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(PECL imagick 2.0.0)
Imagick::newPseudoImage — Creates a new image
$columns 
   ,  int $rows 
   ,  string $pseudoString 
   )Creates a new image using ImageMagick pseudo-formats.
columns columns in the new image
rows rows in the new image
pseudoString string containing pseudo image definition.
   成功时返回  TRUE 。
  
错误时抛出 ImagickException。
Example #1 Imagick::newPseudoImage()
  <?php
 function  newPseudoImage ( $canvasType ) {
     $imagick  = new \ Imagick ();
     $imagick -> newPseudoImage ( 300 ,  300 ,  $canvasType );
     $imagick -> setImageFormat ( "png" );
     header ( "Content-Type: image/png" );
    echo  $imagick -> getImageBlob ();
}
 //newPseudoImage('gradient:red-rgba(64, 255, 255, 0.5)');
//newPseudoImage("radial-gradient:red-blue");
 newPseudoImage ( "plasma:fractal" );
 ?>   [#1] Pekka Jrvinen [2010-07-22 06:47:07]
See http://www.imagemagick.org/script/formats.php for pseudoString parameter