This addon will create a RGB Histogram for color images and a Luminosity Histogram for grayscale photos. Options include whether you want a combined/overlayed histogram (red, green, and blue channels overlayed on each other) or a stacked histogram (red, green, and blue channels separated), width (default is 256 pixels wide by 100 pixels high) and the background color for the histogram. The latest version of this addon allows you to make histograms for a range of images and is accessed by the RGB-Histogram menu. Special thanks to wjarosz who helped map the values out more accurately and blend the colors on the combined histogram.
If you had the previous version of the addon, remove the admin_RGBhistogram.php file from your addons folder.
See a Demo - click on info & comments to see histogram
Another Demo - click on details
1.0 - Make Histograms from edit image menu. 1.2 - Added delete histograms 2.0 - Moved addon to Addon menu page - version deleted. 2.1 - Moved addon to it's own menu and allows mass create/delete of a selected range of photos 2.2 - Added code from wjarosz to better map histogram values and blend colors of histogram.
This is a very nice add for photographers. Since many of us live by the histogram is nice to be able to add the info to our posts. Nice touch! If youre looking for another demo you can checkout http://blog.robkennedy.net.
I too wish there was a way to automate the creation of the histogram, but beyond that, the addon does everything quite nicely, fairly quickly, and is a great addition to a photoblog.
I've been waiting for this addon since I first put my photoblog online! It is awesome! It works like a marvel. Unless I missed something, the only feature that is missing would be to have an automatic creation of the histogram instead of having to create it mannually for each photo.
Thanks Kevincrafts! Great Job!