Imported Upstream version 2.2.4
This commit is contained in:
Ari Pollak
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<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>gimpunit</title><meta name="generator" content="DocBook XSL Stylesheets V1.66.1"><link rel="start" href="index.html" title="GIMP Base Library Reference Manual"><link rel="up" href="libgimpbase.html" title="Part<72>I.<2E>GIMP Base Library"><link rel="prev" href="libgimpbase-gimpsignal.html" title="gimpsignal"><link rel="next" href="libgimpbase-gimputils.html" title="gimputils"><meta name="generator" content="GTK-Doc V1.3 (XML mode)"><link rel="stylesheet" href="style.css" type="text/css"><link rel="part" href="libgimpbase.html" title="Part<72>I.<2E>GIMP Base Library"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><table class="navigation" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2"><tr valign="middle"><td><a accesskey="p" href="libgimpbase-gimpsignal.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td><td><a accesskey="u" href="libgimpbase.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td><td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td><th width="100%" align="center">GIMP Base Library Reference Manual</th><td><a accesskey="n" href="libgimpbase-gimputils.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td></tr></table><div class="refentry" lang="en"><a name="libgimpbase-gimpunit"></a><div class="titlepage"></div><div class="refnamediv"><table width="100%"><tr><td valign="top"><h2><span class="refentrytitle">gimpunit</span></h2><p>gimpunit — Provides a collection of predefined units and functions for creating
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user-defined units.</p></td><td valign="top" align="right"></td></tr></table></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">
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enum <a href="libgimpbase-gimpunit.html#GimpUnit">GimpUnit</a>;
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gint <a href="libgimpbase-gimpunit.html#gimp-unit-get-number-of-units">gimp_unit_get_number_of_units</a> (void);
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gint <a href="libgimpbase-gimpunit.html#gimp-unit-get-number-of-built-in-units">gimp_unit_get_number_of_built_in_units</a>
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(void);
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<a href="libgimpbase-gimpunit.html#GimpUnit">GimpUnit</a> <a href="libgimpbase-gimpunit.html#gimp-unit-new">gimp_unit_new</a> (gchar *identifier,
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gdouble factor,
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gint digits,
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gchar *symbol,
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gchar *abbreviation,
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gchar *singular,
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gchar *plural);
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gboolean <a href="libgimpbase-gimpunit.html#gimp-unit-get-deletion-flag">gimp_unit_get_deletion_flag</a> (<a href="libgimpbase-gimpunit.html#GimpUnit">GimpUnit</a> unit);
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void <a href="libgimpbase-gimpunit.html#gimp-unit-set-deletion-flag">gimp_unit_set_deletion_flag</a> (<a href="libgimpbase-gimpunit.html#GimpUnit">GimpUnit</a> unit,
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gboolean deletion_flag);
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gdouble <a href="libgimpbase-gimpunit.html#gimp-unit-get-factor">gimp_unit_get_factor</a> (<a href="libgimpbase-gimpunit.html#GimpUnit">GimpUnit</a> unit);
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gint <a href="libgimpbase-gimpunit.html#gimp-unit-get-digits">gimp_unit_get_digits</a> (<a href="libgimpbase-gimpunit.html#GimpUnit">GimpUnit</a> unit);
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const gchar* <a href="libgimpbase-gimpunit.html#gimp-unit-get-identifier">gimp_unit_get_identifier</a> (<a href="libgimpbase-gimpunit.html#GimpUnit">GimpUnit</a> unit);
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const gchar* <a href="libgimpbase-gimpunit.html#gimp-unit-get-symbol">gimp_unit_get_symbol</a> (<a href="libgimpbase-gimpunit.html#GimpUnit">GimpUnit</a> unit);
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const gchar* <a href="libgimpbase-gimpunit.html#gimp-unit-get-abbreviation">gimp_unit_get_abbreviation</a> (<a href="libgimpbase-gimpunit.html#GimpUnit">GimpUnit</a> unit);
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const gchar* <a href="libgimpbase-gimpunit.html#gimp-unit-get-singular">gimp_unit_get_singular</a> (<a href="libgimpbase-gimpunit.html#GimpUnit">GimpUnit</a> unit);
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const gchar* <a href="libgimpbase-gimpunit.html#gimp-unit-get-plural">gimp_unit_get_plural</a> (<a href="libgimpbase-gimpunit.html#GimpUnit">GimpUnit</a> unit);
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#define <a href="libgimpbase-gimpunit.html#GIMP-TYPE-UNIT:CAPS">GIMP_TYPE_UNIT</a>
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#define <a href="libgimpbase-gimpunit.html#GIMP-VALUE-HOLDS-UNIT:CAPS">GIMP_VALUE_HOLDS_UNIT</a> (value)
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</pre></div><div class="refsect1" lang="en"><a name="id2562110"></a><h2>Description</h2><p>
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Provides a collection of predefined units and functions for creating
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user-defined units.
