1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165
|
<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xmlns="http://docbook.org/ns/docbook" xml:id="imagickpixel.getcolor">
<refnamediv>
<refname>ImagickPixel::getColor</refname>
<refpurpose>Returns the color</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<modifier>public</modifier> <type>array</type><methodname>ImagickPixel::getColor</methodname>
<methodparam choice="opt"><type>int</type><parameter>normalized</parameter><initializer>0</initializer></methodparam>
</methodsynopsis>
<para>
Returns the color described by the ImagickPixel object, as an array. If the color has an
opacity channel set, this is provided as a fourth value in the list.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>normalized</parameter></term>
<listitem>
<para>
Normalize the color values. Possible values are <literal>0</literal>,
<literal>1</literal> or <literal>2</literal>.
</para>
<table>
<title>
List of possible values for <parameter>normalized</parameter>
</title>
<tgroup cols="2">
<thead>
<row>
<entry><parameter>normalized</parameter></entry>
<entry>Description</entry>
</row>
</thead>
<tbody>
<row>
<entry>
<literal>0</literal>
</entry>
<entry>
The RGB values are returned as <type>int</type>s in the range <literal>0</literal>
to <literal>255</literal> (inclusive.)
The alpha value is returned as <type>int</type> and is either <literal>0</literal>
or <literal>1</literal>.
</entry>
</row>
<row>
<entry>
<literal>1</literal>
</entry>
<entry>
The RGBA values are returned as <type>float</type>s in the range <literal>0</literal>
to <literal>1</literal> (inclusive.)
</entry>
</row>
<row>
<entry>
<literal>2</literal>
</entry>
<entry>
The RGBA values are returned as <type>int</type>s in the range <literal>0</literal>
to <literal>255</literal> (inclusive.)
</entry>
</row>
</tbody>
</tgroup>
</table>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
An array of channel values. Throws ImagickPixelException on error.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>Basic <function>Imagick::getColor</function> usage</title>
<programlisting role="php">
<![CDATA[
<?php
//Create an ImagickPixel with the predefined color 'brown'
$color = new ImagickPixel('brown');
//Set the color to have an alpha of 25%
$color->setColorValue(Imagick::COLOR_ALPHA, 64 / 256.0);
$colorInfo = $color->getColor();
echo "Standard values".PHP_EOL;
print_r($colorInfo);
$colorInfo = $color->getColor(1);
echo "Normalized values:".PHP_EOL;
print_r($colorInfo);
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
Standard values
Array
(
[r] => 165
[g] => 42
[b] => 42
[a] => 0
)
Normalized values:
Array
(
[r] => 0.64705882352941
[g] => 0.16470588235294
[b] => 0.16470588235294
[a] => 0.25000381475547
)
]]>
</screen>
</example>
</para>
</refsect1>
</refentry>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:t
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:nil
sgml-local-ecat-files:nil
End:
vim600: syn=xml fen fdm=syntax fdl=2 si
vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->
|