PHP | ImagickDraw setStrokeLineCap() Function

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The ImagickDraw::setStrokeLineCap() function is an inbuilt function in PHP which is used to set the shape to be used at the end of open subpaths when they are stroked.

Syntax:

bool ImagickDraw::setStrokeLineCap( int $linecap )

Parameters: This function accepts a single parameter $linecap which holds an integer value corresponding to one of LINECAP constants.

List of LINECAP constants are given below:

imagick::LINECAP_UNDEFINED (0)
imagick::LINECAP_BUTT (1)
imagick::LINECAP_ROUND (2)
imagick::LINECAP_SQUARE (3)

Return Value: This function returns TRUE on success.

Exceptions: This function throws ImagickException on error.

Below programs illustrate the ImagickDraw::setStrokeLineCap() function in PHP:

Program 1:

<?php 
  
// Create a new ImagickDraw object 
$draw = new ImagickDraw(); 
    
// Set the stroke line cap 
$draw->setStrokeLineCap(2); 
  
// Get the stroke line cap 
$lineCap = $draw->getStrokeLineCap(); 
echo $lineCap; 
?> 

Output:

2 // Which corresponds to imagick::LINECAP_ROUND

Program 2:

<?php 
  
// Create a new ImagickDraw object 
$draw = new ImagickDraw(); 
    
// Create a new imagick object 
$imagick = new Imagick(); 
    
// Create a image on imagick object 
$imagick->newImage(800, 250, 'grey'); 
    
// Create a new ImagickDraw object 
$draw = new ImagickDraw(); 
    
// Set the color of stroke 
$draw->setStrokeColor('red'); 
  
// Set stroke width 
$draw->setStrokeWidth(3); 
    
// Set the font size 
$draw->setFontSize(25); 
   
 // Set the stroke dash array 
$draw->setStrokeDashArray([20]); 
  
// Set the stroke line cap 
$draw->setStrokeLineCap(3); 
    
// Draw a circle 
$draw->circle(250, 150, 330, 130); 
  
// 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.setstrokelinecap.php

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