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"there's no way to make an image file hold a clickable link" Not true since the days of TIFF. JPEG has application-specific tag and Exif data. PNG files are of
by robterrell 14y ago
"there's no way to make an image file hold a clickable link"
Not true since the days of TIFF. JPEG has application-specific tag and Exif data. PNG files are often abused to contain non-image data (i.e. Adobe Fireworks stores vector data after the end of the image). Even GIF files have a comment field!
So, stick the hyperlinks links inside JPEG tags. Use Exif so others can read them. Or make a Photoshop plugin that will display them and let the user click on them.
You could also stick the tags in using steganography, which is more in line with how a "watermark" should work.
- corin_ 14y agoNone of those ways are widely-enough used, the solution needs to be such that more than just a few people can a.) realise the link is there and b.) work out what it is.
- tedunangst 14y agoThe watermark is designed to be visible. You should know it's there without having to check for it. Additional meta data in exif data could be useful. Maybe they even have it, but since it involves more tools than looking at the image in my browser, I don't know if it's there or not.