/*
* << Haru Free PDF Library >> -- hpdf_encoder.h
*
* URL: http://libharu.org
*
* Copyright (c) 1999-2006 Takeshi Kanno <takeshi_kanno@est.hi-ho.ne.jp>
* Copyright (c) 2007-2009 Antony Dovgal <tony@daylessday.org>
*
* Permission to use, copy, modify, distribute and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation.
* It is provided "as is" without express or implied warranty.
*
*/
#ifndef _HPDF_ENCODER_H
#define _HPDF_ENCODER_H
#include "hpdf_consts.h"
#include "hpdf_streams.h"
#ifdef __cplusplus
extern "C" {
#endif
/*-- HPDF_Encoder ---------------------------------------*/
#define HPDF_ENCODER_SIG_BYTES 0x454E4344L
/*----------------------------------------------------------------------------*/
/*------ predefined font encodings -------------------------------------------*/
#define HPDF_ENCODING_FONT_SPECIFIC "FontSpecific"
#define HPDF_ENCODING_STANDARD "StandardEncoding"
#define HPDF_ENCODING_MAC_ROMAN "MacRomanEncoding"
#define HPDF_ENCODING_WIN_ANSI "WinAnsiEncoding"
#define HPDF_ENCODING_ISO8859_2 "ISO8859-2"
#define HPDF_ENCODING_ISO8859_3 "ISO8859-3"
#define HPDF_ENCODING_ISO8859_4 "ISO8859-4"
#define HPDF_ENCODING_ISO8859_5 "ISO8859-5"
#define HPDF_ENCODING_ISO8859_6 "ISO8859-6"
#define HPDF_ENCODING_ISO8859_7 "ISO8859-7"
#define HPDF_ENCODING_ISO8859_8 "ISO8859-8"
#define HPDF_ENCODING_ISO8859_9 "ISO8859-9"
#define HPDF_ENCODING_ISO8859_10 "ISO8859-10"
#define HPDF_ENCODING_ISO8859_11 "ISO8859-11"
#define HPDF_ENCODING_ISO8859_13 "ISO8859-13"
#define HPDF_ENCODING_ISO8859_14 "ISO8859-14"
#define HPDF_ENCODING_ISO8859_15 "ISO8859-15"
#define HPDF_ENCODING_ISO8859_16 "ISO8859-16"
#define HPDF_ENCODING_CP1250 "CP1250"
#define HPDF_ENCODING_CP1251 "CP1251"
#define HPDF_ENCODING_CP1252 "CP1252"
#define HPDF_ENCODING_CP1253 "CP1253"
#define HPDF_ENCODING_CP1254 "CP1254"
#define HPDF_ENCODING_CP1255 "CP1255"
#define HPDF_ENCODING_CP1256 "CP1256"
#define HPDF_ENCODING_CP1257 "CP1257"
#define HPDF_ENCODING_CP1258 "CP1258"
#define HPDF_ENCODING_KOI8_R "KOI8-R"
/*----------------------------------------------------------------------------*/
/*----- definition for font encoding -----------------------------------------*/
#define char_NOTDEF ".notdef"
typedef enum _HPDF_EncodingType {
HPDF_STANDARD_ENCODING = 0,
HPDF_MAC_ROMAN_ENCODING,
HPDF_WIN_ANSI_ENCODING,
HPDF_FONT_SPECIFIC,
HPDF_ENCODING_EOF
} HPDF_EncodingType;
typedef struct _HPDF_ParseText_Rec {
const HPDF_BYTE *text;
HPDF_UINT index;
HPDF_UINT len;
HPDF_ByteType byte_type;
} HPDF_ParseText_Rec;
typedef struct _HPDF_Encoder_Rec *HPDF_Encoder;
typedef HPDF_ByteType
(*HPDF_Encoder_ByteType_Func) (HPDF_Encoder encoder,
HPDF_ParseText_Rec *state);
typedef HPDF_UNICODE
(*HPDF_Encoder_ToUnicode_Func) (HPDF_Encoder encoder,
HPDF_UINT16 code);
typedef char *
(*HPDF_Encoder_EncodeText_Func) (HPDF_Encoder encoder,
const char *text,
HPDF_UINT len,
HPDF_UINT *encoded_length);
typedef HPDF_STATUS
(*HPDF_Encoder_Write_Func) (HPDF_Encoder encoder,
HPDF_Stream out);
typedef HPDF_STATUS
(*HPDF_Encoder_Init_Func) (HPDF_Encoder encoder);
typedef void
(*HPDF_Encoder_Free_Func) (HPDF_Encoder encoder);
typedef struct _HPDF_Encoder_Rec {
HPDF_UINT32 sig_bytes;
char name[HPDF_LIMIT_MAX_NAME_LEN + 1];
HPDF_MMgr mmgr;
HPDF_Error error;
HPDF_EncoderType type;
HPDF_Encoder_ByteType_Func byte_type_fn;
HPDF_Encoder_ToUnicode_Func to_unicode_fn;
HPDF_Encoder_EncodeText_Func encode_text_fn;
HPDF_Encoder_Write_Func write_fn;
HPDF_Encoder_Free_Func free_fn;
HPDF_Encoder_Init_Func init_fn;
/*
char lang_code[3];
char country_code[3];
*/
void *attr;
} HPDF_Encoder_Rec;
typedef enum _HPDF_BaseEncodings {
HPDF_BASE_ENCODING_STANDARD,
