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https://github.com/pocoproject/poco.git
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404 lines
11 KiB
C
404 lines
11 KiB
C
/*
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* << Haru Free PDF Library 2.0.4 >> -- hpdf_fontdef.h
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*
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* Copyright (c) 1999-2006 Takeshi Kanno <takeshi_kanno@est.hi-ho.ne.jp>
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*
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation.
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* It is provided "as is" without express or implied warranty.
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*
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*/
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#ifndef _HPDF_FONTDEF_H
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#define _HPDF_FONTDEF_H
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#include "hpdf_objects.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define HPDF_FONTDEF_SIG_BYTES 0x464F4E54L
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/*------ collection of flags for defining characteristics. ---*/
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#define HPDF_FONT_FIXED_WIDTH 1
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#define HPDF_FONT_SERIF 2
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#define HPDF_FONT_SYMBOLIC 4
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#define HPDF_FONT_SCRIPT 8
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/* Reserved 16 */
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#define HPDF_FONT_STD_CHARSET 32
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#define HPDF_FONT_ITALIC 64
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/* Reserved 128
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Reserved 256
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Reserved 512
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Reserved 1024
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Reserved 2048
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Reserved 4096
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Reserved 8192
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Reserved 16384
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Reserved 32768 */
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#define HPDF_FONT_ALL_CAP 65536
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#define HPDF_FONT_SMALL_CAP 131072
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#define HPDF_FONT_FOURCE_BOLD 262144
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#define HPDF_CID_W_TYPE_FROM_TO 0
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#define HPDF_CID_W_TYPE_FROM_ARRAY 1
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/*-- HPDF_FontDef ---------------------------------------*/
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typedef struct _HPDF_CharData {
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HPDF_INT16 char_cd;
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HPDF_UNICODE unicode;
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HPDF_INT16 width;
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} HPDF_CharData;
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typedef enum _HPDF_FontDefType {
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HPDF_FONTDEF_TYPE_TYPE1,
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HPDF_FONTDEF_TYPE_TRUETYPE,
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HPDF_FONTDEF_TYPE_CID,
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HPDF_FONTDEF_TYPE_UNINITIALIZED,
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HPDF_FONTDEF_TYPE_EOF
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} HPDF_FontDefType;
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typedef struct _HPDF_CID_Width {
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HPDF_UINT16 cid;
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HPDF_INT16 width;
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} HPDF_CID_Width;
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/*----------------------------------------------------------------------------*/
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/*----- HPDF_FontDef ---------------------------------------------------------*/
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typedef struct _HPDF_FontDef_Rec *HPDF_FontDef;
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typedef void (*HPDF_FontDef_FreeFunc) (HPDF_FontDef fontdef);
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typedef void (*HPDF_FontDef_CleanFunc) (HPDF_FontDef fontdef);
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typedef HPDF_STATUS (*HPDF_FontDef_InitFunc) (HPDF_FontDef fontdef);
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typedef struct _HPDF_FontDef_Rec {
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HPDF_UINT32 sig_bytes;
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char base_font[HPDF_LIMIT_MAX_NAME_LEN + 1];
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HPDF_MMgr mmgr;
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HPDF_Error error;
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HPDF_FontDefType type;
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HPDF_FontDef_CleanFunc clean_fn;
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HPDF_FontDef_FreeFunc free_fn;
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HPDF_FontDef_InitFunc init_fn;
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HPDF_INT16 ascent;
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HPDF_INT16 descent;
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HPDF_UINT flags;
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HPDF_Box font_bbox;
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HPDF_INT16 italic_angle;
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HPDF_UINT16 stemv;
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HPDF_INT16 avg_width;
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HPDF_INT16 max_width;
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HPDF_INT16 missing_width;
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HPDF_UINT16 stemh;
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HPDF_UINT16 x_height;
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HPDF_UINT16 cap_height;
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/* the initial value of descriptor entry is NULL.
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* when first font-object besed on the fontdef object is created,
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* the font-descriptor object is created and descriptor entry is set.
