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imageaffinematrixget

(PHP 5 >= 5.5.0, PHP 7)

imageaffinematrixget — Get an affine transformation matrix

설명

array imageaffinematrixget ( int $type , mixed $options )

Returns an affine transformation matrix.

인수

type

One of the IMG_AFFINE_* constants.

options

If type is IMG_AFFINE_TRANSLATE or IMG_AFFINE_SCALE, options has to be an array with keys x and y, both having float values.

If type is IMG_AFFINE_ROTATE, IMG_AFFINE_SHEAR_HORIZONTAL or IMG_AFFINE_SHEAR_VERTICAL, options has to be a float specifying the angle.

반환값

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

예제

Example #1 imageaffinematrixget() example


<?php
$matrix = imageaffinematrixget(IMG_AFFINE_TRANSLATE, array('x' = 2, 'y' => 3));
print_r($matrix);
?>

위 예제의 출력:

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

참고

imageaffine() - Return an image containing the affine transformed src image, using an optional clipping area
imageaffinematrixconcat() - Concatenate two affine transformation matrices

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