watermarking

Image watermarking in php

I want to watermark an image and save it. here is the code i am using for it. Here it is outputing the image and is storing that output to the file. I want to save it without outputting it. How can i do that? // Load the stamp and the photo to apply the watermark to $stamp = imagecreatefrompng('stamp.png'); $im = imagecreatefromjpeg('pr...

Text as watermarking in PHP

I want to create text as a watermark for an image. the water mark should have the following properties front: Impact color: white opacity: 31% Font style: regular, bold Bevel and Emboss size: 30 pixels how can i do that. any help? ...

ffmpeg imlib2.so watermarking troubles.

I am trying to watermark a flash video, but it throws long list of "Unsupported Codec" so, is flv not supported at all ? Do I need to convert it to .avi and watermark ? ...

Bitmap manipulation as a referenced object

I am working with a Bitmap object that I add annotations or copyright material to the image and then return the modified bitmap. My problem is that the Bitmap won't hold the changes made to it as it moves along the chain. I am treating it as a reference type and would assume that as it gets passed to each class it would carry the changes...

How to read watermarks with Python?

Is there any way to read metadata - watermarks from image files with Python? Thanks. ...

Codeigniter: watermarking images and saving the result in database

Hello all, I am trying to upload an image, put another image over it (like watermark) and save the result in the database, all using Codeigniters image_lib class. Here's the code: if ($_FILES['userfile']['error'] == 0 && $_FILES['userfile']['size'] > 0) { $uploaddir = "media/"; $fileName = $_FILES['userfile']['name']; ...

Who Uses Software Watermarking?

I'm a PhD student looking at software watermarking techniques and I always get asked 'who uses it?' The answer to which I don't know. There is a large amount of academic work on the subject (most notably from Collberg et al.) but very little indication of it's prevalence in industry. Software watermarking involves embedding a unique iden...

Clean up the surface on WaterMark of an Image

There is an image for the surface, and a text is written on the image for 184 rows of date.. Thus, it is expected to see 184 different text written image files are generated with all the same background images. (The code is declared below...) The problem is that the first text is written for all 184 different data.. I think I have to re...

php , gd, create watermark, change watermark text size and background color, imagecreatefromjpeg

I need to create a watermark apply it on a picture and save it with a different name . The current script works pretty well but the only problem is that I need to increase the size of the "sample text" and change the background from black to white . I tried different scenarios , changed the opacity but still can't change the background c...