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doc-fr/reference/image/constants.xml
2024-07-02 05:36:21 +01:00

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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: 7f5d646f3ee39231150e767fb876b56610f56c2b Maintainer: yannick Status: ready -->
<!-- Reviewed: yes -->
<appendix xml:id="image.constants" xmlns="http://docbook.org/ns/docbook">
&reftitle.constants;
&extension.constants;
<variablelist>
<varlistentry xml:id="constant.gd-version">
<term>
<constant>GD_VERSION</constant>
(<type>string</type>)
</term>
<listitem>
<simpara>
La version GD de PHP.
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.gd-major-version">
<term>
<constant>GD_MAJOR_VERSION</constant>
(<type>int</type>)
</term>
<listitem>
<simpara>
La version majeur GD de PHP.
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.gd-minor-version">
<term>
<constant>GD_MINOR_VERSION</constant>
(<type>int</type>)
</term>
<listitem>
<simpara>
La version mineure GD de PHP.
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.gd-release-version">
<term>
<constant>GD_RELEASE_VERSION</constant>
(<type>int</type>)
</term>
<listitem>
<simpara>
La version GD fourni avec PHP.
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.gd-extra-version">
<term>
<constant>GD_EXTRA_VERSION</constant>
(<type>string</type>)
</term>
<listitem>
<simpara>
La version "extra" GD (beta/rc..) de PHP.
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.gd-bundled">
<term>
<constant>GD_BUNDLED</constant>
(<type>int</type>)
</term>
<listitem>
<simpara>
Lorsque la version interne de GD est utilisée, cette constante vaut 1,
sinon, elle vaut 0.
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-avif">
<term>
<constant>IMG_AVIF</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.types;
<simpara>
(Disponible à partir de PHP 8.1.0)
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-bmp">
<term>
<constant>IMG_BMP</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.types;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-gif">
<term>
<constant>IMG_GIF</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.types;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-jpg">
<term>
<constant>IMG_JPG</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.types;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-jpeg">
<term>
<constant>IMG_JPEG</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.types;
<note>
<para>
Cette constante à la même valeur que <constant>IMG_JPG</constant>
</para>
</note>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-png">
<term>
<constant>IMG_PNG</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.types;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-tga">
<term>
<constant>IMG_TGA</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.types;
<simpara>
(Disponible à partir de PHP 7.4.0)
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-wbmp">
<term>
<constant>IMG_WBMP</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.types;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-xpm">
<term>
<constant>IMG_XPM</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.types;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-webp">
<term>
<constant>IMG_WEBP</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.types;
<simpara>
(Disponible à partir de PHP 7.0.10)
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-webp-lossless">
<term>
<constant>IMG_WEBP_LOSSLESS</constant>
(<type>int</type>)
</term>
<listitem>
<simpara>
(Disponible à partir de PHP 8.1.0)
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-color-tiled">
<term>
<constant>IMG_COLOR_TILED</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.color;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-color-styled">
<term>
<constant>IMG_COLOR_STYLED</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.color;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-color-brushed">
<term>
<constant>IMG_COLOR_BRUSHED</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.color;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-color-styledbrushed">
<term>
<constant>IMG_COLOR_STYLEDBRUSHED</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.color;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-color-transparent">
<term>
<constant>IMG_COLOR_TRANSPARENT</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.color;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-affine-translate">
<term>
<constant>IMG_AFFINE_TRANSLATE</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.affine;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-affine-scale">
<term>
<constant>IMG_AFFINE_SCALE</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.affine;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-affine-rotate">
<term>
<constant>IMG_AFFINE_ROTATE</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.affine;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-affine-shear-horizontal">
<term>
<constant>IMG_AFFINE_SHEAR_HORIZONTAL</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.affine;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-affine-shear-vertical">
<term>
<constant>IMG_AFFINE_SHEAR_VERTICAL</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.affine;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-arc-rounded">
<term>
<constant>IMG_ARC_ROUNDED</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.arc;
<note>
<para>
Cette constante à la même valeur que <constant>IMG_ARC_PIE</constant>
</para>
</note>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-arc-pie">
<term>
<constant>IMG_ARC_PIE</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.arc;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-arc-chord">
<term>
<constant>IMG_ARC_CHORD</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.arc;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-arc-nofill">
<term>
<constant>IMG_ARC_NOFILL</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.arc;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-arc-edged">
<term>
<constant>IMG_ARC_EDGED</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.arc;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-gd2-raw">
<term>
<constant>IMG_GD2_RAW</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.gd2;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-gd2-compressed">
<term>
<constant>IMG_GD2_COMPRESSED</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.gd2;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-effect-replace">
<term>
<constant>IMG_EFFECT_REPLACE</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.effect;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-effect-alphablend">
