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支持RRGGBB的6位颜色格式 #3199
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支持RRGGBB的6位颜色格式 #3199
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,28 +1,33 @@ | ||
| local files = require "files" | ||
| local guide = require "parser.guide" | ||
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| local colorPattern = string.rep('%x', 8) | ||
| local hex6Pattern = string.format("^#%s", string.rep('%x', 6)) | ||
| ---@enum (key) ColorMode | ||
| local colorPattern = { | ||
| argb8 = "^%x%x%x%x%x%x%x%x$", | ||
| hexrgb6 = "^#%x%x%x%x%x%x$", | ||
| rgb6 = "^%x%x%x%x%x%x$", | ||
| } | ||
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There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. The naming scheme is a bit out of the line when compared to their usual meaning in color science. The number usually means the number of bits for each color channel. So, ARGB8 would mean 4 channels where each has 8 bits, while RGB8 would be 3 channels of 8 bits. If I understand the code correctly, the Some references: |
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| ---@param source parser.object | ||
| ---@return boolean | ||
| local function isColor(source) | ||
| ---@return ColorMode | false | ||
| local function getColorMode(source) | ||
| ---@type string | ||
| local text = source[1] | ||
| if text:len() == 8 then | ||
| return text:match(colorPattern) | ||
| end | ||
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| if text:len() == 7 then | ||
| return text:match(hex6Pattern) | ||
| for k,v in pairs(colorPattern) do | ||
| if text:match(v) then | ||
| return k | ||
| end | ||
| end | ||
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| return false | ||
| end | ||
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| local textToColor = {} | ||
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| ---@param colorText string | ||
| ---@return Color | ||
| local function textToColor(colorText) | ||
| function textToColor.argb8(colorText) | ||
| return { | ||
| alpha = tonumber(colorText:sub(1, 2), 16) / 255, | ||
| red = tonumber(colorText:sub(3, 4), 16) / 255, | ||
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@@ -33,15 +38,26 @@ end | |
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| ---@param colorText string | ||
| ---@return Color | ||
| local function hexTextToColor(colorText) | ||
| function textToColor.hexrgb6(colorText) | ||
| return { | ||
| alpha = 255, | ||
| alpha = 1, | ||
| red = tonumber(colorText:sub(2, 3), 16) / 255, | ||
| green = tonumber(colorText:sub(4, 5), 16) / 255, | ||
| blue = tonumber(colorText:sub(6, 7), 16) / 255, | ||
| } | ||
| end | ||
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| ---@param colorText string | ||
| ---@return Color | ||
| function textToColor.rgb6(colorText) | ||
| return { | ||
| alpha = 1, | ||
| red = tonumber(colorText:sub(1, 2), 16) / 255, | ||
| green = tonumber(colorText:sub(3, 4), 16) / 255, | ||
| blue = tonumber(colorText:sub(5, 6), 16) / 255, | ||
| } | ||
| end | ||
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| ---@param color Color | ||
| ---@return string | ||
| local function colorToText(color) | ||
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@@ -75,17 +91,19 @@ local function colors(uri) | |
| local colorValues = {} | ||
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| guide.eachSource(state.ast, function (source) ---@async | ||
| if source.type == 'string' and isColor(source) then | ||
| ---@type string | ||
| local colorText = source[1] | ||
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| local color = colorText:match(colorPattern) and textToColor(colorText) or hexTextToColor(colorText) | ||
| if source.type == 'string' then | ||
| local colorMode = getColorMode(source) | ||
| if colorMode then | ||
| ---@type string | ||
| local colorText = source[1] | ||
| local color = textToColor[colorMode](colorText) | ||
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| colorValues[#colorValues+1] = { | ||
| start = source.start + 1, | ||
| finish = source.finish - 1, | ||
| color = color | ||
| } | ||
| colorValues[#colorValues+1] = { | ||
| start = source.start + 1, | ||
| finish = source.finish - 1, | ||
| color = color, | ||
| } | ||
| end | ||
| end | ||
| end) | ||
| return colorValues | ||
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