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/*
* 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
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