1 //========================================================================
2 //
3 // PSOutputDev.h
4 //
5 // Copyright 1996-2003 Glyph & Cog, LLC
6 //
7 //========================================================================
8 
9 //========================================================================
10 //
11 // Modified under the Poppler project - http://poppler.freedesktop.org
12 //
13 // All changes made under the Poppler project to this file are licensed
14 // under GPL version 2 or later
15 //
16 // Copyright (C) 2005 Martin Kretzschmar <martink@gnome.org>
17 // Copyright (C) 2005 Kristian Høgsberg <krh@redhat.com>
18 // Copyright (C) 2006-2008, 2012, 2013, 2015, 2017-2021 Albert Astals Cid <aacid@kde.org>
19 // Copyright (C) 2007 Brad Hards <bradh@kde.org>
20 // Copyright (C) 2009-2013 Thomas Freitag <Thomas.Freitag@alfa.de>
21 // Copyright (C) 2009 Till Kamppeter <till.kamppeter@gmail.com>
22 // Copyright (C) 2009 Carlos Garcia Campos <carlosgc@gnome.org>
23 // Copyright (C) 2009, 2011, 2015-2017, 2020 William Bader <williambader@hotmail.com>
24 // Copyright (C) 2010 Hib Eris <hib@hiberis.nl>
25 // Copyright (C) 2011, 2014, 2017, 2020 Adrian Johnson <ajohnson@redneon.com>
26 // Copyright (C) 2012 Fabio D'Urso <fabiodurso@hotmail.it>
27 // Copyright (C) 2018 Klarälvdalens Datakonsult AB, a KDAB Group company, <info@kdab.com>. Work sponsored by the LiMux project of the city of Munich
28 // Copyright (C) 2018 Adam Reichold <adam.reichold@t-online.de>
29 // Copyright (C) 2018, 2020 Philipp Knechtges <philipp-dev@knechtges.com>
30 // Copyright (C) 2019 Oliver Sander <oliver.sander@tu-dresden.de>
31 // Copyright (C) 2021 Hubert Figuiere <hub@figuiere.net>
32 // Copyright (C) 2021 Christian Persch <chpe@src.gnome.org>
33 //
34 // To see a description of the changes please see the Changelog file that
35 // came with your tarball or type make ChangeLog if you are building from git
36 //
37 //========================================================================
38 
39 #ifndef PSOUTPUTDEV_H
40 #define PSOUTPUTDEV_H
41 
42 #include "poppler-config.h"
43 #include "poppler_private_export.h"
44 #include <cstddef>
45 #include "Object.h"
46 #include "GfxState.h"
47 #include "GlobalParams.h"
48 #include "OutputDev.h"
49 #include <set>
50 #include <map>
51 #include <vector>
52 #include <unordered_set>
53 #include <unordered_map>
54 #include <string>
55 
56 #include "splash/Splash.h"
57 
58 class PDFDoc;
59 class XRef;
60 class Function;
61 class GfxPath;
62 class GfxFont;
63 class GfxColorSpace;
64 class GfxSeparationColorSpace;
65 class PDFRectangle;
66 struct PST1FontName;
67 struct PSFont8Info;
68 struct PSFont16Enc;
69 class PSOutCustomColor;
70 struct PSOutPaperSize;
71 class PSOutputDev;
72 
73 //------------------------------------------------------------------------
74 // PSOutputDev
75 //------------------------------------------------------------------------
76 
77 enum PSLevel
78 {
79     psLevel1,
80     psLevel1Sep,
81     psLevel2,
82     psLevel2Sep,
83     psLevel3,
84     psLevel3Sep
85 };
86 
87 enum PSOutMode
88 {
89     psModePS,
90     psModeEPS,
91     psModeForm
92 };
93 
94 enum PSFileType
95 {
96     psFile, // write to file
97     psPipe, // write to pipe
98     psStdout, // write to stdout
99     psGeneric // write to a generic stream
100 };
101 
102 enum PSOutCustomCodeLocation
103 {
104     psOutCustomDocSetup,
105     psOutCustomPageSetup
106 };
107 
108 enum PSForceRasterize
109 {
110     psRasterizeWhenNeeded, // default
111     psAlwaysRasterize, // always rasterize, useful for testing
112     psNeverRasterize // never rasterize, may produce incorrect output
113 };
114 
115 typedef void (*PSOutputFunc)(void *stream, const char *data, int len);
116 
117 typedef GooString *(*PSOutCustomCodeCbk)(PSOutputDev *psOut, PSOutCustomCodeLocation loc, int n, void *data);
118 
119 class POPPLER_PRIVATE_EXPORT PSOutputDev : public OutputDev
120 {
121 public:
122     // Open a PostScript output file, and write the prolog.
123     // pages has to be sorted in increasing order
124     PSOutputDev(const char *fileName, PDFDoc *docA, char *psTitleA, const std::vector<int> &pages, PSOutMode modeA, int paperWidthA = -1, int paperHeightA = -1, bool noCrop = false, bool duplexA = true, int imgLLXA = 0, int imgLLYA = 0,
125                 int imgURXA = 0, int imgURYA = 0, PSForceRasterize forceRasterizeA = psRasterizeWhenNeeded, bool manualCtrlA = false, PSOutCustomCodeCbk customCodeCbkA = nullptr, void *customCodeCbkDataA = nullptr,
126                 PSLevel levelA = psLevel2);
127 
128     // Open a PSOutputDev that will write to a file descriptor
129     PSOutputDev(int fdA, PDFDoc *docA, char *psTitleA, const std::vector<int> &pages, PSOutMode modeA, int paperWidthA = -1, int paperHeightA = -1, bool noCrop = false, bool duplexA = true, int imgLLXA = 0, int imgLLYA = 0, int imgURXA = 0,
130                 int imgURYA = 0, PSForceRasterize forceRasterizeA = psRasterizeWhenNeeded, bool manualCtrlA = false, PSOutCustomCodeCbk customCodeCbkA = nullptr, void *customCodeCbkDataA = nullptr, PSLevel levelA = psLevel2);
131 
132     // Open a PSOutputDev that will write to a generic stream.
133     // pages has to be sorted in increasing order
134     PSOutputDev(PSOutputFunc outputFuncA, void *outputStreamA, char *psTitleA, PDFDoc *docA, const std::vector<int> &pages, PSOutMode modeA, int paperWidthA = -1, int paperHeightA = -1, bool noCrop = false, bool duplexA = true,
135                 int imgLLXA = 0, int imgLLYA = 0, int imgURXA = 0, int imgURYA = 0, PSForceRasterize forceRasterizeA = psRasterizeWhenNeeded, bool manualCtrlA = false, PSOutCustomCodeCbk customCodeCbkA = nullptr,
136                 void *customCodeCbkDataA = nullptr, PSLevel levelA = psLevel2);
137 
138     // Destructor -- writes the trailer and closes the file.
139     ~PSOutputDev() override;
140 
141     // Check if file was successfully created.
isOk()142     virtual bool isOk() { return ok; }
143 
144     //---- get info about output device
145 
146     // Does this device use upside-down coordinates?
147     // (Upside-down means (0,0) is the top left corner of the page.)
upsideDown()148     bool upsideDown() override { return false; }
149 
150     // Does this device use drawChar() or drawString()?
useDrawChar()151     bool useDrawChar() override { return false; }
152 
153     // Does this device use tilingPatternFill()?  If this returns false,
154     // tiling pattern fills will be reduced to a series of other drawing
155     // operations.
useTilingPatternFill()156     bool useTilingPatternFill() override { return true; }
157 
158     // Does this device use functionShadedFill(), axialShadedFill(), and
159     // radialShadedFill()?  If this returns false, these shaded fills
160     // will be reduced to a series of other drawing operations.
useShadedFills(int type)161     bool useShadedFills(int type) override { return (type < 4 && level >= psLevel2) || (type == 7 && level >= psLevel3); }
162 
163     // Does this device use drawForm()?  If this returns false,
164     // form-type XObjects will be interpreted (i.e., unrolled).
useDrawForm()165     bool useDrawForm() override { return preloadImagesForms; }
166 
167     // Does this device use beginType3Char/endType3Char?  Otherwise,
168     // text in Type 3 fonts will be drawn with drawChar/drawString.
interpretType3Chars()169     bool interpretType3Chars() override { return false; }
170 
needClipToCropBox()171     bool needClipToCropBox() override { return mode == psModeEPS; }
172 
173     //----- header/trailer (used only if manualCtrl is true)
174 
175     // Write the document-level header.
176     void writeHeader(int nPages, const PDFRectangle *mediaBox, const PDFRectangle *cropBox, int pageRotate, const char *title);
177 
178     // Write the Xpdf procset.
