PHP | ImagickDraw annotation() Function

The ImagickDraw::annotation() function is an inbuilt function in PHP which is used to draw the text on the image.

Syntax:

bool ImagickDraw::annotation( $x, $y, $text )

Parameters: This function accepts three parameters as mentioned above and described below:

• $x: This parameter is used to hold the value of x coordinate where text is to be drawn.
• $y: This parameter is used to hold the value of y coordinate where text is to be drawn.
• $text: This parameter is used to hold the value of string to draw on the image.

Return Value: This function does not return an value.

Below programs illustrates the ImagickDraw::annotation() function in PHP:

Program 1:

<?php

// Create an ImagickDraw Object
$draw = new ImagickDraw();

// Set Fill Color
$draw->setFillColor('white');

// Set FOnt Size
$draw->setFontSize(20);

// Set Text
$draw->annotation(5, 75, "Geeksforgeeks!");
$draw->annotation(150, 75, "sarthak_ishu11");

// Create new Imagick Object
$imagick = new Imagick();
$imagick->newImage(300, 160, 'green');

// Set Image Format
$imagick->setImageFormat("png");
$imagick->drawImage($draw);
header("Content-Type: image/png");

// Display Image on Screen
echo $imagick->getImageBlob();
?>

Output:

Program 2:

<?php

// Create an ImagickDraw Object
$draw = new ImagickDraw();

// Set Stroke Opacity
$draw->setStrokeOpacity(1);

// Set Stroke Color
$draw->setStrokeColor('Black');

// Set Fill Color
$draw->setFillColor('Green');

// Set Stroke Width
$draw->setStrokeWidth(3);

// Define the points
$points = [
        ['x' => 40 * 5, 'y' => 10 * 5],
        ['x' => 20 * 5, 'y' => 20 * 5],
        ['x' => 70 * 5, 'y' => 50 * 5],
        ['x' => 40 * 5, 'y' => 10 * 5]
    ];

// Set the Font Size
$draw->setFontSize(50);

// Set the font family
$draw->setFontFamily('Ubuntu-Mono');

// Set the text to be added
$draw->annotation(30, 40, "GeeksForGeeks");

// Call Polyline Function
$draw->polyline($points);

// Create an Imagick Object
$image = new Imagick();

// Create new Image
$image->newImage(500, 300, 'white');

// Set Image Format
$image->setImageFormat("png");

// Draw Image
$image->drawImage($draw);

header("Content-Type: image/png");
// Display the output image
echo $image->getImageBlob();
?>

Output:

Program 3:

<?php
//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 text properties
$draw->setFontSize(110);
$draw->setFillColor('green');

// Apply the annotation() function
$draw->annotation(20, 120, 'GeeksforGeeks');

// Set the text properties
$draw->setFontSize(40);
$draw->setFillColor('black');

// Apply the annotation() function
$draw->annotation(70, 200, 'A computer science portal for geeks');

//  Render the draw commands in the ImagickDraw object
$imagick->drawImage($draw);

// Show the output
$imagick->setImageFormat("png");
header("Content-Type: image/png");
echo $imagick->getImageBlob();
?>

Output:

Reference: http://php.net/manual/en/imagickdraw.annotation.php