imageaffinematrixget
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
isIMG_AFFINE_TRANSLATE
orIMG_AFFINE_SCALE
,options
has to be an array with keys x and y, both having float values.If
type
isIMG_AFFINE_ROTATE
,IMG_AFFINE_SHEAR_HORIZONTAL
orIMG_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
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://secure.php.net/manual/en/function.imageaffinematrixget.php