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/dcmemory.h"
  26 #include "wx/utils.h"
  27 #include "wx/intl.h"
  28 #include "wx/app.h"
  29 #include "wx/image.h"
  30 #include "wx/log.h"
  31 #include "wx/generic/dcpsg.h"
  32 #include "wx/prntbase.h"
  33 #include "wx/generic/prntdlgg.h"
  34 #include "wx/paper.h"
  35 #include "wx/filefn.h"
  36 #include "wx/math.h"
  37 #include "wx/stdpaths.h"
  38
  39 #ifdef __WXMSW__
  40
  41 #ifdef DrawText
  42 #undef DrawText
  43 #endif
  44
  45 #ifdef StartDoc
  46 #undef StartDoc
  47 #endif
  48
  49 #ifdef GetCharWidth
  50 #undef GetCharWidth
  51 #endif
  52
  53 #ifdef FindWindow
  54 #undef FindWindow
  55 #endif
  56
  57 #endif
  58
  59 //-----------------------------------------------------------------------------
  60 // start and end of document/page
  61 //-----------------------------------------------------------------------------
  62
  63 static const char *wxPostScriptHeaderConicTo = "\
  64 /conicto {\n\
  65     /to_y exch def\n\
  66     /to_x exch def\n\
  67     /conic_cntrl_y exch def\n\
  68     /conic_cntrl_x exch def\n\
  69     currentpoint\n\
  70     /p0_y exch def\n\
  71     /p0_x exch def\n\
  72     /p1_x p0_x conic_cntrl_x p0_x sub 2 3 div mul add def\n\
  73     /p1_y p0_y conic_cntrl_y p0_y sub 2 3 div mul add def\n\
  74     /p2_x p1_x to_x p0_x sub 1 3 div mul add def\n\
  75     /p2_y p1_y to_y p0_y sub 1 3 div mul add def\n\
  76     p1_x p1_y p2_x p2_y to_x to_y curveto\n\
  77 }  bind def\n\
  78 ";
  79
  80 static const char *wxPostScriptHeaderEllipse = "\
  81 /ellipsedict 8 dict def\n\
  82 ellipsedict /mtrx matrix put\n\
  83 /ellipse {\n\
  84     ellipsedict begin\n\
  85     /endangle exch def\n\
  86     /startangle exch def\n\
  87     /yrad exch def\n\
  88     /xrad exch def\n\
  89     /y exch def\n\
  90     /x exch def\n\
  91     /savematrix mtrx currentmatrix def\n\
  92     x y translate\n\
  93     xrad yrad scale\n\
  94     0 0 1 startangle endangle arc\n\
  95     savematrix setmatrix\n\
  96     end\n\
  97     } def\n\
  98 ";
  99
 100 static const char *wxPostScriptHeaderEllipticArc= "\
 101 /ellipticarcdict 8 dict def\n\
 102 ellipticarcdict /mtrx matrix put\n\
 103 /ellipticarc\n\
 104 { ellipticarcdict begin\n\
 105   /do_fill exch def\n\
 106   /endangle exch def\n\
 107   /startangle exch def\n\
 108   /yrad exch def\n\
 109   /xrad exch def \n\
 110   /y exch def\n\
 111   /x exch def\n\
 112   /savematrix mtrx currentmatrix def\n\
 113   x y translate\n\
 114   xrad yrad scale\n\
 115   do_fill { 0 0 moveto } if\n\
 116   0 0 1 startangle endangle arc\n\
 117   savematrix setmatrix\n\
 118   do_fill { fill }{ stroke } ifelse\n\
 119   end\n\
 120 } def\n";
 121
 122 static const char *wxPostScriptHeaderSpline = "\
 123 /DrawSplineSection {\n\
 124     /y3 exch def\n\
 125     /x3 exch def\n\
 126     /y2 exch def\n\
 127     /x2 exch def\n\
 128     /y1 exch def\n\
 129     /x1 exch def\n\
 130     /xa x1 x2 x1 sub 0.666667 mul add def\n\
 131     /ya y1 y2 y1 sub 0.666667 mul add def\n\
 132     /xb x3 x2 x3 sub 0.666667 mul add def\n\
 133     /yb y3 y2 y3 sub 0.666667 mul add def\n\
 134     x1 y1 lineto\n\
 135     xa ya xb yb x3 y3 curveto\n\
 136     } def\n\
 137 ";
 138
 139 static const char *wxPostScriptHeaderColourImage = "\
 140 % define 'colorimage' if it isn't defined\n\
 141 %   ('colortogray' and 'mergeprocs' come from xwd2ps\n\
 142 %     via xgrab)\n\
 143 /colorimage where   % do we know about 'colorimage'?\n\
 144   { pop }           % yes: pop off the 'dict' returned\n\
 145   {                 % no:  define one\n\
 146     /colortogray {  % define an RGB->I function\n\
 147       /rgbdata exch store    % call input 'rgbdata'\n\
 148       rgbdata length 3 idiv\n\
 149       /npixls exch store\n\
 150       /rgbindx 0 store\n\
 151       0 1 npixls 1 sub {\n\
 152         grays exch\n\
 153         rgbdata rgbindx       get 20 mul    % Red\n\
 154         rgbdata rgbindx 1 add get 32 mul    % Green\n\
 155         rgbdata rgbindx 2 add get 12 mul    % Blue\n\
 156         add add 64 idiv      % I = .5G + .31R + .18B\n\
 157         put\n\
 158         /rgbindx rgbindx 3 add store\n\
 159       } for\n\
 160       grays 0 npixls getinterval\n\
 161     } bind def\n\
 162 \n\
 163     % Utility procedure for colorimage operator.\n\
 164     % This procedure takes two procedures off the\n\
 165     % stack and merges them into a single procedure.\n\
 166 \n\
 167     /mergeprocs { % def\n\
 168       dup length\n\
 169       3 -1 roll\n\
 170       dup\n\
 171       length\n\
 172       dup\n\
 173       5 1 roll\n\
 174       3 -1 roll\n\
 175       add\n\
 176       array cvx\n\
 177       dup\n\
 178       3 -1 roll\n\
 179       0 exch\n\
 180       putinterval\n\
 181       dup\n\
 182       4 2 roll\n\
 183       putinterval\n\
 184     } bind def\n\
 185 \n\
 186     /colorimage { % def\n\
 187       pop pop     % remove 'false 3' operands\n\
 188       {colortogray} mergeprocs\n\
 189       image\n\
 190     } bind def\n\
 191   } ifelse          % end of 'false' case\n\
 192 ";
 193
 194 static char wxPostScriptHeaderReencodeISO1[] =
 195     "\n/reencodeISO {\n"
 196 "dup dup findfont dup length dict begin\n"
 197 "{ 1 index /FID ne { def }{ pop pop } ifelse } forall\n"
 198 "/Encoding ISOLatin1Encoding def\n"
 199 "currentdict end definefont\n"
 200 "} def\n"
 201 "/ISOLatin1Encoding [\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 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
 206 "/space/exclam/quotedbl/numbersign/dollar/percent/ampersand/quoteright\n"
 207 "/parenleft/parenright/asterisk/plus/comma/minus/period/slash\n"
 208 "/zero/one/two/three/four/five/six/seven/eight/nine/colon/semicolon\n"
 209 "/less/equal/greater/question/at/A/B/C/D/E/F/G/H/I/J/K/L/M/N\n"
 210 "/O/P/Q/R/S/T/U/V/W/X/Y/Z/bracketleft/backslash/bracketright\n"
 211 "/asciicircum/underscore/quoteleft/a/b/c/d/e/f/g/h/i/j/k/l/m\n"
 212 "/n/o/p/q/r/s/t/u/v/w/x/y/z/braceleft/bar/braceright/asciitilde\n"
 213 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
 214 "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n"
 215 "/.notdef/dotlessi/grave/acute/circumflex/tilde/macron/breve\n"
 216 "/dotaccent/dieresis/.notdef/ring/cedilla/.notdef/hungarumlaut\n";
 217
 218 static char wxPostScriptHeaderReencodeISO2[] =
 219 "/ogonek/caron/space/exclamdown/cent/sterling/currency/yen/brokenbar\n"
 220 "/section/dieresis/copyright/ordfeminine/guillemotleft/logicalnot\n"
 221 "/hyphen/registered/macron/degree/plusminus/twosuperior/threesuperior\n"
 222 "/acute/mu/paragraph/periodcentered/cedilla/onesuperior/ordmasculine\n"
 223 "/guillemotright/onequarter/onehalf/threequarters/questiondown\n"
 224 "/Agrave/Aacute/Acircumflex/Atilde/Adieresis/Aring/AE/Ccedilla\n"
 225 "/Egrave/Eacute/Ecircumflex/Edieresis/Igrave/Iacute/Icircumflex\n"
 226 "/Idieresis/Eth/Ntilde/Ograve/Oacute/Ocircumflex/Otilde/Odieresis\n"
 227 "/multiply/Oslash/Ugrave/Uacute/Ucircumflex/Udieresis/Yacute\n"
 228 "/Thorn/germandbls/agrave/aacute/acircumflex/atilde/adieresis\n"
 229 "/aring/ae/ccedilla/egrave/eacute/ecircumflex/edieresis/igrave\n"
 230 "/iacute/icircumflex/idieresis/eth/ntilde/ograve/oacute/ocircumflex\n"
 231 "/otilde/odieresis/divide/oslash/ugrave/uacute/ucircumflex/udieresis\n"
 232 "/yacute/thorn/ydieresis\n"
 233         "] def\n\n";
 234
 235 //-------------------------------------------------------------------------------
 236 // wxPostScriptDC
 237 //-------------------------------------------------------------------------------
 238
 239 IMPLEMENT_DYNAMIC_CLASS(wxPostScriptDC, wxDC)
 240
 241 float wxPostScriptDC::ms_PSScaleFactor = 1.0;
 242
 243 void wxPostScriptDC::SetResolution(int ppi)
 244 {
 245     ms_PSScaleFactor = (float)ppi / 72.0;
 246 }
 247
 248 int wxPostScriptDC::GetResolution()
 249 {
 250     return (int)(ms_PSScaleFactor * 72.0);
 251 }
 252
 253 //-------------------------------------------------------------------------------
 254
 255 wxPostScriptDC::wxPostScriptDC ()
 256 {
 257     m_pstream = (FILE*) NULL;
 258
 259     m_currentRed = 0;
 260     m_currentGreen = 0;
 261     m_currentBlue = 0;
 262
 263     m_pageNumber = 0;
 264
 265     m_clipping = false;
 266
 267     m_underlinePosition = 0.0;
 268     m_underlineThickness = 0.0;
 269
 270     m_signX =  1;  // default x-axis left to right
 271     m_signY = -1;  // default y-axis bottom up -> top down
 272 }
 273
 274 wxPostScriptDC::wxPostScriptDC (const wxPrintData& printData)
 275 {
 276     m_pstream = (FILE*) NULL;
 277
 278     m_currentRed = 0;
 279     m_currentGreen = 0;
 280     m_currentBlue = 0;
 281
 282     m_pageNumber = 0;
 283
 284     m_clipping = false;
 285
 286     m_underlinePosition = 0.0;
 287     m_underlineThickness = 0.0;
 288
 289     m_signX =  1;  // default x-axis left to right
 290     m_signY = -1;  // default y-axis bottom up -> top down
 291
 292     m_printData = printData;
 293
 294     m_ok = true;
 295 }
 296
 297 wxPostScriptDC::~wxPostScriptDC ()
 298 {
 299     if (m_pstream)
 300     {
 301         fclose( m_pstream );
 302         m_pstream = (FILE*) NULL;
 303     }
 304 }
 305
 306 bool wxPostScriptDC::Ok() const
 307 {
 308   return m_ok;
 309 }
 310
 311 void wxPostScriptDC::DoSetClippingRegion (wxCoord x, wxCoord y, wxCoord w, wxCoord h)
 312 {
 313     wxCHECK_RET( m_ok , wxT("invalid postscript dc") );
 314
 315     if (m_clipping) DestroyClippingRegion();
 316
 317     wxDC::DoSetClippingRegion(x, y, w, h);
 318
 319     m_clipping = true;
 320
 321     PsPrintf( wxT("gsave\n newpath\n")
 322               wxT("%d %d moveto\n")
 323               wxT("%d %d lineto\n")
 324               wxT("%d %d lineto\n")
 325               wxT("%d %d lineto\n")
 326               wxT("closepath clip newpath\n"),
 327             LogicalToDeviceX(x),   LogicalToDeviceY(y),
