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feat: Add untested parts of the roughjs port
These are not needed (yet) in our framebox use, but let's have them in an "untested" folder. This will help to get started if we later decide to extract the port as a separate Lua rocks.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| -- | ||
| -- License: MIT | ||
| -- Copyright (c) 2023, Didier Willis | ||
| -- | ||
| -- This is a straightforward port of the path-data-parser JavaScript library. | ||
| -- (https://github.com/pshihn/path-data-parser/) | ||
| -- License: MIT | ||
| -- Copyright (c) 2019 Preet Shihn | ||
| -- | ||
| local function absolutize(segments) | ||
| local cx, cy = 0, 0 | ||
| local subx, suby = 0, 0 | ||
| local out = {} | ||
| for _, segment in ipairs(segments) do | ||
| local key, data = segment.key, segment.data | ||
| if key == 'M' then | ||
| out[#out + 1] = { key = 'M', data = pl.tablex.copy(data) } | ||
| cx, cy = data[1], data[2] | ||
| subx, suby = data[1], data[2] | ||
| elseif key == 'm' then | ||
| cx = cx + data[1] | ||
| cy = cy + data[2] | ||
| out[#out + 1] = { key = 'M', data = { cx, cy } } | ||
| subx, suby = cx, cy | ||
| elseif key == 'L' then | ||
| out[#out + 1] = { key = 'L', data = pl.tablex.copy(data) } | ||
| cx, cy = data[1], data[2] | ||
| elseif key == 'l' then | ||
| cx = cx + data[1] | ||
| cy = cy + data[2] | ||
| out[#out + 1] = { key = 'L', data = { cx, cy } } | ||
| elseif key == 'C' then | ||
| out[#out + 1] = { key = 'C', data = pl.tablex.copy(data) } | ||
| cx, cy = data[5], data[6] | ||
| elseif key == 'c' then | ||
| local newdata = pl.tablex.map(data, function (d, i) | ||
| return (i % 2) == 0 and (d + cx) or (d + cy) | ||
| end) | ||
| out[#out + 1] = { key = 'C', data = newdata } | ||
| cx, cy = newdata[5], newdata[6] | ||
| elseif key == 'Q' then | ||
| out[#out + 1] = { key = 'Q', data = pl.tablex.copy(data) } | ||
| cx, cy = data[2], data[3] | ||
| elseif key == 'q' then | ||
| local newdata = pl.tablex.map(data, function (d, i) | ||
| return (i % 2) == 0 and (d + cx) or (d + cy) | ||
| end) | ||
| out[#out + 1] = { key = 'Q', data = newdata } | ||
| cx, cy = newdata[2], newdata[3] | ||
| elseif key == 'A' then | ||
| out[#out + 1] = { key = 'A', data = pl.tablex.copy(data) } | ||
| cx, cy = data[5], data[6] | ||
| elseif key == 'a' then | ||
| cx = cx + data[5] | ||
| cy = cy + data[6] | ||
| out[#out + 1] = { key = 'A', data = { data[1], data[2], data[3], data[4], data[5], cx, cy } } | ||
| elseif key == 'H' then | ||
| out[#out + 1] = { key = 'H', data = pl.tablex.copy(data) } | ||
| cx = data[1] | ||
| elseif key == 'h' then | ||
| cx = cx + data[1] | ||
| out[#out + 1] = { key = 'H', data = { cx } } | ||
| elseif key == 'V' then | ||
| out[#out + 1] = { key = 'V', data = pl.tablex.copy(data) } | ||
| cy = data[1] | ||
| elseif key == 'v' then | ||
| cy = cy + data[1] | ||
| out[#out + 1] = { key = 'V', data = { cy } } | ||
| elseif key == 'S' then | ||
| out[#out + 1] = { key = 'S', data = pl.tablex.copy(data) } | ||
| cx, cy = data[2], data[3] | ||
| elseif key == 's' then | ||
| local newdata = pl.tablex.map(data, function (d, i) | ||
| return (i % 2) == 0 and (d + cx) or (d + cy) | ||
| end) | ||
| out[#out + 1] = { key = 'S', data = newdata } | ||
| cx, cy = newdata[2], newdata[3] | ||
| elseif key == 'T' then | ||
| out[#out + 1] = { key = 'T', data = pl.tablex.copy(data) } | ||
| cx, cy = data[1], data[2] | ||
| elseif key == 't' then | ||
| cx = cx + data[1] | ||
| cy = cy + data[2] | ||
| out[#out + 1] = { key = 'T', data = { cx, cy } } | ||
| elseif key == 'Z' or key == 'z' then | ||
| out[#out + 1] = { key = 'Z', data = {} } | ||
| cx, cy = subx, suby | ||
| end | ||
| end | ||
| return out | ||
| end | ||
|
|
||
| return { | ||
| absolutize = absolutize, | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,20 @@ | ||
| -- | ||
| -- License: MIT | ||
| -- Copyright (c) 2023, Didier Willis | ||
| -- | ||
| -- This is a straightforward port of the path-data-parser JavaScript library. | ||
| -- (https://github.com/pshihn/path-data-parser/) | ||
| -- License: MIT | ||
| -- Copyright (c) 2019 Preet Shihn | ||
| -- | ||
| local normalize = require("rough-lua.untested.path-data-parser.normalize").normalize | ||
| local absolutize = require("rough-lua.untested.path-data-parser.absolutize").absolutize | ||
| local parsePath = require("rough-lua.untested.path-data-parser.parser").parsePath | ||
| local serialize = require("rough-lua.untested.path-data-parser.parser").serialize | ||
|
|
||
| return { | ||
| parsePath = parsePath, | ||
| serialize = serialize, | ||
| absolutize = absolutize, | ||
| normalize = normalize, | ||
| } |
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