imagick.steganoimage(3) [php man page]

IMAGICK.STEGANOIMAGE(3) 						 1						   IMAGICK.STEGANOIMAGE(3)

Imagick::steganoImage - Hides a digital watermark within the image

SYNOPSIS

       Imagick Imagick::steganoImage (Imagick  $watermark_wand, int  $offset)

DESCRIPTION

	Hides  a digital watermark within the image. Recover the hidden watermark later to prove that the authenticity of an image. Offset defines
       the start position within the image to hide the watermark.

PARAMETERS

	      o $watermark_wand
		-

	      o $offset
		-

RETURN VALUES

	Returns TRUE on success.

PHP Documentation Group 												   IMAGICK.STEGANOIMAGE(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)