PHP | ImagickDraw skewX() Function

The ImagickDraw::skewX() function is an inbuilt function in PHP which is used to skews the current coordinate system in the horizontal direction.

Syntax:

bool ImagickDraw::skewX( $degrees )

Parameters: This function accepts a single parameter $degrees which is used to hold the degrees to skew.



Return Value: This function does not return any value.

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

Program 1:

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<?php
  
// require_once('path/vendor/autoload.php');
   
// Create an ImagickDraw object to draw into.
$draw = new ImagickDraw();
  
// Set the image filled color
$draw->setFillColor('blue');
$points = [['x' => 40 * 5, 'y' => 10 * 5], 
           ['x' => 70 * 5, 'y' => 50 * 5], 
           ['x' => 60 * 5, 'y' => 15 * 5], ];
             
// Draw the polygon
$draw->polygon($points);
  
// Set the image filled color
$draw->setFillColor('red');
$draw->skewX(-60);
$points = [['x' => 40 * 5, 'y' => 10 * 5], 
           ['x' => 70 * 5, 'y' => 50 * 5], 
           ['x' => 60 * 5, 'y' => 15 * 5], ];
             
// Draw the polygon           
$draw->polygon($points);
   
// Set the image filled color
$draw->setFillColor('green');
$draw->skewX(30);
$points = [['x' => 40 * 5, 'y' => 10 * 5], 
           ['x' => 70 * 5, 'y' => 50 * 5], 
           ['x' => 60 * 5, 'y' => 15 * 5], ];
             
// Draw the polygon           
$draw->polygon($points);
  
// Create new Imagick object
$image = new Imagick();
$image->newImage(500, 500, 'white');
  
// Set the image format
$image->setImageFormat("png");
    
// Draw the image
$image->drawImage($draw);
    
header("Content-Type: image/png");
  
// Display the image
echo $image->getImageBlob();
?>

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Output:
skewX

Program 2:

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<?php
  
// require_once('path/vendor/autoload.php');
   
// Create an ImagickDraw object
$draw = new ImagickDraw();
  
// Set the stroke color
$draw->setStrokeColor('black');
  
// Set the filled color
$draw->setFillColor('red');
  
// Draw the circle
$draw->circle(250, 250, 100, 150); 
   
// Set the filled color
$draw->setFillColor('green');
  
// Set the skew of X
$draw->skewX(30);
  
// Draw the circle
$draw->circle(250, 250, 100, 150); 
   
// Set the filled color
$draw->setFillColor('yellow');
  
// Set the skew of X
$draw->skewX(30);
  
// Draw the circle
$draw->circle(250, 250, 100, 150); 
   
// Create new imagick object
$image = new Imagick();
  
// Create new image of given size
$image->newImage(900, 600, '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:
skewX

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



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