PHP imagecolormatch - make a version of the color palette of the image and to better match the true color version
imagecolormatch - make a version of the color palette of the image and true color version better match.
grammar
bool imagecolormatch ( resource $image1 , resource $image2 )
Make a version of the image in color palette and true color version better match.
Note: This function is only available with bundled GD library compiled PHP version.
Note: This function requires GD 2.0.1 or later (2.0.28 or later recommended).
parameter
- image1 true color image connection resources.
- image2 must be Palette image, and the size of image1 and must be the same.
return value
Successful return TRUE, or on failure returns FALSE.
Examples
<?php
// 创建真彩色图像和调色板图像
$im1 = imagecreatefrompng('w3big-logo.png');
$im2 = imagecreate(imagesx($im1), imagesy($im1));
// 向 $im2 添加一些颜色
$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);
// 把这些颜色与真彩色图像进行匹配
imagecolormatch($im1, $im2);
// 从内存中释放
imagedestroy($im1);
imagedestroy($im2);
?>
related articles
- imagecreatetruecolor () Create a new true color image.