData();
2228
2229     switch (m_printData.GetPrintMode())
2230     {
2231 #if wxUSE_STREAMS
2232         // append to output stream
2233         case wxPRINT_MODE_STREAM:
2234             {
2235                 wxOutputStream* outputstream = data->GetOutputStream();
2236                 wxCHECK_RET( outputstream, wxT("invalid outputstream") );
2237                 outputstream->PutC( (char)ch );
2238             }
2239             break;
2240 #endif // wxUSE_STREAMS
2241
2242         // save data into file
2243         default:
2244             wxCHECK_RET( m_pstream, wxT("invalid postscript dc") );
2245             fputc( ch, m_pstream );
2246     }
2247 }
2248
2249 #endif
2250   // wxUSE_POSTSCRIPT
2251
2252 #endif
2253   // wxUSE_PRINTING_ARCHITECTURE
2254
2255
2256 // vi:sts=4:sw=4:et