diff options
Diffstat (limited to 'tests/ColorSpaceTest.cpp')
-rw-r--r-- | tests/ColorSpaceTest.cpp | 38 |
1 files changed, 34 insertions, 4 deletions
diff --git a/tests/ColorSpaceTest.cpp b/tests/ColorSpaceTest.cpp index 3361aa3420..37785e238b 100644 --- a/tests/ColorSpaceTest.cpp +++ b/tests/ColorSpaceTest.cpp @@ -17,13 +17,11 @@ static SkStreamAsset* resource(const char path[]) { return SkStream::NewFromFile(fullPath.c_str()); } -#if (PNG_LIBPNG_VER_MAJOR > 1) || (PNG_LIBPNG_VER_MAJOR == 1 && PNG_LIBPNG_VER_MINOR >= 6) static bool almost_equal(float a, float b) { - return SkTAbs(a - b) < 0.0001f; + return SkTAbs(a - b) < 0.001f; } -#endif -DEF_TEST(ColorSpaceParseICCProfile, r) { +DEF_TEST(ColorSpaceParsePngICCProfile, r) { SkAutoTDelete<SkStream> stream(resource("color_wheel_with_profile.png")); REPORTER_ASSERT(r, nullptr != stream); @@ -55,3 +53,35 @@ DEF_TEST(ColorSpaceParseICCProfile, r) { REPORTER_ASSERT(r, almost_equal(0.714096f, xyz.fMat[8])); #endif } + +DEF_TEST(ColorSpaceParseJpegICCProfile, r) { + SkAutoTDelete<SkStream> stream(resource("icc-v2-gbr.jpg")); + REPORTER_ASSERT(r, nullptr != stream); + + SkAutoTDelete<SkCodec> codec(SkCodec::NewFromStream(stream.release())); + REPORTER_ASSERT(r, nullptr != codec); + + SkColorSpace* colorSpace = codec->getColorSpace(); + REPORTER_ASSERT(r, nullptr != colorSpace); + + // It's important to use almost equal here. This profile sets gamma as + // 563 / 256, which actually comes out to about 2.19922. + SkFloat3 gammas = colorSpace->gamma(); + REPORTER_ASSERT(r, almost_equal(2.2f, gammas.fVec[0])); + REPORTER_ASSERT(r, almost_equal(2.2f, gammas.fVec[1])); + REPORTER_ASSERT(r, almost_equal(2.2f, gammas.fVec[2])); + + // These nine values were extracted from the color profile. Until we know any + // better, we'll assume these are the right values and test that we continue + // to extract them properly. + SkFloat3x3 xyz = colorSpace->xyz(); + REPORTER_ASSERT(r, almost_equal(0.385117f, xyz.fMat[0])); + REPORTER_ASSERT(r, almost_equal(0.716904f, xyz.fMat[1])); + REPORTER_ASSERT(r, almost_equal(0.0970612f, xyz.fMat[2])); + REPORTER_ASSERT(r, almost_equal(0.143051f, xyz.fMat[3])); + REPORTER_ASSERT(r, almost_equal(0.0606079f, xyz.fMat[4])); + REPORTER_ASSERT(r, almost_equal(0.713913f, xyz.fMat[5])); + REPORTER_ASSERT(r, almost_equal(0.436035f, xyz.fMat[6])); + REPORTER_ASSERT(r, almost_equal(0.222488f, xyz.fMat[7])); + REPORTER_ASSERT(r, almost_equal(0.013916f, xyz.fMat[8])); +} |