Imagick::exportImagePixels

(No version information available, might only be in Git)

Imagick::exportImagePixelsExports raw image pixels

˵��

public Imagick::exportImagePixels ( int $x , int $y , int $width , int $height , string $map , int $STORAGE ) : array

Exports image pixels into an array. The map defines the ordering of the exported pixels. The size of the returned array is width * height * strlen(map). �˷�����Imagick����ImageMagick 6.4.7���ϰ汾����ʱ���á�

����

x

X-coordinate of the exported area

y

Y-coordinate of the exported area

width

Width of the exported aread

height

Height of the exported area

map

Ordering of the exported pixels. For example "RGB". Valid characters for the map are R, G, B, A, O, C, Y, M, K, I and P.

STORAGE

Refer to this list of pixel type constants

����

Example #1 Using Imagick::exportImagePixels()

Export image pixels into an array

<?php

/* Create new object */
$im = new Imagick();

/* Create new image */
$im->newPseudoImage(00"magick:rose");

/* Export the image pixels */
$pixels $im->exportImagePixels(101022"RGB"Imagick::PIXEL_CHAR);

/* Output */
var_dump($pixels);
?>

�������̻������

array(12) {
  [0]=>
  int(72)
  [1]=>
  int(64)
  [2]=>
  int(57)
  [3]=>
  int(69)
  [4]=>
  int(59)
  [5]=>
  int(43)
  [6]=>
  int(124)
  [7]=>
  int(120)
  [8]=>
  int(-96)
  [9]=>
  int(91)
  [10]=>
  int(84)
  [11]=>
  int(111)
}

����ֵ

Returns an array containing the pixels values.

�����쳣

����ʱ�׳� ImagickException��