 328             LogicalToDeviceX(x+w), LogicalToDeviceY(y),
 329             LogicalToDeviceX(x+w), LogicalToDeviceY(y+h),
 330             LogicalToDeviceX(x),   LogicalToDeviceY(y+h) );
 331 }
 332
 333
 334 void wxPostScriptDC::DestroyClippingRegion()
 335 {
 336     wxCHECK_RET( m_ok , wxT("invalid postscript dc") );
 337
 338     if (m_clipping)
 339     {
 340         m_clipping = false;
 341         PsPrint( "grestore\n" );
 342     }
 343
 344     wxDC::DestroyClippingRegion();
 345 }
 346
 347 void wxPostScriptDC::Clear()
 348 {
 349     // This should fail silently to avoid unnecessary
 350     // asserts
 351     //    wxFAIL_MSG( wxT("wxPostScriptDC::Clear not implemented.") );
 352 }
 353
 354 bool wxPostScriptDC::DoFloodFill (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), const wxColour &WXUNUSED(col), int WXUNUSED(style))
 355 {
 356     wxFAIL_MSG( wxT("wxPostScriptDC::FloodFill not implemented.") );
 357     return false;
 358 }
 359
 360 bool wxPostScriptDC::DoGetPixel (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), wxColour * WXUNUSED(col)) const
 361 {
 362     wxFAIL_MSG( wxT("wxPostScriptDC::GetPixel not implemented.") );
 363     return false;
 364 }
 365
 366 void wxPostScriptDC::DoCrossHair (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y))
 367 {
 368     wxFAIL_MSG( wxT("wxPostScriptDC::CrossHair not implemented.") );
 369 }
 370
 371 void wxPostScriptDC::DoDrawLine (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
 372 {
 373     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 374
 375     if  (m_pen.GetStyle() == wxTRANSPARENT) return;
 376
 377     SetPen( m_pen );
 378
 379     PsPrintf( wxT("newpath\n")
 380               wxT("%d %d moveto\n")
 381               wxT("%d %d lineto\n")
 382               wxT("stroke\n"),
 383             LogicalToDeviceX(x1), LogicalToDeviceY(y1),
 384             LogicalToDeviceX(x2), LogicalToDeviceY (y2) );
 385
 386     CalcBoundingBox( x1, y1 );
 387     CalcBoundingBox( x2, y2 );
 388 }
 389
 390 #define RAD2DEG 57.29577951308
 391
 392 void wxPostScriptDC::DoDrawArc (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc)
 393 {
 394     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 395
 396     wxCoord dx = x1 - xc;
 397     wxCoord dy = y1 - yc;
 398     wxCoord radius = (wxCoord) sqrt( (double)(dx*dx+dy*dy) );
 399     double alpha1, alpha2;
 400
 401     if (x1 == x2 && y1 == y2)
 402     {
 403         alpha1 = 0.0;
 404         alpha2 = 360.0;
 405     }
 406     else if ( wxIsNullDouble(radius) )
 407     {
 408         alpha1 =
 409         alpha2 = 0.0;
 410     }
 411     else
 412     {
 413         alpha1 = (x1 - xc == 0) ?
 414             (y1 - yc < 0) ? 90.0 : -90.0 :
 415                 -atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
 416         alpha2 = (x2 - xc == 0) ?
 417             (y2 - yc < 0) ? 90.0 : -90.0 :
 418                 -atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
 419     }
 420     while (alpha1 <= 0)   alpha1 += 360;
 421     while (alpha2 <= 0)   alpha2 += 360; // adjust angles to be between
 422     while (alpha1 > 360)  alpha1 -= 360; // 0 and 360 degree
 423     while (alpha2 > 360)  alpha2 -= 360;
 424
 425     if (m_brush.GetStyle() != wxTRANSPARENT)
 426     {
 427         SetBrush( m_brush );
 428
 429         PsPrintf( wxT("newpath\n")
 430                   wxT("%d %d %d %d %d %d ellipse\n")
 431                   wxT("%d %d lineto\n")
 432                   wxT("closepath\n")
 433                   wxT("fill\n"),
 434                 LogicalToDeviceX(xc), LogicalToDeviceY(yc), LogicalToDeviceXRel(radius), LogicalToDeviceYRel(radius), (wxCoord)alpha1, (wxCoord) alpha2,
 435                 LogicalToDeviceX(xc), LogicalToDeviceY(yc) );
 436
 437         CalcBoundingBox( xc-radius, yc-radius );
 438         CalcBoundingBox( xc+radius, yc+radius );
 439     }
 440
 441     if (m_pen.GetStyle() != wxTRANSPARENT)
 442     {
 443         SetPen( m_pen );
 444
 445         PsPrintf( wxT("newpath\n")
 446                   wxT("%d %d %d %d %d %d ellipse\n")
 447                   wxT("%d %d lineto\n")
 448                   wxT("stroke\n")
 449                   wxT("fill\n"),
 450                 LogicalToDeviceX(xc), LogicalToDeviceY(yc), LogicalToDeviceXRel(radius), LogicalToDeviceYRel(radius), (wxCoord)alpha1, (wxCoord) alpha2,
 451                 LogicalToDeviceX(xc), LogicalToDeviceY(yc) );
 452
 453         CalcBoundingBox( xc-radius, yc-radius );
 454         CalcBoundingBox( xc+radius, yc+radius );
 455     }
 456 }
 457
 458 void wxPostScriptDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
 459 {
 460     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 461
 462     if ( sa >= 360 || sa <= -360 )
 463         sa -= int(sa/360)*360;
 464     if ( ea >= 360 || ea <=- 360 )
 465         ea -= int(ea/360)*360;
 466     if ( sa < 0 )
 467         sa += 360;
 468     if ( ea < 0 )
 469         ea += 360;
 470
 471     if ( wxIsSameDouble(sa, ea) )
 472     {
 473         DrawEllipse(x,y,w,h);
 474         return;
 475     }
 476
 477     if (m_brush.GetStyle () != wxTRANSPARENT)
 478     {
 479         SetBrush( m_brush );
 480
 481         PsPrintf( wxT("newpath\n")
 482                   wxT("%d %d %d %d %d %d true ellipticarc\n"),
 483                   LogicalToDeviceX(x+w/2), LogicalToDeviceY(y+h/2),
 484                   LogicalToDeviceXRel(w/2), LogicalToDeviceYRel(h/2),
 485                   (wxCoord)sa, (wxCoord)ea );
 486
 487         CalcBoundingBox( x ,y );
 488         CalcBoundingBox( x+w, y+h );
 489     }
 490
 491     if (m_pen.GetStyle () != wxTRANSPARENT)
 492     {
 493         SetPen( m_pen );
 494
 495         PsPrintf( wxT("newpath\n")
 496                   wxT("%d %d %d %d %d %d false ellipticarc\n"),
 497                 LogicalToDeviceX(x+w/2), LogicalToDeviceY(y+h/2),
 498                 LogicalToDeviceXRel(w/2), LogicalToDeviceYRel(h/2),
 499                 (wxCoord)sa, (wxCoord)ea );
 500
 501         CalcBoundingBox( x ,y );
 502         CalcBoundingBox( x+w, y+h );
 503     }
 504 }
 505
 506 void wxPostScriptDC::DoDrawPoint (wxCoord x, wxCoord y)
 507 {
 508     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 509
 510     if (m_pen.GetStyle() == wxTRANSPARENT) return;
 511
 512     SetPen (m_pen);
 513
 514     PsPrintf( wxT("newpath\n")
 515               wxT("%d %d moveto\n")
 516               wxT("%d %d lineto\n")
 517               wxT("stroke\n"),
 518             LogicalToDeviceX(x),   LogicalToDeviceY(y),
 519             LogicalToDeviceX(x+1), LogicalToDeviceY(y) );
 520
 521     CalcBoundingBox( x, y );
 522 }
 523
 524 void wxPostScriptDC::DoDrawPolygon (int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
 525 {
 526     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 527
 528     if (n <= 0) return;
 529
 530     if (m_brush.GetStyle () != wxTRANSPARENT)
 531     {
 532         SetBrush( m_brush );
 533
 534         PsPrint( "newpath\n" );
 535
 536         wxCoord xx = LogicalToDeviceX(points[0].x + xoffset);
 537         wxCoord yy = LogicalToDeviceY(points[0].y + yoffset);
 538
 539         PsPrintf( wxT("%d %d moveto\n"), xx, yy );
 540
 541         CalcBoundingBox( points[0].x + xoffset, points[0].y + yoffset );
 542
 543         for (int i = 1; i < n; i++)
 544         {
 545             xx = LogicalToDeviceX(points[i].x + xoffset);
 546             yy = LogicalToDeviceY(points[i].y + yoffset);
 547
 548             PsPrintf( wxT("%d %d lineto\n"), xx, yy );
 549
 550             CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset);
 551         }
 552
 553         PsPrint( (fillStyle == wxODDEVEN_RULE ? "eofill\n" : "fill\n") );
 554     }
 555
 556     if (m_pen.GetStyle () != wxTRANSPARENT)
 557     {
 558         SetPen( m_pen );
 559
 560         PsPrint( "newpath\n" );
 561
 562         wxCoord xx = LogicalToDeviceX(points[0].x + xoffset);
 563         wxCoord yy = LogicalToDeviceY(points[0].y + yoffset);
 564
 565         PsPrintf( wxT("%d %d moveto\n"), xx, yy );
 566
 567         CalcBoundingBox( points[0].x + xoffset, points[0].y + yoffset );
 568
 569         for (int i = 1; i < n; i++)
 570         {
 571             xx = LogicalToDeviceX(points[i].x + xoffset);
 572             yy = LogicalToDeviceY(points[i].y + yoffset);
 573
 574             PsPrintf( wxT("%d %d lineto\n"), xx, yy );
 575
 576             CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset);
 577         }
 578
 579         PsPrint( "closepath\n" );
 580         PsPrint( "stroke\n" );
 581     }
 582 }
 583
 584 void wxPostScriptDC::DoDrawPolyPolygon (int n, int count[], wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
 585 {
 586     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 587
 588     if (n <= 0) return;
 589
 590     if (m_brush.GetStyle () != wxTRANSPARENT)
 591     {
 592         SetBrush( m_brush );
 593
 594         PsPrint( "newpath\n" );
 595
 596         int ofs = 0;
 597         for (int i = 0; i < n; ofs += count[i++])
 598         {
 599             wxCoord xx = LogicalToDeviceX(points[ofs].x + xoffset);
 600             wxCoord yy = LogicalToDeviceY(points[ofs].y + yoffset);
 601
 602             PsPrintf( wxT("%d %d moveto\n"), xx, yy );
 603
 604             CalcBoundingBox( points[ofs].x + xoffset, points[ofs].y + yoffset );
 605
 606             for (int j = 1; j < count[i]; j++)
 607             {
 608                 xx = LogicalToDeviceX(points[ofs+j].x + xoffset);
 609                 yy = LogicalToDeviceY(points[ofs+j].y + yoffset);
 610
 611                 PsPrintf( wxT("%d %d lineto\n"), xx, yy );
 612
 613                 CalcBoundingBox( points[ofs+j].x + xoffset, points[ofs+j].y + yoffset);
 614             }
 615         }
 616         PsPrint( (fillStyle == wxODDEVEN_RULE ? "eofill\n" : "fill\n") );
 617     }
 618
 619     if (m_pen.GetStyle () != wxTRANSPARENT)
