PSOutputDev.cpp

//========================================================================
//
// PSOutputDev.cpp
//
// Copyright 1996-2002 Glyph & Cog, LLC
//
//========================================================================
 
#include <aconf.h>
 
#ifdef USE_GCC_PRAGMAS
#pragma implementation
#endif
 
#include <stdio.h>
#include <stddef.h>
#include <stdarg.h>
#include <signal.h>
#include <math.h>
#include "GString.h"
#include "config.h"
#include "GlobalParams.h"
#include "Object.h"
#include "Error.h"
#include "Function.h"
#include "Gfx.h"
#include "GfxState.h"
#include "GfxFont.h"
#include "CharCodeToUnicode.h"
#include "UnicodeMap.h"
#include "FontFile.h"
#include "Catalog.h"
#include "Page.h"
#include "Stream.h"
#include "Annot.h"
#include "PSOutputDev.h"
 
#ifdef MACOS
// needed for setting type/creator of MacOS files
#include "ICSupport.h"
#endif
 
//------------------------------------------------------------------------
// PostScript prolog and setup
//------------------------------------------------------------------------
 
static char *prolog[] = {
  "/xpdf 75 dict def xpdf begin",
  "% PDF special state",
  "/pdfDictSize 14 def",
  "/pdfSetup {",
  "  3 1 roll 2 array astore",
  "  /setpagedevice where {",
  "    pop 3 dict begin",
  "      /PageSize exch def",
  "      /ImagingBBox null def",
  "      /Policies 1 dict dup begin /PageSize 3 def end def",
  "      { /Duplex true def } if",
  "    currentdict end setpagedevice",
  "  } {",
  "    pop pop",
  "  } ifelse",
  "} def",
  "/pdfStartPage {",
  "  pdfDictSize dict begin",
  "  /pdfFill [0] def",
  "  /pdfStroke [0] def",
  "  /pdfLastFill false def",
  "  /pdfLastStroke false def",
  "  /pdfTextMat [1 0 0 1 0 0] def",
  "  /pdfFontSize 0 def",
  "  /pdfCharSpacing 0 def",
  "  /pdfTextRender 0 def",
  "  /pdfTextRise 0 def",
  "  /pdfWordSpacing 0 def",
  "  /pdfHorizScaling 1 def",
  "} def",
  "/pdfEndPage { end } def",
  "% separation convention operators",
  "/findcmykcustomcolor where {",
  "  pop",
  "}{",
  "  /findcmykcustomcolor { 5 array astore } def",
  "} ifelse",
  "/setcustomcolor where {",
  "  pop",
  "}{",
  "  /setcustomcolor {",
  "    exch",
  "    [ exch /Separation exch dup 4 get exch /DeviceCMYK exch",
  "      0 4 getinterval cvx",
  "      [ exch /dup load exch { mul exch dup } /forall load",
  "        /pop load dup ] cvx",
  "    ] setcolorspace setcolor",
  "  } def",
  "} ifelse",
  "/customcolorimage where {",
  "  pop",
  "}{",
  "  /customcolorimage {",
  "    gsave",
  "    [ exch /Separation exch dup 4 get exch /DeviceCMYK exch",
  "      0 4 getinterval cvx",
  "      [ exch /dup load exch { mul exch dup } /forall load",
  "        /pop load dup ] cvx",
  "    ] setcolorspace",
  "    10 dict begin",
  "      /ImageType 1 def",
  "      /DataSource exch def",
  "      /ImageMatrix exch def",
  "      /BitsPerComponent exch def",
  "      /Height exch def",
  "      /Width exch def",
  "      /Decode [1 0] def",
  "    currentdict end",
  "    image",
  "    grestore",
  "  } def",
  "} ifelse",
  "% PDF color state",
  "/sCol {",
  "  pdfLastStroke not {",
  "    pdfStroke aload length",
  "    dup 1 eq {",
  "      pop setgray",
  "    }{",
  "      dup 3 eq {",
  "        pop setrgbcolor",
  "      }{",
  "        4 eq {",
  "          setcmykcolor",
  "        }{",
  "          findcmykcustomcolor exch setcustomcolor",
  "        } ifelse",
  "      } ifelse",
  "    } ifelse",
  "    /pdfLastStroke true def /pdfLastFill false def",
  "  } if",
  "} def",
  "/fCol {",
  "  pdfLastFill not {",
  "    pdfFill aload length",
  "    dup 1 eq {",
  "      pop setgray",
  "    }{",
  "      dup 3 eq {",
  "        pop setrgbcolor",
  "      }{",
  "        4 eq {",
  "          setcmykcolor",
  "        }{",
  "          findcmykcustomcolor exch setcustomcolor",
  "        } ifelse",
  "      } ifelse",
  "    } ifelse",
  "    /pdfLastFill true def /pdfLastStroke false def",
  "  } if",
  "} def",
  "% build a font",
  "/pdfMakeFont {",
  "  4 3 roll findfont",
  "  4 2 roll matrix scale makefont",
  "  dup length dict begin",
  "    { 1 index /FID ne { def } { pop pop } ifelse } forall",
  "    /Encoding exch def",
  "    currentdict",
  "  end",
  "  definefont pop",
  "} def",
  "/pdfMakeFont16 {",
  "  exch findfont",
  "  dup length dict begin",
  "    { 1 index /FID ne { def } { pop pop } ifelse } forall",
  "    /WMode exch def",
  "    currentdict",
  "  end",
  "  definefont pop",
  "} def",
  "/pdfMakeFont16L3 {",
  "  1 index /CIDFont resourcestatus {",
  "    pop pop 1 index /CIDFont findresource /CIDFontType known",
  "  } {",
  "    false",
  "  } ifelse",
  "  {",
  "    0 eq { /Identity-H } { /Identity-V } ifelse",
  "    exch 1 array astore composefont pop",
  "  } {",
  "    pdfMakeFont16",
  "  } ifelse",
  "} def",
  "% graphics state operators",
  "/q { gsave pdfDictSize dict begin } def",
  "/Q { end grestore } def",
  "/cm { concat } def",
  "/d { setdash } def",
  "/i { setflat } def",
  "/j { setlinejoin } def",
  "/J { setlinecap } def",
  "/M { setmiterlimit } def",
  "/w { setlinewidth } def",
  "% color operators",
  "/g { dup 1 array astore /pdfFill exch def setgray",
  "     /pdfLastFill true def /pdfLastStroke false def } def",
  "/G { dup 1 array astore /pdfStroke exch def setgray",
  "     /pdfLastStroke true def /pdfLastFill false def } def",
  "/rg { 3 copy 3 array astore /pdfFill exch def setrgbcolor",
  "      /pdfLastFill true def /pdfLastStroke false def } def",
  "/RG { 3 copy 3 array astore /pdfStroke exch def setrgbcolor",
  "      /pdfLastStroke true def /pdfLastFill false def } def",
  "/k { 4 copy 4 array astore /pdfFill exch def setcmykcolor",
  "     /pdfLastFill true def /pdfLastStroke false def } def",
  "/K { 4 copy 4 array astore /pdfStroke exch def setcmykcolor",
  "     /pdfLastStroke true def /pdfLastFill false def } def",
  "/ck { 6 copy 6 array astore /pdfFill exch def",
  "      findcmykcustomcolor exch setcustomcolor",
  "      /pdfLastFill true def /pdfLastStroke false def } def",
  "/CK { 6 copy 6 array astore /pdfStroke exch def",
  "      findcmykcustomcolor exch setcustomcolor",
  "      /pdfLastStroke true def /pdfLastFill false def } def",
  "% path segment operators",
  "/m { moveto } def",
  "/l { lineto } def",
  "/c { curveto } def",
  "/re { 4 2 roll moveto 1 index 0 rlineto 0 exch rlineto",
  "      neg 0 rlineto closepath } def",
  "/h { closepath } def",
  "% path painting operators",
  "/S { sCol stroke } def",
  "/Sf { fCol stroke } def",
  "/f { fCol fill } def",
  "/f* { fCol eofill } def",
  "% clipping operators",
  "/W { clip newpath } def",
  "/W* { eoclip newpath } def",
  "% text state operators",
  "/Tc { /pdfCharSpacing exch def } def",
  "/Tf { dup /pdfFontSize exch def",
  "      dup pdfHorizScaling mul exch matrix scale",
  "      pdfTextMat matrix concatmatrix dup 4 0 put dup 5 0 put",
  "      exch findfont exch makefont setfont } def",
  "/Tr { /pdfTextRender exch def } def",
  "/Ts { /pdfTextRise exch def } def",
  "/Tw { /pdfWordSpacing exch def } def",
  "/Tz { /pdfHorizScaling exch def } def",
  "% text positioning operators",
  "/Td { pdfTextMat transform moveto } def",
  "/Tm { /pdfTextMat exch def } def",
  "% text string operators",
  "/awcp { % awidthcharpath",
  "  exch {",
  "    1 string dup 0 3 index put 2 index charpath",
  "    3 index 3 index rmoveto",
  "    4 index eq { 5 index 5 index rmoveto } if",
  "  } forall",
  "  6 {pop} repeat",
  "} def",
  "/Tj { fCol",  // because stringwidth has to draw Type 3 chars
  "      0 pdfTextRise pdfTextMat dtransform rmoveto",
  "      1 index stringwidth pdfTextMat idtransform pop",
  "      sub 1 index length dup 0 ne { div } { pop pop 0 } ifelse",
  "      pdfWordSpacing pdfHorizScaling mul 0 pdfTextMat dtransform 32",
  "      4 3 roll pdfCharSpacing pdfHorizScaling mul add 0",
  "      pdfTextMat dtransform",
  "      6 5 roll",
  "      currentpoint 8 2 roll",
  "      pdfTextRender 1 and 0 eq {",
  "        6 copy awidthshow",
  "      } if",
  "      pdfTextRender 3 and dup 1 eq exch 2 eq or {",
  "        8 6 roll moveto",
  "        currentfont /FontType get 3 eq { fCol } { sCol } ifelse",
  "        false awcp currentpoint stroke moveto",
  "      } {",
  "        8 {pop} repeat",
  "      } ifelse",
  "      0 pdfTextRise neg pdfTextMat dtransform rmoveto } def",
  "/Tj16 { pdfTextRender 1 and 0 eq { fCol } { sCol } ifelse",
  "        0 pdfTextRise pdfTextMat dtransform rmoveto",
  "        2 index stringwidth pdfTextMat idtransform pop",
  "        sub exch div",
  "        pdfWordSpacing pdfHorizScaling mul 0 pdfTextMat dtransform 32",
  "        4 3 roll pdfCharSpacing pdfHorizScaling mul add 0",
  "        pdfTextMat dtransform",
  "        6 5 roll awidthshow",
  "        0 pdfTextRise neg pdfTextMat dtransform rmoveto } def",
  "/Tj16V { pdfTextRender 1 and 0 eq { fCol } { sCol } ifelse",
  "         0 pdfTextRise pdfTextMat dtransform rmoveto",
  "         2 index stringwidth pdfTextMat idtransform exch pop",
  "         sub exch div",
  "         0 pdfWordSpacing pdfTextMat dtransform 32",
  "         4 3 roll pdfCharSpacing add 0 exch",
  "         pdfTextMat dtransform",
  "         6 5 roll awidthshow",
  "         0 pdfTextRise neg pdfTextMat dtransform rmoveto } def",
  "/TJm { pdfFontSize 0.001 mul mul neg 0",
  "       pdfTextMat dtransform rmoveto } def",
  "/TJmV { pdfFontSize 0.001 mul mul neg 0 exch",
  "        pdfTextMat dtransform rmoveto } def",
  "% Level 1 image operators",
  "/pdfIm1 {",
  "  /pdfImBuf1 4 index string def",
  "  { currentfile pdfImBuf1 readhexstring pop } image",
  "} def",
  "/pdfIm1Sep {",
  "  /pdfImBuf1 4 index string def",
  "  /pdfImBuf2 4 index string def",
  "  /pdfImBuf3 4 index string def",
  "  /pdfImBuf4 4 index string def",
  "  { currentfile pdfImBuf1 readhexstring pop }",
  "  { currentfile pdfImBuf2 readhexstring pop }",
  "  { currentfile pdfImBuf3 readhexstring pop }",
  "  { currentfile pdfImBuf4 readhexstring pop }",
  "  true 4 colorimage",
  "} def",
  "/pdfImM1 {",
  "  /pdfImBuf1 4 index 7 add 8 idiv string def",
  "  { currentfile pdfImBuf1 readhexstring pop } imagemask",
  "} def",
  "% Level 2 image operators",
  "/pdfImBuf 100 string def",
  "/pdfIm {",
  "  image",
  "  { currentfile pdfImBuf readline",
  "    not { pop exit } if",
  "    (%-EOD-) eq { exit } if } loop",
  "} def",
  "/pdfImSep {",
  "  findcmykcustomcolor exch",
  "  dup /Width get /pdfImBuf1 exch string def",
  "  begin Width Height BitsPerComponent ImageMatrix DataSource end",
  "  /pdfImData exch def",
  "  { pdfImData pdfImBuf1 readstring pop",
  "    0 1 2 index length 1 sub {",
  "      1 index exch 2 copy get 255 exch sub put",
  "    } for }",
  "  6 5 roll customcolorimage",
  "  { currentfile pdfImBuf readline",
  "    not { pop exit } if",
  "    (%-EOD-) eq { exit } if } loop",
  "} def",
  "/pdfImM {",
  "  fCol imagemask",
  "  { currentfile pdfImBuf readline",
  "    not { pop exit } if",
  "    (%-EOD-) eq { exit } if } loop",
  "} def",
  "end",
  NULL
};
 
static char *cmapProlog[] = {
  "/CIDInit /ProcSet findresource begin",
  "10 dict begin",
  "  begincmap",
  "  /CMapType 1 def",
  "  /CMapName /Identity-H def",
  "  /CIDSystemInfo 3 dict dup begin",
  "    /Registry (Adobe) def",
  "    /Ordering (Identity) def",
  "    /Supplement 0 def",
  "  end def",
  "  1 begincodespacerange",
  "    <0000> <ffff>",
  "  endcodespacerange",
  "  0 usefont",
  "  1 begincidrange",
  "    <0000> <ffff> 0",
  "  endcidrange",
  "  endcmap",
  "  currentdict CMapName exch /CMap defineresource pop",
  "end",
  "10 dict begin",
  "  begincmap",
  "  /CMapType 1 def",
  "  /CMapName /Identity-V def",
  "  /CIDSystemInfo 3 dict dup begin",
  "    /Registry (Adobe) def",
  "    /Ordering (Identity) def",
  "    /Supplement 0 def",
  "  end def",
  "  /WMode 1 def",
  "  1 begincodespacerange",
  "    <0000> <ffff>",
  "  endcodespacerange",
  "  0 usefont",
  "  1 begincidrange",
  "    <0000> <ffff> 0",
  "  endcidrange",
  "  endcmap",
  "  currentdict CMapName exch /CMap defineresource pop",
  "end",
  "end",
  NULL
};
 
