tests/PMFloatTest.cpp - Issue 954323002: add auto SkPMFloat <-> Sk4f conversion

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Side by Side Diff: tests/PMFloatTest.cpp

Issue 954323002: add auto SkPMFloat <-> Sk4f conversion (Closed) Base URL: https://skia.googlesource.com/skia.git@master

Patch Set: rebase Created 5 years, 10 months ago

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1 #include "SkPMFloat.h"	1 #include "SkPMFloat.h"

2 #include "Test.h"	2 #include "Test.h"

3	3

4 DEF_TEST(SkPMFloat, r) {	4 DEF_TEST(SkPMFloat, r) {

	5 // Test SkPMColor <-> SkPMFloat

5 SkPMColor c = SkPreMultiplyColor(0xFFCC9933);	6 SkPMColor c = SkPreMultiplyColor(0xFFCC9933);

6	7

7 SkPMFloat pmf;	8 SkPMFloat pmf;

8 pmf.set(c);	9 pmf.set(c);

9 REPORTER_ASSERT(r, SkScalarNearlyEqual(1.0f, pmf.a()));	10 REPORTER_ASSERT(r, SkScalarNearlyEqual(1.0f, pmf.a()));

10 REPORTER_ASSERT(r, SkScalarNearlyEqual(0.8f, pmf.r()));	11 REPORTER_ASSERT(r, SkScalarNearlyEqual(0.8f, pmf.r()));

11 REPORTER_ASSERT(r, SkScalarNearlyEqual(0.6f, pmf.g()));	12 REPORTER_ASSERT(r, SkScalarNearlyEqual(0.6f, pmf.g()));

12 REPORTER_ASSERT(r, SkScalarNearlyEqual(0.2f, pmf.b()));	13 REPORTER_ASSERT(r, SkScalarNearlyEqual(0.2f, pmf.b()));

13	14

14 REPORTER_ASSERT(r, c == pmf.get());	15 REPORTER_ASSERT(r, c == pmf.get());

15	16

	17 // Test clamping.

16 SkPMFloat unclamped;	18 SkPMFloat unclamped;

17 unclamped.setA(+2.0f);	19 unclamped.setA(+2.0f);

18 unclamped.setR(+0.2f);	20 unclamped.setR(+0.2f);

19 unclamped.setG(-0.2f);	21 unclamped.setG(-0.2f);

20 unclamped.setB(-5.0f);	22 unclamped.setB(-5.0f);

21	23

22 SkPMFloat clamped;	24 SkPMFloat clamped;

23 clamped.set(unclamped.clamped());	25 clamped.set(unclamped.clamped());

24	26

25 REPORTER_ASSERT(r, SkScalarNearlyEqual(1.0f, clamped.a()));	27 REPORTER_ASSERT(r, SkScalarNearlyEqual(1.0f, clamped.a()));

26 REPORTER_ASSERT(r, SkScalarNearlyEqual(0.2f, clamped.r()));	28 REPORTER_ASSERT(r, SkScalarNearlyEqual(0.2f, clamped.r()));

27 REPORTER_ASSERT(r, SkScalarNearlyEqual(0.0f, clamped.g()));	29 REPORTER_ASSERT(r, SkScalarNearlyEqual(0.0f, clamped.g()));

28 REPORTER_ASSERT(r, SkScalarNearlyEqual(0.0f, clamped.b()));	30 REPORTER_ASSERT(r, SkScalarNearlyEqual(0.0f, clamped.b()));

	31

	32 // Test SkPMFloat <-> Sk4f conversion.

	33 Sk4f fs = clamped;

	34 SkPMFloat scaled = fs.multiply(Sk4f(4,4,4,4));

	35

	36 REPORTER_ASSERT(r, SkScalarNearlyEqual(4.0f, scaled.a()));

	37 REPORTER_ASSERT(r, SkScalarNearlyEqual(0.8f, scaled.r()));

	38 REPORTER_ASSERT(r, SkScalarNearlyEqual(0.0f, scaled.g()));

	39 REPORTER_ASSERT(r, SkScalarNearlyEqual(0.0f, scaled.b()));

29 }	40 }

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