Files
gimp/devel-docs/libgimpbase/xml/gimpmemsize.xml
2010-08-11 01:21:23 -04:00

207 lines
11 KiB
XML

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
"http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd">
<refentry id="libgimpbase-gimpmemsize">
<refmeta>
<refentrytitle role="top_of_page">gimpmemsize</refentrytitle>
<manvolnum>3</manvolnum>
<refmiscinfo>LIBGIMPBASE Library</refmiscinfo>
</refmeta>
<refnamediv>
<refname>gimpmemsize</refname>
<refpurpose>Functions to (de)serialize a given memory size.</refpurpose>
<!--[<xref linkend="desc" endterm="desc.title"/>]-->
</refnamediv>
<refsynopsisdiv role="synopsis">
<title role="synopsis.title">Synopsis</title>
<synopsis>
<link linkend="gchar">gchar</link>* <link linkend="gimp-memsize-serialize">gimp_memsize_serialize</link> (<link linkend="guint64">guint64</link> memsize);
<link linkend="gboolean">gboolean</link> <link linkend="gimp-memsize-deserialize">gimp_memsize_deserialize</link> (const <link linkend="gchar">gchar</link> *string,
<link linkend="guint64">guint64</link> *memsize);
<link linkend="gchar">gchar</link>* <link linkend="gimp-memsize-to-string">gimp_memsize_to_string</link> (<link linkend="guint64">guint64</link> memsize);
#define <link linkend="GIMP-TYPE-MEMSIZE:CAPS">GIMP_TYPE_MEMSIZE</link>
#define <link linkend="GIMP-TYPE-PARAM-MEMSIZE:CAPS">GIMP_TYPE_PARAM_MEMSIZE</link>
#define <link linkend="GIMP-IS-PARAM-SPEC-MEMSIZE:CAPS">GIMP_IS_PARAM_SPEC_MEMSIZE</link> (pspec)
<link linkend="GParamSpec">GParamSpec</link>* <link linkend="gimp-param-spec-memsize">gimp_param_spec_memsize</link> (const <link linkend="gchar">gchar</link> *name,
const <link linkend="gchar">gchar</link> *nick,
const <link linkend="gchar">gchar</link> *blurb,
<link linkend="guint64">guint64</link> minimum,
<link linkend="guint64">guint64</link> maximum,
<link linkend="guint64">guint64</link> default_value,
<link linkend="GParamFlags">GParamFlags</link> flags);
#define <link linkend="GIMP-VALUE-HOLDS-MEMSIZE:CAPS">GIMP_VALUE_HOLDS_MEMSIZE</link> (value)
</synopsis>
</refsynopsisdiv>
<refsect1 role="desc">
<title role="desc.title">Description</title>
<para>
Functions to (de)serialize a given memory size.
</para>
</refsect1>
<refsect1 role="details">
<title role="details.title">Details</title>
<refsect2>
<title><anchor id="gimp-memsize-serialize" role="function" condition="since:GIMP 2.2"/>gimp_memsize_serialize ()</title>
<indexterm role="GIMP 2.2"><primary>gimp_memsize_serialize</primary></indexterm><programlisting><link linkend="gchar">gchar</link>* gimp_memsize_serialize (<link linkend="guint64">guint64</link> memsize);</programlisting>
<para>
Creates a string representation of a given memory size. This string
can be parsed by <link linkend="gimp-memsize-deserialize"><function>gimp_memsize_deserialize()</function></link> and can thus be used in
config files. It should not be displayed to the user. If you need a
nice human-readable string please use <link linkend="gimp-memsize-to-string"><function>gimp_memsize_to_string()</function></link>.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>memsize</parameter>&nbsp;:</term>
<listitem><simpara> memory size in bytes
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis>&nbsp;:</term><listitem><simpara> A newly allocated string representation of <parameter>memsize</parameter>.
</simpara></listitem></varlistentry>
</variablelist><para role="since">Since GIMP 2.2
</para></refsect2>
<refsect2>
<title><anchor id="gimp-memsize-deserialize" role="function" condition="since:GIMP 2.2"/>gimp_memsize_deserialize ()</title>
<indexterm role="GIMP 2.2"><primary>gimp_memsize_deserialize</primary></indexterm><programlisting><link linkend="gboolean">gboolean</link> gimp_memsize_deserialize (const <link linkend="gchar">gchar</link> *string,
<link linkend="guint64">guint64</link> *memsize);</programlisting>
<para>
Parses a string representation of a memory size as returned by
<link linkend="gimp-memsize-serialize"><function>gimp_memsize_serialize()</function></link>.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>string</parameter>&nbsp;:</term>
<listitem><simpara> a string as returned by <link linkend="gimp-memsize-serialize"><function>gimp_memsize_serialize()</function></link>
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>memsize</parameter>&nbsp;:</term>
<listitem><simpara> return location for memory size in bytes
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis>&nbsp;:</term><listitem><simpara> <link linkend="TRUE:CAPS"><literal>TRUE</literal></link> if the <parameter>string</parameter> was successfully parsed and
<parameter>memsize</parameter> has been set, <link linkend="FALSE:CAPS"><literal>FALSE</literal></link> otherwise.