//------------------------------------------------------------------------
// Fonts
//------------------------------------------------------------------------
 
struct PSSubstFont {
  char *psName;         // PostScript name
  double mWidth;        // width of 'm' character
};
 
static char *psFonts[] = {
  "Courier",
  "Courier-Bold",
  "Courier-Oblique",
  "Courier-BoldOblique",
  "Helvetica",
  "Helvetica-Bold",
  "Helvetica-Oblique",
  "Helvetica-BoldOblique",
  "Symbol",
  "Times-Roman",
  "Times-Bold",
  "Times-Italic",
  "Times-BoldItalic",
  "ZapfDingbats",
  NULL
};
 
static PSSubstFont psSubstFonts[] = {
  {"Helvetica",             0.833},
  {"Helvetica-Oblique",     0.833},
  {"Helvetica-Bold",        0.889},
  {"Helvetica-BoldOblique", 0.889},
  {"Times-Roman",           0.788},
  {"Times-Italic",          0.722},
  {"Times-Bold",            0.833},
  {"Times-BoldItalic",      0.778},
  {"Courier",               0.600},
  {"Courier-Oblique",       0.600},
  {"Courier-Bold",          0.600},
  {"Courier-BoldOblique",   0.600}
};
 
// Encoding info for substitute 16-bit font
struct PSFont16Enc {
  Ref fontID;
  GString *enc;
};
 
//------------------------------------------------------------------------
// process colors
//------------------------------------------------------------------------
 
#define psProcessCyan     1
#define psProcessMagenta  2
#define psProcessYellow   4
#define psProcessBlack    8
#define psProcessCMYK    15
 
//------------------------------------------------------------------------
// PSOutCustomColor
//------------------------------------------------------------------------
 
class PSOutCustomColor {
public:
 
  PSOutCustomColor(double cA, double mA,
           double yA, double kA, GString *nameA);
  ~PSOutCustomColor();
 
  double c, m, y, k;
  GString *name;
  PSOutCustomColor *next;
};
 
PSOutCustomColor::PSOutCustomColor(double cA, double mA,
                   double yA, double kA, GString *nameA) {
  c = cA;
  m = mA;
  y = yA;
  k = kA;
  name = nameA;
  next = NULL;
}
 
PSOutCustomColor::~PSOutCustomColor() {
  delete name;
}
 
//------------------------------------------------------------------------
// PSOutputDev
//------------------------------------------------------------------------
 
extern "C" {
typedef void (*SignalFunc)(int);
}
 
static void outputToFile(void *stream, char *data, int len) {
  fwrite(data, 1, len, (FILE *)stream);
}
 
PSOutputDev::PSOutputDev(char *fileName, XRef *xrefA, Catalog *catalog,
             int firstPage, int lastPage, PSOutMode modeA) {
  FILE *f;
  PSFileType fileTypeA;
 
  fontIDs = NULL;
  fontFileIDs = NULL;
  fontFileNames = NULL;
  font16Enc = NULL;
  embFontList = NULL;
  customColors = NULL;
  t3String = NULL;
 
  // open file or pipe
  if (!strcmp(fileName, "-")) {
    fileTypeA = psStdout;
    f = stdout;
  } else if (fileName[0] == '|') {
    fileTypeA = psPipe;
#ifdef HAVE_POPEN
#ifndef WIN32
    signal(SIGPIPE, (SignalFunc)SIG_IGN);
#endif
    if (!(f = popen(fileName + 1, "w"))) {
      error(-1, "Couldn't run print command '%s'", fileName);
      ok = gFalse;
      return;
    }
#else
    error(-1, "Print commands are not supported ('%s')", fileName);
    ok = gFalse;
    return;
#endif
  } else {
    fileTypeA = psFile;
    if (!(f = fopen(fileName, "w"))) {
      error(-1, "Couldn't open PostScript file '%s'", fileName);
      ok = gFalse;
      return;
    }
  }
 
  init(outputToFile, f, fileTypeA,
       xrefA, catalog, firstPage, lastPage, modeA);
}
 
PSOutputDev::PSOutputDev(PSOutputFunc outputFuncA, void *outputStreamA,
             XRef *xrefA, Catalog *catalog,
             int firstPage, int lastPage, PSOutMode modeA) {
  fontIDs = NULL;
  fontFileIDs = NULL;
  fontFileNames = NULL;
  font16Enc = NULL;
  embFontList = NULL;
  customColors = NULL;
  t3String = NULL;
 
  init(outputFuncA, outputStreamA, psGeneric,
       xrefA, catalog, firstPage, lastPage, modeA);
}
 
void PSOutputDev::init(PSOutputFunc outputFuncA, void *outputStreamA,
               PSFileType fileTypeA, XRef *xrefA, Catalog *catalog,
               int firstPage, int lastPage, PSOutMode modeA) {
  Page *page;
  PDFRectangle *box;
  Dict *resDict;
  Annots *annots;
  char **p;
  int pg;
  Object obj1, obj2;
  int i;
 
  // initialize
  ok = gTrue;
  outputFunc = outputFuncA;
  outputStream = outputStreamA;
  fileType = fileTypeA;
  xref = xrefA;
  level = globalParams->getPSLevel();
  mode = modeA;
  paperWidth = globalParams->getPSPaperWidth();
  paperHeight = globalParams->getPSPaperHeight();
  if (mode == psModeForm) {
    lastPage = firstPage;
  }
  processColors = 0;
  inType3Char = gFalse;
 
#if OPI_SUPPORT
  // initialize OPI nesting levels
  opi13Nest = 0;
  opi20Nest = 0;
#endif
 
  // initialize fontIDs, fontFileIDs, and fontFileNames lists
  fontIDSize = 64;
  fontIDLen = 0;
  fontIDs = (Ref *)gmalloc(fontIDSize * sizeof(Ref));
  fontFileIDSize = 64;
  fontFileIDLen = 0;
  fontFileIDs = (Ref *)gmalloc(fontFileIDSize * sizeof(Ref));
  fontFileNameSize = 64;
  fontFileNameLen = 0;
  fontFileNames = (GString **)gmalloc(fontFileNameSize * sizeof(GString *));
  font16EncLen = 0;
  font16EncSize = 0;
 
  // initialize embedded font resource comment list
  embFontList = new GString();
 
  // write header
  switch (mode) {
  case psModePS:
    writePS("%!PS-Adobe-3.0\n");
    writePSFmt("%%%%Creator: xpdf/pdftops %s\n", xpdfVersion);
    writePSFmt("%%%%LanguageLevel: %d\n",
           (level == psLevel1 || level == psLevel1Sep) ? 1 :
           (level == psLevel2 || level == psLevel2Sep) ? 2 : 3);
    if (level == psLevel1Sep || level == psLevel2Sep || level == psLevel3Sep) {
      writePS("%%DocumentProcessColors: (atend)\n");
      writePS("%%DocumentCustomColors: (atend)\n");
    }
    writePS("%%DocumentSuppliedResources: (atend)\n");
    writePSFmt("%%%%DocumentMedia: plain %d %d 0 () ()\n",
           paperWidth, paperHeight);
    writePSFmt("%%%%Pages: %d\n", lastPage - firstPage + 1);
    writePS("%%EndComments\n");
    writePS("%%BeginDefaults\n");
    writePS("%%PageMedia: plain\n");
    writePS("%%EndDefaults\n");
    break;
  case psModeEPS:
    writePS("%!PS-Adobe-3.0 EPSF-3.0\n");
    writePSFmt("%%%%Creator: xpdf/pdftops %s\n", xpdfVersion);
    writePSFmt("%%%%LanguageLevel: %d\n",
           (level == psLevel1 || level == psLevel1Sep) ? 1 :
           (level == psLevel2 || level == psLevel2Sep) ? 2 : 3);
    if (level == psLevel1Sep || level == psLevel2Sep || level == psLevel3Sep) {
      writePS("%%DocumentProcessColors: (atend)\n");
      writePS("%%DocumentCustomColors: (atend)\n");
    }
    page = catalog->getPage(firstPage);
    box = page->getBox();
    writePSFmt("%%%%BoundingBox: %d %d %d %d\n",
           (int)floor(box->x1), (int)floor(box->y1),
           (int)ceil(box->x2), (int)ceil(box->y2));
    if (floor(box->x1) != ceil(box->x1) ||
    floor(box->y1) != ceil(box->y1) ||
    floor(box->x2) != ceil(box->x2) ||
    floor(box->y2) != ceil(box->y2)) {
      writePSFmt("%%%%HiResBoundingBox: %g %g %g %g\n",
         box->x1, box->y1, box->x2, box->y2);
    }
    writePS("%%DocumentSuppliedResources: (atend)\n");
    writePS("%%EndComments\n");
    break;
  case psModeForm:
    writePS("%!PS-Adobe-3.0 Resource-Form\n");
    writePSFmt("%%%%Creator: xpdf/pdftops %s\n", xpdfVersion);
    writePSFmt("%%%%LanguageLevel: %d\n",
           (level == psLevel1 || level == psLevel1Sep) ? 1 :
           (level == psLevel2 || level == psLevel2Sep) ? 2 : 3);
    if (level == psLevel1Sep || level == psLevel2Sep || level == psLevel3Sep) {
      writePS("%%DocumentProcessColors: (atend)\n");
      writePS("%%DocumentCustomColors: (atend)\n");
    }
    writePS("%%DocumentSuppliedResources: (atend)\n");
    writePS("%%EndComments\n");
    page = catalog->getPage(firstPage);
    box = page->getBox();
    writePS("32 dict dup begin\n");
    writePSFmt("/BBox [%d %d %d %d] def\n",
           (int)box->x1, (int)box->y1, (int)box->x2, (int)box->y2);
    writePS("/FormType 1 def\n");
    writePS("/Matrix [1 0 0 1 0 0] def\n");
    break;
  }
 
  // write prolog
  if (mode != psModeForm) {
    writePS("%%BeginProlog\n");
  }
  writePSFmt("%%%%BeginResource: procset xpdf %s 0\n", xpdfVersion);
  for (p = prolog; *p; ++p) {
    writePSFmt("%s\n", *p);
  }
  writePS("%%EndResource\n");
  if (level >= psLevel3) {
    for (p = cmapProlog; *p; ++p) {
      writePSFmt("%s\n", *p);
    }
  }
  if (mode != psModeForm) {
    writePS("%%EndProlog\n");
  }
 
  // set up fonts and images
  if (mode == psModeForm) {
    // swap the form and xpdf dicts
    writePS("xpdf end begin dup begin\n");
  } else {
    writePS("%%BeginSetup\n");
    writePS("xpdf begin\n");
  }
  for (pg = firstPage; pg <= lastPage; ++pg) {
    page = catalog->getPage(pg);
    if ((resDict = page->getResourceDict())) {
      setupResources(resDict);
    }
    annots = new Annots(xref, page->getAnnots(&obj1));
    obj1.free();
    for (i = 0; i < annots->getNumAnnots(); ++i) {
      if (annots->getAnnot(i)->getAppearance(&obj1)->isStream()) {
    obj1.streamGetDict()->lookup("Resources", &obj2);
    if (obj2.isDict()) {
      setupResources(obj2.getDict());
    }
    obj2.free();
      }
      obj1.free();
    }
    delete annots;
  }
  if (mode != psModeForm) {
    if (mode != psModeEPS) {
      writePSFmt("%d %d %s pdfSetup\n",
         paperWidth, paperHeight,
         globalParams->getPSDuplex() ? "true" : "false");
    }
#if OPI_SUPPORT
    if (globalParams->getPSOPI()) {
      writePS("/opiMatrix matrix currentmatrix def\n");
    }
#endif
    writePS("%%EndSetup\n");
  }
 
