/*
 * Copyright (C) 2023 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#pragma once

#if USE(CG)

#include <WebCore/PathImpl.h>
#include <WebCore/PlatformPath.h>
#include <WebCore/WindRule.h>
#include <wtf/Function.h>
#include <wtf/TZoneMalloc.h>

typedef struct CGContext* CGContextRef;

namespace WebCore {

class GraphicsContext;
class Path;
class PathStream;

class PathCG final : public PathImpl {
    WTF_MAKE_TZONE_ALLOCATED(PathCG);
    WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(PathCG);
public:
    WEBCORE_EXPORT static Ref<PathCG> create(std::span<const PathSegment> = { });
    static Ref<PathCG> create(RetainPtr<CGMutablePathRef>&&);

    static PlatformPathPtr emptyPlatformPath();

    PlatformPathPtr NODELETE platformPath() const;

    void addPath(const PathCG&, const AffineTransform&);

    bool definitelyEqual(const PathImpl&) const final;
    Ref<PathImpl> copy() const final;
    void add(PathMoveTo) final;
    void add(PathLineTo) final;
    void add(PathQuadCurveTo) final;
    void add(PathBezierCurveTo) final;
    void add(PathArcTo) final;
    void add(PathArc) final;
    void add(PathClosedArc) final;
    void add(PathEllipse) final;
    void add(PathEllipseInRect) final;
    void add(PathRect) final;
    void add(PathRoundedRect) final;
    void add(PathContinuousRoundedRect) final;
    void add(PathCloseSubpath) final;

    bool applyElements(const PathElementApplier&) const final;

    bool transform(const AffineTransform&) final;

    bool contains(const FloatPoint&, WindRule) const;
    bool strokeContains(const FloatPoint&, NOESCAPE const Function<void(GraphicsContext&)>& strokeStyleApplier) const;

    FloatRect strokeBoundingRect(NOESCAPE const Function<void(GraphicsContext&)>& strokeStyleApplier) const;

private:
    PathCG(RetainPtr<CGMutablePathRef>&&);

    PlatformPathPtr ensureMutablePlatformPath();

    FloatPoint currentPoint() const final;

    FloatRect fastBoundingRect() const final;
    FloatRect boundingRect() const final;

    RetainPtr<CGMutablePathRef> m_platformPath;
};

void addToCGContextPath(CGContextRef, const Path&);

} // namespace WebCore

SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::PathCG)
    static bool isType(const WebCore::PathImpl& pathImpl) { return !pathImpl.isPathStream(); }
SPECIALIZE_TYPE_TRAITS_END()

#endif // USE(CG)
