PHP | Gmagick scaleimage() Function
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.
- $height: This parameter is used to set the height of image.
Return Value: This function returns Gmagick object on success.
Errors/Exceptions: This function throws GmagickException on error.
Below programs illustrates the Gmagick::scaleimage() function in PHP:
Program 1:
Input Image:
php
<?php // Create a Gmagick object$gmagick = new Gmagick(// Scale the image.$gmagick->scaleimage(400, 800, TRUE);header('Content-type: image/png'); // Output the imageecho $gmagick;?> |
Output:
Program 2:
php
<?php // Create a GmagickDraw object$draw = new GmagickDraw(); // Create GmagickPixel object$strokeColor = new GmagickPixel('Red');$fillColor = new GmagickPixel('Green'); // Set the color, opacity of image$draw->setStrokeOpacity(1);$draw->setStrokeColor('Red');$draw->setFillColor('Green'); // Set the width and height of image$draw->setStrokeWidth(7);$draw->setFontSize(72); // Function to draw circle $draw->circle(250, 250, 100, 150); $gmagick = new Gmagick();$gmagick->newImage(500, 500, 'White');$gmagick->setImageFormat("png");$gmagick->drawImage($draw);// Scale the image$gmagick->scaleimage(450, 900, FALSE); // Display the output imageheader("Content-Type: image/png");echo $gmagick->getImageBlob();?> |
Output:
Reference: http://php.net/manual/en/gmagick.scaleimage.php
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