  // initialize sequential page number
  seqPage = 1;
}
 
PSOutputDev::~PSOutputDev() {
  PSOutCustomColor *cc;
  int i;
 
  if (ok) {
    if (mode == psModeForm) {
      writePS("/Foo exch /Form defineresource pop\n");
    } else {
      writePS("%%Trailer\n");
      writePS("end\n");
      writePS("%%DocumentSuppliedResources:\n");
      writePS(embFontList->getCString());
      if (level == psLevel1Sep || level == psLevel2Sep ||
      level == psLevel3Sep) {
         writePS("%%DocumentProcessColors:");
         if (processColors & psProcessCyan) {
       writePS(" Cyan");
     }
         if (processColors & psProcessMagenta) {
       writePS(" Magenta");
     }
         if (processColors & psProcessYellow) {
       writePS(" Yellow");
     }
         if (processColors & psProcessBlack) {
       writePS(" Black");
     }
         writePS("\n");
         writePS("%%DocumentCustomColors:");
     for (cc = customColors; cc; cc = cc->next) {
       writePSFmt(" (%s)", cc->name->getCString());
     }
         writePS("\n");
         writePS("%%CMYKCustomColor:\n");
     for (cc = customColors; cc; cc = cc->next) {
       writePSFmt("%%%%+ %g %g %g %g (%s)\n",
           cc->c, cc->m, cc->y, cc->k, cc->name->getCString());
     }
      }
      writePS("%%EOF\n");
    }
    if (fileType == psFile) {
#ifdef MACOS
      ICS_MapRefNumAndAssign((short)((FILE *)outputStream)->handle);
#endif
      fclose((FILE *)outputStream);
    }
#ifdef HAVE_POPEN
    else if (fileType == psPipe) {
      pclose((FILE *)outputStream);
#ifndef WIN32
      signal(SIGPIPE, (SignalFunc)SIG_DFL);
#endif
    }
#endif
  }
  if (embFontList) {
    delete embFontList;
  }
  if (fontIDs) {
    gfree(fontIDs);
  }
  if (fontFileIDs) {
    gfree(fontFileIDs);
  }
  if (fontFileNames) {
    for (i = 0; i < fontFileNameLen; ++i) {
      delete fontFileNames[i];
    }
    gfree(fontFileNames);
  }
  if (font16Enc) {
    for (i = 0; i < font16EncLen; ++i) {
      delete font16Enc[i].enc;
    }
    gfree(font16Enc);
  }
  while (customColors) {
    cc = customColors;
    customColors = cc->next;
    delete cc;
  }
}
 
void PSOutputDev::setupResources(Dict *resDict) {
  Object xObjDict, xObj, resObj;
  int i;
 
  setupFonts(resDict);
  setupImages(resDict);
 
  resDict->lookup("XObject", &xObjDict);
  if (xObjDict.isDict()) {
    for (i = 0; i < xObjDict.dictGetLength(); ++i) {
      xObjDict.dictGetVal(i, &xObj);
      if (xObj.isStream()) {
    xObj.streamGetDict()->lookup("Resources", &resObj);
    if (resObj.isDict()) {
      setupResources(resObj.getDict());
    }
    resObj.free();
      }
      xObj.free();
    }
  }
  xObjDict.free();
}
 
void PSOutputDev::setupFonts(Dict *resDict) {
  Object fontDict;
  GfxFontDict *gfxFontDict;
  GfxFont *font;
  int i;
 
  resDict->lookup("Font", &fontDict);
  if (fontDict.isDict()) {
    gfxFontDict = new GfxFontDict(xref, fontDict.getDict());
    for (i = 0; i < gfxFontDict->getNumFonts(); ++i) {
      font = gfxFontDict->getFont(i);
      setupFont(font, resDict);
    }
    delete gfxFontDict;
  }
  fontDict.free();
}
 
void PSOutputDev::setupFont(GfxFont *font, Dict *parentResDict) {
  Ref fontFileID;
  GString *name;
  PSFontParam *fontParam;
  GString *psNameStr;
  char *psName;
  char type3Name[64], buf[16];
  UnicodeMap *uMap;
  char *charName;
  double xs, ys;
  int code;
  double w1, w2;
  double *fm;
  int i, j;
 
  // check if font is already set up
  for (i = 0; i < fontIDLen; ++i) {
    if (fontIDs[i].num == font->getID()->num &&
    fontIDs[i].gen == font->getID()->gen) {
      return;
    }
  }
 
  // add entry to fontIDs list
  if (fontIDLen >= fontIDSize) {
    fontIDSize += 64;
    fontIDs = (Ref *)grealloc(fontIDs, fontIDSize * sizeof(Ref));
  }
  fontIDs[fontIDLen++] = *font->getID();
 
  xs = ys = 1;
  psNameStr = NULL;
 
  // check for resident 8-bit font
  if (font->getName() &&
      (fontParam = globalParams->getPSFont(font->getName()))) {
    psName = fontParam->psFontName->getCString();
 
  // check for embedded Type 1 font
  } else if (globalParams->getPSEmbedType1() &&
         font->getType() == fontType1 &&
         font->getEmbeddedFontID(&fontFileID)) {
    psNameStr = filterPSName(font->getEmbeddedFontName());
    psName = psNameStr->getCString();
    setupEmbeddedType1Font(&fontFileID, psName);
 
  // check for embedded Type 1C font
  } else if (globalParams->getPSEmbedType1() &&
         font->getType() == fontType1C &&
         font->getEmbeddedFontID(&fontFileID)) {
    psNameStr = filterPSName(font->getEmbeddedFontName());
    psName = psNameStr->getCString();
    setupEmbeddedType1CFont(font, &fontFileID, psName);
 
  // check for external Type 1 font file
  } else if (globalParams->getPSEmbedType1() &&
         font->getType() == fontType1 &&
         font->getExtFontFile()) {
    // this assumes that the PS font name matches the PDF font name
    psName = font->getName()->getCString();
    setupExternalType1Font(font->getExtFontFile(), psName);
 
  // check for embedded TrueType font
  } else if (globalParams->getPSEmbedTrueType() &&
         font->getType() == fontTrueType &&
         font->getEmbeddedFontID(&fontFileID)) {
    psNameStr = filterPSName(font->getEmbeddedFontName());
    psName = psNameStr->getCString();
    setupEmbeddedTrueTypeFont(font, &fontFileID, psName);
 
  // check for external TrueType font file
  } else if (globalParams->getPSEmbedTrueType() &&
         font->getType() == fontTrueType &&
         font->getExtFontFile()) {
    psNameStr = filterPSName(font->getName());
    psName = psNameStr->getCString();
    setupExternalTrueTypeFont(font, psName);
 
  // check for embedded CID PostScript font
  } else if (globalParams->getPSEmbedCIDPostScript() &&
         font->getType() == fontCIDType0C &&
         font->getEmbeddedFontID(&fontFileID)) {
    psNameStr = filterPSName(font->getEmbeddedFontName());
    psName = psNameStr->getCString();
    setupEmbeddedCIDType0Font(font, &fontFileID, psName);
 
  // check for embedded CID TrueType font
  } else if (globalParams->getPSEmbedCIDTrueType() &&
         font->getType() == fontCIDType2 &&
         font->getEmbeddedFontID(&fontFileID)) {
    psNameStr = filterPSName(font->getEmbeddedFontName());
    psName = psNameStr->getCString();
    setupEmbeddedCIDTrueTypeFont(font, &fontFileID, psName);
 
  } else if (font->getType() == fontType3) {
    sprintf(type3Name, "T3_%d_%d",
        font->getID()->num, font->getID()->gen);
    psName = type3Name;
    setupType3Font(font, psName, parentResDict);
 
  // do 8-bit font substitution
  } else if (!font->isCIDFont()) {
    name = font->getName();
    psName = NULL;
    if (name) {
      for (i = 0; psFonts[i]; ++i) {
    if (name->cmp(psFonts[i]) == 0) {
      psName = psFonts[i];
      break;
    }
      }
    }
    if (!psName) {
      if (font->isFixedWidth()) {
    i = 8;
      } else if (font->isSerif()) {
    i = 4;
      } else {
    i = 0;
      }
      if (font->isBold()) {
    i += 2;
      }
      if (font->isItalic()) {
    i += 1;
      }
      psName = psSubstFonts[i].psName;
      for (code = 0; code < 256; ++code) {
    if ((charName = ((Gfx8BitFont *)font)->getCharName(code)) &&
        charName[0] == 'm' && charName[1] == '\0') {
      break;
    }
      }
      if (code < 256) {
    w1 = ((Gfx8BitFont *)font)->getWidth(code);
      } else {
    w1 = 0;
      }
      w2 = psSubstFonts[i].mWidth;
      xs = w1 / w2;
      if (xs < 0.1) {
    xs = 1;
      }
      if (font->getType() == fontType3) {
    // This is a hack which makes it possible to substitute for some
    // Type 3 fonts.  The problem is that it's impossible to know what
    // the base coordinate system used in the font is without actually
    // rendering the font.
    ys = xs;
    fm = font->getFontMatrix();
    if (fm[0] != 0) {
      ys *= fm[3] / fm[0];
    }
      } else {
    ys = 1;
      }
    }
 
  // do 16-bit font substitution
  } else if ((fontParam = globalParams->
            getPSFont16(font->getName(),
                ((GfxCIDFont *)font)->getCollection(),
                font->getWMode()))) {
    psName = fontParam->psFontName->getCString();
    if (font16EncLen >= font16EncSize) {
      font16EncSize += 16;
      font16Enc = (PSFont16Enc *)grealloc(font16Enc,
                      font16EncSize * sizeof(PSFont16Enc));
    }
    font16Enc[font16EncLen].fontID = *font->getID();
    font16Enc[font16EncLen].enc = fontParam->encoding->copy();
    if ((uMap = globalParams->getUnicodeMap(font16Enc[font16EncLen].enc))) {
      uMap->decRefCnt();
      ++font16EncLen;
    } else {
      error(-1, "Couldn't find Unicode map for 16-bit font encoding '%s'",
        font16Enc[font16EncLen].enc->getCString());
    }
 
  // give up - can't do anything with this font
  } else {
    error(-1, "Couldn't find a font to substitute for '%s' ('%s' character collection)",
      font->getName() ? font->getName()->getCString() : "(unnamed)",
      ((GfxCIDFont *)font)->getCollection()
        ? ((GfxCIDFont *)font)->getCollection()->getCString()
        : "(unknown)");
    return;
  }
 
  // generate PostScript code to set up the font
  if (font->isCIDFont()) {
    if (level == psLevel3 || level == psLevel3Sep) {
      writePSFmt("/F%d_%d /%s %d pdfMakeFont16L3\n",
         font->getID()->num, font->getID()->gen, psName,
         font->getWMode());
    } else {
      writePSFmt("/F%d_%d /%s %d pdfMakeFont16\n",
         font->getID()->num, font->getID()->gen, psName,
         font->getWMode());
    }
  } else {
    writePSFmt("/F%d_%d /%s %g %g\n",
           font->getID()->num, font->getID()->gen, psName, xs, ys);
    for (i = 0; i < 256; i += 8) {
      writePSFmt((i == 0) ? "[ " : "  ");
      for (j = 0; j < 8; ++j) {
    if (font->getType() == fontTrueType &&
        !((Gfx8BitFont *)font)->getHasEncoding()) {
      sprintf(buf, "c%02x", i+j);
      charName = buf;
    } else {
      charName = ((Gfx8BitFont *)font)->getCharName(i+j);
      // this is a kludge for broken PDF files that encode char 32
      // as .notdef
      if (i+j == 32 && charName && !strcmp(charName, ".notdef")) {
        charName = "space";
      }
    }
    writePS("/");
    writePSName(charName ? charName : (char *)".notdef");
      }
      writePS((i == 256-8) ? (char *)"]\n" : (char *)"\n");
    }
    writePS("pdfMakeFont\n");
  }
 
  if (psNameStr) {
    delete psNameStr;
  }
}
 
void PSOutputDev::setupEmbeddedType1Font(Ref *id, char *psName) {
  static char hexChar[17] = "0123456789abcdef";
  Object refObj, strObj, obj1, obj2;
  Dict *dict;
  int length1, length2;
  int c;
  int start[4];
  GBool binMode;
  int i;
 
  // check if font is already embedded
  for (i = 0; i < fontFileIDLen; ++i) {
    if (fontFileIDs[i].num == id->num &&
    fontFileIDs[i].gen == id->gen)
      return;
  }
 
  // add entry to fontFileIDs list
  if (fontFileIDLen >= fontFileIDSize) {
    fontFileIDSize += 64;
    fontFileIDs = (Ref *)grealloc(fontFileIDs, fontFileIDSize * sizeof(Ref));
  }
  fontFileIDs[fontFileIDLen++] = *id;
 
  // get the font stream and info
  refObj.initRef(id->num, id->gen);
  refObj.fetch(xref, &strObj);
  refObj.free();
  if (!strObj.isStream()) {
    error(-1, "Embedded font file object is not a stream");
    goto err1;
  }
  if (!(dict = strObj.streamGetDict())) {
    error(-1, "Embedded font stream is missing its dictionary");
    goto err1;
  }
  dict->lookup("Length1", &obj1);
  dict->lookup("Length2", &obj2);
  if (!obj1.isInt() || !obj2.isInt()) {
    error(-1, "Missing length fields in embedded font stream dictionary");
    obj1.free();
    obj2.free();
    goto err1;
  }
  length1 = obj1.getInt();
  length2 = obj2.getInt();
  obj1.free();
  obj2.free();
 
  // beginning comment
  writePSFmt("%%%%BeginResource: font %s\n", psName);
  embFontList->append("%%+ font ");
  embFontList->append(psName);
  embFontList->append("\n");
 
  // copy ASCII portion of font
  strObj.streamReset();
  for (i = 0; i < length1 && (c = strObj.streamGetChar()) != EOF; ++i) {
    writePSChar(c);
  }
 
  // figure out if encrypted portion is binary or ASCII
  binMode = gFalse;
  for (i = 0; i < 4; ++i) {
    start[i] = strObj.streamGetChar();
    if (start[i] == EOF) {
      error(-1, "Unexpected end of file in embedded font stream");
      goto err1;
    }
    if (!((start[i] >= '0' && start[i] <= '9') ||
      (start[i] >= 'A' && start[i] <= 'F') ||
      (start[i] >= 'a' && start[i] <= 'f')))
      binMode = gTrue;
  }
 
  // convert binary data to ASCII
  if (binMode) {
    for (i = 0; i < 4; ++i) {
      writePSChar(hexChar[(start[i] >> 4) & 0x0f]);
      writePSChar(hexChar[start[i] & 0x0f]);
    }
    while (i < length2) {
      if ((c = strObj.streamGetChar()) == EOF) {
    break;
      }
      writePSChar(hexChar[(c >> 4) & 0x0f]);
      writePSChar(hexChar[c & 0x0f]);
      if (++i % 32 == 0) {
    writePSChar('\n');
      }
    }
    if (i % 32 > 0) {
      writePSChar('\n');
    }
 
