opentype.xml

GTK+-2.0源码之pango-1.15.6.tar.gz

<title><anchor id="PANGO-OT-ALL-GLYPHS:CAPS" role="macro"/>PANGO_OT_ALL_GLYPHS</title>
<indexterm><primary>PANGO_OT_ALL_GLYPHS</primary></indexterm><programlisting>#define PANGO_OT_ALL_GLYPHS		((guint)0xFFFF)
</programlisting>
<para>
This is used as the property bit in <link linkend="pango-ot-ruleset-add-feature"><function>pango_ot_ruleset_add_feature()</function></link> when a
feature should be applied to all glyphs.
</para></refsect2>
<refsect2>
<title><anchor id="PANGO-OT-DEFAULT-LANGUAGE:CAPS" role="macro"/>PANGO_OT_DEFAULT_LANGUAGE</title>
<indexterm><primary>PANGO_OT_DEFAULT_LANGUAGE</primary></indexterm><programlisting>#define PANGO_OT_DEFAULT_LANGUAGE	((guint)0xFFFF)
</programlisting>
<para>
This is used as the language index in <link linkend="pango-ot-info-find-feature"><function>pango_ot_info_find_feature()</function></link> when a
the default language system of the script is desired.
</para></refsect2>
<refsect2>
<title><anchor id="pango-ot-info-get" role="function" condition="since:1.2"/>pango_ot_info_get ()</title>
<indexterm role="1.2"><primary>pango_ot_info_get</primary></indexterm><programlisting><link linkend="PangoOTInfo">PangoOTInfo</link>* pango_ot_info_get              (<link linkend="FT-Face">FT_Face</link> face);</programlisting>
<para>
Returns the <link linkend="PangoOTInfo"><type>PangoOTInfo</type></link> structure for the given FreeType font.</para>
<para>

</para><variablelist role="params">
<varlistentry><term><parameter>face</parameter>&nbsp;:</term>
<listitem><simpara> a <type>FT_Face</type>.
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis>&nbsp;:</term><listitem><simpara> the <link linkend="PangoOTInfo"><type>PangoOTInfo</type></link> for <parameter>face</parameter>. This object will have
the same lifetime as <parameter>face</parameter>.

</simpara></listitem></varlistentry>
</variablelist><para>Since  1.2
</para></refsect2>
<refsect2>
<title><anchor id="pango-ot-info-find-script" role="function"/>pango_ot_info_find_script ()</title>
<indexterm><primary>pango_ot_info_find_script</primary></indexterm><programlisting><link linkend="gboolean">gboolean</link>    pango_ot_info_find_script       (<link linkend="PangoOTInfo">PangoOTInfo</link> *info,
                                             <link linkend="PangoOTTableType">PangoOTTableType</link> table_type,
                                             <link linkend="PangoOTTag">PangoOTTag</link> script_tag,
                                             <link linkend="guint">guint</link> *script_index);</programlisting>
<para>
Finds the index of a script.</para>
<para>

</para><variablelist role="params">
<varlistentry><term><parameter>info</parameter>&nbsp;:</term>
<listitem><simpara> a <link linkend="PangoOTInfo"><type>PangoOTInfo</type></link>.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>table_type</parameter>&nbsp;:</term>
<listitem><simpara> the table type to obtain information about.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>script_tag</parameter>&nbsp;:</term>
<listitem><simpara> the tag of the script to find.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>script_index</parameter>&nbsp;:</term>
<listitem><simpara> location to store the index of the script, or <link linkend="NULL:CAPS"><literal>NULL</literal></link>.
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis>&nbsp;:</term><listitem><simpara> <link linkend="TRUE:CAPS"><literal>TRUE</literal></link> if the script was found.
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="pango-ot-info-find-language" role="function"/>pango_ot_info_find_language ()</title>
<indexterm><primary>pango_ot_info_find_language</primary></indexterm><programlisting><link linkend="gboolean">gboolean</link>    pango_ot_info_find_language     (<link linkend="PangoOTInfo">PangoOTInfo</link> *info,
                                             <link linkend="PangoOTTableType">PangoOTTableType</link> table_type,
                                             <link linkend="guint">guint</link> script_index,
                                             <link linkend="PangoOTTag">PangoOTTag</link> language_tag,
                                             <link linkend="guint">guint</link> *language_index,
                                             <link linkend="guint">guint</link> *required_feature_index);</programlisting>
<para>
Finds the index of a language and its required feature index.</para>
<para>

