46 lines
1.4 KiB
Rust
46 lines
1.4 KiB
Rust
use svg::{
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node::element::{path::Data as PathData, Path},
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Document,
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};
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use usvg::Tree;
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pub const HOUR_NAMES: [&str; 24] = [
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"Candle", "Ice", "Comet", "Thimble", "Root", "Mist", "Sprout", "Rainbow", "Worm", "Bud",
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"Blossom", "Ladybug", "Geese", "Dust", "Peach", "Fog", "Acorn", "Gourd", "Soup", "Crow",
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"Mushroom", "Thunder", "Frost", "Lantern",
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];
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pub const IMAGE_WIDTH: u32 = 700;
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pub const HOUR_NAME_FONT_SIZE: f32 = IMAGE_WIDTH as f32 * 0.019109;
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pub const OUTER_R: f32 = (IMAGE_WIDTH as f32) / 2.0 - 3.0 * HOUR_NAME_FONT_SIZE;
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pub const RING_WIDTH: f32 = HOUR_NAME_FONT_SIZE * 3.0;
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pub fn svg_to_usvg(document: Document) -> Tree {
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let doc_str = document.to_string();
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let mut opt = usvg::Options::default();
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opt.fontdb.load_system_fonts();
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opt.font_family = "Liberation Serif".to_string();
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Tree::from_str(&doc_str, &opt.to_ref()).unwrap()
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}
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pub fn hour_name_path() -> Path {
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let radius = OUTER_R - RING_WIDTH / 2.0;
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let delta_x = radius * (15.0_f32.to_radians() / 2.0).sin();
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let delta_y = radius * (1.0 - (15.0_f32.to_radians() / 2.0).cos());
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let x1 = (IMAGE_WIDTH as f32) / 2.0 - delta_x;
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let y1 = ((IMAGE_WIDTH as f32) / 2.0 - radius) + delta_y;
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let path_data = PathData::new().move_to((x1, y1)).elliptical_arc_by((
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radius,
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radius,
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15,
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0,
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1,
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2.0 * delta_x,
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0,
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));
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Path::new().set("id", "hour-name-path").set("d", path_data)
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}
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