683 lines
37 KiB
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683 lines
37 KiB
HTML
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<a href="#libgimpbase-gimpunit.synopsis" class="shortcut">Top</a>
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<a href="#libgimpbase-gimpunit.description" class="shortcut">Description</a>
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<div class="refentry">
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<a name="libgimpbase-gimpunit"></a><div class="titlepage"></div>
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<div class="refnamediv"><table width="100%"><tr>
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<td valign="top">
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<h2><span class="refentrytitle"><a name="libgimpbase-gimpunit.top_of_page"></a>gimpunit</span></h2>
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<p>gimpunit — Provides a collection of predefined units and
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functions for creating user-defined units.</p>
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</td>
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<td valign="top" align="right"></td>
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</tr></table></div>
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<div class="refsynopsisdiv">
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<a name="libgimpbase-gimpunit.synopsis"></a><h2>Synopsis</h2>
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<pre class="synopsis">enum <a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit">GimpUnit</a>;
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<span class="returnvalue">gint</span> <a class="link" href="libgimpbase-gimpunit.html#gimp-unit-get-number-of-units" title="gimp_unit_get_number_of_units ()">gimp_unit_get_number_of_units</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
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<span class="returnvalue">gint</span> <a class="link" href="libgimpbase-gimpunit.html#gimp-unit-get-number-of-built-in-units" title="gimp_unit_get_number_of_built_in_units ()">gimp_unit_get_number_of_built_in_units</a>
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(<em class="parameter"><code><span class="type">void</span></code></em>);
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<a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="returnvalue">GimpUnit</span></a> <a class="link" href="libgimpbase-gimpunit.html#gimp-unit-new" title="gimp_unit_new ()">gimp_unit_new</a> (<em class="parameter"><code><span class="type">gchar</span> *identifier</code></em>,
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<em class="parameter"><code><span class="type">gdouble</span> factor</code></em>,
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<em class="parameter"><code><span class="type">gint</span> digits</code></em>,
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<em class="parameter"><code><span class="type">gchar</span> *symbol</code></em>,
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<em class="parameter"><code><span class="type">gchar</span> *abbreviation</code></em>,
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<em class="parameter"><code><span class="type">gchar</span> *singular</code></em>,
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<em class="parameter"><code><span class="type">gchar</span> *plural</code></em>);
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<span class="returnvalue">gboolean</span> <a class="link" href="libgimpbase-gimpunit.html#gimp-unit-get-deletion-flag" title="gimp_unit_get_deletion_flag ()">gimp_unit_get_deletion_flag</a> (<em class="parameter"><code><a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a> unit</code></em>);
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<span class="returnvalue">void</span> <a class="link" href="libgimpbase-gimpunit.html#gimp-unit-set-deletion-flag" title="gimp_unit_set_deletion_flag ()">gimp_unit_set_deletion_flag</a> (<em class="parameter"><code><a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a> unit</code></em>,
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<em class="parameter"><code><span class="type">gboolean</span> deletion_flag</code></em>);
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<span class="returnvalue">gdouble</span> <a class="link" href="libgimpbase-gimpunit.html#gimp-unit-get-factor" title="gimp_unit_get_factor ()">gimp_unit_get_factor</a> (<em class="parameter"><code><a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a> unit</code></em>);
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<span class="returnvalue">gint</span> <a class="link" href="libgimpbase-gimpunit.html#gimp-unit-get-digits" title="gimp_unit_get_digits ()">gimp_unit_get_digits</a> (<em class="parameter"><code><a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a> unit</code></em>);
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const <span class="returnvalue">gchar</span> * <a class="link" href="libgimpbase-gimpunit.html#gimp-unit-get-identifier" title="gimp_unit_get_identifier ()">gimp_unit_get_identifier</a> (<em class="parameter"><code><a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a> unit</code></em>);
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const <span class="returnvalue">gchar</span> * <a class="link" href="libgimpbase-gimpunit.html#gimp-unit-get-symbol" title="gimp_unit_get_symbol ()">gimp_unit_get_symbol</a> (<em class="parameter"><code><a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a> unit</code></em>);
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const <span class="returnvalue">gchar</span> * <a class="link" href="libgimpbase-gimpunit.html#gimp-unit-get-abbreviation" title="gimp_unit_get_abbreviation ()">gimp_unit_get_abbreviation</a> (<em class="parameter"><code><a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a> unit</code></em>);
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const <span class="returnvalue">gchar</span> * <a class="link" href="libgimpbase-gimpunit.html#gimp-unit-get-singular" title="gimp_unit_get_singular ()">gimp_unit_get_singular</a> (<em class="parameter"><code><a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a> unit</code></em>);
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const <span class="returnvalue">gchar</span> * <a class="link" href="libgimpbase-gimpunit.html#gimp-unit-get-plural" title="gimp_unit_get_plural ()">gimp_unit_get_plural</a> (<em class="parameter"><code><a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a> unit</code></em>);
