Magic_Game/src/kiwano/2d/ShapeActor.h

// Copyright (c) 2016-2018 Kiwano - Nomango
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

#pragma once
#include <kiwano/2d/Actor.h>
#include <kiwano/render/Brush.h>
#include <kiwano/render/Geometry.h>
#include <kiwano/render/GeometrySink.h>
#include <kiwano/render/StrokeStyle.h>

namespace kiwano
{
KGE_DECLARE_SMART_PTR(ShapeActor);
KGE_DECLARE_SMART_PTR(LineActor);
KGE_DECLARE_SMART_PTR(RectActor);
KGE_DECLARE_SMART_PTR(RoundRectActor);
KGE_DECLARE_SMART_PTR(CircleActor);
KGE_DECLARE_SMART_PTR(EllipseActor);
KGE_DECLARE_SMART_PTR(PolygonActor);

/**
 * \addtogroup Actors
 * @{
 */

/**
 * \~chinese
 * @brief <EFBFBD><EFBFBD>ά<EFBFBD><EFBFBD>״<EFBFBD><EFBFBD>ɫ
 */
class KGE_API ShapeActor : public Actor
{
public:
    /// \~chinese
    /// @brief <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ά<EFBFBD><CEAC>״<EFBFBD><D7B4>ɫ
    ShapeActor();

    virtual ~ShapeActor();

    /// \~chinese
    /// @brief <20><>ȡ<EFBFBD><C8A1><EFBFBD>仭ˢ
    BrushPtr GetFillBrush() const;

    /// \~chinese
    /// @brief <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ˢ
    BrushPtr GetStrokeBrush() const;

    /// \~chinese
    /// @brief <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    float GetStrokeWidth() const;

    /// \~chinese
    /// @brief <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ
    const StrokeStyle& GetStrokeStyle() const;

    /// \~chinese
    /// @brief <20><>ȡ<EFBFBD><C8A1>״
    Geometry GetGeometry() const;

    /// \~chinese
    /// @brief <20><>ȡ<EFBFBD>߽<EFBFBD>
    Rect GetBounds() const override;

    /// \~chinese
    /// @brief <20><>ȡ<EFBFBD><C8A1><EFBFBD>а<EFBFBD>Χ<EFBFBD><CEA7>
    Rect GetBoundingBox() const override;

    /// \~chinese
    /// @brief <20>жϵ<D0B6><CFB5>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>״<EFBFBD><D7B4>
    bool ContainsPoint(const Point& point) const override;

    /// \~chinese
    /// @brief <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ
    /// @param color <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ
    void SetFillColor(Color const& color);

    /// \~chinese
    /// @brief <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>仭ˢ
    /// @param[in] brush <20><><EFBFBD>仭ˢ
    void SetFillBrush(BrushPtr brush);

    /// \~chinese
    /// @brief <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ
    /// @param color <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ
    void SetStrokeColor(Color const& color);

    /// \~chinese
    /// @brief <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ˢ
    /// @param[in] brush <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ˢ
    void SetStrokeBrush(BrushPtr brush);

    /// \~chinese
    /// @brief <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȣ<EFBFBD>Ĭ<EFBFBD><C4AC>Ϊ 1.0
    void SetStrokeWidth(float width);

    /// \~chinese
    /// @brief <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ
    void SetStrokeStyle(const StrokeStyle& stroke_style);

    /// \~chinese
    /// @brief <20><><EFBFBD>ü<EFBFBD><C3BC><EFBFBD><EFBFBD><EFBFBD>״
    void SetGeometry(Geometry const& geometry);

    void OnRender(RenderContext& ctx) override;

protected:
    bool CheckVisibility(RenderContext& ctx) const override;

private:
    BrushPtr    fill_brush_;
    BrushPtr    stroke_brush_;
    float       stroke_width_;
    StrokeStyle stroke_style_;
    Rect        bounds_;
    Geometry    geo_;
};

/// \~chinese
/// @brief <20>߶<EFBFBD>ͼ<EFBFBD>ν<EFBFBD>ɫ
class KGE_API LineActor : public ShapeActor
{
public:
    LineActor();

    virtual ~LineActor();

    /// \~chinese
    /// @brief <20><>ȡ<EFBFBD>߶<EFBFBD><DFB6><EFBFBD><EFBFBD><EFBFBD>
    Point const& GetBeginPoint() const;

    /// \~chinese
    /// @brief <20><>ȡ<EFBFBD>߶<EFBFBD><DFB6>յ<EFBFBD>
    Point const& GetEndPoint() const;

    /// \~chinese
    /// @brief <20><><EFBFBD><EFBFBD><EFBFBD>߶<EFBFBD><DFB6><EFBFBD><EFBFBD><EFBFBD>
    /// @param begin <20>߶<EFBFBD><DFB6><EFBFBD><EFBFBD><EFBFBD>
    void SetBeginPoint(Point const& begin);

    /// \~chinese
    /// @brief <20><><EFBFBD><EFBFBD><EFBFBD>߶<EFBFBD><DFB6>յ<EFBFBD>
    /// @param end <20>߶<EFBFBD><DFB6>յ<EFBFBD>
    void SetEndPoint(Point const& end);

    /// \~chinese
    /// @brief <20><><EFBFBD>þ<EFBFBD><C3BE>δ<EFBFBD>С
    /// @param begin <20>߶<EFBFBD><DFB6><EFBFBD><EFBFBD><EFBFBD>
    /// @param end <20>߶<EFBFBD><DFB6>յ<EFBFBD>
    void SetLine(Point const& begin, Point const& end);

private:
    Point begin_;
    Point end_;
};

