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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_H_
#define FLUTTER_LIB_UI_PAINTING_PATH_H_
#include "flutter/lib/ui/dart_wrapper.h"
#include "flutter/lib/ui/painting/rrect.h"
#include "flutter/lib/ui/ui_dart_state.h"
#include "flutter/lib/ui/volatile_path_tracker.h"
#include "third_party/skia/include/core/SkPath.h"
#include "third_party/skia/include/pathops/SkPathOps.h"
#include "third_party/tonic/typed_data/typed_list.h"
namespace flutter {
class CanvasPath : public RefCountedDartWrappable<CanvasPath> {
DEFINE_WRAPPERTYPEINFO();
FML_FRIEND_MAKE_REF_COUNTED(CanvasPath);
public:
~CanvasPath() override;
static void CreateFrom(Dart_Handle path_handle, const SkPath& src) {
auto path = fml::MakeRefCounted<CanvasPath>();
path->AssociateWithDartWrapper(path_handle);
path->tracked_path_->path = src;
}
static fml::RefPtr<CanvasPath> Create(Dart_Handle wrapper) {
UIDartState::ThrowIfUIOperationsProhibited();
auto res = fml::MakeRefCounted<CanvasPath>();
res->AssociateWithDartWrapper(wrapper);
return res;
}
int getFillType();
void setFillType(int fill_type);
void moveTo(double x, double y);
void relativeMoveTo(double x, double y);
void lineTo(double x, double y);
void relativeLineTo(double x, double y);
void quadraticBezierTo(double x1, double y1, double x2, double y2);
void relativeQuadraticBezierTo(double x1, double y1, double x2, double y2);
void cubicTo(double x1,
double y1,
double x2,
double y2,
double x3,
double y3);
void relativeCubicTo(double x1,
double y1,
double x2,
double y2,
double x3,
double y3);
void conicTo(double x1, double y1, double x2, double y2, double w);
void relativeConicTo(double x1, double y1, double x2, double y2, double w);
void arcTo(double left,
double top,
double right,
double bottom,
double startAngle,
double sweepAngle,
bool forceMoveTo);
void arcToPoint(double arcEndX,
double arcEndY,
double radiusX,
double radiusY,
double xAxisRotation,
bool isLargeArc,
bool isClockwiseDirection);
void relativeArcToPoint(double arcEndDeltaX,
double arcEndDeltaY,
double radiusX,
double radiusY,
double xAxisRotation,
bool isLargeArc,
bool isClockwiseDirection);
void addRect(double left, double top, double right, double bottom);
void addOval(double left, double top, double right, double bottom);
void addArc(double left,
double top,
double right,
double bottom,
double startAngle,
double sweepAngle);
void addPolygon(const tonic::Float32List& points, bool close);
void addRRect(const RRect& rrect);
void addPath(CanvasPath* path, double dx, double dy);
void addPathWithMatrix(CanvasPath* path,
double dx,
double dy,
Dart_Handle matrix4_handle);
void extendWithPath(CanvasPath* path, double dx, double dy);
void extendWithPathAndMatrix(CanvasPath* path,
double dx,
double dy,
Dart_Handle matrix4_handle);
void close();
void reset();
bool contains(double x, double y);
void shift(Dart_Handle path_handle, double dx, double dy);
void transform(Dart_Handle path_handle, Dart_Handle matrix4_handle);
tonic::Float32List getBounds();
bool op(CanvasPath* path1, CanvasPath* path2, int operation);
void clone(Dart_Handle path_handle);
const SkPath& path() const { return tracked_path_->path; }
private:
CanvasPath();
std::shared_ptr<VolatilePathTracker> path_tracker_;
std::shared_ptr<VolatilePathTracker::TrackedPath> tracked_path_;
// Must be called whenever the path is created or mutated.
void resetVolatility();
SkPath& mutable_path() { return tracked_path_->path; }
};
} // namespace flutter
#endif // FLUTTER_LIB_UI_PAINTING_PATH_H_