</para><variablelist role="params">
<varlistentry><term><parameter>info</parameter>&nbsp;:</term>
<listitem><simpara> a <link linkend="PangoOTInfo"><type>PangoOTInfo</type></link>.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>table_type</parameter>&nbsp;:</term>
<listitem><simpara> the table type to obtain information about.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>script_index</parameter>&nbsp;:</term>
<listitem><simpara> the index of the script whose languages are searched.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>language_tag</parameter>&nbsp;:</term>
<listitem><simpara> the tag of the language to find.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>language_index</parameter>&nbsp;:</term>
<listitem><simpara> location to store the index of the language, or <link linkend="NULL:CAPS"><literal>NULL</literal></link>.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>required_feature_index</parameter>&nbsp;:</term>
<listitem><simpara> location to store the required feature index of
   the language, or <link linkend="NULL:CAPS"><literal>NULL</literal></link>.
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis>&nbsp;:</term><listitem><simpara> <link linkend="TRUE:CAPS"><literal>TRUE</literal></link> if the language was found.
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="pango-ot-info-find-feature" role="function"/>pango_ot_info_find_feature ()</title>
<indexterm><primary>pango_ot_info_find_feature</primary></indexterm><programlisting><link linkend="gboolean">gboolean</link>    pango_ot_info_find_feature      (<link linkend="PangoOTInfo">PangoOTInfo</link> *info,
                                             <link linkend="PangoOTTableType">PangoOTTableType</link> table_type,
                                             <link linkend="PangoOTTag">PangoOTTag</link> feature_tag,
                                             <link linkend="guint">guint</link> script_index,
                                             <link linkend="guint">guint</link> language_index,
                                             <link linkend="guint">guint</link> *feature_index);</programlisting>
<para>
Finds the index of a feature.</para>
<para>

</para><variablelist role="params">
<varlistentry><term><parameter>info</parameter>&nbsp;:</term>
<listitem><simpara> a <link linkend="PangoOTInfo"><type>PangoOTInfo</type></link>.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>table_type</parameter>&nbsp;:</term>
<listitem><simpara> the table type to obtain information about.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>feature_tag</parameter>&nbsp;:</term>
<listitem><simpara> the tag of the feature to find.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>script_index</parameter>&nbsp;:</term>
<listitem><simpara> the index of the script.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>language_index</parameter>&nbsp;:</term>
<listitem><simpara> the index of the language whose features are searched,
    or <link linkend="PANGO-OT-DEFAULT-LANGUAGE:CAPS"><literal>PANGO_OT_DEFAULT_LANGUAGE</literal></link> to use the default language of the script.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>feature_index</parameter>&nbsp;:</term>
<listitem><simpara> location to store the index of the feature, or <link linkend="NULL:CAPS"><literal>NULL</literal></link>.
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis>&nbsp;:</term><listitem><simpara> <link linkend="TRUE:CAPS"><literal>TRUE</literal></link> if the feature was found.
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="pango-ot-info-list-scripts" role="function"/>pango_ot_info_list_scripts ()</title>
<indexterm><primary>pango_ot_info_list_scripts</primary></indexterm><programlisting><link linkend="PangoOTTag">PangoOTTag</link>* pango_ot_info_list_scripts      (<link linkend="PangoOTInfo">PangoOTInfo</link> *info,
                                             <link linkend="PangoOTTableType">PangoOTTableType</link> table_type);</programlisting>
<para>
Obtains the list of available scripts.</para>
<para>

