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api: add and use rgbhex function

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* A memoizing method to cache and return hex colorstrings from rgb input.
* Refactor all occurences of adhoc rgb to hex string concatenation to use the new method
* Refactor chat module to use it
This commit is contained in:
Road-block
2019-04-29 19:38:55 +03:00
committed by shagu
parent 0ea4d54f24
commit cf4c9ac361
8 changed files with 58 additions and 28 deletions
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api/api.lua
+41 -8
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@@ -87,7 +87,7 @@ function pfUI.api.GetUnitColor(unitstr)
r, g, b = RAID_CLASS_COLORS[class].r, RAID_CLASS_COLORS[class].g, RAID_CLASS_COLORS[class].b
end
return string.format("|cff%02x%02x%02x", r * 255, g * 255, b * 255), r, g, b
return pfUI.api.rgbhex(r,g,b), r, g, b
end
-- [ strvertical ]
@@ -680,7 +680,7 @@ function pfUI.api.SetAutoPoint(frame, parent, spacing)
end
end
-- [ GetDefaultColors ]
-- [ GetStringColor ]
-- Queries the pfUI setting strings and extract its color codes
-- returns r,g,b,a
local color_cache = {}
@@ -692,6 +692,39 @@ function pfUI.api.GetStringColor(colorstr)
return unpack(color_cache[colorstr])
end
-- [ rgbhex ]
-- Returns color format from color info
-- 'r' [table or number] color table or r color component
-- 'g' [number] optional g color component
-- 'b' [number] optional b color component
-- 'a' [number] optional alpha component
-- returns color string in the form of '|caaxxyyzz'
local hexcolor_cache = {}
function pfUI.api.rgbhex(r, g, b, a)
local key
if type(r)=="table" then
local _r,_g,_b,_a
if r.r then
_r,_g,_b,_a = r.r, r.g, r.b, r.a or 1
elseif table.getn(r) >= 3 then
_r,_g,_b,_a = r[1], r[2], r[3], r[4] or 1
end
if _r and _g and _b and _a then
key = string.format("%s%s%s%s",_r,_g,_b,_a)
if hexcolor_cache[key] == nil then
hexcolor_cache[key] = string.format("|c%02x%02x%02x%02x", _a*255, _r*255, _g*255, _b*255)
end
end
elseif tonumber(r) and g and b then
a = a or 1
key = string.format("%s%s%s%s",r,g,b,a)
if hexcolor_cache[key] == nil then
hexcolor_cache[key] = string.format("|c%02x%02x%02x%02x", a*255, r*255, g*255, b*255)
end
end
return hexcolor_cache[key] or ""
end
-- [ Create Backdrop ]
-- Creates a pfUI compatible frame as backdrop element
-- 'f' [frame] the frame which should get a backdrop.
@@ -887,19 +920,19 @@ function pfUI.api.GetColoredTimeString(remaining)
if not remaining then return "" end
if remaining > 99 * 60 * 60 then
local r,g,b,a = pfUI.api.GetStringColor(C.appearance.cd.daycolor)
return "|cff" .. string.format("%02x%02x%02x", r*255, g*255, b*255) .. round(remaining / 60 / 60 / 24) .. "|rd"
return pfUI.api.rgbhex(r,g,b) .. round(remaining / 60 / 60 / 24) .. "|rd"
elseif remaining > 99 * 60 then
local r,g,b,a = pfUI.api.GetStringColor(C.appearance.cd.hourcolor)
return "|cff" .. string.format("%02x%02x%02x", r*255, g*255, b*255) .. round(remaining / 60 / 60) .. "|rh"
return pfUI.api.rgbhex(r,g,b) .. round(remaining / 60 / 60) .. "|rh"
elseif remaining > 99 then
local r,g,b,a = pfUI.api.GetStringColor(C.appearance.cd.minutecolor)
return "|cff" .. string.format("%02x%02x%02x", r*255, g*255, b*255) .. round(remaining / 60) .. "|rm"
return pfUI.api.rgbhex(r,g,b) .. round(remaining / 60) .. "|rm"
elseif remaining <= 5 then
local r,g,b,a = pfUI.api.GetStringColor(C.appearance.cd.lowcolor)
return "|cff" .. string.format("%02x%02x%02x", r*255, g*255, b*255) .. string.format("%.1f", round(remaining,1))
return pfUI.api.rgbhex(r,g,b) .. string.format("%.1f", round(remaining,1))
elseif remaining >= 0 then
local r, g, b, a = pfUI.api.GetStringColor(C.appearance.cd.normalcolor)
return "|cff" .. string.format("%02x%02x%02x", r*255, g*255, b*255) .. round(remaining)
return pfUI.api.rgbhex(r,g,b) .. round(remaining)
else
return ""
end
@@ -928,7 +961,7 @@ function pfUI.api.GetColorGradient(perc)
local r = r1 + (r2 - r1)*perc
local g = g1 + (g2 - g1)*perc
local b = b1 + (b2 - b1)*perc
local h = string.format("|cff%02x%02x%02x", r*255, g*255, b*255)
local h = pfUI.api.rgbhex(r,g,b)
gradientcolors[perc] = {}
gradientcolors[perc].r = r