On Fri, Jun 15, 2012 at 4:27 PM, Ryosuke Niwa <rn...@webkit.org> wrote:
> On Fri, Jun 15, 2012 at 4:24 PM, Tony Payne <tpa...@chromium.org> wrote: > >> I would like to change chromium's ImageDiff to reflect the magnitude of >> pixel changes. Currently, if the pixel has any difference, the entire pixel >> is marked as 100% red. I'd like to change it so that miniscule difference >> are 20% red and large differences are 100% red. Looking at the code for CG, >> gtk and Win versions of ImageDiff, I think they already do something >> similar. Is this correct? >> >> Would anyone be opposed to such a change? See the attached image for an >> example of how this could assist in debugging regressions. It would >> certainly be enormously useful in my color management efforts. >> > > People with Protanomaly like myself won't be too happy about it. I'm > already having a really hard time finding the red pixels on diffs without > zooming. > Fair enough, but that doesn't address the basic premise of distinguishing small deltas from large deltas. I'm sure we can find a UI that will work that achieves the desired goal
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