Created
November 19, 2016 05:03
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' Color を引数にとってHSVの値をダブル型の配列(3)として返す | |
' 2016/11/19 https://ja.wikipedia.org/wiki/HLS%E8%89%B2%E7%A9%BA%E9%96%93 を参考に白を近似色で選ぶように変更 | |
Function GetHSB(pColor As Color) As Double() | |
Dim hsbH As Double | |
Dim hsbS As Double | |
Dim hsbB As Double | |
With pColor | |
Dim rgbArray As Double() = {.R, .G, .B} | |
hsbH = .GetHue() | |
hsbH = hsbH / 360 '0~1に直す | |
'hsbS = .GetSaturation() | |
'hsbB = .GetBrightness() 'RGBの最大値にした方が結果に近いようだ。 | |
hsbS = (rgbArray.Max - rgbArray.Min) '/ (1 - Abs(.Max + .Min - 1)) '円柱モデルだと黒が無くなってしまうので双円錐モデルを採用 | |
hsbB = (rgbArray.Max) ' + rgbArray.Min) / 2 '平均を取る方だと.GetBrightness()と同じ結果になる | |
End With | |
Dim hsbArray() As Double = {hsbH, hsbS, hsbB} | |
Return hsbArray | |
End Function |
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