  // already in ASCII format -- just copy it
  } else {
    for (i = 0; i < 4; ++i) {
      writePSChar(start[i]);
    }
    for (i = 4; i < length2; ++i) {
      if ((c = strObj.streamGetChar()) == EOF) {
    break;
      }
      writePSChar(c);
    }
  }
 
  // write padding and "cleartomark"
  for (i = 0; i < 8; ++i) {
    writePS("00000000000000000000000000000000"
        "00000000000000000000000000000000\n");
  }
  writePS("cleartomark\n");
 
  // ending comment
  writePS("%%EndResource\n");
 
 err1:
  strObj.streamClose();
  strObj.free();
}
 
//~ This doesn't handle .pfb files or binary eexec data (which only
//~ happens in pfb files?).
void PSOutputDev::setupExternalType1Font(GString *fileName, char *psName) {
  FILE *fontFile;
  int c;
  int i;
 
  // check if font is already embedded
  for (i = 0; i < fontFileNameLen; ++i) {
    if (!fontFileNames[i]->cmp(fileName)) {
      return;
    }
  }
 
  // add entry to fontFileNames list
  if (fontFileNameLen >= fontFileNameSize) {
    fontFileNameSize += 64;
    fontFileNames = (GString **)grealloc(fontFileNames,
                     fontFileNameSize * sizeof(GString *));
  }
  fontFileNames[fontFileNameLen++] = fileName->copy();
 
  // beginning comment
  writePSFmt("%%%%BeginResource: font %s\n", psName);
  embFontList->append("%%+ font ");
  embFontList->append(psName);
  embFontList->append("\n");
 
  // copy the font file
  if (!(fontFile = fopen(fileName->getCString(), "rb"))) {
    error(-1, "Couldn't open external font file");
    return;
  }
  while ((c = fgetc(fontFile)) != EOF) {
    writePSChar(c);
  }
  fclose(fontFile);
 
  // ending comment
  writePS("%%EndResource\n");
}
 
void PSOutputDev::setupEmbeddedType1CFont(GfxFont *font, Ref *id,
                      char *psName) {
  char *fontBuf;
  int fontLen;
  Type1CFontFile *t1cFile;
  int i;
 
  // check if font is already embedded
  for (i = 0; i < fontFileIDLen; ++i) {
    if (fontFileIDs[i].num == id->num &&
    fontFileIDs[i].gen == id->gen)
      return;
  }
 
  // add entry to fontFileIDs list
  if (fontFileIDLen >= fontFileIDSize) {
    fontFileIDSize += 64;
    fontFileIDs = (Ref *)grealloc(fontFileIDs, fontFileIDSize * sizeof(Ref));
  }
  fontFileIDs[fontFileIDLen++] = *id;
 
  // beginning comment
  writePSFmt("%%%%BeginResource: font %s\n", psName);
  embFontList->append("%%+ font ");
  embFontList->append(psName);
  embFontList->append("\n");
 
  // convert it to a Type 1 font
  fontBuf = font->readEmbFontFile(xref, &fontLen);
  t1cFile = new Type1CFontFile(fontBuf, fontLen);
  t1cFile->convertToType1(outputFunc, outputStream);
  delete t1cFile;
  gfree(fontBuf);
 
  // ending comment
  writePS("%%EndResource\n");
}
 
void PSOutputDev::setupEmbeddedTrueTypeFont(GfxFont *font, Ref *id,
                        char *psName) {
  char *fontBuf;
  int fontLen;
  TrueTypeFontFile *ttFile;
  CharCodeToUnicode *ctu;
  int i;
 
  // check if font is already embedded
  for (i = 0; i < fontFileIDLen; ++i) {
    if (fontFileIDs[i].num == id->num &&
    fontFileIDs[i].gen == id->gen)
      return;
  }
 
  // add entry to fontFileIDs list
  if (fontFileIDLen >= fontFileIDSize) {
    fontFileIDSize += 64;
    fontFileIDs = (Ref *)grealloc(fontFileIDs, fontFileIDSize * sizeof(Ref));
  }
  fontFileIDs[fontFileIDLen++] = *id;
 
  // beginning comment
  writePSFmt("%%%%BeginResource: font %s\n", psName);
  embFontList->append("%%+ font ");
  embFontList->append(psName);
  embFontList->append("\n");
 
  // convert it to a Type 42 font
  fontBuf = font->readEmbFontFile(xref, &fontLen);
  ttFile = new TrueTypeFontFile(fontBuf, fontLen);
  ctu = ((Gfx8BitFont *)font)->getToUnicode();
  ttFile->convertToType42(psName, ((Gfx8BitFont *)font)->getEncoding(),
              ctu, ((Gfx8BitFont *)font)->getHasEncoding(),
              outputFunc, outputStream);
  ctu->decRefCnt();
  delete ttFile;
  gfree(fontBuf);
 
  // ending comment
  writePS("%%EndResource\n");
}
 
void PSOutputDev::setupExternalTrueTypeFont(GfxFont *font, char *psName) {
  GString *fileName;
  char *fontBuf;
  int fontLen;
  TrueTypeFontFile *ttFile;
  CharCodeToUnicode *ctu;
  int i;
 
  // check if font is already embedded
  fileName = font->getExtFontFile();
  for (i = 0; i < fontFileNameLen; ++i) {
    if (!fontFileNames[i]->cmp(fileName)) {
      return;
    }
  }
 
  // add entry to fontFileNames list
  if (fontFileNameLen >= fontFileNameSize) {
    fontFileNameSize += 64;
    fontFileNames = (GString **)grealloc(fontFileNames,
                     fontFileNameSize * sizeof(GString *));
  }
  fontFileNames[fontFileNameLen++] = fileName->copy();
 
  // beginning comment
  writePSFmt("%%%%BeginResource: font %s\n", psName);
  embFontList->append("%%+ font ");
  embFontList->append(psName);
  embFontList->append("\n");
 
  // convert it to a Type 42 font
  fontBuf = font->readExtFontFile(&fontLen);
  ttFile = new TrueTypeFontFile(fontBuf, fontLen);
  ctu = ((Gfx8BitFont *)font)->getToUnicode();
  ttFile->convertToType42(psName, ((Gfx8BitFont *)font)->getEncoding(),
              ctu, ((Gfx8BitFont *)font)->getHasEncoding(),
              outputFunc, outputStream);
  ctu->decRefCnt();
  delete ttFile;
  gfree(fontBuf);
 
  // ending comment
  writePS("%%EndResource\n");
}
 
void PSOutputDev::setupEmbeddedCIDType0Font(GfxFont *font, Ref *id,
                        char *psName) {
  char *fontBuf;
  int fontLen;
  Type1CFontFile *t1cFile;
  int i;
 
  // check if font is already embedded
  for (i = 0; i < fontFileIDLen; ++i) {
    if (fontFileIDs[i].num == id->num &&
    fontFileIDs[i].gen == id->gen)
      return;
  }
 
  // add entry to fontFileIDs list
  if (fontFileIDLen >= fontFileIDSize) {
    fontFileIDSize += 64;
    fontFileIDs = (Ref *)grealloc(fontFileIDs, fontFileIDSize * sizeof(Ref));
  }
  fontFileIDs[fontFileIDLen++] = *id;
 
  // beginning comment
  writePSFmt("%%%%BeginResource: font %s\n", psName);
  embFontList->append("%%+ font ");
  embFontList->append(psName);
  embFontList->append("\n");
 
  // convert it to a Type 0 font
  fontBuf = font->readEmbFontFile(xref, &fontLen);
  t1cFile = new Type1CFontFile(fontBuf, fontLen);
  if (globalParams->getPSLevel() >= psLevel3) {
    // Level 3: use a CID font
    t1cFile->convertToCIDType0(psName, outputFunc, outputStream);
  } else {
    // otherwise: use a non-CID composite font
    t1cFile->convertToType0(psName, outputFunc, outputStream);
  }
  delete t1cFile;
  gfree(fontBuf);
 
  // ending comment
  writePS("%%EndResource\n");
}
 
void PSOutputDev::setupEmbeddedCIDTrueTypeFont(GfxFont *font, Ref *id,
                           char *psName) {
  char *fontBuf;
  int fontLen;
  TrueTypeFontFile *ttFile;
  int i;
 
  // check if font is already embedded
  for (i = 0; i < fontFileIDLen; ++i) {
    if (fontFileIDs[i].num == id->num &&
    fontFileIDs[i].gen == id->gen)
      return;
  }
 
  // add entry to fontFileIDs list
  if (fontFileIDLen >= fontFileIDSize) {
    fontFileIDSize += 64;
    fontFileIDs = (Ref *)grealloc(fontFileIDs, fontFileIDSize * sizeof(Ref));
  }
  fontFileIDs[fontFileIDLen++] = *id;
 
  // beginning comment
  writePSFmt("%%%%BeginResource: font %s\n", psName);
  embFontList->append("%%+ font ");
  embFontList->append(psName);
  embFontList->append("\n");
 
  // convert it to a Type 0 font
  fontBuf = font->readEmbFontFile(xref, &fontLen);
  ttFile = new TrueTypeFontFile(fontBuf, fontLen);
  if (globalParams->getPSLevel() >= psLevel3) {
    ttFile->convertToCIDType2(psName,
                  ((GfxCIDFont *)font)->getCIDToGID(),
                  ((GfxCIDFont *)font)->getCIDToGIDLen(),
                  outputFunc, outputStream);
  } else {
    // otherwise: use a non-CID composite font
    ttFile->convertToType0(psName, ((GfxCIDFont *)font)->getCIDToGID(),
               ((GfxCIDFont *)font)->getCIDToGIDLen(),
               outputFunc, outputStream);
  }
  delete ttFile;
  gfree(fontBuf);
 
  // ending comment
  writePS("%%EndResource\n");
}
 
void PSOutputDev::setupType3Font(GfxFont *font, char *psName,
                 Dict *parentResDict) {
  Dict *resDict;
  Dict *charProcs;
  Object charProc;
  Gfx *gfx;
  PDFRectangle box;
  double *m;
  char buf[256];
  int i;
 
  // set up resources used by font
  if ((resDict = ((Gfx8BitFont *)font)->getResources())) {
    setupResources(resDict);
  } else {
    resDict = parentResDict;
  }
 
  // beginning comment
  writePSFmt("%%%%BeginResource: font %s\n", psName);
  embFontList->append("%%+ font ");
  embFontList->append(psName);
  embFontList->append("\n");
 
  // font dictionary
  writePS("7 dict begin\n");
  writePS("/FontType 3 def\n");
  m = font->getFontMatrix();
  writePSFmt("/FontMatrix [%g %g %g %g %g %g] def\n",
         m[0], m[1], m[2], m[3], m[4], m[5]);
  m = font->getFontBBox();
  writePSFmt("/FontBBox [%g %g %g %g] def\n",
         m[0], m[1], m[2], m[3]);
  writePS("/Encoding 256 array def\n");
  writePS("  0 1 255 { Encoding exch /.notdef put } for\n");
  writePS("/BuildGlyph {\n");
  writePS("  exch /CharProcs get exch\n");
  writePS("  2 copy known not { pop /.notdef } if\n");
  writePS("  get exec\n");
  writePS("} bind def\n");
  writePS("/BuildChar {\n");
  writePS("  1 index /Encoding get exch get\n");
  writePS("  1 index /BuildGlyph get exec\n");
  writePS("} bind def\n");
  if ((charProcs = ((Gfx8BitFont *)font)->getCharProcs())) {
    writePSFmt("/CharProcs %d dict def\n", charProcs->getLength());
    writePS("CharProcs begin\n");
    box.x1 = m[0];
    box.y1 = m[1];
    box.x2 = m[2];
    box.y2 = m[3];
    gfx = new Gfx(xref, this, resDict, &box, gFalse, NULL);
    inType3Char = gTrue;
    t3Cacheable = gFalse;
    for (i = 0; i < charProcs->getLength(); ++i) {
      writePS("/");
      writePSName(charProcs->getKey(i));
      writePS(" {\n");
      gfx->display(charProcs->getVal(i, &charProc));
      charProc.free();
      if (t3String) {
    if (t3Cacheable) {
      sprintf(buf, "%g %g %g %g %g %g setcachedevice\n",
          t3WX, t3WY, t3LLX, t3LLY, t3URX, t3URY);
    } else {
      sprintf(buf, "%g %g setcharwidth\n", t3WX, t3WY);
    }
    (*outputFunc)(outputStream, buf, strlen(buf));
    (*outputFunc)(outputStream, t3String->getCString(),
              t3String->getLength());
    delete t3String;
    t3String = NULL;
      }
      (*outputFunc)(outputStream, "Q\n", 2);
      writePS("} def\n");
    }
    inType3Char = gFalse;
    delete gfx;
    writePS("end\n");
  }
  writePS("currentdict end\n");
  writePSFmt("/%s exch definefont pop\n", psName);
 
  // ending comment
  writePS("%%EndResource\n");
}
 
void PSOutputDev::setupImages(Dict *resDict) {
  Object xObjDict, xObj, xObjRef, subtypeObj;
  int i;
 
  if (mode != psModeForm) {
    return;
  }
 
  resDict->lookup("XObject", &xObjDict);
  if (xObjDict.isDict()) {
    for (i = 0; i < xObjDict.dictGetLength(); ++i) {
      xObjDict.dictGetValNF(i, &xObjRef);
      xObjDict.dictGetVal(i, &xObj);
      if (xObj.isStream()) {
    xObj.streamGetDict()->lookup("Subtype", &subtypeObj);
    if (subtypeObj.isName("Image")) {
      if (xObjRef.isRef()) {
        setupImage(xObjRef.getRef(), xObj.getStream());
      } else {
        error(-1, "Image in resource dict is not an indirect reference");
      }
    }
    subtypeObj.free();
      }
      xObj.free();
      xObjRef.free();
    }
  }
  xObjDict.free();
}
 
void PSOutputDev::setupImage(Ref id, Stream *str) {
  int c;
  int size, line, col, i;
 
