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 #if wxUSE_PRINTING_ARCHITECTURE && wxUSE_POSTSCRIPT
  19
  20 #include "wx/generic/dcpsg.h"
  21
  22 #ifndef WX_PRECOMP
  23     #include "wx/intl.h"
  24     #include "wx/log.h"
  25     #include "wx/app.h"
  26     #include "wx/utils.h"
  27 #endif // WX_PRECOMP
  28
  29 #include "wx/dcmemory.h"
  30 #include "wx/image.h"
  31 #include "wx/prntbase.h"
  32 #include "wx/generic/prntdlgg.h"
  33 #include "wx/paper.h"
  34 #include "wx/filefn.h"
  35 #include "wx/math.h"
  36 #include "wx/stdpaths.h"
  37
  38 #ifdef __WXMSW__
  39
  40 #ifdef DrawText
  41 #undef DrawText
  42 #endif
  43
  44 #ifdef StartDoc
  45 #undef StartDoc
  46 #endif
  47
  48 #ifdef GetCharWidth
  49 #undef GetCharWidth
  50 #endif
  51
  52 #ifdef FindWindow
  53 #undef FindWindow
  54 #endif
  55
  56 #endif
  57
  58 //-----------------------------------------------------------------------------
  59 // start and end of document/page
  60 //-----------------------------------------------------------------------------
  61
  62 static const char *wxPostScriptHeaderConicTo = "\
  63 /conicto {\n\
  64     /to_y exch def\n\
  65     /to_x exch def\n\
  66     /conic_cntrl_y exch def\n\
  67     /conic_cntrl_x exch def\n\
  68     currentpoint\n\
  69     /p0_y exch def\n\
  70     /p0_x exch def\n\
  71     /p1_x p0_x conic_cntrl_x p0_x sub 2 3 div mul add def\n\
  72     /p1_y p0_y conic_cntrl_y p0_y sub 2 3 div mul add def\n\
  73     /p2_x p1_x to_x p0_x sub 1 3 div mul add def\n\
  74     /p2_y p1_y to_y p0_y sub 1 3 div mul add def\n\
  75     p1_x p1_y p2_x p2_y to_x to_y curveto\n\
  76 }  bind def\n\
  77 ";
  78
  79 static const char *wxPostScriptHeaderEllipse = "\
  80 /ellipsedict 8 dict def\n\
  81 ellipsedict /mtrx matrix put\n\
  82 /ellipse {\n\
  83     ellipsedict begin\n\
  84     /endangle exch def\n\
  85     /startangle exch def\n\
  86     /yrad exch def\n\
  87     /xrad exch def\n\
  88     /y exch def\n\
  89     /x exch def\n\
  90     /savematrix mtrx currentmatrix def\n\
  91     x y translate\n\
  92     xrad yrad scale\n\
  93     0 0 1 startangle endangle arc\n\
  94     savematrix setmatrix\n\
  95     end\n\
  96     } def\n\
  97 ";
  98
  99 static const char *wxPostScriptHeaderEllipticArc= "\
 100 /ellipticarcdict 8 dict def\n\
 101 ellipticarcdict /mtrx matrix put\n\
 102 /ellipticarc\n\
 103 { ellipticarcdict begin\n\
 104   /do_fill exch def\n\
 105   /endangle exch def\n\
 106   /startangle exch def\n\
 107   /yrad exch def\n\
 108   /xrad exch def \n\
 109   /y exch def\n\
 110   /x exch def\n\
 111   /savematrix mtrx currentmatrix def\n\
 112   x y translate\n\
 113   xrad yrad scale\n\
 114   do_fill { 0 0 moveto } if\n\
 115   0 0 1 startangle endangle arc\n\
 116   savematrix setmatrix\n\
 117   do_fill { fill }{ stroke } ifelse\n\
 118   end\n\
 119 } def\n";
 120
 121 static const char *wxPostScriptHeaderSpline = "\
 122 /DrawSplineSection {\n\
 123     /y3 exch def\n\
 124     /x3 exch def\n\
 125     /y2 exch def\n\
 126     /x2 exch def\n\
 127     /y1 exch def\n\
 128     /x1 exch def\n\
 129     /xa x1 x2 x1 sub 0.666667 mul add def\n\
 130     /ya y1 y2 y1 sub 0.666667 mul add def\n\
 131     /xb x3 x2 x3 sub 0.666667 mul add def\n\
 132     /yb y3 y2 y3 sub 0.666667 mul add def\n\
 133     x1 y1 lineto\n\
 134     xa ya xb yb x3 y3 curveto\n\
 135     } def\n\
 136 ";
 137
 138 static const char *wxPostScriptHeaderColourImage = "\
 139 % define 'colorimage' if it isn't defined\n\
 140 %   ('colortogray' and 'mergeprocs' come from xwd2ps\n\
 141 %     via xgrab)\n\
 142 /colorimage where   % do we know about 'colorimage'?\n\
 143   { pop }           % yes: pop off the 'dict' returned\n\
 144   {                 % no:  define one\n\
 145     /colortogray {  % define an RGB->I function\n\
 146       /rgbdata exch store    % call input 'rgbdata'\n\
 147       rgbdata length 3 idiv\n\
 148       /npixls exch store\n\
 149       /rgbindx 0 store\n\
 150       0 1 npixls 1 sub {\n\
 151         grays exch\n\
 152         rgbdata rgbindx       get 20 mul    % Red\n\
 153         rgbdata rgbindx 1 add get 32 mul    % Green\n\
 154         rgbdata rgbindx 2 add get 12 mul    % Blue\n\
 155         add add 64 idiv      % I = .5G + .31R + .18B\n\
 156         put\n\
 157         /rgbindx rgbindx 3 add store\n\
 158       } for\n\
 159       grays 0 npixls getinterval\n\
 160     } bind def\n\
 161 \n\
 162     % Utility procedure for colorimage operator.\n\
 163     % This procedure takes two procedures off the\n\
 164     % stack and merges them into a single procedure.\n\
 165 \n\
 166     /mergeprocs { % def\n\
 167       dup length\n\
 168       3 -1 roll\n\
 169       dup\n\
 170       length\n\
 171       dup\n\
 172       5 1 roll\n\
 173       3 -1 roll\n\
 174       add\n\
 175       array cvx\n\
 176       dup\n\
 177       3 -1 roll\n\
 178       0 exch\n\
 179       putinterval\n\
 180       dup\n\
 181       4 2 roll\n\
 182       putinterval\n\
 183     } bind def\n\
 184 \n\
 185     /colorimage { % def\n\
 186       pop pop     % remove 'false 3' operands\n\
 187       {colortogray} mergeprocs\n\
 188       image\n\
 189     } bind def\n\
 190   } ifelse          % end of 'false' case\n\
 191 ";
 192
 193 static char wxPostScriptHeaderReencodeISO1[] =
 194     "\n/reencodeISO {\n"
 195 "dup dup findfont dup length dict begin\n"
 196 "{ 1 index /FID ne { def }{ pop pop } ifelse } forall\n"
 197 "/Encoding ISOLatin1Encoding def\n"
 198 "currentdict end definefont\n"
 199 "} def\n"
 200 "/ISOLatin1Encoding [\n"
 201 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
 202 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
 203 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
 204 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
 205 "/space/exclam/quotedbl/numbersign/dollar/percent/ampersand/quoteright\n"
 206 "/parenleft/parenright/asterisk/plus/comma/minus/period/slash\n"
 207 "/zero/one/two/three/four/five/six/seven/eight/nine/colon/semicolon\n"
 208 "/less/equal/greater/question/at/A/B/C/D/E/F/G/H/I/J/K/L/M/N\n"
 209 "/O/P/Q/R/S/T/U/V/W/X/Y/Z/bracketleft/backslash/bracketright\n"
 210 "/asciicircum/underscore/quoteleft/a/b/c/d/e/f/g/h/i/j/k/l/m\n"
 211 "/n/o/p/q/r/s/t/u/v/w/x/y/z/braceleft/bar/braceright/asciitilde\n"
 212 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
 213 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
 214 "/.notdef/dotlessi/grave/acute/circumflex/tilde/macron/breve\n"
 215 "/dotaccent/dieresis/.notdef/ring/cedilla/.notdef/hungarumlaut\n";
 216
 217 static char wxPostScriptHeaderReencodeISO2[] =
 218 "/ogonek/caron/space/exclamdown/cent/sterling/currency/yen/brokenbar\n"
 219 "/section/dieresis/copyright/ordfeminine/guillemotleft/logicalnot\n"
 220 "/hyphen/registered/macron/degree/plusminus/twosuperior/threesuperior\n"
 221 "/acute/mu/paragraph/periodcentered/cedilla/onesuperior/ordmasculine\n"
 222 "/guillemotright/onequarter/onehalf/threequarters/questiondown\n"
 223 "/Agrave/Aacute/Acircumflex/Atilde/Adieresis/Aring/AE/Ccedilla\n"
 224 "/Egrave/Eacute/Ecircumflex/Edieresis/Igrave/Iacute/Icircumflex\n"
 225 "/Idieresis/Eth/Ntilde/Ograve/Oacute/Ocircumflex/Otilde/Odieresis\n"
 226 "/multiply/Oslash/Ugrave/Uacute/Ucircumflex/Udieresis/Yacute\n"
 227 "/Thorn/germandbls/agrave/aacute/acircumflex/atilde/adieresis\n"
 228 "/aring/ae/ccedilla/egrave/eacute/ecircumflex/edieresis/igrave\n"
 229 "/iacute/icircumflex/idieresis/eth/ntilde/ograve/oacute/ocircumflex\n"
 230 "/otilde/odieresis/divide/oslash/ugrave/uacute/ucircumflex/udieresis\n"
 231 "/yacute/thorn/ydieresis\n"
 232         "] def\n\n";
 233
 234 //-------------------------------------------------------------------------------
 235 // wxPostScriptDC
 236 //-------------------------------------------------------------------------------
 237
 238 IMPLEMENT_DYNAMIC_CLASS(wxPostScriptDC, wxDC)
 239
 240 float wxPostScriptDC::ms_PSScaleFactor = 1.0;
 241
 242 void wxPostScriptDC::SetResolution(int ppi)
 243 {
 244     ms_PSScaleFactor = (float)ppi / 72.0;
 245 }
 246
 247 int wxPostScriptDC::GetResolution()
 248 {
 249     return (int)(ms_PSScaleFactor * 72.0);
 250 }
 251
 252 //-------------------------------------------------------------------------------
 253
 254 wxPostScriptDC::wxPostScriptDC ()
 255 {
 256     m_pstream = (FILE*) NULL;
 257
 258     m_currentRed = 0;
 259     m_currentGreen = 0;
 260     m_currentBlue = 0;
 261
 262     m_pageNumber = 0;
 263
 264     m_clipping = false;
 265
 266     m_underlinePosition = 0.0;
 267     m_underlineThickness = 0.0;
 268
 269     m_signX =  1;  // default x-axis left to right
 270     m_signY = -1;  // default y-axis bottom up -> top down
 271 }
 272
 273 wxPostScriptDC::wxPostScriptDC (const wxPrintData& printData)
 274 {
 275     m_pstream = (FILE*) NULL;
 276
 277     m_currentRed = 0;
 278     m_currentGreen = 0;
 279     m_currentBlue = 0;
 280
 281     m_pageNumber = 0;
 282
 283     m_clipping = false;
 284
 285     m_underlinePosition = 0.0;
 286     m_underlineThickness = 0.0;
 287
 288     m_signX =  1;  // default x-axis left to right
 289     m_signY = -1;  // default y-axis bottom up -> top down
 290
 291     m_printData = printData;
 292
 293     m_ok = true;
 294 }
 295
 296 wxPostScriptDC::~wxPostScriptDC ()
 297 {
 298     if (m_pstream)
 299     {
 300         fclose( m_pstream );
 301         m_pstream = (FILE*) NULL;
 302     }
 303 }
 304
 305 bool wxPostScriptDC::Ok() const
 306 {
 307   return m_ok;
 308 }
 309
 310 void wxPostScriptDC::DoSetClippingRegion (wxCoord x, wxCoord y, wxCoord w, wxCoord h)
 311 {
 312     wxCHECK_RET( m_ok , wxT("invalid postscript dc") );
 313
 314     if (m_clipping) DestroyClippingRegion();
 315
 316     wxDC::DoSetClippingRegion(x, y, w, h);
 317
 318     m_clipping = true;
 319
 320     PsPrintf( wxT("gsave\n newpath\n")
 321               wxT("%d %d moveto\n")
 322               wxT("%d %d lineto\n")
