blob: e46b052b0190d1299d2c01f3c17204b84b090b87 [file] [log] [blame]
* Copyright 2023 Google Inc.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
#ifndef SkUnicode_icu_bidi_DEFINED
#define SkUnicode_icu_bidi_DEFINED
#include "modules/skunicode/include/SkUnicode.h"
#include <unicode/ubidi.h>
#include <unicode/umachine.h>
#include <unicode/utypes.h>
#include <cstdint>
#include <memory>
#include <vector>
class SkUnicode_IcuBidi {
static std::unique_ptr<SkBidiIterator> MakeIterator(const uint16_t utf16[], int utf16Units,
SkBidiIterator::Direction dir);
static std::unique_ptr<SkBidiIterator> MakeIterator(const char utf8[],
int utf8Units,
SkBidiIterator::Direction dir);
static bool ExtractBidi(const char utf8[], int utf8Units, SkUnicode::TextDirection dir,
std::vector<SkUnicode::BidiRegion>* bidiRegions);
static const char* errorName(UErrorCode status);
static void bidi_close(UBiDi* bidi);
static UBiDiDirection bidi_getDirection(const UBiDi* bidi);
static SkBidiIterator::Position bidi_getLength(const UBiDi* bidi);
static SkBidiIterator::Level bidi_getLevelAt(const UBiDi* bidi, int pos);
static UBiDi* bidi_openSized(int32_t maxLength, int32_t maxRunCount, UErrorCode* pErrorCode);
static void bidi_setPara(UBiDi* bidi,
const UChar* text,
int32_t length,
UBiDiLevel paraLevel,
UBiDiLevel* embeddingLevels,
UErrorCode* status);
static void bidi_reorderVisual(const SkUnicode::BidiLevel runLevels[],
int levelsCount,
int32_t logicalFromVisual[]);
#endif // SkUnicode_icu_bidi_DEFINED