179     void writeXpdfProcset();
180 
181     // Write the trailer for the current page.
182     void writePageTrailer();
183 
184     // Write the document trailer.
185     void writeTrailer();
186 
187     //----- initialization and control
188 
189     // Check to see if a page slice should be displayed.  If this
190     // returns false, the page display is aborted.  Typically, an
191     // OutputDev will use some alternate means to display the page
192     // before returning false.
193     bool checkPageSlice(Page *page, double hDPI, double vDPI, int rotate, bool useMediaBox, bool crop, int sliceX, int sliceY, int sliceW, int sliceH, bool printing, bool (*abortCheckCbk)(void *data) = nullptr,
194                         void *abortCheckCbkData = nullptr, bool (*annotDisplayDecideCbk)(Annot *annot, void *user_data) = nullptr, void *annotDisplayDecideCbkData = nullptr) override;
195 
196     // Start a page.
197     void startPage(int pageNum, GfxState *state, XRef *xref) override;
198 
199     // End a page.
200     void endPage() override;
201 
202     //----- save/restore graphics state
203     void saveState(GfxState *state) override;
204     void restoreState(GfxState *state) override;
205 
206     //----- update graphics state
207     void updateCTM(GfxState *state, double m11, double m12, double m21, double m22, double m31, double m32) override;
208     void updateLineDash(GfxState *state) override;
209     void updateFlatness(GfxState *state) override;
210     void updateLineJoin(GfxState *state) override;
211     void updateLineCap(GfxState *state) override;
212     void updateMiterLimit(GfxState *state) override;
213     void updateLineWidth(GfxState *state) override;
214     void updateFillColorSpace(GfxState *state) override;
215     void updateStrokeColorSpace(GfxState *state) override;
216     void updateFillColor(GfxState *state) override;
217     void updateStrokeColor(GfxState *state) override;
218     void updateFillOverprint(GfxState *state) override;
219     void updateStrokeOverprint(GfxState *state) override;
220     void updateOverprintMode(GfxState *state) override;
221     void updateTransfer(GfxState *state) override;
222 
223     //----- update text state
224     void updateFont(GfxState *state) override;
225     void updateTextMat(GfxState *state) override;
226     void updateCharSpace(GfxState *state) override;
227     void updateRender(GfxState *state) override;
228     void updateRise(GfxState *state) override;
229     void updateWordSpace(GfxState *state) override;
230     void updateHorizScaling(GfxState *state) override;
231     void updateTextPos(GfxState *state) override;
232     void updateTextShift(GfxState *state, double shift) override;
233     void saveTextPos(GfxState *state) override;
234     void restoreTextPos(GfxState *state) override;
235 
236     //----- path painting
237     void stroke(GfxState *state) override;
238     void fill(GfxState *state) override;
239     void eoFill(GfxState *state) override;
240     bool tilingPatternFill(GfxState *state, Gfx *gfx, Catalog *cat, GfxTilingPattern *tPat, const double *mat, int x0, int y0, int x1, int y1, double xStep, double yStep) override;
241     bool functionShadedFill(GfxState *state, GfxFunctionShading *shading) override;
242     bool axialShadedFill(GfxState *state, GfxAxialShading *shading, double /*tMin*/, double /*tMax*/) override;
243     bool radialShadedFill(GfxState *state, GfxRadialShading *shading, double /*sMin*/, double /*sMax*/) override;
244     bool patchMeshShadedFill(GfxState *state, GfxPatchMeshShading *shading) override;
245 
246     //----- path clipping
247     void clip(GfxState *state) override;
248     void eoClip(GfxState *state) override;
249     void clipToStrokePath(GfxState *state) override;
250 
251     //----- text drawing
252     void drawString(GfxState *state, const GooString *s) override;
253     void beginTextObject(GfxState *state) override;
254     void endTextObject(GfxState *state) override;
255 
256     //----- image drawing
257     void drawImageMask(GfxState *state, Object *ref, Stream *str, int width, int height, bool invert, bool interpolate, bool inlineImg) override;
