55 lines
2.0 KiB
Rust
55 lines
2.0 KiB
Rust
//! Automated visual check for the Leaves brush.
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//!
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//! Purpose: Renders several Leaf strokes onto a transparent canvas using the
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//! public engine API and saves the result as a PNG. Used for manual inspection
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//! and regression detection.
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use hcie_engine_api::{Engine, BrushTip, BrushStyle};
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#[test]
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#[ignore = "manual visual check: run with --ignored --test leaves_check and inspect target/leaves_check.png"]
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fn leaves_brush_visual_check() {
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let mut engine = Engine::new_with_options("LeavesCheck", 512, 512, false);
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let layer_id = engine.active_layer_id();
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let mut tip = BrushTip::default();
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tip.style = BrushStyle::Leaf;
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tip.size = 70.0;
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tip.opacity = 0.95;
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tip.hardness = 0.85;
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tip.spacing = 0.35;
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tip.color_variant = true;
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tip.variant_amount = 0.5;
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engine.set_brush_tip(tip);
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engine.set_color([40, 140, 40, 255]);
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engine.begin_stroke(layer_id, 100.0, 400.0);
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for i in 0..=30 {
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let t = i as f32 / 30.0;
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let x = 80.0 + t * 120.0;
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let y = 400.0 - (t * 40.0).sin() * 20.0 - t * 30.0;
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engine.stroke_to(layer_id, x, y, 0.6 + 0.4 * (1.0 - t));
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}
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engine.end_stroke(layer_id);
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engine.begin_stroke(layer_id, 300.0, 420.0);
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for i in 0..=25 {
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let t = i as f32 / 25.0;
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let x = 300.0 + t * 10.0;
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let y = 420.0 - t * 80.0;
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engine.stroke_to(layer_id, x, y, 1.0);
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}
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engine.end_stroke(layer_id);
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let pixels = engine.get_composite_pixels();
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let mut output_layer = hcie_protocol::Layer::new_transparent("", 512, 512);
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output_layer.pixels = pixels.clone();
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let out_dir = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR")).parent().unwrap().join("target");
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std::fs::create_dir_all(&out_dir).unwrap();
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let path = out_dir.join("leaves_check.png");
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hcie_engine_api::dynamic_loader::save_image(&output_layer, &path, "png").expect("save png");
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let has_color = pixels.chunks_exact(4).any(|p| p[3] > 0 && (p[0] != 255 || p[1] != 255 || p[2] != 255));
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assert!(has_color, "Leaves check produced no colored pixels");
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}
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