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PHP | ImagickDraw rotate() Function

  • Difficulty Level : Easy
  • Last Updated : 30 Aug, 2019

The ImagickDraw::rotate() function is an inbuilt function of PHP which is used to apply the specified rotation to the current coordinate space.

bool ImagickDraw::rotate( $degrees )

Parameters: This function accepts a single parameter $degrees which is used to hold the value of degree of rotation.

Return Value: This function does not returns any value.

Below programs illustrates the ImagickDraw::rotate() function in PHP:

Program 1:






<?php
  
// require_once('path/vendor/autoload.php');
   
// Create an Imagick Draw object
$draw = new \ImagickDraw();
   
// Set the stroke color
$strokeColor = new \ImagickPixel('Green');
   
// Set the fill color
$fillColor = new \ImagickPixel('Red');
   
// Set the stroke opacity
$draw->setStrokeOpacity(1);
   
// Set the stroke color
$draw->setStrokeColor('Green');
   
// Set the Fill Color
$draw->setFillColor('Red');
   
// Set the stroke width
$draw->setStrokeWidth(2);
  
// Draw the rectangle
$draw->rectangle(100, 200, 500, 400);
   
// Set the stroke color
$draw->setStrokeColor('black');
   
// Set the fill color
$draw->setFillColor('lightgreen');
   
// Set the rotation
$draw->rotate(10);
   
// Draw the rectangle
$draw->rectangle(100, 200, 500, 400);
   
//Create an imagick object
$imagick = new \Imagick();
   
// Set the image dimensions
$imagick->newImage(600, 500, 'White');
   
// Set the image format
$imagick->setImageFormat("png");
   
// Draw the image
$imagick->drawImage($draw);
header("Content-Type: image/png");
   
// Display the image
echo $imagick->getImageBlob();
?>

Output:

Program 2:




<?php
  
// require_once('path/vendor/autoload.php');
   
// Create an Imagick Draw object
$draw = new \ImagickDraw();
   
// Set the stroke color
$strokeColor = new \ImagickPixel('Green');
   
// Set the fill color
$fillColor = new \ImagickPixel('Red');
   
// Set the stroke opacity
$draw->setStrokeOpacity(1);
   
// Set the stroke color
$draw->setStrokeColor('Green');
   
// Set the Fill Color
$draw->setFillColor('Red');
   
// Set the stroke width
$draw->setStrokeWidth(2);
   
$smoothPointsSet = [
        [ ['x' => 10.0 * 5, 'y' => 10.0 * 5],
          ['x' => 30.0 * 5, 'y' => 90.0 * 5],
          ['x' => 25.0 * 5, 'y' => 10.0 * 5],
          ['x' => 50.0 * 5, 'y' => 50.0 * 5], ]
    ];
   
    foreach ($smoothPointsSet as $points) {
        $draw->bezier($points);
    }
   
// Set the stroke color
$draw->setStrokeColor('black');
   
// Set the fill color
$draw->setFillColor('lightgreen');
   
// Set the rotation angle
$draw->rotate(15);
   
foreach ($smoothPointsSet as $points) {
    $draw->bezier($points);
}
   
// Create an imagick object
$imagick = new \Imagick();
   
// Set the image dimensions
$imagick->newImage(350, 350, 'White');
   
// Set the image format
$imagick->setImageFormat("png");
   
// Draw the image
$imagick->drawImage($draw);
header("Content-Type: image/png");
   
// Display the image
echo $imagick->getImageBlob();
?>

Output:

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




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