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Allows SVGRenderer to export the result from memory #121

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Merged
KarthikRIyer merged 1 commit into from
Mar 9, 2020
Merged

Allows SVGRenderer to export the result from memory #121

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15 changes: 11 additions & 4 deletions Sources/SVGRenderer/SVGRenderer.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -231,13 +231,20 @@ public class SVGRenderer: Renderer{
public func drawOutput(fileName name: String) throws {
try savePlotImage(fileName: name)
}

/// Returns the content of the SVG generated by the renderer
public var svg: String {
// Build the document.
let header = #"<svg height="\#(imageSize.height)" width="\#(imageSize.width)" version="4.0" xmlns="http://www.w3.org/2000/svg" xmlns:xlink= "http://www.w3.org/1999/xlink">"#
+ "\n" + #"<rect width="100%" height="100%" fill="white"/>"#
let font = #"<defs><style>@import url("https://fonts.googleapis.com/css?family=\#(fontFamily)");</style></defs>"#
let image = header + "\n" + font + "\n" + lines.joined(separator: "\n") + "\n</svg>"
return image
}

func savePlotImage(fileName name: String) throws {
// Build the document.
let header = #"<svg height="\#(imageSize.height)" width="\#(imageSize.width)" version="4.0" xmlns="http://www.w3.org/2000/svg" xmlns:xlink= "http://www.w3.org/1999/xlink">"#
+ "\n" + #"<rect width="100%" height="100%" fill="white"/>"#
let font = #"<defs><style>@import url("https://fonts.googleapis.com/css?family=\#(fontFamily)");</style></defs>"#
let image = header + "\n" + font + "\n" + lines.joined(separator: "\n") + "\n</svg>"
let image = self.svg

let url = URL(fileURLWithPath: "\(name).svg")
try image.write(to: url, atomically: true, encoding: .utf8)
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