  // construct an encoder stream
  if (globalParams->getPSASCIIHex()) {
    str = new ASCIIHexEncoder(str);
  } else {
    str = new ASCII85Encoder(str);
  }
 
  // compute image data size
  str->reset();
  col = size = 0;
  do {
    do {
      c = str->getChar();
    } while (c == '\n' || c == '\r');
    if (c == '~' || c == EOF) {
      break;
    }
    if (c == 'z') {
      ++col;
    } else {
      ++col;
      for (i = 1; i <= 4; ++i) {
    do {
      c = str->getChar();
    } while (c == '\n' || c == '\r');
    if (c == '~' || c == EOF) {
      break;
    }
    ++col;
      }
    }
    if (col > 225) {
      ++size;
      col = 0;
    }
  } while (c != '~' && c != EOF);
  ++size;
  writePSFmt("%d array dup /ImData_%d_%d exch def\n", size, id.num, id.gen);
 
  // write the data into the array
  str->reset();
  line = col = 0;
  writePS("dup 0 <~");
  do {
    do {
      c = str->getChar();
    } while (c == '\n' || c == '\r');
    if (c == '~' || c == EOF) {
      break;
    }
    if (c == 'z') {
      writePSChar(c);
      ++col;
    } else {
      writePSChar(c);
      ++col;
      for (i = 1; i <= 4; ++i) {
    do {
      c = str->getChar();
    } while (c == '\n' || c == '\r');
    if (c == '~' || c == EOF) {
      break;
    }
    writePSChar(c);
    ++col;
      }
    }
    // each line is: "dup nnnnn <~...data...~> put<eol>"
    // so max data length = 255 - 20 = 235
    // chunks are 1 or 4 bytes each, so we have to stop at 232
    // but make it 225 just to be safe
    if (col > 225) {
      writePS("~> put\n");
      ++line;
      writePSFmt("dup %d <~", line);
      col = 0;
    }
  } while (c != '~' && c != EOF);
  writePS("~> put\n");
  writePS("pop\n");
 
  delete str;
}
 
void PSOutputDev::startPage(int pageNum, GfxState *state) {
  int x1, y1, x2, y2, width, height, t;
 
 
  switch (mode) {
 
  case psModePS:
    writePSFmt("%%%%Page: %d %d\n", pageNum, seqPage);
    writePS("%%BeginPageSetup\n");
 
    // rotate, translate, and scale page
    x1 = (int)(state->getX1() + 0.5);
    y1 = (int)(state->getY1() + 0.5);
    x2 = (int)(state->getX2() + 0.5);
    y2 = (int)(state->getY2() + 0.5);
    width = x2 - x1;
    height = y2 - y1;
    if (width > height && width > paperWidth) {
      landscape = gTrue;
      writePSFmt("%%%%PageQt::Orientation: %s\n",
         state->getCTM()[0] ? "Landscape" : "Portrait");
      writePS("pdfStartPage\n");
      writePS("90 rotate\n");
      tx = -x1;
      ty = -(y1 + paperWidth);
      t = width;
      width = height;
      height = t;
    } else {
      landscape = gFalse;
      writePSFmt("%%%%PageQt::Orientation: %s\n",
         state->getCTM()[0] ? "Portrait" : "Landscape");
      writePS("pdfStartPage\n");
      tx = -x1;
      ty = -y1;
    }
    if (width < paperWidth) {
      tx += (paperWidth - width) / 2;
    }
    if (height < paperHeight) {
      ty += (paperHeight - height) / 2;
    }
    if (tx != 0 || ty != 0) {
      writePSFmt("%g %g translate\n", tx, ty);
    }
    if (width > paperWidth || height > paperHeight) {
      xScale = (double)paperWidth / (double)width;
      yScale = (double)paperHeight / (double)height;
      if (yScale < xScale) {
    xScale = yScale;
      } else {
    yScale = xScale;
      }
      writePSFmt("%0.4f %0.4f scale\n", xScale, xScale);
    } else {
      xScale = yScale = 1;
    }
 
    writePS("%%EndPageSetup\n");
    ++seqPage;
    break;
 
  case psModeEPS:
    writePS("pdfStartPage\n");
    tx = ty = 0;
    xScale = yScale = 1;
    landscape = gFalse;
    break;
 
  case psModeForm:
    writePS("/PaintProc {\n");
    writePS("begin xpdf begin\n");
    writePS("pdfStartPage\n");
    tx = ty = 0;
    xScale = yScale = 1;
    landscape = gFalse;
    break;
  }
}
 
void PSOutputDev::endPage() {
 
  if (mode == psModeForm) {
    writePS("pdfEndPage\n");
    writePS("end end\n");
    writePS("} def\n");
    writePS("end end\n");
  } else {
    writePS("showpage\n");
    writePS("%%PageTrailer\n");
    writePS("pdfEndPage\n");
  }
}
 
void PSOutputDev::saveState(GfxState *state) {
  writePS("q\n");
}
 
void PSOutputDev::restoreState(GfxState *state) {
  writePS("Q\n");
}
 
void PSOutputDev::updateCTM(GfxState *state, double m11, double m12,
                double m21, double m22, double m31, double m32) {
  writePSFmt("[%g %g %g %g %g %g] cm\n", m11, m12, m21, m22, m31, m32);
}
 
void PSOutputDev::updateLineDash(GfxState *state) {
  double *dash;
  double start;
  int length, i;
 
  state->getLineDash(&dash, &length, &start);
  writePS("[");
  for (i = 0; i < length; ++i)
    writePSFmt("%g%s", dash[i], (i == length-1) ? "" : " ");
  writePSFmt("] %g d\n", start);
}
 
void PSOutputDev::updateFlatness(GfxState *state) {
  writePSFmt("%d i\n", state->getFlatness());
}
 
void PSOutputDev::updateLineJoin(GfxState *state) {
  writePSFmt("%d j\n", state->getLineJoin());
}
 
void PSOutputDev::updateLineCap(GfxState *state) {
  writePSFmt("%d J\n", state->getLineCap());
}
 
void PSOutputDev::updateMiterLimit(GfxState *state) {
  writePSFmt("%g M\n", state->getMiterLimit());
}
 
void PSOutputDev::updateLineWidth(GfxState *state) {
  writePSFmt("%g w\n", state->getLineWidth());
}
 
void PSOutputDev::updateFillColor(GfxState *state) {
  GfxColor color;
  double gray;
  GfxRGB rgb;
  GfxCMYK cmyk;
  GfxSeparationColorSpace *sepCS;
 
  switch (level) {
  case psLevel1:
    state->getFillGray(&gray);
    writePSFmt("%g g\n", gray);
    break;
  case psLevel1Sep:
    state->getFillCMYK(&cmyk);
    writePSFmt("%g %g %g %g k\n", cmyk.c, cmyk.m, cmyk.y, cmyk.k);
    addProcessColor(cmyk.c, cmyk.m, cmyk.y, cmyk.k);
    break;
  case psLevel2:
  case psLevel3:
    if (state->getFillColorSpace()->getMode() == csDeviceCMYK) {
      state->getFillCMYK(&cmyk);
      writePSFmt("%g %g %g %g k\n", cmyk.c, cmyk.m, cmyk.y, cmyk.k);
    } else {
      state->getFillRGB(&rgb);
      if (rgb.r == rgb.g && rgb.g == rgb.b) {
    writePSFmt("%g g\n", rgb.r);
      } else {
    writePSFmt("%g %g %g rg\n", rgb.r, rgb.g, rgb.b);
      }
    }
    break;
  case psLevel2Sep:
  case psLevel3Sep:
    if (state->getFillColorSpace()->getMode() == csSeparation) {
      sepCS = (GfxSeparationColorSpace *)state->getFillColorSpace();
      color.c[0] = 1;
      sepCS->getCMYK(&color, &cmyk);
      writePSFmt("%g %g %g %g %g (%s) ck\n",
         state->getFillColor()->c[0],
         cmyk.c, cmyk.m, cmyk.y, cmyk.k,
         sepCS->getName()->getCString());
      addCustomColor(sepCS);
    } else {
      state->getFillCMYK(&cmyk);
      writePSFmt("%g %g %g %g k\n", cmyk.c, cmyk.m, cmyk.y, cmyk.k);
      addProcessColor(cmyk.c, cmyk.m, cmyk.y, cmyk.k);
    }
    break;
  }
  t3Cacheable = gFalse;
}
 
void PSOutputDev::updateStrokeColor(GfxState *state) {
  GfxColor color;
  double gray;
  GfxRGB rgb;
  GfxCMYK cmyk;
  GfxSeparationColorSpace *sepCS;
 
  switch (level) {
  case psLevel1:
    state->getStrokeGray(&gray);
    writePSFmt("%g G\n", gray);
    break;
  case psLevel1Sep:
    state->getStrokeCMYK(&cmyk);
    writePSFmt("%g %g %g %g K\n", cmyk.c, cmyk.m, cmyk.y, cmyk.k);
    addProcessColor(cmyk.c, cmyk.m, cmyk.y, cmyk.k);
    break;
  case psLevel2:
  case psLevel3:
    if (state->getStrokeColorSpace()->getMode() == csDeviceCMYK) {
      state->getStrokeCMYK(&cmyk);
      writePSFmt("%g %g %g %g K\n", cmyk.c, cmyk.m, cmyk.y, cmyk.k);
    } else {
      state->getStrokeRGB(&rgb);
      if (rgb.r == rgb.g && rgb.g == rgb.b) {
    writePSFmt("%g G\n", rgb.r);
      } else {
    writePSFmt("%g %g %g RG\n", rgb.r, rgb.g, rgb.b);
      }
    }
    break;
  case psLevel2Sep:
  case psLevel3Sep:
    if (state->getStrokeColorSpace()->getMode() == csSeparation) {
      sepCS = (GfxSeparationColorSpace *)state->getStrokeColorSpace();
      color.c[0] = 1;
      sepCS->getCMYK(&color, &cmyk);
      writePSFmt("%g %g %g %g %g (%s) CK\n",
         state->getStrokeColor()->c[0],
         cmyk.c, cmyk.m, cmyk.y, cmyk.k,
         sepCS->getName()->getCString());
      addCustomColor(sepCS);
    } else {
      state->getStrokeCMYK(&cmyk);
      writePSFmt("%g %g %g %g K\n", cmyk.c, cmyk.m, cmyk.y, cmyk.k);
      addProcessColor(cmyk.c, cmyk.m, cmyk.y, cmyk.k);
    }
    break;
  }
  t3Cacheable = gFalse;
}
 
void PSOutputDev::addProcessColor(double c, double m, double y, double k) {
  if (c > 0) {
    processColors |= psProcessCyan;
  }
  if (m > 0) {
    processColors |= psProcessMagenta;
  }
  if (y > 0) {
    processColors |= psProcessYellow;
  }
  if (k > 0) {
    processColors |= psProcessBlack;
  }
}
 
void PSOutputDev::addCustomColor(GfxSeparationColorSpace *sepCS) {
  PSOutCustomColor *cc;
  GfxColor color;
  GfxCMYK cmyk;
 
  for (cc = customColors; cc; cc = cc->next) {
    if (!cc->name->cmp(sepCS->getName())) {
      return;
    }
  }
  color.c[0] = 1;
  sepCS->getCMYK(&color, &cmyk);
  cc = new PSOutCustomColor(cmyk.c, cmyk.m, cmyk.y, cmyk.k,
                sepCS->getName()->copy());
  cc->next = customColors;
  customColors = cc;
}
 
void PSOutputDev::updateFont(GfxState *state) {
  if (state->getFont()) {
    writePSFmt("/F%d_%d %g Tf\n",
           state->getFont()->getID()->num, state->getFont()->getID()->gen,
           state->getFontSize());
  }
}
 
void PSOutputDev::updateTextMat(GfxState *state) {
  double *mat;
 
  mat = state->getTextMat();
  writePSFmt("[%g %g %g %g %g %g] Tm\n",
         mat[0], mat[1], mat[2], mat[3], mat[4], mat[5]);
}
 
void PSOutputDev::updateCharSpace(GfxState *state) {
  writePSFmt("%g Tc\n", state->getCharSpace());
}
 
void PSOutputDev::updateRender(GfxState *state) {
  int rm;
 
  rm = state->getRender();
  writePSFmt("%d Tr\n", rm);
  rm &= 3;
  if (rm != 0 && rm != 3) {
    t3Cacheable = gFalse;
  }
}
 
void PSOutputDev::updateRise(GfxState *state) {
  writePSFmt("%g Ts\n", state->getRise());
}
 
void PSOutputDev::updateWordSpace(GfxState *state) {
  writePSFmt("%g Tw\n", state->getWordSpace());
}
 
void PSOutputDev::updateHorizScaling(GfxState *state) {
  writePSFmt("%g Tz\n", state->getHorizScaling());
}
 
void PSOutputDev::updateTextPos(GfxState *state) {
  writePSFmt("%g %g Td\n", state->getLineX(), state->getLineY());
}
 
void PSOutputDev::updateTextShift(GfxState *state, double shift) {
  if (state->getFont()->getWMode()) {
    writePSFmt("%g TJmV\n", shift);
  } else {
    writePSFmt("%g TJm\n", shift);
  }
}
 
void PSOutputDev::stroke(GfxState *state) {
  doPath(state->getPath());
  if (t3String) {
    // if we're construct a cacheable Type 3 glyph, we need to do
    // everything in the fill color
    writePS("Sf\n");
  } else {
    writePS("S\n");
  }
}
 
void PSOutputDev::fill(GfxState *state) {
  doPath(state->getPath());
  writePS("f\n");
}
 
void PSOutputDev::eoFill(GfxState *state) {
  doPath(state->getPath());
  writePS("f*\n");
}
 
void PSOutputDev::clip(GfxState *state) {
  doPath(state->getPath());
  writePS("W\n");
}
 
void PSOutputDev::eoClip(GfxState *state) {
  doPath(state->getPath());
  writePS("W*\n");
}
 
