Scott, I've just been fooling around with the images in your
colorshift stack. I found that the photoshop image has a gamma-
correction chunk, and that the value is different from the value
returned by the screenGamma function in rev. On my machine (mac book
pro), the default screenGamma
Scott,
Not to throw too big of a monkeywrench into the mix... but on XP your top 3
images record the following RGB values (from left to right)
Mac color (as stated) PC Color
255,96,0 255,120,0
102,205,0 255,102,0
Chipp Walters wrote:
We went through this a few years ago and I then created another stack as
well. Since then, I've pretty much tried not to use PNG's for cross platform
development. But, in some cases, it's necessary...like non-square buttons.
Anyone who figures a way around this should get
Recently, Bridger Maxwell wrote:
A friend of mine cooked up a fix. He created an automator action that
will change all the files from png to jpg by making a new jpg image
and pasting the png into it. Apparently, when simply saving the png
to a jpg (from Preview) it does not solve the
Here's a function that should strip the gamma-correction out of a
file. I can't see any before and after difference in the files I've
tried it on, but maybe it could help. Also, be sure to try it on
copies of your prcious files, as it over-writes the file it works on...
on stripGC pFile
On Dec 12, 2007, at 10:59 PM, Bridger Maxwell wrote:
Hey,
I am experiencing an odd problem with the way some images in my stack
created on Leopard show up on Tiger. Their colors get off. Some grey
images end up with a very distinctive blue tint.
Are you running on Leopard on an Intel
On Dec 14, 2007, at 8:01 AM, Mark Smith wrote:
Here's a function that should strip the gamma-correction out of a
file. I can't see any before and after difference in the files I've
tried it on, but maybe it could help. Also, be sure to try it on
copies of your prcious files, as it
Recently, Mark Smith wrote:
Here's a function that should strip the gamma-correction out of a
file. I can't see any before and after difference in the files I've
tried it on, but maybe it could help.
A great effort Mark, but in fact the script seems to shift the colors of
test images I tried
Ah. Worked really well, then :)
I'll see if I can work out what pngOptimiser does...
Best,
Mark
On 14 Dec 2007, at 19:24, Scott Rossi wrote:
A great effort Mark, but in fact the script seems to shift the
colors of
test images I tried over here even more out of whack. :-)
Bridger Maxwell wrote:
Hey,
I am experiencing an odd problem with the way some images in my stack
created on Leopard show up on Tiger. Their colors get off. Some grey
images end up with a very distinctive blue tint. I can't quite pinpoint the
cause though. The problem does not happen to
A friend of mine cooked up a fix. He created an automator action that
will change all the files from png to jpg by making a new jpg image
and pasting the png into it. Apparently, when simply saving the png
to a jpg (from Preview) it does not solve the problem. This is
definitely a Revolution
Hey,
I am experiencing an odd problem with the way some images in my stack
created on Leopard show up on Tiger. Their colors get off. Some grey
images end up with a very distinctive blue tint. I can't quite pinpoint the
cause though. The problem does not happen to all images, but I can't
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