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#include "SkPMFloat.h"
#include "Test.h"
DEF_TEST(SkPMFloat, r) {
// Test SkPMColor <-> SkPMFloat
SkPMColor c = SkPreMultiplyColor(0xFFCC9933);
SkPMFloat pmf;
pmf.set(c);
REPORTER_ASSERT(r, SkScalarNearlyEqual(1.0f, pmf.a()));
REPORTER_ASSERT(r, SkScalarNearlyEqual(0.8f, pmf.r()));
REPORTER_ASSERT(r, SkScalarNearlyEqual(0.6f, pmf.g()));
REPORTER_ASSERT(r, SkScalarNearlyEqual(0.2f, pmf.b()));
REPORTER_ASSERT(r, c == pmf.get());
// Test clamping.
SkPMFloat unclamped;
unclamped.setA(+2.0f);
unclamped.setR(+0.2f);
unclamped.setG(-0.2f);
unclamped.setB(-5.0f);
SkPMFloat clamped;
clamped.set(unclamped.clamped());
REPORTER_ASSERT(r, SkScalarNearlyEqual(1.0f, clamped.a()));
REPORTER_ASSERT(r, SkScalarNearlyEqual(0.2f, clamped.r()));
REPORTER_ASSERT(r, SkScalarNearlyEqual(0.0f, clamped.g()));
REPORTER_ASSERT(r, SkScalarNearlyEqual(0.0f, clamped.b()));
// Test SkPMFloat <-> Sk4f conversion.
Sk4f fs = clamped;
SkPMFloat scaled = fs.multiply(Sk4f(4,4,4,4));
REPORTER_ASSERT(r, SkScalarNearlyEqual(4.0f, scaled.a()));
REPORTER_ASSERT(r, SkScalarNearlyEqual(0.8f, scaled.r()));
REPORTER_ASSERT(r, SkScalarNearlyEqual(0.0f, scaled.g()));
REPORTER_ASSERT(r, SkScalarNearlyEqual(0.0f, scaled.b()));
}
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