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LibGfx/TIFF+CCITT: Start to decode CCITT Group 3 images
We currently only support 1D Group 3, but that's a start. The test case was generated with GIMP (it happens to be 1D by chance).
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@ -555,6 +555,18 @@ TEST_CASE(test_tiff_ccitt_rle)
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EXPECT_EQ(frame.image->get_pixel(60, 75), Gfx::Color::NamedColor::Black);
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}
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TEST_CASE(test_tiff_ccitt3)
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{
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auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("tiff/ccitt3.tiff"sv)));
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EXPECT(Gfx::TIFFImageDecoderPlugin::sniff(file->bytes()));
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auto plugin_decoder = TRY_OR_FAIL(Gfx::TIFFImageDecoderPlugin::create(file->bytes()));
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auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 400, 300 }));
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EXPECT_EQ(frame.image->get_pixel(0, 0), Gfx::Color::NamedColor::White);
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EXPECT_EQ(frame.image->get_pixel(60, 75), Gfx::Color::NamedColor::Black);
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}
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TEST_CASE(test_tiff_lzw)
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{
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auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("tiff/lzw.tiff"sv)));
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