This data basically carries details of the image which usually includes dimensions, focal length, device model, exposure time, shutter speed, etc. The data can be viewed and edited in your image editor by clicking on the properties of the image. From there you may add more information to the existing EXIF data such as a copyright notice, your name, etc. This is especially useful for photographers as they can include their personal or company details in each of their images.
Copyright is an extra step in protecting your images in a more official way. Though technically the copyright protection begins the moment a person captures the image, having some kind of document is very helpful when it comes to dealing with thieves. So, for further protection of your original content, you can register your copyright with the government. For this, you have to file an application containing your images and pay the copyright fee. A huge advantage of government registration is that it allows you to file a lawsuit for monetary damages against anyone using your copyrighted images without your permission.
When you register your images with copyrighted. It serves as a great deterrent to would-be thieves and can be linked to the related registration certificate for further details about your images and their author. Low-resolution images are perfect to be used on the internet for 2 reasons: they are smaller in size and load a lot faster and they cannot be used in print due to the low-resolution.
They also get a boost in search engine rankings which nobody will be opposed to. And despite the small resolution they still look great on screen and mobile devices. When downloaded, enlarged or printed they become grainy and pixelated and thus will be of no use for the potential thief. If you use WordPress you can disable the right click feature by installing plugins.
The no right click images plugin is the most frequently used plugin to protect images from direct downloading. Another common practice for stealing images is when thieves embed them directly on their websites. In this case, they will be loaded directly from the original source which is your website. Unfortunately, this not only results in the unlawful use of your images but also increases your bandwidth usage and puts extra load on your server.
Hotlinking can be easily disabled by editing your. Simply add the code below to your. This code blocks hotlinking but will still allow your images to be viewed on your website and in search results. In Course Navigation, click the Files link. Select File. Manage Visibility in Student Files. Schedule Student Availability. Feb 27 pm Mon Da 24hr Ex. Feb 27 Note: The time field is optional and will default to 12am if not selected. Update File. Click the Update button. View File. View the restricted status for the file.
Hover over the icon to view the details. Tags 4. Was this article helpful? Yes No. How do I download a folder in ZIP format as an instructor? How do I set usage rights and user access for a course file?
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I suggest to modify pdf. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Asked 10 years, 9 months ago. Active 1 year, 2 months ago. Viewed k times. I am thinking about converting those PDF files to Flash. Any other ideas? Improve this question. JJJ 32k 20 20 gold badges 86 86 silver badges 99 99 bronze badges. Costa Costa 3, 11 11 gold badges 43 43 silver badges 77 77 bronze badges.
You do know that anything you display to the user can be printed in some fashion or another If you serve it, they can find some way to use it. You can't stop a user from printing the screen.
If you have information you want to display and you don't want it being printed physically, PDF isn't exactly the format of choice. It's whole purpose is to be lovingly printed.
In my business, the need for the PDF to not be downloaded is due to not wanting customers to be able to easily share downloaded materials with other people. I make worksheets, and if they are easy to share, the customer is more likely to email them to a friend.
If sharing them is made more complicated, they are less likely to want to go to the trouble. Not being able to download them without having advanced computer knowledge is good enough for me. Hope this sheds light on a need in the industry. Things like being able to get a screen shot, etc. Hope this helps. I i — Janet Giel-Romo. Add a comment. Active Oldest Votes. Improve this answer. Legionar 7, 2 2 gold badges 36 36 silver badges 66 66 bronze badges.
Browsers' developer tools make it trivial to get at anything sent to the user, and you're not going to stop screen capture programs. Heck, the user could use their mobile phone to take pictures of the computer screen… — Donal Fellows. Right-click, view page source, get link of image under the transparent image.
It's been in Firefox for as long as I can remember. I think I remember it existing in Mozilla Suite back before it got pared down into Firebird, which then became Firefox.
I consider that under 'one of the ways of getting at it that requires digging into the source. I say you can lock it down 'hard' but not 'make it secure. Ultimately you will need to: Create Images for each page Present those to the user on the web via your own interface html, flash etc Keep in mind flash wont work on Apple devices if that's required.
Claudio Nastasi Junior 9 9 bronze badges. Mark Redman Mark Redman 23k 19 19 gold badges 88 88 silver badges bronze badges. I believe Chrome has currently removed support for all plugins but Flash and applied a whitelist for which sites are allowed to run Flash I can download this file - it give download and also print options like normal pdf — obaid.
Jonathan Thurft Jonathan Thurft 3, 7 7 gold badges 43 43 silver badges 73 73 bronze badges. If you encrypt the PDF you can control how printable and changeable it is.
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