<term>
<constant>IMG_EFFECT_ALPHABLEND</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.effect;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-effect-normal">
<term>
<constant>IMG_EFFECT_NORMAL</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.effect;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-effect-overlay">
<term>
<constant>IMG_EFFECT_OVERLAY</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.effect;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-effect-multiply">
<term>
<constant>IMG_EFFECT_MULTIPLY</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.effect;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-filter-negate">
<term>
<constant>IMG_FILTER_NEGATE</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.filter;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-filter-grayscale">
<term>
<constant>IMG_FILTER_GRAYSCALE</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.filter;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-filter-brightness">
<term>
<constant>IMG_FILTER_BRIGHTNESS</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.filter;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-filter-contrast">
<term>
<constant>IMG_FILTER_CONTRAST</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.filter;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-filter-colorize">
<term>
<constant>IMG_FILTER_COLORIZE</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.filter;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-filter-edgedetect">
<term>
<constant>IMG_FILTER_EDGEDETECT</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.filter;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-filter-gaussian-blur">
<term>
<constant>IMG_FILTER_GAUSSIAN_BLUR</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.filter;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-filter-selective-blur">
<term>
<constant>IMG_FILTER_SELECTIVE_BLUR</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.filter;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-filter-emboss">
<term>
<constant>IMG_FILTER_EMBOSS</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.filter;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-filter-mean-removal">
<term>
<constant>IMG_FILTER_MEAN_REMOVAL</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.filter;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-filter-smooth">
<term>
<constant>IMG_FILTER_SMOOTH</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.filter;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-filter-pixelate">
<term>
<constant>IMG_FILTER_PIXELATE</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.filter;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-filter-scatter">
<term>
<constant>IMG_FILTER_SCATTER</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.filter;
<simpara>
(Disponible à partir de PHP 7.4.0)
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.imagetype-gif">
<term>
<constant>IMAGETYPE_GIF</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.type;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.imagetype-jpeg">
<term>
<constant>IMAGETYPE_JPEG</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.type;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.imagetype-jpeg2000">
<term>
<constant>IMAGETYPE_JPEG2000</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.type;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.imagetype-png">
<term>
<constant>IMAGETYPE_PNG</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.type;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.imagetype-swf">
<term>
<constant>IMAGETYPE_SWF</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.type;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.imagetype-psd">
<term>
<constant>IMAGETYPE_PSD</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.type;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.imagetype-bmp">
<term>
<constant>IMAGETYPE_BMP</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.type;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.imagetype-wbmp">
<term>
<constant>IMAGETYPE_WBMP</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.type;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.imagetype-xbm">
<term>
<constant>IMAGETYPE_XBM</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.type;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.imagetype-tiff-ii">
<term>
<constant>IMAGETYPE_TIFF_II</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.type;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.imagetype-tiff-mm">
<term>
<constant>IMAGETYPE_TIFF_MM</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.type;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.imagetype-iff">
<term>
<constant>IMAGETYPE_IFF</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.type;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.imagetype-jb2">
<term>
<constant>IMAGETYPE_JB2</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.type;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.imagetype-jpc">
<term>
<constant>IMAGETYPE_JPC</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.type;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.imagetype-jp2">
<term>
<constant>IMAGETYPE_JP2</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.type;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.imagetype-jpx">
<term>
<constant>IMAGETYPE_JPX</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.type;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.imagetype-swc">
<term>
<constant>IMAGETYPE_SWC</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.type;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.imagetype-ico">
<term>
<constant>IMAGETYPE_ICO</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.type;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.imagetype-webp">
<term>
<constant>IMAGETYPE_WEBP</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.type;
<simpara>
(Disponible à partir de PHP 7.1.0)
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.imagetype-avif">
<term>
<constant>IMAGETYPE_AVIF</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.type;
<simpara>
(Disponible à partir de PHP 8.1.0)
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.imagetype-unknown">
<term>
<constant>IMAGETYPE_UNKNOWN</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.type;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.imagetype-count">
<term>
<constant>IMAGETYPE_COUNT</constant>
(<type>int</type>)
</term>
<listitem>
<simpara>
Le nombre de constantes de type d'image (y compris le type "inconnu")
pris en charge par les fonctions <function>image_type_to_mime_type</function> et <function>image_type_to_extension</function>
