PHP | ImagickPixel __construct() Function

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The ImagickPixel::__construct() function is an inbuilt function in PHP which is used to construct an ImagickPixel object. If a color is specified, the object is constructed and then initialized with that color.

Syntax:

bool ImagickPixel::__construct( void )

Parameters: This function accepts a single parameter $color which is optional and contains the color.

Return Value: This function returns an ImagickPixel object on success.

Exceptions: This function throws ImagickException on error.

Below programs illustrate the ImagickPixel::__construct() function in PHP:

Program 1:

<?php 
  
// Create a new imagick object using __construct 
// function without any arguments 
$imagickPixel = new ImagickPixel(); 
  
// Set the color 
$imagickPixel->setColorValue(Imagick::COLOR_ALPHA, 0.6); 
  
// Get the color 
echo print_r($imagickPixel->getColorValue(Imagick::COLOR_ALPHA)); 
?> 

Output:

0.61

Program 2:

<?php 
  
// Create a new imagick object using __construct 
// function with a color as argument 
$imagickPixel = new ImagickPixel('#41bf63'); 
  
// Get the color 
echo $imagickPixel->getColorAsString(); 
?> 

Output:

srgb(65, 191, 99)

Program 3:

<?php 
  
// Create a new imagick object using __construct 
// function with a color as argument 
$imagickPixel = new ImagickPixel('#62c730'); 
  
// Create a new imagick object 
$imagick = new Imagick(); 
  
// Create a image on imagick object 
$imagick->newImage(800, 250, 'white'); 
  
// Create a new imagickDraw object 
$draw = new ImagickDraw(); 
  
// Set the color using imagickPixel 
$draw->setFillColor($imagickPixel); 
  
// Set the font size 
$draw->setFontSize(80); 
  
// Annotate a text 
$draw->annotation(100, 150, 'zambiatek'); 
  
// Render the draw commands 
$imagick->drawImage($draw); 
  
// Show the output 
$imagick->setImageFormat('png'); 
header("Content-Type: image/png"); 
echo $imagick->getImageBlob(); 
?> 