258     void setSoftMaskFromImageMask(GfxState *state, Object *ref, Stream *str, int width, int height, bool invert, bool inlineImg, double *baseMatrix) override;
259     void unsetSoftMaskFromImageMask(GfxState *state, double *baseMatrix) override;
260     void drawImage(GfxState *state, Object *ref, Stream *str, int width, int height, GfxImageColorMap *colorMap, bool interpolate, const int *maskColors, bool inlineImg) override;
261     void drawMaskedImage(GfxState *state, Object *ref, Stream *str, int width, int height, GfxImageColorMap *colorMap, bool interpolate, Stream *maskStr, int maskWidth, int maskHeight, bool maskInvert, bool maskInterpolate) override;
262 
263 #ifdef OPI_SUPPORT
264     //----- OPI functions
265     void opiBegin(GfxState *state, Dict *opiDict) override;
266     void opiEnd(GfxState *state, Dict *opiDict) override;
267 #endif
268 
269     //----- Type 3 font operators
270     void type3D0(GfxState *state, double wx, double wy) override;
271     void type3D1(GfxState *state, double wx, double wy, double llx, double lly, double urx, double ury) override;
272 
273     //----- form XObjects
274     void drawForm(Ref ref) override;
275 
276     //----- PostScript XObjects
277     void psXObject(Stream *psStream, Stream *level1Stream) override;
278 
279     //----- miscellaneous
setOffset(double x,double y)280     void setOffset(double x, double y)
281     {
282         tx0 = x;
283         ty0 = y;
284     }
setScale(double x,double y)285     void setScale(double x, double y)
286     {
287         xScale0 = x;
288         yScale0 = y;
289     }
setRotate(int rotateA)290     void setRotate(int rotateA) { rotate0 = rotateA; }
setClip(double llx,double lly,double urx,double ury)291     void setClip(double llx, double lly, double urx, double ury)
292     {
293         clipLLX0 = llx;
294         clipLLY0 = lly;
295         clipURX0 = urx;
296         clipURY0 = ury;
297     }
setUnderlayCbk(void (* cbk)(PSOutputDev * psOut,void * data),void * data)298     void setUnderlayCbk(void (*cbk)(PSOutputDev *psOut, void *data), void *data)
299     {
300         underlayCbk = cbk;
301         underlayCbkData = data;
302     }
setOverlayCbk(void (* cbk)(PSOutputDev * psOut,void * data),void * data)303     void setOverlayCbk(void (*cbk)(PSOutputDev *psOut, void *data), void *data)
304     {
305         overlayCbk = cbk;
306         overlayCbkData = data;
307     }
setDisplayText(bool display)308     void setDisplayText(bool display) { displayText = display; }
309 
setPSCenter(bool center)310     void setPSCenter(bool center) { psCenter = center; }
setPSExpandSmaller(bool expand)311     void setPSExpandSmaller(bool expand) { psExpandSmaller = expand; }
setPSShrinkLarger(bool shrink)312     void setPSShrinkLarger(bool shrink) { psShrinkLarger = shrink; }
setOverprintPreview(bool overprintPreviewA)313     void setOverprintPreview(bool overprintPreviewA) { overprintPreview = overprintPreviewA; }
setRasterAntialias(bool a)314     void setRasterAntialias(bool a) { rasterAntialias = a; }
setForceRasterize(PSForceRasterize f)315     void setForceRasterize(PSForceRasterize f) { forceRasterize = f; }
setRasterResolution(double r)316     void setRasterResolution(double r) { rasterResolution = r; }
setRasterMono(bool b)317     void setRasterMono(bool b)
318     {
319         processColorFormat = splashModeMono8;
320         processColorFormatSpecified = true;
321     }
322 
setUncompressPreloadedImages(bool b)323     void setUncompressPreloadedImages(bool b) { uncompressPreloadedImages = b; }
324 
getEmbedType1()325     bool getEmbedType1() const { return embedType1; }
getEmbedTrueType()326     bool getEmbedTrueType() const { return embedTrueType; }
getEmbedCIDPostScript()327     bool getEmbedCIDPostScript() const { return embedCIDPostScript; }
getEmbedCIDTrueType()328     bool getEmbedCIDTrueType() const { return embedCIDTrueType; }
getFontPassthrough()329     bool getFontPassthrough() const { return fontPassthrough; }
getOptimizeColorSpace()330     bool getOptimizeColorSpace() const { return optimizeColorSpace; }
getPassLevel1CustomColor()331     bool getPassLevel1CustomColor() const { return passLevel1CustomColor; }
getEnableLZW()332     bool getEnableLZW() const { return enableLZW; };
getEnableFlate()333     bool getEnableFlate() const
