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Message #28399
Re: [PATCH] Add WithAlpha method to COLOR4D
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To:
<kicad-developers@xxxxxxxxxxxxxxxxxxx>
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From:
Maciej Sumiński <maciej.suminski@xxxxxxx>
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Date:
Thu, 2 Mar 2017 14:08:11 +0100
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Hi John,
Thank you for the patch, I have just committed it.
Cheers,
Orson
On 03/02/2017 06:52 AM, John Beard wrote:
> Hi,
>
> Here's a patch to add a new method to COLOR4D: WithAlpha. This means
> you can do this:
>
> const COLOR4D color = getSomeColor(); //could be an argument or static const
>
> gal.SetStrokeColor( color.WithAlpha( 0.5 ) );
>
> Rather than:
>
> const COLOR4D color = getSomeColor(); //could be an argument or static const
>
> COLOR4D temp = color; //don't modify base color
> color.a = 0.5;
> gal.SetStrokeColor( temp );
>
> or the shorter but less readable:
>
> gal.SetStrokeColor( { color.r, color.g, color.b, 0.5 } );
>
> It also uses transparent sanity checking in debug builds.
>
> Cheers,
>
> John
>
>
>
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