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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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