71 lines
1.6 KiB
Rust
71 lines
1.6 KiB
Rust
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extern crate serde;
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extern crate serde_json;
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extern crate wasm_bindgen;
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extern crate web_sys;
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#[macro_use]
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extern crate serde_derive;
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use wasm_bindgen::prelude::*;
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#[wasm_bindgen]
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#[derive(Deserialize)]
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pub struct Input {
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pub screen_width: f32,
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pub screen_height: f32,
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pub mouse_x: f32,
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pub mouse_y: f32,
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}
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#[derive(Serialize)]
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#[serde(rename_all = "snake_case")]
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enum TextAlign {
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Start,
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Center,
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End,
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}
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#[derive(Serialize)]
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#[serde(rename_all = "snake_case", tag = "kind")]
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enum PaintCmd {
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Clear {
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fill_style: String,
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},
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RoundedRect {
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fill_style: String,
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pos: [f32; 2],
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size: [f32; 2],
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radius: f32,
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},
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Text {
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fill_style: String,
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font: String,
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pos: [f32; 2],
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text: String,
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text_align: TextAlign,
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},
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}
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#[wasm_bindgen]
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pub fn show_gui(input_json: &str) -> String {
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let input: Input = serde_json::from_str(input_json).unwrap();
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let commands = [
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PaintCmd::Clear {
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fill_style: "#44444400".to_string(),
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},
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PaintCmd::RoundedRect {
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fill_style: "#1111ff".to_string(),
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pos: [100.0, 100.0],
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radius: 40.0,
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size: [200.0, 200.0],
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},
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PaintCmd::Text {
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fill_style: "#11ff00".to_string(),
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font: "14px Palatino".to_string(),
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pos: [200.0, 32.0],
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text: format!("Mouse pos: {} {}", input.mouse_x, input.mouse_y),
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text_align: TextAlign::Center,
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},
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];
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serde_json::to_string(&commands).unwrap()
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}
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