On 13 August 2010 02:57, James Cox <jaycox@xxxxxxxx> wrote: >> You don't need to worry that the sRGB gamut is rather small since, >> because GEGL is using float, it can represent values outside the gamut >> as less than 0 or greater than 1. > > That sounds good in theory, but there will be some very sharp edges in > practice. What does the UI for the curve tool look like when possible > values are -FLOATMAX to +FLOATMAX. What does the contrast tool do with > values above 1.0. When I blend some layers with multiply mode they can > only get darker right? scRGB actually does define a range, -0.5 to +7.5, according to wikipedia, so tools like the levels dialog are not totally in the dark. > I open up an image to make a small change to one corner. Why did other > parts of my image change color slightly? Because Round tripping through a > color profile is not lossless (some profiles are worse than others). Well, that's certainly true. Though open/edit/save, at least for JPEGs, will always change the image slightly, even in applications that support device space editing. It's a question of how significant the differences are. John _______________________________________________ Gimp-developer mailing list Gimp-developer@xxxxxxxxxxxxxxxxxxxxxx https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-developer