PHP 5.4.36 Released

Imagick::exportImagePixels

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Imagick::exportImagePixelsExports raw image pixels

Descrierea

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

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). Această metodă este disponibilă dacă Imagick a fost compilat cu ImageMagick de versiunea 6.4.7 sau ulterior.

Parametri

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

Exemple

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);
?>

Exemplul de mai sus va afișa:

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)
}

Valorile întoarse

Returns an array containing the pixels values.

Erori/Excepții

Emite ImagickException în caz de eroare.

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