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This compression scheme was quite popular during the 80's, and we can still find it in use inside file formats such as TIFF or PDF.
25 lines
694 B
C++
25 lines
694 B
C++
/*
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* Copyright (c) 2023, 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 <LibTest/TestCase.h>
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#include <AK/Array.h>
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#include <LibCompress/PackBitsDecoder.h>
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TEST_CASE(pack_bits)
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{
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Array<u8, 15> const compressed {
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0xFE, 0xAA, 0x02, 0x80, 0x00, 0x2A, 0xFD, 0xAA, 0x03, 0x80, 0x00, 0x2A, 0x22, 0xF7, 0xAA
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};
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Array<u8, 24> const raw {
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0xAA, 0xAA, 0xAA, 0x80, 0x00, 0x2A, 0xAA, 0xAA, 0xAA, 0xAA, 0x80, 0x00,
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0x2A, 0x22, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA
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};
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auto unpacked = TRY_OR_FAIL(Compress::PackBits::decode_all(compressed));
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EXPECT_EQ(unpacked.bytes(), raw);
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}
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