334 #ifdef ENABLE_ZLIB
335     {
336         return enableFlate;
337     }
338 #else
339     {
340         return false;
341     }
342 #endif
setEmbedType1(bool b)343     void setEmbedType1(bool b) { embedType1 = b; }
setEmbedTrueType(bool b)344     void setEmbedTrueType(bool b) { embedTrueType = b; }
setEmbedCIDPostScript(bool b)345     void setEmbedCIDPostScript(bool b) { embedCIDPostScript = b; }
setEmbedCIDTrueType(bool b)346     void setEmbedCIDTrueType(bool b) { embedCIDTrueType = b; }
setFontPassthrough(bool b)347     void setFontPassthrough(bool b) { fontPassthrough = b; }
setOptimizeColorSpace(bool b)348     void setOptimizeColorSpace(bool b) { optimizeColorSpace = b; }
setPassLevel1CustomColor(bool b)349     void setPassLevel1CustomColor(bool b) { passLevel1CustomColor = b; }
setPreloadImagesForms(bool b)350     void setPreloadImagesForms(bool b) { preloadImagesForms = b; }
setGenerateOPI(bool b)351     void setGenerateOPI(bool b) { generateOPI = b; }
setUseASCIIHex(bool b)352     void setUseASCIIHex(bool b) { useASCIIHex = b; }
setUseBinary(bool b)353     void setUseBinary(bool b) { useBinary = b; }
setEnableLZW(bool b)354     void setEnableLZW(bool b) { enableLZW = b; }
setEnableFlate(bool b)355     void setEnableFlate(bool b) { enableFlate = b; }
356 
setProcessColorFormat(SplashColorMode format)357     void setProcessColorFormat(SplashColorMode format)
358     {
359         processColorFormat = format;
360         processColorFormatSpecified = true;
361     }
362 
363 private:
364     void init(PSOutputFunc outputFuncA, void *outputStreamA, PSFileType fileTypeA, char *psTitleA, PDFDoc *doc, const std::vector<int> &pages, PSOutMode modeA, int imgLLXA, int imgLLYA, int imgURXA, int imgURYA, bool manualCtrlA,
365               int paperWidthA, int paperHeightA, bool noCropA, bool duplexA, PSLevel levelA);
366     void postInit();
367     void setupResources(Dict *resDict);
368     void setupFonts(Dict *resDict);
369     void setupFont(GfxFont *font, Dict *parentResDict);
370     void setupEmbeddedType1Font(Ref *id, GooString *psName);
371     void updateFontMaxValidGlyph(GfxFont *font, int maxValidGlyph);
372     void setupExternalType1Font(GooString *fileName, GooString *psName);
373     void setupEmbeddedType1CFont(GfxFont *font, Ref *id, GooString *psName);
374     void setupEmbeddedOpenTypeT1CFont(GfxFont *font, Ref *id, GooString *psName);
375     void setupEmbeddedTrueTypeFont(GfxFont *font, Ref *id, GooString *psName);
376     void setupExternalTrueTypeFont(GfxFont *font, GooString *fileName, GooString *psName);
377     void setupEmbeddedCIDType0Font(GfxFont *font, Ref *id, GooString *psName);
378     void setupEmbeddedCIDTrueTypeFont(GfxFont *font, Ref *id, GooString *psName, bool needVerticalMetrics);
379     void setupExternalCIDTrueTypeFont(GfxFont *font, GooString *fileName, GooString *psName, bool needVerticalMetrics);
380     void setupEmbeddedOpenTypeCFFFont(GfxFont *font, Ref *id, GooString *psName);
381     void setupType3Font(GfxFont *font, GooString *psName, Dict *parentResDict);
382     GooString *makePSFontName(GfxFont *font, const Ref *id);
383     void setupImages(Dict *resDict);
384     void setupImage(Ref id, Stream *str, bool mask);
385     void setupForms(Dict *resDict);
386     void setupForm(Ref id, Object *strObj);
387     void addProcessColor(double c, double m, double y, double k);
388     void addCustomColor(GfxSeparationColorSpace *sepCS);
389     void doPath(const GfxPath *path);
390     void maskToClippingPath(Stream *maskStr, int maskWidth, int maskHeight, bool maskInvert);
391     void doImageL1(Object *ref, GfxImageColorMap *colorMap, bool invert, bool inlineImg, Stream *str, int width, int height, int len, const int *maskColors, Stream *maskStr, int maskWidth, int maskHeight, bool maskInvert);
392     void doImageL1Sep(Object *ref, GfxImageColorMap *colorMap, bool invert, bool inlineImg, Stream *str, int width, int height, int len, const int *maskColors, Stream *maskStr, int maskWidth, int maskHeight, bool maskInvert);
393     void doImageL2(GfxState *state, Object *ref, GfxImageColorMap *colorMap, bool invert, bool inlineImg, Stream *str, int width, int height, int len, const int *maskColors, Stream *maskStr, int maskWidth, int maskHeight, bool maskInvert);
