98 lines
4.0 KiB
XML
98 lines
4.0 KiB
XML
<?xml version="1.0" encoding="UTF-8" ?>
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd">
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<refentry id="libgimpbase-gimplimits">
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<refmeta>
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<refentrytitle role="top_of_page" id="libgimpbase-gimplimits.top_of_page">gimplimits</refentrytitle>
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<manvolnum>3</manvolnum>
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<refmiscinfo>LIBGIMPBASE Library</refmiscinfo>
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</refmeta>
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<refnamediv>
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<refname>gimplimits</refname>
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<refpurpose>Boundaries of some GIMP data types and some global constants.</refpurpose>
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</refnamediv>
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<refsynopsisdiv id="libgimpbase-gimplimits.synopsis" role="synopsis">
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<title role="synopsis.title">Synopsis</title>
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<synopsis>
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#define <link linkend="GIMP-MIN-IMAGE-SIZE--CAPS">GIMP_MIN_IMAGE_SIZE</link>
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#define <link linkend="GIMP-MAX-IMAGE-SIZE--CAPS">GIMP_MAX_IMAGE_SIZE</link>
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#define <link linkend="GIMP-MIN-RESOLUTION--CAPS">GIMP_MIN_RESOLUTION</link>
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#define <link linkend="GIMP-MAX-RESOLUTION--CAPS">GIMP_MAX_RESOLUTION</link>
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#define <link linkend="GIMP-MAX-MEMSIZE--CAPS">GIMP_MAX_MEMSIZE</link>
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</synopsis>
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</refsynopsisdiv>
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<refsect1 id="libgimpbase-gimplimits.description" role="desc">
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<title role="desc.title">Description</title>
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<para>
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Boundaries of some GIMP data types and some global constants.
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</para>
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</refsect1>
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<refsect1 id="libgimpbase-gimplimits.details" role="details">
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<title role="details.title">Details</title>
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<refsect2 id="GIMP-MIN-IMAGE-SIZE--CAPS" role="macro">
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<title>GIMP_MIN_IMAGE_SIZE</title>
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<indexterm zone="GIMP-MIN-IMAGE-SIZE--CAPS"><primary sortas="GIMP_MIN_IMAGE_SIZE">GIMP_MIN_IMAGE_SIZE</primary></indexterm><programlisting>#define GIMP_MIN_IMAGE_SIZE 1
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</programlisting>
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<para>
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The minimum width and height of a GIMP image in pixels.
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</para></refsect2>
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<refsect2 id="GIMP-MAX-IMAGE-SIZE--CAPS" role="macro">
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<title>GIMP_MAX_IMAGE_SIZE</title>
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<indexterm zone="GIMP-MAX-IMAGE-SIZE--CAPS"><primary sortas="GIMP_MAX_IMAGE_SIZE">GIMP_MAX_IMAGE_SIZE</primary></indexterm><programlisting>#define GIMP_MAX_IMAGE_SIZE 262144 /* 2^18 */
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</programlisting>
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<para>
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The maximum width and height of a GIMP image in pixels. This is a
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somewhat arbitray value that can be used when an upper value for pixel
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sizes is needed; for example to give a spin button an upper limit.
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</para></refsect2>
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<refsect2 id="GIMP-MIN-RESOLUTION--CAPS" role="macro">
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<title>GIMP_MIN_RESOLUTION</title>
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<indexterm zone="GIMP-MIN-RESOLUTION--CAPS"><primary sortas="GIMP_MIN_RESOLUTION">GIMP_MIN_RESOLUTION</primary></indexterm><programlisting>#define GIMP_MIN_RESOLUTION 5e-3 /* shouldn't display as 0.000 */
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</programlisting>
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<para>
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The minimum resolution of a GIMP image in pixels per inch. This is a
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somewhat arbitray value that can be used to when a lower value for a
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resolution is needed. GIMP will not accept resolutions smaller than
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this value.
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</para></refsect2>
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<refsect2 id="GIMP-MAX-RESOLUTION--CAPS" role="macro">
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<title>GIMP_MAX_RESOLUTION</title>
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<indexterm zone="GIMP-MAX-RESOLUTION--CAPS"><primary sortas="GIMP_MAX_RESOLUTION">GIMP_MAX_RESOLUTION</primary></indexterm><programlisting>#define GIMP_MAX_RESOLUTION 65536.0
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</programlisting>
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<para>
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The maximum resolution of a GIMP image in pixels per inch. This is a
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somewhat arbitray value that can be used to when an upper value for a
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resolution is needed. GIMP will not accept resolutions larger than
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this value.
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</para></refsect2>
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<refsect2 id="GIMP-MAX-MEMSIZE--CAPS" role="macro">
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<title>GIMP_MAX_MEMSIZE</title>
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<indexterm zone="GIMP-MAX-MEMSIZE--CAPS"><primary sortas="GIMP_MAX_MEMSIZE">GIMP_MAX_MEMSIZE</primary></indexterm><programlisting>#define GIMP_MAX_MEMSIZE ((guint64) 1 << 42) /* 4 terabyte;
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</programlisting>
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<para>
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A large but arbitrary value that can be used when an upper limit for a
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memory size (in bytes) is needed. It is smaller than <link linkend="G-MAXDOUBLE--CAPS"><literal>G_MAXDOUBLE</literal></link> since
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the <link linkend="GimpMemsizeEntry"><type>GimpMemsizeEntry</type></link> doesn't handle larger values.
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</para></refsect2>
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</refsect1>
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</refentry>
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