imagick.readimageblob(3) [php man page]

IMAGICK.READIMAGEBLOB(3)						 1						  IMAGICK.READIMAGEBLOB(3)

Imagick::readImageBlob - Reads image from a binary string

SYNOPSIS

       bool Imagick::readImageBlob (string  $image, [string  $filename])

DESCRIPTION

	Reads image from a binary string

PARAMETERS

	      o $image
		-

RETURN VALUES

	Returns TRUE on success.

ERRORS
/EXCEPTIONS
	Throws ImagickException on error.

EXAMPLES

       Example #1

	      Imagick.readImageBlob(3)

	      <?php
	      function readImageBlob() {
		  $base64 = "iVBORw0KGgoAAAANSUhEUgAAAM0AAAD
	       NCAMAAAAsYgRbAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5c
	       cllPAAAABJQTFRF3NSmzMewPxIG//ncJEJsldTou1jHgAAAARBJREFUeNrs2EEK
	       gCAQBVDLuv+V20dENbMY831wKz4Y/VHb/5RGQ0NDQ0NDQ0NDQ0NDQ0NDQ
	       0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0PzMWtyaGhoaGhoaGhoaGhoaGhoxtb0QGho
	       aGhoaGhoaGhoaGhoaMbRLEvv50VTQ9OTQ5OpyZ01GpM2g0bfmDQaL7S+ofFC6x
	       v3ZpxJiywakzbvd9r3RWPS9I2+MWk0+kbf0Hih9Y17U0nTHibrDDQ0NDQ0NDQ0
	       NDQ0NDQ0NTXbRSL/AK72o6GhoaGhoRlL8951vwsNDQ0NDQ1NDc0WyHtDTEhD
	       Q0NDQ0NTS5MdGhoaGhoaGhoaGhoaGhoaGhoaGhoaGposzSHAAErMwwQ2HwRQ
	       AAAAAElFTkSuQmCC";

		  $imageBlob = base64_decode($base64);

		  $imagick = new Imagick();
		  $imagick->readImageBlob($imageBlob);

		  header("Content-Type: image/png");
		  echo $imageBlob;
	      }

	      ?>

PHP Documentation Group 												  IMAGICK.READIMAGEBLOB(3)

IMAGICK.WHITETHRESHOLDIMAGE(3)						 1					    IMAGICK.WHITETHRESHOLDIMAGE(3)

Imagick::whiteThresholdImage - Force all pixels above the threshold into white

SYNOPSIS

       bool Imagick::whiteThresholdImage (mixed  $threshold)

DESCRIPTION

	Is  like  Imagick::ThresholdImage()  but  force  all  pixels  above  the threshold into white while leaving all pixels below the threshold
       unchanged.

PARAMETERS

	      o $threshold
		-

RETURN VALUES

	Returns TRUE on success.

CHANGELOG

       +--------+---------------------------------------------------+
       |Version |						    |
       |	|						    |
       |	|		     Description		    |
       |	|						    |
       +--------+---------------------------------------------------+
       | 2.1.0	|						    |
       |	|						    |
       |	|  Now allows a string representing the color as  a |
       |	| parameter.  Previous versions allow only an Imag- |
       |	| ickPixel object.				    |
       |	|						    |
       +--------+---------------------------------------------------+
EXAMPLES

       Example #1

	      Imagick.whiteThresholdImage(3)

	      <?php
	      function whiteThresholdImage($imagePath, $color) {
		  $imagick = new Imagick(realpath($imagePath));
		  $imagick->whiteThresholdImage($color);
		  header("Content-Type: image/jpg");
		  echo $imagick->getImageBlob();
	      }

	      ?>

PHP Documentation Group 											    IMAGICK.WHITETHRESHOLDIMAGE(3)