 620     {
 621         SetPen( m_pen );
 622
 623         PsPrint( "newpath\n" );
 624
 625         int ofs = 0;
 626         for (int i = 0; i < n; ofs += count[i++])
 627         {
 628             wxCoord xx = LogicalToDeviceX(points[ofs].x + xoffset);
 629             wxCoord yy = LogicalToDeviceY(points[ofs].y + yoffset);
 630
 631             PsPrintf( wxT("%d %d moveto\n"), xx, yy );
 632
 633             CalcBoundingBox( points[ofs].x + xoffset, points[ofs].y + yoffset );
 634
 635             for (int j = 1; j < count[i]; j++)
 636             {
 637                 xx = LogicalToDeviceX(points[ofs+j].x + xoffset);
 638                 yy = LogicalToDeviceY(points[ofs+j].y + yoffset);
 639
 640                 PsPrintf( wxT("%d %d lineto\n"), xx, yy );
 641
 642                 CalcBoundingBox( points[ofs+j].x + xoffset, points[ofs+j].y + yoffset);
 643             }
 644         }
 645         PsPrint( "closepath\n" );
 646         PsPrint( "stroke\n" );
 647     }
 648 }
 649
 650 void wxPostScriptDC::DoDrawLines (int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
 651 {
 652     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 653
 654     if (m_pen.GetStyle() == wxTRANSPARENT) return;
 655
 656     if (n <= 0) return;
 657
 658     SetPen (m_pen);
 659
 660     int i;
 661     for ( i =0; i<n ; i++ )
 662     {
 663         CalcBoundingBox( LogicalToDeviceX(points[i].x+xoffset), LogicalToDeviceY(points[i].y+yoffset));
 664     }
 665
 666     PsPrintf( wxT("newpath\n")
 667               wxT("%d %d moveto\n"),
 668               LogicalToDeviceX(points[0].x+xoffset),
 669               LogicalToDeviceY(points[0].y+yoffset) );
 670
 671     for (i = 1; i < n; i++)
 672     {
 673         PsPrintf( wxT("%d %d lineto\n"),
 674                   LogicalToDeviceX(points[i].x+xoffset),
 675                   LogicalToDeviceY(points[i].y+yoffset) );
 676     }
 677
 678     PsPrint( "stroke\n" );
 679 }
 680
 681 void wxPostScriptDC::DoDrawRectangle (wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 682 {
 683     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 684
 685     if (m_brush.GetStyle () != wxTRANSPARENT)
 686     {
 687         SetBrush( m_brush );
 688
 689         PsPrintf( wxT("newpath\n")
 690                   wxT("%d %d moveto\n")
 691                   wxT("%d %d lineto\n")
 692                   wxT("%d %d lineto\n")
 693                   wxT("%d %d lineto\n")
 694                   wxT("closepath\n")
 695                   wxT("fill\n"),
 696                 LogicalToDeviceX(x),         LogicalToDeviceY(y),
 697                 LogicalToDeviceX(x + width), LogicalToDeviceY(y),
 698                 LogicalToDeviceX(x + width), LogicalToDeviceY(y + height),
 699                 LogicalToDeviceX(x),         LogicalToDeviceY(y + height) );
 700
 701         CalcBoundingBox( x, y );
 702         CalcBoundingBox( x + width, y + height );
 703     }
 704
 705     if (m_pen.GetStyle () != wxTRANSPARENT)
 706     {
 707         SetPen (m_pen);
 708
 709         PsPrintf( wxT("newpath\n")
 710                   wxT("%d %d moveto\n")
 711                   wxT("%d %d lineto\n")
 712                   wxT("%d %d lineto\n")
 713                   wxT("%d %d lineto\n")
 714                   wxT("closepath\n")
 715                   wxT("stroke\n"),
 716                 LogicalToDeviceX(x),         LogicalToDeviceY(y),
 717                 LogicalToDeviceX(x + width), LogicalToDeviceY(y),
 718                 LogicalToDeviceX(x + width), LogicalToDeviceY(y + height),
 719                 LogicalToDeviceX(x),         LogicalToDeviceY(y + height) );
 720
 721         CalcBoundingBox( x, y );
 722         CalcBoundingBox( x + width, y + height );
 723     }
 724 }
 725
 726 void wxPostScriptDC::DoDrawRoundedRectangle (wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
 727 {
 728     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 729
 730     if (radius < 0.0)
 731     {
 732         // Now, a negative radius is interpreted to mean
 733         // 'the proportion of the smallest X or Y dimension'
 734         double smallest = width < height ? width : height;
 735         radius =  (-radius * smallest);
 736     }
 737
 738     wxCoord rad = (wxCoord) radius;
 739
 740     if (m_brush.GetStyle () != wxTRANSPARENT)
 741     {
 742         SetBrush( m_brush );
 743
 744         /* Draw rectangle anticlockwise */
 745         PsPrintf( wxT("newpath\n")
 746                   wxT("%d %d %d 90 180 arc\n")
 747                   wxT("%d %d lineto\n")
 748                   wxT("%d %d %d 180 270 arc\n")
 749                   wxT("%d %d lineto\n")
 750                   wxT("%d %d %d 270 0 arc\n")
 751                   wxT("%d %d lineto\n")
 752                   wxT("%d %d %d 0 90 arc\n")
 753                   wxT("%d %d lineto\n")
 754                   wxT("closepath\n")
 755                   wxT("fill\n"),
 756                 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
 757                 LogicalToDeviceX(x), LogicalToDeviceY(y + height - rad),
 758                 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
 759                 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height),
 760                 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
 761                 LogicalToDeviceX(x + width), LogicalToDeviceY(y + rad),
 762                 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
 763                 LogicalToDeviceX(x + rad), LogicalToDeviceY(y) );
 764
 765         CalcBoundingBox( x, y );
 766         CalcBoundingBox( x + width, y + height );
 767     }
 768
 769     if (m_pen.GetStyle () != wxTRANSPARENT)
 770     {
 771         SetPen (m_pen);
 772
 773         /* Draw rectangle anticlockwise */
 774         PsPrintf( wxT("newpath\n")
 775                   wxT("%d %d %d 90 180 arc\n")
 776                   wxT("%d %d lineto\n")
 777                   wxT("%d %d %d 180 270 arc\n")
 778                   wxT("%d %d lineto\n")
 779                   wxT("%d %d %d 270 0 arc\n")
 780                   wxT("%d %d lineto\n")
 781                   wxT("%d %d %d 0 90 arc\n")
 782                   wxT("%d %d lineto\n")
 783                   wxT("closepath\n")
 784                   wxT("stroke\n"),
 785                 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
 786                 LogicalToDeviceX(x), LogicalToDeviceY(y + height - rad),
 787                 LogicalToDeviceX(x + rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
 788                 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height),
 789                 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
 790                 LogicalToDeviceX(x + width), LogicalToDeviceY(y + rad),
 791                 LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
 792                 LogicalToDeviceX(x + rad), LogicalToDeviceY(y) );
 793
 794         CalcBoundingBox( x, y );
 795         CalcBoundingBox( x + width, y + height );
 796     }
 797 }
 798
 799 void wxPostScriptDC::DoDrawEllipse (wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 800 {
 801     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 802
 803     if (m_brush.GetStyle () != wxTRANSPARENT)
 804     {
 805         SetBrush (m_brush);
 806
 807         PsPrintf( wxT("newpath\n")
 808                   wxT("%d %d %d %d 0 360 ellipse\n")
 809                   wxT("fill\n"),
 810                 LogicalToDeviceX(x + width / 2), LogicalToDeviceY(y + height / 2),
 811                 LogicalToDeviceXRel(width / 2), LogicalToDeviceYRel(height / 2) );
 812
 813         CalcBoundingBox( x - width, y - height );
 814         CalcBoundingBox( x + width, y + height );
 815     }
 816
 817     if (m_pen.GetStyle () != wxTRANSPARENT)
 818     {
 819         SetPen (m_pen);
 820
 821         PsPrintf( wxT("newpath\n")
 822                   wxT("%d %d %d %d 0 360 ellipse\n")
 823                   wxT("stroke\n"),
 824                 LogicalToDeviceX(x + width / 2), LogicalToDeviceY(y + height / 2),
 825                 LogicalToDeviceXRel(width / 2), LogicalToDeviceYRel(height / 2) );
 826
 827         CalcBoundingBox( x - width, y - height );
 828         CalcBoundingBox( x + width, y + height );
 829     }
 830 }
 831
 832 void wxPostScriptDC::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
 833 {
 834     DrawBitmap( icon, x, y, true );
 835 }
 836
 837 /* this has to be char, not wxChar */
 838 static char hexArray[] = "0123456789ABCDEF";
 839
 840 void wxPostScriptDC::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool WXUNUSED(useMask) )
 841 {
 842     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 843
 844     if (!bitmap.Ok()) return;
 845
 846     wxImage image = bitmap.ConvertToImage();
 847
 848     if (!image.Ok()) return;
 849
 850     wxCoord w = image.GetWidth();
 851     wxCoord h = image.GetHeight();
 852
 853     wxCoord ww = LogicalToDeviceXRel(image.GetWidth());
 854     wxCoord hh = LogicalToDeviceYRel(image.GetHeight());
 855
 856     wxCoord xx = LogicalToDeviceX(x);
 857     wxCoord yy = LogicalToDeviceY(y + bitmap.GetHeight());
 858
 859     PsPrintf( wxT("/origstate save def\n")
 860               wxT("20 dict begin\n")
 861               wxT("/pix %d string def\n")
 862               wxT("/grays %d string def\n")
 863               wxT("/npixels 0 def\n")
 864               wxT("/rgbindx 0 def\n")
 865               wxT("%d %d translate\n")
 866               wxT("%d %d scale\n")
 867               wxT("%d %d 8\n")
 868               wxT("[%d 0 0 %d 0 %d]\n")
 869               wxT("{currentfile pix readhexstring pop}\n")
 870               wxT("false 3 colorimage\n"),
 871             w, w, xx, yy, ww, hh, w, h, w, -h, h );
 872
 873     unsigned char* data = image.GetData();
 874
 875     /* buffer = line = width*rgb(3)*hexa(2)+'\n'(1)+null(1) */
