IMAGECOLORMATCH(3) 1 IMAGECOLORMATCH(3)
imagecolormatch - Makes the colors of the palette version of an image more closely match the true color version
SYNOPSIS
bool imagecolormatch (resource $image1, resource $image2)
DESCRIPTION
Makes the colors of the palette version of an image more closely match the true color version.
PARAMETERS
o $image1
- A truecolor image link resource.
o $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(3) 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 requires GD 2.0.1 or later (2.0.28 or later is recommended).
SEE ALSO
imagecreatetruecolor(3).
PHP Documentation Group IMAGECOLORMATCH(3)