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<span class="returnvalue">gchar</span> * <a class="link" href="libgimpbase-gimpunit.html#gimp-unit-format-string" title="gimp_unit_format_string ()">gimp_unit_format_string</a> (<em class="parameter"><code>const <span class="type">gchar</span> *format</code></em>,
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<em class="parameter"><code><a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a> unit</code></em>);
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<span class="returnvalue">gdouble</span> <a class="link" href="libgimpbase-gimpunit.html#gimp-pixels-to-units" title="gimp_pixels_to_units ()">gimp_pixels_to_units</a> (<em class="parameter"><code><span class="type">gdouble</span> pixels</code></em>,
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<em class="parameter"><code><a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a> unit</code></em>,
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<em class="parameter"><code><span class="type">gdouble</span> resolution</code></em>);
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<span class="returnvalue">gdouble</span> <a class="link" href="libgimpbase-gimpunit.html#gimp-units-to-pixels" title="gimp_units_to_pixels ()">gimp_units_to_pixels</a> (<em class="parameter"><code><span class="type">gdouble</span> value</code></em>,
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<em class="parameter"><code><a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a> unit</code></em>,
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<em class="parameter"><code><span class="type">gdouble</span> resolution</code></em>);
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<span class="returnvalue">gdouble</span> <a class="link" href="libgimpbase-gimpunit.html#gimp-units-to-points" title="gimp_units_to_points ()">gimp_units_to_points</a> (<em class="parameter"><code><span class="type">gdouble</span> value</code></em>,
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<em class="parameter"><code><a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a> unit</code></em>,
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<em class="parameter"><code><span class="type">gdouble</span> resolution</code></em>);
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#define <a class="link" href="libgimpbase-gimpunit.html#GIMP-TYPE-UNIT:CAPS" title="GIMP_TYPE_UNIT">GIMP_TYPE_UNIT</a>
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#define <a class="link" href="libgimpbase-gimpunit.html#GIMP-TYPE-PARAM-UNIT:CAPS" title="GIMP_TYPE_PARAM_UNIT">GIMP_TYPE_PARAM_UNIT</a>
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#define <a class="link" href="libgimpbase-gimpunit.html#GIMP-IS-PARAM-SPEC-UNIT:CAPS" title="GIMP_IS_PARAM_SPEC_UNIT()">GIMP_IS_PARAM_SPEC_UNIT</a> (pspec)
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<span class="returnvalue">GParamSpec</span> * <a class="link" href="libgimpbase-gimpunit.html#gimp-param-spec-unit" title="gimp_param_spec_unit ()">gimp_param_spec_unit</a> (<em class="parameter"><code>const <span class="type">gchar</span> *name</code></em>,
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<em class="parameter"><code>const <span class="type">gchar</span> *nick</code></em>,
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<em class="parameter"><code>const <span class="type">gchar</span> *blurb</code></em>,
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<em class="parameter"><code><span class="type">gboolean</span> allow_pixels</code></em>,
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<em class="parameter"><code><span class="type">gboolean</span> allow_percent</code></em>,
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<em class="parameter"><code><a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a> default_value</code></em>,
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<em class="parameter"><code><span class="type">GParamFlags</span> flags</code></em>);
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#define <a class="link" href="libgimpbase-gimpunit.html#GIMP-VALUE-HOLDS-UNIT:CAPS" title="GIMP_VALUE_HOLDS_UNIT()">GIMP_VALUE_HOLDS_UNIT</a> (value)
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</pre>
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</div>
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<div class="refsect1">
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<a name="libgimpbase-gimpunit.description"></a><h2>Description</h2>
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<p>
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Provides a collection of predefined units and functions for
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creating user-defined units.
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</p>
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</div>
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<div class="refsect1">
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<a name="libgimpbase-gimpunit.details"></a><h2>Details</h2>
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<div class="refsect2">
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<a name="GimpUnit"></a><h3>enum GimpUnit</h3>
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<pre class="programlisting">typedef enum {
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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>
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<p>
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</p>
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</div>
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<hr>
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<div class="refsect2">
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<a name="gimp-unit-get-number-of-units"></a><h3>gimp_unit_get_number_of_units ()</h3>
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<pre class="programlisting"><span class="returnvalue">gint</span> gimp_unit_get_number_of_units (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
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<p>
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Returns the number of units which are known to the <a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a> system.
