php man page for imagecreatefromgd2part

IMAGECREATEFROMGD2PART(3)						 1						 IMAGECREATEFROMGD2PART(3)

imagecreatefromgd2part - Create a new image from a given part of GD2 file or URL

SYNOPSIS
       resource imagecreatefromgd2part (string	$filename, int	$srcX, int  $srcY, int	$width, int  $height)

DESCRIPTION
	Create a new image from a given part of GD2 file or URL.

       Tip

	      A  URL can be used as a filename with this function if the fopen wrappers have been enabled. See fopen(3) for more details on how to
	      specify the filename. See the "Supported Protocols and Wrappers" for links to information about what abilities the various  wrappers
	      have, notes on their usage, and information on any predefined variables they may provide.

PARAMETERS
	      o $filename
		- Path to the GD2 image.

	      o $srcX
		- x-coordinate of source point.

	      o $srcY
		- y-coordinate of source point.

	      o $width
		-Source width.

	      o $height
		-Source height.

RETURN VALUES
       Returns an image resource identifier on success, FALSE on errors.

EXAMPLES
       Example #1

	      imagecreatefromgd2part(3) example

	      <?php
	      // For this example we need the image size before
	      $image = getimagesize('./test.gd2');

	      // Create the image instance now we got the image
	      // sizes
	      $im = imagecreatefromgd2part('./test.gd2', 4, 4, ($image[0] / 2) - 6, ($image[1] / 2) - 6);

	      // Do an image operation, in this case we emboss the
	      // image if PHP 5+
	      if(function_exists('imagefilter'))
	      {
		  imagefilter($im, IMG_FILTER_EMBOSS);
	      }

	      // Save optimized image
	      imagegd2($im, './test_emboss.gd2');
	      imagedestroy($im);
	      ?>

NOTES
       Note

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

PHP Documentation Group 												 IMAGECREATEFROMGD2PART(3)