PHP | ImagickDraw circle() Function

The ImagickDraw::circle() function is an inbuilt function in Imagick library of PHP which is used to draw a circle.

Syntax:

bool ImagickDraw::circle( $ox, $oy, $px, $py )

Parameters: This function accepts four parameters as mentioned above and described below:

• $ox: This parameter takes the value of origin x-coordinate.
• $oy: This parameter takes the value of origin y-coordinate.
• $px: This parameter takes the value of perimeter x-coordinate.
• $py: This parameter takes the value of perimeter y-coordinate.

Return Value: This function does not return any value.

Below program illustrates the ImagickDraw::circle() function in PHP:

Program:

<?php

// require_once('vendor/autoload.php');

// Create an ImagickDraw object
$draw = new \ImagickDraw();

// Create ImagickPixel object
$strokeColor = new \ImagickPixel('Red');
$fillColor = new \ImagickPixel('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);

$imagick = new \Imagick();
$imagick->newImage(500, 500, 'White');
$imagick->setImageFormat("png");
$imagick->drawImage($draw);

// Display the output image
header("Content-Type: image/png");
echo $imagick->getImageBlob();
?>

Output:

Reference: http://php.net/manual/en/imagickdraw.circle.php