Color rendering bug with NW.js 12.0

Bugs will be moved here once resolved.

Post » Tue Mar 31, 2015 11:06 am

Problem Description
Color rendering changes with newest NW.js.

Attach a Capx
https://dl.dropboxusercontent.com/u/70562654/Bugreport_BrokenColors.capx

Description of Capx
Renders a single sprite object.

Steps to Reproduce Bug
    Keep Node Webkit 10.5 and NW.js 12.0 installed.
    Run C2 with NW 10.5.
    Take screenshot with printscreen.
    Run C2 with NW 12.0
    Take another screenshot.
    Compare color values in Photoshop/Gimp/Graphicsgale/etc.

Observed Result
Colors are different from both source image and NW 10.5 output

Expected Result
No color change.

Affected Browsers
    Node Webkit

Operating System and Service Pack
Windows 7 Personal Edition Service Pack 1

Construct 2 Version ID
r199
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Post » Wed Apr 01, 2015 12:56 pm

As far as I can see NW.js 0.12.0 preview mode in C2 looks identical to the C2 editor. Can you provide screenshots on Dropbox or somewhere else to compare? (The forum attachment system has been playing up lately so I don't know if you already attached pictures)
Scirra Founder
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Post » Wed Apr 01, 2015 1:12 pm

There was a thread earlier where images were posted:
color-weirdness-with-newest-nw-js_t127947

It's pretty obvious when you "diff" the two images.
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Post » Wed Apr 01, 2015 2:22 pm

Yeah, Eisenhans beat me to it :)

I'm starting to suspect it has something to do with the Spyder3 calibration utility/color profile I'm running. Turning it off didn't help but I'll try on a different PC when I have one around.
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Post » Mon Apr 13, 2015 1:02 pm

Well, I can't reproduce here... can you reproduce on another system without the color calibration software?
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Post » Tue Apr 14, 2015 1:57 pm

I just tried both nw.js versions on two different computers with Win7 and webgl capability and there was no color output difference to be seen at all. So just unruly color calibration kicking in when it shouldn't I guess? Sorry about the false alarm.
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