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.png-no-filter">
<term>
<constant>PNG_NO_FILTER</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.png-filter;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.png-filter-none">
<term>
<constant>PNG_FILTER_NONE</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.png-filter;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.png-filter-sub">
<term>
<constant>PNG_FILTER_SUB</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.png-filter;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.png-filter-up">
<term>
<constant>PNG_FILTER_UP</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.png-filter;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.png-filter-avg">
<term>
<constant>PNG_FILTER_AVG</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.png-filter;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.png-filter-paeth">
<term>
<constant>PNG_FILTER_PAETH</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.png-filter;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.png-all-filters">
<term>
<constant>PNG_ALL_FILTERS</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.png-filter;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-flip-vertical">
<term>
<constant>IMG_FLIP_VERTICAL</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.flip;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-flip-horizontal">
<term>
<constant>IMG_FLIP_HORIZONTAL</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.flip;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-flip-both">
<term>
<constant>IMG_FLIP_BOTH</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.flip;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-bell">
<term>
<constant>IMG_BELL</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.interpolation;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-bessel">
<term>
<constant>IMG_BESSEL</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.interpolation;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-bilinear-fixed">
<term>
<constant>IMG_BILINEAR_FIXED</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.interpolation;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-bicubic">
<term>
<constant>IMG_BICUBIC</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.interpolation;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-bicubic-fixed">
<term>
<constant>IMG_BICUBIC</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.interpolation;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-blackman">
<term>
<constant>IMG_BLACKMAN</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.interpolation;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-box">
<term>
<constant>IMG_BOX</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.interpolation;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-bspline">
<term>
<constant>IMG_BSPLINE</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.interpolation;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-catmullrom">
<term>
<constant>IMG_CATMULLROM</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.interpolation;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-gaussian">
<term>
<constant>IMG_GAUSSIAN</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.interpolation;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-generalized-cubic">
<term>
<constant>IMG_GENERALIZED_CUBIC</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.interpolation;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-hermite">
<term>
<constant>IMG_HERMITE</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.interpolation;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-hamming">
<term>
<constant>IMG_HAMMING</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.interpolation;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-hanning">
<term>
<constant>IMG_HANNING</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.interpolation;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-mitchell">
<term>
<constant>IMG_MITCHELL</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.interpolation;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-power">
<term>
<constant>IMG_POWER</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.interpolation;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-quadratic">
<term>
<constant>IMG_QUADRATIC</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.interpolation;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-sinc">
<term>
<constant>IMG_SINC</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.interpolation;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-nearest-neighbour">
<term>
<constant>IMG_NEAREST_NEIGHBOUR</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.interpolation;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-weighted4">
<term>
<constant>IMG_WEIGHTED4</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.interpolation;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-triangle">
<term>
<constant>IMG_TRIANGLE</constant>
(<type>int</type>)
</term>
<listitem>
&gd.constants.interpolation;
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-crop-black">
<term>
<constant>IMG_CROP_BLACK</constant>
(<type>int</type>)
</term>
<listitem>
<simpara>
Recadre un fond noir.
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-crop-default">
<term>
<constant>IMG_CROP_DEFAULT</constant>
(<type>int</type>)
</term>
<listitem>
<simpara>
Identique à <constant>IMG_CROP_TRANSPARENT</constant>.
Avant PHP 7.4.0, la libgd incluse revenait à <constant>IMG_CROP_SIDES</constant>
si l'image n'avait pas de couleur transparente.
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-crop-sides">
<term>
<constant>IMG_CROP_SIDES</constant>
(<type>int</type>)
</term>
<listitem>
<simpara>
Utilise les 4 coins de l'image pour tenter de détecter le fond à recadrer.
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-crop-threshold">
<term>
<constant>IMG_CROP_THRESHOLD</constant>
(<type>int</type>)
</term>
<listitem>
<simpara>
Recadre une image en utilisant le <parameter>seuil</parameter>
et la <parameter>couleur</parameter> donnés.
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-crop-transparent">
<term>
<constant>IMG_CROP_TRANSPARENT</constant>
(<type>int</type>)
</term>
<listitem>
<simpara>
Recadre un fond transparent.
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.img-crop-white">
<term>
<constant>IMG_CROP_WHITE</constant>
(<type>int</type>)
</term>
<listitem>
<simpara>
Recadre un fond blanc.
</simpara>
</listitem>
</varlistentry>
</variablelist>
</appendix>
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