/usr/include/mupdf/fitz/font.h is in libmupdf-dev 1.7a-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 | #ifndef MUPDF_FITZ_FONT_H
#define MUPDF_FITZ_FONT_H
#include "mupdf/fitz/system.h"
#include "mupdf/fitz/context.h"
#include "mupdf/fitz/math.h"
#include "mupdf/fitz/buffer.h"
/*
An abstract font handle. Currently there are no public API functions
for handling these.
*/
typedef struct fz_font_s fz_font;
/*
* Fonts come in two variants:
* Regular fonts are handled by FreeType.
* Type 3 fonts have callbacks to the interpreter.
*/
char *ft_error_string(int err);
/* forward declaration for circular dependency */
struct fz_device_s;
struct fz_display_list_s;
struct fz_font_s
{
int refs;
char name[32];
void *ft_face; /* has an FT_Face if used */
int ft_substitute; /* ... substitute metrics */
int ft_bold; /* ... synthesize bold */
int ft_italic; /* ... synthesize italic */
int ft_hint; /* ... force hinting for DynaLab fonts */
/* origin of font data */
fz_buffer *ft_buffer;
char *ft_filepath; /* kept for downstream consumers (such as SumatraPDF) */
fz_matrix t3matrix;
void *t3resources;
fz_buffer **t3procs; /* has 256 entries if used */
struct fz_display_list_s **t3lists; /* has 256 entries if used */
float *t3widths; /* has 256 entries if used */
unsigned short *t3flags; /* has 256 entries if used */
void *t3doc; /* a pdf_document for the callback */
void (*t3run)(fz_context *ctx, void *doc, void *resources, fz_buffer *contents, struct fz_device_s *dev, const fz_matrix *ctm, void *gstate, int nestedDepth);
void (*t3freeres)(fz_context *ctx, void *doc, void *resources);
fz_rect bbox; /* font bbox is used only for t3 fonts */
/* per glyph bounding box cache */
int use_glyph_bbox;
int bbox_count;
fz_rect *bbox_table;
/* substitute metrics */
int width_count;
int *width_table; /* in 1000 units */
};
/* common CJK font collections */
enum { FZ_ADOBE_CNS_1, FZ_ADOBE_GB_1, FZ_ADOBE_JAPAN_1, FZ_ADOBE_KOREA_1 };
void fz_new_font_context(fz_context *ctx);
fz_font_context *fz_keep_font_context(fz_context *ctx);
void fz_drop_font_context(fz_context *ctx);
typedef fz_font *(*fz_load_system_font_func)(fz_context *ctx, const char *name, int bold, int italic, int needs_exact_metrics);
typedef fz_font *(*fz_load_system_cjk_font_func)(fz_context *ctx, const char *name, int ros, int serif);
void fz_install_load_system_font_funcs(fz_context *ctx, fz_load_system_font_func f, fz_load_system_cjk_font_func f_cjk);
/* fz_load_*_font returns NULL if no font could be loaded (also on error) */
fz_font *fz_load_system_font(fz_context *ctx, const char *name, int bold, int italic, int needs_exact_metrics);
fz_font *fz_load_system_cjk_font(fz_context *ctx, const char *name, int ros, int serif);
fz_font *fz_new_type3_font(fz_context *ctx, const char *name, const fz_matrix *matrix);
fz_font *fz_new_font_from_memory(fz_context *ctx, const char *name, unsigned char *data, int len, int index, int use_glyph_bbox);
fz_font *fz_new_font_from_buffer(fz_context *ctx, const char *name, fz_buffer *buffer, int index, int use_glyph_bbox);
fz_font *fz_new_font_from_file(fz_context *ctx, const char *name, const char *path, int index, int use_glyph_bbox);
fz_font *fz_keep_font(fz_context *ctx, fz_font *font);
void fz_drop_font(fz_context *ctx, fz_font *font);
void fz_set_font_bbox(fz_context *ctx, fz_font *font, float xmin, float ymin, float xmax, float ymax);
fz_rect *fz_bound_glyph(fz_context *ctx, fz_font *font, int gid, const fz_matrix *trm, fz_rect *r);
int fz_glyph_cacheable(fz_context *ctx, fz_font *font, int gid);
void fz_run_t3_glyph(fz_context *ctx, fz_font *font, int gid, const fz_matrix *trm, struct fz_device_s *dev);
void fz_decouple_type3_font(fz_context *ctx, fz_font *font, void *t3doc);
float fz_advance_glyph(fz_context *ctx, fz_font *font, int glyph);
int fz_encode_character(fz_context *ctx, fz_font *font, int unicode);
#ifndef NDEBUG
void fz_print_font(fz_context *ctx, FILE *out, fz_font *font);
#endif
#endif
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