These are the letters for the map:
R = red
G = green
B = blue
A = alpha (0 is transparent)
O = alpha (0 is opaque)
C = cyan
Y = yellow
M = magenta
K = black
I = intensity (for grayscale)
P = padImagick::exportImagePixels
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Imagick::exportImagePixels
Референца за `imagick.exportimagepixels.php` со подобрена типографија и навигација.
Imagick::exportImagePixels
(PECL imagick 2 >=2.3.0, PECL imagick 3)
Imagick::exportImagePixels — Exports raw image pixels
= NULL
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). This method is available if Imagick has been compiled against ImageMagick version 6.4.7 or newer.
Параметри
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-
Погледнете ја оваа листа на pixel type constants
Вратени вредности
Returns an array containing the pixels values.
Errors/Exceptions
Фрла ImagickException при грешка.
Примери
Пример #1 Користење 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);
?>Пример #1 Пример што покажува затворачка ознака што го опфаќа последниот нов ред
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)
}