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</p></div><div class="refsect1" lang="en"><a name="id2562121"></a><h2>Details</h2><div class="refsect2" lang="en"><a name="id2562126"></a><h3><a name="GimpUnit"></a>enum GimpUnit</h3><a class="indexterm" name="id2562135"></a><pre class="programlisting">typedef enum /*< skip >*/
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{
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GIMP_UNIT_PIXEL = 0,
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GIMP_UNIT_INCH = 1,
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GIMP_UNIT_MM = 2,
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GIMP_UNIT_POINT = 3,
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GIMP_UNIT_PICA = 4,
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GIMP_UNIT_END = 5,
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GIMP_UNIT_PERCENT = 65536 /*< pdb-skip >*/
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} GimpUnit;
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</pre><p>
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</p></div><hr><div class="refsect2" lang="en"><a name="id2562148"></a><h3><a name="gimp-unit-get-number-of-units"></a>gimp_unit_get_number_of_units ()</h3><a class="indexterm" name="id2562157"></a><pre class="programlisting">gint gimp_unit_get_number_of_units (void);</pre><p>
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Returns the number of units which are known to the <a href="libgimpbase-gimpunit.html#GimpUnit"><span class="type">GimpUnit</span></a> system.</p><p>
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</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span><EFBFBD>:</span></td><td> The number of defined units.
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</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2586516"></a><h3><a name="gimp-unit-get-number-of-built-in-units"></a>gimp_unit_get_number_of_built_in_units ()</h3><a class="indexterm" name="id2586525"></a><pre class="programlisting">gint gimp_unit_get_number_of_built_in_units
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(void);</pre><p>
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Returns the number of <a href="libgimpbase-gimpunit.html#GimpUnit"><span class="type">GimpUnit</span></a>'s which are hardcoded in the unit system
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(UNIT_INCH, UNIT_MM, UNIT_POINT, UNIT_PICA and the two "pseudo unit"
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UNIT_PIXEL).</p><p>
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</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span><EFBFBD>:</span></td><td> The number of built-in units.
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</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2586567"></a><h3><a name="gimp-unit-new"></a>gimp_unit_new ()</h3><a class="indexterm" name="id2586576"></a><pre class="programlisting"><a href="libgimpbase-gimpunit.html#GimpUnit">GimpUnit</a> gimp_unit_new (gchar *identifier,
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gdouble factor,
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gint digits,
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gchar *symbol,
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gchar *abbreviation,
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gchar *singular,
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gchar *plural);</pre><p>
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Returns the integer ID of the new <a href="libgimpbase-gimpunit.html#GimpUnit"><span class="type">GimpUnit</span></a>.
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</p><p>
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Note that a new unit is always created with it's deletion flag
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set to <tt class="literal">TRUE</tt>. You will have to set it to <tt class="literal">FALSE</tt> with
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<a href="libgimpbase-gimpunit.html#gimp-unit-set-deletion-flag"><tt class="function">gimp_unit_set_deletion_flag()</tt></a> to make the unit definition persistent.</p><p>
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</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>identifier</tt></i><EFBFBD>:</span></td><td> The unit's identifier string.
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</td></tr><tr><td><span class="term"><i class="parameter"><tt>factor</tt></i><EFBFBD>:</span></td><td> The unit's factor (how many units are in one inch).
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</td></tr><tr><td><span class="term"><i class="parameter"><tt>digits</tt></i><EFBFBD>:</span></td><td> The unit's suggested number of digits (see <a href="libgimpbase-gimpunit.html#gimp-unit-get-digits"><tt class="function">gimp_unit_get_digits()</tt></a>).
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</td></tr><tr><td><span class="term"><i class="parameter"><tt>symbol</tt></i><EFBFBD>:</span></td><td> The symbol of the unit (e.g. "''" for inch).
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</td></tr><tr><td><span class="term"><i class="parameter"><tt>abbreviation</tt></i><EFBFBD>:</span></td><td> The abbreviation of the unit.
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</td></tr><tr><td><span class="term"><i class="parameter"><tt>singular</tt></i><EFBFBD>:</span></td><td> The singular form of the unit.
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</td></tr><tr><td><span class="term"><i class="parameter"><tt>plural</tt></i><EFBFBD>:</span></td><td> The plural form of the unit.