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</p>
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<div class="variablelist"><table border="0">
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<col align="left" valign="top">
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<tbody><tr>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
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<td>The number of defined units.</td>
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</tr></tbody>
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</table></div>
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</div>
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<hr>
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<div class="refsect2">
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<a name="gimp-unit-get-number-of-built-in-units"></a><h3>gimp_unit_get_number_of_built_in_units ()</h3>
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<pre class="programlisting"><span class="returnvalue">gint</span> gimp_unit_get_number_of_built_in_units
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(<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
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<p>
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Returns the number of <a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum 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).
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</p>
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<div class="variablelist"><table border="0">
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<col align="left" valign="top">
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<tbody><tr>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
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<td>The number of built-in units.</td>
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</tr></tbody>
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</table></div>
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</div>
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<hr>
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<div class="refsect2">
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<a name="gimp-unit-new"></a><h3>gimp_unit_new ()</h3>
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<pre class="programlisting"><a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="returnvalue">GimpUnit</span></a> gimp_unit_new (<em class="parameter"><code><span class="type">gchar</span> *identifier</code></em>,
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<em class="parameter"><code><span class="type">gdouble</span> factor</code></em>,
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<em class="parameter"><code><span class="type">gint</span> digits</code></em>,
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<em class="parameter"><code><span class="type">gchar</span> *symbol</code></em>,
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<em class="parameter"><code><span class="type">gchar</span> *abbreviation</code></em>,
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<em class="parameter"><code><span class="type">gchar</span> *singular</code></em>,
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<em class="parameter"><code><span class="type">gchar</span> *plural</code></em>);</pre>
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<p>
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Returns the integer ID of the new <a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a>.
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</p>
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<p>
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Note that a new unit is always created with it's deletion flag
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set to <code class="literal">TRUE</code>. You will have to set it to <code class="literal">FALSE</code> with
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<a class="link" href="libgimpbase-gimpunit.html#gimp-unit-set-deletion-flag" title="gimp_unit_set_deletion_flag ()"><code class="function">gimp_unit_set_deletion_flag()</code></a> to make the unit definition persistent.
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</p>
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<div class="variablelist"><table border="0">
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<col align="left" valign="top">
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<tbody>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>identifier</code></em> :</span></p></td>
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<td>The unit's identifier string.</td>
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</tr>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>factor</code></em> :</span></p></td>
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<td>The unit's factor (how many units are in one inch).</td>
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</tr>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>digits</code></em> :</span></p></td>
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<td>The unit's suggested number of digits (see <a class="link" href="libgimpbase-gimpunit.html#gimp-unit-get-digits" title="gimp_unit_get_digits ()"><code class="function">gimp_unit_get_digits()</code></a>).</td>
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</tr>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>symbol</code></em> :</span></p></td>
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<td>The symbol of the unit (e.g. "''" for inch).</td>
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</tr>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>abbreviation</code></em> :</span></p></td>
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<td>The abbreviation of the unit.</td>
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</tr>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>singular</code></em> :</span></p></td>
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<td>The singular form of the unit.</td>
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</tr>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>plural</code></em> :</span></p></td>
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<td>The plural form of the unit.</td>
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</tr>
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<tr>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
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<td>The ID of the new unit.</td>
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</tr>
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</tbody>
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</table></div>
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</div>
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<hr>
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<div class="refsect2">
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<a name="gimp-unit-get-deletion-flag"></a><h3>gimp_unit_get_deletion_flag ()</h3>
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<pre class="programlisting"><span class="returnvalue">gboolean</span> gimp_unit_get_deletion_flag (<em class="parameter"><code><a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a> unit</code></em>);</pre>
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<div class="variablelist"><table border="0">
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<col align="left" valign="top">
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<tbody>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>unit</code></em> :</span></p></td>
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<td>The unit you want to know the <em class="parameter"><code>deletion_flag</code></em> of.</td>
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</tr>
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<tr>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
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<td>The unit's <em class="parameter"><code>deletion_flag</code></em>.</td>
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</tr>
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</tbody>
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</table></div>
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</div>
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<hr>
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<div class="refsect2">
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<a name="gimp-unit-set-deletion-flag"></a><h3>gimp_unit_set_deletion_flag ()</h3>
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<pre class="programlisting"><span class="returnvalue">void</span> gimp_unit_set_deletion_flag (<em class="parameter"><code><a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a> unit</code></em>,
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<em class="parameter"><code><span class="type">gboolean</span> deletion_flag</code></em>);</pre>
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<p>
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Sets a <a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a>'s <em class="parameter"><code>deletion_flag</code></em>. If the <em class="parameter"><code>deletion_flag</code></em> of a unit is
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<code class="literal">TRUE</code> when GIMP exits, this unit will not be saved in the users's
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"unitrc" file.