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*/
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HPDF_Dict descriptor;
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HPDF_Stream data;
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HPDF_BOOL valid;
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void *attr;
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} HPDF_FontDef_Rec;
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void
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HPDF_FontDef_Free (HPDF_FontDef fontdef);
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void
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HPDF_FontDef_Cleanup (HPDF_FontDef fontdef);
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HPDF_BOOL
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HPDF_FontDef_Validate (HPDF_FontDef fontdef);
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/*----------------------------------------------------------------------------*/
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/*----- HPDF_Type1FontDef ---------------------------------------------------*/
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typedef struct _HPDF_Type1FontDefAttrRec *HPDF_Type1FontDefAttr;
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typedef struct _HPDF_Type1FontDefAttrRec {
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HPDF_BYTE first_char; /* Required */
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HPDF_BYTE last_char; /* Required */
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HPDF_CharData *widths; /* Required */
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HPDF_UINT widths_count;
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HPDF_INT16 leading;
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char *char_set;
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char encoding_scheme[HPDF_LIMIT_MAX_NAME_LEN + 1];
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HPDF_UINT length1;
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HPDF_UINT length2;
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HPDF_UINT length3;
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HPDF_BOOL is_base14font;
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HPDF_BOOL is_fixed_pitch;
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HPDF_Stream font_data;
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} HPDF_Type1FontDefAttr_Rec;
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HPDF_FontDef
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HPDF_Type1FontDef_New (HPDF_MMgr mmgr);
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HPDF_FontDef
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HPDF_Type1FontDef_Load (HPDF_MMgr mmgr,
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HPDF_Stream afm,
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HPDF_Stream font_data);
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HPDF_FontDef
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HPDF_Type1FontDef_Duplicate (HPDF_MMgr mmgr,
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HPDF_FontDef src);
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HPDF_STATUS
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HPDF_Type1FontDef_SetWidths (HPDF_FontDef fontdef,
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const HPDF_CharData *widths);
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HPDF_INT16
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HPDF_Type1FontDef_GetWidthByName (HPDF_FontDef fontdef,
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const char *gryph_name);
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HPDF_INT16
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HPDF_Type1FontDef_GetWidth (HPDF_FontDef fontdef,
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HPDF_UNICODE unicode);
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HPDF_FontDef
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HPDF_Base14FontDef_New (HPDF_MMgr mmgr,
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const char *font_name);
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/*----------------------------------------------------------------------------*/
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/*----- HPDF_TTFontDef ------------------------------------------------------*/
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#define HPDF_TTF_FONT_TAG_LEN 6
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typedef struct _HPDF_TTF_Table {
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char tag[4];
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HPDF_UINT32 check_sum;
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HPDF_UINT32 offset;
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HPDF_UINT32 length;
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} HPDF_TTFTable;
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typedef struct _HPDF_TTF_OffsetTbl {
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HPDF_UINT32 sfnt_version;
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HPDF_UINT16 num_tables;
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HPDF_UINT16 search_range;
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HPDF_UINT16 entry_selector;
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HPDF_UINT16 range_shift;
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HPDF_TTFTable *table;
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} HPDF_TTF_OffsetTbl;
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typedef struct _HPDF_TTF_CmapRange {
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HPDF_UINT16 format;
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HPDF_UINT16 length;
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HPDF_UINT16 language;
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HPDF_UINT16 seg_count_x2;
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HPDF_UINT16 search_range;
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HPDF_UINT16 entry_selector;
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HPDF_UINT16 range_shift;
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HPDF_UINT16 *end_count;
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HPDF_UINT16 reserved_pad;
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HPDF_UINT16 *start_count;
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HPDF_INT16 *id_delta;
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HPDF_UINT16 *id_range_offset;
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HPDF_UINT16 *glyph_id_array;
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HPDF_UINT glyph_id_array_count;
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} HPDF_TTF_CmapRange;
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typedef struct _HPDF_TTF_GryphOffsets {
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HPDF_UINT32 base_offset;
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HPDF_UINT32 *offsets;
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HPDF_BYTE *flgs; /* 0: unused, 1: used */
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} HPDF_TTF_GryphOffsets;
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typedef struct _HPDF_TTF_LongHorMetric {
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HPDF_UINT16 advance_width;
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HPDF_INT16 lsb;
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} HPDF_TTF_LongHorMetric;
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typedef struct _HPDF_TTF_FontHeader {
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HPDF_BYTE version_number[4];
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HPDF_UINT32 font_revision;
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HPDF_UINT32 check_sum_adjustment;
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HPDF_UINT32 magic_number;
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HPDF_UINT16 flags;
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HPDF_UINT16 units_per_em;
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HPDF_BYTE created[8];
