X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;ds=sidebyside;f=pdf%2Fxpdf%2FPSOutputDev.cc;h=28811a8320593679d91553dc4aa227c648d94eee;hb=5932479cc8c371a385616b5909df558a091b7111;hp=9844ab324fda9b63aabe0e1783fedaa711ce990f;hpb=64676031423465996e83c4a685290f0c3d97a249;p=evince.git diff --git a/pdf/xpdf/PSOutputDev.cc b/pdf/xpdf/PSOutputDev.cc index 9844ab32..28811a83 100644 --- a/pdf/xpdf/PSOutputDev.cc +++ b/pdf/xpdf/PSOutputDev.cc @@ -2,7 +2,7 @@ // // PSOutputDev.cc // -// Copyright 1996-2002 Glyph & Cog, LLC +// Copyright 1996-2003 Glyph & Cog, LLC // //======================================================================== @@ -18,7 +18,8 @@ #include #include #include "GString.h" -#include "config.h" +#include "GList.h" +#include "xpdfconfig.h" #include "GlobalParams.h" #include "Object.h" #include "Error.h" @@ -26,9 +27,9 @@ #include "Gfx.h" #include "GfxState.h" #include "GfxFont.h" -#include "CharCodeToUnicode.h" #include "UnicodeMap.h" -#include "FontFile.h" +#include "FoFiType1C.h" +#include "FoFiTrueType.h" #include "Catalog.h" #include "Page.h" #include "Stream.h" @@ -47,7 +48,15 @@ static char *prolog[] = { "/xpdf 75 dict def xpdf begin", "% PDF special state", - "/pdfDictSize 14 def", + "/pdfDictSize 15 def", + "~1", + "/pdfStates 64 array def", + " 0 1 63 {", + " pdfStates exch pdfDictSize dict", + " dup /pdfStateIdx 3 index put", + " put", + " } for", + "~a", "/pdfSetup {", " 3 1 roll 2 array astore", " /setpagedevice where {", @@ -61,8 +70,19 @@ static char *prolog[] = { " pop pop", " } ifelse", "} def", + "~1", + "/pdfOpNames [", + " /pdfFill /pdfStroke /pdfLastFill /pdfLastStroke", + " /pdfTextMat /pdfFontSize /pdfCharSpacing /pdfTextRender", + " /pdfTextRise /pdfWordSpacing /pdfHorizScaling /pdfTextClipPath", + "] def", + "~a", "/pdfStartPage {", + "~1", + " pdfStates 0 get begin", + "~2", " pdfDictSize dict begin", + "~a", " /pdfFill [0] def", " /pdfStroke [0] def", " /pdfLastFill false def", @@ -74,6 +94,7 @@ static char *prolog[] = { " /pdfTextRise 0 def", " /pdfWordSpacing 0 def", " /pdfHorizScaling 1 def", + " /pdfTextClipPath [] def", "} def", "/pdfEndPage { end } def", "% separation convention operators", @@ -100,7 +121,7 @@ static char *prolog[] = { " /customcolorimage {", " gsave", " [ exch /Separation exch dup 4 get exch /DeviceCMYK exch", - " 0 4 getinterval cvx", + " 0 4 getinterval", " [ exch /dup load exch { mul exch dup } /forall load", " /pop load dup ] cvx", " ] setcolorspace", @@ -190,7 +211,16 @@ static char *prolog[] = { " } ifelse", "} def", "% graphics state operators", + "~1", + "/q {", + " gsave", + " pdfOpNames length 1 sub -1 0 { pdfOpNames exch get load } for", + " pdfStates pdfStateIdx 1 add get begin", + " pdfOpNames { exch def } forall", + "} def", + "~2", "/q { gsave pdfDictSize dict begin } def", + "~a", "/Q { end grestore } def", "/cm { concat } def", "/d { setdash } def", @@ -247,56 +277,101 @@ static char *prolog[] = { "/Td { pdfTextMat transform moveto } def", "/Tm { /pdfTextMat exch def } def", "% text string operators", - "/awcp { % awidthcharpath", + "/cshow where {", + " pop", + " /cshow2 {", + " dup {", + " pop pop", + " 1 string dup 0 3 index put 3 index exec", + " } exch cshow", + " pop pop", + " } def", + "}{", + " /cshow2 {", + " currentfont /FontType get 0 eq {", + " 0 2 2 index length 1 sub {", + " 2 copy get exch 1 add 2 index exch get", + " 2 copy exch 256 mul add", + " 2 string dup 0 6 5 roll put dup 1 5 4 roll put", + " 3 index exec", + " } for", + " } {", + " dup {", + " 1 string dup 0 3 index put 3 index exec", + " } forall", + " } ifelse", + " pop pop", + " } def", + "} ifelse", + "/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", + " false charpath", + " 5 index 5 index rmoveto", + " 6 index eq { 7 index 7 index rmoveto } if", + " } exch cshow2", " 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", + "/Tj {", + " fCol", // because stringwidth has to draw Type 3 chars + " 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 Tj1", + "} def", + "/Tj16 {", + " fCol", // because stringwidth has to draw Type 3 chars + " 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 Tj1", + "} def", + "/Tj16V {", + " fCol", // because stringwidth has to draw Type 3 chars + " 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 Tj1", + "} def", + "/Tj1 {", + " 0 pdfTextRise pdfTextMat dtransform rmoveto", + " currentpoint 8 2 roll", + " pdfTextRender 1 and 0 eq {", + " 6 copy awidthshow", + " } if", + " pdfTextRender 3 and dup 1 eq exch 2 eq or {", + " 7 index 7 index moveto", + " 6 copy", + " currentfont /FontType get 3 eq { fCol } { sCol } ifelse", + " false awcp currentpoint stroke moveto", + " } if", + " pdfTextRender 4 and 0 ne {", + " 8 6 roll moveto", + " false awcp", + " /pdfTextClipPath [ pdfTextClipPath aload pop", + " {/moveto cvx}", + " {/lineto cvx}", + " {/curveto cvx}", + " {/closepath cvx}", + " pathforall ] def", + " currentpoint newpath moveto", + " } {", + " 8 {pop} repeat", + " } ifelse", + " 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", + "/Tclip { pdfTextClipPath cvx exec clip newpath", + " /pdfTextClipPath [] def } def", + "~1", "% Level 1 image operators", "/pdfIm1 {", " /pdfImBuf1 4 index string def", @@ -317,6 +392,11 @@ static char *prolog[] = { " /pdfImBuf1 4 index 7 add 8 idiv string def", " { currentfile pdfImBuf1 readhexstring pop } imagemask", "} def", + "/pdfImM1a {", + " { 2 copy get exch 1 add exch } imagemask", + " pop pop", + "} def", + "~2", "% Level 2 image operators", "/pdfImBuf 100 string def", "/pdfIm {", @@ -328,11 +408,15 @@ static char *prolog[] = { "/pdfImSep {", " findcmykcustomcolor exch", " dup /Width get /pdfImBuf1 exch string def", + " dup /Decode get aload pop 1 index sub /pdfImDecodeRange exch def", + " /pdfImDecodeLow exch 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", + " 1 index exch 2 copy get", + " pdfImDecodeRange mul 255 div pdfImDecodeLow add round cvi", + " 255 exch sub put", " } for }", " 6 5 roll customcolorimage", " { currentfile pdfImBuf readline", @@ -345,6 +429,7 @@ static char *prolog[] = { " not { pop exit } if", " (%-EOD-) eq { exit } if } loop", "} def", + "~a", "end", NULL }; @@ -482,6 +567,87 @@ PSOutCustomColor::~PSOutCustomColor() { delete name; } +//------------------------------------------------------------------------ +// DeviceNRecoder +//------------------------------------------------------------------------ + +class DeviceNRecoder: public FilterStream { +public: + + DeviceNRecoder(Stream *strA, int widthA, int heightA, + GfxImageColorMap *colorMapA); + virtual ~DeviceNRecoder(); + virtual StreamKind getKind() { return strWeird; } + virtual void reset(); + virtual int getChar() + { return (bufIdx >= bufSize && !fillBuf()) ? EOF : buf[bufIdx++]; } + virtual int lookChar() + { return (bufIdx >= bufSize && !fillBuf()) ? EOF : buf[bufIdx]; } + virtual GString *getPSFilter(int psLevel, char *indent) { return NULL; } + virtual GBool isBinary(GBool last = gTrue) { return gTrue; } + virtual GBool isEncoder() { return gTrue; } + +private: + + GBool fillBuf(); + + int width, height; + GfxImageColorMap *colorMap; + Function *func; + ImageStream *imgStr; + int buf[gfxColorMaxComps]; + int pixelIdx; + int bufIdx; + int bufSize; +}; + +DeviceNRecoder::DeviceNRecoder(Stream *strA, int widthA, int heightA, + GfxImageColorMap *colorMapA): + FilterStream(strA) { + width = widthA; + height = heightA; + colorMap = colorMapA; + imgStr = NULL; + pixelIdx = 0; + bufIdx = gfxColorMaxComps; + bufSize = ((GfxDeviceNColorSpace *)colorMap->getColorSpace())-> + getAlt()->getNComps(); + func = ((GfxDeviceNColorSpace *)colorMap->getColorSpace())-> + getTintTransformFunc(); +} + +DeviceNRecoder::~DeviceNRecoder() { + if (imgStr) { + delete imgStr; + } +} + +void DeviceNRecoder::reset() { + imgStr = new ImageStream(str, width, colorMap->getNumPixelComps(), + colorMap->getBits()); + imgStr->reset(); +} + +GBool DeviceNRecoder::fillBuf() { + Guchar pixBuf[gfxColorMaxComps]; + GfxColor color; + double y[gfxColorMaxComps]; + int i; + + if (pixelIdx >= width * height) { + return gFalse; + } + imgStr->getPixel(pixBuf); + colorMap->getColor(pixBuf, &color); + func->transform(color.c, y); + for (i = 0; i < bufSize; ++i) { + buf[i] = (int)(y[i] * 255 + 0.5); + } + bufIdx = 0; + ++pixelIdx; + return gTrue; +} + //------------------------------------------------------------------------ // PSOutputDev //------------------------------------------------------------------------ @@ -495,16 +661,25 @@ static void outputToFile(void *stream, char *data, int len) { } PSOutputDev::PSOutputDev(char *fileName, XRef *xrefA, Catalog *catalog, - int firstPage, int lastPage, PSOutMode modeA) { + int firstPage, int lastPage, PSOutMode modeA, + int imgLLXA, int imgLLYA, int imgURXA, int imgURYA, + GBool manualCtrlA) { FILE *f; PSFileType fileTypeA; + underlayCbk = NULL; + underlayCbkData = NULL; + overlayCbk = NULL; + overlayCbkData = NULL; + fontIDs = NULL; fontFileIDs = NULL; fontFileNames = NULL; font16Enc = NULL; + xobjStack = NULL; embFontList = NULL; customColors = NULL; + haveTextClip = gFalse; t3String = NULL; // open file or pipe @@ -537,35 +712,42 @@ PSOutputDev::PSOutputDev(char *fileName, XRef *xrefA, Catalog *catalog, } init(outputToFile, f, fileTypeA, - xrefA, catalog, firstPage, lastPage, modeA); + xrefA, catalog, firstPage, lastPage, modeA, + imgLLXA, imgLLYA, imgURXA, imgURYA, manualCtrlA); } PSOutputDev::PSOutputDev(PSOutputFunc outputFuncA, void *outputStreamA, XRef *xrefA, Catalog *catalog, - int firstPage, int lastPage, PSOutMode modeA) { + int firstPage, int lastPage, PSOutMode modeA, + int imgLLXA, int imgLLYA, int imgURXA, int imgURYA, + GBool manualCtrlA) { + underlayCbk = NULL; + underlayCbkData = NULL; + overlayCbk = NULL; + overlayCbkData = NULL; + fontIDs = NULL; fontFileIDs = NULL; fontFileNames = NULL; font16Enc = NULL; + xobjStack = NULL; embFontList = NULL; customColors = NULL; + haveTextClip = gFalse; t3String = NULL; init(outputFuncA, outputStreamA, psGeneric, - xrefA, catalog, firstPage, lastPage, modeA); + xrefA, catalog, firstPage, lastPage, modeA, + imgLLXA, imgLLYA, imgURXA, imgURYA, manualCtrlA); } void PSOutputDev::init(PSOutputFunc outputFuncA, void *outputStreamA, PSFileType fileTypeA, XRef *xrefA, Catalog *catalog, - int firstPage, int lastPage, PSOutMode modeA) { + int firstPage, int lastPage, PSOutMode modeA, + int imgLLXA, int imgLLYA, int imgURXA, int imgURYA, + GBool manualCtrlA) { Page *page; PDFRectangle *box; - Dict *resDict; - Annots *annots; - char **p; - int pg; - Object obj1, obj2; - int i; // initialize ok = gTrue; @@ -577,6 +759,28 @@ void PSOutputDev::init(PSOutputFunc outputFuncA, void *outputStreamA, mode = modeA; paperWidth = globalParams->getPSPaperWidth(); paperHeight = globalParams->getPSPaperHeight(); + imgLLX = imgLLXA; + imgLLY = imgLLYA; + imgURX = imgURXA; + imgURY = imgURYA; + if (imgLLX == 0 && imgURX == 0 && imgLLY == 0 && imgURY == 0) { + globalParams->getPSImageableArea(&imgLLX, &imgLLY, &imgURX, &imgURY); + } + if (paperWidth < 0 || paperHeight < 0) { + // this check is needed in case the document has zero pages + if (firstPage > 0 && firstPage <= catalog->getNumPages()) { + page = catalog->getPage(firstPage); + paperWidth = (int)(page->getWidth() + 0.5); + paperHeight = (int)(page->getHeight() + 0.5); + } else { + paperWidth = 1; + paperHeight = 1; + } + imgLLX = imgLLY = 0; + imgURX = paperWidth; + imgURY = paperHeight; + } + manualCtrl = manualCtrlA; if (mode == psModeForm) { lastPage = firstPage; } @@ -589,6 +793,12 @@ void PSOutputDev::init(PSOutputFunc outputFuncA, void *outputStreamA, opi20Nest = 0; #endif + tx0 = ty0 = 0; + xScale0 = yScale0 = 1; + rotate0 = 0; + clipLLX0 = clipLLY0 = 0; + clipURX0 = clipURY0 = -1; + // initialize fontIDs, fontFileIDs, and fontFileNames lists fontIDSize = 64; fontIDLen = 0; @@ -599,13 +809,105 @@ void PSOutputDev::init(PSOutputFunc outputFuncA, void *outputStreamA, fontFileNameSize = 64; fontFileNameLen = 0; fontFileNames = (GString **)gmalloc(fontFileNameSize * sizeof(GString *)); + nextTrueTypeNum = 0; font16EncLen = 0; font16EncSize = 0; + xobjStack = new GList(); + numSaves = 0; + // initialize embedded font resource comment list embFontList = new GString(); - // write header + if (!manualCtrl) { + // this check is needed in case the document has zero pages + if (firstPage > 0 && firstPage <= catalog->getNumPages()) { + writeHeader(firstPage, lastPage, + catalog->getPage(firstPage)->getBox(), + catalog->getPage(firstPage)->getCropBox()); + } else { + box = new PDFRectangle(0, 0, 1, 1); + writeHeader(firstPage, lastPage, box, box); + delete box; + } + if (mode != psModeForm) { + writePS("%%BeginProlog\n"); + } + writeXpdfProcset(); + if (mode != psModeForm) { + writePS("%%EndProlog\n"); + writePS("%%BeginSetup\n"); + } + writeDocSetup(catalog, firstPage, lastPage); + if (mode != psModeForm) { + writePS("%%EndSetup\n"); + } + } + + // initialize sequential page number + seqPage = 1; +} + +PSOutputDev::~PSOutputDev() { + PSOutCustomColor *cc; + int i; + + if (ok) { + if (!manualCtrl) { + writePS("%%Trailer\n"); + writeTrailer(); + if (mode != psModeForm) { + 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); + } + if (xobjStack) { + delete xobjStack; + } + while (customColors) { + cc = customColors; + customColors = cc->next; + delete cc; + } +} + +void PSOutputDev::writeHeader(int firstPage, int lastPage, + PDFRectangle *mediaBox, PDFRectangle *cropBox) { switch (mode) { case psModePS: writePS("%!PS-Adobe-3.0\n"); @@ -620,6 +922,7 @@ void PSOutputDev::init(PSOutputFunc outputFuncA, void *outputStreamA, writePS("%%DocumentSuppliedResources: (atend)\n"); writePSFmt("%%%%DocumentMedia: plain %d %d 0 () ()\n", paperWidth, paperHeight); + writePSFmt("%%%%BoundingBox: 0 0 %d %d\n", paperWidth, paperHeight); writePSFmt("%%%%Pages: %d\n", lastPage - firstPage + 1); writePS("%%EndComments\n"); writePS("%%BeginDefaults\n"); @@ -636,17 +939,15 @@ void PSOutputDev::init(PSOutputFunc outputFuncA, void *outputStreamA, 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)) { + (int)floor(cropBox->x1), (int)floor(cropBox->y1), + (int)ceil(cropBox->x2), (int)ceil(cropBox->y2)); + if (floor(cropBox->x1) != ceil(cropBox->x1) || + floor(cropBox->y1) != ceil(cropBox->y1) || + floor(cropBox->x2) != ceil(cropBox->x2) || + floor(cropBox->y2) != ceil(cropBox->y2)) { writePSFmt("%%%%HiResBoundingBox: %g %g %g %g\n", - box->x1, box->y1, box->x2, box->y2); + cropBox->x1, cropBox->y1, cropBox->x2, cropBox->y2); } writePS("%%DocumentSuppliedResources: (atend)\n"); writePS("%%EndComments\n"); @@ -663,40 +964,56 @@ void PSOutputDev::init(PSOutputFunc outputFuncA, void *outputStreamA, } 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); + (int)floor(mediaBox->x1), (int)floor(mediaBox->y1), + (int)ceil(mediaBox->x2), (int)ceil(mediaBox->y2)); writePS("/FormType 1 def\n"); writePS("/Matrix [1 0 0 1 0 0] def\n"); break; } +} + +void PSOutputDev::writeXpdfProcset() { + char prologLevel; + char **p; - // write prolog - if (mode != psModeForm) { - writePS("%%BeginProlog\n"); - } writePSFmt("%%%%BeginResource: procset xpdf %s 0\n", xpdfVersion); + prologLevel = 'a'; for (p = prolog; *p; ++p) { - writePSFmt("%s\n", *p); + if ((*p)[0] == '~' && (*p)[1] == '1') { + prologLevel = '1'; + } else if ((*p)[0] == '~' && (*p)[1] == '2') { + prologLevel = '2'; + } else if ((*p)[0] == '~' && (*p)[1] == 'a') { + prologLevel = 'a'; + } else if (prologLevel == 'a' || + (prologLevel == '1' && level < psLevel2) || + (prologLevel == '2' && level >= psLevel2)) { + 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"); - } +} + +void PSOutputDev::writeDocSetup(Catalog *catalog, + int firstPage, int lastPage) { + Page *page; + Dict *resDict; + Annots *annots; + Object obj1, obj2; + int pg, i; - // 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) { @@ -719,7 +1036,7 @@ void PSOutputDev::init(PSOutputFunc outputFuncA, void *outputStreamA, delete annots; } if (mode != psModeForm) { - if (mode != psModeEPS) { + if (mode != psModeEPS && !manualCtrl) { writePSFmt("%d %d %s pdfSetup\n", paperWidth, paperHeight, globalParams->getPSDuplex() ? "true" : "false"); @@ -729,100 +1046,59 @@ void PSOutputDev::init(PSOutputFunc outputFuncA, void *outputStreamA, writePS("/opiMatrix matrix currentmatrix def\n"); } #endif - writePS("%%EndSetup\n"); } +} - // initialize sequential page number - seqPage = 1; +void PSOutputDev::writePageTrailer() { + if (mode != psModeForm) { + writePS("pdfEndPage\n"); + } } -PSOutputDev::~PSOutputDev() { +void PSOutputDev::writeTrailer() { 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()); + if (mode == psModeForm) { + writePS("/Foo exch /Form defineresource pop\n"); + } else { + writePS("end\n"); + writePS("%%DocumentSuppliedResources:\n"); + writePS(embFontList->getCString()); + if (level == psLevel1Sep || level == psLevel2Sep || + level == psLevel3Sep) { + writePS("%%DocumentProcessColors:"); + if (processColors & psProcessCyan) { + writePS(" Cyan"); } - writePS("\n"); - writePS("%%CMYKCustomColor:\n"); - for (cc = customColors; cc; cc = cc->next) { - writePSFmt("%%%%+ %g %g %g %g (%s)\n", + 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; + Object xObjDict, xObjRef, xObj, resObj; + Ref ref0, ref1; + GBool skip; + int i, j; setupFonts(resDict); setupImages(resDict); @@ -830,45 +1106,82 @@ void PSOutputDev::setupResources(Dict *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()); + + // avoid infinite recursion on XObjects + skip = gFalse; + if ((xObjDict.dictGetValNF(i, &xObjRef)->isRef())) { + ref0 = xObjRef.getRef(); + for (j = 0; j < xobjStack->getLength(); ++j) { + ref1 = *(Ref *)xobjStack->get(j); + if (ref1.num == ref0.num && ref1.gen == ref0.gen) { + skip = gTrue; + break; + } + } + if (!skip) { + xobjStack->append(&ref0); } - resObj.free(); } - xObj.free(); + if (!skip) { + + // process the XObject's resource dictionary + xObjDict.dictGetVal(i, &xObj); + if (xObj.isStream()) { + xObj.streamGetDict()->lookup("Resources", &resObj); + if (resObj.isDict()) { + setupResources(resObj.getDict()); + } + resObj.free(); + } + xObj.free(); + } + + if (xObjRef.isRef() && !skip) { + xobjStack->del(xobjStack->getLength() - 1); + } + xObjRef.free(); } } xObjDict.free(); } void PSOutputDev::setupFonts(Dict *resDict) { - Object fontDict; + Object obj1, obj2; + Ref r; GfxFontDict *gfxFontDict; GfxFont *font; int i; - resDict->lookup("Font", &fontDict); - if (fontDict.isDict()) { - gfxFontDict = new GfxFontDict(xref, fontDict.getDict()); + gfxFontDict = NULL; + resDict->lookupNF("Font", &obj1); + if (obj1.isRef()) { + obj1.fetch(xref, &obj2); + if (obj2.isDict()) { + r = obj1.getRef(); + gfxFontDict = new GfxFontDict(xref, &r, obj2.getDict()); + } + obj2.free(); + } else if (obj1.isDict()) { + gfxFontDict = new GfxFontDict(xref, NULL, obj1.getDict()); + } + if (gfxFontDict) { for (i = 0; i < gfxFontDict->getNumFonts(); ++i) { - font = gfxFontDict->getFont(i); - setupFont(font, resDict); + if ((font = gfxFontDict->getFont(i))) { + setupFont(font, resDict); + } } delete gfxFontDict; } - fontDict.free(); + obj1.free(); } void PSOutputDev::setupFont(GfxFont *font, Dict *parentResDict) { Ref fontFileID; GString *name; PSFontParam *fontParam; - GString *psNameStr; - char *psName; + GString *psName; char type3Name[64], buf[16]; + GBool subst; UnicodeMap *uMap; char *charName; double xs, ys; @@ -893,27 +1206,25 @@ void PSOutputDev::setupFont(GfxFont *font, Dict *parentResDict) { fontIDs[fontIDLen++] = *font->getID(); xs = ys = 1; - psNameStr = NULL; + subst = gFalse; // check for resident 8-bit font if (font->getName() && (fontParam = globalParams->getPSFont(font->getName()))) { - psName = fontParam->psFontName->getCString(); + psName = new GString(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(); + psName = filterPSName(font->getEmbeddedFontName()); 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(); + psName = filterPSName(font->getEmbeddedFontName()); setupEmbeddedType1CFont(font, &fontFileID, psName); // check for external Type 1 font file @@ -921,55 +1232,52 @@ void PSOutputDev::setupFont(GfxFont *font, Dict *parentResDict) { font->getType() == fontType1 && font->getExtFontFile()) { // this assumes that the PS font name matches the PDF font name - psName = font->getName()->getCString(); + psName = font->getName()->copy(); 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(); + psName = filterPSName(font->getEmbeddedFontName()); 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(); + psName = filterPSName(font->getName()); 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(); + psName = filterPSName(font->getEmbeddedFontName()); 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(); + psName = filterPSName(font->getEmbeddedFontName()); setupEmbeddedCIDTrueTypeFont(font, &fontFileID, psName); } else if (font->getType() == fontType3) { sprintf(type3Name, "T3_%d_%d", font->getID()->num, font->getID()->gen); - psName = type3Name; + psName = new GString(type3Name); setupType3Font(font, psName, parentResDict); // do 8-bit font substitution } else if (!font->isCIDFont()) { + subst = gTrue; name = font->getName(); psName = NULL; if (name) { for (i = 0; psFonts[i]; ++i) { if (name->cmp(psFonts[i]) == 0) { - psName = psFonts[i]; + psName = new GString(psFonts[i]); break; } } @@ -988,7 +1296,7 @@ void PSOutputDev::setupFont(GfxFont *font, Dict *parentResDict) { if (font->isItalic()) { i += 1; } - psName = psSubstFonts[i].psName; + psName = new GString(psSubstFonts[i].psName); for (code = 0; code < 256; ++code) { if ((charName = ((Gfx8BitFont *)font)->getCharName(code)) && charName[0] == 'm' && charName[1] == '\0') { @@ -1025,7 +1333,8 @@ void PSOutputDev::setupFont(GfxFont *font, Dict *parentResDict) { getPSFont16(font->getName(), ((GfxCIDFont *)font)->getCollection(), font->getWMode()))) { - psName = fontParam->psFontName->getCString(); + subst = gTrue; + psName = fontParam->psFontName->copy(); if (font16EncLen >= font16EncSize) { font16EncSize += 16; font16Enc = (PSFont16Enc *)grealloc(font16Enc, @@ -1055,20 +1364,22 @@ void PSOutputDev::setupFont(GfxFont *font, Dict *parentResDict) { if (font->isCIDFont()) { if (level == psLevel3 || level == psLevel3Sep) { writePSFmt("/F%d_%d /%s %d pdfMakeFont16L3\n", - font->getID()->num, font->getID()->gen, psName, + font->getID()->num, font->getID()->gen, psName->getCString(), font->getWMode()); } else { writePSFmt("/F%d_%d /%s %d pdfMakeFont16\n", - font->getID()->num, font->getID()->gen, psName, + font->getID()->num, font->getID()->gen, psName->getCString(), font->getWMode()); } } else { writePSFmt("/F%d_%d /%s %g %g\n", - font->getID()->num, font->getID()->gen, psName, xs, ys); + font->getID()->num, font->getID()->gen, psName->getCString(), + xs, ys); for (i = 0; i < 256; i += 8) { writePSFmt((i == 0) ? "[ " : " "); for (j = 0; j < 8; ++j) { if (font->getType() == fontTrueType && + !subst && !((Gfx8BitFont *)font)->getHasEncoding()) { sprintf(buf, "c%02x", i+j); charName = buf; @@ -1088,16 +1399,14 @@ void PSOutputDev::setupFont(GfxFont *font, Dict *parentResDict) { writePS("pdfMakeFont\n"); } - if (psNameStr) { - delete psNameStr; - } + delete psName; } -void PSOutputDev::setupEmbeddedType1Font(Ref *id, char *psName) { +void PSOutputDev::setupEmbeddedType1Font(Ref *id, GString *psName) { static char hexChar[17] = "0123456789abcdef"; - Object refObj, strObj, obj1, obj2; + Object refObj, strObj, obj1, obj2, obj3; Dict *dict; - int length1, length2; + int length1, length2, length3; int c; int start[4]; GBool binMode; @@ -1131,21 +1440,25 @@ void PSOutputDev::setupEmbeddedType1Font(Ref *id, char *psName) { } dict->lookup("Length1", &obj1); dict->lookup("Length2", &obj2); - if (!obj1.isInt() || !obj2.isInt()) { + dict->lookup("Length3", &obj3); + if (!obj1.isInt() || !obj2.isInt() || !obj3.isInt()) { error(-1, "Missing length fields in embedded font stream dictionary"); obj1.free(); obj2.free(); + obj3.free(); goto err1; } length1 = obj1.getInt(); length2 = obj2.getInt(); + length3 = obj3.getInt(); obj1.free(); obj2.free(); + obj3.free(); // beginning comment - writePSFmt("%%%%BeginResource: font %s\n", psName); + writePSFmt("%%%%BeginResource: font %s\n", psName->getCString()); embFontList->append("%%+ font "); - embFontList->append(psName); + embFontList->append(psName->getCString()); embFontList->append("\n"); // copy ASCII portion of font @@ -1174,6 +1487,9 @@ void PSOutputDev::setupEmbeddedType1Font(Ref *id, char *psName) { writePSChar(hexChar[(start[i] >> 4) & 0x0f]); writePSChar(hexChar[start[i] & 0x0f]); } + // if Length2 is incorrect (too small), font data gets chopped, so + // we take a few extra characters from the trailer just in case + length2 += length3 >= 8 ? 