imageaffinematrixget
(PHP 5 >= 5.5.0, PHP 7)
imageaffinematrixget — Get an affine transformation matrix
Description
array imageaffinematrixget ( int $type , mixed $options )Returns an affine transformation matrix.
Parameters
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.
Return Values
An affine transformation matrix (an array with keys 0 to 5 and float values) or FALSE on failure.
Examples
Example #1 imageaffinematrixget() example
<?php
$matrix = imageaffinematrixget(IMG_AFFINE_TRANSLATE, array('x' = 2, 'y' => 3));
print_r($matrix);
?>The above example will output:
Array
(
[0] => 1
[1] => 0
[2] => 0
[3] => 1
[4] => 2
[5] => 3
)See Also
- imageaffine() - Return an image containing the affine transformed src image, using an optional clipping area
- imageaffinematrixconcat() - Concatenate two affine transformation matrices
← imageaffinematrixconcat
imagealphablending →
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