From 334ba97eda5e6a23bf70122e5a75d11c442af2d6 Mon Sep 17 00:00:00 2001
From: James Whitehead II <jnwhiteh@gmail.com>
Date: Mon, 9 Apr 2007 20:10:00 +0000
Subject: [PATCH] * Added PerfectRaid_Utils to cover the old DongleUtils
 library stuff

---
 PerfectRaid_Utils.lua |   65 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 PerfectRaid_Utils.lua

diff --git a/PerfectRaid_Utils.lua b/PerfectRaid_Utils.lua
new file mode 100644
index 0000000..3c02f5e
--- /dev/null
+++ b/PerfectRaid_Utils.lua
@@ -0,0 +1,65 @@
+local DongleUtils = {}
+PerfectRaid.utils = DongleUtils
+
+function DongleUtils.RGBToHex(r, g, b)
+	return string.format("%02x%02x%02x", r, g, b)
+end
+
+
+function DongleUtils.RGBPercToHex(r, g, b)
+	return string.format("%02x%02x%02x", r*255, g*255, b*255)
+end
+
+
+function DongleUtils.HexToRGB(hex)
+	local rhex, ghex, bhex = string.sub(hex, 1, 2), string.sub(hex, 3, 4), string.sub(hex, 5, 6)
+	return tonumber(rhex, 16), tonumber(ghex, 16), tonumber(bhex, 16)
+end
+
+
+function DongleUtils.HexToRGBPerc(hex)
+	local rhex, ghex, bhex = string.sub(hex, 1, 2), string.sub(hex, 3, 4), string.sub(hex, 5, 6)
+	return tonumber(rhex, 16)/255, tonumber(ghex, 16)/255, tonumber(bhex, 16)/255
+end
+
+
+function DongleUtils.ColorGradient(perc, ...)
+	local num = select("#", ...)
+	local hexes = type(select(1, ...)) == "string"
+
+	if perc == 1 then
+		if hexes then return select(num, ...)
+		else return select(num-2, ...), select(num-1, ...), select(num, ...) end
+	end
+
+	if not hexes then num = num / 3 end
+
+	local segment, relperc = math.modf(perc*(num-1))
+	local r1, g1, b1, r2, g2, b2
+	if hexes then
+		r1, g1, b1 = DongleUtils.HexToRGBPerc(select(segment+1, ...))
+		r2, g2, b2 = DongleUtils.HexToRGBPerc(select(segment+2, ...))
+	else
+		r1, g1, b1 = select((segment*3)+1, ...), select((segment*3)+2, ...), select((segment*3)+3, ...)
+		r2, g2, b2 = select((segment*3)+4, ...), select((segment*3)+5, ...), select((segment*3)+6, ...)
+	end
+
+	if hexes then
+		return DongleUtils.RGBToHex(r1 + (r2-r1)*relperc,
+			g1 + (g2-g1)*relperc,
+			b1 + (b2-b1)*relperc)
+	else
+		return r1 + (r2-r1)*relperc,
+			g1 + (g2-g1)*relperc,
+			b1 + (b2-b1)*relperc
+	end
+end
+
+
+function DongleUtils.GetHPSeverity(perc, class)
+	if not class then return DongleUtils.ColorGradient(perc, 1,0,0, 1,1,0, 0,1,0)
+	else
+		local c = RAID_CLASS_COLORS[class]
+		return DongleUtils.ColorGradient(perc, 1,0,0, 1,1,0, c.r,c.g,c.b)
+	end
+end
-- 
1.7.9.5