Get an affine transformation matrix (original) (raw)
imageaffinematrixget
(PHP 5 >= 5.5.0, PHP 7)
imageaffinematrixget — Get an affine transformation matrix
Description
imageaffinematrixget ( int $type [, mixed $options ] ) : array
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 keys0 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