Tổng quan về hàm Gmagick::commentImage() trong PHP

<?php
// Create a Gmagick object
$imagedata = file_get_contents('https://static-xf1.vietnix.vn/wp-content/uploads/2023/02/vietnix.png');
$image1 = new Gmagick();
$image1->readImageBlob($imagedata);

// Add comment to the image
$image1->commentImage("Vietnix Hosting");

// Set the image format (if needed)
$image1->setImageFormat('png');

$image1->write('./hinhanh/new.png');

// Display the image with the comment
header('Content-type: image/png');
echo $image1;
?>

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<?php
$string = "Vietnix Hosting VPS tốc độ cao !";

// Create a new GmagickDraw object
$draw = new GmagickDraw();
$draw->setFillColor(new GmagickPixel('white'));

// Create a new Gmagick image
$im = new Gmagick();

// Create a white background image. The color is specified as a string.
$width = 630;
$height = 100;
$im->newImage($width, $height, "#38a7ff");

// Now calculate font metrics
$fontPath = './font/Exo2-VariableFont_wght.ttf';
$draw->setFont($fontPath);
$draw->setFontSize(40);
$metrics = $im->queryFontMetrics($draw, $string);

// Draw the text on the image using GmagickDraw
$im->annotateImage($draw, 30, 60, 0, $string);

// Set the image format and add a yellow border
$im->setImageFormat('png');
$im->borderImage('yellow', 15, 15);

// Draw the image          
$im->drawImage($draw); 
  
// Function to add comment 
$im->commentImage("Vietnix Hosting"); 
  
// Printing Added Comment
$result = $im->getImageProperties("comment"); 
echo $result;

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

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