PHP | ImagickDraw affine() Function
Last Updated :
23 Dec, 2019
The ImagickDraw::affine() function is an inbuilt function in PHP which is used to adjust the current affine transformation matrix.
Syntax:
bool ImagickDraw::affine( array $affine )
Parameters: This function accepts a single parameter $affine which holds the array containing the affine matrix parameters.
Return Value: This function returns TRUE on success.
Exceptions: This function throws ImagickException on error.
Below given programs illustrate the ImagickDraw::affine() function in PHP:
Program 1:
<?php
$imagick = new Imagick();
$imagick ->newImage(800, 250, 'green' );
$draw = new ImagickDraw();
$draw ->translate(100, 100);
$draw ->affine( array ( "sx" => 7, "sy" => 1,
"rx" => 9, "ry" => 0,
"tx" => 200, "ty" => 0));
$draw ->rectangle(-50, -50, 50, 50);
$imagick ->drawImage( $draw );
$imagick ->setImageFormat( "png" );
header( "Content-Type: image/png" );
echo $imagick ->getImageBlob();
?>
|
Output:
Program 2:
<?php
$imagick = new Imagick();
$imagick ->newImage(800, 250, 'purple' );
$draw = new ImagickDraw();
$draw ->translate(100, 100);
$draw ->affine( array ( "sx" => 2, "sy" => 1,
"rx" => 0, "ry" => 0,
"tx" => 0, "ty" => 0));
$draw ->rectangle(0, -50, 50, 50);
$draw ->rectangle(100, 50, 150, 100);
$draw ->rectangle(200, -10, 250, 90);
$imagick ->drawImage( $draw );
$imagick ->setImageFormat( "png" );
header( "Content-Type: image/png" );
echo $imagick ->getImageBlob();
?>
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Output:
Reference: https://www.php.net/manual/en/imagickdraw.affine.php
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