Today I will show you how to insert watermark on your images. Sometime you don't want spend time to edit picture in Photoshop by just only place text on your copyright image.
You can do this by upload your image and do everything in PHP. Following simple steps below you will learn how to add watermark text to image in php.
Also Read
The below are functions that we will use in this article.
Functions | Description |
---|---|
imagecreatefrompng() |
Create object original image png file |
imagecolorallocate() |
Set text color |
imagettftext() |
Add text to image |
imagepng() |
Save new image as png |
getimagesize() |
Get info about width and height image |
imagedestroy() |
Free clear memory associated with image |
Example #1 - Using png file.
<?php
$sourceImage = "original_photo.png";
// New image name to be watermarked
$desImage = "original_photo_watermarked.png";
// Create image object from PNG file.
$imgToBeWatermark= imagecreatefrompng($sourceImage);
// Your path may different
$font = "C:\Windows\Fonts\arial.ttf";
$watermarkText = "cambotutorial.com png";
$fontSize = 24;
// Image to be watermarked quality (0 to 9)
$quality = 6;
//get size height and width
$size = getimagesize($sourceImage);
// RGB color white 255,255,255
$fontcolor = imagecolorallocate($imgToBeWatermark, 255, 255, 255);
$posX = $size[0] - 350; // Watermark move to left 350
$posY = $size[1] - 30; // Watermark move to top 30
imagettftext($imgToBeWatermark, $fontSize, 0, $posX, $posY, $fontcolor, $font, $watermarkText);
// Save new png image
imagepng($imgToBeWatermark, $desImage, $quality);
// Clear memory
imagedestroy($imgToBeWatermark);
?>
Output #1
Example #2 - Using jpeg file.
<?php
$sourceImage = "original_photo.jpg";
// New image name to be watermarked
$desImage = "original_photo_watermarked.jpg";
// Create image object from PNG file.
$imgToBeWatermark= imagecreatefromjpeg($sourceImage);
// Your path may different
$font = "C:\Windows\Fonts\arial.ttf";
$watermarkText = "cambotutorial.com jpeg";
$fontSize = 24;
// Image to be watermarked quality (0 to 100)
$quality = 60;
//get size height and width
$size = getimagesize($sourceImage);
// RGB color white 255,255,255
$fontcolor = imagecolorallocate($imgToBeWatermark, 255, 255, 255);
$posX = $size[0] - 350; // Watermark move to left 350
$posY = $size[1] - 30; // Watermark move to top 30
imagettftext($imgToBeWatermark, $fontSize, 0, $posX, $posY, $fontcolor, $font, $watermarkText);
// Save new png image
imagejpeg($imgToBeWatermark, $desImage, $quality);
// Clear memory
imagedestroy($imgToBeWatermark);
?>
Output #2
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