8 : length3; while (i < length2) { if ((c = strObj.streamGetChar()) == EOF) { break; @@ -1218,7 +1534,7 @@ void PSOutputDev::setupEmbeddedType1Font(Ref *id, char *psName) { //~ This doesn't handle .pfb files or binary eexec data (which only //~ happens in pfb files?). -void PSOutputDev::setupExternalType1Font(GString *fileName, char *psName) { +void PSOutputDev::setupExternalType1Font(GString *fileName, GString *psName) { FILE *fontFile; int c; int i; @@ -1239,9 +1555,9 @@ void PSOutputDev::setupExternalType1Font(GString *fileName, char *psName) { fontFileNames[fontFileNameLen++] = fileName->copy(); // beginning comment - writePSFmt("%%%%BeginResource: font %s\n", psName); + writePSFmt("%%%%BeginResource: font %s\n", psName->getCString()); embFontList->append("%%+ font "); - embFontList->append(psName); + embFontList->append(psName->getCString()); embFontList->append("\n"); // copy the font file @@ -1259,10 +1575,10 @@ void PSOutputDev::setupExternalType1Font(GString *fileName, char *psName) { } void PSOutputDev::setupEmbeddedType1CFont(GfxFont *font, Ref *id, - char *psName) { + GString *psName) { char *fontBuf; int fontLen; - Type1CFontFile *t1cFile; + FoFiType1C *ffT1C; int i; // check if font is already embedded @@ -1280,16 +1596,17 @@ void PSOutputDev::setupEmbeddedType1CFont(GfxFont *font, Ref *id, fontFileIDs[fontFileIDLen++] = *id; // beginning comment - writePSFmt("%%%%BeginResource: font %s\n", psName); + writePSFmt("%%%%BeginResource: font %s\n", psName->getCString()); embFontList->append("%%+ font "); - embFontList->append(psName); + embFontList->append(psName->getCString()); 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; + if ((ffT1C = FoFiType1C::make(fontBuf, fontLen))) { + ffT1C->convertToType1(NULL, gTrue, outputFunc, outputStream); + delete ffT1C; + } gfree(fontBuf); // ending comment @@ -1297,87 +1614,104 @@ void PSOutputDev::setupEmbeddedType1CFont(GfxFont *font, Ref *id, } void PSOutputDev::setupEmbeddedTrueTypeFont(GfxFont *font, Ref *id, - char *psName) { + GString *psName) { + char unique[32]; char *fontBuf; int fontLen; - TrueTypeFontFile *ttFile; - CharCodeToUnicode *ctu; + FoFiTrueType *ffTT; + Gushort *codeToGID; 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; + fontFileIDs[i].gen == id->gen) { + sprintf(unique, "_%d", nextTrueTypeNum++); + psName->append(unique); + break; + } } // add entry to fontFileIDs list - if (fontFileIDLen >= fontFileIDSize) { - fontFileIDSize += 64; - fontFileIDs = (Ref *)grealloc(fontFileIDs, fontFileIDSize * sizeof(Ref)); + if (i == fontFileIDLen) { + if (fontFileIDLen >= fontFileIDSize) { + fontFileIDSize += 64; + fontFileIDs = (Ref *)grealloc(fontFileIDs, fontFileIDSize * sizeof(Ref)); + } + fontFileIDs[fontFileIDLen++] = *id; } - fontFileIDs[fontFileIDLen++] = *id; // beginning comment - writePSFmt("%%%%BeginResource: font %s\n", psName); + writePSFmt("%%%%BeginResource: font %s\n", psName->getCString()); embFontList->append("%%+ font "); - embFontList->append(psName); + embFontList->append(psName->getCString()); 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; + if ((ffTT = FoFiTrueType::make(fontBuf, fontLen))) { + codeToGID = ((Gfx8BitFont *)font)->getCodeToGIDMap(ffTT); + ffTT->convertToType42(psName->getCString(), + ((Gfx8BitFont *)font)->getHasEncoding() + ? ((Gfx8BitFont *)font)->getEncoding() + : (char **)NULL, + codeToGID, outputFunc, outputStream); + gfree(codeToGID); + delete ffTT; + } gfree(fontBuf); // ending comment writePS("%%EndResource\n"); } -void PSOutputDev::setupExternalTrueTypeFont(GfxFont *font, char *psName) { +void PSOutputDev::setupExternalTrueTypeFont(GfxFont *font, GString *psName) { + char unique[32]; GString *fileName; char *fontBuf; int fontLen; - TrueTypeFontFile *ttFile; - CharCodeToUnicode *ctu; + FoFiTrueType *ffTT; + Gushort *codeToGID; int i; // check if font is already embedded fileName = font->getExtFontFile(); for (i = 0; i < fontFileNameLen; ++i) { if (!fontFileNames[i]->cmp(fileName)) { - return; + sprintf(unique, "_%d", nextTrueTypeNum++); + psName->append(unique); + break; } } // add entry to fontFileNames list - if (fontFileNameLen >= fontFileNameSize) { - fontFileNameSize += 64; - fontFileNames = (GString **)grealloc(fontFileNames, - fontFileNameSize * sizeof(GString *)); + if (i == fontFileNameLen) { + if (fontFileNameLen >= fontFileNameSize) { + fontFileNameSize += 64; + fontFileNames = + (GString **)grealloc(fontFileNames, + fontFileNameSize * sizeof(GString *)); + } } fontFileNames[fontFileNameLen++] = fileName->copy(); // beginning comment - writePSFmt("%%%%BeginResource: font %s\n", psName); + writePSFmt("%%%%BeginResource: font %s\n", psName->getCString()); embFontList->append("%%+ font "); - embFontList->append(psName); + embFontList->append(psName->getCString()); 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; + if ((ffTT = FoFiTrueType::make(fontBuf, fontLen))) { + codeToGID = ((Gfx8BitFont *)font)->getCodeToGIDMap(ffTT); + ffTT->convertToType42(psName->getCString(), + ((Gfx8BitFont *)font)->getHasEncoding() + ? ((Gfx8BitFont *)font)->getEncoding() + : (char **)NULL, + codeToGID, outputFunc, outputStream); + delete ffTT; + } gfree(fontBuf); // ending comment @@ -1385,10 +1719,10 @@ void PSOutputDev::setupExternalTrueTypeFont(GfxFont *font, char *psName) { } void PSOutputDev::setupEmbeddedCIDType0Font(GfxFont *font, Ref *id, - char *psName) { + GString *psName) { char *fontBuf; int fontLen; - Type1CFontFile *t1cFile; + FoFiType1C *ffT1C; int i; // check if font is already embedded @@ -1406,22 +1740,23 @@ void PSOutputDev::setupEmbeddedCIDType0Font(GfxFont *font, Ref *id, fontFileIDs[fontFileIDLen++] = *id; // beginning comment - writePSFmt("%%%%BeginResource: font %s\n", psName); + writePSFmt("%%%%BeginResource: font %s\n", psName->getCString()); embFontList->append("%%+ font "); - embFontList->append(psName); + embFontList->append(psName->getCString()); 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); + if ((ffT1C = FoFiType1C::make(fontBuf, fontLen))) { + if (globalParams->getPSLevel() >= psLevel3) { + // Level 3: use a CID font + ffT1C->convertToCIDType0(psName->getCString(), outputFunc, outputStream); + } else { + // otherwise: use a non-CID composite font + ffT1C->convertToType0(psName->getCString(), outputFunc, outputStream); + } + delete ffT1C; } - delete t1cFile; gfree(fontBuf); // ending comment @@ -1429,10 +1764,10 @@ void PSOutputDev::setupEmbeddedCIDType0Font(GfxFont *font, Ref *id, } void PSOutputDev::setupEmbeddedCIDTrueTypeFont(GfxFont *font, Ref *id, - char *psName) { + GString *psName) { char *fontBuf; int fontLen; - TrueTypeFontFile *ttFile; + FoFiTrueType *ffTT; int i; // check if font is already embedded @@ -1450,33 +1785,36 @@ void PSOutputDev::setupEmbeddedCIDTrueTypeFont(GfxFont *font, Ref *id, fontFileIDs[fontFileIDLen++] = *id; // beginning comment - writePSFmt("%%%%BeginResource: font %s\n", psName); + writePSFmt("%%%%BeginResource: font %s\n", psName->getCString()); embFontList->append("%%+ font "); - embFontList->append(psName); + embFontList->append(psName->getCString()); 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, + if ((ffTT = FoFiTrueType::make(fontBuf, fontLen))) { + if (globalParams->getPSLevel() >= psLevel3) { + // Level 3: use a CID font + ffTT->convertToCIDType2(psName->getCString(), ((GfxCIDFont *)font)->getCIDToGID(), ((GfxCIDFont *)font)->getCIDToGIDLen(), outputFunc, outputStream); - } else { - // otherwise: use a non-CID composite font - ttFile->convertToType0(psName, ((GfxCIDFont *)font)->getCIDToGID(), + } else { + // otherwise: use a non-CID composite font + ffTT->convertToType0(psName->getCString(), + ((GfxCIDFont *)font)->getCIDToGID(), ((GfxCIDFont *)font)->getCIDToGIDLen(), outputFunc, outputStream); + } + delete ffTT; } - delete ttFile; gfree(fontBuf); // ending comment writePS("%%EndResource\n"); } -void PSOutputDev::setupType3Font(GfxFont *font, char *psName, +void PSOutputDev::setupType3Font(GfxFont *font, GString *psName, Dict *parentResDict) { Dict *resDict; Dict *charProcs; @@ -1489,19 +1827,21 @@ void PSOutputDev::setupType3Font(GfxFont *font, char *psName, // set up resources used by font if ((resDict = ((Gfx8BitFont *)font)->getResources())) { + inType3Char = gTrue; setupResources(resDict); + inType3Char = gFalse; } else { resDict = parentResDict; } // beginning comment - writePSFmt("%%%%BeginResource: font %s\n", psName); + writePSFmt("%%%%BeginResource: font %s\n", psName->getCString()); embFontList->append("%%+ font "); - embFontList->append(psName); + embFontList->append(psName->getCString()); embFontList->append("\n"); // font dictionary - writePS("7 dict begin\n"); + writePS("8 dict begin\n"); writePS("/FontType 3 def\n"); m = font->getFontMatrix(); writePSFmt("/FontMatrix [%g %g %g %g %g %g] def\n", @@ -1557,7 +1897,7 @@ void PSOutputDev::setupType3Font(GfxFont *font, char *psName, writePS("end\n"); } writePS("currentdict end\n"); - writePSFmt("/%s exch definefont pop\n", psName); + writePSFmt("/%s exch definefont pop\n", psName->getCString()); // ending comment writePS("%%EndResource\n"); @@ -1567,7 +1907,7 @@ void PSOutputDev::setupImages(Dict *resDict) { Object xObjDict, xObj, xObjRef, subtypeObj; int i; - if (mode != psModeForm) { + if (!(mode == psModeForm || inType3Char)) { return; } @@ -1595,11 +1935,14 @@ void PSOutputDev::setupImages(Dict *resDict) { } void PSOutputDev::setupImage(Ref id, Stream *str) { + GBool useASCIIHex; int c; int size, line, col, i; // construct an encoder stream - if (globalParams->getPSASCIIHex()) { + useASCIIHex = level == psLevel1 || level == psLevel1Sep || + globalParams->getPSASCIIHex(); + if (useASCIIHex) { str = new ASCIIHexEncoder(str); } else { str = new ASCII85Encoder(str); @@ -1612,18 +1955,18 @@ void PSOutputDev::setupImage(Ref id, Stream *str) { do { c = str->getChar(); } while (c == '\n' || c == '\r'); - if (c == '~' || c == EOF) { + if (c == (useASCIIHex ? '>' : '~') || c == EOF) { break; } if (c == 'z') { ++col; } else { ++col; - for (i = 1; i <= 4; ++i) { + for (i = 1; i <= (useASCIIHex ? 1 : 4); ++i) { do { c = str->getChar(); } while (c == '\n' || c == '\r'); - if (c == '~' || c == EOF) { + if (c == (useASCIIHex ? '>' : '~') || c == EOF) { break; } ++col; @@ -1633,19 +1976,20 @@ void PSOutputDev::setupImage(Ref id, Stream *str) { ++size; col = 0; } - } while (c != '~' && c != EOF); + } while (c != (useASCIIHex ? '>' : '~') && c != EOF); ++size; writePSFmt("%d array dup /ImData_%d_%d exch def\n", size, id.num, id.gen); + str->close(); // write the data into the array str->reset(); line = col = 0; - writePS("dup 0 <~"); + writePS((char *)(useASCIIHex ? "dup 0 <" : "dup 0 <~")); do { do { c = str->getChar(); } while (c == '\n' || c == '\r'); - if (c == '~' || c == EOF) { + if (c == (useASCIIHex ? '>' : '~') || c == EOF) { break; } if (c == 'z') { @@ -1654,11 +1998,11 @@ void PSOutputDev::setupImage(Ref id, Stream *str) { } else { writePSChar(c); ++col; - for (i = 1; i <= 4; ++i) { + for (i = 1; i <= (useASCIIHex ? 1 : 4); ++i) { do { c = str->getChar(); } while (c == '\n' || c == '\r'); - if (c == '~' || c == EOF) { + if (c == (useASCIIHex ? '>' : '~') || c == EOF) { break; } writePSChar(c); @@ -1670,20 +2014,22 @@ void PSOutputDev::setupImage(Ref id, Stream *str) { // 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"); + writePS((char *)(useASCIIHex ? "> put\n" : "~> put\n")); ++line; - writePSFmt("dup %d <~", line); + writePSFmt((char *)(useASCIIHex ? "dup %d <" : "dup %d <~"), line); col = 0; } - } while (c != '~' && c != EOF); - writePS("~> put\n"); + } while (c != (useASCIIHex ? '>' : '~') && c != EOF); + writePS((char *)(useASCIIHex ? "> put\n" : "~> put\n")); writePS("pop\n"); + str->close(); delete str; } void PSOutputDev::startPage(int pageNum, GfxState *state) { - int x1, y1, x2, y2, width, height, t; + int x1, y1, x2, y2, width, height; + int imgWidth, imgHeight, imgWidth2, imgHeight2; switch (mode) { @@ -1693,52 +2039,70 @@ void PSOutputDev::startPage(int pageNum, GfxState *state) { writePS("%%BeginPageSetup\n"); // rotate, translate, and scale page + imgWidth = imgURX - imgLLX; + imgHeight = imgURY - imgLLY; 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; + tx = ty = 0; + // portrait or landscape + if (width > height && width > imgWidth) { + rotate = 90; writePSFmt("%%%%PageOrientation: %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; + ty = -imgWidth; + imgWidth2 = imgHeight; + imgHeight2 = imgWidth; } else { - landscape = gFalse; + rotate = 0; writePSFmt("%%%%PageOrientation: %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; + imgWidth2 = imgWidth; + imgHeight2 = imgHeight; + } + // shrink or expand + if ((globalParams->getPSShrinkLarger() && + (width > imgWidth2 || height > imgHeight2)) || + (globalParams->getPSExpandSmaller() && + (width < imgWidth2 && height < imgHeight2))) { + xScale = (double)imgWidth2 / (double)width; + yScale = (double)imgHeight2 / (double)height; if (yScale < xScale) { xScale = yScale; } else { yScale = xScale; } - writePSFmt("%0.4f %0.4f scale\n", xScale, xScale); } else { xScale = yScale = 1; } + // deal with odd bounding boxes + tx -= xScale * x1; + ty -= yScale * y1; + // center + if (globalParams->getPSCenter()) { + tx += (imgWidth2 - xScale * width) / 2; + ty += (imgHeight2 - yScale * height) / 2; + } + tx += imgLLX + tx0; + ty += imgLLY + ty0; + xScale *= xScale0; + yScale *= yScale0; + if (tx != 0 || ty != 0) { + writePSFmt("%g %g translate\n", tx, ty); + } + if (xScale != 1 || yScale != 1) { + writePSFmt("%0.4f %0.4f scale\n", xScale, xScale); + } + if (clipLLX0 < clipURX0 && clipLLY0 < clipURY0) { + writePSFmt("%g %g %g %g re W\n", + clipLLX0, clipLLY0, clipURX0 - clipLLX0, clipURY0 - clipLLY0); + } writePS("%%EndPageSetup\n"); ++seqPage; @@ -1748,7 +2112,7 @@ void PSOutputDev::startPage(int pageNum, GfxState *state) { writePS("pdfStartPage\n"); tx = ty = 0; xScale = yScale = 1; - landscape = gFalse; + rotate = 0; break; case psModeForm: @@ -1757,12 +2121,20 @@ void PSOutputDev::startPage(int pageNum, GfxState *state) { writePS("pdfStartPage\n"); tx = ty = 0; xScale = yScale = 1; - landscape = gFalse; + rotate = 0; break; } + + if (underlayCbk) { + (*underlayCbk)(this, underlayCbkData); + } } void PSOutputDev::endPage() { + if (overlayCbk) { + (*overlayCbk)(this, overlayCbkData); + } + if (mode == psModeForm) { writePS("pdfEndPage\n"); @@ -1770,18 +2142,22 @@ void PSOutputDev::endPage() { writePS("} def\n"); writePS("end end\n"); } else { - writePS("showpage\n"); - writePS("%%PageTrailer\n"); - writePS("pdfEndPage\n"); + if (!manualCtrl) { + writePS("showpage\n"); + writePS("%%PageTrailer\n"); + writePageTrailer(); + } } } void PSOutputDev::saveState(GfxState *state) { writePS("q\n"); + ++numSaves; } void PSOutputDev::restoreState(GfxState *state) { writePS("Q\n"); + --numSaves; } void PSOutputDev::updateCTM(GfxState *state, double m11, double m12, @@ -1998,7 +2374,12 @@ void PSOutputDev::updateWordSpace(GfxState *state) { } void PSOutputDev::updateHorizScaling(GfxState *state) { - writePSFmt("%g Tz\n", state->getHorizScaling()); + double h; + + if ((h = state->getHorizScaling()) < 0.01) { + h = 0.01; + } + writePSFmt("%g Tz\n", h); } void PSOutputDev::updateTextPos(GfxState *state) { @@ -2113,7 +2494,7 @@ void PSOutputDev::drawString(GfxState *state, GString *s) { int len, nChars, uLen, n, m, i, j; // check for invisible text -- this is used by Acrobat Capture - if ((state->getRender() & 3) == 3) { + if (state->getRender() == 3) { return; } @@ -2200,6 +2581,17 @@ void PSOutputDev::drawString(GfxState *state, GString *s) { if (font->isCIDFont()) { delete s2; } + + if (state->getRender() & 4) { + haveTextClip = gTrue; + } +} + +void PSOutputDev::endTextObject(GfxState *state) { + if (haveTextClip) { + writePS("Tclip\n"); + haveTextClip = gFalse; + } } void PSOutputDev::drawImageMask(GfxState *state, Object *ref, Stream *str, @@ -2209,7 +2601,7 @@ void PSOutputDev::drawImageMask(GfxState *state, Object *ref, Stream *str, len = height * ((width + 7) / 8); if (level == psLevel1 || level == psLevel1Sep) { - doImageL1(NULL, invert, inlineImg, str, width, height, len); + doImageL1(ref, NULL, invert, inlineImg, str, width, height, len); } else { doImageL2(ref, NULL, invert, inlineImg, str, width, height, len); } @@ -2224,7 +2616,7 @@ void PSOutputDev::drawImage(GfxState *state, Object *ref, Stream *str, colorMap->getBits() + 7) / 8); switch (level) { case psLevel1: - doImageL1(colorMap, gFalse, inlineImg, str, width, height, len); + doImageL1(ref, colorMap, gFalse, inlineImg, str, width, height, len); break; case psLevel1Sep: //~ handle indexed, separation, ... color spaces @@ -2240,16 +2632,56 @@ void PSOutputDev::drawImage(GfxState *state, Object *ref, Stream *str, t3Cacheable = gFalse; } -void PSOutputDev::doImageL1(GfxImageColorMap *colorMap, +void PSOutputDev::doImageL1(Object *ref, 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; + int col, x, y, c, i; - // width, height, matrix, bits per component - if (colorMap) { + if (inType3Char && !colorMap) { + if (inlineImg) { + // create an array + str = new FixedLengthEncoder(str, len); + str = new ASCIIHexEncoder(str); + str->reset(); + col = 0; + writePS("[<"); + do { + do { + c = str->getChar(); + } while (c == '\n' || c == '\r'); + if (c == '>' || c == EOF) { + break; + } + writePSChar(c); + ++col; + // each line is: "<...data...>" + // so max data length = 255 - 4 = 251 + // but make it 240 just to be safe + // chunks are 2 bytes each, so we need to stop on an even col number + if (col == 240) { + writePS(">\n<"); + col = 0; + } + } while (c != '>' && c != EOF); + writePS(">]\n"); + writePS("0\n"); + str->close(); + delete str; + } else { + // set up to use the array already created by setupImages() + writePSFmt("ImData_%d_%d 0\n", ref->getRefNum(), ref->getRefGen()); + } + } + + // image/imagemask command + if (inType3Char && !colorMap) { + writePSFmt("%d %d %s [%d 0 0 %d 0 %d] pdfImM1a\n", + width, height, invert ? "true" : "false", + width, -height, height); + } else if (colorMap) { writePSFmt("%d %d 8 [%d 0 0 %d 0 %d] pdfIm1\n", width, height, width, -height, height); @@ -2259,51 +2691,54 @@ void PSOutputDev::doImageL1(GfxImageColorMap *colorMap, width, -height, height); } - // image - if (colorMap) { + // image data + if (!