</simpara></listitem></varlistentry>
</variablelist><para role="since">Since GIMP 2.2
</para></refsect2>
<refsect2>
<title><anchor id="gimp-memsize-to-string" role="function"/>gimp_memsize_to_string ()</title>
<indexterm><primary>gimp_memsize_to_string</primary></indexterm><programlisting><link linkend="gchar">gchar</link>* gimp_memsize_to_string (<link linkend="guint64">guint64</link> memsize);</programlisting>
<para>
This function returns a human readable, translated representation
of the passed <parameter>memsize</parameter>. Large values are displayed using a
reasonable memsize unit, e.g.: "345" becomes "345 Bytes", "4500"
becomes "4.4 KB" and so on.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>memsize</parameter>&nbsp;:</term>
<listitem><simpara> A memory size in bytes.
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis>&nbsp;:</term><listitem><simpara> A newly allocated human-readable, translated string.
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="GIMP-TYPE-MEMSIZE:CAPS" role="macro"/>GIMP_TYPE_MEMSIZE</title>
<indexterm><primary>GIMP_TYPE_MEMSIZE</primary></indexterm><programlisting>#define GIMP_TYPE_MEMSIZE (gimp_memsize_get_type ())
</programlisting>
<para>
<link linkend="GIMP-TYPE-MEMSIZE:CAPS"><type>GIMP_TYPE_MEMSIZE</type></link> is a <link linkend="GType"><type>GType</type></link> derived from <link linkend="G-TYPE-UINT64:CAPS"><type>G_TYPE_UINT64</type></link>.
</para></refsect2>
<refsect2>
<title><anchor id="GIMP-TYPE-PARAM-MEMSIZE:CAPS" role="macro"/>GIMP_TYPE_PARAM_MEMSIZE</title>
<indexterm><primary>GIMP_TYPE_PARAM_MEMSIZE</primary></indexterm><programlisting>#define GIMP_TYPE_PARAM_MEMSIZE (gimp_param_memsize_get_type ())
</programlisting>
<para>
</para></refsect2>
<refsect2>
<title><anchor id="GIMP-IS-PARAM-SPEC-MEMSIZE:CAPS" role="macro"/>GIMP_IS_PARAM_SPEC_MEMSIZE()</title>
<indexterm><primary>GIMP_IS_PARAM_SPEC_MEMSIZE</primary></indexterm><programlisting>#define GIMP_IS_PARAM_SPEC_MEMSIZE(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), GIMP_TYPE_PARAM_MEMSIZE))
</programlisting>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>pspec</parameter>&nbsp;:</term>
<listitem><simpara>
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="gimp-param-spec-memsize" role="function" condition="since:GIMP 2.4"/>gimp_param_spec_memsize ()</title>
<indexterm role="GIMP 2.4"><primary>gimp_param_spec_memsize</primary></indexterm><programlisting><link linkend="GParamSpec">GParamSpec</link>* gimp_param_spec_memsize (const <link linkend="gchar">gchar</link> *name,
const <link linkend="gchar">gchar</link> *nick,
const <link linkend="gchar">gchar</link> *blurb,
<link linkend="guint64">guint64</link> minimum,
<link linkend="guint64">guint64</link> maximum,
<link linkend="guint64">guint64</link> default_value,
<link linkend="GParamFlags">GParamFlags</link> flags);</programlisting>
<para>
Creates a param spec to hold a memory size value.
See <link linkend="g-param-spec-internal"><function>g_param_spec_internal()</function></link> for more information.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>name</parameter>&nbsp;:</term>
<listitem><simpara> Canonical name of the param
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>nick</parameter>&nbsp;:</term>
<listitem><simpara> Nickname of the param
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>blurb</parameter>&nbsp;:</term>
<listitem><simpara> Brief desciption of param.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>minimum</parameter>&nbsp;:</term>
<listitem><simpara> Smallest allowed value of the parameter.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>maximum</parameter>&nbsp;:</term>
<listitem><simpara> Largest allowed value of the parameter.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>default_value</parameter>&nbsp;:</term>
<listitem><simpara> Value to use if none is assigned.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>flags</parameter>&nbsp;:</term>
<listitem><simpara> a combination of <link linkend="GParamFlags"><type>GParamFlags</type></link>
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis>&nbsp;:</term><listitem><simpara> a newly allocated <link linkend="GParamSpec"><type>GParamSpec</type></link> instance
</simpara></listitem></varlistentry>
</variablelist><para role="since">Since GIMP 2.4
</para></refsect2>
<refsect2>
<title><anchor id="GIMP-VALUE-HOLDS-MEMSIZE:CAPS" role="macro"/>GIMP_VALUE_HOLDS_MEMSIZE()</title>
<indexterm><primary>GIMP_VALUE_HOLDS_MEMSIZE</primary></indexterm><programlisting>#define GIMP_VALUE_HOLDS_MEMSIZE(value) (G_TYPE_CHECK_VALUE_TYPE ((value), GIMP_TYPE_MEMSIZE))
</programlisting>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>value</parameter>&nbsp;:</term>
<listitem><simpara>
</simpara></listitem></varlistentry>
</variablelist></refsect2>
</refsect1>
</refentry>