void PSOutputDev::doPath(GfxPath *path) {
  GfxSubpath *subpath;
  double x0, y0, x1, y1, x2, y2, x3, y3, x4, y4;
  int n, m, i, j;
 
  n = path->getNumSubpaths();
 
  if (n == 1 && path->getSubpath(0)->getNumPoints() == 5) {
    subpath = path->getSubpath(0);
    x0 = subpath->getX(0);
    y0 = subpath->getY(0);
    x4 = subpath->getX(4);
    y4 = subpath->getY(4);
    if (x4 == x0 && y4 == y0) {
      x1 = subpath->getX(1);
      y1 = subpath->getY(1);
      x2 = subpath->getX(2);
      y2 = subpath->getY(2);
      x3 = subpath->getX(3);
      y3 = subpath->getY(3);
      if (x0 == x1 && x2 == x3 && y0 == y3 && y1 == y2) {
    writePSFmt("%g %g %g %g re\n",
           x0 < x2 ? x0 : x2, y0 < y1 ? y0 : y1,
           fabs(x2 - x0), fabs(y1 - y0));
    return;
      } else if (x0 == x3 && x1 == x2 && y0 == y1 && y2 == y3) {
    writePSFmt("%g %g %g %g re\n",
           x0 < x1 ? x0 : x1, y0 < y2 ? y0 : y2,
           fabs(x1 - x0), fabs(y2 - y0));
    return;
      }
    }
  }
 
  for (i = 0; i < n; ++i) {
    subpath = path->getSubpath(i);
    m = subpath->getNumPoints();
    writePSFmt("%g %g m\n", subpath->getX(0), subpath->getY(0));
    j = 1;
    while (j < m) {
      if (subpath->getCurve(j)) {
    writePSFmt("%g %g %g %g %g %g c\n", subpath->getX(j), subpath->getY(j),
           subpath->getX(j+1), subpath->getY(j+1),
           subpath->getX(j+2), subpath->getY(j+2));
    j += 3;
      } else {
    writePSFmt("%g %g l\n", subpath->getX(j), subpath->getY(j));
    ++j;
      }
    }
    if (subpath->isClosed()) {
      writePS("h\n");
    }
  }
}
 
void PSOutputDev::drawString(GfxState *state, GString *s) {
  GfxFont *font;
  int wMode;
  GString *s2;
  double dx, dy, dx2, dy2, originX, originY;
  char *p;
  UnicodeMap *uMap;
  CharCode code;
  Unicode u[8];
  char buf[8];
  int len, nChars, uLen, n, m, i, j;
 
  // check for invisible text -- this is used by Acrobat Capture
  if ((state->getRender() & 3) == 3) {
    return;
  }
 
  // ignore empty strings
  if (s->getLength() == 0) {
    return;
  }
 
  // get the font
  if (!(font = state->getFont())) {
    return;
  }
  wMode = font->getWMode();
 
  // check for a subtitute 16-bit font
  uMap = NULL;
  if (font->isCIDFont()) {
    for (i = 0; i < font16EncLen; ++i) {
      if (font->getID()->num == font16Enc[i].fontID.num &&
      font->getID()->gen == font16Enc[i].fontID.gen) {
    uMap = globalParams->getUnicodeMap(font16Enc[i].enc);
    break;
      }
    }
  }
 
  // compute width of chars in string, ignoring char spacing and word
  // spacing -- the Tj operator will adjust for the metrics of the
  // font that's actually used
  dx = dy = 0;
  nChars = 0;
  p = s->getCString();
  len = s->getLength();
  if (font->isCIDFont()) {
    s2 = new GString();
  } else {
    s2 = s;
  }
  while (len > 0) {
    n = font->getNextChar(p, len, &code,
              u, (int)(sizeof(u) / sizeof(Unicode)), &uLen,
              &dx2, &dy2, &originX, &originY);
    if (font->isCIDFont()) {
      if (uMap) {
    for (i = 0; i < uLen; ++i) {
      m = uMap->mapUnicode(u[i], buf, (int)sizeof(buf));
      for (j = 0; j < m; ++j) {
        s2->append(buf[j]);
      }
    }
    //~ this really needs to get the number of chars in the target
    //~ encoding - which may be more than the number of Unicode
    //~ chars
    nChars += uLen;
      } else {
    s2->append((char)((code >> 8) & 0xff));
    s2->append((char)(code & 0xff));
    ++nChars;
      }
    }
    dx += dx2;
    dy += dy2;
    p += n;
    len -= n;
  }
  dx *= state->getFontSize() * state->getHorizScaling();
  dy *= state->getFontSize();
  if (uMap) {
    uMap->decRefCnt();
  }
 
  if (s2->getLength() > 0) {
    writePSString(s2);
    if (font->isCIDFont()) {
      if (wMode) {
    writePSFmt(" %d %g Tj16V\n", nChars, dy);
      } else {
    writePSFmt(" %d %g Tj16\n", nChars, dx);
      }
    } else {
      writePSFmt(" %g Tj\n", dx);
    }
  }
  if (font->isCIDFont()) {
    delete s2;
  }
}
 
void PSOutputDev::drawImageMask(GfxState *state, Object *ref, Stream *str,
                int width, int height, GBool invert,
                GBool inlineImg) {
  int len;
 
  len = height * ((width + 7) / 8);
  if (level == psLevel1 || level == psLevel1Sep) {
    doImageL1(NULL, invert, inlineImg, str, width, height, len);
  } else {
    doImageL2(ref, NULL, invert, inlineImg, str, width, height, len);
  }
}
 
void PSOutputDev::drawImage(GfxState *state, Object *ref, Stream *str,
                int width, int height, GfxImageColorMap *colorMap,
                int *maskColors, GBool inlineImg) {
  int len;
 
  len = height * ((width * colorMap->getNumPixelComps() *
           colorMap->getBits() + 7) / 8);
  switch (level) {
  case psLevel1:
    doImageL1(colorMap, gFalse, inlineImg, str, width, height, len);
    break;
  case psLevel1Sep:
    //~ handle indexed, separation, ... color spaces
    doImageL1Sep(colorMap, gFalse, inlineImg, str, width, height, len);
    break;
  case psLevel2:
  case psLevel2Sep:
  case psLevel3:
  case psLevel3Sep:
    doImageL2(ref, colorMap, gFalse, inlineImg, str, width, height, len);
    break;
  }
  t3Cacheable = gFalse;
}
 
void PSOutputDev::doImageL1(GfxImageColorMap *colorMap,
                GBool invert, GBool inlineImg,
                Stream *str, int width, int height, int len) {
  ImageStream *imgStr;
  Guchar pixBuf[gfxColorMaxComps];
  double gray;
  int x, y, i;
 
  // width, height, matrix, bits per component
  if (colorMap) {
    writePSFmt("%d %d 8 [%d 0 0 %d 0 %d] pdfIm1\n",
           width, height,
           width, -height, height);
  } else {
    writePSFmt("%d %d %s [%d 0 0 %d 0 %d] pdfImM1\n",
           width, height, invert ? "true" : "false",
           width, -height, height);
  }
 
  // image
  if (colorMap) {
 
    // set up to process the data stream
    imgStr = new ImageStream(str, width, colorMap->getNumPixelComps(),
                 colorMap->getBits());
    imgStr->reset();
 
    // process the data stream
    i = 0;
    for (y = 0; y < height; ++y) {
 
      // write the line
      for (x = 0; x < width; ++x) {
    imgStr->getPixel(pixBuf);
    colorMap->getGray(pixBuf, &gray);
    writePSFmt("%02x", (int)(gray * 255 + 0.5));
    if (++i == 32) {
      writePSChar('\n');
      i = 0;
    }
      }
    }
    if (i != 0) {
      writePSChar('\n');
    }
    delete imgStr;
 
  // imagemask
  } else {
    str->reset();
    i = 0;
    for (y = 0; y < height; ++y) {
      for (x = 0; x < width; x += 8) {
    writePSFmt("%02x", str->getChar() & 0xff);
    if (++i == 32) {
      writePSChar('\n');
      i = 0;
    }
      }
    }
    if (i != 0) {
      writePSChar('\n');
    }
    str->close();
  }
}
 
void PSOutputDev::doImageL1Sep(GfxImageColorMap *colorMap,
                   GBool invert, GBool inlineImg,
                   Stream *str, int width, int height, int len) {
  ImageStream *imgStr;
  Guchar *lineBuf;
  Guchar pixBuf[gfxColorMaxComps];
  GfxCMYK cmyk;
  int x, y, i, comp;
 
  // width, height, matrix, bits per component
  writePSFmt("%d %d 8 [%d 0 0 %d 0 %d] pdfIm1Sep\n",
         width, height,
         width, -height, height);
 
  // allocate a line buffer
  lineBuf = (Guchar *)gmalloc(4 * width);
 
  // set up to process the data stream
  imgStr = new ImageStream(str, width, colorMap->getNumPixelComps(),
               colorMap->getBits());
  imgStr->reset();
 
  // process the data stream
  i = 0;
  for (y = 0; y < height; ++y) {
 
    // read the line
    for (x = 0; x < width; ++x) {
      imgStr->getPixel(pixBuf);
      colorMap->getCMYK(pixBuf, &cmyk);
      lineBuf[4*x+0] = (int)(255 * cmyk.c + 0.5);
      lineBuf[4*x+1] = (int)(255 * cmyk.m + 0.5);
      lineBuf[4*x+2] = (int)(255 * cmyk.y + 0.5);
      lineBuf[4*x+3] = (int)(255 * cmyk.k + 0.5);
      addProcessColor(cmyk.c, cmyk.m, cmyk.y, cmyk.k);
    }
 
    // write one line of each color component
    for (comp = 0; comp < 4; ++comp) {
      for (x = 0; x < width; ++x) {
    writePSFmt("%02x", lineBuf[4*x + comp]);
    if (++i == 32) {
      writePSChar('\n');
      i = 0;
    }
      }
    }
  }
 
  if (i != 0) {
    writePSChar('\n');
  }
 
  delete imgStr;
  gfree(lineBuf);
}
 
void PSOutputDev::doImageL2(Object *ref, GfxImageColorMap *colorMap,
                GBool invert, GBool inlineImg,
                Stream *str, int width, int height, int len) {
  GString *s;
  int n, numComps;
  GBool useRLE, useASCII, useCompressed;
  GfxSeparationColorSpace *sepCS;
  GfxColor color;
  GfxCMYK cmyk;
  int c;
  int line, col, i;
 
  // color space
  if (colorMap) {
    dumpColorSpaceL2(colorMap->getColorSpace());
    writePS(" setcolorspace\n");
  }
 
  // set up the image data
  if (mode == psModeForm || inType3Char) {
    if (inlineImg) {
      // create an array
      str = new FixedLengthEncoder(str, len);
      if (globalParams->getPSASCIIHex()) {
    str = new ASCIIHexEncoder(str);
      } else {
    str = new ASCII85Encoder(str);
      }
      str->reset();
      line = col = 0;
      writePS("[<~");
      do {
    do {
      c = str->getChar();
    } while (c == '\n' || c == '\r');
    if (c == '~' || c == EOF) {
      break;
    }
    if (c == 'z') {
      writePSChar(c);
      ++col;
    } else {
      writePSChar(c);
      ++col;
      for (i = 1; i <= 4; ++i) {
        do {
          c = str->getChar();
        } while (c == '\n' || c == '\r');
        if (c == '~' || c == EOF) {
          break;
        }
        writePSChar(c);
        ++col;
      }
    }
    // each line is: "dup nnnnn <~...data...~> put<eol>"
    // so max data length = 255 - 20 = 235
    // chunks are 1 or 4 bytes each, so we have to stop at 232
    // but make it 225 just to be safe
    if (col > 225) {
      writePS("~>\n");
      ++line;
      writePSFmt("<~", line);
      col = 0;
    }
      } while (c != '~' && c != EOF);
      writePS("~>]\n");
      writePS("0\n");
      delete str;
    } else {
      // set up to use the array already created by setupImages()
      writePSFmt("ImData_%d_%d 0\n", ref->getRefNum(), ref->getRefGen());
    }
  }
 
  // image dictionary
  writePS("<<\n  /ImageType 1\n");
 
  // width, height, matrix, bits per component
  writePSFmt("  /Width %d\n", width);
  writePSFmt("  /Height %d\n", height);
  writePSFmt("  /ImageMatrix [%d 0 0 %d 0 %d]\n", width, -height, height);
  writePSFmt("  /BitsPerComponent %d\n",
         colorMap ? colorMap->getBits() : 1);
 
  // decode 
  if (colorMap) {
    writePS("  /Decode [");
    if (colorMap->getColorSpace()->getMode() == csSeparation) {
      //~ this is a kludge -- see comment in dumpColorSpaceL2
      n = (1 << colorMap->getBits()) - 1;
      writePSFmt("%g %g", colorMap->getDecodeLow(0) * n,
         colorMap->getDecodeHigh(0) * n);
    } else {
      numComps = colorMap->getNumPixelComps();
      for (i = 0; i < numComps; ++i) {
    if (i > 0) {
      writePS(" ");
    }
    writePSFmt("%g %g", colorMap->getDecodeLow(i),
           colorMap->getDecodeHigh(i));
      }
    }
    writePS("]\n");
  } else {
    writePSFmt("  /Decode [%d %d]\n", invert ? 1 : 0, invert ? 0 : 1);
  }
 
  if (mode == psModeForm || inType3Char) {
 
    // data source
    writePS("  /DataSource { 2 copy get exch 1 add exch }\n");
 
    // end of image dictionary
    writePSFmt(">>\n%s\n", colorMap ? "image" : "imagemask");
 
    // get rid of the array and index
    writePS("pop pop\n");
 
