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PHP Manual :: imagecolormatch



imagecolorexactalpha || imagecolorresolve || GD and Image Functions || PHP Manual

(PHP 4 >= 4.3.0, PHP 5, PHP 7)

imagecolormatchMakes the colors of the palette version of an image more closely match the true color version

Description

bool imagecolormatch ( resource $image1 , resource $image2 )

Makes the colors of the palette version of an image more closely match the true color version.

Parameters

image1

A truecolor image link resource.

image2

A palette image link resource pointing to an image that has the same size as image1.

Return Values

Returns TRUE on success or FALSE on failure.

Examples

Example #1 imagecolormatch() example

<?php
// Setup the true color and palette images
$im1 imagecreatefrompng('./gdlogo.png');
$im2 imagecreate(imagesx($im1), imagesy($im1));

// Add some colors to $im2
$colors   = Array();
$colors[] = imagecolorallocate($im22553674);
$colors[] = imagecolorallocate($im2400240);
$colors[] = imagecolorallocate($im282100255);
$colors[] = imagecolorallocate($im2846344);

// Match these colors with the true color image
imagecolormatch($im1$im2);

// Free from memory
imagedestroy($im1);
imagedestroy($im2);
?>

Notes

Note: This function requires GD 2.0.1 or later (2.0.28 or later is recommended).

See Also



imagecolorexactalpha || imagecolorresolve || GD and Image Functions || PHP Manual
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