 323               wxT("%d %d lineto\n")
 324               wxT("%d %d lineto\n")
 325               wxT("closepath clip newpath\n"),
 326             LogicalToDeviceX(x),   LogicalToDeviceY(y),
 327             LogicalToDeviceX(x+w), LogicalToDeviceY(y),
 328             LogicalToDeviceX(x+w), LogicalToDeviceY(y+h),
 329             LogicalToDeviceX(x),   LogicalToDeviceY(y+h) );
 330 }
 331
 332
 333 void wxPostScriptDC::DestroyClippingRegion()
 334 {
 335     wxCHECK_RET( m_ok , wxT("invalid postscript dc") );
 336
 337     if (m_clipping)
 338     {
 339         m_clipping = false;
 340         PsPrint( "grestore\n" );
 341     }
 342
 343     wxDC::DestroyClippingRegion();
 344 }
 345
 346 void wxPostScriptDC::Clear()
 347 {
 348     // This should fail silently to avoid unnecessary
 349     // asserts
 350     //    wxFAIL_MSG( wxT("wxPostScriptDC::Clear not implemented.") );
 351 }
 352
 353 bool wxPostScriptDC::DoFloodFill (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), const wxColour &WXUNUSED(col), int WXUNUSED(style))
 354 {
 355     wxFAIL_MSG( wxT("wxPostScriptDC::FloodFill not implemented.") );
 356     return false;
 357 }
 358
 359 bool wxPostScriptDC::DoGetPixel (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), wxColour * WXUNUSED(col)) const
 360 {
 361     wxFAIL_MSG( wxT("wxPostScriptDC::GetPixel not implemented.") );
 362     return false;
 363 }
 364
 365 void wxPostScriptDC::DoCrossHair (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y))
 366 {
 367     wxFAIL_MSG( wxT("wxPostScriptDC::CrossHair not implemented.") );
 368 }
 369
 370 void wxPostScriptDC::DoDrawLine (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
 371 {
 372     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 373
 374     if  (m_pen.GetStyle() == wxTRANSPARENT) return;
 375
 376     SetPen( m_pen );
 377
 378     PsPrintf( wxT("newpath\n")
 379               wxT("%d %d moveto\n")
 380               wxT("%d %d lineto\n")
 381               wxT("stroke\n"),
 382             LogicalToDeviceX(x1), LogicalToDeviceY(y1),
 383             LogicalToDeviceX(x2), LogicalToDeviceY (y2) );
 384
 385     CalcBoundingBox( x1, y1 );
 386     CalcBoundingBox( x2, y2 );
 387 }
 388
 389 #define RAD2DEG 57.29577951308
 390
 391 void wxPostScriptDC::DoDrawArc (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc)
 392 {
 393     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 394
 395     wxCoord dx = x1 - xc;
 396     wxCoord dy = y1 - yc;
 397     wxCoord radius = (wxCoord) sqrt( (double)(dx*dx+dy*dy) );
 398     double alpha1, alpha2;
 399
 400     if (x1 == x2 && y1 == y2)
 401     {
 402         alpha1 = 0.0;
 403         alpha2 = 360.0;
 404     }
 405     else if ( wxIsNullDouble(radius) )
 406     {
 407         alpha1 =
 408         alpha2 = 0.0;
 409     }
 410     else
 411     {
 412         alpha1 = (x1 - xc == 0) ?
 413             (y1 - yc < 0) ? 90.0 : -90.0 :
 414                 -atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
 415         alpha2 = (x2 - xc == 0) ?
 416             (y2 - yc < 0) ? 90.0 : -90.0 :
 417                 -atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
 418     }
 419     while (alpha1 <= 0)   alpha1 += 360;
 420     while (alpha2 <= 0)   alpha2 += 360; // adjust angles to be between
 421     while (alpha1 > 360)  alpha1 -= 360; // 0 and 360 degree
 422     while (alpha2 > 360)  alpha2 -= 360;
 423
 424     if (m_brush.GetStyle() != wxTRANSPARENT)
 425     {
 426         SetBrush( m_brush );
 427
 428         PsPrintf( wxT("newpath\n")
 429                   wxT("%d %d %d %d %d %d ellipse\n")
 430                   wxT("%d %d lineto\n")
 431                   wxT("closepath\n")
 432                   wxT("fill\n"),
 433                 LogicalToDeviceX(xc), LogicalToDeviceY(yc), LogicalToDeviceXRel(radius), LogicalToDeviceYRel(radius), (wxCoord)alpha1, (wxCoord) alpha2,
 434                 LogicalToDeviceX(xc), LogicalToDeviceY(yc) );
 435
 436         CalcBoundingBox( xc-radius, yc-radius );
 437         CalcBoundingBox( xc+radius, yc+radius );
 438     }
 439
 440     if (m_pen.GetStyle() != wxTRANSPARENT)
 441     {
 442         SetPen( m_pen );
 443
 444         PsPrintf( wxT("newpath\n")
 445                   wxT("%d %d %d %d %d %d ellipse\n")
 446                   wxT("%d %d lineto\n")
 447                   wxT("stroke\n")
 448                   wxT("fill\n"),
 449                 LogicalToDeviceX(xc), LogicalToDeviceY(yc), LogicalToDeviceXRel(radius), LogicalToDeviceYRel(radius), (wxCoord)alpha1, (wxCoord) alpha2,
 450                 LogicalToDeviceX(xc), LogicalToDeviceY(yc) );
 451
 452         CalcBoundingBox( xc-radius, yc-radius );
 453         CalcBoundingBox( xc+radius, yc+radius );
 454     }
 455 }
 456
 457 void wxPostScriptDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
 458 {
 459     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 460
 461     if ( sa >= 360 || sa <= -360 )
 462         sa -= int(sa/360)*360;
 463     if ( ea >= 360 || ea <=- 360 )
 464         ea -= int(ea/360)*360;
 465     if ( sa < 0 )
 466         sa += 360;
 467     if ( ea < 0 )
 468         ea += 360;
 469
 470     if ( wxIsSameDouble(sa, ea) )
 471     {
 472         DrawEllipse(x,y,w,h);
 473         return;
 474     }
 475
 476     if (m_brush.GetStyle () != wxTRANSPARENT)
 477     {
 478         SetBrush( m_brush );
 479
 480         PsPrintf( wxT("newpath\n")
 481                   wxT("%d %d %d %d %d %d true ellipticarc\n"),
 482                   LogicalToDeviceX(x+w/2), LogicalToDeviceY(y+h/2),
 483                   LogicalToDeviceXRel(w/2), LogicalToDeviceYRel(h/2),
 484                   (wxCoord)sa, (wxCoord)ea );
 485
 486         CalcBoundingBox( x ,y );
 487         CalcBoundingBox( x+w, y+h );
 488     }
 489
 490     if (m_pen.GetStyle () != wxTRANSPARENT)
 491     {
 492         SetPen( m_pen );
 493
 494         PsPrintf( wxT("newpath\n")
 495                   wxT("%d %d %d %d %d %d false ellipticarc\n"),
 496                 LogicalToDeviceX(x+w/2), LogicalToDeviceY(y+h/2),
 497                 LogicalToDeviceXRel(w/2), LogicalToDeviceYRel(h/2),
 498                 (wxCoord)sa, (wxCoord)ea );
 499
 500         CalcBoundingBox( x ,y );
 501         CalcBoundingBox( x+w, y+h );
 502     }
 503 }
 504
 505 void wxPostScriptDC::DoDrawPoint (wxCoord x, wxCoord y)
 506 {
 507     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 508
 509     if (m_pen.GetStyle() == wxTRANSPARENT) return;
 510
 511     SetPen (m_pen);
 512
 513     PsPrintf( wxT("newpath\n")
 514               wxT("%d %d moveto\n")
 515               wxT("%d %d lineto\n")
 516               wxT("stroke\n"),
 517             LogicalToDeviceX(x),   LogicalToDeviceY(y),
 518             LogicalToDeviceX(x+1), LogicalToDeviceY(y) );
 519
 520     CalcBoundingBox( x, y );
 521 }
 522
 523 void wxPostScriptDC::DoDrawPolygon (int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
 524 {
 525     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 526
 527     if (n <= 0) return;
 528
 529     if (m_brush.GetStyle () != wxTRANSPARENT)
 530     {
 531         SetBrush( m_brush );
 532
 533         PsPrint( "newpath\n" );
 534
 535         wxCoord xx = LogicalToDeviceX(points[0].x + xoffset);
 536         wxCoord yy = LogicalToDeviceY(points[0].y + yoffset);
 537
 538         PsPrintf( wxT("%d %d moveto\n"), xx, yy );
 539
 540         CalcBoundingBox( points[0].x + xoffset, points[0].y + yoffset );
 541
 542         for (int i = 1; i < n; i++)
 543         {
 544             xx = LogicalToDeviceX(points[i].x + xoffset);
 545             yy = LogicalToDeviceY(points[i].y + yoffset);
 546
 547             PsPrintf( wxT("%d %d lineto\n"), xx, yy );
 548
 549             CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset);
 550         }
 551
 552         PsPrint( (fillStyle == wxODDEVEN_RULE ? "eofill\n" : "fill\n") );
 553     }
 554
 555     if (m_pen.GetStyle () != wxTRANSPARENT)
 556     {
 557         SetPen( m_pen );
 558
 559         PsPrint( "newpath\n" );
 560
 561         wxCoord xx = LogicalToDeviceX(points[0].x + xoffset);
 562         wxCoord yy = LogicalToDeviceY(points[0].y + yoffset);
 563
 564         PsPrintf( wxT("%d %d moveto\n"), xx, yy );
 565
 566         CalcBoundingBox( points[0].x + xoffset, points[0].y + yoffset );
 567
 568         for (int i = 1; i < n; i++)
 569         {
 570             xx = LogicalToDeviceX(points[i].x + xoffset);
 571             yy = LogicalToDeviceY(points[i].y + yoffset);
 572
 573             PsPrintf( wxT("%d %d lineto\n"), xx, yy );
 574
 575             CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset);
 576         }
 577
 578         PsPrint( "closepath\n" );
 579         PsPrint( "stroke\n" );
 580     }
 581 }
 582
 583 void wxPostScriptDC::DoDrawPolyPolygon (int n, int count[], wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
 584 {
 585     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 586
 587     if (n <= 0) return;
 588
 589     if (m_brush.GetStyle () != wxTRANSPARENT)
 590     {
 591         SetBrush( m_brush );
 592
 593         PsPrint( "newpath\n" );
 594
 595         int ofs = 0;
 596         for (int i = 0; i < n; ofs += count[i++])
 597         {
 598             wxCoord xx = LogicalToDeviceX(points[ofs].x + xoffset);
 599             wxCoord yy = LogicalToDeviceY(points[ofs].y + yoffset);
 600
 601             PsPrintf( wxT("%d %d moveto\n"), xx, yy );
 602
 603             CalcBoundingBox( points[ofs].x + xoffset, points[ofs].y + yoffset );
 604
 605             for (int j = 1; j < count[i]; j++)
 606             {
 607                 xx = LogicalToDeviceX(points[ofs+j].x + xoffset);
 608                 yy = LogicalToDeviceY(points[ofs+j].y + yoffset);
 609
 610                 PsPrintf( wxT("%d %d lineto\n"), xx, yy );
 611
 612                 CalcBoundingBox( points[ofs+j].x + xoffset, points[ofs+j].y + yoffset);
