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ff2c6cab55
Truncating the value is mathematically incorrect, this error made the
conversion to grayscale unstable. In other world, calling `to_grayscale`
on a gray value would return a different value. As an example,
`Color::from_string("#686868ff"sv).to_grayscale()` used to return
#676767ff.
17 lines
328 B
C++
17 lines
328 B
C++
/*
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* Copyright (c) 2024, Lucas Chollet <lucas.chollet@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibGfx/Color.h>
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#include <LibTest/TestCase.h>
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TEST_CASE(color)
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{
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for (u16 i = 0; i < 256; ++i) {
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auto const gray = Color(i, i, i);
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EXPECT_EQ(gray, gray.to_grayscale());
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}
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}
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