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The Colour Picker

Various issues with the colour picker.

https://dl.dropboxusercontent.com/u/1315574/sRGB-HexInput.mp4

In this video you will see:

1) When pasting a value in the hex entry box, although the New colour box updates to show change, when pressing OK, nothing changes, still using old colour, unless you make some other change in the colour picker to force an update.

2) Sometimes when you click in the hex entry boxes the value changes. like at the beginning of the vid, before I click in the Linear hex box it displays FF1300FF, but when clicked, it changes to FF1200FF for some indeterminable reason and the sRGB hex box changes from FF4D00FF to FF4B00FF, though probably just to adjust itself to the changed Linear input.

3) Colour wheel stays in Linear RGB when sRGB preview is selected. not a bug but I thought you should know it's very confusing. If the engine uses sRGB, then why isn't the sRGB preview on by default? Until I realised what that button did, I didn't know what was going on. ie: pick red, get orange. "what the? :S"

Also:

Feature or bug? - Massive lag (cpu) when using colour picker. Someone from Slack chat said the cause was "Icons in materials auto refresh when you change the color in the picker".

Product Version: UE 4.12
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asked Jul 11 '16 at 08:45 PM in Bug Reports

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KWS
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Hello KWS,

Thank you for taking the time to write up your findings on the color picker. Here is my assessment to your points in the same order for clarity.

  1. After copying or pasting a Hex code value into the hex fields you will need to apply the value by pressing the enter or return key. Although a little confusing, it is expected that you need to allow the Color Picker to accept the pasted Hex Code values in order to see the change.

  2. I was able to test and confirm what you are reporting for this issue. I went ahead and entered a bug, UE-33087 to address the hex values changing between clicks of the hex fields.

  3. The sRGB checkbox changes the visualization of the color represented by the RGBA values, but shouldn't actually change the values themselves. Hence it is correct that the values do not alter when toggling the sRGB checkbox.

The final issue you mentioned has also been reported as UE-32785. It has been fixed for 4.13 and should be integrated with its release.

For the most part we ask that when reporting a bug on the AnswerHub we keep it at a one to one ratio. Even if it deals with the same feature e.g. the Color Picker. This helps with tracking individual issues so others can easily find related posts so they don't have to create a duplicate in order to find a solution more quickly.

If you have further questions or need additional assistance please let me know.

Cheers,

Andrew Hurley

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answered Jul 12 '16 at 07:19 PM

avatar image KWS Jul 14 '16 at 12:32 AM

Thank you for your thorough investigation.

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