 613             }
 614         }
 615         PsPrint( (fillStyle == wxODDEVEN_RULE ? "eofill\n" : "fill\n") );
 616     }
 617
 618     if (m_pen.GetStyle () != wxTRANSPARENT)
 619     {
 620         SetPen( m_pen );
 621
 622         PsPrint( "newpath\n" );
 623
 624         int ofs = 0;
 625         for (int i = 0; i < n; ofs += count[i++])
 626         {
 627             wxCoord xx = LogicalToDeviceX(points[ofs].x + xoffset);
 628             wxCoord yy = LogicalToDeviceY(points[ofs].y + yoffset);
 629
 630             PsPrintf( wxT("%d %d moveto\n"), xx, yy );
 631
 632             CalcBoundingBox( points[ofs].x + xoffset, points[ofs].y + yoffset );
 633
 634             for (int j = 1; j < count[i]; j++)
 635             {
 636                 xx = LogicalToDeviceX(points[ofs+j].x + xoffset);
 637                 yy = LogicalToDeviceY(points[ofs+j].y + yoffset);
 638
 639                 PsPrintf( wxT("%d %d lineto\n"), xx, yy );
 640
 641                 CalcBoundingBox( points[ofs+j].x + xoffset, points[ofs+j].y + yoffset);
 642             }
 643         }
 644         PsPrint( "closepath\n" );
 645         PsPrint( "stroke\n" );
 646     }
 647 }
 648
 649 void wxPostScriptDC::DoDrawLines (int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
 650 {
 651     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 652
 653     if (m_pen.GetStyle() == wxTRANSPARENT) return;
 654
 655     if (n <= 0) return;
 656
 657     SetPen (m_pen);
 658
 659     int i;
 660     for ( i =0; i<n ; i++ )
 661     {
 662         CalcBoundingBox( LogicalToDeviceX(points[i].x+xoffset), LogicalToDeviceY(points[i].y+yoffset));
 663     }
 664
 665     PsPrintf( wxT("newpath\n")
 666               wxT("%d %d moveto\n"),
 667               LogicalToDeviceX(points[0].x+xoffset),
 668               LogicalToDeviceY(points[0].y+yoffset) );
 669
 670     for (i = 1; i < n; i++)
 671     {
 672         PsPrintf( wxT("%d %d lineto\n"),
 673                   LogicalToDeviceX(points[i].x+xoffset),
 674                   LogicalToDeviceY(points[i].y+yoffset) );
 675     }
 676
 677     PsPrint( "stroke\n" );
 678 }
 679
 680 void wxPostScriptDC::DoDrawRectangle (wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 681 {
 682     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 683
 684     if (m_brush.GetStyle () != wxTRANSPARENT)
 685     {
 686         SetBrush( m_brush );
 687
 688         PsPrintf( wxT("newpath\n")
 689                   wxT("%d %d moveto\n")
 690                   wxT("%d %d lineto\n")
 691                   wxT("%d %d lineto\n")
 692                   wxT("%d %d lineto\n")
 693                   wxT("closepath\n")
 694                   wxT("fill\n"),
 695                 LogicalToDeviceX(x),         LogicalToDeviceY(y),
 696                 LogicalToDeviceX(x + width), LogicalToDeviceY(y),
 697                 LogicalToDeviceX(x + width), LogicalToDeviceY(y + height),
 698                 LogicalToDeviceX(x),         LogicalToDeviceY(y + height) );
 699
 700         CalcBoundingBox( x, y );
 701         CalcBoundingBox( x + width, y + height );
 702     }
 703
 704     if (m_pen.GetStyle () != wxTRANSPARENT)
 705     {
 706         SetPen (m_pen);
 707
 708         PsPrintf( wxT("newpath\n")
 709                   wxT("%d %d moveto\n")
 710                   wxT("%d %d lineto\n")
 711                   wxT("%d %d lineto\n")
 712                   wxT("%d %d lineto\n")
 713                   wxT("closepath\n")
 714                   wxT("stroke\n"),
 715                 LogicalToDeviceX(x),         LogicalToDeviceY(y),
 716                 LogicalToDeviceX(x + width), LogicalToDeviceY(y),
 717                 LogicalToDeviceX(x + width), LogicalToDeviceY(y + height),
 718                 LogicalToDeviceX(x),         LogicalToDeviceY(y + height) );
 719
 720         CalcBoundingBox( x, y );
 721         CalcBoundingBox( x + width, y + height );
 722     }
 723 }
 724
 725 void wxPostScriptDC::DoDrawRoundedRectangle (wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
 726 {
 727     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 728
 729     if (radius < 0.0)
 730     {
 731         // Now, a negative radius is interpreted to mean
 732         // 'the proportion of the smallest X or Y dimension'
 733         double smallest = width < height ? width : height;
 734         radius =  (-radius * smallest);
 735     }
 736
 737     wxCoord rad = (wxCoord) radius;
 738
 739     if (m_brush.GetStyle () != wxTRANSPARENT)
 740     {
 741         SetBrush( m_brush );
 742
 743         /* Draw rectangle anticlockwise */
 744         PsPrintf( wxT("newpath\n")
 745                   wxT("%d %d %d 90 180 arc\n")
 746                   wxT("%d %d lineto\n")
 747                   wxT("%d %d %d 180 270 arc\n")
 748                   wxT("%d %d lineto\n")
 749                   wxT("%d %d %d 270 0 arc\n")
 750                   wxT("%d %d lineto\n")
 751                   wxT("%d %d %d 0 90 arc\n")
 752                   wxT("%d %d lineto\n")
 753                   wxT("closepath\n")
 754                   wxT("fill\n"),
 755                 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
 756                 LogicalToDeviceX(x), LogicalToDeviceY(y + height - rad),
 757                 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
 758                 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height),
 759                 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
 760                 LogicalToDeviceX(x + width), LogicalToDeviceY(y + rad),
 761                 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
 762                 LogicalToDeviceX(x + rad), LogicalToDeviceY(y) );
 763
 764         CalcBoundingBox( x, y );
 765         CalcBoundingBox( x + width, y + height );
 766     }
 767
 768     if (m_pen.GetStyle () != wxTRANSPARENT)
 769     {
 770         SetPen (m_pen);
 771
 772         /* Draw rectangle anticlockwise */
 773         PsPrintf( wxT("newpath\n")
 774                   wxT("%d %d %d 90 180 arc\n")
 775                   wxT("%d %d lineto\n")
 776                   wxT("%d %d %d 180 270 arc\n")
 777                   wxT("%d %d lineto\n")
 778                   wxT("%d %d %d 270 0 arc\n")
 779                   wxT("%d %d lineto\n")
 780                   wxT("%d %d %d 0 90 arc\n")
 781                   wxT("%d %d lineto\n")
 782                   wxT("closepath\n")
 783                   wxT("stroke\n"),
 784                 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
 785                 LogicalToDeviceX(x), LogicalToDeviceY(y + height - rad),
 786                 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
 787                 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height),
 788                 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
 789                 LogicalToDeviceX(x + width), LogicalToDeviceY(y + rad),
 790                 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
 791                 LogicalToDeviceX(x + rad), LogicalToDeviceY(y) );
 792
 793         CalcBoundingBox( x, y );
 794         CalcBoundingBox( x + width, y + height );
 795     }
 796 }
 797
 798 void wxPostScriptDC::DoDrawEllipse (wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 799 {
 800     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 801
 802     if (m_brush.GetStyle () != wxTRANSPARENT)
 803     {
 804         SetBrush (m_brush);
 805
 806         PsPrintf( wxT("newpath\n")
 807                   wxT("%d %d %d %d 0 360 ellipse\n")
 808                   wxT("fill\n"),
 809                 LogicalToDeviceX(x + width / 2), LogicalToDeviceY(y + height / 2),
 810                 LogicalToDeviceXRel(width / 2), LogicalToDeviceYRel(height / 2) );
 811
 812         CalcBoundingBox( x - width, y - height );
 813         CalcBoundingBox( x + width, y + height );
 814     }
 815
 816     if (m_pen.GetStyle () != wxTRANSPARENT)
 817     {
 818         SetPen (m_pen);
 819
 820         PsPrintf( wxT("newpath\n")
 821                   wxT("%d %d %d %d 0 360 ellipse\n")
 822                   wxT("stroke\n"),
 823                 LogicalToDeviceX(x + width / 2), LogicalToDeviceY(y + height / 2),
 824                 LogicalToDeviceXRel(width / 2), LogicalToDeviceYRel(height / 2) );
 825
 826         CalcBoundingBox( x - width, y - height );
 827         CalcBoundingBox( x + width, y + height );
 828     }
 829 }
 830
 831 void wxPostScriptDC::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
 832 {
 833     DrawBitmap( icon, x, y, true );
 834 }
 835
 836 /* this has to be char, not wxChar */
 837 static char hexArray[] = "0123456789ABCDEF";
 838
 839 void wxPostScriptDC::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool WXUNUSED(useMask) )
 840 {
 841     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 842
 843     if (!bitmap.Ok()) return;
 844
 845     wxImage image = bitmap.ConvertToImage();
 846
 847     if (!image.Ok()) return;
 848
 849     wxCoord w = image.GetWidth();
 850     wxCoord h = image.GetHeight();
 851
 852     wxCoord ww = LogicalToDeviceXRel(image.GetWidth());
 853     wxCoord hh = LogicalToDeviceYRel(image.GetHeight());
 854
 855     wxCoord xx = LogicalToDeviceX(x);
 856     wxCoord yy = LogicalToDeviceY(y + bitmap.GetHeight());
 857
 858     PsPrintf( wxT("/origstate save def\n")
 859               wxT("20 dict begin\n")
 860               wxT("/pix %d string def\n")
 861               wxT("/grays %d string def\n")
 862               wxT("/npixels 0 def\n")
 863               wxT("/rgbindx 0 def\n")
 864               wxT("%d %d translate\n")
 865               wxT("%d %d scale\n")
 866               wxT("%d %d 8\n")
 867               wxT("[%d 0 0 %d 0 %d]\n")
 868               wxT("{currentfile pix readhexstring pop}\n")
 869               wxT("false 3 colorimage\n"),
 870             w, w, xx, yy, ww, hh, w, h, w, -h, h );
 871
 872     unsigned char* data = image.GetData();
