Skip to content
Related Articles

Related Articles

PHP | Gmagick solarizeimage() Function
  • Last Updated : 29 Aug, 2019

The Gmagick::solarizeimage() function is an inbuilt function in PHP which is used to apply to solarize effect on the image. The image effect achieved in a photo darkroom by selectively exposing areas of photosensitive paper to light.


Gmagick Gmagick::solarizeimage ( $threshold )

Parameters: This function accepts a single parameter $threshold which is used to measure of the extent of the solarization.

Return Value: This function returns the Gmagick object on success.

Errors/Exceptions: This function throws GmagickException on error.

Below programs illustrates the Gmagick::solarizeimage() function in PHP:

Program 1:
Input Image

// Create a Gmagick object 
$gmagick = new Gmagick(
// Solarize the image. 
header('Content-type: image/png'); 
// Ouput the image 
echo $gmagick


Program 2:

// Create a GmagickDraw object 
$draw = new GmagickDraw(); 
// Create GmagickPixel object 
$strokeColor = new GmagickPixel('Red'); 
$fillColor = new GmagickPixel('Green'); 
// Set the color, opacity of image 
// Set the width and height of image 
// Function to draw circle  
$draw->circle(250, 250, 100, 150); 
$gmagick = new Gmagick(); 
$gmagick->newImage(500, 500, 'White'); 
// Solarize the image
// Display the output image 
header("Content-Type: image/png"); 
echo $gmagick->getImageBlob(); 



My Personal Notes arrow_drop_up
Recommended Articles
Page :