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</p>
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<p>
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Trying to change the <em class="parameter"><code>deletion_flag</code></em> of a built-in unit will be silently
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ignored.
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</p>
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<div class="variablelist"><table border="0">
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<col align="left" valign="top">
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<tbody>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>unit</code></em> :</span></p></td>
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<td>The unit you want to set the <em class="parameter"><code>deletion_flag</code></em> for.</td>
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</tr>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>deletion_flag</code></em> :</span></p></td>
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<td>The new deletion_flag.</td>
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</tr>
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</tbody>
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</table></div>
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</div>
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<hr>
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<div class="refsect2">
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<a name="gimp-unit-get-factor"></a><h3>gimp_unit_get_factor ()</h3>
|
||
<pre class="programlisting"><span class="returnvalue">gdouble</span> gimp_unit_get_factor (<em class="parameter"><code><a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a> unit</code></em>);</pre>
|
||
<p>
|
||
A <a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a>'s <em class="parameter"><code>factor</code></em> is defined to be:
|
||
</p>
|
||
<p>
|
||
distance_in_units == (<em class="parameter"><code>factor</code></em> * distance_in_inches)
|
||
</p>
|
||
<p>
|
||
Returns 0 for <em class="parameter"><code>unit</code></em> == GIMP_UNIT_PIXEL.
|
||
</p>
|
||
<div class="variablelist"><table border="0">
|
||
<col align="left" valign="top">
|
||
<tbody>
|
||
<tr>
|
||
<td><p><span class="term"><em class="parameter"><code>unit</code></em> :</span></p></td>
|
||
<td>The unit you want to know the factor of.</td>
|
||
</tr>
|
||
<tr>
|
||
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
|
||
<td>The unit's factor.</td>
|
||
</tr>
|
||
</tbody>
|
||
</table></div>
|
||
</div>
|
||
<hr>
|
||
<div class="refsect2">
|
||
<a name="gimp-unit-get-digits"></a><h3>gimp_unit_get_digits ()</h3>
|
||
<pre class="programlisting"><span class="returnvalue">gint</span> gimp_unit_get_digits (<em class="parameter"><code><a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a> unit</code></em>);</pre>
|
||
<p>
|
||
Returns the number of digits an entry field should provide to get
|
||
approximately the same accuracy as an inch input field with two digits.
|
||
</p>
|
||
<p>
|
||
Returns 0 for <em class="parameter"><code>unit</code></em> == GIMP_UNIT_PIXEL.
|
||
</p>
|
||
<div class="variablelist"><table border="0">
|
||
<col align="left" valign="top">
|
||
<tbody>
|
||
<tr>
|
||
<td><p><span class="term"><em class="parameter"><code>unit</code></em> :</span></p></td>
|
||
<td>The unit you want to know the digits.</td>
|
||
</tr>
|
||
<tr>
|
||
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
|
||
<td>The suggested number of digits.</td>
|
||
</tr>
|
||
</tbody>
|
||
</table></div>
|
||
</div>
|
||
<hr>
|
||
<div class="refsect2">
|
||
<a name="gimp-unit-get-identifier"></a><h3>gimp_unit_get_identifier ()</h3>
|
||
<pre class="programlisting">const <span class="returnvalue">gchar</span> * gimp_unit_get_identifier (<em class="parameter"><code><a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a> unit</code></em>);</pre>
|
||
<p>
|
||
This is an unstranslated string and must not be changed or freed.