(inType3Char && !colorMap)) { - // set up to process the data stream - imgStr = new ImageStream(str, width, colorMap->getNumPixelComps(), - colorMap->getBits()); - imgStr->reset(); + if (colorMap) { - // process the data stream - i = 0; - for (y = 0; y < height; ++y) { + // set up to process the data stream + imgStr = new ImageStream(str, width, colorMap->getNumPixelComps(), + colorMap->getBits()); + imgStr->reset(); - // 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; + // 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; + 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; + // 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(); } - if (i != 0) { - writePSChar('\n'); - } - str->close(); } } @@ -2369,12 +2804,12 @@ void PSOutputDev::doImageL2(Object *ref, GfxImageColorMap *colorMap, Stream *str, int width, int height, int len) { GString *s; int n, numComps; - GBool useRLE, useASCII, useCompressed; + GBool useRLE, useASCII, useASCIIHex, useCompressed; GfxSeparationColorSpace *sepCS; GfxColor color; GfxCMYK cmyk; int c; - int line, col, i; + int col, i; // color space if (colorMap) { @@ -2382,24 +2817,26 @@ void PSOutputDev::doImageL2(Object *ref, GfxImageColorMap *colorMap, writePS(" setcolorspace\n"); } + useASCIIHex = globalParams->getPSASCIIHex(); + // set up the image data if (mode == psModeForm || inType3Char) { if (inlineImg) { // create an array str = new FixedLengthEncoder(str, len); - if (globalParams->getPSASCIIHex()) { + if (useASCIIHex) { str = new ASCIIHexEncoder(str); } else { str = new ASCII85Encoder(str); } str->reset(); - line = col = 0; - writePS("[<~"); + col = 0; + writePS((char *)(useASCIIHex ? "[<" : "[<~")); do { do { c = str->getChar(); } while (c == '\n' || c == '\r'); - if (c == '~' || c == EOF) { + if (c == (useASCIIHex ? '>' : '~') || c == EOF) { break; } if (c == 'z') { @@ -2408,30 +2845,29 @@ void PSOutputDev::doImageL2(Object *ref, GfxImageColorMap *colorMap, } else { writePSChar(c); ++col; - for (i = 1; i <= 4; ++i) { + for (i = 1; i <= (useASCIIHex ? 1 : 4); ++i) { do { c = str->getChar(); } while (c == '\n' || c == '\r'); - if (c == '~' || c == EOF) { + if (c == (useASCIIHex ? '>' : '~') || c == EOF) { break; } writePSChar(c); ++col; } } - // each line is: "dup nnnnn <~...data...~> put" - // 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); + // each line is: "<~...data...~>" + // so max data length = 255 - 6 = 249 + // chunks are 1 or 5 bytes each, so we have to stop at 245 + // but make it 240 just to be safe + if (col > 240) { + writePS((char *)(useASCIIHex ? ">\n<" : "~>\n<~")); col = 0; } - } while (c != '~' && c != EOF); - writePS("~>]\n"); + } while (c != (useASCIIHex ? '>' : '~') && c != EOF); + writePS((char *)(useASCIIHex ? ">]\n" : "~>]\n")); writePS("0\n"); + str->close(); delete str; } else { // set up to use the array already created by setupImages() @@ -2446,8 +2882,12 @@ void PSOutputDev::doImageL2(Object *ref, GfxImageColorMap *colorMap, 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); + if (colorMap && colorMap->getColorSpace()->getMode() == csDeviceN) { + writePSFmt(" /BitsPerComponent 8\n"); + } else { + writePSFmt(" /BitsPerComponent %d\n", + colorMap ? colorMap->getBits() : 1); + } // decode if (colorMap) { @@ -2457,6 +2897,16 @@ void PSOutputDev::doImageL2(Object *ref, GfxImageColorMap *colorMap, n = (1 << colorMap->getBits()) - 1; writePSFmt("%g %g", colorMap->getDecodeLow(0) * n, colorMap->getDecodeHigh(0) * n); + } else if (colorMap->getColorSpace()->getMode() == csDeviceN) { + numComps = ((GfxDeviceNColorSpace *)colorMap->getColorSpace())-> + getAlt()->getNComps(); + for (i = 0; i < numComps; ++i) { + if (i > 0) { + writePS(" "); + } + writePSFmt("0 1", colorMap->getDecodeLow(i), + colorMap->getDecodeHigh(i)); + } } else { numComps = colorMap->getNumPixelComps(); for (i = 0; i < numComps; ++i) { @@ -2487,8 +2937,10 @@ void PSOutputDev::doImageL2(Object *ref, GfxImageColorMap *colorMap, // data source writePS(" /DataSource currentfile\n"); - s = str->getPSFilter(" "); - if (inlineImg || !s) { + s = str->getPSFilter(level < psLevel2 ? 1 : level < psLevel3 ? 2 : 3, + " "); + if ((colorMap && colorMap->getColorSpace()->getMode() == csDeviceN) || + inlineImg || !s) { useRLE = gTrue; useASCII = gTrue; useCompressed = gFalse; @@ -2499,7 +2951,7 @@ void PSOutputDev::doImageL2(Object *ref, GfxImageColorMap *colorMap, } if (useASCII) { writePSFmt(" /ASCII%sDecode filter\n", - globalParams->getPSASCIIHex() ? "Hex" : "85"); + useASCIIHex ? "Hex" : "85"); } if (useRLE) { writePS(" /RunLengthDecode filter\n"); @@ -2518,12 +2970,17 @@ void PSOutputDev::doImageL2(Object *ref, GfxImageColorMap *colorMap, str = str->getBaseStream(); } + // recode DeviceN data + if (colorMap && colorMap->getColorSpace()->getMode() == csDeviceN) { + str = new DeviceNRecoder(str, width, height, colorMap); + } + // add RunLengthEncode and ASCIIHex/85 encode filters if (useRLE) { str = new RunLengthEncoder(str); } if (useASCII) { - if (globalParams->getPSASCIIHex()) { + if (useASCIIHex) { str = new ASCIIHexEncoder(str); } else { str = new ASCII85Encoder(str); @@ -2688,6 +3145,8 @@ void PSOutputDev::dumpColorSpaceL2(GfxColorSpace *colorSpace) { break; case csICCBased: + // there is no transform function to the alternate color space, so + // we can use it directly dumpColorSpaceL2(((GfxICCBasedColorSpace *)colorSpace)->getAlt()); break; @@ -2764,7 +3223,10 @@ void PSOutputDev::dumpColorSpaceL2(GfxColorSpace *colorSpace) { writePS("\n"); } writePS(">]"); +#if 0 //~ this shouldn't be here since the PS file doesn't actually refer + //~ to this colorant (it's converted to CMYK instead) addCustomColor(separationCS); +#endif break; case csDeviceN: @@ -3133,10 +3595,17 @@ void PSOutputDev::opiTransform(GfxState *state, double x0, double y0, state->transform(x0, y0, x1, y1); *x1 += tx; *y1 += ty; - if (landscape) { + if (rotate == 90) { t = *x1; *x1 = -*y1; *y1 = t; + } else if (rotate == 180) { + *x1 = -*x1; + *y1 = -*y1; + } else if (rotate == 270) { + t = *x1; + *x1 = *y1; + *y1 = -t; } *x1 *= xScale; *y1 *= yScale; @@ -3309,6 +3778,15 @@ GString *PSOutputDev::filterPSName(GString *name) { char c; name2 = new GString(); + + // ghostscript chokes on names that begin with out-of-limits + // numbers, e.g., 1e4foo is handled correctly (as a name), but + // 1e999foo generates a limitcheck error + c = name->getChar(0); + if (c >= '0' && c <= '9') { + name2->append('f'); + } + for (i = 0; i < name->getLength(); ++i) { c = name->getChar(i); if (c <= (char)0x20 || c >= (char)0x7f ||