 873
 874     // size of the buffer = width*rgb(3)*hexa(2)+'\n'
 875     wxCharBuffer buffer(w*6 + 1);
 876     int firstDigit, secondDigit;
 877
 878     //rows
 879     for (int j = 0; j < h; j++)
 880     {
 881         char* bufferindex = buffer.data();
 882
 883         //cols
 884         for (int i = 0; i < w*3; i++)
 885         {
 886             firstDigit = (int)(*data/16.0);
 887             secondDigit = (int)(*data - (firstDigit*16.0));
 888             *(bufferindex++) = hexArray[firstDigit];
 889             *(bufferindex++) = hexArray[secondDigit];
 890
 891             data++;
 892         }
 893         *(bufferindex++) = '\n';
 894         *bufferindex = 0;
 895         PsPrint( buffer );
 896     }
 897
 898     PsPrint( "end\n" );
 899     PsPrint( "origstate restore\n" );
 900 }
 901
 902 void wxPostScriptDC::SetFont( const wxFont& font )
 903 {
 904     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 905
 906     if (!font.Ok())  return;
 907
 908     m_font = font;
 909
 910     int Style = m_font.GetStyle();
 911     int Weight = m_font.GetWeight();
 912
 913     const char *name;
 914     switch (m_font.GetFamily())
 915     {
 916         case wxTELETYPE:
 917         case wxMODERN:
 918         {
 919             if (Style == wxITALIC)
 920             {
 921                 if (Weight == wxBOLD)
 922                     name = "/Courier-BoldOblique";
 923                 else
 924                     name = "/Courier-Oblique";
 925             }
 926             else
 927             {
 928                 if (Weight == wxBOLD)
 929                     name = "/Courier-Bold";
 930                 else
 931                     name = "/Courier";
 932             }
 933             break;
 934         }
 935         case wxROMAN:
 936         {
 937             if (Style == wxITALIC)
 938             {
 939                 if (Weight == wxBOLD)
 940                     name = "/Times-BoldItalic";
 941                 else
 942                     name = "/Times-Italic";
 943             }
 944             else
 945             {
 946                 if (Weight == wxBOLD)
 947                     name = "/Times-Bold";
 948                 else
 949                     name = "/Times-Roman";
 950             }
 951             break;
 952         }
 953         case wxSCRIPT:
 954         {
 955             name = "/ZapfChancery-MediumItalic";
 956             break;
 957         }
 958         case wxSWISS:
 959         default:
 960         {
 961             if (Style == wxITALIC)
 962             {
 963                 if (Weight == wxBOLD)
 964                     name = "/Helvetica-BoldOblique";
 965                 else
 966                     name = "/Helvetica-Oblique";
 967             }
 968             else
 969             {
 970                 if (Weight == wxBOLD)
 971                     name = "/Helvetica-Bold";
 972                 else
 973                     name = "/Helvetica";
 974             }
 975             break;
 976         }
 977     }
 978
 979     // We may legitimately call SetFont before BeginDoc
 980     if (!m_pstream)
 981         return;
 982
 983     PsPrint( name );
 984     PsPrint( " reencodeISO def\n" );
 985     PsPrint( name );
 986     PsPrint( " findfont\n" );
 987
 988     char buffer[100];
 989     sprintf( buffer, "%f scalefont setfont\n", LogicalToDeviceYRel(m_font.GetPointSize() * 1000) / 1000.0F);
 990     // this is a hack - we must scale font size (in pts) according to m_scaleY but
 991     // LogicalToDeviceYRel works with wxCoord type (int or longint). Se we first convert font size
 992     // to 1/1000th of pt and then back.
 993     for (int i = 0; i < 100; i++)
 994         if (buffer[i] == ',') buffer[i] = '.';
 995     PsPrint( buffer );
 996 }
 997
 998 void wxPostScriptDC::SetPen( const wxPen& pen )
 999 {
1000     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1001
1002     if (!pen.Ok()) return;
1003
1004     int oldStyle = m_pen.GetStyle();
1005
1006     m_pen = pen;
1007
1008     char buffer[100];
1009     sprintf( buffer, "%f setlinewidth\n", LogicalToDeviceXRel(1000 * m_pen.GetWidth()) / 1000.0f );
1010     for (int i = 0; i < 100; i++)
1011         if (buffer[i] == ',') buffer[i] = '.';
1012     PsPrint( buffer );
1013
1014 /*
1015      Line style - WRONG: 2nd arg is OFFSET
1016
1017      Here, I'm afraid you do not conceive meaning of parameters of 'setdash'
1018      operator correctly. You should look-up this in the Red Book: the 2nd parame-
1019      ter is not number of values in the array of the first one, but an offset
1020      into this description of the pattern. I mean a real *offset* not index
1021      into array. I.e. If the command is [3 4] 1 setdash   is used, then there
1022      will be first black line *2* units wxCoord, then space 4 units, then the
1023      pattern of *3* units black, 4 units space will be repeated.
1024 */
1025
1026     static const char *dotted = "[2 5] 2";
1027     static const char *short_dashed = "[4 4] 2";
1028     static const char *wxCoord_dashed = "[4 8] 2";
1029     static const char *dotted_dashed = "[6 6 2 6] 4";
1030
1031     const char *psdash;
1032
1033     switch (m_pen.GetStyle())
1034     {
1035         case wxDOT:           psdash = dotted;         break;
1036         case wxSHORT_DASH:    psdash = short_dashed;   break;
1037         case wxLONG_DASH:     psdash = wxCoord_dashed; break;
1038         case wxDOT_DASH:      psdash = dotted_dashed;  break;
1039         case wxUSER_DASH:
1040         {
1041             wxDash *dashes;
1042             int nDashes = m_pen.GetDashes (&dashes);
1043             PsPrint ("[");
1044             for (int i = 0; i < nDashes; ++i)
1045             {
1046                 sprintf( buffer, "%d ", dashes [i] );
1047                 PsPrint( buffer );
1048             }
1049             PsPrint ("] 0 setdash\n");
1050             psdash = 0;
1051         }
1052         break;
1053         case wxSOLID:
1054         case wxTRANSPARENT:
1055         default:              psdash = "[] 0";         break;
1056     }
1057
1058     if ( psdash && (oldStyle != m_pen.GetStyle()) )
1059     {
1060         PsPrint( psdash );
1061         PsPrint( " setdash\n" );
1062     }
1063
1064     // Line colour
1065     unsigned char red = m_pen.GetColour().Red();
1066     unsigned char blue = m_pen.GetColour().Blue();
1067     unsigned char green = m_pen.GetColour().Green();
1068
1069     if (!m_colour)
1070     {
1071         // Anything not white is black
1072         if (! (red == (unsigned char) 255 &&
1073                blue == (unsigned char) 255 &&
1074                green == (unsigned char) 255) )
1075         {
1076             red = (unsigned char) 0;
1077             green = (unsigned char) 0;
1078             blue = (unsigned char) 0;
1079         }
1080         // setgray here ?
1081     }
1082
1083     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1084     {
1085         double redPS = (double)(red) / 255.0;
1086         double bluePS = (double)(blue) / 255.0;
1087         double greenPS = (double)(green) / 255.0;
1088
1089         sprintf( buffer,
1090             "%.8f %.8f %.8f setrgbcolor\n",
1091             redPS, greenPS, bluePS );
1092         for (int i = 0; i < 100; i++)
1093             if (buffer[i] == ',') buffer[i] = '.';
1094
1095         PsPrint( buffer );
1096
1097         m_currentRed = red;
1098         m_currentBlue = blue;
1099         m_currentGreen = green;
1100     }
1101 }
1102
1103 void wxPostScriptDC::SetBrush( const wxBrush& brush )
1104 {
1105     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1106
1107     if (!brush.Ok()) return;
1108
1109     m_brush = brush;
1110
1111     // Brush colour
1112     unsigned char red = m_brush.GetColour().Red();
1113     unsigned char blue = m_brush.GetColour().Blue();
1114     unsigned char green = m_brush.GetColour().Green();
1115
1116     if (!m_colour)
1117     {
1118         // Anything not white is black
1119         if (! (red == (unsigned char) 255 &&
1120                blue == (unsigned char) 255 &&
1121                green == (unsigned char) 255) )
1122         {
1123             red = (unsigned char) 0;
1124             green = (unsigned char) 0;
1125             blue = (unsigned char) 0;
1126         }
1127         // setgray here ?
1128     }
1129
1130     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1131     {
1132         double redPS = (double)(red) / 255.0;
1133         double bluePS = (double)(blue) / 255.0;
1134         double greenPS = (double)(green) / 255.0;
1135
1136         char buffer[100];
1137         sprintf( buffer,
1138                 "%.8f %.8f %.8f setrgbcolor\n",
1139                 redPS, greenPS, bluePS );
1140         for (int i = 0; i < 100; i++)
1141             if (buffer[i] == ',') buffer[i] = '.';
1142
1143         PsPrint( buffer );
1144
1145         m_currentRed = red;
1146         m_currentBlue = blue;
1147         m_currentGreen = green;
1148     }
1149 }
1150
1151 void wxPostScriptDC::DoDrawText( const wxString& text, wxCoord x, wxCoord y )
1152 {
1153     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1154
1155     if (m_textForegroundColour.Ok())
1156     {
1157         unsigned char red = m_textForegroundColour.Red();
1158         unsigned char blue = m_textForegroundColour.Blue();
1159         unsigned char green = m_textForegroundColour.Green();
1160
1161         if (!m_colour)
1162         {
1163             // Anything not white is black
1164             if (! (red == (unsigned char) 255 &&
1165                         blue == (unsigned char) 255 &&
1166                         green == (unsigned char) 255))
1167             {
1168                 red = (unsigned char) 0;
1169                 green = (unsigned char) 0;
1170                 blue = (unsigned char) 0;
1171             }
1172         }
1173
1174         // maybe setgray here ?
