Posted By

barigazy on 07/17/12

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Last Edited at 07/17/12 04:23am

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Color Convert Functions

/ Published in: Maxscript

Easy way to convert color values using MXS

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--CONVERT RGB (0-255) TO HEXSTRING
fn RGBtoHEX clrRGB = (bit.intAsHex clrRGB.r)+(bit.intAsHex clrRGB.g)+(bit.intAsHex clrRGB.b)
RGBtoHEX (color 80 170 178)
-->"50aab2"
--CONVERT  HEXSTRING TO RGB (0-255)
fn HEXtoRGB hexString = 
(
	local clr, hexValue = true, hexChars = "AaBbCcDdEeFe0123456789"
	if hexString[1] == "#" do trimleft hexString "#"
	if ((for c in 1 to str.count where findstring hexChars str[c] == undefined collect str[c]).count != 0) do hexValue = false
	if (hexValue == true and hexString.count == 6) do
	(
		local clrArr = for i = 1 to 5 where mod i 2 != 0 collect (append hexString[i] hexString[i+1])
		clr = (color (bit.hexAsInt clrArr[1]) (bit.hexAsInt clrArr[2]) (bit.hexAsInt clrArr[3]))
	) ; return clr
)
HEXtoRGB "50aab2"
-->(color 80 170 178)
--CONVERT  RGB (0-255) TO FLOAT POINT COLOR
fn RGBtoFPC clrRGB = (color (clrRGB.r/255) (clrRGB.g/255) (clrRGB.b/255)) 
RGBtoFPC (color 80 170 178)
-->(color 0.313726 0.666667 0.698039)
--CONVERT  FLOAT POINT COLOR TO RGB (0-255)
fn FPCtoRGB clrFPC = (color (clrFPC.r*255) (clrFPC.g*255) (clrFPC.b*255))
FPCtoRGB (color 0.313726 0.666667 0.698039)
-->(color 80 170 178)
--CONVERT  DOTNET COLOR TO RGB (0-255)
fn DOTNETtoMXSRGB dnClr = (local clr ; clr = if classof dnClr.r == Integer do (color dnClr.r dnClr.g dnClr.b) ; clr) 
DOTNETtoMXSRGB ((dotNetClass "System.Drawing.Color").LightGray)
-->(color 211 211 211)
--CONVERT  DOTNET COLOR TO FLOAT POINT COLOR
fn DOTNETtoMXSFPC dnClr = (local clr ; clr = if classof dnClr.r == Integer do (color ((dnClr.r as Float)/255) ((dnClr.g as Float)/255) ((dnClr.b as Float)/255)) ; clr)
DOTNETtoMXSFPC ((dotNetClass "System.Drawing.Color").LightGray)
-->(color 0.827451 0.827451 0.827451)

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