Module:Color contrast - Revision history

Ondo: 2 revisions imported from :wikipedia:Module:Color_contrast: see Topic:Vtixlm0q28eo6jtf

2021-05-21T11:41:58Z

2 revisions imported from wikipedia:Module:Color_contrast: see Topic:Vtixlm0q28eo6jtf

← Older revision	Revision as of 11:41, 21 May 2021
(No difference)

Ondo: 52 revisions imported from :templatewiki:Module:Color_contrast

2019-11-16T09:59:40Z

52 revisions imported from templatewiki:Module:Color_contrast

← Older revision		Revision as of 09:59, 16 November 2019
Line 1:		Line 1:
	--		--
	-- This module implements		-- This module implements
	-- {{Color contrast ratio}}		-- {{Color contrast ratio}}
	-- {{Greater color contrast ratio}}		-- {{Greater color contrast ratio}}
Line 9:		Line 9:
	local HTMLcolor = mw.loadData( 'Module:Color contrast/colors' )		local HTMLcolor = mw.loadData( 'Module:Color contrast/colors' )

	local function sRGB (v)		local function sRGB ( v )
	if (v <= 0.03928) then		if (v <= 0.03928) then
	v = v / 12.92		v = v / 12.92
	else		else
Line 18:		Line 18:
	end		end

	local function rgbdec2lum(R, G, B)		local function rgbdec2lum( R, G, B )
	if ( 0 <= R and R < 256 and 0 <= G and G < 256 and 0 <= B and B < 256 ) then		if ( 0 <= R and R < 256 and 0 <= G and G < 256 and 0 <= B and B < 256 ) then
	return 0.2126 * sRGB(R/255) + 0.7152 * sRGB(G/255) + 0.0722 * sRGB(B/255)		return 0.2126 * sRGB(R/255) + 0.7152 * sRGB(G/255) + 0.0722 * sRGB(B/255)
Line 26:		Line 26:
	end		end

	local function hsl2lum(h, s, l)		local function hsl2lum( h, s, l )
	if ( 0 <= h and h < 360 and 0 <= s and s <= 1 and 0 <= l and l <= 1 ) then		if ( 0 <= h and h < 360 and 0 <= s and s <= 1 and 0 <= l and l <= 1 ) then
	local c = (1 - math.abs(2l - 1))s		local c = (1 - math.abs(2l - 1))s
Line 58:		Line 58:
	end		end

	local function color2lum(c)		local function color2lum( c )

	if (c == nil) then		if (c == nil) then
Line 82:		Line 82:
	end		end

	-- convert from hsl		-- convert from hsl
	if mw.ustring.match(c,'^hsl%([%s][0-9][0-9%.][%s],[%s][0-9][0-9%.]%%[%s],[%s][0-9][0-9%.]%%[%s]*%)$') then		if mw.ustring.match(c,'^hsl%([%s][0-9][0-9%.][%s],[%s][0-9][0-9%.]%%[%s],[%s][0-9][0-9%.]%%[%s]*%)$') then
	local h, s, l = mw.ustring.match(c,'^hsl%([%s]([0-9][0-9%.])[%s],[%s]([0-9][0-9%.])%%[%s],[%s]([0-9][0-9%.])%%[%s]*%)$')		local h, s, l = mw.ustring.match(c,'^hsl%([%s]([0-9][0-9%.])[%s],[%s]([0-9][0-9%.])%%[%s],[%s]([0-9][0-9%.])%%[%s]*%)$')
	return hsl2lum(tonumber(h), tonumber(s)/100, tonumber(l)/100)		return hsl2lum(tonumber(h), tonumber(s)/100, tonumber(l)/100)
	end		end

