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LibGfx/JBIG2: Pass Context to get_next_bit() instead of to initialize()

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The context can vary for every bit we read.

This does not affect the one use in the test which reuses the same
context for all bits, but it is necessary for future changes.
This commit is contained in:
Nico Weber
2024-03-14 21:36:22 -04:00
committed by Tim Flynn
parent e0713376a0
commit b8f80501ec
3 changed files with 10 additions and 10 deletions
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4
Tests/LibGfx/TestImageDecoder.cpp
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@@ -368,13 +368,13 @@ TEST_CASE(test_jbig2_arithmetic_decoder)
// "For this entire test, a single value of CX is used. I(CX) is initially 0 and MPS(CX) is initially 0."
Gfx::JBIG2::ArithmeticDecoder::Context context { 0, 0 };
auto decoder = MUST(Gfx::JBIG2::ArithmeticDecoder::initialize(input, context));
auto decoder = MUST(Gfx::JBIG2::ArithmeticDecoder::initialize(input));
for (auto expected : output) {
u8 actual = 0;
for (size_t i = 0; i < 8; ++i) {
actual <<= 1;
actual |= static_cast<u8>(decoder.get_next_bit());
actual |= static_cast<u8>(decoder.get_next_bit(context));
}
EXPECT_EQ(actual, expected);
}