diff options
Diffstat (limited to 'src/pdflib/font/ft_cid.c')
| -rw-r--r-- | src/pdflib/font/ft_cid.c | 295 |
1 files changed, 295 insertions, 0 deletions
diff --git a/src/pdflib/font/ft_cid.c b/src/pdflib/font/ft_cid.c new file mode 100644 index 0000000..aff9784 --- /dev/null +++ b/src/pdflib/font/ft_cid.c @@ -0,0 +1,295 @@ +/*---------------------------------------------------------------------------* + | PDFlib - A library for generating PDF on the fly | + +---------------------------------------------------------------------------+ + | Copyright (c) 1997-2006 Thomas Merz and PDFlib GmbH. All rights reserved. | + +---------------------------------------------------------------------------+ + | | + | This software is subject to the PDFlib license. It is NOT in the | + | public domain. Extended versions and commercial licenses are | + | available, please check http://www.pdflib.com. | + | | + *---------------------------------------------------------------------------*/ + +/* $Id: ft_cid.c,v 1.1 2008/10/17 06:10:43 scuri Exp $ + * + * FONT CID functions + * + */ + +#define FT_CID_C + +#include <errno.h> + +#include "ft_font.h" +#include "pc_file.h" + +/* ------------------------ Predefined CMaps ------------------------ */ + +/* Predefined CMaps and the corresponding character collection */ +static const fnt_cmap_info fnt_predefined_cmaps[] = +{ + { "83pv-RKSJ-H", cc_japanese, 0, PDC_1_3, 1, 1, 1, 1, 0}, + { "90ms-RKSJ-H", cc_japanese, 0, PDC_1_3, 2, 2, 2, 2, 0}, + { "90ms-RKSJ-V", cc_japanese, 0, PDC_1_3, 2, 2, 2, 2, 1}, + { "90msp-RKSJ-H", cc_japanese, 0, PDC_1_3, 2, 2, 2, 2, 0}, + { "90msp-RKSJ-V", cc_japanese, 0, PDC_1_3, 2, 2, 2, 2, 1}, + { "90pv-RKSJ-H", cc_japanese, 0, PDC_1_3, 1, 1, 1, 1, 0}, + { "Add-RKSJ-H", cc_japanese, 0, PDC_1_3, 1, 1, 1, 1, 0}, + { "Add-RKSJ-V", cc_japanese, 0, PDC_1_3, 1, 1, 1, 1, 1}, + { "EUC-H", cc_japanese, 0, PDC_1_3, 1, 1, 1, 1, 0}, + { "EUC-V", cc_japanese, 0, PDC_1_3, 1, 1, 1, 1, 1}, + { "Ext-RKSJ-H", cc_japanese, 0, PDC_1_3, 2, 2, 2, 2, 0}, + { "Ext-RKSJ-V", cc_japanese, 0, PDC_1_3, 2, 2, 2, 2, 1}, + { "H", cc_japanese, 0, PDC_1_3, 1, 1, 1, 1, 0}, + { "V", cc_japanese, 0, PDC_1_3, 1, 1, 1, 1, 1}, + { "UniJIS-UCS2-H", cc_japanese, 2, PDC_1_3, 2, 4, 4, 6, 0}, + { "UniJIS-UCS2-V", cc_japanese, 2, PDC_1_3, 2, 4, 4, 6, 1}, + { "UniJIS-UCS2-HW-H", cc_japanese,-2, PDC_1_3, 2, 4, 4, 6, 0}, + { "UniJIS-UCS2-HW-V", cc_japanese -2, PDC_1_3, 2, 4, 4, 6, 1}, + { "UniJIS-UTF16-H", cc_japanese, 2, PDC_1_5, 0, 0, 5, 6, 0}, + { "UniJIS-UTF16-V", cc_japanese, 2, PDC_1_5, 0, 0, 5, 6, 1}, + + { "GB-EUC-H", cc_simplified_chinese, 0, PDC_1_3, 0, 0, 0, 0, 0}, + { "GB-EUC-V", cc_simplified_chinese, 0, PDC_1_3, 0, 0, 0, 0, 