|
||
</p>
|
||
<div class="variablelist"><table border="0">
|
||
<col align="left" valign="top">
|
||
<tbody>
|
||
<tr>
|
||
<td><p><span class="term"><em class="parameter"><code>unit</code></em> :</span></p></td>
|
||
<td>The unit you want to know the identifier of.</td>
|
||
</tr>
|
||
<tr>
|
||
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
|
||
<td>The unit's identifier.</td>
|
||
</tr>
|
||
</tbody>
|
||
</table></div>
|
||
</div>
|
||
<hr>
|
||
<div class="refsect2">
|
||
<a name="gimp-unit-get-symbol"></a><h3>gimp_unit_get_symbol ()</h3>
|
||
<pre class="programlisting">const <span class="returnvalue">gchar</span> * gimp_unit_get_symbol (<em class="parameter"><code><a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a> unit</code></em>);</pre>
|
||
<p>
|
||
This is e.g. "''" for UNIT_INCH.
|
||
</p>
|
||
<p>
|
||
NOTE: This string must not be changed or freed.
|
||
</p>
|
||
<div class="variablelist"><table border="0">
|
||
<col align="left" valign="top">
|
||
<tbody>
|
||
<tr>
|
||
<td><p><span class="term"><em class="parameter"><code>unit</code></em> :</span></p></td>
|
||
<td>The unit you want to know the symbol of.</td>
|
||
</tr>
|
||
<tr>
|
||
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
|
||
<td>The unit's symbol.</td>
|
||
</tr>
|
||
</tbody>
|
||
</table></div>
|
||
</div>
|
||
<hr>
|
||
<div class="refsect2">
|
||
<a name="gimp-unit-get-abbreviation"></a><h3>gimp_unit_get_abbreviation ()</h3>
|
||
<pre class="programlisting">const <span class="returnvalue">gchar</span> * gimp_unit_get_abbreviation (<em class="parameter"><code><a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a> unit</code></em>);</pre>
|
||
<p>
|
||
For built-in units, this function returns the translated abbreviation
|
||
of the unit.
|
||
</p>
|
||
<p>
|
||
NOTE: This string must not be changed or freed.
|
||
</p>
|
||
<div class="variablelist"><table border="0">
|
||
<col align="left" valign="top">
|
||
<tbody>
|
||
<tr>
|
||
<td><p><span class="term"><em class="parameter"><code>unit</code></em> :</span></p></td>
|
||
<td>The unit you want to know the abbreviation of.</td>
|
||
</tr>
|
||
<tr>
|
||
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
|
||
<td>The unit's abbreviation.</td>
|
||
</tr>
|
||
</tbody>
|
||
</table></div>
|
||
</div>
|
||
<hr>
|
||
<div class="refsect2">
|
||
<a name="gimp-unit-get-singular"></a><h3>gimp_unit_get_singular ()</h3>
|
||
<pre class="programlisting">const <span class="returnvalue">gchar</span> * gimp_unit_get_singular (<em class="parameter"><code><a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a> unit</code></em>);</pre>
|
||
<p>
|
||
For built-in units, this function returns the translated singular form
|
||
of the unit's name.
|
||
</p>
|
||
<p>
|
||
NOTE: This string must not be changed or freed.
|
||
</p>
|
||
<div class="variablelist"><table border="0">
|
||
<col align="left" valign="top">
|
||
<tbody>
|
||
<tr>
|
||
<td><p><span class="term"><em class="parameter"><code>unit</code></em> :</span></p></td>
|
||
<td>The unit you want to know the singular form of.</td>
|
||
</tr>
|
||
<tr>
|
||
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
|
||
<td>The unit's singular form.</td>
|
||
</tr>
|
||
</tbody>
|
||
</table></div>
|
||
</div>
|
||
<hr>
|
||
<div class="refsect2">
|
||
<a name="gimp-unit-get-plural"></a><h3>gimp_unit_get_plural ()</h3>
|
||
<pre class="programlisting">const <span class="returnvalue">gchar</span> * gimp_unit_get_plural (<em class="parameter"><code><a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a> unit</code></em>);</pre>
|
||
<p>
|
||
For built-in units, this function returns the translated plural form
|
||
of the unit's name.
|
||
</p>
|
||
<p>
|
||
NOTE: This string must not be changed or freed.