HPDF_BASE_ENCODING_WIN_ANSI,
HPDF_BASE_ENCODING_MAC_ROMAN,
HPDF_BASE_ENCODING_FONT_SPECIFIC,
HPDF_BASE_ENCODING_EOF
} HPDF_BaseEncodings;
HPDF_STATUS
HPDF_Encoder_Validate (HPDF_Encoder encoder);
void
HPDF_Encoder_SetParseText (HPDF_Encoder encoder,
HPDF_ParseText_Rec *state,
const HPDF_BYTE *text,
HPDF_UINT len);
HPDF_ByteType
HPDF_Encoder_ByteType (HPDF_Encoder encoder,
HPDF_ParseText_Rec *state);
HPDF_UNICODE
HPDF_Encoder_ToUnicode (HPDF_Encoder encoder,
HPDF_UINT16 code);
void
HPDF_Encoder_Free (HPDF_Encoder encoder);
/*-- HPDF_BasicEncoder ----------------------------------*/
typedef struct _HPDF_BasicEncoderAttr_Rec *HPDF_BasicEncoderAttr;
typedef struct _HPDF_BasicEncoderAttr_Rec {
char base_encoding[HPDF_LIMIT_MAX_NAME_LEN + 1];
HPDF_BYTE first_char;
HPDF_BYTE last_char;
HPDF_UNICODE unicode_map[256];
HPDF_BOOL has_differences;
HPDF_BYTE differences[256];
} HPDF_BasicEncoderAttr_Rec;
HPDF_Encoder
HPDF_BasicEncoder_New (HPDF_MMgr mmgr,
const char *encoding_name);
void
HPDF_BasicEncoder_Free (HPDF_Encoder encoder);
HPDF_STATUS
HPDF_BasicEncoder_Write (HPDF_Encoder encoder,
HPDF_Stream out);
HPDF_UNICODE
HPDF_BasicEncoder_ToUnicode (HPDF_Encoder encoder,
HPDF_UINT16 code);
/*-- HPDF_CMapEncoder ----------------------------------*/
typedef HPDF_BOOL
(*HPDF_CMapEncoder_ByteType_Func) (HPDF_Encoder encoder,
HPDF_BYTE b);
typedef struct _HPDF_CidRange_Rec {
HPDF_UINT16 from;
HPDF_UINT16 to;
HPDF_UINT16 cid;
} HPDF_CidRange_Rec;
typedef struct _HPDF_UnicodeMap_Rec {
HPDF_UINT16 code;
HPDF_UINT16 unicode;
} HPDF_UnicodeMap_Rec;
typedef struct _HPDF_CMapEncoderAttr_Rec *HPDF_CMapEncoderAttr;
typedef struct _HPDF_CMapEncoderAttr_Rec {
HPDF_UNICODE unicode_map[256][256];
HPDF_UINT16 cid_map[256][256];
HPDF_UINT16 jww_line_head[HPDF_MAX_JWW_NUM];
HPDF_List cmap_range;
HPDF_List notdef_range;
HPDF_List code_space_range;
HPDF_WritingMode writing_mode;
char registry[HPDF_LIMIT_MAX_NAME_LEN + 1];
char ordering[HPDF_LIMIT_MAX_NAME_LEN + 1];
HPDF_INT suppliment;
HPDF_CMapEncoder_ByteType_Func is_lead_byte_fn;
HPDF_CMapEncoder_ByteType_Func is_trial_byte_fn;
HPDF_INT uid_offset;
HPDF_UINT xuid[3];
} HPDF_CMapEncoderAttr_Rec;
HPDF_Encoder
HPDF_CMapEncoder_New (HPDF_MMgr mmgr,
char *name,
HPDF_Encoder_Init_Func init_fn);
HPDF_STATUS
HPDF_CMapEncoder_InitAttr (HPDF_Encoder encoder);
void
HPDF_CMapEncoder_Free (HPDF_Encoder encoder);
HPDF_STATUS
HPDF_CMapEncoder_Write (HPDF_Encoder encoder,
HPDF_Stream out);
HPDF_UNICODE
HPDF_CMapEncoder_ToUnicode (HPDF_Encoder encoder,
HPDF_UINT16 code);
HPDF_UINT16
HPDF_CMapEncoder_ToCID (HPDF_Encoder encoder,
HPDF_UINT16 code);
HPDF_STATUS
HPDF_CMapEncoder_SetParseText (HPDF_Encoder encoder,
HPDF_ParseText_Rec *state,
const HPDF_BYTE *text,
HPDF_UINT len);
HPDF_ByteType
HPDF_CMapEncoder_ByteType (HPDF_Encoder encoder,
HPDF_ParseText_Rec *state);
HPDF_STATUS
HPDF_CMapEncoder_AddCMap (HPDF_Encoder encoder,
const HPDF_CidRange_Rec *range);
HPDF_STATUS
HPDF_CMapEncoder_AddNotDefRange (HPDF_Encoder encoder,
HPDF_CidRange_Rec range);
HPDF_STATUS
HPDF_CMapEncoder_AddCodeSpaceRange (HPDF_Encoder encoder,
HPDF_CidRange_Rec range);
void
HPDF_CMapEncoder_SetUnicodeArray (HPDF_Encoder encoder,
const HPDF_UnicodeMap_Rec *array1);
HPDF_STATUS
HPDF_CMapEncoder_AddJWWLineHead (HPDF_Encoder encoder,
const HPDF_UINT16 *code);
HPDF_BOOL
HPDF_Encoder_CheckJWWLineHead (HPDF_Encoder encoder,
const HPDF_UINT16 code);
/*-- utility functions ----------------------------------*/
const char*
HPDF_UnicodeToGryphName (HPDF_UNICODE unicode);
HPDF_UNICODE
HPDF_GryphNameToUnicode (const char *gryph_name);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* _HPDF_ENCODER_H */
