> On 2016 Apr 30, at 15:37 , Michael <[email protected]> wrote: > > I'm trying to adjust an image, a .png file. What I want to do is a gamma > adjust, to lighten it. > > In the past, I remember a program, I think it was called Core Image Fun > House, or something like that, for doing that sort of thing; but that program > is no longer around. > > I did find some quartz composer transforms, including a gamma adjust, but > that opens in Quartz Composer, and that will not actually let me supply a > file to the transform. However, it tells me that I can use the transforms in > Photobooth or iPhoto. So, try photobooth -- but as far as I can tell, that > will only start with a camera picture, and I can't give it a file. So, try > iPhoto. And ... how in the heck are you expected to use iPhoto / what does it > actually do? In any event, I was able to drag the image in, apparently > putting a copy of it into the library, but then I could not actually apply > the quartz transforms. > > But I did find, under Edit, sliders to adjust colors. I was able to get a > "good enough" version, and then tried to save it. Err, Export it. > > But the exported was a copy of the original, without any of the edits. > > I cannot believe that a simple "apply this quartz filter", or "apply this > color profile as an adjustment" (there is a lighten, and a darken, color > profile for simple gamma adjusts), is this hard to do -- what simple tool am > I missing?
Graphic Converter from https://www.lemkesoft.de/en/image-editing-slideshow-browser-batch-conversion-metadata-and-more-on-your-mac/ does this. _______________________________________________ MacOSX-talk mailing list [email protected] http://www.omnigroup.com/mailman/listinfo/macosx-talk
