mirror of
https://github.com/storytold/effectcraft.git
synced 2026-11-12 13:22:54 +00:00
Valentin Klein
bb78d55825
Add After Effects project import with bounded parsing, explicit loss reports, and regression coverage. Fetch the cleaned external test corpus at commit 97262276f625afdeeb61787e4cbb74b3f17af510 and verify each fixture against the pinned SHA-256 manifest.
88 lines
3.4 KiB
Rust
88 lines
3.4 KiB
Rust
//! Blend modes beyond the six of batch 1: 906 (13 solids over a test image, each with a mode set
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//! by name) and the codes of 907 (each rendered by After Effects and matched against EffectCraft's
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//! modes), here written into 906's top layer.
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use crate::import::helpers::comp;
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use effectcraft_aep::import::{ImportOptions, LossCategory, import};
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use effectcraft_color::BlendMode;
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use effectcraft_project::Project;
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const F906: &str = "906-blendmodes-13-solids-on-steps.aep";
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#[test]
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fn the_13_modes_of_906_import_lossless() {
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let (p, r) = load!(F906);
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assert!(r.report.is_lossless(), "{:?}", r.report.losses);
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let (_, c) = comp(&p, &r, "C");
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let mode = |name: &str| c.layers.iter().find(|l| l.name == name).unwrap_or_else(|| panic!("{name}")).blend_mode;
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for (name, want) in [
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("normal", BlendMode::Normal),
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("add", BlendMode::Add),
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("multiply", BlendMode::Multiply),
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("screen", BlendMode::Screen),
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("overlay", BlendMode::Overlay),
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("softLight", BlendMode::SoftLight),
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("hardLight", BlendMode::HardLight),
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("difference", BlendMode::Difference),
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("exclusion", BlendMode::Exclusion),
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("colorDodge", BlendMode::ColorDodge),
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("colorBurn", BlendMode::ColorBurn),
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("darken", BlendMode::Darken),
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("lighten", BlendMode::Lighten),
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] {
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assert_eq!(mode(name), want, "{name}");
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}
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}
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/// 906 with the top layer's code (`ldta` byte 99 of the first layer in the file) replaced.
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fn with_code(code: u8) -> Option<(Project, effectcraft_aep::import::ImportResult)> {
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Some({
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let mut b = crate::common::try_fixture(F906)?;
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let at = b.windows(4).position(|w| w == b"ldta").expect("ldta") + 8 + 99;
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assert_eq!(b[at], 11, "the top layer is Lighten");
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b[at] = code;
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let none = |_: &str| false;
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let mut p = Project::default();
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let r = import(&mut p, &b, &ImportOptions { allow_losses: true, ..ImportOptions::new(&none) }).expect("imports");
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(p, r)
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})
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}
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#[test]
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fn the_codes_of_907_map_to_their_modes() {
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for (code, want) in [
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(12, BlendMode::ClassicDifference),
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(13, BlendMode::Hue),
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(14, BlendMode::Saturation),
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(15, BlendMode::Color),
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(16, BlendMode::Luminosity),
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(17, BlendMode::StencilAlpha),
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(18, BlendMode::StencilLuma),
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(19, BlendMode::SilhouetteAlpha),
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(20, BlendMode::SilhouetteLuma),
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(23, BlendMode::ClassicColorDodge),
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(24, BlendMode::ClassicColorBurn),
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(29, BlendMode::LinearDodge),
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(30, BlendMode::LinearBurn),
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(31, BlendMode::LinearLight),
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(32, BlendMode::VividLight),
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(33, BlendMode::PinLight),
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(34, BlendMode::HardMix),
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] {
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let (p, r) = skip!(with_code(code));
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assert!(r.report.is_lossless(), "{code}: {:?}", r.report.losses);
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let (_, c) = comp(&p, &r, "C");
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assert_eq!(c.layers.iter().find(|l| l.name == "lighten").unwrap().blend_mode, want, "{code}");
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}
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}
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#[test]
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fn unsampled_and_ambiguous_codes_stay_reported() {
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for code in [0u8, 1, 3, 21, 22, 35, 200, 255] {
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let (p, r) = skip!(with_code(code));
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assert_eq!(r.report.count(LossCategory::BlendModes), 1, "{code}");
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let (_, c) = comp(&p, &r, "C");
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assert_eq!(c.layers.iter().find(|l| l.name == "lighten").unwrap().blend_mode, BlendMode::Normal, "{code}");
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}
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}
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