1175         if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1176         {
1177             double redPS = (double)(red) / 255.0;
1178             double bluePS = (double)(blue) / 255.0;
1179             double greenPS = (double)(green) / 255.0;
1180
1181             char buffer[100];
1182             sprintf( buffer,
1183                 "%.8f %.8f %.8f setrgbcolor\n",
1184                 redPS, greenPS, bluePS );
1185             for (size_t i = 0; i < strlen(buffer); i++)
1186                 if (buffer[i] == ',') buffer[i] = '.';
1187             PsPrint( buffer );
1188
1189             m_currentRed = red;
1190             m_currentBlue = blue;
1191             m_currentGreen = green;
1192         }
1193     }
1194
1195     wxCoord text_w, text_h, text_descent;
1196
1197     GetTextExtent(text, &text_w, &text_h, &text_descent);
1198
1199     // VZ: this seems to be unnecessary, so taking it out for now, if it
1200     //     doesn't create any problems, remove this comment entirely
1201     //SetFont( m_font );
1202
1203
1204     int size = m_font.GetPointSize();
1205
1206 //    wxCoord by = y + (wxCoord)floor( double(size) * 2.0 / 3.0 ); // approximate baseline
1207 //    commented by V. Slavik and replaced by accurate version
1208 //        - note that there is still rounding error in text_descent!
1209     wxCoord by = y + size - text_descent; // baseline
1210
1211     PsPrintf( wxT("%d %d moveto\n"), LogicalToDeviceX(x), LogicalToDeviceY(by) );
1212     PsPrint( "(" );
1213
1214     const wxWX2MBbuf textbuf = text.mb_str();
1215     size_t len = strlen(textbuf);
1216     size_t i;
1217     for (i = 0; i < len; i++)
1218     {
1219         int c = (unsigned char) textbuf[i];
1220         if (c == ')' || c == '(' || c == '\\')
1221         {
1222             /* Cope with special characters */
1223             PsPrint( "\\" );
1224             PsPrint(c);
1225         }
1226         else if ( c >= 128 )
1227         {
1228             /* Cope with character codes > 127 */
1229             PsPrintf( wxT("\\%o"), c);
1230         }
1231         else
1232         {
1233             PsPrint(c);
1234         }
1235     }
1236
1237     PsPrint( ") show\n" );
1238
1239     if (m_font.GetUnderlined())
1240     {
1241         wxCoord uy = (wxCoord)(y + size - m_underlinePosition);
1242         char buffer[100];
1243
1244         sprintf( buffer,
1245                 "gsave\n"
1246                 "%d %d moveto\n"
1247                 "%f setlinewidth\n"
1248                 "%d %d lineto\n"
1249                 "stroke\n"
1250                 "grestore\n",
1251                 LogicalToDeviceX(x), LogicalToDeviceY(uy),
1252                 m_underlineThickness,
1253                 LogicalToDeviceX(x + text_w), LogicalToDeviceY(uy) );
1254         for (i = 0; i < 100; i++)
1255             if (buffer[i] == ',') buffer[i] = '.';
1256         PsPrint( buffer );
1257     }
1258
1259     CalcBoundingBox( x, y );
1260     CalcBoundingBox( x + size * text.length() * 2/3 , y );
1261 }
1262
1263 void wxPostScriptDC::DoDrawRotatedText( const wxString& text, wxCoord x, wxCoord y, double angle )
1264 {
1265     if ( wxIsNullDouble(angle) )
1266     {
1267         DoDrawText(text, x, y);
1268         return;
1269     }
1270
1271     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1272
1273     SetFont( m_font );
1274
1275     if (m_textForegroundColour.Ok())
1276     {
1277         unsigned char red = m_textForegroundColour.Red();
1278         unsigned char blue = m_textForegroundColour.Blue();
1279         unsigned char green = m_textForegroundColour.Green();
1280
1281         if (!m_colour)
1282         {
1283             // Anything not white is black
1284             if (! (red == (unsigned char) 255 &&
1285                    blue == (unsigned char) 255 &&
1286                    green == (unsigned char) 255))
1287             {
1288                 red = (unsigned char) 0;
1289                 green = (unsigned char) 0;
1290                 blue = (unsigned char) 0;
1291             }
1292         }
1293
1294         // maybe setgray here ?
1295         if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1296         {
1297             double redPS = (double)(red) / 255.0;
1298             double bluePS = (double)(blue) / 255.0;
1299             double greenPS = (double)(green) / 255.0;
1300
1301             char buffer[100];
1302             sprintf( buffer,
1303                 "%.8f %.8f %.8f setrgbcolor\n",
1304                 redPS, greenPS, bluePS );
1305             for (int i = 0; i < 100; i++)
1306                 if (buffer[i] == ',') buffer[i] = '.';
1307             PsPrint( buffer );
1308
1309             m_currentRed = red;
1310             m_currentBlue = blue;
1311             m_currentGreen = green;
1312         }
1313     }
1314
1315     int size = m_font.GetPointSize();
1316
1317     PsPrintf( wxT("%d %d moveto\n"),
1318             LogicalToDeviceX(x), LogicalToDeviceY(y));
1319
1320     char buffer[100];
1321     sprintf(buffer, "%.8f rotate\n", angle);
1322     size_t i;
1323     for (i = 0; i < 100; i++)
1324     {
1325         if (buffer[i] == ',') buffer[i] = '.';
1326     }
1327     PsPrint( buffer);
1328
1329     PsPrint( "(" );
1330     const wxWX2MBbuf textbuf = text.mb_str();
1331     size_t len = strlen(textbuf);
1332     for (i = 0; i < len; i++)
1333     {
1334         int c = (unsigned char) textbuf[i];
1335         if (c == ')' || c == '(' || c == '\\')
1336         {
1337             /* Cope with special characters */
1338             PsPrint( "\\" );
1339             PsPrint(c);
1340         }
1341         else if ( c >= 128 )
1342         {
1343             /* Cope with character codes > 127 */
1344             PsPrintf( wxT("\\%o"), c);
1345         }
1346         else
1347         {
1348             PsPrint(c);
1349         }
1350     }
1351
1352     PsPrint( ") show\n" );
1353
1354     sprintf( buffer, "%.8f rotate\n", -angle );
1355     for (i = 0; i < 100; i++)
1356     {
1357         if (buffer[i] == ',') buffer[i] = '.';
1358     }
1359     PsPrint( buffer );
1360
1361     if (m_font.GetUnderlined())
1362     {
1363         wxCoord uy = (wxCoord)(y + size - m_underlinePosition);
1364         wxCoord w, h;
1365         GetTextExtent(text, &w, &h);
1366
1367         sprintf( buffer,
1368                 "gsave\n"
1369                 "%d %d moveto\n"
1370                 "%f setlinewidth\n"
1371                 "%d %d lineto\n"
1372                 "stroke\n"
1373                 "grestore\n",
1374                 LogicalToDeviceX(x), LogicalToDeviceY(uy),
1375                 m_underlineThickness,
1376                 LogicalToDeviceX(x + w), LogicalToDeviceY(uy) );
1377         for (i = 0; i < 100; i++)
1378         {
1379             if (buffer[i] == ',') buffer[i] = '.';
1380         }
1381         PsPrint( buffer );
1382     }
1383
1384     CalcBoundingBox( x, y );
1385     CalcBoundingBox( x + size * text.length() * 2/3 , y );
1386 }
1387
1388 void wxPostScriptDC::SetBackground (const wxBrush& brush)
1389 {
1390     m_backgroundBrush = brush;
1391 }
1392
1393 void wxPostScriptDC::SetLogicalFunction (int WXUNUSED(function))
1394 {
1395     wxFAIL_MSG( wxT("wxPostScriptDC::SetLogicalFunction not implemented.") );
1396 }
1397
1398 #if wxUSE_SPLINES
1399 void wxPostScriptDC::DoDrawSpline( wxList *points )
1400 {
1401     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1402
1403     SetPen( m_pen );
1404
1405     // a and b are not used
1406     //double a, b;
1407     double c, d, x1, y1, x2, y2, x3, y3;
1408     wxPoint *p, *q;
1409
1410     wxList::compatibility_iterator node = points->GetFirst();
1411     p = (wxPoint *)node->GetData();
1412     x1 = p->x;
1413     y1 = p->y;
1414
1415     node = node->GetNext();
1416     p = (wxPoint *)node->GetData();
1417     c = p->x;
1418     d = p->y;
1419     x3 =
1420          #if 0
1421          a =
1422          #endif
1423          (double)(x1 + c) / 2;
1424     y3 =
1425          #if 0
1426          b =
1427          #endif
1428          (double)(y1 + d) / 2;
1429
1430     PsPrintf( wxT("newpath\n")
1431               wxT("%d %d moveto\n")
1432               wxT("%d %d lineto\n"),
1433             LogicalToDeviceX((wxCoord)x1), LogicalToDeviceY((wxCoord)y1),
1434             LogicalToDeviceX((wxCoord)x3), LogicalToDeviceY((wxCoord)y3) );
1435
1436     CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1437     CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1438
1439     node = node->GetNext();
1440     while (node)
1441     {
1442         q = (wxPoint *)node->GetData();
1443
1444         x1 = x3;
1445         y1 = y3;
1446         x2 = c;
1447         y2 = d;
1448         c = q->x;
1449         d = q->y;
1450         x3 = (double)(x2 + c) / 2;
1451         y3 = (double)(y2 + d) / 2;
1452
1453         PsPrintf( wxT("%d %d %d %d %d %d DrawSplineSection\n"),
1454             LogicalToDeviceX((wxCoord)x1), LogicalToDeviceY((wxCoord)y1),
1455             LogicalToDeviceX((wxCoord)x2), LogicalToDeviceY((wxCoord)y2),
1456             LogicalToDeviceX((wxCoord)x3), LogicalToDeviceY((wxCoord)y3) );
1457
1458         CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1459         CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1460
1461         node = node->GetNext();
1462     }
1463
1464     /*
1465        At this point, (x2,y2) and (c,d) are the position of the
1466        next-to-last and last point respectively, in the point list
1467      */
1468
1469     PsPrintf( wxT("%d %d lineto\n")
1470               wxT("stroke\n"),
1471             LogicalToDeviceX((wxCoord)c), LogicalToDeviceY((wxCoord)d) );