	-- convert from rgb		-- convert from rgb
	if mw.ustring.match(c,'^rgb%([%s][0-9][0-9][%s],[%s][0-9][0-9][%s],[%s][0-9][0-9][%s]*%)$') then		if mw.ustring.match(c,'^rgb%([%s][0-9][0-9][%s],[%s][0-9][0-9][%s],[%s][0-9][0-9][%s]*%)$') then
	local R, G, B = mw.ustring.match(c,'^rgb%([%s]([0-9][0-9])[%s],[%s]([0-9][0-9])[%s],[%s]([0-9][0-9])[%s]*%)$')		local R, G, B = mw.ustring.match(c,'^rgb%([%s]([0-9][0-9])[%s],[%s]([0-9][0-9])[%s],[%s]([0-9][0-9])[%s]*%)$')
	return rgbdec2lum(tonumber(R), tonumber(G), tonumber(B))		return rgbdec2lum(tonumber(R), tonumber(G), tonumber(B))
	end		end

	-- convert from rgb percent		-- convert from rgb percent
	if mw.ustring.match(c,'^rgb%([%s][0-9][0-9%.]%%[%s],[%s][0-9][0-9%.]%%[%s],[%s][0-9][0-9%.]%%[%s]*%)$') then		if mw.ustring.match(c,'^rgb%([%s][0-9][0-9%.]%%[%s],[%s][0-9][0-9%.]%%[%s],[%s][0-9][0-9%.]%%[%s]*%)$') then
	local R, G, B = mw.ustring.match(c,'^rgb%([%s]([0-9][0-9%.])%%[%s],[%s]([0-9][0-9%.])%%[%s],[%s]([0-9][0-9%.])%%[%s]*%)$')		local R, G, B = mw.ustring.match(c,'^rgb%([%s]([0-9][0-9%.])%%[%s],[%s]([0-9][0-9%.])%%[%s],[%s]([0-9][0-9%.])%%[%s]*%)$')
	return rgbdec2lum(255tonumber(R)/100, 255tonumber(G)/100, 255*tonumber(B)/100)		return rgbdec2lum(255tonumber(R)/100, 255tonumber(G)/100, 255*tonumber(B)/100)
	end		end

	-- remove leading # (if there is one) and whitespace		-- remove leading # (if there is one) and whitespace
Line 121:		Line 121:
	-- failure, return blank		-- failure, return blank
	return ''		return ''
	~~end~~

	~~-- This exports the function for use in other modules.~~
	~~-- The colour is passed as a string.~~
	~~function p._lum(color)~~
	~~return color2lum(color)~~
	end		end

Line 147:		Line 141:
	ratio2 = (ratio2 < 1) and 1/ratio2 or ratio2		ratio2 = (ratio2 < 1) and 1/ratio2 or ratio2
	end		end

	if css then		if css then
	local c1 = args[1] or ''		local c1 = args[1] or ''
Line 164:		Line 158:
	return 'background-color:' .. c1 .. '; color:' .. ((ratio1 > 0) and (ratio2 > 0) and ((ratio1 + bias > ratio2) and c2 or c3) or '') .. ';'		return 'background-color:' .. c1 .. '; color:' .. ((ratio1 > 0) and (ratio2 > 0) and ((ratio1 + bias > ratio2) and c2 or c3) or '') .. ';'
	end		end

	return (ratio1 > 0) and (ratio2 > 0) and ((ratio1 + bias > ratio2) and c2 or c3) or ''		return (ratio1 > 0) and (ratio2 > 0) and ((ratio1 + bias > ratio2) and c2 or c3) or ''
	end		end
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	end		end

	~~--[[~~
	~~Use {{#invoke:Color contrast\|somecolor}} directly or~~
	~~{{#invoke:Color contrast}} from a wrapper template.~~

	~~Parameters:~~
	~~-- \|1= — required; A color to check.~~
	~~--]]~~
	function p.lum(frame)		function p.lum(frame)
	~~local color =~~ frame.args[1] or frame:getParent().args[1]		return color2lum(frame.args[1] or frame:getParent().args[1])
	~~return p._lum(color~~)
	end		end

wikipedia>Johnuniq: fix unintended color2lum global error which is causing errors; clean whitespace

