[READ-ONLY] Mirror of https://github.com/thoda-dev/svg-lua. svg lua library
base project
Thomas DAGES
(Dec 6, 2018, 2:47 PM +0100)
bc5b7c1e
460dd52b
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svg.lua
+81
svg.lua
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-- INIT SVG Object
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svg = {}
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svg.__index = svg;
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-- function to create a SVG drawing
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-- width: number => width of the drawing
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-- height: number => height of the drawing
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-- stroke: string => lines color
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-- fill: string => fill color
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function svg:create(width, heigth, stroke, fill)
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local s = {}
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setmetatable(s,svg)
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s.width = width or 100
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s.height = height or 100
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s.stroke = stroke or "#000000"
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s.fill = fill or "transparent"
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s.elements = {}
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-- INIT svg.Element Object
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s.Element = {}
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s.Element.__index = svg.Element
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-- function to create svg.Element
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-- name: string => name of the element (standard svg element name)
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-- options: table => a table containing all the parameters of the element
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function s.Element:create(name, options)
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local e = {}
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setmetatable(e,s.Element)
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e.name = name
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e.strElement = "<" .. name .. " "
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for key, value in pairs(options) do
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e[key] = value
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e.strElement = e.strElement .. key .. "=\"" .. value .. "\" "
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end
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e.strElement = e.strElement .. "/>"
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return e;
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end
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return s
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end
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-- function to add an element to the svg drawing
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-- element : svg.Element => the element to add to the drawing
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function svg:add(element)
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table.insert(self.elements, element)
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end
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-- function to get the string formatted for the full svg drawing
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function svg:draw()
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local svgStr = "<svg width=\"" .. self.width .. "\" height=\"" .. self.height .. "\" fill=\"" .. self.fill .. "\" stroke=\"" .. self.stroke .. "\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">"
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for k,v in pairs(self.elements) do
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svgStr = svgStr .. v.strElement
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end
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svgStr = svgStr .. "</svg>"
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return svgStr
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end
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-- INIT Rect element Class
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-- x: number => Position du rectangle sur l'axe horizontal par rapport au coin supérieur gauche
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-- y: number => Position du rectangle sur l'axe vertical par rapport au coin supérieur gauche
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-- width: number => Largeur du rectangle
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-- height: number => Hauteur du rectangle.
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-- stroke: string => lines color
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-- strokeWidth: string => lines width
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-- fill: string => fill color
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-- rx: number => Rayon x des coins du rectangle
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-- ry: number => Rayon y des coins du rectangle
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function svg:Rect(x, y, width, height, stroke, strokeWidth, fill, rx, ry)
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return self.Element:create("rect", {
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x = x or 10,
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y = y or 10,
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width = width or 10,
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height = height or 10,
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stroke = stroke or svg.stroke,
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fill = fill or svg.fill,
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["stroke-width"] = strokeWidth or 1,
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rx = rx or 0,
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ry = ry or 0
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})
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end