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Tests: Add a pam cmyk test file

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Hand-written in a text editor.

I verified that `convert` converts it to a png that looks like the
rgb test expectations.
This commit is contained in:
Nico Weber 2024-01-25 11:40:07 -05:00 committed by Andreas Kling
parent c431cf4907
commit c694d4326b
2 changed files with 26 additions and 0 deletions
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18
Tests/LibGfx/TestImageDecoder.cpp
View file

@ -457,6 +457,24 @@ TEST_CASE(test_pam_rgb)
EXPECT_EQ(frame.image->get_pixel(1, 0), Gfx::Color('0', '0', 'z'));
}
TEST_CASE(test_pam_cmyk)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("pnm/2x1-cmyk.pam"sv)));
EXPECT(Gfx::PAMImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::PAMImageDecoderPlugin::create(file->bytes()));
EXPECT_EQ(plugin_decoder->natural_frame_format(), Gfx::NaturalFrameFormat::CMYK);
auto cmyk_frame = TRY_OR_FAIL(plugin_decoder->cmyk_frame());
EXPECT_EQ(cmyk_frame->size(), Gfx::IntSize(2, 1));
EXPECT_EQ(cmyk_frame->begin()[0], (Gfx::CMYK { '0', 'z', '0', 'y' }));
EXPECT_EQ(cmyk_frame->begin()[1], (Gfx::CMYK { '0', '0', 'z', 'y' }));
auto frame = TRY_OR_FAIL(expect_single_frame(*plugin_decoder));
EXPECT_EQ(frame.image->size(), Gfx::IntSize(2, 1));
EXPECT_EQ(frame.image->get_pixel(0, 0), Gfx::Color('l', 'E', 'l'));
EXPECT_EQ(frame.image->get_pixel(1, 0), Gfx::Color('l', 'l', 'E'));
}
TEST_CASE(test_pbm)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("pnm/buggie-raw.pbm"sv)));

8
Tests/LibGfx/test-inputs/pnm/2x1-cmyk.pam Normal file
View file

@ -0,0 +1,8 @@
P7
WIDTH 2
HEIGHT 1
DEPTH 4
MAXVAL 255
TUPLTYPE CMYK
ENDHDR
0z0y00zy