 876     char* buffer = new char[ w*6+2 ];
 877     int firstDigit, secondDigit;
 878
 879     //rows
 880     for (int j = 0; j < h; j++)
 881     {
 882         char* bufferindex = buffer;
 883
 884         //cols
 885         for (int i = 0; i < w*3; i++)
 886         {
 887             firstDigit = (int)(*data/16.0);
 888             secondDigit = (int)(*data - (firstDigit*16.0));
 889             *(bufferindex++) = hexArray[firstDigit];
 890             *(bufferindex++) = hexArray[secondDigit];
 891
 892             data++;
 893         }
 894         *(bufferindex++) = '\n';
 895         *bufferindex = 0;
 896         PsPrint( buffer );
 897     }
 898
 899     PsPrint( "end\n" );
 900     PsPrint( "origstate restore\n" );
 901 }
 902
 903 void wxPostScriptDC::SetFont( const wxFont& font )
 904 {
 905     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 906
 907     if (!font.Ok())  return;
 908
 909     m_font = font;
 910
 911     int Style = m_font.GetStyle();
 912     int Weight = m_font.GetWeight();
 913
 914     const char *name;
 915     switch (m_font.GetFamily())
 916     {
 917         case wxTELETYPE:
 918         case wxMODERN:
 919         {
 920             if (Style == wxITALIC)
 921             {
 922                 if (Weight == wxBOLD)
 923                     name = "/Courier-BoldOblique";
 924                 else
 925                     name = "/Courier-Oblique";
 926             }
 927             else
 928             {
 929                 if (Weight == wxBOLD)
 930                     name = "/Courier-Bold";
 931                 else
 932                     name = "/Courier";
 933             }
 934             break;
 935         }
 936         case wxROMAN:
 937         {
 938             if (Style == wxITALIC)
 939             {
 940                 if (Weight == wxBOLD)
 941                     name = "/Times-BoldItalic";
 942                 else
 943                     name = "/Times-Italic";
 944             }
 945             else
 946             {
 947                 if (Weight == wxBOLD)
 948                     name = "/Times-Bold";
 949                 else
 950                     name = "/Times-Roman";
 951             }
 952             break;
 953         }
 954         case wxSCRIPT:
 955         {
 956             name = "/ZapfChancery-MediumItalic";
 957             break;
 958         }
 959         case wxSWISS:
 960         default:
 961         {
 962             if (Style == wxITALIC)
 963             {
 964                 if (Weight == wxBOLD)
 965                     name = "/Helvetica-BoldOblique";
 966                 else
 967                     name = "/Helvetica-Oblique";
 968             }
 969             else
 970             {
 971                 if (Weight == wxBOLD)
 972                     name = "/Helvetica-Bold";
 973                 else
 974                     name = "/Helvetica";
 975             }
 976             break;
 977         }
 978     }
 979
 980     // We may legitimately call SetFont before BeginDoc
 981     if (!m_pstream)
 982         return;
 983
 984     PsPrint( name );
 985     PsPrint( " reencodeISO def\n" );
 986     PsPrint( name );
 987     PsPrint( " findfont\n" );
 988
 989     char buffer[100];
 990     sprintf( buffer, "%f scalefont setfont\n", LogicalToDeviceYRel(m_font.GetPointSize() * 1000) / 1000.0F);
 991     // this is a hack - we must scale font size (in pts) according to m_scaleY but
 992     // LogicalToDeviceYRel works with wxCoord type (int or longint). Se we first convert font size
 993     // to 1/1000th of pt and then back.
 994     for (int i = 0; i < 100; i++)
 995         if (buffer[i] == ',') buffer[i] = '.';
 996     PsPrint( buffer );
 997 }
 998
 999 void wxPostScriptDC::SetPen( const wxPen& pen )
1000 {
1001     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1002
1003     if (!pen.Ok()) return;
1004
1005     int oldStyle = m_pen.GetStyle();
1006
1007     m_pen = pen;
1008
1009     char buffer[100];
1010     sprintf( buffer, "%f setlinewidth\n", LogicalToDeviceXRel(1000 * m_pen.GetWidth()) / 1000.0f );
1011     for (int i = 0; i < 100; i++)
1012         if (buffer[i] == ',') buffer[i] = '.';
1013     PsPrint( buffer );
1014
1015 /*
1016      Line style - WRONG: 2nd arg is OFFSET
1017
1018      Here, I'm afraid you do not conceive meaning of parameters of 'setdash'
1019      operator correctly. You should look-up this in the Red Book: the 2nd parame-
1020      ter is not number of values in the array of the first one, but an offset
1021      into this description of the pattern. I mean a real *offset* not index
1022      into array. I.e. If the command is [3 4] 1 setdash   is used, then there
1023      will be first black line *2* units wxCoord, then space 4 units, then the
1024      pattern of *3* units black, 4 units space will be repeated.
1025 */
1026
1027     static const char *dotted = "[2 5] 2";
1028     static const char *short_dashed = "[4 4] 2";
1029     static const char *wxCoord_dashed = "[4 8] 2";
1030     static const char *dotted_dashed = "[6 6 2 6] 4";
1031
1032     const char *psdash;
1033
1034     switch (m_pen.GetStyle())
1035     {
1036         case wxDOT:           psdash = dotted;         break;
1037         case wxSHORT_DASH:    psdash = short_dashed;   break;
1038         case wxLONG_DASH:     psdash = wxCoord_dashed; break;
1039         case wxDOT_DASH:      psdash = dotted_dashed;  break;
1040         case wxUSER_DASH:
1041         {
1042             wxDash *dashes;
1043             int nDashes = m_pen.GetDashes (&dashes);
1044             PsPrint ("[");
1045             for (int i = 0; i < nDashes; ++i)
1046             {
1047                 sprintf( buffer, "%d ", dashes [i] );
1048                 PsPrint( buffer );
1049             }
1050             PsPrint ("] 0 setdash\n");
1051             psdash = 0;
1052         }
1053         break;
1054         case wxSOLID:
1055         case wxTRANSPARENT:
1056         default:              psdash = "[] 0";         break;
1057     }
1058
1059     if ( psdash && (oldStyle != m_pen.GetStyle()) )
1060     {
1061         PsPrint( psdash );
1062         PsPrint( " setdash\n" );
1063     }
1064
1065     // Line colour
1066     unsigned char red = m_pen.GetColour().Red();
1067     unsigned char blue = m_pen.GetColour().Blue();
1068     unsigned char green = m_pen.GetColour().Green();
1069
1070     if (!m_colour)
1071     {
1072         // Anything not white is black
1073         if (! (red == (unsigned char) 255 &&
1074                blue == (unsigned char) 255 &&
1075                green == (unsigned char) 255) )
1076         {
1077             red = (unsigned char) 0;
1078             green = (unsigned char) 0;
1079             blue = (unsigned char) 0;
1080         }
1081         // setgray here ?
1082     }
1083
1084     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1085     {
1086         double redPS = (double)(red) / 255.0;
1087         double bluePS = (double)(blue) / 255.0;
1088         double greenPS = (double)(green) / 255.0;
1089
1090         sprintf( buffer,
1091             "%.8f %.8f %.8f setrgbcolor\n",
1092             redPS, greenPS, bluePS );
1093         for (int i = 0; i < 100; i++)
1094             if (buffer[i] == ',') buffer[i] = '.';
1095
1096         PsPrint( buffer );
1097
1098         m_currentRed = red;
1099         m_currentBlue = blue;
1100         m_currentGreen = green;
1101     }
1102 }
1103
1104 void wxPostScriptDC::SetBrush( const wxBrush& brush )
1105 {
1106     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1107
1108     if (!brush.Ok()) return;
1109
1110     m_brush = brush;
1111
1112     // Brush colour
1113     unsigned char red = m_brush.GetColour().Red();
1114     unsigned char blue = m_brush.GetColour().Blue();
1115     unsigned char green = m_brush.GetColour().Green();
1116
1117     if (!m_colour)
1118     {
1119         // Anything not white is black
1120         if (! (red == (unsigned char) 255 &&
1121                blue == (unsigned char) 255 &&
1122                green == (unsigned char) 255) )
1123         {
1124             red = (unsigned char) 0;
1125             green = (unsigned char) 0;
1126             blue = (unsigned char) 0;
1127         }
1128         // setgray here ?
1129     }
1130
1131     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1132     {
1133         double redPS = (double)(red) / 255.0;
1134         double bluePS = (double)(blue) / 255.0;
1135         double greenPS = (double)(green) / 255.0;
1136
1137         char buffer[100];
1138         sprintf( buffer,
1139                 "%.8f %.8f %.8f setrgbcolor\n",
1140                 redPS, greenPS, bluePS );
1141         for (int i = 0; i < 100; i++)
1142             if (buffer[i] == ',') buffer[i] = '.';
1143
1144         PsPrint( buffer );
1145
1146         m_currentRed = red;
1147         m_currentBlue = blue;
1148         m_currentGreen = green;
1149     }
1150 }
1151
1152 void wxPostScriptDC::DoDrawText( const wxString& text, wxCoord x, wxCoord y )
1153 {
1154     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1155
1156     if (m_textForegroundColour.Ok())
1157     {
1158         unsigned char red = m_textForegroundColour.Red();
1159         unsigned char blue = m_textForegroundColour.Blue();
1160         unsigned char green = m_textForegroundColour.Green();
1161
1162         if (!m_colour)
1163         {
1164             // Anything not white is black
1165             if (! (red == (unsigned char) 255 &&
1166                         blue == (unsigned char) 255 &&
1167                         green == (unsigned char) 255))
1168             {
1169                 red = (unsigned char) 0;
1170                 green = (unsigned char) 0;
1171                 blue = (unsigned char) 0;
1172             }
1173         }
1174
1175         // maybe setgray here ?
