The Gmagick::scaleimage() function is an inbuilt function in PHP which is used to scale the size of an image to the given dimensions.
Syntax:
Gmagick Gmagick::scaleimage( $width, $height, $fit = FALSE )
Parameters: This function accepts three parameters as mentioned above and described below:
- $width: This parameter is used to set the width of image.
- $height: This parameter is used to set the height of image.
Return Value: This function returns Gmagick object on success.
Errors/Exceptions: This function throws GmagickException on error.
Below programs illustrates the Gmagick::scaleimage() function in PHP:
Program 1:
Input Image:

php
<?php
$gmagick = new Gmagick(
$gmagick ->scaleimage(400, 800, TRUE);
header( 'Content-type: image/png' );
echo $gmagick ;
?>
|
Output:

Program 2:
php
<?php
$draw = new GmagickDraw();
$strokeColor = new GmagickPixel( 'Red' );
$fillColor = new GmagickPixel( 'Green' );
$draw ->setStrokeOpacity(1);
$draw ->setStrokeColor( 'Red' );
$draw ->setFillColor( 'Green' );
$draw ->setStrokeWidth(7);
$draw ->setFontSize(72);
$draw ->circle(250, 250, 100, 150);
$gmagick = new Gmagick();
$gmagick ->newImage(500, 500, 'White' );
$gmagick ->setImageFormat( "png" );
$gmagick ->drawImage( $draw );
$gmagick ->scaleimage(450, 900, FALSE);
header( "Content-Type: image/png" );
echo $gmagick ->getImageBlob();
?>
|
Output:

Reference: http://php.net/manual/en/gmagick.scaleimage.php
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Last Updated :
23 Mar, 2021
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