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</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span><EFBFBD>:</span></td><td> The ID of the new unit.
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</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2529100"></a><h3><a name="gimp-unit-get-deletion-flag"></a>gimp_unit_get_deletion_flag ()</h3><a class="indexterm" name="id2529109"></a><pre class="programlisting">gboolean gimp_unit_get_deletion_flag (<a href="libgimpbase-gimpunit.html#GimpUnit">GimpUnit</a> unit);</pre><p>
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</p><p>
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</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>unit</tt></i><EFBFBD>:</span></td><td> The unit you want to know the <i class="parameter"><tt>deletion_flag</tt></i> of.
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</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span><EFBFBD>:</span></td><td> The unit's <i class="parameter"><tt>deletion_flag</tt></i>.
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</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2529164"></a><h3><a name="gimp-unit-set-deletion-flag"></a>gimp_unit_set_deletion_flag ()</h3><a class="indexterm" name="id2529173"></a><pre class="programlisting">void gimp_unit_set_deletion_flag (<a href="libgimpbase-gimpunit.html#GimpUnit">GimpUnit</a> unit,
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gboolean deletion_flag);</pre><p>
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Sets a <a href="libgimpbase-gimpunit.html#GimpUnit"><span class="type">GimpUnit</span></a>'s <i class="parameter"><tt>deletion_flag</tt></i>. If the <i class="parameter"><tt>deletion_flag</tt></i> of a unit is
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<tt class="literal">TRUE</tt> when GIMP exits, this unit will not be saved in the users's
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"unitrc" file.
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</p><p>
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Trying to change the <i class="parameter"><tt>deletion_flag</tt></i> of a built-in unit will be silently
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ignored.</p><p>
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</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>unit</tt></i><EFBFBD>:</span></td><td> The unit you want to set the <i class="parameter"><tt>deletion_flag</tt></i> for.
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</td></tr><tr><td><span class="term"><i class="parameter"><tt>deletion_flag</tt></i><EFBFBD>:</span></td><td> The new deletion_flag.
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</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2529256"></a><h3><a name="gimp-unit-get-factor"></a>gimp_unit_get_factor ()</h3><a class="indexterm" name="id2529264"></a><pre class="programlisting">gdouble gimp_unit_get_factor (<a href="libgimpbase-gimpunit.html#GimpUnit">GimpUnit</a> unit);</pre><p>
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A <a href="libgimpbase-gimpunit.html#GimpUnit"><span class="type">GimpUnit</span></a>'s <i class="parameter"><tt>factor</tt></i> is defined to be:
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</p><p>
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distance_in_units == (<i class="parameter"><tt>factor</tt></i> * distance_in_inches)
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</p><p>
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Returns 0 for <i class="parameter"><tt>unit</tt></i> == GIMP_UNIT_PIXEL.</p><p>
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</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>unit</tt></i><EFBFBD>:</span></td><td> The unit you want to know the factor of.
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</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span><EFBFBD>:</span></td><td> The unit's factor.
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</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2529335"></a><h3><a name="gimp-unit-get-digits"></a>gimp_unit_get_digits ()</h3><a class="indexterm" name="id2529343"></a><pre class="programlisting">gint gimp_unit_get_digits (<a href="libgimpbase-gimpunit.html#GimpUnit">GimpUnit</a> unit);</pre><p>
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Returns the number of digits an entry field should provide to get
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approximately the same accuracy as an inch input field with two digits.
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</p><p>
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Returns 0 for <i class="parameter"><tt>unit</tt></i> == GIMP_UNIT_PIXEL.</p><p>
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</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>unit</tt></i><EFBFBD>:</span></td><td> The unit you want to know the digits.
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</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span><EFBFBD>:</span></td><td> The suggested number of digits.
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</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2588619"></a><h3><a name="gimp-unit-get-identifier"></a>gimp_unit_get_identifier ()</h3><a class="indexterm" name="id2588627"></a><pre class="programlisting">const gchar* gimp_unit_get_identifier (<a href="libgimpbase-gimpunit.html#GimpUnit">GimpUnit</a> unit);</pre><p>
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This is an unstranslated string and must not be changed or freed.</p><p>
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</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>unit</tt></i><EFBFBD>:</span></td><td> The unit you want to know the identifier of.
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</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span><EFBFBD>:</span></td><td> The unit's identifier.
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</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2588678"></a><h3><a name="gimp-unit-get-symbol"></a>gimp_unit_get_symbol ()</h3><a class="indexterm" name="id2588686"></a><pre class="programlisting">const gchar* gimp_unit_get_symbol (<a href="libgimpbase-gimpunit.html#GimpUnit">GimpUnit</a> unit);</pre><p>
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This is e.g. "''" for UNIT_INCH.
