phantom
b09795ccff
- Add `persistence.rs` for stable serialization of dock layouts without runtime identifiers. - Introduce `preview.rs` for geometry handling of dock drop previews. - Create `sizing.rs` to manage content-aware sizing policies and constraint solving for dock panels. - Implement `welcome.rs` to provide a welcome surface when no documents are open, featuring New and Open actions.
77 lines
2.4 KiB
Rust
77 lines
2.4 KiB
Rust
use crate::helpers::box_blur_f32;
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pub fn generate_glow(
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alpha: &[u8],
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w: u32,
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h: u32,
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spread: f32,
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size: f32,
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color: [u8; 4],
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inner: bool,
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) -> Vec<u8> {
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let px = (w * h) as usize;
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let mut buf = vec![0u8; px * 4];
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let radius = size.max(0.0).round() as i32;
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let glow_alpha = if inner {
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// MAE-optimized against Krita ground truth (48 samples, 3000 combos, 800x800)
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// Best: blur_factor=4.0, passes=4, alpha_scale=0.00, glow_boost=2.00, spread_before_blur=false
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let mut ga = alpha.iter().map(|&a| a as f32).collect::<Vec<f32>>();
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if radius > 0 {
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let gaussian_r = (radius as f32 / 4.0).round().max(1.0) as i32;
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for _ in 0..4 {
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ga = box_blur_f32(&ga, w, h, gaussian_r);
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}
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}
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for i in 0..px {
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ga[i] = 255.0 - ga[i];
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}
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if spread > 0.0 {
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let factor = 1.0 / (1.0 - spread / 100.0);
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for a in ga.iter_mut() {
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*a = (*a * factor).round().min(255.0);
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}
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}
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for i in 0..px {
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ga[i] = (ga[i] - alpha[i] as f32 * 0.00).max(0.0) * 2.00 * alpha[i] as f32 / 255.0;
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}
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ga.iter().map(|&a| a as u8).collect::<Vec<u8>>()
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} else {
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let mut ga = alpha.iter().map(|&a| a as f32).collect::<Vec<f32>>();
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// BEGIN_GLOW_TUNING_ZONE
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// MAE-optimized against Krita ground truth (48 samples, 3000 combos, 800x800)
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// Best: blur_factor=4.0, passes=4, alpha_scale=0.00, glow_boost=2.00, spread_before_blur=false
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if radius > 0 {
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let gaussian_r = (radius as f32 / 4.0).round().max(1.0) as i32;
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for _ in 0..4 {
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ga = box_blur_f32(&ga, w, h, gaussian_r);
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}
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}
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if spread > 0.0 {
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let factor = 1.0 / (1.0 - spread / 100.0);
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for a in ga.iter_mut() {
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*a = (*a * factor).round().min(255.0);
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}
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}
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for i in 0..px {
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let mask = 255.0 - alpha[i] as f32;
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ga[i] = (ga[i] - alpha[i] as f32 * 0.00).max(0.0) * 2.00 * mask / 255.0;
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}
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// END_GLOW_TUNING_ZONE
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ga.iter().map(|&a| a as u8).collect::<Vec<u8>>()
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};
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for i in 0..px {
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let a = glow_alpha[i];
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if a > 0 {
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buf[i * 4] = color[0];
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buf[i * 4 + 1] = color[1];
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buf[i * 4 + 2] = color[2];
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buf[i * 4 + 3] = a;
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}
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}
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buf
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}
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