1176         if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1177         {
1178             double redPS = (double)(red) / 255.0;
1179             double bluePS = (double)(blue) / 255.0;
1180             double greenPS = (double)(green) / 255.0;
1181
1182             char buffer[100];
1183             sprintf( buffer,
1184                 "%.8f %.8f %.8f setrgbcolor\n",
1185                 redPS, greenPS, bluePS );
1186             for (size_t i = 0; i < strlen(buffer); i++)
1187                 if (buffer[i] == ',') buffer[i] = '.';
1188             PsPrint( buffer );
1189
1190             m_currentRed = red;
1191             m_currentBlue = blue;
1192             m_currentGreen = green;
1193         }
1194     }
1195
1196     wxCoord text_w, text_h, text_descent;
1197
1198     GetTextExtent(text, &text_w, &text_h, &text_descent);
1199
1200     // VZ: this seems to be unnecessary, so taking it out for now, if it
1201     //     doesn't create any problems, remove this comment entirely
1202     //SetFont( m_font );
1203
1204
1205     int size = m_font.GetPointSize();
1206
1207 //    wxCoord by = y + (wxCoord)floor( double(size) * 2.0 / 3.0 ); // approximate baseline
1208 //    commented by V. Slavik and replaced by accurate version
1209 //        - note that there is still rounding error in text_descent!
1210     wxCoord by = y + size - text_descent; // baseline
1211
1212     PsPrintf( wxT("%d %d moveto\n"), LogicalToDeviceX(x), LogicalToDeviceY(by) );
1213     PsPrint( "(" );
1214
1215     const wxWX2MBbuf textbuf = text.mb_str();
1216     size_t len = strlen(textbuf);
1217     size_t i;
1218     for (i = 0; i < len; i++)
1219     {
1220         int c = (unsigned char) textbuf[i];
1221         if (c == ')' || c == '(' || c == '\\')
1222         {
1223             /* Cope with special characters */
1224             PsPrint( "\\" );
1225             PsPrint(c);
1226         }
1227         else if ( c >= 128 )
1228         {
1229             /* Cope with character codes > 127 */
1230             PsPrintf( wxT("\\%o"), c);
1231         }
1232         else
1233         {
1234             PsPrint(c);
1235         }
1236     }
1237
1238     PsPrint( ") show\n" );
1239
1240     if (m_font.GetUnderlined())
1241     {
1242         wxCoord uy = (wxCoord)(y + size - m_underlinePosition);
1243         char buffer[100];
1244
1245         sprintf( buffer,
1246                 "gsave\n"
1247                 "%d %d moveto\n"
1248                 "%f setlinewidth\n"
1249                 "%d %d lineto\n"
1250                 "stroke\n"
1251                 "grestore\n",
1252                 LogicalToDeviceX(x), LogicalToDeviceY(uy),
1253                 m_underlineThickness,
1254                 LogicalToDeviceX(x + text_w), LogicalToDeviceY(uy) );
1255         for (i = 0; i < 100; i++)
1256             if (buffer[i] == ',') buffer[i] = '.';
1257         PsPrint( buffer );
1258     }
1259
1260     CalcBoundingBox( x, y );
1261     CalcBoundingBox( x + size * text.Length() * 2/3 , y );
1262 }
1263
1264 void wxPostScriptDC::DoDrawRotatedText( const wxString& text, wxCoord x, wxCoord y, double angle )
1265 {
1266     if ( wxIsNullDouble(angle) )
1267     {
1268         DoDrawText(text, x, y);
1269         return;
1270     }
1271
1272     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1273
1274     SetFont( m_font );
1275
1276     if (m_textForegroundColour.Ok())
1277     {
1278         unsigned char red = m_textForegroundColour.Red();
1279         unsigned char blue = m_textForegroundColour.Blue();
1280         unsigned char green = m_textForegroundColour.Green();
1281
1282         if (!m_colour)
1283         {
1284             // Anything not white is black
1285             if (! (red == (unsigned char) 255 &&
1286                    blue == (unsigned char) 255 &&
1287                    green == (unsigned char) 255))
1288             {
1289                 red = (unsigned char) 0;
1290                 green = (unsigned char) 0;
1291                 blue = (unsigned char) 0;
1292             }
1293         }
1294
1295         // maybe setgray here ?
1296         if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1297         {
1298             double redPS = (double)(red) / 255.0;
1299             double bluePS = (double)(blue) / 255.0;
1300             double greenPS = (double)(green) / 255.0;
1301
1302             char buffer[100];
1303             sprintf( buffer,
1304                 "%.8f %.8f %.8f setrgbcolor\n",
1305                 redPS, greenPS, bluePS );
1306             for (int i = 0; i < 100; i++)
1307                 if (buffer[i] == ',') buffer[i] = '.';
1308             PsPrint( buffer );
1309
1310             m_currentRed = red;
1311             m_currentBlue = blue;
1312             m_currentGreen = green;
1313         }
1314     }
1315
1316     int size = m_font.GetPointSize();
1317
1318     PsPrintf( wxT("%d %d moveto\n"),
1319             LogicalToDeviceX(x), LogicalToDeviceY(y));
1320
1321     char buffer[100];
1322     sprintf(buffer, "%.8f rotate\n", angle);
1323     size_t i;
1324     for (i = 0; i < 100; i++)
1325     {
1326         if (buffer[i] == ',') buffer[i] = '.';
1327     }
1328     PsPrint( buffer);
1329
1330     PsPrint( "(" );
1331     const wxWX2MBbuf textbuf = text.mb_str();
1332     size_t len = strlen(textbuf);
1333     for (i = 0; i < len; i++)
1334     {
1335         int c = (unsigned char) textbuf[i];
1336         if (c == ')' || c == '(' || c == '\\')
1337         {
1338             /* Cope with special characters */
1339             PsPrint( "\\" );
1340             PsPrint(c);
1341         }
1342         else if ( c >= 128 )
1343         {
1344             /* Cope with character codes > 127 */
1345             PsPrintf( wxT("\\%o"), c);
1346         }
1347         else
1348         {
1349             PsPrint(c);
1350         }
1351     }
1352
1353     PsPrint( ") show\n" );
1354
1355     sprintf( buffer, "%.8f rotate\n", -angle );
1356     for (i = 0; i < 100; i++)
1357     {
1358         if (buffer[i] == ',') buffer[i] = '.';
1359     }
1360     PsPrint( buffer );
1361
1362     if (m_font.GetUnderlined())
1363     {
1364         wxCoord uy = (wxCoord)(y + size - m_underlinePosition);
1365         wxCoord w, h;
1366         GetTextExtent(text, &w, &h);
1367
1368         sprintf( buffer,
1369                 "gsave\n"
1370                 "%d %d moveto\n"
1371                 "%f setlinewidth\n"
1372                 "%d %d lineto\n"
1373                 "stroke\n"
1374                 "grestore\n",
1375                 LogicalToDeviceX(x), LogicalToDeviceY(uy),
1376                 m_underlineThickness,
1377                 LogicalToDeviceX(x + w), LogicalToDeviceY(uy) );
1378         for (i = 0; i < 100; i++)
1379         {
1380             if (buffer[i] == ',') buffer[i] = '.';
1381         }
1382         PsPrint( buffer );
1383     }
1384
1385     CalcBoundingBox( x, y );
1386     CalcBoundingBox( x + size * text.Length() * 2/3 , y );
1387 }
1388
1389 void wxPostScriptDC::SetBackground (const wxBrush& brush)
1390 {
1391     m_backgroundBrush = brush;
1392 }
1393
1394 void wxPostScriptDC::SetLogicalFunction (int WXUNUSED(function))
1395 {
1396     wxFAIL_MSG( wxT("wxPostScriptDC::SetLogicalFunction not implemented.") );
1397 }
1398
1399 #if wxUSE_SPLINES
1400 void wxPostScriptDC::DoDrawSpline( wxList *points )
1401 {
1402     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1403
1404     SetPen( m_pen );
1405
1406     // a and b are not used
1407     //double a, b;
1408     double c, d, x1, y1, x2, y2, x3, y3;
1409     wxPoint *p, *q;
1410
1411     wxList::compatibility_iterator node = points->GetFirst();
1412     p = (wxPoint *)node->GetData();
1413     x1 = p->x;
1414     y1 = p->y;
1415
1416     node = node->GetNext();
1417     p = (wxPoint *)node->GetData();
1418     c = p->x;
1419     d = p->y;
1420     x3 =
1421          #if 0
1422          a =
1423          #endif
1424          (double)(x1 + c) / 2;
1425     y3 =
1426          #if 0
1427          b =
1428          #endif
1429          (double)(y1 + d) / 2;
1430
1431     PsPrintf( wxT("newpath\n")
1432               wxT("%d %d moveto\n")
1433               wxT("%d %d lineto\n"),
1434             LogicalToDeviceX((wxCoord)x1), LogicalToDeviceY((wxCoord)y1),
1435             LogicalToDeviceX((wxCoord)x3), LogicalToDeviceY((wxCoord)y3) );
1436
1437     CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1438     CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1439
1440     node = node->GetNext();
1441     while (node)
1442     {
1443         q = (wxPoint *)node->GetData();
1444
1445         x1 = x3;
1446         y1 = y3;
1447         x2 = c;
1448         y2 = d;
1449         c = q->x;
1450         d = q->y;
1451         x3 = (double)(x2 + c) / 2;
1452         y3 = (double)(y2 + d) / 2;
1453
1454         PsPrintf( wxT("%d %d %d %d %d %d DrawSplineSection\n"),
1455             LogicalToDeviceX((wxCoord)x1), LogicalToDeviceY((wxCoord)y1),
1456             LogicalToDeviceX((wxCoord)x2), LogicalToDeviceY((wxCoord)y2),
1457             LogicalToDeviceX((wxCoord)x3), LogicalToDeviceY((wxCoord)y3) );
1458
1459         CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1460         CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1461
1462         node = node->GetNext();
1463     }
1464
1465     /*
1466        At this point, (x2,y2) and (c,d) are the position of the
1467        next-to-last and last point respectively, in the point list
1468      */
1469
1470     PsPrintf( wxT("%d %d lineto\n")
1471               wxT("stroke\n"),
1472             LogicalToDeviceX((wxCoord)c), LogicalToDeviceY((wxCoord)d) );
