3c7566a565
apps/files, apps/sheets, libs/wm_api, libs/wm_theme and the renamed env vars and script namespaces meet the demo seams; added demo files move to the renamed paths; the files app keeps its own makepad_home so demo builds without the chat feature do not link the AI hub. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01WV6BzHQiJEvvK9EPc1d4ks
64 lines
2.7 KiB
Rust
64 lines
2.7 KiB
Rust
#[path = "../../libs/ai/models/paint/src/png.rs"]
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#[allow(dead_code)]
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mod png;
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use std::{env, fs, path::Path};
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const WIDTH: u32 = 256;
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const HEIGHT: u32 = 128;
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const PALETTES: [(&str, [u8; 3], [u8; 3], [u8; 3]); 6] = [
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("aurora-vignette.png", [28, 31, 78], [69, 175, 170], [227, 151, 232]),
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("canyon-vignette.png", [86, 35, 38], [221, 119, 70], [255, 211, 128]),
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("lagoon-vignette.png", [12, 55, 77], [28, 154, 166], [151, 232, 207]),
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("meadow-vignette.png", [36, 68, 45], [124, 167, 79], [234, 213, 126]),
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("twilight-vignette.png", [36, 25, 65], [103, 71, 141], [238, 144, 116]),
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("cinema-still.png", [19, 24, 39], [56, 75, 105], [235, 176, 91]),
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];
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fn mix(a: u8, b: u8, amount: u32) -> u32 {
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(u32::from(a) * (255 - amount) + u32::from(b) * amount) / 255
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}
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fn picture(top: [u8; 3], bottom: [u8; 3], accent: [u8; 3], seed: u32) -> Vec<u8> {
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let mut pixels = Vec::with_capacity((WIDTH * HEIGHT * 3) as usize);
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let glow_x = 36 + seed * 31;
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let glow_y = 22 + (seed * 17) % 54;
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for y in 0..HEIGHT {
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for x in 0..WIDTH {
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let blend = (y * 190 / (HEIGHT - 1) + x * 65 / (WIDTH - 1)).min(255);
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let edge_x = (x as i32 * 2 - (WIDTH - 1) as i32).unsigned_abs();
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let edge_y = (y as i32 * 2 - (HEIGHT - 1) as i32).unsigned_abs();
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let vignette = edge_x * edge_x * 18 / ((WIDTH - 1) * (WIDTH - 1))
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+ edge_y * edge_y * 24 / ((HEIGHT - 1) * (HEIGHT - 1));
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let glow_dx = (x as i32 - glow_x as i32).unsigned_abs();
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let glow_dy = (y as i32 - glow_y as i32).unsigned_abs();
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let glow = 72u32.saturating_sub(glow_dx * glow_dx / 360 + glow_dy * glow_dy / 90);
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let texture = ((x * 17 + y * 31 + seed * 43) & 7) as i32 - 3;
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for channel in 0..3 {
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let base = mix(top[channel], bottom[channel], blend);
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let lit = (base * (72 - glow) + u32::from(accent[channel]) * glow) / 72;
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pixels.push((lit as i32 - vignette as i32 + texture).clamp(0, 255) as u8);
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}
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}
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}
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pixels
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}
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fn write_if_changed(path: &Path, bytes: &[u8]) {
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if fs::read(path).ok().as_deref() != Some(bytes) {
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fs::write(path, bytes).expect("write generated files demo picture");
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}
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}
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fn main() {
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println!("cargo:rerun-if-changed=../../libs/ai/models/paint/src/png.rs");
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println!("cargo:rerun-if-changed=build.rs");
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let out_dir = env::var_os("OUT_DIR").expect("Cargo did not set OUT_DIR");
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for (seed, (name, top, bottom, accent)) in PALETTES.iter().copied().enumerate() {
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let pixels = picture(top, bottom, accent, seed as u32);
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let encoded = png::encode_png(WIDTH, HEIGHT, png::PngColor::Rgb, &pixels);
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write_if_changed(&Path::new(&out_dir).join(name), &encoded);
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}
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}
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