imagick.pingimagefile(3) [php man page]

IMAGICK.PINGIMAGEFILE(3)						 1						  IMAGICK.PINGIMAGEFILE(3)

Imagick::pingImageFile - Get basic image attributes in a lightweight manner

SYNOPSIS

       bool Imagick::pingImageFile (resource  $filehandle, [string  $fileName])

DESCRIPTION

	This method can be used to query image width, height, size, and format without reading the whole image to memory. This method is available
       if Imagick has been compiled against ImageMagick version 6.2.9 or newer.

PARAMETERS

	      o $filehandle
		- An open filehandle to the image.

	      o $fileName
		- Optional filename for this image.

RETURN VALUES

	Returns TRUE on success.

EXAMPLES

       Example #1

	      Using Imagick.pingImageFile(3)

	       Opening a remote location

	      <?php
	      /* fopen a remote location */
	      $fp = fopen("http://example.com/test.jpg");

	      /* create new imagick object */
	      $im = new Imagick();

	      /* pass the handle to imagick */
	      $im->pingImageFile($fp);
	      ?>

SEE ALSO

       Imagick.pingImage(3), Imagick.pingImageBlob(3), Imagick.readImage(3), Imagick.readImageBlob(3), Imagick.readImageFile(3).

PHP Documentation Group 												  IMAGICK.PINGIMAGEFILE(3)

IMAGICK.OPTIMIZEIMAGELAYERS(3)						 1					    IMAGICK.OPTIMIZEIMAGELAYERS(3)

Imagick::optimizeImageLayers - Removes repeated portions of images to optimize

SYNOPSIS

       bool Imagick::optimizeImageLayers (void	)

DESCRIPTION

	Compares  each	image  the  GIF disposed forms of the previous image in the sequence. From this it attempts to select the smallest cropped
       image to replace each frame, while preserving the results of the animation. This method is available if Imagick has been  compiled  against
       ImageMagick version 6.2.9 or newer.

RETURN VALUES

	Returns TRUE on success.

ERRORS
/EXCEPTIONS
	Throws ImagickException on error.

EXAMPLES

       Example #1

	      Using Imagick.optimizeImageLayers(3)

	       Reading, optimizing and writing a GIF image

	      <?php
	      /* create new imagick object */
	      $im = new Imagick("test.gif");

	      /* optimize the image layers */
	      $im->optimizeImageLayers();

	      /* write the image back */
	      $im->writeImages("test_optimized.gif", true);
	      ?>

SEE ALSO

       Imagick.compareImageLayers(3), Imagick.writeImages(3), Imagick.writeImage(3).

PHP Documentation Group 											    IMAGICK.OPTIMIZEIMAGELAYERS(3)