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test-jpeg-roundtrip: Print summary statistics at the end

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Nico Weber 2024-01-13 21:45:45 -05:00 committed by Sam Atkins
parent 8ef3310525
commit 25efe65a83
Notes: sideshowbarker 2024-07-17 05:23:40 +09:00 
Author: https://github.com/nico
Commit: https://github.com/SerenityOS/serenity/commit/25efe65a83
Pull-request: https://github.com/SerenityOS/serenity/pull/22746
Reviewed-by: https://github.com/AtkinsSJ ✅
1 changed files with 26 additions and 12 deletions
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38
Userland/Utilities/test-jpeg-roundtrip.cpp
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@ -51,32 +51,46 @@ static ErrorOr<float> perceived_distance_in_sRGB(Gfx::Color a, Gfx::Color b)
return DeltaE(TRY(sRGB->to_lab(array_a)), TRY(sRGB->to_lab(array_b)));
}
static ErrorOr<void> test(Gfx::Color color)
struct Stats {
float max_delta {};
int max_number_of_iterations {};
};
static ErrorOr<void> test(Gfx::Color color, Stats& stats)
{
auto fixpoint = TRY(compute_fixpoint(color));
float perceived_distance = TRY(perceived_distance_in_sRGB(color, fixpoint.fixpoint));
outln("color {} converges to {} after saving {} times, delta {}", color, fixpoint.fixpoint, fixpoint.number_of_iterations, perceived_distance);
stats.max_delta = max(stats.max_delta, perceived_distance);
stats.max_number_of_iterations = max(stats.max_number_of_iterations, fixpoint.number_of_iterations);
return {};
}
ErrorOr<int> serenity_main(Main::Arguments)
{
TRY(test(Gfx::Color::Red));
TRY(test(Gfx::Color::Green));
TRY(test(Gfx::Color::Blue));
Stats stats;
TRY(test(Gfx::Color::MidRed));
TRY(test(Gfx::Color::MidGreen));
TRY(test(Gfx::Color::MidBlue));
TRY(test(Gfx::Color::Red, stats));
TRY(test(Gfx::Color::Green, stats));
TRY(test(Gfx::Color::Blue, stats));
TRY(test(Gfx::Color::Cyan));
TRY(test(Gfx::Color::Magenta));
TRY(test(Gfx::Color::Yellow));
TRY(test(Gfx::Color::MidRed, stats));
TRY(test(Gfx::Color::MidGreen, stats));
TRY(test(Gfx::Color::MidBlue, stats));
TRY(test(Gfx::Color::Black));
TRY(test(Gfx::Color::White));
TRY(test(Gfx::Color::Cyan, stats));
TRY(test(Gfx::Color::Magenta, stats));
TRY(test(Gfx::Color::Yellow, stats));
TRY(test(Gfx::Color::Black, stats));
TRY(test(Gfx::Color::White, stats));
outln();
outln("max delta {}, max number of iterations {}", stats.max_delta, stats.max_number_of_iterations);
return 0;
}