1473 }
1474 #endif // wxUSE_SPLINES
1475
1476 wxCoord wxPostScriptDC::GetCharWidth() const
1477 {
1478     // Chris Breeze: reasonable approximation using wxMODERN/Courier
1479     return (wxCoord) (GetCharHeight() * 72.0 / 120.0);
1480 }
1481
1482
1483 void wxPostScriptDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
1484 {
1485     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1486
1487     m_signX = (xLeftRight ? 1 : -1);
1488     m_signY = (yBottomUp  ? 1 : -1);
1489
1490     ComputeScaleAndOrigin();
1491 }
1492
1493 void wxPostScriptDC::SetDeviceOrigin( wxCoord x, wxCoord y )
1494 {
1495     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1496
1497     int h = 0;
1498     int w = 0;
1499     GetSize( &w, &h );
1500
1501     wxDC::SetDeviceOrigin( x, h-y );
1502 }
1503
1504 void wxPostScriptDC::DoGetSize(int* width, int* height) const
1505 {
1506     wxPaperSize id = m_printData.GetPaperId();
1507
1508     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(id);
1509
1510     if (!paper) paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
1511
1512     int w = 595;
1513     int h = 842;
1514     if (paper)
1515     {
1516         w = paper->GetSizeDeviceUnits().x;
1517         h = paper->GetSizeDeviceUnits().y;
1518     }
1519
1520     if (m_printData.GetOrientation() == wxLANDSCAPE)
1521     {
1522         int tmp = w;
1523         w = h;
1524         h = tmp;
1525     }
1526
1527     if (width) *width = (int)(w * ms_PSScaleFactor);
1528     if (height) *height = (int)(h * ms_PSScaleFactor);
1529 }
1530
1531 void wxPostScriptDC::DoGetSizeMM(int *width, int *height) const
1532 {
1533     wxPaperSize id = m_printData.GetPaperId();
1534
1535     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(id);
1536
1537     if (!paper) paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
1538
1539     int w = 210;
1540     int h = 297;
1541     if (paper)
1542     {
1543         w = paper->GetWidth() / 10;
1544         h = paper->GetHeight() / 10;
1545     }
1546
1547     if (m_printData.GetOrientation() == wxLANDSCAPE)
1548     {
1549         int tmp = w;
1550         w = h;
1551         h = tmp;
1552     }
1553
1554     if (width) *width = w;
1555     if (height) *height = h;
1556 }
1557
1558 // Resolution in pixels per logical inch
1559 wxSize wxPostScriptDC::GetPPI(void) const
1560 {
1561     return wxSize((int)(72 * ms_PSScaleFactor),
1562                   (int)(72 * ms_PSScaleFactor));
1563 }
1564
1565
1566 bool wxPostScriptDC::StartDoc( const wxString& message )
1567 {
1568     wxCHECK_MSG( m_ok, false, wxT("invalid postscript dc") );
1569
1570     if (m_printData.GetPrintMode() != wxPRINT_MODE_STREAM )
1571     {
1572         if (m_printData.GetFilename() == wxEmptyString)
1573         {
1574             wxString filename = wxGetTempFileName( wxT("ps") );
1575             m_printData.SetFilename(filename);
1576         }
1577
1578         m_pstream = wxFopen( m_printData.GetFilename(), wxT("w+") );
1579
1580         if (!m_pstream)
1581         {
1582             wxLogError( _("Cannot open file for PostScript printing!"));
1583             m_ok = false;
1584             return false;
1585         }
1586     }
1587
1588     m_ok = true;
1589     m_title = message;
1590
1591     PsPrint( "%!PS-Adobe-2.0\n" );
1592     PsPrintf( wxT("%%%%Title: %s\n"), m_title.c_str() );
1593     PsPrint( "%%Creator: wxWidgets PostScript renderer\n" );
1594     PsPrintf( wxT("%%%%CreationDate: %s\n"), wxNow().c_str() );
1595     if (m_printData.GetOrientation() == wxLANDSCAPE)
1596         PsPrint( "%%Orientation: Landscape\n" );
1597     else
1598         PsPrint( "%%Orientation: Portrait\n" );
1599
1600     // PsPrintf( wxT("%%%%Pages: %d\n"), (wxPageNumber - 1) );
1601
1602     const wxChar *paper;
1603     switch (m_printData.GetPaperId())
1604     {
1605        case wxPAPER_LETTER: paper = wxT("Letter"); break;             // Letter: paper ""; 8 1/2 by 11 inches
1606        case wxPAPER_LEGAL: paper = wxT("Legal"); break;              // Legal, 8 1/2 by 14 inches
1607        case wxPAPER_A4: paper = wxT("A4"); break;          // A4 Sheet, 210 by 297 millimeters
1608        case wxPAPER_TABLOID: paper = wxT("Tabloid"); break;     // Tabloid, 11 by 17 inches
1609        case wxPAPER_LEDGER: paper = wxT("Ledger"); break;      // Ledger, 17 by 11 inches
1610        case wxPAPER_STATEMENT: paper = wxT("Statement"); break;   // Statement, 5 1/2 by 8 1/2 inches
1611        case wxPAPER_EXECUTIVE: paper = wxT("Executive"); break;   // Executive, 7 1/4 by 10 1/2 inches
1612        case wxPAPER_A3: paper = wxT("A3"); break;          // A3 sheet, 297 by 420 millimeters
1613        case wxPAPER_A5: paper = wxT("A5"); break;          // A5 sheet, 148 by 210 millimeters
1614        case wxPAPER_B4: paper = wxT("B4"); break;          // B4 sheet, 250 by 354 millimeters
1615        case wxPAPER_B5: paper = wxT("B5"); break;          // B5 sheet, 182-by-257-millimeter paper
1616        case wxPAPER_FOLIO: paper = wxT("Folio"); break;       // Folio, 8-1/2-by-13-inch paper
1617        case wxPAPER_QUARTO: paper = wxT("Quaro"); break;      // Quarto, 215-by-275-millimeter paper
1618        case wxPAPER_10X14: paper = wxT("10x14"); break;       // 10-by-14-inch sheet
1619        default: paper = wxT("A4");
1620     }
1621     PsPrintf( wxT("%%%%DocumentPaperSizes: %s\n"), paper );
1622     PsPrint( "%%EndComments\n\n" );
1623
1624     PsPrint( "%%BeginProlog\n" );
1625     PsPrint( wxPostScriptHeaderConicTo );
1626     PsPrint( wxPostScriptHeaderEllipse );
1627     PsPrint( wxPostScriptHeaderEllipticArc );
1628     PsPrint( wxPostScriptHeaderColourImage );
1629     PsPrint( wxPostScriptHeaderReencodeISO1 );
1630     PsPrint( wxPostScriptHeaderReencodeISO2 );
1631     if (wxPostScriptHeaderSpline)
1632         PsPrint( wxPostScriptHeaderSpline );
1633     PsPrint( "%%EndProlog\n" );
1634
1635     SetBrush( *wxBLACK_BRUSH );
1636     SetPen( *wxBLACK_PEN );
1637     SetBackground( *wxWHITE_BRUSH );
1638     SetTextForeground( *wxBLACK );
1639
1640     // set origin according to paper size
1641     SetDeviceOrigin( 0,0 );
1642
1643     wxPageNumber = 1;
1644     m_pageNumber = 1;
1645     return true;
1646 }
1647
1648 void wxPostScriptDC::EndDoc ()
1649 {
1650     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1651
1652     if (m_clipping)
1653     {
1654         m_clipping = false;
1655         PsPrint( "grestore\n" );
1656     }
1657
1658     if ( m_pstream ) {
1659         fclose( m_pstream );
1660         m_pstream = (FILE *) NULL;
1661     }
1662
1663 #if 0
1664     // THE FOLLOWING HAS BEEN CONTRIBUTED BY Andy Fyfe <andy@hyperparallel.com>
1665     wxCoord wx_printer_translate_x, wx_printer_translate_y;
1666     double wx_printer_scale_x, wx_printer_scale_y;
1667
1668     wx_printer_translate_x = (wxCoord)m_printData.GetPrinterTranslateX();
1669     wx_printer_translate_y = (wxCoord)m_printData.GetPrinterTranslateY();
1670
1671     wx_printer_scale_x = m_printData.GetPrinterScaleX();
1672     wx_printer_scale_y = m_printData.GetPrinterScaleY();
1673
1674     // Compute the bounding box.  Note that it is in the default user
1675     // coordinate system, thus we have to convert the values.
1676     wxCoord minX = (wxCoord) LogicalToDeviceX(m_minX);
1677     wxCoord minY = (wxCoord) LogicalToDeviceY(m_minY);
1678     wxCoord maxX = (wxCoord) LogicalToDeviceX(m_maxX);
1679     wxCoord maxY = (wxCoord) LogicalToDeviceY(m_maxY);
1680
1681     // LOG2DEV may have changed the minimum to maximum vice versa
1682     if ( minX > maxX ) { wxCoord tmp = minX; minX = maxX; maxX = tmp; }
1683     if ( minY > maxY ) { wxCoord tmp = minY; minY = maxY; maxY = tmp; }
1684
1685     // account for used scaling (boundingbox is before scaling in ps-file)
1686     double scale_x = m_printData.GetPrinterScaleX() / ms_PSScaleFactor;
1687     double scale_y = m_printData.GetPrinterScaleY() / ms_PSScaleFactor;
1688
1689     wxCoord llx, lly, urx, ury;
1690     llx = (wxCoord) ((minX+wx_printer_translate_x)*scale_x);
1691     lly = (wxCoord) ((minY+wx_printer_translate_y)*scale_y);
1692     urx = (wxCoord) ((maxX+wx_printer_translate_x)*scale_x);
1693     ury = (wxCoord) ((maxY+wx_printer_translate_y)*scale_y);
1694     // (end of bounding box computation)
1695
1696
1697     // If we're landscape, our sense of "x" and "y" is reversed.
1698     if (m_printData.GetOrientation() == wxLANDSCAPE)
1699     {
1700         wxCoord tmp;
1701         tmp = llx; llx = lly; lly = tmp;
1702         tmp = urx; urx = ury; ury = tmp;
1703
1704         // We need either the two lines that follow, or we need to subtract
1705         // min_x from real_translate_y, which is commented out below.
1706         llx = llx - (wxCoord)(m_minX*wx_printer_scale_y);
1707         urx = urx - (wxCoord)(m_minX*wx_printer_scale_y);
1708     }
1709
1710     // The Adobe specifications call for integers; we round as to make
1711     // the bounding larger.
1712     PsPrintf( wxT("%%%%BoundingBox: %d %d %d %d\n"),
1713             (wxCoord)floor((double)llx), (wxCoord)floor((double)lly),
1714             (wxCoord)ceil((double)urx), (wxCoord)ceil((double)ury) );
1715
1716     // To check the correctness of the bounding box, postscript commands
1717     // to draw a box corresponding to the bounding box are generated below.
1718     // But since we typically don't want to print such a box, the postscript
1719     // commands are generated within comments.  These lines appear before any
1720     // adjustment of scale, rotation, or translation, and hence are in the
1721     // default user coordinates.