1472 }
1473 #endif // wxUSE_SPLINES
1474
1475 wxCoord wxPostScriptDC::GetCharWidth() const
1476 {
1477     // Chris Breeze: reasonable approximation using wxMODERN/Courier
1478     return (wxCoord) (GetCharHeight() * 72.0 / 120.0);
1479 }
1480
1481
1482 void wxPostScriptDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
1483 {
1484     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1485
1486     m_signX = (xLeftRight ? 1 : -1);
1487     m_signY = (yBottomUp  ? 1 : -1);
1488
1489     ComputeScaleAndOrigin();
1490 }
1491
1492 void wxPostScriptDC::SetDeviceOrigin( wxCoord x, wxCoord y )
1493 {
1494     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1495
1496     int h = 0;
1497     int w = 0;
1498     GetSize( &w, &h );
1499
1500     wxDC::SetDeviceOrigin( x, h-y );
1501 }
1502
1503 void wxPostScriptDC::DoGetSize(int* width, int* height) const
1504 {
1505     wxPaperSize id = m_printData.GetPaperId();
1506
1507     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(id);
1508
1509     if (!paper) paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
1510
1511     int w = 595;
1512     int h = 842;
1513     if (paper)
1514     {
1515         w = paper->GetSizeDeviceUnits().x;
1516         h = paper->GetSizeDeviceUnits().y;
1517     }
1518
1519     if (m_printData.GetOrientation() == wxLANDSCAPE)
1520     {
1521         int tmp = w;
1522         w = h;
1523         h = tmp;
1524     }
1525
1526     if (width) *width = (int)(w * ms_PSScaleFactor);
1527     if (height) *height = (int)(h * ms_PSScaleFactor);
1528 }
1529
1530 void wxPostScriptDC::DoGetSizeMM(int *width, int *height) const
1531 {
1532     wxPaperSize id = m_printData.GetPaperId();
1533
1534     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(id);
1535
1536     if (!paper) paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
1537
1538     int w = 210;
1539     int h = 297;
1540     if (paper)
1541     {
1542         w = paper->GetWidth() / 10;
1543         h = paper->GetHeight() / 10;
1544     }
1545
1546     if (m_printData.GetOrientation() == wxLANDSCAPE)
1547     {
1548         int tmp = w;
1549         w = h;
1550         h = tmp;
1551     }
1552
1553     if (width) *width = w;
1554     if (height) *height = h;
1555 }
1556
1557 // Resolution in pixels per logical inch
1558 wxSize wxPostScriptDC::GetPPI(void) const
1559 {
1560     return wxSize((int)(72 * ms_PSScaleFactor),
1561                   (int)(72 * ms_PSScaleFactor));
1562 }
1563
1564
1565 bool wxPostScriptDC::StartDoc( const wxString& message )
1566 {
1567     wxCHECK_MSG( m_ok, false, wxT("invalid postscript dc") );
1568
1569     if (m_printData.GetPrintMode() != wxPRINT_MODE_STREAM )
1570     {
1571         if (m_printData.GetFilename() == wxEmptyString)
1572         {
1573             wxString filename = wxGetTempFileName( wxT("ps") );
1574             m_printData.SetFilename(filename);
1575         }
1576
1577         m_pstream = wxFopen( m_printData.GetFilename(), wxT("w+") );
1578
1579         if (!m_pstream)
1580         {
1581             wxLogError( _("Cannot open file for PostScript printing!"));
1582             m_ok = false;
1583             return false;
1584         }
1585     }
1586
1587     m_ok = true;
1588     m_title = message;
1589
1590     PsPrint( "%!PS-Adobe-2.0\n" );
1591     PsPrintf( wxT("%%%%Title: %s\n"), m_title.c_str() );
1592     PsPrint( "%%Creator: wxWidgets PostScript renderer\n" );
1593     PsPrintf( wxT("%%%%CreationDate: %s\n"), wxNow().c_str() );
1594     if (m_printData.GetOrientation() == wxLANDSCAPE)
1595         PsPrint( "%%Orientation: Landscape\n" );
1596     else
1597         PsPrint( "%%Orientation: Portrait\n" );
1598
1599     // PsPrintf( wxT("%%%%Pages: %d\n"), (wxPageNumber - 1) );
1600
1601     const wxChar *paper;
1602     switch (m_printData.GetPaperId())
1603     {
1604        case wxPAPER_LETTER: paper = wxT("Letter"); break;       // Letter: paper ""; 8 1/2 by 11 inches
1605        case wxPAPER_LEGAL: paper = wxT("Legal"); break;         // Legal, 8 1/2 by 14 inches
1606        case wxPAPER_A4: paper = wxT("A4"); break;               // A4 Sheet, 210 by 297 millimeters
1607        case wxPAPER_TABLOID: paper = wxT("Tabloid"); break;     // Tabloid, 11 by 17 inches
1608        case wxPAPER_LEDGER: paper = wxT("Ledger"); break;       // Ledger, 17 by 11 inches
1609        case wxPAPER_STATEMENT: paper = wxT("Statement"); break; // Statement, 5 1/2 by 8 1/2 inches
1610        case wxPAPER_EXECUTIVE: paper = wxT("Executive"); break; // Executive, 7 1/4 by 10 1/2 inches
1611        case wxPAPER_A3: paper = wxT("A3"); break;               // A3 sheet, 297 by 420 millimeters
1612        case wxPAPER_A5: paper = wxT("A5"); break;               // A5 sheet, 148 by 210 millimeters
1613        case wxPAPER_B4: paper = wxT("B4"); break;               // B4 sheet, 250 by 354 millimeters
1614        case wxPAPER_B5: paper = wxT("B5"); break;               // B5 sheet, 182-by-257-millimeter paper
1615        case wxPAPER_FOLIO: paper = wxT("Folio"); break;         // Folio, 8-1/2-by-13-inch paper
1616        case wxPAPER_QUARTO: paper = wxT("Quaro"); break;        // Quarto, 215-by-275-millimeter paper
1617        case wxPAPER_10X14: paper = wxT("10x14"); break;         // 10-by-14-inch sheet
1618        default: paper = wxT("A4");
1619     }
1620     PsPrintf( wxT("%%%%DocumentPaperSizes: %s\n"), paper );
1621     PsPrint( "%%EndComments\n\n" );
1622
1623     PsPrint( "%%BeginProlog\n" );
1624     PsPrint( wxPostScriptHeaderConicTo );
1625     PsPrint( wxPostScriptHeaderEllipse );
1626     PsPrint( wxPostScriptHeaderEllipticArc );
1627     PsPrint( wxPostScriptHeaderColourImage );
1628     PsPrint( wxPostScriptHeaderReencodeISO1 );
1629     PsPrint( wxPostScriptHeaderReencodeISO2 );
1630     if (wxPostScriptHeaderSpline)
1631         PsPrint( wxPostScriptHeaderSpline );
1632     PsPrint( "%%EndProlog\n" );
1633
1634     SetBrush( *wxBLACK_BRUSH );
1635     SetPen( *wxBLACK_PEN );
1636     SetBackground( *wxWHITE_BRUSH );
1637     SetTextForeground( *wxBLACK );
1638
1639     // set origin according to paper size
1640     SetDeviceOrigin( 0,0 );
1641
1642     wxPageNumber = 1;
1643     m_pageNumber = 1;
1644     return true;
1645 }
1646
1647 void wxPostScriptDC::EndDoc ()
1648 {
1649     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1650
1651     if (m_clipping)
1652     {
1653         m_clipping = false;
1654         PsPrint( "grestore\n" );
1655     }
1656
1657     if ( m_pstream ) {
1658         fclose( m_pstream );
1659         m_pstream = (FILE *) NULL;
1660     }
1661
1662 #if 0
1663     // THE FOLLOWING HAS BEEN CONTRIBUTED BY Andy Fyfe <andy@hyperparallel.com>
1664     wxCoord wx_printer_translate_x, wx_printer_translate_y;
1665     double wx_printer_scale_x, wx_printer_scale_y;
1666
1667     wx_printer_translate_x = (wxCoord)m_printData.GetPrinterTranslateX();
1668     wx_printer_translate_y = (wxCoord)m_printData.GetPrinterTranslateY();
1669
1670     wx_printer_scale_x = m_printData.GetPrinterScaleX();
1671     wx_printer_scale_y = m_printData.GetPrinterScaleY();
1672
1673     // Compute the bounding box.  Note that it is in the default user
1674     // coordinate system, thus we have to convert the values.
1675     wxCoord minX = (wxCoord) LogicalToDeviceX(m_minX);
1676     wxCoord minY = (wxCoord) LogicalToDeviceY(m_minY);
1677     wxCoord maxX = (wxCoord) LogicalToDeviceX(m_maxX);
1678     wxCoord maxY = (wxCoord) LogicalToDeviceY(m_maxY);
1679
1680     // LOG2DEV may have changed the minimum to maximum vice versa
1681     if ( minX > maxX ) { wxCoord tmp = minX; minX = maxX; maxX = tmp; }
1682     if ( minY > maxY ) { wxCoord tmp = minY; minY = maxY; maxY = tmp; }
1683
1684     // account for used scaling (boundingbox is before scaling in ps-file)
1685     double scale_x = m_printData.GetPrinterScaleX() / ms_PSScaleFactor;
1686     double scale_y = m_printData.GetPrinterScaleY() / ms_PSScaleFactor;
1687
1688     wxCoord llx, lly, urx, ury;
1689     llx = (wxCoord) ((minX+wx_printer_translate_x)*scale_x);
1690     lly = (wxCoord) ((minY+wx_printer_translate_y)*scale_y);
1691     urx = (wxCoord) ((maxX+wx_printer_translate_x)*scale_x);
1692     ury = (wxCoord) ((maxY+wx_printer_translate_y)*scale_y);
1693     // (end of bounding box computation)
1694
1695
1696     // If we're landscape, our sense of "x" and "y" is reversed.
1697     if (m_printData.GetOrientation() == wxLANDSCAPE)
1698     {
1699         wxCoord tmp;
1700         tmp = llx; llx = lly; lly = tmp;
1701         tmp = urx; urx = ury; ury = tmp;
1702
1703         // We need either the two lines that follow, or we need to subtract
1704         // min_x from real_translate_y, which is commented out below.
1705         llx = llx - (wxCoord)(m_minX*wx_printer_scale_y);
1706         urx = urx - (wxCoord)(m_minX*wx_printer_scale_y);
1707     }
1708
1709     // The Adobe specifications call for integers; we round as to make
1710     // the bounding larger.
1711     PsPrintf( wxT("%%%%BoundingBox: %d %d %d %d\n"),
1712             (wxCoord)floor((double)llx), (wxCoord)floor((double)lly),
1713             (wxCoord)ceil((double)urx), (wxCoord)ceil((double)ury) );
1714
1715     // To check the correctness of the bounding box, postscript commands
1716     // to draw a box corresponding to the bounding box are generated below.
1717     // But since we typically don't want to print such a box, the postscript
1718     // commands are generated within comments.  These lines appear before any
1719     // adjustment of scale, rotation, or translation, and hence are in the
1720     // default user coordinates.
