imageaffinematrixget
(PHP 5 >= 5.5.0, PHP 7)
imageaffinematrixget — Get an affine transformation matrix
Description
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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Document created the 30/01/2003, last modified the 26/10/2018
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References
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