  } else {
 
    // data source
    writePS("  /DataSource currentfile\n");
    s = str->getPSFilter("    ");
    if (inlineImg || !s) {
      useRLE = gTrue;
      useASCII = gTrue;
      useCompressed = gFalse;
    } else {
      useRLE = gFalse;
      useASCII = str->isBinary();
      useCompressed = gTrue;
    }
    if (useASCII) {
      writePSFmt("    /ASCII%sDecode filter\n",
         globalParams->getPSASCIIHex() ? "Hex" : "85");
    }
    if (useRLE) {
      writePS("    /RunLengthDecode filter\n");
    }
    if (useCompressed) {
      writePS(s->getCString());
    }
    if (s) {
      delete s;
    }
 
    // cut off inline image streams at appropriate length
    if (inlineImg) {
      str = new FixedLengthEncoder(str, len);
    } else if (useCompressed) {
      str = str->getBaseStream();
    }
 
    // add RunLengthEncode and ASCIIHex/85 encode filters
    if (useRLE) {
      str = new RunLengthEncoder(str);
    }
    if (useASCII) {
      if (globalParams->getPSASCIIHex()) {
    str = new ASCIIHexEncoder(str);
      } else {
    str = new ASCII85Encoder(str);
      }
    }
 
    // end of image dictionary
    writePS(">>\n");
#if OPI_SUPPORT
    if (opi13Nest) {
      if (inlineImg) {
    // this can't happen -- OPI dictionaries are in XObjects
    error(-1, "Internal: OPI in inline image");
    n = 0;
      } else {
    // need to read the stream to count characters -- the length
    // is data-dependent (because of ASCII and RLE filters)
    str->reset();
    n = 0;
    while ((c = str->getChar()) != EOF) {
      ++n;
    }
    str->close();
      }
      // +6/7 for "pdfIm\n" / "pdfImM\n"
      // +8 for newline + trailer
      n += colorMap ? 14 : 15;
      writePSFmt("%%%%BeginData: %d Hex Bytes\n", n);
    }
#endif
    if ((level == psLevel2Sep || level == psLevel3Sep) && colorMap &&
    colorMap->getColorSpace()->getMode() == csSeparation) {
      color.c[0] = 1;
      sepCS = (GfxSeparationColorSpace *)colorMap->getColorSpace();
      sepCS->getCMYK(&color, &cmyk);
      writePSFmt("%g %g %g %g (%s) pdfImSep\n",
         cmyk.c, cmyk.m, cmyk.y, cmyk.k,
         sepCS->getName()->getCString());
    } else {
      writePSFmt("%s\n", colorMap ? "pdfIm" : "pdfImM");
    }
 
    // copy the stream data
    str->reset();
    while ((c = str->getChar()) != EOF) {
      writePSChar(c);
    }
    str->close();
 
    // add newline and trailer to the end
    writePSChar('\n');
    writePS("%-EOD-\n");
#if OPI_SUPPORT
    if (opi13Nest) {
      writePS("%%EndData\n");
    }
#endif
 
    // delete encoders
    if (useRLE || useASCII || inlineImg) {
      delete str;
    }
  }
}
 
void PSOutputDev::dumpColorSpaceL2(GfxColorSpace *colorSpace) {
  GfxCalGrayColorSpace *calGrayCS;
  GfxCalRGBColorSpace *calRGBCS;
  GfxLabColorSpace *labCS;
  GfxIndexedColorSpace *indexedCS;
  GfxSeparationColorSpace *separationCS;
  GfxColorSpace *baseCS;
  Guchar *lookup, *p;
  double x[gfxColorMaxComps], y[gfxColorMaxComps];
  GfxColor color;
  GfxCMYK cmyk;
  Function *func;
  int n, numComps, numAltComps;
  int byte;
  int i, j, k;
 
  switch (colorSpace->getMode()) {
 
  case csDeviceGray:
    writePS("/DeviceGray");
    processColors |= psProcessBlack;
    break;
 
  case csCalGray:
    calGrayCS = (GfxCalGrayColorSpace *)colorSpace;
    writePS("[/CIEBasedA <<\n");
    writePSFmt(" /DecodeA {%g exp} bind\n", calGrayCS->getGamma());
    writePSFmt(" /MatrixA [%g %g %g]\n",
           calGrayCS->getWhiteX(), calGrayCS->getWhiteY(),
           calGrayCS->getWhiteZ());
    writePSFmt(" /WhitePoint [%g %g %g]\n",
           calGrayCS->getWhiteX(), calGrayCS->getWhiteY(),
           calGrayCS->getWhiteZ());
    writePSFmt(" /BlackPoint [%g %g %g]\n",
           calGrayCS->getBlackX(), calGrayCS->getBlackY(),
           calGrayCS->getBlackZ());
    writePS(">>]");
    processColors |= psProcessBlack;
    break;
 
  case csDeviceRGB:
    writePS("/DeviceRGB");
    processColors |= psProcessCMYK;
    break;
 
  case csCalRGB:
    calRGBCS = (GfxCalRGBColorSpace *)colorSpace;
    writePS("[/CIEBasedABC <<\n");
    writePSFmt(" /DecodeABC [{%g exp} bind {%g exp} bind {%g exp} bind]\n",
           calRGBCS->getGammaR(), calRGBCS->getGammaG(),
           calRGBCS->getGammaB());
    writePSFmt(" /MatrixABC [%g %g %g %g %g %g %g %g %g]\n",
           calRGBCS->getMatrix()[0], calRGBCS->getMatrix()[1],
           calRGBCS->getMatrix()[2], calRGBCS->getMatrix()[3],
           calRGBCS->getMatrix()[4], calRGBCS->getMatrix()[5],
           calRGBCS->getMatrix()[6], calRGBCS->getMatrix()[7],
           calRGBCS->getMatrix()[8]);
    writePSFmt(" /WhitePoint [%g %g %g]\n",
           calRGBCS->getWhiteX(), calRGBCS->getWhiteY(),
           calRGBCS->getWhiteZ());
    writePSFmt(" /BlackPoint [%g %g %g]\n",
           calRGBCS->getBlackX(), calRGBCS->getBlackY(),
           calRGBCS->getBlackZ());
    writePS(">>]");
    processColors |= psProcessCMYK;
    break;
 
  case csDeviceCMYK:
    writePS("/DeviceCMYK");
    processColors |= psProcessCMYK;
    break;
 
  case csLab:
    labCS = (GfxLabColorSpace *)colorSpace;
    writePS("[/CIEBasedABC <<\n");
    writePSFmt(" /RangeABC [0 100 %g %g %g %g]\n",
           labCS->getAMin(), labCS->getAMax(),
           labCS->getBMin(), labCS->getBMax());
    writePS(" /DecodeABC [{16 add 116 div} bind {500 div} bind {200 div} bind]\n");
    writePS(" /MatrixABC [1 1 1 1 0 0 0 0 -1]\n");
    writePS(" /DecodeLMN\n");
    writePS("   [{dup 6 29 div ge {dup dup mul mul}\n");
    writePSFmt("     {4 29 div sub 108 841 div mul } ifelse %g mul} bind\n",
           labCS->getWhiteX());
    writePS("    {dup 6 29 div ge {dup dup mul mul}\n");
    writePSFmt("     {4 29 div sub 108 841 div mul } ifelse %g mul} bind\n",
           labCS->getWhiteY());
    writePS("    {dup 6 29 div ge {dup dup mul mul}\n");
    writePSFmt("     {4 29 div sub 108 841 div mul } ifelse %g mul} bind]\n",
           labCS->getWhiteZ());
    writePSFmt(" /WhitePoint [%g %g %g]\n",
           labCS->getWhiteX(), labCS->getWhiteY(), labCS->getWhiteZ());
    writePSFmt(" /BlackPoint [%g %g %g]\n",
           labCS->getBlackX(), labCS->getBlackY(), labCS->getBlackZ());
    writePS(">>]");
    processColors |= psProcessCMYK;
    break;
 
  case csICCBased:
    dumpColorSpaceL2(((GfxICCBasedColorSpace *)colorSpace)->getAlt());
    break;
 
  case csIndexed:
    indexedCS = (GfxIndexedColorSpace *)colorSpace;
    baseCS = indexedCS->getBase();
    writePS("[/Indexed ");
    dumpColorSpaceL2(baseCS);
    n = indexedCS->getIndexHigh();
    numComps = baseCS->getNComps();
    lookup = indexedCS->getLookup();
    writePSFmt(" %d <\n", n);
    if (baseCS->getMode() == csDeviceN) {
      func = ((GfxDeviceNColorSpace *)baseCS)->getTintTransformFunc();
      numAltComps = ((GfxDeviceNColorSpace *)baseCS)->getAlt()->getNComps();
      p = lookup;
      for (i = 0; i <= n; i += 8) {
    writePS("  ");
    for (j = i; j < i+8 && j <= n; ++j) {
      for (k = 0; k < numComps; ++k) {
        x[k] = *p++ / 255.0;
      }
      func->transform(x, y);
      for (k = 0; k < numAltComps; ++k) {
        byte = (int)(y[k] * 255 + 0.5);
        if (byte < 0) {
          byte = 0;
        } else if (byte > 255) {
          byte = 255;
        }
        writePSFmt("%02x", byte);
      }
      color.c[0] = j;
      indexedCS->getCMYK(&color, &cmyk);
      addProcessColor(cmyk.c, cmyk.m, cmyk.y, cmyk.k);
    }
    writePS("\n");
      }
    } else {
      for (i = 0; i <= n; i += 8) {
    writePS("  ");
    for (j = i; j < i+8 && j <= n; ++j) {
      for (k = 0; k < numComps; ++k) {
        writePSFmt("%02x", lookup[j * numComps + k]);
      }
      color.c[0] = j;
      indexedCS->getCMYK(&color, &cmyk);
      addProcessColor(cmyk.c, cmyk.m, cmyk.y, cmyk.k);
    }
    writePS("\n");
      }
    }
    writePS(">]");
    break;
 
  case csSeparation:
    //~ this is a kludge -- the correct thing would to output a
    //~ separation color space, with the specified alternate color
    //~ space and tint transform
    separationCS = (GfxSeparationColorSpace *)colorSpace;
    writePS("[/Indexed ");
    dumpColorSpaceL2(separationCS->getAlt());
    writePS(" 255 <\n");
    numComps = separationCS->getAlt()->getNComps();
    for (i = 0; i <= 255; i += 8) {
      writePS("  ");
      for (j = i; j < i+8 && j <= 255; ++j) {
    x[0] = (double)j / 255.0;
    separationCS->getFunc()->transform(x, y);
    for (k = 0; k < numComps; ++k) {
      writePSFmt("%02x", (int)(255 * y[k] + 0.5));
    }
      }
      writePS("\n");
    }
    writePS(">]");
    addCustomColor(separationCS);
    break;
 
  case csDeviceN:
    // DeviceN color spaces are a Level 3 PostScript feature.
    dumpColorSpaceL2(((GfxDeviceNColorSpace *)colorSpace)->getAlt());
    break;
 
  case csPattern:
    //~ unimplemented
    break;
 
  }
}
 
#if OPI_SUPPORT
void PSOutputDev::opiBegin(GfxState *state, Dict *opiDict) {
  Object dict;
 
  if (globalParams->getPSOPI()) {
    opiDict->lookup("2.0", &dict);
    if (dict.isDict()) {
      opiBegin20(state, dict.getDict());
      dict.free();
    } else {
      dict.free();
      opiDict->lookup("1.3", &dict);
      if (dict.isDict()) {
    opiBegin13(state, dict.getDict());
      }
      dict.free();
    }
  }
}
 
void PSOutputDev::opiBegin20(GfxState *state, Dict *dict) {
  Object obj1, obj2, obj3, obj4;
  double width, height, left, right, top, bottom;
  int w, h;
  int i;
 
  writePS("%%BeginOPI: 2.0\n");
  writePS("%%Distilled\n");
 
  dict->lookup("F", &obj1);
  if (getFileSpec(&obj1, &obj2)) {
    writePSFmt("%%%%ImageFileName: %s\n",
           obj2.getString()->getCString());
    obj2.free();
  }
  obj1.free();
 
  dict->lookup("MainImage", &obj1);
  if (obj1.isString()) {
    writePSFmt("%%%%MainImage: %s\n", obj1.getString()->getCString());
  }
  obj1.free();
 
  //~ ignoring 'Tags' entry
  //~ need to use writePSString() and deal with >255-char lines
 
  dict->lookup("Size", &obj1);
  if (obj1.isArray() && obj1.arrayGetLength() == 2) {
    obj1.arrayGet(0, &obj2);
    width = obj2.getNum();
    obj2.free();
    obj1.arrayGet(1, &obj2);
    height = obj2.getNum();
    obj2.free();
    writePSFmt("%%%%ImageDimensions: %g %g\n", width, height);
  }
  obj1.free();
 
  dict->lookup("CropRect", &obj1);
  if (obj1.isArray() && obj1.arrayGetLength() == 4) {
    obj1.arrayGet(0, &obj2);
    left = obj2.getNum();
    obj2.free();
    obj1.arrayGet(1, &obj2);
    top = obj2.getNum();
    obj2.free();
    obj1.arrayGet(2, &obj2);
    right = obj2.getNum();
    obj2.free();
    obj1.arrayGet(3, &obj2);
    bottom = obj2.getNum();
    obj2.free();
    writePSFmt("%%%%ImageCropRect: %g %g %g %g\n", left, top, right, bottom);
  }
  obj1.free();
 
  dict->lookup("Overprint", &obj1);
  if (obj1.isBool()) {
    writePSFmt("%%%%ImageOverprint: %s\n", obj1.getBool() ? "true" : "false");
  }
  obj1.free();
 
  dict->lookup("Inks", &obj1);
  if (obj1.isName()) {
    writePSFmt("%%%%ImageInks: %s\n", obj1.getName());
  } else if (obj1.isArray() && obj1.arrayGetLength() >= 1) {
    obj1.arrayGet(0, &obj2);
    if (obj2.isName()) {
      writePSFmt("%%%%ImageInks: %s %d",
         obj2.getName(), (obj1.arrayGetLength() - 1) / 2);
      for (i = 1; i+1 < obj1.arrayGetLength(); i += 2) {
    obj1.arrayGet(i, &obj3);
    obj1.arrayGet(i+1, &obj4);
    if (obj3.isString() && obj4.isNum()) {
      writePS(" ");
      writePSString(obj3.getString());
      writePSFmt(" %g", obj4.getNum());
    }
    obj3.free();
    obj4.free();
      }
      writePS("\n");
    }
    obj2.free();
  }
  obj1.free();
 
  writePS("gsave\n");
 
  writePS("%%BeginIncludedImage\n");
 
  dict->lookup("IncludedImageDimensions", &obj1);
  if (obj1.isArray() && obj1.arrayGetLength() == 2) {
    obj1.arrayGet(0, &obj2);
    w = obj2.getInt();
    obj2.free();
    obj1.arrayGet(1, &obj2);
    h = obj2.getInt();
    obj2.free();
    writePSFmt("%%%%IncludedImageDimensions: %d %d\n", w, h);
  }
  obj1.free();
 
  dict->lookup("IncludedImageQuality", &obj1);
  if (obj1.isNum()) {
    writePSFmt("%%%%IncludedImageQuality: %g\n", obj1.getNum());
  }
  obj1.free();
 
