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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
76 lines
2.6 KiB
C
76 lines
2.6 KiB
C
/*
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* xref and object / stream api
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*/
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typedef struct pdf_xrefentry_s pdf_xrefentry;
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typedef struct pdf_xref_s pdf_xref;
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struct pdf_xref_s
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{
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fz_stream *file;
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float version;
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int startxref;
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pdf_crypt *crypt;
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fz_obj *trailer; /* TODO split this into root/info/encrypt/id */
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fz_obj *root; /* resolved catalog dict */
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fz_obj *info; /* resolved info dict */
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fz_obj *dests; /* flattened dests nametree */
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int len;
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int cap;
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pdf_xrefentry *table;
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struct pdf_store_s *store;
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struct pdf_pagetree_s *pages;
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struct pdf_outline_s *outlines;
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};
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struct pdf_xrefentry_s
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{
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unsigned int ofs; /* file offset / objstm object number */
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unsigned short gen; /* generation / objstm index */
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char type; /* 0=unset (f)ree i(n)use (o)bjstm (d)elete (a)dd */
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char mark; /* for garbage collection etc */
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fz_buffer *stmbuf; /* in-memory stream */
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int stmofs; /* on-disk stream */
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fz_obj *obj; /* stored/cached object */
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};
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fz_error *pdf_newxref(pdf_xref **);
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fz_error *pdf_repairxref(pdf_xref *, char *filename);
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fz_error *pdf_loadxref(pdf_xref *, char *filename);
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fz_error *pdf_initxref(pdf_xref *);
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fz_error *pdf_openpdf(pdf_xref **, char *filename);
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fz_error *pdf_updatexref(pdf_xref *, char *filename);
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fz_error *pdf_savexref(pdf_xref *, char *filename, pdf_crypt *encrypt);
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void pdf_debugxref(pdf_xref *);
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void pdf_flushxref(pdf_xref *, int force);
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void pdf_closexref(pdf_xref *);
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fz_error *pdf_allocobject(pdf_xref *, int *oidp, int *genp);
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fz_error *pdf_deleteobject(pdf_xref *, int oid, int gen);
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fz_error *pdf_updateobject(pdf_xref *, int oid, int gen, fz_obj *obj);
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fz_error *pdf_updatestream(pdf_xref *, int oid, int gen, fz_buffer *stm);
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fz_error *pdf_cacheobject(pdf_xref *, int oid, int gen);
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fz_error *pdf_loadobject(fz_obj **objp, pdf_xref *, int oid, int gen);
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fz_error *pdf_loadindirect(fz_obj **objp, pdf_xref *, fz_obj *ref);
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fz_error *pdf_resolve(fz_obj **reforobj, pdf_xref *);
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int pdf_isstream(pdf_xref *xref, int oid, int gen);
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fz_error *pdf_buildinlinefilter(fz_filter **filterp, fz_obj *stmobj);
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fz_error *pdf_loadrawstream(fz_buffer **bufp, pdf_xref *xref, int oid, int gen);
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fz_error *pdf_loadstream(fz_buffer **bufp, pdf_xref *xref, int oid, int gen);
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fz_error *pdf_openrawstream(fz_stream **stmp, pdf_xref *, int oid, int gen);
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fz_error *pdf_openstream(fz_stream **stmp, pdf_xref *, int oid, int gen);
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fz_error *pdf_garbagecollect(pdf_xref *xref);
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fz_error *pdf_transplant(pdf_xref *dst, pdf_xref *src, fz_obj **newp, fz_obj *old);
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/* private */
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fz_error *pdf_loadobjstm(pdf_xref *xref, int oid, int gen, char *buf, int cap);
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fz_error *pdf_decryptxref(pdf_xref *xref);
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