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/* Pango
* pango-ot-tag.h:
*
* Copyright (C) 2007 Red Hat Software
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include "pango-ot-private.h"
typedef union {
char string[4];
guint32 integer;
} Tag;
/*
* complete list at:
* http://www.microsoft.com/typography/developers/opentype/scripttags.aspx
*/
static const Tag ot_scripts[] = {
{"DFLT"}, /* PANGO_SCRIPT_COMMON */
{"DFLT"}, /* PANGO_SCRIPT_INHERITED */
{"arab"}, /* PANGO_SCRIPT_ARABIC */
{"armn"}, /* PANGO_SCRIPT_ARMENIAN */
{"beng"}, /* PANGO_SCRIPT_BENGALI */
{"bopo"}, /* PANGO_SCRIPT_BOPOMOFO */
{"cher"}, /* PANGO_SCRIPT_CHEROKEE */
{"copt"}, /* PANGO_SCRIPT_COPTIC */
{"cyrl"}, /* PANGO_SCRIPT_CYRILLIC */
{"dsrt"}, /* PANGO_SCRIPT_DESERET */
{"deva"}, /* PANGO_SCRIPT_DEVANAGARI */
{"ethi"}, /* PANGO_SCRIPT_ETHIOPIC */
{"geor"}, /* PANGO_SCRIPT_GEORGIAN */
{"goth"}, /* PANGO_SCRIPT_GOTHIC */
{"grek"}, /* PANGO_SCRIPT_GREEK */
{"gujr"}, /* PANGO_SCRIPT_GUJARATI */
{"guru"}, /* PANGO_SCRIPT_GURMUKHI */
{"hani"}, /* PANGO_SCRIPT_HAN */
{"hang"}, /* PANGO_SCRIPT_HANGUL */
{"hebr"}, /* PANGO_SCRIPT_HEBREW */
{"kana"}, /* PANGO_SCRIPT_HIRAGANA */
{"knda"}, /* PANGO_SCRIPT_KANNADA */
{"kana"}, /* PANGO_SCRIPT_KATAKANA */
{"khmr"}, /* PANGO_SCRIPT_KHMER */
{"lao "}, /* PANGO_SCRIPT_LAO */
{"latn"}, /* PANGO_SCRIPT_LATIN */
{"mlym"}, /* PANGO_SCRIPT_MALAYALAM */
{"mong"}, /* PANGO_SCRIPT_MONGOLIAN */
{"mymr"}, /* PANGO_SCRIPT_MYANMAR */
{"ogam"}, /* PANGO_SCRIPT_OGHAM */
{"ital"}, /* PANGO_SCRIPT_OLD_ITALIC */
{"orya"}, /* PANGO_SCRIPT_ORIYA */
{"runr"}, /* PANGO_SCRIPT_RUNIC */
{"sinh"}, /* PANGO_SCRIPT_SINHALA */
{"syrc"}, /* PANGO_SCRIPT_SYRIAC */
{"taml"}, /* PANGO_SCRIPT_TAMIL */
{"telu"}, /* PANGO_SCRIPT_TELUGU */
{"thaa"}, /* PANGO_SCRIPT_THAANA */
{"thai"}, /* PANGO_SCRIPT_THAI */
{"tibt"}, /* PANGO_SCRIPT_TIBETAN */
{"cans"}, /* PANGO_SCRIPT_CANADIAN_ABORIGINAL */
{"yi "}, /* PANGO_SCRIPT_YI */
{"tglg"}, /* PANGO_SCRIPT_TAGALOG */
{"hano"}, /* PANGO_SCRIPT_HANUNOO */
{"buhd"}, /* PANGO_SCRIPT_BUHID */
{"tagb"}, /* PANGO_SCRIPT_TAGBANWA */
{"brai"}, /* PANGO_SCRIPT_BRAILLE */
{"cprt"}, /* PANGO_SCRIPT_CYPRIOT */
{"limb"}, /* PANGO_SCRIPT_LIMBU */
{"osma"}, /* PANGO_SCRIPT_OSMANYA */
{"shaw"}, /* PANGO_SCRIPT_SHAVIAN */
{"linb"}, /* PANGO_SCRIPT_LINEAR_B */
{"tale"}, /* PANGO_SCRIPT_TAI_LE */
{"ugar"}, /* PANGO_SCRIPT_UGARITIC */
{"talu"}, /* PANGO_SCRIPT_NEW_TAI_LUE */
{"bugi"}, /* PANGO_SCRIPT_BUGINESE */
{"glag"}, /* PANGO_SCRIPT_GLAGOLITIC */
{"tfng"}, /* PANGO_SCRIPT_TIFINAGH */
{"sylo"}, /* PANGO_SCRIPT_SYLOTI_NAGRI */
{"xpeo"}, /* PANGO_SCRIPT_OLD_PERSIAN */
{"khar"}, /* PANGO_SCRIPT_KHAROSHTHI */
{"DFLT"}, /* PANGO_SCRIPT_UNKNOWN */
{"bali"}, /* PANGO_SCRIPT_BALINESE */
{"xsux"}, /* PANGO_SCRIPT_CUNEIFORM */
{"phnx"}, /* PANGO_SCRIPT_PHOENICIAN */
{"phag"}, /* PANGO_SCRIPT_PHAGS_PA */
{"nko "} /* PANGO_SCRIPT_NKO */
};
/**
* pango_ot_tag_from_script:
* @script: A #PangoScript
*
* Finds the OpenType script tag corresponding to @script.