</para><variablelist role="params">
<varlistentry><term><parameter>info</parameter>&nbsp;:</term>
<listitem><simpara> a <link linkend="PangoOTInfo"><type>PangoOTInfo</type></link>.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>table_type</parameter>&nbsp;:</term>
<listitem><simpara> the table type to obtain information about.
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis>&nbsp;:</term><listitem><simpara> a newly-allocated array containing the tags of the
  available scripts.
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="pango-ot-info-list-languages" role="function"/>pango_ot_info_list_languages ()</title>
<indexterm><primary>pango_ot_info_list_languages</primary></indexterm><programlisting><link linkend="PangoOTTag">PangoOTTag</link>* pango_ot_info_list_languages    (<link linkend="PangoOTInfo">PangoOTInfo</link> *info,
                                             <link linkend="PangoOTTableType">PangoOTTableType</link> table_type,
                                             <link linkend="guint">guint</link> script_index,
                                             <link linkend="PangoOTTag">PangoOTTag</link> language_tag);</programlisting>
<para>
Obtains the list of available languages for a given script.</para>
<para>

</para><variablelist role="params">
<varlistentry><term><parameter>info</parameter>&nbsp;:</term>
<listitem><simpara> a <link linkend="PangoOTInfo"><type>PangoOTInfo</type></link>.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>table_type</parameter>&nbsp;:</term>
<listitem><simpara> the table type to obtain information about.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>script_index</parameter>&nbsp;:</term>
<listitem><simpara> the index of the script to list languages for.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>language_tag</parameter>&nbsp;:</term>
<listitem><simpara> unused parameter.
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis>&nbsp;:</term><listitem><simpara> a newly-allocated array containing the tags of the
  available languages.
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="pango-ot-info-list-features" role="function"/>pango_ot_info_list_features ()</title>
<indexterm><primary>pango_ot_info_list_features</primary></indexterm><programlisting><link linkend="PangoOTTag">PangoOTTag</link>* pango_ot_info_list_features     (<link linkend="PangoOTInfo">PangoOTInfo</link> *info,
                                             <link linkend="PangoOTTableType">PangoOTTableType</link> table_type,
                                             <link linkend="PangoOTTag">PangoOTTag</link> tag,
                                             <link linkend="guint">guint</link> script_index,
                                             <link linkend="guint">guint</link> language_index);</programlisting>
<para>
Obtains the list of features for the given language of the given script.</para>
<para>

</para><variablelist role="params">
<varlistentry><term><parameter>info</parameter>&nbsp;:</term>
<listitem><simpara> a <link linkend="PangoOTInfo"><type>PangoOTInfo</type></link>.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>table_type</parameter>&nbsp;:</term>
<listitem><simpara> the table type to obtain information about.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>tag</parameter>&nbsp;:</term>
<listitem><simpara> unused parameter.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>script_index</parameter>&nbsp;:</term>
<listitem><simpara> the index of the script to obtain information about.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>language_index</parameter>&nbsp;:</term>
<listitem><simpara> the index of the language to list features for, or
    <link linkend="PANGO-OT-DEFAULT-LANGUAGE:CAPS"><literal>PANGO_OT_DEFAULT_LANGUAGE</literal></link>, to list features for the default
    language of the script.
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis>&nbsp;:</term><listitem><simpara> a newly-allocated array containing the tags of the
available features.
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="pango-ot-buffer-new" role="function" condition="since:1.4"/>pango_ot_buffer_new ()</title>
<indexterm role="1.4"><primary>pango_ot_buffer_new</primary></indexterm><programlisting><link linkend="PangoOTBuffer">PangoOTBuffer</link>* pango_ot_buffer_new          (<link linkend="PangoFcFont">PangoFcFont</link> *font);</programlisting>
<para>
Creates a new <link linkend="PangoOTBuffer"><type>PangoOTBuffer</type></link> for the given OpenType font.</para>
<para>

</para><variablelist role="params">
<varlistentry><term><parameter>font</parameter>&nbsp;:</term>
<listitem><simpara> a <link linkend="PangoFcFont"><type>PangoFcFont</type></link>
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis>&nbsp;:</term><listitem><simpara> the newly allocated <link linkend="PangoOTBuffer"><type>PangoOTBuffer</type></link>, which should
              be freed with <link linkend="pango-ot-buffer-destroy"><function>pango_ot_buffer_destroy()</function></link>.

</simpara></listitem></varlistentry>