Re: GDIPlusX GetHue() and GetBrightness()

2022-07-01 Thread Paul Newton
Except Microsoft which uses 0-255 ! On 01/07/2022 14:41, Alan Bourke wrote: Paul The .NET syntax is very similar:https://dotnetfiddle.net/b2uIkS However it returns the lightness value in a range of 0 .. 1 so you have to multiply by 100 to express in a % which seems to be how everyone else doe

Re: GDIPlusX GetHue() and GetBrightness()

2022-07-01 Thread Alan Bourke
Paul The .NET syntax is very similar: https://dotnetfiddle.net/b2uIkS However it returns the lightness value in a range of 0 .. 1 so you have to multiply by 100 to express in a % which seems to be how everyone else does it. -- Alan Bourke alanpbourke (at) fastmail (dot) fm _

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2022-07-01 Thread List Administrator Account
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Re: GDIPlusX GetHue() and GetBrightness()

2022-07-01 Thread Paul Newton
You are right Alan so I have implemented conversion routines based on the following https://www.rapidtables.com/convert/color/hsl-to-rgb.html https://www.rapidtables.com/convert/color/rgb-to-hsl.html I also found this site useful for checking results http://www.workwithcolor.com/color-converte

Re: GDIPlusX GetHue() and GetBrightness()

2022-07-01 Thread Alan Bourke
I don't think its implementation of these methods is correct Paul, comparing with what .NET would return. -- Alan Bourke alanpbourke (at) fastmail (dot) fm ___ Post Messages to: ProFox@leafe.com Subscription Maintenance: https://mail.leafe.com/mai