394     void doImageL3(GfxState *state, Object *ref, GfxImageColorMap *colorMap, bool invert, bool inlineImg, Stream *str, int width, int height, int len, const int *maskColors, Stream *maskStr, int maskWidth, int maskHeight, bool maskInvert);
395     void dumpColorSpaceL2(GfxState *state, GfxColorSpace *colorSpace, bool genXform, bool updateColors, bool map01);
396     bool tilingPatternFillL1(GfxState *state, Catalog *cat, Object *str, const double *pmat, int paintType, int tilingType, Dict *resDict, const double *mat, const double *bbox, int x0, int y0, int x1, int y1, double xStep, double yStep);
397     bool tilingPatternFillL2(GfxState *state, Catalog *cat, Object *str, const double *pmat, int paintType, int tilingType, Dict *resDict, const double *mat, const double *bbox, int x0, int y0, int x1, int y1, double xStep, double yStep);
398 
399 #ifdef OPI_SUPPORT
400     void opiBegin20(GfxState *state, Dict *dict);
401     void opiBegin13(GfxState *state, Dict *dict);
402     void opiTransform(GfxState *state, double x0, double y0, double *x1, double *y1);
403 #endif
404     void cvtFunction(const Function *func, bool invertPSFunction = false);
405     GooString *filterPSName(const GooString *name);
406 
407     // Write the document-level setup.
408     void writeDocSetup(Catalog *catalog, const std::vector<int> &pageList, bool duplexA);
409 
410     void writePSChar(char c);
411     void writePS(const char *s);
412     void writePSBuf(const char *s, int len);
413     void writePSFmt(const char *fmt, ...);
414     void writePSString(const std::string &s);
415     void writePSName(const char *s);
416     GooString *filterPSLabel(GooString *label, bool *needParens = nullptr);
417     void writePSTextLine(const GooString *s);
418 
419     PSLevel level; // PostScript level (1, 2, separation)
420     PSOutMode mode; // PostScript mode (PS, EPS, form)
421     int paperWidth; // width of paper, in pts
422     int paperHeight; // height of paper, in pts
423     bool paperMatch; // true if paper size is set to match each page
424     int prevWidth; // width of previous page
425                    // (only psModePSOrigPageSizes output mode)
426     int prevHeight; // height of previous page
427                     // (only psModePSOrigPageSizes output mode)
428     int imgLLX, imgLLY, // imageable area, in pts
429             imgURX, imgURY;
430     bool noCrop;
431     bool duplex;
432     std::vector<int> pages;
433     char *psTitle;
434     bool postInitDone; // true if postInit() was called
435 
436     PSOutputFunc outputFunc;
437     void *outputStream;
438     PSFileType fileType; // file / pipe / stdout
439     bool manualCtrl;
440     int seqPage; // current sequential page number
441     void (*underlayCbk)(PSOutputDev *psOut, void *data);
442     void *underlayCbkData;
443     void (*overlayCbk)(PSOutputDev *psOut, void *data);
444     void *overlayCbkData;
445     GooString *(*customCodeCbk)(PSOutputDev *psOut, PSOutCustomCodeLocation loc, int n, void *data);
446     void *customCodeCbkData;
447 
448     PDFDoc *doc;
449     XRef *xref; // the xref table for this PDF file
450 
451     Ref *fontIDs; // list of object IDs of all used fonts
452     int fontIDLen; // number of entries in fontIDs array
453     int fontIDSize; // size of fontIDs array
454     std::set<int> resourceIDs; // list of object IDs of objects containing Resources we've already set up
455     std::unordered_set<std::string> fontNames; // all used font names
456     std::unordered_map<std::string, int> perFontMaxValidGlyph; // max valid glyph of each font
457     PST1FontName *t1FontNames; // font names for Type 1/1C fonts
458     int t1FontNameLen; // number of entries in t1FontNames array
459     int t1FontNameSize; // size of t1FontNames array
460     PSFont8Info *font8Info; // info for 8-bit fonts
461     int font8InfoLen; // number of entries in font8Info array
462     int font8InfoSize; // size of font8Info array
463     PSFont16Enc *font16Enc; // encodings for substitute 16-bit fonts
464     int font16EncLen; // number of entries in font16Enc array
465     int font16EncSize; // size of font16Enc array
466     Ref *imgIDs; // list of image IDs for in-memory images
