| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| // Definitions internal to Minikin |
| |
| #define LOG_TAG "Minikin" |
| |
| #include <log/log.h> |
| |
| #include "MinikinInternal.h" |
| |
| namespace minikin { |
| |
| inline static bool isBMPVariationSelector(uint32_t codePoint) { |
| return VS1 <= codePoint && codePoint <= VS16; |
| } |
| |
| inline static bool isVariationSelectorSupplement(uint32_t codePoint) { |
| return VS17 <= codePoint && codePoint <= VS256; |
| } |
| |
| uint16_t getVsIndex(uint32_t codePoint) { |
| if (isBMPVariationSelector(codePoint)) { |
| return codePoint - VS1; |
| } else if (isVariationSelectorSupplement(codePoint)) { |
| return codePoint - VS17 + 16; |
| } else { |
| return INVALID_VS_INDEX; |
| } |
| } |
| |
| bool isVariationSelector(uint32_t codePoint) { |
| return isBMPVariationSelector(codePoint) || isVariationSelectorSupplement(codePoint); |
| } |
| |
| } // namespace minikin |