DEF_TEST(ColorSpace_Serialize, r) {
test_serialize(r, SkColorSpace::MakeSRGB(), true);
test_serialize(r, SkColorSpace::MakeSRGBLinear(), true);
auto test = [&](const char* path) {
sk_sp<SkData> data = GetResourceAsData(path);
skcms_ICCProfile profile;
REPORTER_ASSERT(r, skcms_Parse(data->data(), data->size(), &profile));
sk_sp<SkColorSpace> space = SkColorSpace::Make(profile);
REPORTER_ASSERT(r, space);
test_serialize(r, space, false);
};
test("icc_profiles/HP_ZR30w.icc");
test("icc_profiles/HP_Z32x.icc");
skcms_TransferFunction fn;
fn.a = 1.0f;
fn.b = 0.0f;
fn.c = 1.0f;
fn.d = 0.5f;
fn.e = 0.0f;
fn.f = 0.0f;
fn.g = 1.0f;
skcms_Matrix3x3 toXYZ = {{
{ 1, 0, 0 },
{ 0, 1, 0 },
{ 0, 0, 1 },
}};
test_serialize(r, SkColorSpace::MakeRGB(fn, toXYZ), false);
}
std::unique_ptr<SkEncodedInfo::ICCProfile> SkEncodedInfo::ICCProfile::Make(sk_sp<SkData> data) {
if (data) {
skcms_ICCProfile profile;
if (skcms_Parse(data->data(), data->size(), &profile)) {
return std::unique_ptr<ICCProfile>(new ICCProfile(profile, std::move(data)));
}
}
return nullptr;
}
DEF_TEST(ColorSpace_Equals, r) {
sk_sp<SkColorSpace> srgb = SkColorSpace::MakeSRGB();
auto parse = [&](const char* path) {
sk_sp<SkData> data = GetResourceAsData(path);
skcms_ICCProfile profile;
REPORTER_ASSERT(r, skcms_Parse(data->data(), data->size(), &profile));
sk_sp<SkColorSpace> space = SkColorSpace::Make(profile);
REPORTER_ASSERT(r, space);
return space;
};
sk_sp<SkColorSpace> z30 = parse("icc_profiles/HP_ZR30w.icc");
sk_sp<SkColorSpace> z32 = parse("icc_profiles/HP_Z32x.icc");
skcms_TransferFunction fn;
fn.a = 1.0f;
fn.b = 0.0f;
fn.c = 1.0f;
fn.d = 0.5f;
fn.e = 0.0f;
fn.f = 0.0f;
fn.g = 1.0f;
skcms_Matrix3x3 toXYZ = {{
{ 1, 0, 0 },
{ 0, 1, 0 },
{ 0, 0, 1 },
}};
sk_sp<SkColorSpace> rgb4 = SkColorSpace::MakeRGB(fn, toXYZ);
REPORTER_ASSERT(r, SkColorSpace::Equals(nullptr, nullptr));
REPORTER_ASSERT(r, SkColorSpace::Equals(srgb.get(), srgb.get()));
REPORTER_ASSERT(r, SkColorSpace::Equals(z30.get(), z30.get()));
REPORTER_ASSERT(r, SkColorSpace::Equals(z32.get(), z32.get()));
REPORTER_ASSERT(r, SkColorSpace::Equals(rgb4.get(), rgb4.get()));
REPORTER_ASSERT(r, !SkColorSpace::Equals(nullptr, srgb.get()));
REPORTER_ASSERT(r, !SkColorSpace::Equals(srgb.get(), nullptr));
REPORTER_ASSERT(r, !SkColorSpace::Equals(z30.get(), srgb.get()));
REPORTER_ASSERT(r, !SkColorSpace::Equals(z32.get(), z30.get()));
REPORTER_ASSERT(r, !SkColorSpace::Equals(z30.get(), rgb4.get()));
REPORTER_ASSERT(r, !SkColorSpace::Equals(srgb.get(), rgb4.get()));
}
static bool cs_to_profile(const SkColorSpace* cs, skcms_ICCProfile* profile) {
if (cs->profileData()) {
bool result = skcms_Parse(cs->profileData()->data(), cs->profileData()->size(), profile);
// We shouldn't encounter color spaces that were constructed from invalid profiles!
SkASSERT(result);
return result;
}
SkMatrix44 toXYZ;
SkColorSpaceTransferFn tf;
if (cs->toXYZD50(&toXYZ) && cs->isNumericalTransferFn(&tf)) {
memset(profile, 0, sizeof(*profile));
profile->has_trc = true;
profile->trc[0].parametric.g = tf.fG;
profile->trc[0].parametric.a = tf.fA;
profile->trc[0].parametric.b = tf.fB;
profile->trc[0].parametric.c = tf.fC;
profile->trc[0].parametric.d = tf.fD;
profile->trc[0].parametric.e = tf.fE;
profile->trc[0].parametric.f = tf.fF;
profile->trc[1].parametric = profile->trc[0].parametric;
profile->trc[2].parametric = profile->trc[0].parametric;
profile->has_toXYZD50 = true;
for (int r = 0; r < 3; ++r) {
for (int c = 0; c < 3; ++c) {
profile->toXYZD50.vals[r][c] = toXYZ.get(r, c);
}
}
return true;
}
// It should be impossible to make a color space that gets here with our available factories.
// All ICC-based profiles have profileData. All remaining factories produce XYZ spaces with
// a single (numerical) transfer function.
SkDEBUGFAIL("How did we get here?");
return false;
}