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LibGfx/TIFF: Add support for LZW compression
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4f5a0227e2
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272be6b20a
3 changed files with 56 additions and 1 deletions
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@ -384,6 +384,18 @@ TEST_CASE(test_tiff_uncompressed)
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EXPECT_EQ(frame.image->get_pixel(60, 75), Gfx::Color::NamedColor::Red);
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}
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TEST_CASE(test_tiff_lzw)
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{
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auto file = MUST(Core::MappedFile::map(TEST_INPUT("tiff/lzw.tiff"sv)));
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EXPECT(Gfx::TIFFImageDecoderPlugin::sniff(file->bytes()));
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auto plugin_decoder = MUST(Gfx::TIFFImageDecoderPlugin::create(file->bytes()));
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auto frame = 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::Red);
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}
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TEST_CASE(test_tiff_packed_bits)
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{
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auto file = MUST(Core::MappedFile::map(TEST_INPUT("tiff/packed_bits.tiff"sv)));
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