The Gmagick::rotateimage() function is an inbuilt function in PHP which is used to rotate an image in the specified number of degrees. The background empty triangles filled with the background color.
Syntax:
Gmagick Gmagick::rotateimage ( $color, $degrees )
Parameters: This function accepts two parameters as mentioned above and described below:
- $color: This parameter is used to set the background color pixel.
- $degrees: This parameter is used to set the degree of rotation.
Return Value: This function returns the Gmagick object on success.
Errors/Exceptions: This function throws GmagickException on error.
Below programs illustrates the Gmagick::rotateimage() function in PHP:
Program 1:
Input Image:
php
<?php // Create a Gmagick object $gmagick = new Gmagick(// Rotate the image.$gmagick->rotateimage('red', 35);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); // Create a GmagickDraw object $gmagick = new Gmagick(); // Function to create new image of given size$gmagick->newImage(500, 500, 'White'); // Function to set image format$gmagick->setImageFormat("png"); // Function to draw image$gmagick->drawImage($draw); // Rotate the image$gmagick->rotateimage('yellow', 35); // Display the output image header("Content-Type: image/png"); echo $gmagick->getImageBlob(); ?> |
Output:
Reference: http://php.net/manual/en/gmagick.rotateimage.php
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