|
||
</p>
|
||
<div class="variablelist"><table border="0">
|
||
<col align="left" valign="top">
|
||
<tbody>
|
||
<tr>
|
||
<td><p><span class="term"><em class="parameter"><code>unit</code></em> :</span></p></td>
|
||
<td>The unit you want to know the plural form of.</td>
|
||
</tr>
|
||
<tr>
|
||
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
|
||
<td>The unit's plural form.</td>
|
||
</tr>
|
||
</tbody>
|
||
</table></div>
|
||
</div>
|
||
<hr>
|
||
<div class="refsect2">
|
||
<a name="gimp-unit-format-string"></a><h3>gimp_unit_format_string ()</h3>
|
||
<pre class="programlisting"><span class="returnvalue">gchar</span> * gimp_unit_format_string (<em class="parameter"><code>const <span class="type">gchar</span> *format</code></em>,
|
||
<em class="parameter"><code><a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a> unit</code></em>);</pre>
|
||
<p>
|
||
The <em class="parameter"><code>format</code></em> string supports the following percent expansions:
|
||
</p>
|
||
<p>
|
||
</p>
|
||
<div class="informaltable"><table width="100%" border="0">
|
||
<colgroup>
|
||
<col>
|
||
<col>
|
||
</colgroup>
|
||
<tbody>
|
||
<tr>
|
||
<td>% f</td>
|
||
<td>Factor (how many units make up an inch)</td>
|
||
</tr>
|
||
<tr>
|
||
<td>% y</td>
|
||
<td>Symbol (e.g. "''" for GIMP_UNIT_INCH)</td>
|
||
</tr>
|
||
<tr>
|
||
<td>% a</td>
|
||
<td>Abbreviation</td>
|
||
</tr>
|
||
<tr>
|
||
<td>% s</td>
|
||
<td>Singular</td>
|
||
</tr>
|
||
<tr>
|
||
<td>% p</td>
|
||
<td>Plural</td>
|
||
</tr>
|
||
<tr>
|
||
<td>%%</td>
|
||
<td>Literal percent</td>
|
||
</tr>
|
||
</tbody>
|
||
</table></div>
|
||
<p>
|
||
</p>
|
||
<div class="variablelist"><table border="0">
|
||
<col align="left" valign="top">
|
||
<tbody>
|
||
<tr>
|
||
<td><p><span class="term"><em class="parameter"><code>format</code></em> :</span></p></td>
|
||
<td>A printf-like format string which is used to create the unit
|
||
string.</td>
|
||
</tr>
|
||
<tr>
|
||
<td><p><span class="term"><em class="parameter"><code>unit</code></em> :</span></p></td>
|
||
<td>A unit.</td>
|
||
</tr>
|
||
<tr>
|
||
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
|
||
<td>A newly allocated string with above percent expressions
|
||
replaced with the resp. strings for <em class="parameter"><code>unit</code></em>.</td>
|
||
</tr>
|
||
</tbody>
|
||
</table></div>
|
||
<p class="since">Since GIMP 2.8</p>
|
||
</div>
|
||
<hr>
|
||
<div class="refsect2">
|
||
<a name="gimp-pixels-to-units"></a><h3>gimp_pixels_to_units ()</h3>
|
||
<pre class="programlisting"><span class="returnvalue">gdouble</span> gimp_pixels_to_units (<em class="parameter"><code><span class="type">gdouble</span> pixels</code></em>,
|
||
<em class="parameter"><code><a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a> unit</code></em>,
|
||
<em class="parameter"><code><span class="type">gdouble</span> resolution</code></em>);</pre>
|
||
<p>
|
||
Converts a <em class="parameter"><code>value</code></em> specified in pixels to <em class="parameter"><code>unit</code></em>.
|
||
</p>
|
||
<div class="variablelist"><table border="0">
|
||
<col align="left" valign="top">
|
||
<tbody>
|
||
<tr>
|
||
<td><p><span class="term"><em class="parameter"><code>pixels</code></em> :</span></p></td>
|
||
<td>value in pixels</td>
|
||
</tr>
|
||
<tr>
|
||
<td><p><span class="term"><em class="parameter"><code>unit</code></em> :</span></p></td>
|
||
<td>unit to convert to</td>
|
||
</tr>
|
||
<tr>
|
||
<td><p><span class="term"><em class="parameter"><code>resolution</code></em> :</span></p></td>
|
||
<td>resloution in DPI</td>
|
||
</tr>
|
||
<tr>
|
||
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
|
||
<td>
|
||
<em class="parameter"><code>pixels</code></em> converted to units.</td>
|
||
</tr>
|
||
</tbody>
|
||
</table></div>
|
||
<p class="since">Since GIMP 2.8</p>
|
||
</div>
|
||
<hr>
|
||
<div class="refsect2">
|
||
<a name="gimp-units-to-pixels"></a><h3>gimp_units_to_pixels ()</h3>
|
||
<pre class="programlisting"><span class="returnvalue">gdouble</span> gimp_units_to_pixels (<em class="parameter"><code><span class="type">gdouble</span> value</code></em>,
|
||
<em class="parameter"><code><a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a> unit</code></em>,
|
||
<em class="parameter"><code><span class="type">gdouble</span> resolution</code></em>);</pre>
|
||
<p>
|
||
Converts a <em class="parameter"><code>value</code></em> specified in <em class="parameter"><code>unit</code></em> to pixels.
