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