PHP | ImagickDraw setClipUnits() Function

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The ImagickDraw::setClipUnits() function is an inbuilt function in PHP which is used to set the interpretation of clip path units.

Syntax:

bool ImagickDraw::setClipUnits( int $clip_units )

Parameters: This function accept a single parameter $clip_units which is an integer value corresponding to one of RESOLUTION constants.

List of RESOLUTION constants are given below:

imagick::RESOLUTION_UNDEFINED (0)
imagick::RESOLUTION_PIXELSPERINCH (1)
imagick::RESOLUTION_PIXELSPERCENTIMETER (2)

Return Value: This function returns TRUE on success.

Exceptions: This function throws ImagickException on error.

Below given programs illustrate the ImagickDraw::setClipUnits() function in PHP:

Program 1:

<?php 
  
// Create a new ImagickDraw object 
$draw = new ImagickDraw(); 
     
// Set clipUnits 
$draw->setClipUnits(imagick::RESOLUTION_PIXELSPERCENTIMETER); 
  
// Get clipUnits 
echo $draw->getClipUnits(); 
?> 

Output:

2 // which corresponds to one of imagick::RESOLUTION_PIXELSPERCENTIMETER.

Program 2:

<?php 
      
// Create a new imagick object 
$imagick = new Imagick(); 
      
// Create a image on imagick object 
$imagick->newImage(500, 250, 'green'); 
      
// Create a new ImagickDraw object 
$draw = new ImagickDraw(); 
      
$draw->setClipUnits(imagick::RESOLUTION_PIXELSPERINCH); 
    
$draw->setFontSize(24); 
    
$draw->annotation(160, 125,  
                  'The clipUnits is '
                  . $draw->getClipUnits() . '.'); 
      
// Render the draw commands 
$imagick->drawImage($draw); 
      
// Show the output 
$imagick->setImageFormat('png'); 
header("Content-Type: image/png"); 
echo $imagick->getImageBlob(); 
?> 

Output:

Reference: https://www.php.net/manual/en/imagickdraw.setclipunits.php

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