|
||
</p>
|
||
<div class="variablelist"><table border="0">
|
||
<col align="left" valign="top">
|
||
<tbody>
|
||
<tr>
|
||
<td><p><span class="term"><em class="parameter"><code>value</code></em> :</span></p></td>
|
||
<td>value in units</td>
|
||
</tr>
|
||
<tr>
|
||
<td><p><span class="term"><em class="parameter"><code>unit</code></em> :</span></p></td>
|
||
<td>unit of <em class="parameter"><code>value</code></em>
|
||
</td>
|
||
</tr>
|
||
<tr>
|
||
<td><p><span class="term"><em class="parameter"><code>resolution</code></em> :</span></p></td>
|
||
<td>resloution in DPI</td>
|
||
</tr>
|
||
<tr>
|
||
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
|
||
<td>
|
||
<em class="parameter"><code>value</code></em> converted to pixels.</td>
|
||
</tr>
|
||
</tbody>
|
||
</table></div>
|
||
<p class="since">Since GIMP 2.8</p>
|
||
</div>
|
||
<hr>
|
||
<div class="refsect2">
|
||
<a name="gimp-units-to-points"></a><h3>gimp_units_to_points ()</h3>
|
||
<pre class="programlisting"><span class="returnvalue">gdouble</span> gimp_units_to_points (<em class="parameter"><code><span class="type">gdouble</span> value</code></em>,
|
||
<em class="parameter"><code><a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a> unit</code></em>,
|
||
<em class="parameter"><code><span class="type">gdouble</span> resolution</code></em>);</pre>
|
||
<p>
|
||
Converts a <em class="parameter"><code>value</code></em> specified in <em class="parameter"><code>unit</code></em> to points.
|
||
</p>
|
||
<div class="variablelist"><table border="0">
|
||
<col align="left" valign="top">
|
||
<tbody>
|
||
<tr>
|
||
<td><p><span class="term"><em class="parameter"><code>value</code></em> :</span></p></td>
|
||
<td>value in units</td>
|
||
</tr>
|
||
<tr>
|
||
<td><p><span class="term"><em class="parameter"><code>unit</code></em> :</span></p></td>
|
||
<td>unit of <em class="parameter"><code>value</code></em>
|
||
</td>
|
||
</tr>
|
||
<tr>
|
||
<td><p><span class="term"><em class="parameter"><code>resolution</code></em> :</span></p></td>
|
||
<td>resloution in DPI</td>
|
||
</tr>
|
||
<tr>
|
||
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
|
||
<td>
|
||
<em class="parameter"><code>value</code></em> converted to points.</td>
|
||
</tr>
|
||
</tbody>
|
||
</table></div>
|
||
<p class="since">Since GIMP 2.8</p>
|
||
</div>
|
||
<hr>
|
||
<div class="refsect2">
|
||
<a name="GIMP-TYPE-UNIT:CAPS"></a><h3>GIMP_TYPE_UNIT</h3>
|
||
<pre class="programlisting">#define GIMP_TYPE_UNIT (gimp_unit_get_type ())
|
||
</pre>
|
||
<p>
|
||
<a class="link" href="libgimpbase-gimpunit.html#GIMP-TYPE-UNIT:CAPS" title="GIMP_TYPE_UNIT"><span class="type">GIMP_TYPE_UNIT</span></a> is a <span class="type">GType</span> derived from <span class="type">G_TYPE_INT</span>.
