On Fri, May 16, 2014 at 3:06 PM, Justin Novosad <ju...@google.com> wrote:
> On Fri, May 16, 2014 at 5:42 PM, Rik Cabanier <caban...@gmail.com> wrote: > >> >> Is the Web page not composited in sRGB? If so, it seems the backing store >> should be sRGB too. >> >> > > The web page is not composited in sRGB. It is composited in the output > device's color space, which is often sRGB or close to sRGB, but not always. > A notable significant exception is pre Snow Leopard Macs that use a gamma > 1.8 transfer curve. > By the way, sniffing the display color profile through getImageData is a > known fingerprinting technique. This factor alone can be sufficient to > fingerprint a user who has a calibrated monitor. > I'm unable to reproduce what you're describing. So, if I fill with a color and repeatedly do a getImageData/putImageData, should I see color shifts?
