PHP 8.5.0 RC 2 available for testing

Imagick::exportImagePixels

(PECL imagick 2 >=2.3.0, PECL imagick 3)

Imagick::exportImagePixels β€” Exports raw image pixels

Опис

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). Π¦Π΅ΠΉ ΠΌΠ΅Ρ‚ΠΎΠ΄ доступний, якщо Imagick Π·Ρ–Π±Ρ€Π°Π½ΠΈΠΉ Π· ImageMagick вСрсії 6.4.7 Π°Π±ΠΎ Π½ΠΎΠ²Ρ–ΡˆΠΎΡŽ.

ΠŸΠ°Ρ€Π°ΠΌΠ΅Ρ‚Ρ€ΠΈ

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

ЗначСння, Ρ‰ΠΎ ΠΏΠΎΠ²Π΅Ρ€Ρ‚Π°ΡŽΡ‚ΡŒΡΡ

Returns an array containing the pixels values.

Помилки/Π²ΠΈΠΊΠ»ΡŽΡ‡Π΅Π½Π½Ρ

ΠšΠΈΠ΄Π°Ρ” ImagickException Π² Ρ€Π°Π·Ρ– ΠΏΠΎΠΌΠΈΠ»ΠΊΠΈ.

ΠŸΡ€ΠΈΠΊΠ»Π°Π΄ΠΈ

ΠŸΡ€ΠΈΠΊΠ»Π°Π΄ #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);
?>

Поданий Π²ΠΈΡ‰Π΅ ΠΏΡ€ΠΈΠΊΠ»Π°Π΄ Π²ΠΈΠ²Π΅Π΄Π΅:

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)
}

οΌ‹add a note

User Contributed Notes 1 note

up
2
P S ΒΆ
3 years ago
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 = pad
To Top