mirror of
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435a566751
* sumatrapdf - vendor import * everything compiles (libjpeg, poppler, fitz, sumatrapdf) * does NOT link (remove the comment tags in the parent directory.rbuild file (rosapps dir) to build it) svn path=/trunk/; revision=29295
243 lines
6.5 KiB
C
243 lines
6.5 KiB
C
/*
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* Resource store
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*/
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typedef struct pdf_store_s pdf_store;
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typedef enum pdf_itemkind_e
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{
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PDF_KCOLORSPACE,
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PDF_KFUNCTION,
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PDF_KXOBJECT,
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PDF_KIMAGE,
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PDF_KPATTERN,
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PDF_KSHADE,
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PDF_KCMAP,
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PDF_KFONT
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} pdf_itemkind;
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fz_error *pdf_newstore(pdf_store **storep);
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void pdf_emptystore(pdf_store *store);
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void pdf_dropstore(pdf_store *store);
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fz_error *pdf_storeitem(pdf_store *store, pdf_itemkind tag, fz_obj *key, void *val);
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void *pdf_finditem(pdf_store *store, pdf_itemkind tag, fz_obj *key);
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fz_error *pdf_loadresources(fz_obj **rdb, pdf_xref *xref, fz_obj *orig);
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/*
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* Functions
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*/
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typedef struct pdf_function_s pdf_function;
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fz_error *pdf_loadfunction(pdf_function **func, pdf_xref *xref, fz_obj *ref);
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fz_error *pdf_evalfunction(pdf_function *func, float *in, int inlen, float *out, int outlen);
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pdf_function *pdf_keepfunction(pdf_function *func);
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void pdf_dropfunction(pdf_function *func);
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/*
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* ColorSpace
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*/
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typedef struct pdf_indexed_s pdf_indexed;
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struct pdf_indexed_s
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{
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fz_colorspace super; /* hmmm... */
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fz_colorspace *base;
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int high;
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unsigned char *lookup;
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};
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extern fz_colorspace *pdf_devicegray;
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extern fz_colorspace *pdf_devicergb;
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extern fz_colorspace *pdf_devicecmyk;
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extern fz_colorspace *pdf_devicelab;
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extern fz_colorspace *pdf_devicepattern;
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void pdf_convcolor(fz_colorspace *ss, float *sv, fz_colorspace *ds, float *dv);
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void pdf_convpixmap(fz_colorspace *ss, fz_pixmap *sp, fz_colorspace *ds, fz_pixmap *dp);
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fz_error *pdf_loadcolorspace(fz_colorspace **csp, pdf_xref *xref, fz_obj *obj);
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/*
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* Pattern
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*/
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typedef struct pdf_pattern_s pdf_pattern;
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struct pdf_pattern_s
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{
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int refs;
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int ismask;
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float xstep;
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float ystep;
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fz_matrix matrix;
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fz_rect bbox;
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fz_tree *tree;
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};
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fz_error *pdf_loadpattern(pdf_pattern **patp, pdf_xref *xref, fz_obj *obj, fz_obj *ref);
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pdf_pattern *pdf_keeppattern(pdf_pattern *pat);
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void pdf_droppattern(pdf_pattern *pat);
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/*
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* Shading
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*/
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void pdf_setmeshvalue(float *mesh, int i, float x, float y, float t);
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fz_error *pdf_loadshadefunction(fz_shade *shade, pdf_xref *xref, fz_obj *dict, float t0, float t1);
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fz_error *pdf_loadtype1shade(fz_shade *, pdf_xref *, fz_obj *dict, fz_obj *ref);
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fz_error *pdf_loadtype2shade(fz_shade *, pdf_xref *, fz_obj *dict, fz_obj *ref);
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fz_error *pdf_loadtype3shade(fz_shade *, pdf_xref *, fz_obj *dict, fz_obj *ref);
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fz_error *pdf_loadtype4shade(fz_shade *, pdf_xref *, fz_obj *dict, fz_obj *ref);
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fz_error *pdf_loadtype5shade(fz_shade *, pdf_xref *, fz_obj *dict, fz_obj *ref);
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fz_error *pdf_loadtype6shade(fz_shade *, pdf_xref *, fz_obj *dict, fz_obj *ref);
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fz_error *pdf_loadtype7shade(fz_shade *, pdf_xref *, fz_obj *dict, fz_obj *ref);
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fz_error *pdf_loadshade(fz_shade **shadep, pdf_xref *xref, fz_obj *obj, fz_obj *ref);
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/*
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* XObject
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*/
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typedef struct pdf_xobject_s pdf_xobject;
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struct pdf_xobject_s
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{
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int refs;
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fz_matrix matrix;
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fz_rect bbox;
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fz_obj *resources;
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fz_buffer *contents;
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};
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fz_error *pdf_loadxobject(pdf_xobject **xobjp, pdf_xref *xref, fz_obj *obj, fz_obj *ref);
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pdf_xobject *pdf_keepxobject(pdf_xobject *xobj);
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void pdf_dropxobject(pdf_xobject *xobj);
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/*
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* Image
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*/
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typedef struct pdf_image_s pdf_image;
