55 lines
1,014 B
Rust
55 lines
1,014 B
Rust
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use std::{fs::File, io::{BufWriter, Write}};
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use crate::font::{GlyphHeader, GlyphPoint};
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use super::Visitor;
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pub struct SvgWriter {
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first_point: bool,
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writer: BufWriter<File>
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}
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impl SvgWriter {
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pub fn new(file: File) -> Self {
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SvgWriter {
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first_point: true,
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writer: BufWriter::new(file)
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}
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}
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}
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impl Visitor for SvgWriter {
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fn write_prefix(&mut self, header: &GlyphHeader) {
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write!(
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self.writer,
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"<svg width=\"1000\" height=\"1000\" viewBox=\"{} {} {} {}\" xmlns=\"http://www.w3.org/2000/svg\"><path d=\"",
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header.xmin, header.ymin,
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header.xmax - header.xmin,
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header.ymax - header.ymin
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);
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}
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fn write_point(&mut self, point: &GlyphPoint) {
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if !point.on_curve {
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return
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}
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let prefix = if self.first_point { "M" } else { "L" };
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write!(
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self.writer,
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"{prefix}{} {} ",
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point.x, point.y
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);
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self.first_point = false;
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}
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fn write_suffix(&mut self) {
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write!(
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self.writer,
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"\" style=\"fill:none; stroke:black; stroke-width:3;\" /></svg>"
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);
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}
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}
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