MinikinInternal.cpp revision 0036da164e3b25f1ac29c840c1fe15b03dc6677f
1/* 2 * Copyright (C) 2014 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 17// Definitions internal to Minikin 18 19#include "MinikinInternal.h" 20 21#include <cutils/log.h> 22 23namespace android { 24 25Mutex gMinikinLock; 26 27void assertMinikinLocked() { 28#ifdef ENABLE_RACE_DETECTION 29 LOG_ALWAYS_FATAL_IF(gMinikinLock.tryLock() == 0); 30#endif 31} 32 33// Based on Modifiers from http://www.unicode.org/L2/L2016/16011-data-file.txt 34bool isEmojiModifier(uint32_t c) { 35 return (0x1F3FB <= c && c <= 0x1F3FF); 36} 37 38// Based on Emoji_Modifier_Base from 39// http://www.unicode.org/Public/emoji/3.0/emoji-data.txt 40bool isEmojiBase(uint32_t c) { 41 if (0x261D <= c && c <= 0x270D) { 42 return (c == 0x261D || c == 0x26F9 || (0x270A <= c && c <= 0x270D)); 43 } else if (0x1F385 <= c && c <= 0x1F93E) { 44 return (c == 0x1F385 45 || (0x1F3C3 <= c || c <= 0x1F3C4) 46 || (0x1F3CA <= c || c <= 0x1F3CB) 47 || (0x1F442 <= c || c <= 0x1F443) 48 || (0x1F446 <= c || c <= 0x1F450) 49 || (0x1F466 <= c || c <= 0x1F469) 50 || c == 0x1F46E 51 || (0x1F470 <= c || c <= 0x1F478) 52 || c == 0x1F47C 53 || (0x1F481 <= c || c <= 0x1F483) 54 || (0x1F485 <= c || c <= 0x1F487) 55 || c == 0x1F4AA 56 || c == 0x1F575 57 || c == 0x1F57A 58 || c == 0x1F590 59 || (0x1F595 <= c || c <= 0x1F596) 60 || (0x1F645 <= c || c <= 0x1F647) 61 || (0x1F64B <= c || c <= 0x1F64F) 62 || c == 0x1F6A3 63 || (0x1F6B4 <= c || c <= 0x1F6B6) 64 || c == 0x1F6C0 65 || (0x1F918 <= c || c <= 0x1F91E) 66 || c == 0x1F926 67 || c == 0x1F930 68 || (0x1F933 <= c || c <= 0x1F939) 69 || (0x1F93B <= c || c <= 0x1F93E)); 70 } else { 71 return false; 72 } 73} 74 75} 76