1722     PsPrint( "% newpath\n" );
1723     PsPrintf( wxT("%% %d %d moveto\n"), llx, lly );
1724     PsPrintf( wxT("%% %d %d lineto\n"), urx, lly );
1725     PsPrintf( wxT("%% %d %d lineto\n"), urx, ury );
1726     PsPrintf( wxT("%% %d %d lineto closepath stroke\n"), llx, ury );
1727 #endif
1728
1729 #ifndef __WXMSW__
1730     wxPostScriptPrintNativeData *data =
1731         (wxPostScriptPrintNativeData *) m_printData.GetNativeData();
1732
1733     if (m_ok && (m_printData.GetPrintMode() == wxPRINT_MODE_PRINTER))
1734     {
1735         wxString command;
1736         command += data->GetPrinterCommand();
1737         command += wxT(" ");
1738         command += data->GetPrinterOptions();
1739         command += wxT(" ");
1740         command += m_printData.GetFilename();
1741
1742         wxExecute( command, true );
1743         wxRemoveFile( m_printData.GetFilename() );
1744     }
1745 #endif
1746 }
1747
1748 void wxPostScriptDC::StartPage()
1749 {
1750     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
1751
1752     PsPrintf( wxT("%%%%Page: %d\n"), wxPageNumber++ );
1753
1754     //  What is this one supposed to do? RR.
1755 //  *m_pstream << "matrix currentmatrix\n";
1756
1757     // Added by Chris Breeze
1758
1759     // Each page starts with an "initgraphics" which resets the
1760     // transformation and so we need to reset the origin
1761     // (and rotate the page for landscape printing)
1762
1763     // Output scaling
1764     wxCoord translate_x, translate_y;
1765     double scale_x, scale_y;
1766
1767     wxPostScriptPrintNativeData *data =
1768         (wxPostScriptPrintNativeData *) m_printData.GetNativeData();
1769
1770     translate_x = (wxCoord)data->GetPrinterTranslateX();
1771     translate_y = (wxCoord)data->GetPrinterTranslateY();
1772
1773     scale_x = data->GetPrinterScaleX();
1774     scale_y = data->GetPrinterScaleY();
1775
1776     if (m_printData.GetOrientation() == wxLANDSCAPE)
1777     {
1778         int h;
1779         GetSize( (int*) NULL, &h );
1780         translate_y -= h;
1781         PsPrint( "90 rotate\n" );
1782         // I copied this one from a PostScript tutorial, but to no avail. RR.
1783         // PsPrint( "90 rotate llx neg ury nef translate\n" );
1784     }
1785
1786     char buffer[100];
1787     sprintf( buffer, "%.8f %.8f scale\n", scale_x / ms_PSScaleFactor,
1788             scale_y / ms_PSScaleFactor);
1789     for (int i = 0; i < 100; i++)
1790         if (buffer[i] == ',') buffer[i] = '.';
1791     PsPrint( buffer );
1792
1793     PsPrintf( wxT("%d %d translate\n"), translate_x, translate_y );
1794 }
1795
1796 void wxPostScriptDC::EndPage ()
1797 {
1798     wxCHECK_RET( m_ok , wxT("invalid postscript dc") );
1799
1800     PsPrint( "showpage\n" );
1801 }
1802
1803 bool wxPostScriptDC::DoBlit( wxCoord xdest, wxCoord ydest,
1804                            wxCoord fwidth, wxCoord fheight,
1805                            wxDC *source,
1806                            wxCoord xsrc, wxCoord ysrc,
1807                            int rop, bool WXUNUSED(useMask), wxCoord WXUNUSED(xsrcMask), wxCoord WXUNUSED(ysrcMask) )
1808 {
1809     wxCHECK_MSG( m_ok, false, wxT("invalid postscript dc") );
1810
1811     wxCHECK_MSG( source, false, wxT("invalid source dc") );
1812
1813     /* blit into a bitmap */
1814     wxBitmap bitmap( (int)fwidth, (int)fheight );
1815     wxMemoryDC memDC;
1816     memDC.SelectObject(bitmap);
1817     memDC.Blit(0, 0, fwidth, fheight, source, xsrc, ysrc, rop); /* TODO: Blit transparently? */
1818     memDC.SelectObject(wxNullBitmap);
1819
1820     /* draw bitmap. scaling and positioning is done there */
1821     DrawBitmap( bitmap, xdest, ydest );
1822
1823     return true;
1824 }
1825
1826 wxCoord wxPostScriptDC::GetCharHeight() const
1827 {
1828     if (m_font.Ok())
1829         return m_font.GetPointSize();
1830     else
1831         return 12;
1832 }
1833
1834 void wxPostScriptDC::DoGetTextExtent(const wxString& string,
1835                                      wxCoord *x, wxCoord *y,
1836                                      wxCoord *descent, wxCoord *externalLeading,
1837                                      wxFont *theFont ) const
1838 {
1839     wxFont *fontToUse = theFont;
1840
1841     if (!fontToUse) fontToUse = (wxFont*) &m_font;
1842
1843     wxCHECK_RET( fontToUse, wxT("GetTextExtent: no font defined") );
1844
1845     if (string.empty())
1846     {
1847         if (x) (*x) = 0;
1848         if (y) (*y) = 0;
1849         if (descent) (*descent) = 0;
1850         if (externalLeading) (*externalLeading) = 0;
1851         return;
1852     }
1853
1854    // GTK 2.0
1855
1856     const wxWX2MBbuf strbuf = string.mb_str();
1857
1858 #if !wxUSE_AFM_FOR_POSTSCRIPT
1859     /* Provide a VERY rough estimate (avoid using it).
1860      * Produces accurate results for mono-spaced font
1861      * such as Courier (aka wxMODERN) */
1862
1863     int height = 12;
1864     if (fontToUse)
1865     {
1866         height = fontToUse->GetPointSize();
1867     }
1868     if ( x )
1869         *x = strlen (strbuf) * height * 72 / 120;
1870     if ( y )
1871         *y = (wxCoord) (height * 1.32);    /* allow for descender */
1872     if (descent) *descent = 0;
1873     if (externalLeading) *externalLeading = 0;
1874 #else
1875
1876     /* method for calculating string widths in postscript:
1877     /  read in the AFM (adobe font metrics) file for the
1878     /  actual font, parse it and extract the character widths
1879     /  and also the descender. this may be improved, but for now
1880     /  it works well. the AFM file is only read in if the
1881     /  font is changed. this may be chached in the future.
1882     /  calls to GetTextExtent with the font unchanged are rather
1883     /  efficient!!!
1884     /
1885     /  for each font and style used there is an AFM file necessary.
1886     /  currently i have only files for the roman font family.
1887     /  I try to get files for the other ones!
1888     /
1889     /  CAVE: the size of the string is currently always calculated
1890     /        in 'points' (1/72 of an inch). this should later on be
1891     /        changed to depend on the mapping mode.
1892     /  CAVE: the path to the AFM files must be set before calling this
1893     /        function. this is usually done by a call like the following:
1894     /        wxSetAFMPath("d:\\wxw161\\afm\\");
1895     /
1896     /  example:
1897     /
1898     /    wxPostScriptDC dc(NULL, true);
1899     /    if (dc.Ok()){
1900     /      wxSetAFMPath("d:\\wxw161\\afm\\");
1901     /      dc.StartDoc("Test");
1902     /      dc.StartPage();
1903     /      wxCoord w,h;
1904     /      dc.SetFont(new wxFont(10, wxROMAN, wxNORMAL, wxNORMAL));
1905     /      dc.GetTextExtent("Hallo",&w,&h);
1906     /      dc.EndPage();
1907     /      dc.EndDoc();
1908     /    }
1909     /
1910     /  by steve (stefan.hammes@urz.uni-heidelberg.de)
1911     /  created: 10.09.94
1912     /  updated: 14.05.95 */
1913
1914     /* these static vars are for storing the state between calls */
1915     static int lastFamily= INT_MIN;
1916     static int lastSize= INT_MIN;
1917     static int lastStyle= INT_MIN;
1918     static int lastWeight= INT_MIN;
1919     static int lastDescender = INT_MIN;
1920     static int lastWidths[256]; /* widths of the characters */
1921
1922     double UnderlinePosition = 0.0;
1923     double UnderlineThickness = 0.0;
1924
1925     // Get actual parameters
1926     int Family = fontToUse->GetFamily();
1927     int Size =   fontToUse->GetPointSize();
1928     int Style =  fontToUse->GetStyle();
1929     int Weight = fontToUse->GetWeight();
1930
1931     // If we have another font, read the font-metrics
1932     if (Family!=lastFamily || Size!=lastSize || Style!=lastStyle || Weight!=lastWeight)
1933     {
1934         // Store actual values
1935         lastFamily = Family;
1936         lastSize =   Size;
1937         lastStyle =  Style;
1938         lastWeight = Weight;
1939
1940         const wxChar *name;
1941
1942         switch (Family)
1943         {
1944             case wxMODERN:
1945             case wxTELETYPE:
1946             {
1947                 if ((Style == wxITALIC) && (Weight == wxBOLD)) name = wxT("CourBoO.afm");
1948                 else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = wxT("CourBo.afm");
1949                 else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = wxT("CourO.afm");
1950                 else name = wxT("Cour.afm");
1951                 break;
1952             }
1953             case wxROMAN:
1954             {
1955                 if ((Style == wxITALIC) && (Weight == wxBOLD)) name = wxT("TimesBoO.afm");
1956                 else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = wxT("TimesBo.afm");
1957                 else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = wxT("TimesO.afm");
1958                 else name = wxT("TimesRo.afm");
1959                 break;
1960             }
1961             case wxSCRIPT:
1962             {
1963                 name = wxT("Zapf.afm");
1964                 break;
1965             }
1966             case wxSWISS:
1967             default:
1968             {
1969                 if ((Style == wxITALIC) && (Weight == wxBOLD)) name = wxT("HelvBoO.afm");
1970                 else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = wxT("HelvBo.afm");
1971                 else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = wxT("HelvO.afm");
1972                 else name = wxT("Helv.afm");
1973                 break;
1974             }
1975         }
1976
1977         FILE *afmFile = NULL;
1978
1979         // Get the directory of the AFM files
1980         wxString afmName;
1981
1982         // VZ: I don't know if the cast always works under Unix but it clearly
1983         //     never does under Windows where the pointer is
1984         //     wxWindowsPrintNativeData and so calling GetFontMetricPath() on
1985         //     it just crashes
1986 #ifndef __WIN32__
1987         wxPostScriptPrintNativeData *data =
1988             wxDynamicCast(m_printData.GetNativeData(), wxPostScriptPrintNativeData);
1989
1990         if (data && !data->GetFontMetricPath().empty())
1991         {
1992             afmName = data->GetFontMetricPath();
1993             afmName << wxFILE_SEP_PATH << name;
1994         }
1995 #endif // __WIN32__
1996
1997         if ( !afmName.empty() )
1998             afmFile = wxFopen(afmName, wxT("r"));
1999
2000         if ( !afmFile )
2001         {
2002 #if defined(__UNIX__) && !defined(__VMS__)
2003            afmName = wxGetDataDir();
2004 #else // !__UNIX__
2005            afmName = wxStandardPaths::Get().GetDataDir();
2006 #endif // __UNIX__/!__UNIX__
2007
2008            afmName <<  wxFILE_SEP_PATH
2009 #if defined(__LINUX__) || defined(__FREEBSD__)
2010                    << wxT("gs_afm") << wxFILE_SEP_PATH
2011 #else
2012                    << wxT("afm") << wxFILE_SEP_PATH
2013 #endif
2014                    << name;
2015            afmFile = wxFopen(afmName,wxT("r"));
2016         }
2017
2018         /* 2. open and process the file
2019            /  a short explanation of the AFM format:
2020            /  we have for each character a line, which gives its size
2021            /  e.g.:
2022            /
2023            /    C 63 ; WX 444 ; N question ; B 49 -14 395 676 ;
2024            /
2025            /  that means, we have a character with ascii code 63, and width
2026            /  (444/1000 * fontSize) points.
