PHP | ImagickPixel __construct() Function

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, 'GeeksforGeeks');

// 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/imagickpixel.construct.php