/*

 * Copyright 2018 Google Inc.

 *

 * Use of this source code is governed by a BSD-style license that can be

 * found in the LICENSE file.

 */

#ifndef SkPathOpsTCurve_DEFINED

#define SkPathOpsTCurve_DEFINED

#include "src/pathops/SkPathOpsPoint.h"

class SkArenaAlloc;

class SkIntersections;

struct SkDRect;

class SkTCurve {

public:

    virtual ~SkTCurve() {}

    virtual const SkDPoint& operator[](int n) const = 0;

    virtual SkDPoint& operator[](int n) = 0;

    virtual bool collapsed() const = 0;

    virtual bool controlsInside() const = 0;

    virtual void debugInit() = 0;

#if DEBUG_T_SECT

    virtual void dumpID(int id) const = 0;

#endif

    virtual SkDVector dxdyAtT(double t) const = 0;

    virtual bool hullIntersects(const SkDQuad& , bool* isLinear) const = 0;

    virtual bool hullIntersects(const SkDConic& , bool* isLinear) const = 0;

    virtual bool hullIntersects(const SkDCubic& , bool* isLinear) const = 0;

    virtual bool hullIntersects(const SkTCurve& , bool* isLinear) const = 0;

    virtual int intersectRay(SkIntersections* i, const SkDLine& line) const = 0;

    virtual bool IsConic() const = 0;

    virtual SkTCurve* make(SkArenaAlloc& ) const = 0;

    virtual int maxIntersections() const = 0;

    virtual void otherPts(int oddMan, const SkDPoint* endPt[2]) const = 0;

    virtual int pointCount() const = 0;

    virtual int pointLast() const = 0;

    virtual SkDPoint ptAtT(double t) const = 0;

    virtual void setBounds(SkDRect* ) const = 0;

    virtual void subDivide(double t1, double t2, SkTCurve* curve) const = 0;

#ifdef SK_DEBUG

    virtual SkOpGlobalState* globalState() const = 0;

#endif

};

#endif