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PHP | ImagickDraw getStrokeAntialias() Function

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  • Last Updated : 17 Dec, 2019
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The ImagickDraw::getStrokeAntialias() function is an inbuilt function in PHP which is used to get the current stroke antialias setting. Stroked outlines are antialiased (enabled) by default. Alias is just a noise or distortion in the stroke.

Syntax:

bool ImagickDraw::getStrokeAntialias( void )

Parameters: This function doesn’t accept any parameter.

Return Value: This function returns an bool value containing the stroke antialias setting. TRUE means enabled and FALSE means disabled.

Exceptions: This function throws ImagickException on error.

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

Program 1:




<?php
  
// Create a new ImagickDraw object
$draw = new ImagickDraw();
  
// Get the stroke antialias
$strokeAntialias = $draw->getStrokeAntialias() ? 'true' : 'false';
echo $strokeAntilias;
?>


Output:

true

Program 2:




<?php
  
// Create a new ImagickDraw object
$draw = new ImagickDraw();
  
// Disable stroke antialias
$draw->setStrokeAntialias(false);
  
// Get the stroke antialias
$strokeAntialias = $draw->getStrokeAntialias() ? 'true' : 'false';
echo $strokeAntilias;
?>


Output:

false

Program 3:




<?php
  
// Create a new imagick object
$imagick = new Imagick();
  
// Create a image on imagick object
$imagick->newImage(800, 250, 'black');
  
// Create a new ImagickDraw object
$draw = new ImagickDraw();
  
// Set the fill color
$draw->setFillColor('cyan');
  
// Set the width of stroke
$draw->setStrokeWidth(1);
  
// Set the color of stroke
$draw->setStrokeColor('red');
  
// Set the font size
$draw->setFontSize(40);
  
// Get the stroke antialias
$strokeAntialias = $draw->getStrokeAntialias() ? 'true' : 'false';
  
// Annotate a text
$draw->annotation(50, 100, 'The stroke antialias here is ' . $strokeAntialias);
  
// Disable stroke antialias
$draw->setStrokeAntialias(false);
  
// Get the stroke antialias
$strokeAntialias = $draw->getStrokeAntialias() ? 'true' : 'false';
  
// Annotate a text
$draw->annotation(50, 200, 'The stroke antialias here is ' . $strokeAntialias);
  
// 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.getstrokeantialias.php


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