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PHP | Gmagick annotateImage() Function
  • Last Updated : 28 Aug, 2019

The Gmagick::annotateImage() function is an inbuilt function in PHP which is used to annotates an image with text. This function returns True on success.

Syntax:

Gmagick Gmagick::annotateimage( $GmagickDraw, $x, $y, $angle, 
$text )

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

  • $GmagickDraw: This parameter is used to create an GmagickDraw object that contains settings for drawing the text.
  • $x: This parameter is set to horizontal offset in pixels to the left of text.
  • $y: This parameter is set to vertical offset in pixels to the baseline of text.
  • $angle: The angle at which to write the text.
  • $text: The string which needs to draw.

Return Value: This function returns Gmagick object with annotation made.

Below programs illustrate the Gmagick::annotateImage() function in PHP:



Program 1:




<?php
  
/* Create some objects */
$image = new Gmagick();
$draw = new GmagickDraw();
$pixel = new GmagickPixel('white');
  
/* New image */
$image->newImage(800, 300, $pixel);
  
/* Black text */
$draw->setFillColor('green');
  
/* Font properties */
$draw->setFont('Bookman-DemiItalic');
$draw->setFontSize( 30 );
  
/* Create text */
$image->annotateImage($draw, 30, 140, 0, 
   'GeeksforGeeks: A computer science portal');
  
/* Give image a format */
$image->setImageFormat('png');
  
/* Output the image with headers */
header('Content-type: image/png');
echo $image;
  
?>

Output:
annonate Image

Program 2:




<?php
  
/* Create some objects */
$image = new Gmagick();
$draw = new GmagickDraw();
$image = new Gmagick(
   
/* Black text */
$draw->setFillColor('green');
   
/* Font properties */
$draw->setFont('Bookman-DemiItalic');
$draw->setFontSize( 30 );
   
/* Create text */
$image->annotateImage($draw, 5, 120, 0, 
   'GeeksforGeeks: A computer science portal');
   
/* Give image a format */
$image->setImageFormat('png');
   
/* Output the image with headers */
header('Content-type: image/png');
echo $image;
   
?>

Output:
annonate image

Reference: http://php.net/manual/en/gmagick.annotateimage.php

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