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