2019-01-06T22:38:25Z

fix unintended color2lum global error which is causing errors; clean whitespace

← Older revision		Revision as of 22:38, 6 January 2019
Line 1:		Line 1:
	--		--
	-- This module implements		-- This module implements
	-- {{Color contrast ratio}}		-- {{Color contrast ratio}}
	-- {{Greater color contrast ratio}}		-- {{Greater color contrast ratio}}
Line 9:		Line 9:
	local HTMLcolor = mw.loadData( 'Module:Color contrast/colors' )		local HTMLcolor = mw.loadData( 'Module:Color contrast/colors' )

	local function sRGB (v)		local function sRGB (v)
	if (v <= 0.03928) then		if (v <= 0.03928) then
	v = v / 12.92		v = v / 12.92
	else		else
Line 56:		Line 56:
	return ''		return ''
	end		end
	~~end~~

	~~-- This exports the function for use in other modules.~~
	~~-- The colour is passed as a string.~~
	~~function p._lum(color)~~
	~~return color2lum(color)~~
	end		end

Line 88:		Line 82:
	end		end

	-- convert from hsl		-- convert from hsl
	if mw.ustring.match(c,'^hsl%([%s][0-9][0-9%.][%s],[%s][0-9][0-9%.]%%[%s],[%s][0-9][0-9%.]%%[%s]*%)$') then		if mw.ustring.match(c,'^hsl%([%s][0-9][0-9%.][%s],[%s][0-9][0-9%.]%%[%s],[%s][0-9][0-9%.]%%[%s]*%)$') then
	local h, s, l = mw.ustring.match(c,'^hsl%([%s]([0-9][0-9%.])[%s],[%s]([0-9][0-9%.])%%[%s],[%s]([0-9][0-9%.])%%[%s]*%)$')		local h, s, l = mw.ustring.match(c,'^hsl%([%s]([0-9][0-9%.])[%s],[%s]([0-9][0-9%.])%%[%s],[%s]([0-9][0-9%.])%%[%s]*%)$')
	return hsl2lum(tonumber(h), tonumber(s)/100, tonumber(l)/100)		return hsl2lum(tonumber(h), tonumber(s)/100, tonumber(l)/100)
	end		end

	-- convert from rgb		-- convert from rgb
	if mw.ustring.match(c,'^rgb%([%s][0-9][0-9][%s],[%s][0-9][0-9][%s],[%s][0-9][0-9][%s]*%)$') then		if mw.ustring.match(c,'^rgb%([%s][0-9][0-9][%s],[%s][0-9][0-9][%s],[%s][0-9][0-9][%s]*%)$') then
	local R, G, B = mw.ustring.match(c,'^rgb%([%s]([0-9][0-9])[%s],[%s]([0-9][0-9])[%s],[%s]([0-9][0-9])[%s]*%)$')		local R, G, B = mw.ustring.match(c,'^rgb%([%s]([0-9][0-9])[%s],[%s]([0-9][0-9])[%s],[%s]([0-9][0-9])[%s]*%)$')
	return rgbdec2lum(tonumber(R), tonumber(G), tonumber(B))		return rgbdec2lum(tonumber(R), tonumber(G), tonumber(B))
	end		end

	-- convert from rgb percent		-- convert from rgb percent
	if mw.ustring.match(c,'^rgb%([%s][0-9][0-9%.]%%[%s],[%s][0-9][0-9%.]%%[%s],[%s][0-9][0-9%.]%%[%s]*%)$') then		if mw.ustring.match(c,'^rgb%([%s][0-9][0-9%.]%%[%s],[%s][0-9][0-9%.]%%[%s],[%s][0-9][0-9%.]%%[%s]*%)$') then
	local R, G, B = mw.ustring.match(c,'^rgb%([%s]([0-9][0-9%.])%%[%s],[%s]([0-9][0-9%.])%%[%s],[%s]([0-9][0-9%.])%%[%s]*%)$')		local R, G, B = mw.ustring.match(c,'^rgb%([%s]([0-9][0-9%.])%%[%s],[%s]([0-9][0-9%.])%%[%s],[%s]([0-9][0-9%.])%%[%s]*%)$')
	return rgbdec2lum(255tonumber(R)/100, 255tonumber(G)/100, 255*tonumber(B)/100)		return rgbdec2lum(255tonumber(R)/100, 255tonumber(G)/100, 255*tonumber(B)/100)
	end		end