2027            /  the other data is ignored for now!
2028            /
2029            /  when the font has changed, we read in the right AFM file and store the
2030            /  character widths in an array, which is processed below (see point 3.). */
2031         if (afmFile==NULL)
2032         {
2033             wxLogDebug( wxT("GetTextExtent: can't open AFM file '%s'"), afmName.c_str() );
2034             wxLogDebug( wxT("               using approximate values"));
2035             for (int i=0; i<256; i++) lastWidths[i] = 500; /* an approximate value */
2036             lastDescender = -150; /* dito. */
2037         }
2038         else
2039         {
2040             /* init the widths array */
2041             for(int i=0; i<256; i++) lastWidths[i] = INT_MIN;
2042             /* some variables for holding parts of a line */
2043             char cString[10], semiString[10], WXString[10];
2044             char descString[20];
2045             char upString[30], utString[30];
2046             char encString[50];
2047             char line[256];
2048             int ascii,cWidth;
2049             /* read in the file and parse it */
2050             while(fgets(line,sizeof(line),afmFile)!=NULL)
2051             {
2052                 /* A.) check for descender definition */
2053                 if (strncmp(line,"Descender",9)==0)
2054                 {
2055                     if ((sscanf(line,"%s%d",descString,&lastDescender)!=2) ||
2056                             (strcmp(descString,"Descender")!=0))
2057                     {
2058                         wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad descender)"), afmName.c_str(),line );
2059                     }
2060                 }
2061                 /* JC 1.) check for UnderlinePosition */
2062                 else if(strncmp(line,"UnderlinePosition",17)==0)
2063                 {
2064                     if ((sscanf(line,"%s%lf",upString,&UnderlinePosition)!=2) ||
2065                             (strcmp(upString,"UnderlinePosition")!=0))
2066                     {
2067                         wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad UnderlinePosition)"), afmName.c_str(), line );
2068                     }
2069                 }
2070                 /* JC 2.) check for UnderlineThickness */
2071                 else if(strncmp(line,"UnderlineThickness",18)==0)
2072                 {
2073                     if ((sscanf(line,"%s%lf",utString,&UnderlineThickness)!=2) ||
2074                             (strcmp(utString,"UnderlineThickness")!=0))
2075                     {
2076                         wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad UnderlineThickness)"), afmName.c_str(), line );
2077                     }
2078                 }
2079                 /* JC 3.) check for EncodingScheme */
2080                 else if(strncmp(line,"EncodingScheme",14)==0)
2081                 {
2082                     if ((sscanf(line,"%s%s",utString,encString)!=2) ||
2083                             (strcmp(utString,"EncodingScheme")!=0))
2084                     {
2085                         wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad EncodingScheme)"), afmName.c_str(), line );
2086                     }
2087                     else if (strncmp(encString, "AdobeStandardEncoding", 21))
2088                     {
2089                         wxLogDebug( wxT("AFM-file '%s': line '%s' has error (unsupported EncodingScheme %s)"),
2090                                 afmName.c_str(),line, encString);
2091                     }
2092                 }
2093                 /* B.) check for char-width */
2094                 else if(strncmp(line,"C ",2)==0)
2095                 {
2096                     if (sscanf(line,"%s%d%s%s%d",cString,&ascii,semiString,WXString,&cWidth)!=5)
2097                     {
2098                         wxLogDebug(wxT("AFM-file '%s': line '%s' has an error (bad character width)"),afmName.c_str(),line);
2099                     }
2100                     if(strcmp(cString,"C")!=0 || strcmp(semiString,";")!=0 || strcmp(WXString,"WX")!=0)
2101                     {
2102                         wxLogDebug(wxT("AFM-file '%s': line '%s' has a format error"),afmName.c_str(),line);
2103                     }
2104                     /* printf("            char '%c'=%d has width '%d'\n",ascii,ascii,cWidth); */
2105                     if (ascii>=0 && ascii<256)
2106                     {
2107                         lastWidths[ascii] = cWidth; /* store width */
2108                     }
2109                     else
2110                     {
2111                         /* MATTHEW: this happens a lot; don't print an error */
2112                         /* wxLogDebug("AFM-file '%s': ASCII value %d out of range",afmName.c_str(),ascii); */
2113                     }
2114                 }
2115                 /* C.) ignore other entries. */
2116             }
2117             fclose(afmFile);
2118         }
2119         /* hack to compute correct values for german 'Umlaute'
2120            /  the correct way would be to map the character names
2121            /  like 'adieresis' to corresp. positions of ISOEnc and read
2122            /  these values from AFM files, too. Maybe later ... */
2123
2124         // NB: casts to int are needed to suppress gcc 3.3 warnings
2125         lastWidths[196] = lastWidths[(int)'A'];  // Ä
2126         lastWidths[228] = lastWidths[(int)'a'];  // ä
2127         lastWidths[214] = lastWidths[(int)'O'];  // Ö
2128         lastWidths[246] = lastWidths[(int)'o'];  // ö
2129         lastWidths[220] = lastWidths[(int)'U'];  // Ü
2130         lastWidths[252] = lastWidths[(int)'u'];  // ü
2131         lastWidths[223] = lastWidths[(int)251];  // ß
2132
2133         /* JC: calculate UnderlineThickness/UnderlinePosition */
2134
2135         // VS: dirty, but is there any better solution?
2136         double *pt;
2137         pt = (double*) &m_underlinePosition;
2138         *pt = LogicalToDeviceYRel((wxCoord)(UnderlinePosition * fontToUse->GetPointSize())) / 1000.0f;
2139         pt = (double*) &m_underlineThickness;
2140         *pt = LogicalToDeviceYRel((wxCoord)(UnderlineThickness * fontToUse->GetPointSize())) / 1000.0f;
2141
2142     }
2143
2144
2145     /* 3. now the font metrics are read in, calc size this
2146        /  is done by adding the widths of the characters in the
2147        /  string. they are given in 1/1000 of the size! */
2148
2149     long sum=0;
2150     wxCoord height=Size; /* by default */
2151     unsigned char *p;
2152     for(p=(unsigned char *)wxMBSTRINGCAST strbuf; *p; p++)
2153     {
2154         if(lastWidths[*p]== INT_MIN)
2155         {
2156             wxLogDebug(wxT("GetTextExtent: undefined width for character '%c' (%d)"), *p,*p);
2157             sum += lastWidths[(unsigned char)' ']; /* assume space */
2158         }
2159         else
2160         {
2161             sum += lastWidths[*p];
2162         }
2163     }
2164
2165     double widthSum = sum;
2166     widthSum *= Size;
2167     widthSum /= 1000.0F;
2168
2169     /* add descender to height (it is usually a negative value) */
2170     //if (lastDescender != INT_MIN)
2171     //{
2172     //    height += (wxCoord)(((-lastDescender)/1000.0F) * Size); /* MATTHEW: forgot scale */
2173     //}
2174     // - commented by V. Slavik - height already contains descender in it
2175     //   (judging from few experiments)
2176
2177     /* return size values */
2178     if ( x )
2179         *x = (wxCoord)widthSum;
2180     if ( y )
2181         *y = height;
2182
2183     /* return other parameters */
2184     if (descent)
2185     {
2186         if(lastDescender!=INT_MIN)
2187         {
2188             *descent = (wxCoord)(((-lastDescender)/1000.0F) * Size); /* MATTHEW: forgot scale */
2189         }
2190         else
2191         {
2192             *descent = 0;
2193         }
2194     }
2195
2196     /* currently no idea how to calculate this! */
2197     if (externalLeading) *externalLeading = 0;
2198 #endif
2199     // Use AFM
2200 }
2201
2202 // print postscript datas via required method (file, stream)
2203 void wxPostScriptDC::PsPrintf( const wxChar* fmt, ... )
2204 {
2205     va_list argptr;
2206     va_start(argptr, fmt);
2207
2208     PsPrint( wxString::FormatV( fmt, argptr ).c_str() );
2209 }
2210
2211 void wxPostScriptDC::PsPrint( const char* psdata )
2212 {
2213     wxPostScriptPrintNativeData *data =
2214         (wxPostScriptPrintNativeData *) m_printData.GetNativeData();
2215
2216     switch (m_printData.GetPrintMode())
2217     {
2218 #if wxUSE_STREAMS
2219         // append to output stream
2220         case wxPRINT_MODE_STREAM:
2221             {
2222                 wxOutputStream* outputstream = data->GetOutputStream();
2223                 wxCHECK_RET( outputstream, wxT("invalid outputstream") );
2224                 outputstream->Write( psdata, strlen( psdata ) );
2225             }
2226             break;
2227 #endif // wxUSE_STREAMS
2228
2229         // save data into file
2230         default:
2231             wxCHECK_RET( m_pstream, wxT("invalid postscript dc") );
2232             fwrite( psdata, 1, strlen( psdata ), m_pstream );
2233     }
2234 }
2235
2236 void wxPostScriptDC::PsPrint( int ch )
2237 {
2238     wxPostScriptPrintNativeData *data =
2239         (wxPostScriptPrintNativeData *) m_printData.GetNativeData();
2240
2241     switch (m_printData.GetPrintMode())
2242     {
2243 #if wxUSE_STREAMS
2244         // append to output stream
2245         case wxPRINT_MODE_STREAM:
2246             {
2247                 wxOutputStream* outputstream = data->GetOutputStream();
2248                 wxCHECK_RET( outputstream, wxT("invalid outputstream") );
2249                 outputstream->PutC( (char)ch );
2250             }
2251             break;
2252 #endif // wxUSE_STREAMS
2253
2254         // save data into file
2255         default:
2256             wxCHECK_RET( m_pstream, wxT("invalid postscript dc") );
2257             fputc( ch, m_pstream );
2258     }
2259 }
2260
2261 #endif
2262   // wxUSE_POSTSCRIPT
2263
2264 #endif
2265   // wxUSE_PRINTING_ARCHITECTURE
2266
2267
2268 // vi:sts=4:sw=4:et