(Não há informação de versão disponível, talvez apenas no SVN)
Imagick::exportImagePixels — Exports raw image pixels
$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). Este método está disponível se o PHP foi compilado com o ImageMagick versão 6.4.7 ou superior.
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
Exemplo #1 Using Imagick::exportImagePixels()
Export image pixels into an array
<?php
/* Create new object */
$im = new Imagick();
/* Create new image */
$im->newPseudoImage(0, 0, "magick:rose");
/* Export the image pixels */
$pixels = $im->exportImagePixels(10, 10, 2, 2, "RGB", Imagick::PIXEL_CHAR);
/* Output */
var_dump($pixels);
?>
O exemplo acima irá imprimir:
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.
Lança ImagickException em caso de erro.