	-- remove leading # (if there is one) and whitespace		-- remove leading # (if there is one) and whitespace
Line 127:		Line 121:
	-- failure, return blank		-- failure, return blank
	return ''		return ''
			end

			-- This exports the function for use in other modules.
			-- The colour is passed as a string.
			function p._lum(color)
			return color2lum(color)
	end		end

Line 147:		Line 147:
	ratio2 = (ratio2 < 1) and 1/ratio2 or ratio2		ratio2 = (ratio2 < 1) and 1/ratio2 or ratio2
	end		end

	if css then		if css then
	local c1 = args[1] or ''		local c1 = args[1] or ''
Line 164:		Line 164:
	return 'background-color:' .. c1 .. '; color:' .. ((ratio1 > 0) and (ratio2 > 0) and ((ratio1 + bias > ratio2) and c2 or c3) or '') .. ';'		return 'background-color:' .. c1 .. '; color:' .. ((ratio1 > 0) and (ratio2 > 0) and ((ratio1 + bias > ratio2) and c2 or c3) or '') .. ';'
	end		end

	return (ratio1 > 0) and (ratio2 > 0) and ((ratio1 + bias > ratio2) and c2 or c3) or ''		return (ratio1 > 0) and (ratio2 > 0) and ((ratio1 + bias > ratio2) and c2 or c3) or ''
	end		end
Line 218:		Line 218:

	--[[		--[[
	Use {{#invoke:Color contrast\|somecolor}} directly or		Use {{#invoke:Color contrast\|somecolor}} directly or
	{{#invoke:Color contrast}} from a wrapper template.		{{#invoke:Color contrast}} from a wrapper template.

wikipedia>Gonnym: synced changes from sandbox - created an access point to lum available to other modules

2019-01-06T17:09:22Z

synced changes from sandbox - created an access point to lum available to other modules

← Older revision		Revision as of 17:09, 6 January 2019
Line 9:		Line 9:
	local HTMLcolor = mw.loadData( 'Module:Color contrast/colors' )		local HTMLcolor = mw.loadData( 'Module:Color contrast/colors' )

	local function sRGB ( v )		local function sRGB (v)
	if (v <= 0.03928) then		if (v <= 0.03928) then
	v = v / 12.92		v = v / 12.92
Line 18:		Line 18:
	end		end

	local function rgbdec2lum( R, G, B )		local function rgbdec2lum(R, G, B)
	if ( 0 <= R and R < 256 and 0 <= G and G < 256 and 0 <= B and B < 256 ) then		if ( 0 <= R and R < 256 and 0 <= G and G < 256 and 0 <= B and B < 256 ) then
	return 0.2126 * sRGB(R/255) + 0.7152 * sRGB(G/255) + 0.0722 * sRGB(B/255)		return 0.2126 * sRGB(R/255) + 0.7152 * sRGB(G/255) + 0.0722 * sRGB(B/255)
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	end		end

	local function hsl2lum( h, s, l )		local function hsl2lum(h, s, l)
	if ( 0 <= h and h < 360 and 0 <= s and s <= 1 and 0 <= l and l <= 1 ) then		if ( 0 <= h and h < 360 and 0 <= s and s <= 1 and 0 <= l and l <= 1 ) then
	local c = (1 - math.abs(2l - 1))s		local c = (1 - math.abs(2l - 1))s
Line 58:		Line 58:
	end		end

	local function color2lum( c )		-- This exports the function for use in other modules.
			-- The colour is passed as a string.
			function p._lum(color)
			return color2lum(color)
			end

			local function color2lum(c)

	if (c == nil) then		if (c == nil) then
Line 211:		Line 217:
	end		end

			--[[
			Use {{#invoke:Color contrast\|somecolor}} directly or
			{{#invoke:Color contrast}} from a wrapper template.

