OLD | NEW |
| (Empty) |
1 /* | |
2 * Copyright 2015 Google Inc. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license that can be | |
5 * found in the LICENSE file. | |
6 */ | |
7 | |
8 #include "SkPMFloat.h" | |
9 #include "Test.h" | |
10 | |
11 DEF_TEST(SkPMFloat, r) { | |
12 // Test SkPMColor <-> SkPMFloat | |
13 SkPMColor c = SkPreMultiplyColor(0xFFCC9933); | |
14 SkPMFloat pmf(c); | |
15 REPORTER_ASSERT(r, SkScalarNearlyEqual(255.0f, 255*pmf.a())); | |
16 REPORTER_ASSERT(r, SkScalarNearlyEqual(204.0f, 255*pmf.r())); | |
17 REPORTER_ASSERT(r, SkScalarNearlyEqual(153.0f, 255*pmf.g())); | |
18 REPORTER_ASSERT(r, SkScalarNearlyEqual( 51.0f, 255*pmf.b())); | |
19 REPORTER_ASSERT(r, c == pmf.round()); | |
20 | |
21 // Test rounding. | |
22 pmf = SkPMFloat(254.5f/255, 203.5f/255, 153.1f/255, 50.8f/255); | |
23 REPORTER_ASSERT(r, c == pmf.round()); | |
24 | |
25 SkPMFloat clamped(SkPMFloat(510.0f/255, 153.0f/255, 1.0f/255, -0.2f/255).rou
nd()); | |
26 REPORTER_ASSERT(r, SkScalarNearlyEqual(255.0f, 255*clamped.a())); | |
27 REPORTER_ASSERT(r, SkScalarNearlyEqual(153.0f, 255*clamped.r())); | |
28 REPORTER_ASSERT(r, SkScalarNearlyEqual( 1.0f, 255*clamped.g())); | |
29 REPORTER_ASSERT(r, SkScalarNearlyEqual( 0.0f, 255*clamped.b())); | |
30 | |
31 // Test SkPMFloat <-> Sk4f conversion. | |
32 Sk4f fs = clamped; | |
33 SkPMFloat scaled = fs * Sk4f(0.25f); | |
34 REPORTER_ASSERT(r, SkScalarNearlyEqual(63.75f, 255*scaled.a())); | |
35 REPORTER_ASSERT(r, SkScalarNearlyEqual(38.25f, 255*scaled.r())); | |
36 REPORTER_ASSERT(r, SkScalarNearlyEqual( 0.25f, 255*scaled.g())); | |
37 REPORTER_ASSERT(r, SkScalarNearlyEqual( 0.00f, 255*scaled.b())); | |
38 } | |
OLD | NEW |