imagepalettecopy(3) [php man page]

IMAGEPALETTECOPY(3)							 1						       IMAGEPALETTECOPY(3)

imagepalettecopy - Copy the palette from one image to another

SYNOPSIS

       void imagepalettecopy (resource	$destination, resource	$source)

DESCRIPTION

       imagepalettecopy(3) copies the palette from the $source image to the $destination image.

PARAMETERS

	      o $destination
		- The destination image resource.

	      o $source
		- The source image resource.

RETURN VALUES

	No value is returned.

EXAMPLES

       Example #1

	      imagepalettecopy(3) example

	      <?php
	      // Create two palette images
	      $palette1 = imagecreate(100, 100);
	      $palette2 = imagecreate(100, 100);

	      // Allocate the background to be
	      // green in the first palette image
	      $green = imagecolorallocate($palette1, 0, 255, 0);

	      // Copy the palette from image 1 to image 2
	      imagepalettecopy($palette2, $palette1);

	      // Since the palette is now copied we can use the
	      // green color allocated to image 1 without using
	      // imagecolorallocate() twice
	      imagefilledrectangle($palette2, 0, 0, 99, 99, $green);

	      // Output image to the browser
	      header('Content-type: image/png');

	      imagepng($palette2);
	      imagedestroy($palette1);
	      imagedestroy($palette2);
	      ?>

PHP Documentation Group 												       IMAGEPALETTECOPY(3)

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)