1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16#ifndef FLOATCOLOR_H
17#define FLOATCOLOR_H
18
19#include "utils/Macros.h"
20#include "utils/MathUtils.h"
21
22#include <stdint.h>
23
24namespace android {
25namespace uirenderer {
26
27struct FloatColor {
28    void set(uint32_t color) {
29        a = ((color >> 24) & 0xff) / 255.0f;
30        r = a * ((color >> 16) & 0xff) / 255.0f;
31        g = a * ((color >>  8) & 0xff) / 255.0f;
32        b = a * ((color      ) & 0xff) / 255.0f;
33    }
34
35    bool isNotBlack() {
36        return a < 1.0f
37                || r > 0.0f
38                || g > 0.0f
39                || b > 0.0f;
40    }
41
42    bool operator==(const FloatColor& other) const {
43        return MathUtils::areEqual(r, other.r)
44                && MathUtils::areEqual(g, other.g)
45                && MathUtils::areEqual(b, other.b)
46                && MathUtils::areEqual(a, other.a);
47    }
48
49    bool operator!=(const FloatColor& other) const {
50        return !(*this == other);
51    }
52
53    float r;
54    float g;
55    float b;
56    float a;
57};
58
59REQUIRE_COMPATIBLE_LAYOUT(FloatColor);
60
61} /* namespace uirenderer */
62} /* namespace android */
63
64#endif /* FLOATCOLOR_H */
65