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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef FLUTTER_LIB_UI_PAINTING_PATH_MEASURE_H_
#define FLUTTER_LIB_UI_PAINTING_PATH_MEASURE_H_
#include <vector>
#include "flutter/lib/ui/dart_wrapper.h"
#include "flutter/lib/ui/painting/path.h"
#include "third_party/skia/include/core/SkContourMeasure.h"
#include "third_party/skia/include/core/SkPath.h"
#include "third_party/tonic/typed_data/typed_list.h"
// Be sure that the client doesn't modify a path on us before Skia finishes
// See AOSP's reasoning in PathMeasure.cpp
namespace flutter {
class CanvasPathMeasure : public RefCountedDartWrappable<CanvasPathMeasure> {
DEFINE_WRAPPERTYPEINFO();
FML_FRIEND_MAKE_REF_COUNTED(CanvasPathMeasure);
public:
~CanvasPathMeasure() override;
static void Create(Dart_Handle wrapper,
const CanvasPath* path,
bool forceClosed);
void setPath(const CanvasPath* path, bool isClosed);
double getLength(int contour_index);
tonic::Float32List getPosTan(int contour_index, double distance);
void getSegment(Dart_Handle path_handle,
int contour_index,
double start_d,
double stop_d,
bool start_with_move_to);
bool isClosed(int contour_index);
bool nextContour();
const SkContourMeasureIter& pathMeasure() const { return *path_measure_; }
private:
CanvasPathMeasure();
std::unique_ptr<SkContourMeasureIter> path_measure_;
std::vector<sk_sp<SkContourMeasure>> measures_;
};
} // namespace flutter
#endif // FLUTTER_LIB_UI_PAINTING_PATH_MEASURE_H_