1}, + { "GBpc-EUC-H", cc_simplified_chinese, 0, PDC_1_3, 0, 0, 0, 0, 0}, + { "GBpc-EUC-V", cc_simplified_chinese, 0, PDC_1_3, 0, 0, 0, 0, 1}, + { "GBK-EUC-H", cc_simplified_chinese, 0, PDC_1_3, 2, 2, 2, 2, 0}, + { "GBK-EUC-V", cc_simplified_chinese, 0, PDC_1_3, 2, 2, 2, 2, 1}, + { "GBKp-EUC-H", cc_simplified_chinese, 0, PDC_1_4, 0, 2, 2, 2, 0}, + { "GBKp-EUC-V", cc_simplified_chinese, 0, PDC_1_4, 0, 2, 2, 2, 1}, + { "GBK2K-H", cc_simplified_chinese, 0, PDC_1_4, 0, 4, 4, 4, 0}, + { "GBK2K-V", cc_simplified_chinese, 0, PDC_1_4, 0, 4, 4, 4, 1}, + { "UniGB-UCS2-H", cc_simplified_chinese, 2, PDC_1_3, 2, 4, 4, 4, 0}, + { "UniGB-UCS2-V", cc_simplified_chinese, 2, PDC_1_3, 2, 4, 4, 4, 1}, + { "UniGB-UTF16-H", cc_simplified_chinese, 2, PDC_1_5, 0, 0, 4, 4, 0}, + { "UniGB-UTF16-V", cc_simplified_chinese, 2, PDC_1_5, 0, 0, 4, 4, 1}, + + { "B5pc-H", cc_traditional_chinese, 0, PDC_1_3, 0, 0, 0, 0, 0}, + { "B5pc-V", cc_traditional_chinese, 0, PDC_1_3, 0, 0, 0, 0, 1}, + { "HKscs-B5-H", cc_traditional_chinese, 0, PDC_1_4, 0, 3, 3, 3, 0}, + { "HKscs-B5-V", cc_traditional_chinese, 0, PDC_1_4, 0, 3, 3, 3, 1}, + { "ETen-B5-H", cc_traditional_chinese, 0, PDC_1_3, 0, 0, 0, 0, 0}, + { "ETen-B5-V", cc_traditional_chinese, 0, PDC_1_3, 0, 0, 0, 0, 1}, + { "ETenms-B5-H", cc_traditional_chinese, 0, PDC_1_3, 0, 0, 0, 0, 0}, + { "ETenms-B5-V", cc_traditional_chinese, 0, PDC_1_3, 0, 0, 0, 0, 1}, + { "CNS-EUC-H", cc_traditional_chinese, 0, PDC_1_3, 0, 0, 0, 0, 0}, + { "CNS-EUC-V", cc_traditional_chinese, 0, PDC_1_3, 0, 0, 0, 0, 1}, + { "UniCNS-UCS2-H", cc_traditional_chinese, 2, PDC_1_3, 0, 3, 3, 3, 0}, + { "UniCNS-UCS2-V", cc_traditional_chinese, 2, PDC_1_3, 0, 3, 3, 3, 1}, + { "UniCNS-UTF16-H", cc_traditional_chinese, 2, PDC_1_5, 0, 0, 4, 4, 0}, + { "UniCNS-UTF16-V", cc_traditional_chinese, 2, PDC_1_5, 0, 0, 4, 4, 1}, + + { "KSC-EUC-H", cc_korean, 0, PDC_1_3, 0, 0, 0, 0, 0}, + { "KSC-EUC-V", cc_korean, 0, PDC_1_3, 0, 0, 0, 0, 1}, + { "KSCms-UHC-H", cc_korean, 0, PDC_1_3, 1, 1, 1, 1, 0}, + { "KSCms-UHC-V", cc_korean, 0, PDC_1_3, 1, 1, 1, 1, 1}, + { "KSCms-UHC-HW-H", cc_korean, 0, PDC_1_3, 1, 1, 1, 1, 0}, + { "KSCms-UHC-HW-V", cc_korean, 0, PDC_1_3, 1, 1, 1, 1, 1}, + { "KSCpc-EUC-H", cc_korean, 0, PDC_1_3, 0, 0, 0, 0, 0}, + { "UniKS-UCS2-H", cc_korean, 2, PDC_1_3, 1, 1, 1, 1, 0}, + { "UniKS-UCS2-V", cc_korean, 2, PDC_1_3, 1, 1, 1, 1, 1}, + { "UniKS-UTF16-H", cc_korean, 2, PDC_1_5, 0, 0, 2, 2, 0}, + { "UniKS-UTF16-V", cc_korean, 2, PDC_1_5, 0, 0, 2, 2, 1}, + + { "Identity-H", cc_identity, 0, PDC_1_3, 0, 0, 0, 0, 0}, + { "Identity-V", cc_identity, 0, PDC_1_3, 0, 0, 0, 0, 1}, + + { NULL, 0, 0, 0, 0, 0, 0, 0, 0}, +}; + +static int +fnt_get_predefined_cmap_slot(const char *cmapname) +{ + int slot; + + for (slot = 0; ; slot++) + { + if (fnt_predefined_cmaps[slot].name == NULL) + { + slot = -1; + break; + } + if (!strcmp(fnt_predefined_cmaps[slot].name, cmapname)) + break; + } + + return slot; +} + +int +fnt_get_predefined_cmap_info(const char *cmapname, fnt_cmap_info *cmapinfo) +{ + int slot; + + slot = fnt_get_predefined_cmap_slot(cmapname); + + if (slot == -1) + return cc_none; + + if (cmapinfo) + *cmapinfo = fnt_predefined_cmaps[slot]; + + return fnt_predefined_cmaps[slot].charcoll; +} + +static const pdc_keyconn fnt_charcoll_keylist[] = +{ + { "Japan1", cc_japanese}, + { "GB1", cc_simplified_chinese}, + { "CNS1", cc_traditional_chinese}, + { "Korea1", cc_korean}, + { "Identity", cc_identity}, + { "Unknown", cc_unknown}, + { NULL, 0} +}; + +const char * +fnt_get_ordering_cid(int charcoll) +{ + return pdc_get_keyword(charcoll, fnt_charcoll_keylist); +} + +int +fnt_get_charcoll(const char *ordering) +{ + int charcoll; + + charcoll = (int) pdc_get_keycode(ordering, fnt_charcoll_keylist); + + if (charcoll == PDC_KEY_NOTFOUND) + return cc_unknown; + else + return charcoll; +} + +int +fnt_get_supplement(fnt_cmap_info *cmapinfo, int compatibility) +{ + int retval = 0; + + switch(compatibility) + { + case PDC_1_3: + retval = cmapinfo->supplement13; + break; + + case PDC_1_4: + retval = cmapinfo->supplement14; + break; + + case PDC_1_5: + retval = cmapinfo->supplement15; + break; + + default: + case PDC_1_6: + retval = cmapinfo->supplement16; + break; + } + + return retval; +} + +/* + * See: + * Adobe Technical Note #5078 (Japanese1) + * Adobe Technical Note #5079 (GB1) + * Adobe Technical Note #5080 (CNS1) + * Adobe Technical Note #5093 (Korea1) + * + */ + +int +fnt_get_maxcid(int charcoll, int supplement) +{ + switch(charcoll) + { + case cc_japanese: + switch(supplement) + { + case 0: + return 8283; + + case 1: + return 8358; + + case 2: + return 8719; + + case 3: + return 9353; + + case 4: + return 15443; + + case 5: + return 20316; + + case 6: + default: + return 23057; + } + + case cc_simplified_chinese: + switch(supplement) + { + case 0: + return 7716; + + case 1: + return 9896; + + case 2: + return 22126; + + case 3: + return 22352; + + case 4: + default: + return 29063; + } + + case cc_traditional_chinese: + switch(supplement) + { + case 0: + return 14098; + + case 1: + return 17407; + + case 2: + return 17600; + + case 3: + return 18845; + + case 4: + default: + return 18964; + } + + case cc_korean: + switch(supplement) + { + case 0: + return 9332; + + case 1: + return 18154; + + case 2: + default: + return 18351; + } + + case cc_identity: + case cc_unknown: + return FNT_MAXCID; + + default: + return 0; + } +} + |