imageaffinematrixconcat
(PHP 5 >= 5.5.0, PHP 7, PHP 8)
imageaffinematrixconcat — Concatenate two affine transformation matrices
說明
imageaffinematrixconcat(array
$matrix1, array $matrix2): array|falseReturns the concatenation of two affine transformation matrices, what is useful if multiple transformations should be applied to the same image in one go.
參數
-
matrix1 -
An affine transformation matrix (an array with keys
0to5and float values). -
matrix2 -
An affine transformation matrix (an array with keys
0to5and float values).
返回值
An affine transformation matrix (an array with keys
0 to 5 and float values)
或者在失敗時返回 false.
範例
示例 #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);
?>
以上例程會輸出：
Array
(
[0] => 4
[1] => 0
[2] => 0
[3] => 5
[4] => 8
[5] => 15
)
參見
- imageaffine() - 返回經過仿射變換后的影象，剪下區域可選
- imageaffinematrixget() - Get an affine transformation matrix