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Code Issues 144 Wiki Activity

Script screens: led_post and resize of the Lua screens on the gpu

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Hirek
2026-11-10 16:22:35 +01:00
parent c4924f756d
commit e433b43fef
20 changed files with 971 additions and 34 deletions
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33
tests/unit/test_script_screen_kernels.cpp
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@@ -119,3 +119,36 @@ TEST_CASE("script screen kernels: images that don't fit their buffers are refuse
CHECK_FALSE(script_screens::resize_lanczos(input, 5, 3, output, 12, 8));
CHECK_FALSE(script_screens::resize_lanczos(input, 6, 3, output, 2, 2));
}
TEST_CASE("script screen kernels: the post-processing steps of an image run one after another") {
script_screens::post_step led;
led.type = script_screens::post_step::kind::led;
led.bloom = true;
script_screens::post_step resize;
resize.type = script_screens::post_step::kind::resize;
resize.width = 17;
resize.height = 11;
std::array const steps{led, resize};
CHECK(script_screens::width_after(led, 5) == 12);
CHECK(script_screens::height_after(led, 3) == 8);
CHECK(script_screens::width_after(resize, 12) == 17);
CHECK(script_screens::height_after(resize, 8) == 11);
script_screens::post_image image{rgba(source), 5, 3};
REQUIRE(script_screens::apply_post(image, steps));
CHECK(image.width == 17);
CHECK(image.height == 11);
CHECK(image.pixels == rgba(enlarged));
// nothing to do, nothing done
script_screens::post_image unchanged{rgba(source), 5, 3};
REQUIRE(script_screens::apply_post(unchanged, {}));
CHECK(unchanged.pixels == rgba(source));
// a size the kernels refuse leaves the image as it was
script_screens::post_image tooshort{std::vector<std::uint8_t>(10), 5, 3};
CHECK_FALSE(script_screens::apply_post(tooshort, steps));
CHECK(tooshort.width == 5);
CHECK(tooshort.pixels.size() == 10);
}