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 23 namespace android { 24 namespace uirenderer { 25 26 struct 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 47 REQUIRE_COMPATIBLE_LAYOUT(FloatColor); 48 49 } /* namespace uirenderer */ 50 } /* namespace android */ 51 52 #endif /* FLOATCOLOR_H */ 53