1721     PsPrint( "% newpath\n" );
1722     PsPrintf( wxT("%% %d %d moveto\n"), llx, lly );
1723     PsPrintf( wxT("%% %d %d lineto\n"), urx, lly );
1724     PsPrintf( wxT("%% %d %d lineto\n"), urx, ury );
1725     PsPrintf( wxT("%% %d %d lineto closepath stroke\n"), llx, ury );
1726 #endif
1727
1728 #ifndef __WXMSW__
1729     wxPostScriptPrintNativeData *data =
1730         (wxPostScriptPrintNativeData *) m_printData.GetNativeData();
1731
1732     if (m_ok && (m_printData.GetPrintMode() == wxPRINT_MODE_PRINTER))
1733     {
1734         wxString command;
1735         command += data->GetPrinterCommand();
1736         command += wxT(" ");
1737         command += data->GetPrinterOptions();
1738         command += wxT(" ");
1739         command += m_printData.GetFilename();
1740
1741         wxExecute( command, true );
1742         wxRemoveFile( m_printData.GetFilename() );
1743     }
1744 #endif
1745 }
1746
1747 void wxPostScriptDC::StartPage()
1748 {
1749     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1750
1751     PsPrintf( wxT("%%%%Page: %d\n"), wxPageNumber++ );
1752
1753     //  What is this one supposed to do? RR.
1754 //  *m_pstream << "matrix currentmatrix\n";
1755
1756     // Added by Chris Breeze
1757
1758     // Each page starts with an "initgraphics" which resets the
1759     // transformation and so we need to reset the origin
1760     // (and rotate the page for landscape printing)
1761
1762     // Output scaling
1763     wxCoord translate_x, translate_y;
1764     double scale_x, scale_y;
1765
1766     wxPostScriptPrintNativeData *data =
1767         (wxPostScriptPrintNativeData *) m_printData.GetNativeData();
1768
1769     translate_x = (wxCoord)data->GetPrinterTranslateX();
1770     translate_y = (wxCoord)data->GetPrinterTranslateY();
1771
1772     scale_x = data->GetPrinterScaleX();
1773     scale_y = data->GetPrinterScaleY();
1774
1775     if (m_printData.GetOrientation() == wxLANDSCAPE)
1776     {
1777         int h;
1778         GetSize( (int*) NULL, &h );
1779         translate_y -= h;
1780         PsPrint( "90 rotate\n" );
1781         // I copied this one from a PostScript tutorial, but to no avail. RR.
1782         // PsPrint( "90 rotate llx neg ury nef translate\n" );
1783     }
1784
1785     char buffer[100];
1786     sprintf( buffer, "%.8f %.8f scale\n", scale_x / ms_PSScaleFactor,
1787             scale_y / ms_PSScaleFactor);
1788     for (int i = 0; i < 100; i++)
1789         if (buffer[i] == ',') buffer[i] = '.';
1790     PsPrint( buffer );
1791
1792     PsPrintf( wxT("%d %d translate\n"), translate_x, translate_y );
1793 }
1794
1795 void wxPostScriptDC::EndPage ()
1796 {
1797     wxCHECK_RET( m_ok , wxT("invalid postscript dc") );
1798
1799     PsPrint( "showpage\n" );
1800 }
1801
1802 bool wxPostScriptDC::DoBlit( wxCoord xdest, wxCoord ydest,
1803                            wxCoord fwidth, wxCoord fheight,
1804                            wxDC *source,
1805                            wxCoord xsrc, wxCoord ysrc,
1806                            int rop, bool WXUNUSED(useMask), wxCoord WXUNUSED(xsrcMask), wxCoord WXUNUSED(ysrcMask) )
1807 {
1808     wxCHECK_MSG( m_ok, false, wxT("invalid postscript dc") );
1809
1810     wxCHECK_MSG( source, false, wxT("invalid source dc") );
1811
1812     /* blit into a bitmap */
1813     wxBitmap bitmap( (int)fwidth, (int)fheight );
1814     wxMemoryDC memDC;
1815     memDC.SelectObject(bitmap);
1816     memDC.Blit(0, 0, fwidth, fheight, source, xsrc, ysrc, rop); /* TODO: Blit transparently? */
1817     memDC.SelectObject(wxNullBitmap);
1818
1819     /* draw bitmap. scaling and positioning is done there */
1820     DrawBitmap( bitmap, xdest, ydest );
1821
1822     return true;
1823 }
1824
1825 wxCoord wxPostScriptDC::GetCharHeight() const
1826 {
1827     if (m_font.Ok())
1828         return m_font.GetPointSize();
1829     else
1830         return 12;
1831 }
1832
1833 void wxPostScriptDC::DoGetTextExtent(const wxString& string,
1834                                      wxCoord *x, wxCoord *y,
1835                                      wxCoord *descent, wxCoord *externalLeading,
1836                                      wxFont *theFont ) const
1837 {
1838     wxFont *fontToUse = theFont;
1839
1840     if (!fontToUse) fontToUse = (wxFont*) &m_font;
1841
1842     wxCHECK_RET( fontToUse, wxT("GetTextExtent: no font defined") );
1843
1844     if (string.empty())
1845     {
1846         if (x) (*x) = 0;
1847         if (y) (*y) = 0;
1848         if (descent) (*descent) = 0;
1849         if (externalLeading) (*externalLeading) = 0;
1850         return;
1851     }
1852
1853    // GTK 2.0
1854
1855     const wxWX2MBbuf strbuf = string.mb_str();
1856
1857 #if !wxUSE_AFM_FOR_POSTSCRIPT
1858     /* Provide a VERY rough estimate (avoid using it).
1859      * Produces accurate results for mono-spaced font
1860      * such as Courier (aka wxMODERN) */
1861
1862     int height = 12;
1863     if (fontToUse)
1864     {
1865         height = fontToUse->GetPointSize();
1866     }
1867     if ( x )
1868         *x = strlen (strbuf) * height * 72 / 120;
1869     if ( y )
1870         *y = (wxCoord) (height * 1.32);    /* allow for descender */
1871     if (descent) *descent = 0;
1872     if (externalLeading) *externalLeading = 0;
1873 #else
1874
1875     /* method for calculating string widths in postscript:
1876     /  read in the AFM (adobe font metrics) file for the
1877     /  actual font, parse it and extract the character widths
1878     /  and also the descender. this may be improved, but for now
1879     /  it works well. the AFM file is only read in if the
1880     /  font is changed. this may be chached in the future.
1881     /  calls to GetTextExtent with the font unchanged are rather
1882     /  efficient!!!
1883     /
1884     /  for each font and style used there is an AFM file necessary.
1885     /  currently i have only files for the roman font family.
1886     /  I try to get files for the other ones!
1887     /
1888     /  CAVE: the size of the string is currently always calculated
1889     /        in 'points' (1/72 of an inch). this should later on be
1890     /        changed to depend on the mapping mode.
1891     /  CAVE: the path to the AFM files must be set before calling this
1892     /        function. this is usually done by a call like the following:
1893     /        wxSetAFMPath("d:\\wxw161\\afm\\");
1894     /
1895     /  example:
1896     /
1897     /    wxPostScriptDC dc(NULL, true);
1898     /    if (dc.Ok()){
1899     /      wxSetAFMPath("d:\\wxw161\\afm\\");
1900     /      dc.StartDoc("Test");
1901     /      dc.StartPage();
1902     /      wxCoord w,h;
1903     /      dc.SetFont(new wxFont(10, wxROMAN, wxNORMAL, wxNORMAL));
1904     /      dc.GetTextExtent("Hallo",&w,&h);
1905     /      dc.EndPage();
1906     /      dc.EndDoc();
1907     /    }
1908     /
1909     /  by steve (stefan.hammes@urz.uni-heidelberg.de)
1910     /  created: 10.09.94
1911     /  updated: 14.05.95 */
1912
1913     /* these static vars are for storing the state between calls */
1914     static int lastFamily= INT_MIN;
1915     static int lastSize= INT_MIN;
1916     static int lastStyle= INT_MIN;
1917     static int lastWeight= INT_MIN;
1918     static int lastDescender = INT_MIN;
1919     static int lastWidths[256]; /* widths of the characters */
1920
1921     double UnderlinePosition = 0.0;
1922     double UnderlineThickness = 0.0;
1923
1924     // Get actual parameters
1925     int Family = fontToUse->GetFamily();
1926     int Size =   fontToUse->GetPointSize();
1927     int Style =  fontToUse->GetStyle();
1928     int Weight = fontToUse->GetWeight();
1929
1930     // If we have another font, read the font-metrics
1931     if (Family!=lastFamily || Size!=lastSize || Style!=lastStyle || Weight!=lastWeight)
1932     {
1933         // Store actual values
1934         lastFamily = Family;
1935         lastSize =   Size;
1936         lastStyle =  Style;
1937         lastWeight = Weight;
1938
1939         const wxChar *name;
1940
1941         switch (Family)
1942         {
1943             case wxMODERN:
1944             case wxTELETYPE:
1945             {
1946                 if ((Style == wxITALIC) && (Weight == wxBOLD)) name = wxT("CourBoO.afm");
1947                 else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = wxT("CourBo.afm");
1948                 else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = wxT("CourO.afm");
1949                 else name = wxT("Cour.afm");
1950                 break;
1951             }
1952             case wxROMAN:
1953             {
1954                 if ((Style == wxITALIC) && (Weight == wxBOLD)) name = wxT("TimesBoO.afm");
1955                 else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = wxT("TimesBo.afm");
1956                 else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = wxT("TimesO.afm");
1957                 else name = wxT("TimesRo.afm");
1958                 break;
1959             }
1960             case wxSCRIPT:
1961             {
1962                 name = wxT("Zapf.afm");
1963                 break;
1964             }
1965             case wxSWISS:
1966             default:
1967             {
1968                 if ((Style == wxITALIC) && (Weight == wxBOLD)) name = wxT("HelvBoO.afm");
1969                 else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = wxT("HelvBo.afm");
1970                 else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = wxT("HelvO.afm");
1971                 else name = wxT("Helv.afm");
1972                 break;
1973             }
1974         }
1975
1976         FILE *afmFile = NULL;
1977
1978         // Get the directory of the AFM files
1979         wxString afmName;
1980
1981         // VZ: I don't know if the cast always works under Unix but it clearly
1982         //     never does under Windows where the pointer is
1983         //     wxWindowsPrintNativeData and so calling GetFontMetricPath() on
1984         //     it just crashes
1985 #ifndef __WIN32__
1986         wxPostScriptPrintNativeData *data =
1987             wxDynamicCast(m_printData.GetNativeData(), wxPostScriptPrintNativeData);
1988
1989         if (data && !data->GetFontMetricPath().empty())
1990         {
1991             afmName = data->GetFontMetricPath();
1992             afmName << wxFILE_SEP_PATH << name;
1993         }
1994 #endif // __WIN32__
1995
1996         if ( !afmName.empty() )
1997             afmFile = wxFopen(afmName, wxT("r"));
1998
1999         if ( !afmFile )
2000         {
2001 #if defined(__UNIX__) && !defined(__VMS__)
2002            afmName = wxGetDataDir();
2003 #else // !__UNIX__
2004            afmName = wxStandardPaths::Get().GetDataDir();
2005 #endif // __UNIX__/!__UNIX__
2006
2007            afmName <<  wxFILE_SEP_PATH
2008 #if defined(__LINUX__) || defined(__FREEBSD__)
2009                    << wxT("gs_afm") << wxFILE_SEP_PATH
2010 #else
2011                    << wxT("afm") << wxFILE_SEP_PATH
2012 #endif
2013                    << name;
2014            afmFile = wxFopen(afmName,wxT("r"));
2015         }
2016
2017         /* 2. open and process the file
2018            /  a short explanation of the AFM format:
2019            /  we have for each character a line, which gives its size
2020            /  e.g.:
2021            /
2022            /    C 63 ; WX 444 ; N question ; B 49 -14 395 676 ;
2023            /
2024            /  that means, we have a character with ascii code 63, and width
2025            /  (444/1000 * fontSize) points.
