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LibGfx/CCITT: Add support for Group3 2D

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The two test images were created with:
tiffcp ccit3.tiff -c g3:2d ccit3_2d.tiff
tiffcp ccit3.tiff -c g3:2d:fill ccit3_2d_fill.tiff
This commit is contained in:
Lucas CHOLLET 2024-02-12 09:36:46 -05:00 • committed by Jelle Raaijmakers
parent 9116cc3f45
commit be9ec591e7
4 changed files with 188 additions and 5 deletions
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24
Tests/LibGfx/TestImageDecoder.cpp
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@ -630,6 +630,30 @@ TEST_CASE(test_tiff_ccitt3_fill)
EXPECT_EQ(frame.image->get_pixel(5, 3), Gfx::Color::NamedColor::White);
}
TEST_CASE(test_tiff_ccitt3_2d)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("tiff/ccitt3_2d.tiff"sv)));
EXPECT(Gfx::TIFFImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::TIFFImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 400, 300 }));
EXPECT_EQ(frame.image->get_pixel(0, 0), Gfx::Color::NamedColor::White);
EXPECT_EQ(frame.image->get_pixel(60, 75), Gfx::Color::NamedColor::Black);
}
TEST_CASE(test_tiff_ccitt3_2d_fill)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("tiff/ccitt3_2d_fill.tiff"sv)));
EXPECT(Gfx::TIFFImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::TIFFImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 400, 300 }));
EXPECT_EQ(frame.image->get_pixel(0, 0), Gfx::Color::NamedColor::White);
EXPECT_EQ(frame.image->get_pixel(60, 75), Gfx::Color::NamedColor::Black);
}
TEST_CASE(test_tiff_lzw)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("tiff/lzw.tiff"sv)));