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struct pdf_image_s
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{
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fz_image super;
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fz_image *mask; /* explicit mask with subimage */
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int usecolorkey; /* explicit color-keyed masking */
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int colorkey[FZ_MAXCOLORS * 2];
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pdf_indexed *indexed;
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float decode[32];
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int bpc;
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int stride;
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fz_buffer *samples;
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};
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fz_error *pdf_loadinlineimage(pdf_image **imgp, pdf_xref *xref, fz_obj *rdb, fz_obj *dict, fz_stream *file);
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fz_error *pdf_loadimage(pdf_image **imgp, pdf_xref *xref, fz_obj *obj, fz_obj *ref);
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fz_error *pdf_loadtile(fz_image *image, fz_pixmap *tile);
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/*
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* CMap
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*/
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typedef struct pdf_cmap_s pdf_cmap;
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fz_error *pdf_newcmap(pdf_cmap **cmapp);
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pdf_cmap *pdf_keepcmap(pdf_cmap *cmap);
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void pdf_dropcmap(pdf_cmap *cmap);
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void pdf_debugcmap(pdf_cmap *cmap);
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int pdf_getwmode(pdf_cmap *cmap);
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pdf_cmap *fz_getusecmap(pdf_cmap *cmap);
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void fz_setwmode(pdf_cmap *cmap, int wmode);
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void fz_setusecmap(pdf_cmap *cmap, pdf_cmap *usecmap);
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fz_error *pdf_addcodespace(pdf_cmap *cmap, unsigned lo, unsigned hi, int n);
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fz_error *pdf_maprangetotable(pdf_cmap *cmap, int low, int *map, int len);
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fz_error *pdf_maprangetorange(pdf_cmap *cmap, int srclo, int srchi, int dstlo);
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fz_error *pdf_maponetomany(pdf_cmap *cmap, int one, int *many, int len);
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fz_error *pdf_sortcmap(pdf_cmap *cmap);
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int pdf_lookupcmap(pdf_cmap *cmap, int cpt);
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unsigned char *pdf_decodecmap(pdf_cmap *cmap, unsigned char *s, int *cpt);
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fz_error *pdf_parsecmap(pdf_cmap **cmapp, fz_stream *file);
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fz_error *pdf_loadembeddedcmap(pdf_cmap **cmapp, pdf_xref *xref, fz_obj *ref);
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fz_error *pdf_loadsystemcmap(pdf_cmap **cmapp, char *name);
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fz_error *pdf_newidentitycmap(pdf_cmap **cmapp, int wmode, int bytes);
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/*
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* Font
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*/
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void pdf_loadencoding(char **estrings, char *encoding);
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int pdf_lookupagl(char *name, int *ucsbuf, int ucscap);
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extern const unsigned short pdf_docencoding[256];
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extern const char * const pdf_macroman[256];
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extern const char * const pdf_macexpert[256];
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extern const char * const pdf_winansi[256];
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extern const char * const pdf_standard[256];
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extern const char * const pdf_expert[256];
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extern const char * const pdf_symbol[256];
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extern const char * const pdf_zapfdingbats[256];
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typedef struct pdf_font_s pdf_font;
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struct pdf_font_s
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{
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fz_font super;
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/* FontDescriptor */
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int flags;
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float italicangle;
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float ascent;
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float descent;
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float capheight;
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float xheight;
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float missingwidth;
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/* Encoding (CMap) */
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pdf_cmap *encoding;
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pdf_cmap *tottfcmap;
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int ncidtogid;
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unsigned short *cidtogid;
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/* ToUnicode */
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pdf_cmap *tounicode;
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int ncidtoucs;
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unsigned short *cidtoucs;
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/* Freetype */
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int substitute;
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void *ftface;
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char *filename;
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fz_buffer *fontdata;
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/* Type3 data */
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fz_matrix matrix;
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fz_tree *charprocs[256];
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};
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/* unicode.c */
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fz_error *pdf_loadtounicode(pdf_font *font, pdf_xref *xref, char **strings, char *collection, fz_obj *cmapstm);
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/* fontfile.c */
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fz_error *pdf_loadbuiltinfont(pdf_font *font, char *basefont);
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fz_error *pdf_loadembeddedfont(pdf_font *font, pdf_xref *xref, fz_obj *stmref);
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fz_error *pdf_loadsystemfont(pdf_font *font, char *basefont, char *collection);
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fz_error *pdf_loadsubstitutefont(pdf_font *font, int fdflags, char *collection);
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/* type3.c */
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fz_error *pdf_loadtype3font(pdf_font **fontp, pdf_xref *xref, fz_obj *obj, fz_obj *ref);
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/* font.c */
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fz_error *pdf_loadfontdescriptor(pdf_font *font, pdf_xref *xref, fz_obj *desc, char *collection);
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fz_error *pdf_loadfont(pdf_font **fontp, pdf_xref *xref, fz_obj *obj, fz_obj *ref);
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void pdf_dropfont(pdf_font *font);
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