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首页 > 解决方案 > 如何将字体文本更改为 SVG 路径

go - 如何将字体文本更改为 SVG 路径

问题描述

我有 JSON 输入。

{
  "text": "Change me to svg path",
  "font": "Lato-Bold"
}

预期输出如下所示：https ://jsfiddle.net/q2rupnc3/

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    </svg>

我的设备上有 Lato-Bold.ttf 文件，因此如果需要，我可以使用它。我不能使用文本 svg 标签，因为 svg 阅读器只能理解路径。用 Go 怎么能做到这一点？

标签： gosvg

解决方案

是的，这可以通过https://github.com/tdewolff/canvas实现（我是主要作者）。您可以在https://github.com/tdewolff/canvas/blob/master/examples/preview/main.go#L89看到一个示例（结果在https://github.com/tdewolff/canvas/blob/master/ examples/preview/out.png），我在其中加载字体并将一段文本转换为矢量路径。

使用 tdewolff/canvas，以下内容应该适用于您的情况（未经测试）：

fontFamily := canvas.NewFontFamily("Lato")
if err := fontFamily.LoadFontFile("Lato-Bold.ttf", canvas.FontBold); err != nil {
    panic(err)
}

face := fontFamily.Face(14.0, canvas.Black, canvas.FontBold, canvas.FontNormal)
path, err := face.ToPath("Change me to svg path")
if err != nil {
    panic(err)
}

tpl := `<svg xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg" height="400" width="800">
    <path d="%s" />
</svg>`
fmt.Printf(tpl, path.ToSVG())

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