* Copyright (C) 2015 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.
*/
#ifndef MINIKIN_LAYOUT_UTILS_H
#define MINIKIN_LAYOUT_UTILS_H
#include <stddef.h>
#include <stdint.h>
namespace minikin {
* Determine whether the code unit is a word space for the purposes of
* justification.
*/
bool isWordSpace(uint16_t code_unit);
* Return offset of previous word break. It is either < offset or == 0.
*
* For the purpose of layout, a word break is a boundary with no
* kerning or complex script processing. This is necessarily a
* heuristic, but should be accurate most of the time.
*/
size_t getPrevWordBreakForCache(const uint16_t* chars,
size_t offset,
size_t len);
* Return offset of next word break. It is either > offset or == len.
*
* For the purpose of layout, a word break is a boundary with no
* kerning or complex script processing. This is necessarily a
* heuristic, but should be accurate most of the time.
*/
size_t getNextWordBreakForCache(const uint16_t* chars,
size_t offset,
size_t len);
}
#endif