			Parameters:
			-- \|1= — required; A color to check.
			--]]
	function p.lum(frame)		function p.lum(frame)
	~~return color2lum(~~frame.args[1] or frame:getParent().args[1])		local color = frame.args[1] or frame:getParent().args[1]
			return p._lum(color)
	end		end

imported>Ahmsaqib: 1 revision imported

2018-09-30T11:45:36Z

1 revision imported

← Older revision	Revision as of 11:45, 30 September 2018
(No difference)

enwiki:Mediawiki>RexxS: replace html entity with # symbol - tested in /sandbox1 so as not to disturb /sandbox

2018-07-07T23:04:30Z

replace html entity with # symbol - tested in /sandbox1 so as not to disturb /sandbox

← Older revision		Revision as of 23:04, 7 July 2018
Line 63:		Line 63:
	return ''		return ''
	end		end

			-- html '#' entity
			c = c:gsub("#", "#")

	-- whitespace		-- whitespace
	c = c:match( '^%s(.-)[%s;]$' )		c = c:match( '^%s(.-)[%s;]$' )

imported>Rob Kam: 1 revision imported: Template:Reflist

2018-02-03T10:16:41Z

1 revision imported: Template:Reflist

← Older revision	Revision as of 10:16, 3 February 2018
(No difference)

m>Frietjes: typo

2018-02-02T22:01:27Z

typo

← Older revision		Revision as of 22:01, 2 February 2018
Line 139:		Line 139:

	if css then		if css then
	if mw.ustring.match(v1, '^[A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9]$') or		local c1 = args[1] or ''
	mw.ustring.match(v1, '^[A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9]$') then		if mw.ustring.match(c1, '^[A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9]$') or
	v1 = '#' .. v1		mw.ustring.match(c1, '^[A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9]$') then
			c1 = '#' .. c1
	end		end
	if mw.ustring.match(v2, '^[A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9]$') or		if mw.ustring.match(c2, '^[A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9]$') or
	mw.ustring.match(v2, '^[A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9]$') then		mw.ustring.match(c2, '^[A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9]$') then
	v2 = '#' .. v2		c2 = '#' .. c2
	end		end
	if mw.ustring.match(v3, '^[A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9]$') or		if mw.ustring.match(v3, '^[A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9]$') or
	mw.ustring.match(v3, '^[A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9]$') then		mw.ustring.match(v3, '^[A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9]$') then
	v3 = '#' .. v3		c3 = '#' .. c3
	end		end
	return 'background-color:' .. v1 .. '; color:'		return 'background-color:' .. c1 .. '; color:' .. ((ratio1 > 0) and (ratio2 > 0) and ((ratio1 + bias > ratio2) and c2 or c3) or '') .. ';'
	.. ((ratio1 > 0) and (ratio2 > 0) and ((ratio1 + bias > ratio2) and c2 or c3) or '') .. ';'
	end		end

m>Frietjes: add option for greatercontrast to form inline css string

2018-02-02T21:57:30Z

add option for greatercontrast to form inline css string

@@ Line 121: / Line 121: @@
 function p._greatercontrast(args)
 	local bias = tonumber(args['bias'] or '0') or 0
 	local v1 = color2lum(args[1] or '')
 	local c2 = args[2] or '#FFFFFF'
@@ Line 136: / Line 137: @@
 		ratio2 = (ratio2 < 1) and 1/ratio2 or ratio2
 	end
 	return (ratio1 > 0) and (ratio2 > 0) and ((ratio1 + bias > ratio2) and c2 or c3) or ''
 end

imported>Rob Kam: 1 revision imported: Template:Reflist

2018-02-02T19:51:58Z

1 revision imported: Template:Reflist

← Older revision	Revision as of 19:51, 2 February 2018
(No difference)