Imagick::exportImagePixels
PHP function
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(PECL imagick 2 >=2.3.0, PECL imagick 3)
Exports raw image pixels
Description
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). 0x647
Parameters
xX-coordinate of the exported area
yY-coordinate of the exported area
widthWidth of the exported aread
heightHeight of the exported area
mapOrdering 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.STORAGERefer to this list of pixel type constants
Return Values
Returns an array containing the pixels values.
Errors/Exceptions
Throws
Examples
Using Imagick::exportImagePixels()
Export image pixels into an array
php
<?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);
?>The above example will output:
output
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)
}