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
21#include <stdint.h>
22
23namespace android {
24namespace uirenderer {
25
26struct FloatColor {
27    void set(uint32_t color) {
28        a = ((color >> 24) & 0xff) / 255.0f;
29        r = a * ((color >> 16) & 0xff) / 255.0f;
30        g = a * ((color >>  8) & 0xff) / 255.0f;
31        b = a * ((color      ) & 0xff) / 255.0f;
32    }
33
34    bool isNotBlack() {
35        return a < 1.0f
36                || r > 0.0f
37                || g > 0.0f
38                || b > 0.0f;
39    }
40
41    float r;
42    float g;
43    float b;
44    float a;
45};
46
47REQUIRE_COMPATIBLE_LAYOUT(FloatColor);
48
49} /* namespace uirenderer */
50} /* namespace android */
51
52#endif /* FLOATCOLOR_H */
53