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PHP | ImagickDraw polygon() Function
  • Difficulty Level : Easy
  • Last Updated : 05 Nov, 2020

The ImagickDraw::polygon() function is an inbuilt function in Imagick library in PHP which is used to draw a polygon using the specified array of coordinates.

Syntax: 

bool ImagickDraw::polygon( $coordinates )

Parameters: This function accepts single parameter $coordinates of array type. It is used to hold the set of points.
Return Value: This function returns TRUE on success.

Below program illustrate the ImagickDraw::polygon() function in PHP: 

Program:  



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<?php
     
// require_once('vendor/autoload.php');
 
// Create an ImagickDraw object
$draw = new \ImagickDraw();
 
// Set the opacity of image
$draw->setStrokeOpacity(1);
 
// Set the color of image
$draw->setStrokeColor('Green');
 
// Set the stroke width
$draw->setStrokeWidth(4);
 
// Set the fill color
$draw->setFillColor('Red');
 
// Array contains points
$points = [
    ['x' => 50 * 6, 'y' => 10 * 5],
    ['x' => 20 * 7, 'y' => 30 * 5],
    ['x' => 60 * 8, 'y' => 50 * 5],
    ['x' => 70 * 3, 'y' => 15 * 5],
];
 
// Draw the polygon with gicen points
$draw->polygon($points);
 
// Create an Imagick object
$image = new \Imagick();
 
// Ctrate an image of given size
$image->newImage(500, 300, 'white');
 
// Set the image format
$image->setImageFormat("png");
 
// Draw the image
$image->drawImage($draw);
 
header("Content-Type: image/png");
 
// Display the output image
echo $image->getImageBlob();
?>

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Output: 
 

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

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