imagecolormatch
(PHP 4 >= 4.3.0, PHP 5)
imagecolormatch — Makes 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();
$colors[] = imagecolorallocate($im2, 255, 36, 74);
$colors[] = imagecolorallocate($im2, 40, 0, 240);
$colors[] = imagecolorallocate($im2, 82, 100, 255);
$colors[] = imagecolorallocate($im2, 84, 63, 44);
// Match these colors with the true color image
imagecolormatch($im1, $im2);
// Free from memory
imagedestroy($im1);
imagedestroy($im2);
?>
Notes
Note: This function is only available if PHP is compiled with the bundled version of the GD library.
Note: This function requires GD 2.0.1 or later (2.0.28 or later is recommended).