*
* The %PANGO_SCRIPT_COMMON, %PANGO_SCRIPT_INHERITED, and
* %PANGO_SCRIPT_UNKNOWN scripts are mapped to the OpenType
* 'DFLT' script tag that is also defined as
* %PANGO_OT_TAG_DEFAULT_SCRIPT.
*
* Note that multiple #PangoScript values may map to the same
* OpenType script tag. In particular, %PANGO_SCRIPT_HIRAGANA
* and %PANGO_SCRIPT_KATAKANA both map to the OT tag 'kana'.
*
* Return value: #PangoOTTag corresponding to @script or
* %PANGO_OT_TAG_DEFAULT_SCRIPT if none found.
*
* Since: 1.18
**/
PangoOTTag
pango_ot_tag_from_script (PangoScript script)
{
hb_tag_t tag1, tag2;
hb_ot_tags_from_script (hb_glib_script_to_script (script), &tag1, &tag2);
return (PangoOTTag) tag1;
}
/**
* pango_ot_tag_to_script:
* @script_tag: A #PangoOTTag OpenType script tag
*
* Finds the #PangoScript corresponding to @script_tag.
*
* The 'DFLT' script tag is mapped to %PANGO_SCRIPT_COMMON.
*
* Note that an OpenType script tag may correspond to multiple
* #PangoScript values. In such cases, the #PangoScript value
* with the smallest value is returned.
* In particular, %PANGO_SCRIPT_HIRAGANA
* and %PANGO_SCRIPT_KATAKANA both map to the OT tag 'kana'.
* This function will return %PANGO_SCRIPT_HIRAGANA for
* 'kana'.
*
* Return value: #PangoScript corresponding to @script_tag or
* %PANGO_SCRIPT_UNKNOWN if none found.
*
* Since: 1.18
**/
PangoScript
pango_ot_tag_to_script (PangoOTTag script_tag)
{
return (PangoScript) hb_glib_script_from_script (hb_ot_tag_to_script ((hb_tag_t) script_tag));
}
/**
* pango_ot_tag_from_language:
* @language: A #PangoLanguage, or %NULL
*
* Finds the OpenType language-system tag best describing @language.
*
* Return value: #PangoOTTag best matching @language or
* %PANGO_OT_TAG_DEFAULT_LANGUAGE if none found or if @language
* is %NULL.
*
* Since: 1.18
**/
PangoOTTag
pango_ot_tag_from_language (PangoLanguage *language)
{
return (PangoOTTag) hb_ot_tag_from_language (hb_language_from_string (pango_language_to_string (language), -1));
}
/**
* pango_ot_tag_to_language:
* @language_tag: A #PangoOTTag OpenType language-system tag
*
* Finds a #PangoLanguage corresponding to @language_tag.
*
* Return value: #PangoLanguage best matching @language_tag or
* #PangoLanguage corresponding to the string "xx" if none found.
*
* Since: 1.18
**/
PangoLanguage *
pango_ot_tag_to_language (PangoOTTag language_tag)
{
return pango_language_from_string (hb_language_to_string (hb_ot_tag_to_language ((hb_tag_t) language_tag)));
}
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