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imageaffinematrixconcat

(PHP 5 >= 5.5.0, PHP 7, PHP 8)

imageaffinematrixconcatConcatenate two affine transformation matrices

Beschreibung

imageaffinematrixconcat(array $matrix1, array $matrix2): array|false

Returns the concatenation of two affine transformation matrices, what is useful if multiple transformations should be applied to the same image in one go.

Parameter-Liste

matrix1

An affine transformation matrix (an array with keys 0 to 5 and float values).

matrix2

An affine transformation matrix (an array with keys 0 to 5 and float values).

Rückgabewerte

An affine transformation matrix (an array with keys 0 to 5 and float values) Bei einem Fehler wird false zurückgegeben..

Beispiele

Beispiel #1 imageaffinematrixconcat() example

<?php
$m1
= imageaffinematrixget(IMG_AFFINE_TRANSLATE, array('x' => 2, 'y' => 3));
$m2 = imageaffinematrixget(IMG_AFFINE_SCALE, array('x' => 4, 'y' => 5));
$matrix = imageaffinematrixconcat($m1, $m2);
print_r($matrix);
?>

Das oben gezeigte Beispiel erzeugt folgende Ausgabe:

Array
(
    [0] => 4
    [1] => 0
    [2] => 0
    [3] => 5
    [4] => 8
    [5] => 15
)

Siehe auch

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