67 lines
2.9 KiB
Rust
67 lines
2.9 KiB
Rust
use std::io::Write;
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const RESULTS_FILE: &str = "/mnt/extra/00_PROJECTS/hcie-rust-v4/gradient_overlay_results.txt";
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fn main() {
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let psd_path = "_images/_psd_stil_test/gradient_overlay.psd";
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let ref_path = "_images/_psd_stil_test/gradient_overlay.png";
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let ref_img = image::open(ref_path).expect("open gradient_overlay.png").to_rgba8();
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let (w, h) = (ref_img.width(), ref_img.height());
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let px = (w * h) as usize;
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let ref_pixels = ref_img.into_raw();
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let layers = hcie_psd::import_psd(std::path::Path::new(psd_path)).expect("import gradient_overlay.psd");
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let layer = &layers[0];
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let alpha: Vec<u8> = layer.pixels.iter().skip(3).step_by(4).copied().collect();
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let (angle, scale, gradient, blend_mode_str, opacity) = {
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let mut ang = 0.0f32; let mut sc = 0.0f32; let mut grad = hcie_fx::types::GradientDef { color_stops: vec![], transparency_stops: vec![], midpoint: 50.0, angle: 0.0, scale: 100.0, gradient_type: 0 };
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let mut bm = String::new(); let mut op = 0.0f32;
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for e in &layer.effects {
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if let hcie_protocol::effects::LayerEffect::GradientOverlay { enabled: true, angle, scale, gradient, blend_mode, opacity, .. } = e {
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ang = *angle; sc = *scale;
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grad = hcie_fx::types::GradientDef {
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color_stops: gradient.color_stops.iter().map(|(loc, c)| (*loc, *c)).collect(),
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transparency_stops: vec![],
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midpoint: 50.0,
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angle: *angle,
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scale: *scale,
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gradient_type: 0,
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};
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bm = blend_mode.clone(); op = *opacity;
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}
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}
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(ang, sc, grad, bm, op)
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};
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let bm_parsed = hcie_fx::types::blend_mode_from_string(&blend_mode_str);
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println!("GradientOverlay: angle={}, scale={}, blend={}, opacity={}", angle, scale, blend_mode_str, opacity);
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println!("Image: {}x{}", w, h);
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std::io::stdout().flush().ok();
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let overlay = hcie_fx::tuned::generate_gradient_overlay_tuned(&alpha, w, h, angle, scale, &gradient);
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let mut out = layer.pixels.clone();
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for i in 0..px {
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let sa = overlay[i * 4 + 3];
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if sa == 0 { continue; }
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let dst = [out[i * 4], out[i * 4 + 1], out[i * 4 + 2], out[i * 4 + 3]];
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let src = [overlay[i * 4], overlay[i * 4 + 1], overlay[i * 4 + 2], sa];
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let blended = hcie_blend::blend_pixels(dst, src, bm_parsed, opacity);
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out[i * 4..i * 4 + 4].copy_from_slice(&blended);
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}
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let mut diff_sum = 0.0f64;
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for i in 0..px {
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let d = (0..4).map(|c| (out[i * 4 + c] as i32 - ref_pixels[i * 4 + c] as i32).abs() as f64).sum::<f64>();
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diff_sum += d;
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}
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let mae = diff_sum / px as f64 / 4.0;
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println!("MAE = {:.3}", mae);
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if let Ok(mut file) = std::fs::OpenOptions::new().create(true).write(true).truncate(true).open(RESULTS_FILE) {
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let _ = writeln!(file, "=== Gradient Overlay ===\n MAE: {:.3}", mae);
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}
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} |