  ++opi20Nest;
}
 
void PSOutputDev::opiBegin13(GfxState *state, Dict *dict) {
  Object obj1, obj2;
  int left, right, top, bottom, samples, bits, width, height;
  double c, m, y, k;
  double llx, lly, ulx, uly, urx, ury, lrx, lry;
  double tllx, tlly, tulx, tuly, turx, tury, tlrx, tlry;
  double horiz, vert;
  int i, j;
 
  writePS("save\n");
  writePS("/opiMatrix2 matrix currentmatrix def\n");
  writePS("opiMatrix setmatrix\n");
 
  dict->lookup("F", &obj1);
  if (getFileSpec(&obj1, &obj2)) {
    writePSFmt("%%ALDImageFileName: %s\n",
           obj2.getString()->getCString());
    obj2.free();
  }
  obj1.free();
 
  dict->lookup("CropRect", &obj1);
  if (obj1.isArray() && obj1.arrayGetLength() == 4) {
    obj1.arrayGet(0, &obj2);
    left = obj2.getInt();
    obj2.free();
    obj1.arrayGet(1, &obj2);
    top = obj2.getInt();
    obj2.free();
    obj1.arrayGet(2, &obj2);
    right = obj2.getInt();
    obj2.free();
    obj1.arrayGet(3, &obj2);
    bottom = obj2.getInt();
    obj2.free();
    writePSFmt("%%ALDImageCropRect: %d %d %d %d\n", left, top, right, bottom);
  }
  obj1.free();
 
  dict->lookup("Color", &obj1);
  if (obj1.isArray() && obj1.arrayGetLength() == 5) {
    obj1.arrayGet(0, &obj2);
    c = obj2.getNum();
    obj2.free();
    obj1.arrayGet(1, &obj2);
    m = obj2.getNum();
    obj2.free();
    obj1.arrayGet(2, &obj2);
    y = obj2.getNum();
    obj2.free();
    obj1.arrayGet(3, &obj2);
    k = obj2.getNum();
    obj2.free();
    obj1.arrayGet(4, &obj2);
    if (obj2.isString()) {
      writePSFmt("%%ALDImageColor: %g %g %g %g ", c, m, y, k);
      writePSString(obj2.getString());
      writePS("\n");
    }
    obj2.free();
  }
  obj1.free();
 
  dict->lookup("ColorType", &obj1);
  if (obj1.isName()) {
    writePSFmt("%%ALDImageColorType: %s\n", obj1.getName());
  }
  obj1.free();
 
  //~ ignores 'Comments' entry
  //~ need to handle multiple lines
 
  dict->lookup("CropFixed", &obj1);
  if (obj1.isArray()) {
    obj1.arrayGet(0, &obj2);
    ulx = obj2.getNum();
    obj2.free();
    obj1.arrayGet(1, &obj2);
    uly = obj2.getNum();
    obj2.free();
    obj1.arrayGet(2, &obj2);
    lrx = obj2.getNum();
    obj2.free();
    obj1.arrayGet(3, &obj2);
    lry = obj2.getNum();
    obj2.free();
    writePSFmt("%%ALDImageCropFixed: %g %g %g %g\n", ulx, uly, lrx, lry);
  }
  obj1.free();
 
  dict->lookup("GrayMap", &obj1);
  if (obj1.isArray()) {
    writePS("%ALDImageGrayMap:");
    for (i = 0; i < obj1.arrayGetLength(); i += 16) {
      if (i > 0) {
    writePS("\n%%+");
      }
      for (j = 0; j < 16 && i+j < obj1.arrayGetLength(); ++j) {
    obj1.arrayGet(i+j, &obj2);
    writePSFmt(" %d", obj2.getInt());
    obj2.free();
      }
    }
    writePS("\n");
  }
  obj1.free();
 
  dict->lookup("ID", &obj1);
  if (obj1.isString()) {
    writePSFmt("%%ALDImageID: %s\n", obj1.getString()->getCString());
  }
  obj1.free();
 
  dict->lookup("ImageType", &obj1);
  if (obj1.isArray() && obj1.arrayGetLength() == 2) {
    obj1.arrayGet(0, &obj2);
    samples = obj2.getInt();
    obj2.free();
    obj1.arrayGet(1, &obj2);
    bits = obj2.getInt();
    obj2.free();
    writePSFmt("%%ALDImageType: %d %d\n", samples, bits);
  }
  obj1.free();
 
  dict->lookup("Overprint", &obj1);
  if (obj1.isBool()) {
    writePSFmt("%%ALDImageOverprint: %s\n", obj1.getBool() ? "true" : "false");
  }
  obj1.free();
 
  dict->lookup("Position", &obj1);
  if (obj1.isArray() && obj1.arrayGetLength() == 8) {
    obj1.arrayGet(0, &obj2);
    llx = obj2.getNum();
    obj2.free();
    obj1.arrayGet(1, &obj2);
    lly = obj2.getNum();
    obj2.free();
    obj1.arrayGet(2, &obj2);
    ulx = obj2.getNum();
    obj2.free();
    obj1.arrayGet(3, &obj2);
    uly = obj2.getNum();
    obj2.free();
    obj1.arrayGet(4, &obj2);
    urx = obj2.getNum();
    obj2.free();
    obj1.arrayGet(5, &obj2);
    ury = obj2.getNum();
    obj2.free();
    obj1.arrayGet(6, &obj2);
    lrx = obj2.getNum();
    obj2.free();
    obj1.arrayGet(7, &obj2);
    lry = obj2.getNum();
    obj2.free();
    opiTransform(state, llx, lly, &tllx, &tlly);
    opiTransform(state, ulx, uly, &tulx, &tuly);
    opiTransform(state, urx, ury, &turx, &tury);
    opiTransform(state, lrx, lry, &tlrx, &tlry);
    writePSFmt("%%ALDImagePosition: %g %g %g %g %g %g %g %g\n",
           tllx, tlly, tulx, tuly, turx, tury, tlrx, tlry);
    obj2.free();
  }
  obj1.free();
 
  dict->lookup("Resolution", &obj1);
  if (obj1.isArray() && obj1.arrayGetLength() == 2) {
    obj1.arrayGet(0, &obj2);
    horiz = obj2.getNum();
    obj2.free();
    obj1.arrayGet(1, &obj2);
    vert = obj2.getNum();
    obj2.free();
    writePSFmt("%%ALDImageResoution: %g %g\n", horiz, vert);
    obj2.free();
  }
  obj1.free();
 
  dict->lookup("Size", &obj1);
  if (obj1.isArray() && obj1.arrayGetLength() == 2) {
    obj1.arrayGet(0, &obj2);
    width = obj2.getInt();
    obj2.free();
    obj1.arrayGet(1, &obj2);
    height = obj2.getInt();
    obj2.free();
    writePSFmt("%%ALDImageDimensions: %d %d\n", width, height);
  }
  obj1.free();
 
  //~ ignoring 'Tags' entry
  //~ need to use writePSString() and deal with >255-char lines
 
  dict->lookup("Tint", &obj1);
  if (obj1.isNum()) {
    writePSFmt("%%ALDImageTint: %g\n", obj1.getNum());
  }
  obj1.free();
 
  dict->lookup("Transparency", &obj1);
  if (obj1.isBool()) {
    writePSFmt("%%ALDImageTransparency: %s\n", obj1.getBool() ? "true" : "false");
  }
  obj1.free();
 
  writePS("%%BeginObject: image\n");
  writePS("opiMatrix2 setmatrix\n");
  ++opi13Nest;
}
 
// Convert PDF user space coordinates to PostScript default user space
// coordinates.  This has to account for both the PDF CTM and the
// PSOutputDev page-fitting transform.
void PSOutputDev::opiTransform(GfxState *state, double x0, double y0,
                   double *x1, double *y1) {
  double t;
 
  state->transform(x0, y0, x1, y1);
  *x1 += tx;
  *y1 += ty;
  if (landscape) {
    t = *x1;
    *x1 = -*y1;
    *y1 = t;
  }
  *x1 *= xScale;
  *y1 *= yScale;
}
 
void PSOutputDev::opiEnd(GfxState *state, Dict *opiDict) {
  Object dict;
 
  if (globalParams->getPSOPI()) {
    opiDict->lookup("2.0", &dict);
    if (dict.isDict()) {
      writePS("%%EndIncludedImage\n");
      writePS("%%EndOPI\n");
      writePS("grestore\n");
      --opi20Nest;
      dict.free();
    } else {
      dict.free();
      opiDict->lookup("1.3", &dict);
      if (dict.isDict()) {
    writePS("%%EndObject\n");
    writePS("restore\n");
    --opi13Nest;
      }
      dict.free();
    }
  }
}
 
GBool PSOutputDev::getFileSpec(Object *fileSpec, Object *fileName) {
  if (fileSpec->isString()) {
    fileSpec->copy(fileName);
    return gTrue;
  }
  if (fileSpec->isDict()) {
    fileSpec->dictLookup("DOS", fileName);
    if (fileName->isString()) {
      return gTrue;
    }
    fileName->free();
    fileSpec->dictLookup("Mac", fileName);
    if (fileName->isString()) {
      return gTrue;
    }
    fileName->free();
    fileSpec->dictLookup("Unix", fileName);
    if (fileName->isString()) {
      return gTrue;
    }
    fileName->free();
    fileSpec->dictLookup("F", fileName);
    if (fileName->isString()) {
      return gTrue;
    }
    fileName->free();
  }
  return gFalse;
}
#endif // OPI_SUPPORT
 
void PSOutputDev::type3D0(GfxState *state, double wx, double wy) {
  writePSFmt("%g %g setcharwidth\n", wx, wy);
  writePS("q\n");
}
 
void PSOutputDev::type3D1(GfxState *state, double wx, double wy,
              double llx, double lly, double urx, double ury) {
  t3WX = wx;
  t3WY = wy;
  t3LLX = llx;
  t3LLY = lly;
  t3URX = urx;
  t3URY = ury;
  t3String = new GString();
  writePS("q\n");
  t3Cacheable = gTrue;
}
 
void PSOutputDev::psXObject(Stream *psStream, Stream *level1Stream) {
  Stream *str;
  int c;
 
  if ((level == psLevel1 || level == psLevel1Sep) && level1Stream) {
    str = level1Stream;
  } else {
    str = psStream;
  }
  str->reset();
  while ((c = str->getChar()) != EOF) {
    writePSChar(c);
  }
  str->close();
}
 
void PSOutputDev::writePSChar(char c) {
  if (t3String) {
    t3String->append(c);
  } else {
    (*outputFunc)(outputStream, &c, 1);
  }
}
 
void PSOutputDev::writePS(char *s) {
  if (t3String) {
    t3String->append(s);
  } else {
    (*outputFunc)(outputStream, s, strlen(s));
  }
}
 
void PSOutputDev::writePSFmt(const char *fmt, ...) {
  va_list args;
  char buf[512];
 
  va_start(args, fmt);
  vsprintf(buf, fmt, args);
  va_end(args);
  if (t3String) {
    t3String->append(buf);
  } else {
    (*outputFunc)(outputStream, buf, strlen(buf));
  }
}
 
void PSOutputDev::writePSString(GString *s) {
  Guchar *p;
  int n;
  char buf[8];
 
  writePSChar('(');
  for (p = (Guchar *)s->getCString(), n = s->getLength(); n; ++p, --n) {
    if (*p == '(' || *p == ')' || *p == '\\') {
      writePSChar('\\');
      writePSChar((char)*p);
    } else if (*p < 0x20 || *p >= 0x80) {
      sprintf(buf, "\\%03o", *p);
      if (t3String) {
    t3String->append(buf);
      } else {
    (*outputFunc)(outputStream, buf, strlen(buf));
      }
    } else {
      writePSChar((char)*p);
    }
  }
  writePSChar(')');
}
 
void PSOutputDev::writePSName(char *s) {
  char *p;
  char c;
 
  p = s;
  while ((c = *p++)) {
    if (c <= (char)0x20 || c >= (char)0x7f ||
    c == '(' || c == ')' || c == '<' || c == '>' ||
    c == '[' || c == ']' || c == '{' || c == '}' ||
    c == '/' || c == '%') {
      writePSFmt("#%02x", c & 0xff);
    } else {
      writePSChar(c);
    }
  }
}
 
GString *PSOutputDev::filterPSName(GString *name) {
  GString *name2;
  char buf[8];
  int i;
  char c;
 
  name2 = new GString();
  for (i = 0; i < name->getLength(); ++i) {
    c = name->getChar(i);
    if (c <= (char)0x20 || c >= (char)0x7f ||
    c == '(' || c == ')' || c == '<' || c == '>' ||
    c == '[' || c == ']' || c == '{' || c == '}' ||
    c == '/' || c == '%') {
      sprintf(buf, "#%02x", c & 0xff);
      name2->append(buf);
    } else {
      name2->append(c);
    }
  }
  return name2;
}