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fillcolor boolean discrepancy

Participant ,
Jan 29, 2018 Jan 29, 2018

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Hey everyone,

Could someone explain the below (console) behavior for me? ( Nb. f1. is a text field that is gray.)

f1.fillColor==color.gray

false

f1.fillColor

G,0.5

color.gray

G,0.5

I'd like to use the background color for booleans , but because the top comparison fails I'm at a loss.

For this particular instance I have a workaround but for my overall understanding I'd be happy to know why this works this way

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Acrobat SDK and JavaScript , Windows

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correct answers 1 Correct answer

Community Expert , Jan 29, 2018 Jan 29, 2018

Color objects are actually an array, and arrays can't be compared to each other directly in JS.

So this code will return false:

[1]  == [1]

The solution is to use the built-in equal method of the color object.

For example, this will return true:

color.equal(color.red, ["RGB", 1, 0, 0])

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Community Expert ,
Jan 29, 2018 Jan 29, 2018

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Color objects are actually an array, and arrays can't be compared to each other directly in JS.

So this code will return false:

[1]  == [1]

The solution is to use the built-in equal method of the color object.

For example, this will return true:

color.equal(color.red, ["RGB", 1, 0, 0])

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Community Expert ,
Jan 29, 2018 Jan 29, 2018

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You can use this:

f1.fillColor.join('|') == color.gray.join('|')

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Community Expert ,
Jan 29, 2018 Jan 29, 2018

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Why would you want to do that if you have a perfectly good built-in comparison method, that even converts the two values to the same color-space, if needed?
For example, this returns true:

color.equal(["RGB",1,1,0], ["CMYK",0,0,1,0])

This returns false:

["RGB",1,1,0].join('|') == ["CMYK",0,0,1,0].join('|')

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Community Expert ,
Jan 29, 2018 Jan 29, 2018

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I have only found the join solution.

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Participant ,
Feb 05, 2018 Feb 05, 2018

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Thank you, good to know!

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