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</p><p>
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NOTE: This string must not be changed or freed.</p><p>
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</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>unit</tt></i><EFBFBD>:</span></td><td> The unit you want to know the symbol of.
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</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span><EFBFBD>:</span></td><td> The unit's symbol.
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</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2582540"></a><h3><a name="gimp-unit-get-abbreviation"></a>gimp_unit_get_abbreviation ()</h3><a class="indexterm" name="id2562867"></a><pre class="programlisting">const gchar* gimp_unit_get_abbreviation (<a href="libgimpbase-gimpunit.html#GimpUnit">GimpUnit</a> unit);</pre><p>
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For built-in units, this function returns the translated abbreviation
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of the unit.
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</p><p>
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NOTE: This string must not be changed or freed.</p><p>
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</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>unit</tt></i><EFBFBD>:</span></td><td> The unit you want to know the abbreviation of.
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</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span><EFBFBD>:</span></td><td> The unit's abbreviation.
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</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2588768"></a><h3><a name="gimp-unit-get-singular"></a>gimp_unit_get_singular ()</h3><a class="indexterm" name="id2588776"></a><pre class="programlisting">const gchar* gimp_unit_get_singular (<a href="libgimpbase-gimpunit.html#GimpUnit">GimpUnit</a> unit);</pre><p>
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For built-in units, this function returns the translated singular form
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of the unit's name.
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</p><p>
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NOTE: This string must not be changed or freed.</p><p>
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</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>unit</tt></i><EFBFBD>:</span></td><td> The unit you want to know the singular form of.
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</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span><EFBFBD>:</span></td><td> The unit's singular form.
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</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2588826"></a><h3><a name="gimp-unit-get-plural"></a>gimp_unit_get_plural ()</h3><a class="indexterm" name="id2588833"></a><pre class="programlisting">const gchar* gimp_unit_get_plural (<a href="libgimpbase-gimpunit.html#GimpUnit">GimpUnit</a> unit);</pre><p>
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For built-in units, this function returns the translated plural form
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of the unit's name.
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</p><p>
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NOTE: This string must not be changed or freed.</p><p>
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</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>unit</tt></i><EFBFBD>:</span></td><td> The unit you want to know the plural form of.
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</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span><EFBFBD>:</span></td><td> The unit's plural form.
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</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2588883"></a><h3><a name="GIMP-TYPE-UNIT:CAPS"></a>GIMP_TYPE_UNIT</h3><a class="indexterm" name="id2588890"></a><pre class="programlisting">#define GIMP_TYPE_UNIT (gimp_unit_get_type ())
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</pre><p>
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<a href="libgimpbase-gimpunit.html#GIMP-TYPE-UNIT:CAPS"><span class="type">GIMP_TYPE_UNIT</span></a> is a <span class="type">GType</span> derived from <span class="type">G_TYPE_INT</span>.
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</p></div><hr><div class="refsect2" lang="en"><a name="id2588920"></a><h3><a name="GIMP-VALUE-HOLDS-UNIT:CAPS"></a>GIMP_VALUE_HOLDS_UNIT()</h3><a class="indexterm" name="id2588928"></a><pre class="programlisting">#define GIMP_VALUE_HOLDS_UNIT(value) (G_TYPE_CHECK_VALUE_TYPE ((value), GIMP_TYPE_UNIT))
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</pre><p>
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</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>value</tt></i><EFBFBD>:</span></td><td>
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||||
|
||||
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||||
</td></tr></tbody></table></div></div></div><div class="refsect1" lang="en"><a name="id2588955"></a><h2>See Also</h2><p>
|
||||
<a
|
||||
href="../libgimpwidgets/GimpUnitMenu.html"
|
||||
><span class="type">GimpUnitMenu</span></a>
|
||||
</p><p>
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||||
<a
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||||
href="../libgimpwidgets/GimpSizeEntry.html"
|
||||
><span class="type">GimpSizeEntry</span></a>
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||||
</p></div></div><table class="navigation" width="100%" summary="Navigation footer" cellpadding="2" cellspacing="0"><tr valign="middle"><td align="left"><a accesskey="p" href="libgimpbase-gimpsignal.html"><b><<<EFBFBD>gimpsignal</b></a></td><td align="right"><a accesskey="n" href="libgimpbase-gimputils.html"><b>gimputils<EFBFBD>>></b></a></td></tr></table></body></html>
|
||||
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