The Gmagick::resizeimage() function is an inbuilt function in PHP which is used to scale an image in given dimensions with a filter.
Syntax:
Gmagick Gmagick::resizeimage( $width, $height, $filter, $blur)
Parameters: This function accepts four 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.
- $filter: This parameter is used to set the value for filter.
- $blur: This parameter is used to set the value for blur. The value larger than 1 results in blurry whereas lesser than 1 is sharp.
Return Value: This function returns Gmagick object on success.
Errors/Exceptions: This function throws GmagickException on error.
Below programs illustrates the Gmagick::resizeimage() function in PHP:
Program 1:
Input Image:
php
<?php // Create a Gmagick object $gmagick = new Gmagick( // Resize the image. $gmagick->resizeimage(1024, 768, 10, 5, true); header('Content-type: image/png'); // Output the image echo $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); // Resize the image$gmagick->resizeimage(890, 790, 6, 10); // Display the output image header("Content-Type: image/png"); echo $gmagick->getImageBlob(); ?> |
Output:
