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LibGfx: Add test for serialized bytes of built-in sRGB profile
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@ -4,9 +4,11 @@
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/Endian.h>
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#include <LibCore/MappedFile.h>
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#include <LibGfx/ICC/BinaryWriter.h>
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#include <LibGfx/ICC/Profile.h>
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#include <LibGfx/ICC/WellKnownProfiles.h>
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#include <LibGfx/JPEGLoader.h>
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#include <LibGfx/PNGLoader.h>
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#include <LibGfx/WebPLoader.h>
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@ -75,3 +77,21 @@ TEST_CASE(serialize_icc)
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auto serialized_bytes = MUST(Gfx::ICC::encode(*icc_profile));
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EXPECT_EQ(serialized_bytes, file->bytes());
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}
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TEST_CASE(built_in_sRGB)
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{
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auto sRGB = MUST(Gfx::ICC::sRGB());
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auto serialized_bytes = MUST(Gfx::ICC::encode(sRGB));
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// We currently exactly match the curve in GIMP's built-in sRGB profile. It's a type 3 'para' curve with 5 parameters.
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u32 para[] = { 0x70617261, 0x00000000, 0x00030000, 0x00026666, 0x0000F2A7, 0x00000D59, 0x000013D0, 0x00000A5B };
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for (u32& i : para)
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i = AK::convert_between_host_and_big_endian(i);
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EXPECT(memmem(serialized_bytes.data(), serialized_bytes.size(), para, sizeof(para)) != nullptr);
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// We currently exactly match the chromatic adaptation matrix in GIMP's (and other's) built-in sRGB profile.
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u32 sf32[] = { 0x73663332, 0x00000000, 0x00010C42, 0x000005DE, 0xFFFFF325, 0x00000793, 0x0000FD90, 0xFFFFFBA1, 0xFFFFFDA2, 0x000003DC, 0x0000C06E };
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for (u32& i : sf32)
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i = AK::convert_between_host_and_big_endian(i);
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EXPECT(memmem(serialized_bytes.data(), serialized_bytes.size(), sf32, sizeof(sf32)) != nullptr);
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}
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