|
||
</p>
|
||
</div>
|
||
<hr>
|
||
<div class="refsect2">
|
||
<a name="GIMP-TYPE-PARAM-UNIT:CAPS"></a><h3>GIMP_TYPE_PARAM_UNIT</h3>
|
||
<pre class="programlisting">#define GIMP_TYPE_PARAM_UNIT (gimp_param_unit_get_type ())
|
||
</pre>
|
||
<p>
|
||
</p>
|
||
</div>
|
||
<hr>
|
||
<div class="refsect2">
|
||
<a name="GIMP-IS-PARAM-SPEC-UNIT:CAPS"></a><h3>GIMP_IS_PARAM_SPEC_UNIT()</h3>
|
||
<pre class="programlisting">#define GIMP_IS_PARAM_SPEC_UNIT(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), GIMP_TYPE_PARAM_UNIT))
|
||
</pre>
|
||
<p>
|
||
</p>
|
||
</div>
|
||
<hr>
|
||
<div class="refsect2">
|
||
<a name="gimp-param-spec-unit"></a><h3>gimp_param_spec_unit ()</h3>
|
||
<pre class="programlisting"><span class="returnvalue">GParamSpec</span> * gimp_param_spec_unit (<em class="parameter"><code>const <span class="type">gchar</span> *name</code></em>,
|
||
<em class="parameter"><code>const <span class="type">gchar</span> *nick</code></em>,
|
||
<em class="parameter"><code>const <span class="type">gchar</span> *blurb</code></em>,
|
||
<em class="parameter"><code><span class="type">gboolean</span> allow_pixels</code></em>,
|
||
<em class="parameter"><code><span class="type">gboolean</span> allow_percent</code></em>,
|
||
<em class="parameter"><code><a class="link" href="libgimpbase-gimpunit.html#GimpUnit" title="enum GimpUnit"><span class="type">GimpUnit</span></a> default_value</code></em>,
|
||
<em class="parameter"><code><span class="type">GParamFlags</span> flags</code></em>);</pre>
|
||
<p>
|
||
Creates a param spec to hold a units param.
|
||
See <code class="function">g_param_spec_internal()</code> for more information.
|
||
</p>
|
||
<div class="variablelist"><table border="0">
|
||
<col align="left" valign="top">
|
||
<tbody>
|
||
<tr>
|
||
<td><p><span class="term"><em class="parameter"><code>name</code></em> :</span></p></td>
|
||
<td>Canonical name of the param</td>
|
||
</tr>
|
||
<tr>
|
||
<td><p><span class="term"><em class="parameter"><code>nick</code></em> :</span></p></td>
|
||
<td>Nickname of the param</td>
|
||
</tr>
|
||
<tr>
|
||
<td><p><span class="term"><em class="parameter"><code>blurb</code></em> :</span></p></td>
|
||
<td>Brief desciption of param.</td>
|
||
</tr>
|
||
<tr>
|
||
<td><p><span class="term"><em class="parameter"><code>allow_pixels</code></em> :</span></p></td>
|
||
<td>Whether "pixels" is an allowed unit.</td>
|
||
</tr>
|
||
<tr>
|
||
<td><p><span class="term"><em class="parameter"><code>allow_percent</code></em> :</span></p></td>
|
||
<td>Whether "perecent" is an allowed unit.</td>
|
||
</tr>
|
||
<tr>
|
||
<td><p><span class="term"><em class="parameter"><code>default_value</code></em> :</span></p></td>
|
||
<td>Unit to use if none is assigned.</td>
|
||
</tr>
|
||
<tr>
|
||
<td><p><span class="term"><em class="parameter"><code>flags</code></em> :</span></p></td>
|
||
<td>a combination of <span class="type">GParamFlags</span>
|
||
</td>
|
||
</tr>
|
||
<tr>
|
||
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
|
||
<td>a newly allocated <span class="type">GParamSpec</span> instance</td>
|
||
</tr>
|
||
</tbody>
|
||
</table></div>
|
||
<p class="since">Since GIMP 2.4</p>
|
||
</div>
|
||
<hr>
|
||
<div class="refsect2">
|
||
<a name="GIMP-VALUE-HOLDS-UNIT:CAPS"></a><h3>GIMP_VALUE_HOLDS_UNIT()</h3>
|
||
<pre class="programlisting">#define GIMP_VALUE_HOLDS_UNIT(value) (G_TYPE_CHECK_VALUE_TYPE ((value), GIMP_TYPE_UNIT))
|
||
</pre>
|
||
<p>
|
||
</p>
|
||
</div>
|
||
</div>
|
||
<div class="refsect1">
|
||
<a name="libgimpbase-gimpunit.see-also"></a><h2>See Also</h2>
|
||
<a href="/local/head/share/gtk-doc/html/libgimpwidgets/GimpUnitMenu.html"><span class="type">GimpUnitMenu</span></a>, <a href="/local/head/share/gtk-doc/html/libgimpwidgets/GimpSizeEntry.html"><span class="type">GimpSizeEntry</span></a>.
|
||
</div>
|
||
</div>
|
||
<div class="footer">
|
||
<hr>
|
||
Generated by GTK-Doc V1.18</div>
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|
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