2026            /  the other data is ignored for now!
2027            /
2028            /  when the font has changed, we read in the right AFM file and store the
2029            /  character widths in an array, which is processed below (see point 3.). */
2030         if (afmFile==NULL)
2031         {
2032             wxLogDebug( wxT("GetTextExtent: can't open AFM file '%s'"), afmName.c_str() );
2033             wxLogDebug( wxT("               using approximate values"));
2034             for (int i=0; i<256; i++) lastWidths[i] = 500; /* an approximate value */
2035             lastDescender = -150; /* dito. */
2036         }
2037         else
2038         {
2039             /* init the widths array */
2040             for(int i=0; i<256; i++) lastWidths[i] = INT_MIN;
2041             /* some variables for holding parts of a line */
2042             char cString[10], semiString[10], WXString[10];
2043             char descString[20];
2044             char upString[30], utString[30];
2045             char encString[50];
2046             char line[256];
2047             int ascii,cWidth;
2048             /* read in the file and parse it */
2049             while(fgets(line,sizeof(line),afmFile)!=NULL)
2050             {
2051                 /* A.) check for descender definition */
2052                 if (strncmp(line,"Descender",9)==0)
2053                 {
2054                     if ((sscanf(line,"%s%d",descString,&lastDescender)!=2) ||
2055                             (strcmp(descString,"Descender")!=0))
2056                     {
2057                         wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad descender)"), afmName.c_str(),line );
2058                     }
2059                 }
2060                 /* JC 1.) check for UnderlinePosition */
2061                 else if(strncmp(line,"UnderlinePosition",17)==0)
2062                 {
2063                     if ((sscanf(line,"%s%lf",upString,&UnderlinePosition)!=2) ||
2064                             (strcmp(upString,"UnderlinePosition")!=0))
2065                     {
2066                         wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad UnderlinePosition)"), afmName.c_str(), line );
2067                     }
2068                 }
2069                 /* JC 2.) check for UnderlineThickness */
2070                 else if(strncmp(line,"UnderlineThickness",18)==0)
2071                 {
2072                     if ((sscanf(line,"%s%lf",utString,&UnderlineThickness)!=2) ||
2073                             (strcmp(utString,"UnderlineThickness")!=0))
2074                     {
2075                         wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad UnderlineThickness)"), afmName.c_str(), line );
2076                     }
2077                 }
2078                 /* JC 3.) check for EncodingScheme */
2079                 else if(strncmp(line,"EncodingScheme",14)==0)
2080                 {
2081                     if ((sscanf(line,"%s%s",utString,encString)!=2) ||
2082                             (strcmp(utString,"EncodingScheme")!=0))
2083                     {
2084                         wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad EncodingScheme)"), afmName.c_str(), line );
2085                     }
2086                     else if (strncmp(encString, "AdobeStandardEncoding", 21))
2087                     {
2088                         wxLogDebug( wxT("AFM-file '%s': line '%s' has error (unsupported EncodingScheme %s)"),
2089                                 afmName.c_str(),line, encString);
2090                     }
2091                 }
2092                 /* B.) check for char-width */
2093                 else if(strncmp(line,"C ",2)==0)
2094                 {
2095                     if (sscanf(line,"%s%d%s%s%d",cString,&ascii,semiString,WXString,&cWidth)!=5)
2096                     {
2097                         wxLogDebug(wxT("AFM-file '%s': line '%s' has an error (bad character width)"),afmName.c_str(),line);
2098                     }
2099                     if(strcmp(cString,"C")!=0 || strcmp(semiString,";")!=0 || strcmp(WXString,"WX")!=0)
2100                     {
2101                         wxLogDebug(wxT("AFM-file '%s': line '%s' has a format error"),afmName.c_str(),line);
2102                     }
2103                     /* printf("            char '%c'=%d has width '%d'\n",ascii,ascii,cWidth); */
2104                     if (ascii>=0 && ascii<256)
2105                     {
2106                         lastWidths[ascii] = cWidth; /* store width */
2107                     }
2108                     else
2109                     {
2110                         /* MATTHEW: this happens a lot; don't print an error */
2111                         /* wxLogDebug("AFM-file '%s': ASCII value %d out of range",afmName.c_str(),ascii); */
2112                     }
2113                 }
2114                 /* C.) ignore other entries. */
2115             }
2116             fclose(afmFile);
2117         }
2118         /* hack to compute correct values for german 'Umlaute'
2119            /  the correct way would be to map the character names
2120            /  like 'adieresis' to corresp. positions of ISOEnc and read
2121            /  these values from AFM files, too. Maybe later ... */
2122
2123         // NB: casts to int are needed to suppress gcc 3.3 warnings
2124         lastWidths[196] = lastWidths[(int)'A'];  // Ä
2125         lastWidths[228] = lastWidths[(int)'a'];  // ä
2126         lastWidths[214] = lastWidths[(int)'O'];  // Ö
2127         lastWidths[246] = lastWidths[(int)'o'];  // ö
2128         lastWidths[220] = lastWidths[(int)'U'];  // Ü
2129         lastWidths[252] = lastWidths[(int)'u'];  // ü
2130         lastWidths[223] = lastWidths[(int)251];  // ß
2131
2132         /* JC: calculate UnderlineThickness/UnderlinePosition */
2133
2134         // VS: dirty, but is there any better solution?
2135         double *pt;
2136         pt = (double*) &m_underlinePosition;
2137         *pt = LogicalToDeviceYRel((wxCoord)(UnderlinePosition * fontToUse->GetPointSize())) / 1000.0f;
2138         pt = (double*) &m_underlineThickness;
2139         *pt = LogicalToDeviceYRel((wxCoord)(UnderlineThickness * fontToUse->GetPointSize())) / 1000.0f;
2140
2141     }
2142
2143
2144     /* 3. now the font metrics are read in, calc size this
2145        /  is done by adding the widths of the characters in the
2146        /  string. they are given in 1/1000 of the size! */
2147
2148     long sum=0;
2149     wxCoord height=Size; /* by default */
2150     unsigned char *p;
2151     for(p=(unsigned char *)wxMBSTRINGCAST strbuf; *p; p++)
2152     {
2153         if(lastWidths[*p]== INT_MIN)
2154         {
2155             wxLogDebug(wxT("GetTextExtent: undefined width for character '%c' (%d)"), *p,*p);
2156             sum += lastWidths[(unsigned char)' ']; /* assume space */
2157         }
2158         else
2159         {
2160             sum += lastWidths[*p];
2161         }
2162     }
2163
2164     double widthSum = sum;
2165     widthSum *= Size;
2166     widthSum /= 1000.0F;
2167
2168     /* add descender to height (it is usually a negative value) */
2169     //if (lastDescender != INT_MIN)
2170     //{
2171     //    height += (wxCoord)(((-lastDescender)/1000.0F) * Size); /* MATTHEW: forgot scale */
2172     //}
2173     // - commented by V. Slavik - height already contains descender in it
2174     //   (judging from few experiments)
2175
2176     /* return size values */
2177     if ( x )
2178         *x = (wxCoord)widthSum;
2179     if ( y )
2180         *y = height;
2181
2182     /* return other parameters */
2183     if (descent)
2184     {
2185         if(lastDescender!=INT_MIN)
2186         {
2187             *descent = (wxCoord)(((-lastDescender)/1000.0F) * Size); /* MATTHEW: forgot scale */
2188         }
2189         else
2190         {
2191             *descent = 0;
2192         }
2193     }
2194
2195     /* currently no idea how to calculate this! */
2196     if (externalLeading) *externalLeading = 0;
2197 #endif
2198     // Use AFM
2199 }
2200
2201 // print postscript datas via required method (file, stream)
2202 void wxPostScriptDC::PsPrintf( const wxChar* fmt, ... )
2203 {
2204     va_list argptr;
2205     va_start(argptr, fmt);
2206
2207     PsPrint( wxString::FormatV( fmt, argptr ).c_str() );
2208 }
2209
2210 void wxPostScriptDC::PsPrint( const char* psdata )
2211 {
2212     wxPostScriptPrintNativeData *data =
2213         (wxPostScriptPrintNativeData *) m_printData.GetNativeData();
2214
2215     switch (m_printData.GetPrintMode())
2216     {
2217 #if wxUSE_STREAMS
2218         // append to output stream
2219         case wxPRINT_MODE_STREAM:
2220             {
2221                 wxOutputStream* outputstream = data->GetOutputStream();
2222                 wxCHECK_RET( outputstream, wxT("invalid outputstream") );
2223                 outputstream->Write( psdata, strlen( psdata ) );
2224             }
2225             break;
2226 #endif // wxUSE_STREAMS
2227
2228         // save data into file
2229         default:
2230             wxCHECK_RET( m_pstream, wxT("invalid postscript dc") );
2231             fwrite( psdata, 1, strlen( psdata ), m_pstream );
2232     }
2233 }
2234
2235 void wxPostScriptDC::PsPrint( int ch )
2236 {
2237     wxPostScriptPrintNativeData *data =
2238         (wxPostScriptPrintNativeData *) m_printData.GetNativeData();
2239
2240     switch (m_printData.GetPrintMode())
2241     {
2242 #if wxUSE_STREAMS
2243         // append to output stream
2244         case wxPRINT_MODE_STREAM:
2245             {
2246                 wxOutputStream* outputstream = data->GetOutputStream();
2247                 wxCHECK_RET( outputstream, wxT("invalid outputstream") );
2248                 outputstream->PutC( (char)ch );
2249             }
2250             break;
2251 #endif // wxUSE_STREAMS
2252
2253         // save data into file
2254         default:
2255             wxCHECK_RET( m_pstream, wxT("invalid postscript dc") );
2256             fputc( ch, m_pstream );
2257     }
2258 }
2259
2260 #endif // wxUSE_PRINTING_ARCHITECTURE && wxUSE_POSTSCRIPT
2261
2262 // vi:sts=4:sw=4:et