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:

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<?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();
?>

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Output:

Program 2:

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<?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();
?>

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Output:

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



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