467     int imgIDLen; // number of entries in imgIDs array
468     int imgIDSize; // size of imgIDs array
469     Ref *formIDs; // list of IDs for predefined forms
470     int formIDLen; // number of entries in formIDs array
471     int formIDSize; // size of formIDs array
472     int numSaves; // current number of gsaves
473     int numTilingPatterns; // current number of nested tiling patterns
474     int nextFunc; // next unique number to use for a function
475 
476     std::vector<PSOutPaperSize *> *paperSizes; // list of used paper sizes, if paperMatch
477                                                //   is true
478     std::map<int, int> pagePaperSize; // page num to paperSize entry mapping
479     double tx0, ty0; // global translation
480     double xScale0, yScale0; // global scaling
481     int rotate0; // rotation angle (0, 90, 180, 270)
482     double clipLLX0, clipLLY0, clipURX0, clipURY0;
483     double tx, ty; // global translation for current page
484     double xScale, yScale; // global scaling for current page
485     int rotate; // rotation angle for current page
486     double epsX1, epsY1, // EPS bounding box (unrotated)
487             epsX2, epsY2;
488 
489     GooString *embFontList; // resource comments for embedded fonts
490 
491     int processColors; // used process colors
492     PSOutCustomColor // used custom colors
493             *customColors;
494 
495     bool haveTextClip; // set if text has been drawn with a
496                        //   clipping render mode
497 
498     bool inType3Char; // inside a Type 3 CharProc
499     bool inUncoloredPattern; // inside a uncolored pattern (PaintType = 2)
500     GooString *t3String; // Type 3 content string
501     double t3WX, t3WY, // Type 3 character parameters
502             t3LLX, t3LLY, t3URX, t3URY;
503     bool t3FillColorOnly; // operators should only use the fill color
504     bool t3Cacheable; // cleared if char is not cacheable
505     bool t3NeedsRestore; // set if a 'q' operator was issued
506     PSForceRasterize forceRasterize; // controls the rasterization of pages into images
507     bool displayText; // displayText
508     bool psCenter; // center pages on the paper
509     bool psExpandSmaller = false; // expand smaller pages to fill paper
510     bool psShrinkLarger = true; // shrink larger pages to fit paper
511     bool overprintPreview = false; // enable overprint preview
512     bool rasterAntialias; // antialias on rasterize
513     bool uncompressPreloadedImages;
514     double rasterResolution; // PostScript rasterization resolution (dpi)
515     bool embedType1; // embed Type 1 fonts?
516     bool embedTrueType; // embed TrueType fonts?
517     bool embedCIDPostScript; // embed CID PostScript fonts?
518     bool embedCIDTrueType; // embed CID TrueType fonts?
519     bool fontPassthrough; // pass all fonts through as-is?
520     bool optimizeColorSpace; // false to keep gray RGB images in their original color space
521                              // true to optimize gray images to DeviceGray color space
522     bool passLevel1CustomColor; // false to convert all custom colors to CMYK
523                                 // true to pass custom colors
524                                 // has effect only when doing a level1sep
525     bool preloadImagesForms; // preload PostScript images and forms into
526                              //   memory
527     bool generateOPI; // generate PostScript OPI comments?
528     bool useASCIIHex; // use ASCIIHex instead of ASCII85?
529     bool useBinary; // use binary instead of hex
530     bool enableLZW; // enable LZW compression
531     bool enableFlate; // enable Flate compression
532 
533     SplashColorMode processColorFormat;
534     bool processColorFormatSpecified;
535 
536     std::unordered_set<std::string> iccEmitted; // contains ICCBased CSAs that have been emitted
537 
538 #ifdef OPI_SUPPORT
539     int opi13Nest; // nesting level of OPI 1.3 objects
540     int opi20Nest; // nesting level of OPI 2.0 objects
541 #endif
542 
543     bool ok; // set up ok?
544     std::set<int> patternsBeingTiled; // the patterns that are being tiled
545 
546     friend class WinPDFPrinter;
547 };
548 
549 #endif
550