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HPDF_BYTE modified[8];
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HPDF_INT16 x_min;
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HPDF_INT16 y_min;
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HPDF_INT16 x_max;
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HPDF_INT16 y_max;
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HPDF_UINT16 mac_style;
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HPDF_UINT16 lowest_rec_ppem;
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HPDF_INT16 font_direction_hint;
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HPDF_INT16 index_to_loc_format;
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HPDF_INT16 glyph_data_format;
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} HPDF_TTF_FontHeader;
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typedef struct _HPDF_TTF_NameRecord {
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HPDF_UINT16 platform_id;
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HPDF_UINT16 encoding_id;
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HPDF_UINT16 language_id;
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HPDF_UINT16 name_id;
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HPDF_UINT16 length;
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HPDF_UINT16 offset;
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} HPDF_TTF_NameRecord;
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typedef struct _HPDF_TTF_NamingTable {
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HPDF_UINT16 format;
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HPDF_UINT16 count;
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HPDF_UINT16 string_offset;
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HPDF_TTF_NameRecord *name_records;
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} HPDF_TTF_NamingTable;
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typedef struct _HPDF_TTFontDefAttr_Rec *HPDF_TTFontDefAttr;
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typedef struct _HPDF_TTFontDefAttr_Rec {
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char base_font[HPDF_LIMIT_MAX_NAME_LEN + 1];
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HPDF_BYTE first_char;
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HPDF_BYTE last_char;
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char *char_set;
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char tag_name[HPDF_TTF_FONT_TAG_LEN + 1];
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char tag_name2[(HPDF_TTF_FONT_TAG_LEN + 1) * 2];
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HPDF_TTF_FontHeader header;
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HPDF_TTF_GryphOffsets glyph_tbl;
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HPDF_UINT16 num_glyphs;
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HPDF_TTF_NamingTable name_tbl;
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HPDF_TTF_LongHorMetric *h_metric;
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HPDF_UINT16 num_h_metric;
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HPDF_TTF_OffsetTbl offset_tbl;
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HPDF_TTF_CmapRange cmap;
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HPDF_UINT16 fs_type;
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HPDF_BYTE panose[12];
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HPDF_UINT32 code_page_range1;
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HPDF_UINT32 code_page_range2;
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HPDF_UINT length1;
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HPDF_BOOL embedding;
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HPDF_BOOL is_cidfont;
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HPDF_Stream stream;
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} HPDF_TTFontDefAttr_Rec;
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HPDF_FontDef
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HPDF_TTFontDef_New (HPDF_MMgr mmgr);
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HPDF_FontDef
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HPDF_TTFontDef_Load (HPDF_MMgr mmgr,
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HPDF_Stream stream,
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HPDF_BOOL embedding);
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HPDF_FontDef
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HPDF_TTFontDef_Load2 (HPDF_MMgr mmgr,
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HPDF_Stream stream,
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HPDF_UINT index,
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HPDF_BOOL embedding);
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HPDF_UINT16
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HPDF_TTFontDef_GetGlyphid (HPDF_FontDef fontdef,
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HPDF_UINT16 unicode);
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HPDF_INT16
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HPDF_TTFontDef_GetCharWidth (HPDF_FontDef fontdef,
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HPDF_UINT16 unicode);
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HPDF_INT16
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HPDF_TTFontDef_GetGidWidth (HPDF_FontDef fontdef,
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HPDF_UINT16 gid);
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HPDF_STATUS
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HPDF_TTFontDef_SaveFontData (HPDF_FontDef fontdef,
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HPDF_Stream stream);
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HPDF_Box
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HPDF_TTFontDef_GetCharBBox (HPDF_FontDef fontdef,
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HPDF_UINT16 unicode);
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void
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HPDF_TTFontDef_SetTagName (HPDF_FontDef fontdef,
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char *tag);
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/*----------------------------------------------------------------------------*/
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/*----- HPDF_CIDFontDef -----------------------------------------------------*/
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typedef struct _HPDF_CIDFontDefAttrRec *HPDF_CIDFontDefAttr;
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typedef struct _HPDF_CIDFontDefAttrRec {
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HPDF_List widths;
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HPDF_INT16 DW;
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HPDF_INT16 DW2[2];
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} HPDF_CIDFontDefAttr_Rec;
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HPDF_FontDef
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HPDF_CIDFontDef_New (HPDF_MMgr mmgr,
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char *name,
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HPDF_FontDef_InitFunc init_fn);
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HPDF_STATUS
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HPDF_CIDFontDef_AddWidth (HPDF_FontDef fontdef,
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const HPDF_CID_Width *widths);
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HPDF_INT16
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HPDF_CIDFontDef_GetCIDWidth (HPDF_FontDef fontdef,
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HPDF_UINT16 cid);
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HPDF_STATUS
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HPDF_CIDFontDef_ChangeStyle (HPDF_FontDef fontdef,
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HPDF_BOOL bold,
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HPDF_BOOL italic);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* _HPDF_FONTDEF_H */
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