/// \~chinese
/// @brief <20><><EFBFBD>ν<EFBFBD>ɫ
class KGE_API RectActor : public ShapeActor
{
public:
    RectActor();

    virtual ~RectActor();

    /// \~chinese
    /// @brief <20><>ȡ<EFBFBD><C8A1><EFBFBD>δ<EFBFBD>С
    Size const& GetRectSize() const;

    /// \~chinese
    /// @brief <20><><EFBFBD>þ<EFBFBD><C3BE>δ<EFBFBD>С
    /// @param size <20><><EFBFBD>δ<EFBFBD>С
    void SetRectSize(Size const& size);

private:
    Size rect_size_;
};

/// \~chinese
/// @brief Բ<>Ǿ<EFBFBD><C7BE>ν<EFBFBD>ɫ
class KGE_API RoundRectActor : public ShapeActor
{
public:
    RoundRectActor();

    virtual ~RoundRectActor();

    /// \~chinese
    /// @brief <20><>ȡԲ<C8A1>ǰ뾶
    Vec2 GetRadius() const;

    /// \~chinese
    /// @brief <20><>ȡԲ<C8A1>Ǿ<EFBFBD><C7BE>δ<EFBFBD>С
    Size GetRectSize() const;

    /// \~chinese
    /// @brief <20><><EFBFBD><EFBFBD>Բ<EFBFBD>ǰ뾶
    /// @param radius Բ<>ǰ뾶
    void SetRadius(Vec2 const& radius);

    /// \~chinese
    /// @brief <20><><EFBFBD><EFBFBD>Բ<EFBFBD>Ǿ<EFBFBD><C7BE>δ<EFBFBD>С
    /// @param size Բ<>Ǿ<EFBFBD><C7BE>δ<EFBFBD>С
    void SetRectSize(Size const& size);

    /// \~chinese
    /// @brief <20><><EFBFBD><EFBFBD>Բ<EFBFBD>Ǿ<EFBFBD><C7BE><EFBFBD>
    /// @param size Բ<>Ǿ<EFBFBD><C7BE>δ<EFBFBD>С
    /// @param radius Բ<>ǰ뾶
    void SetRoundedRect(Size const& size, Vec2 const& radius);

private:
    Size rect_size_;
    Vec2 radius_;
};

/// \~chinese
/// @brief Բ<>ν<EFBFBD>ɫ
class KGE_API CircleActor : public ShapeActor
{
public:
    CircleActor();

    virtual ~CircleActor();

    /// \~chinese
    /// @brief <20><>ȡԲ<C8A1>ΰ뾶
    float GetRadius() const;

    /// \~chinese
    /// @brief <20><><EFBFBD><EFBFBD>Բ<EFBFBD>ΰ뾶
    /// @param radius Բ<>ΰ뾶
    void SetRadius(float radius);

private:
    float radius_;
};

/// \~chinese
/// @brief <20><>Բ<EFBFBD><D4B2>ɫ
class KGE_API EllipseActor : public ShapeActor
{
public:
    EllipseActor();

    virtual ~EllipseActor();

    /// \~chinese
    /// @brief <20><>ȡ<EFBFBD><C8A1>Բ<EFBFBD>뾶
    Vec2 GetRadius() const;

    /// \~chinese
    /// @brief <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Բ<EFBFBD>뾶
    /// @param radius <20><>Բ<EFBFBD>뾶
    void SetRadius(Vec2 const& radius);

private:
    Vec2 radius_;
};

/// \~chinese
/// @brief <20><><EFBFBD><EFBFBD><EFBFBD>ν<EFBFBD>ɫ
class KGE_API PolygonActor : public ShapeActor
{
public:
    PolygonActor();

    virtual ~PolygonActor();

    /// \~chinese
    /// @brief <20><><EFBFBD>ö<EFBFBD><C3B6><EFBFBD><EFBFBD>ζ˵<CEB6>
    /// @param points <20><><EFBFBD><EFBFBD><EFBFBD>ζ˵㼯<CBB5><E3BCAF>
    void SetVertices(Vector<Point> const& points);
};


/** @} */

inline void ShapeActor::SetStrokeColor(Color const& color)
{
    if (!stroke_brush_)
    {
        stroke_brush_ = new Brush;
    }
    stroke_brush_->SetColor(color);
}

inline void ShapeActor::SetFillColor(Color const& color)
{
    if (!fill_brush_)
    {
        fill_brush_ = new Brush;
    }
    fill_brush_->SetColor(color);
}

inline void ShapeActor::SetFillBrush(BrushPtr brush)
{
    fill_brush_ = brush;
}
inline void ShapeActor::SetStrokeBrush(BrushPtr brush)
{
    stroke_brush_ = brush;
}
inline BrushPtr ShapeActor::GetFillBrush() const
{
    return fill_brush_;
}
inline BrushPtr ShapeActor::GetStrokeBrush() const
{
    return stroke_brush_;
}
inline float ShapeActor::GetStrokeWidth() const
{
    return stroke_width_;
}
inline const StrokeStyle& ShapeActor::GetStrokeStyle() const
{
    return stroke_style_;
}
inline Geometry ShapeActor::GetGeometry() const
{
    return geo_;
}

inline Point const& LineActor::GetBeginPoint() const
{
    return begin_;
}
inline Point const& LineActor::GetEndPoint() const
{
    return end_;
}
inline void LineActor::SetBeginPoint(Point const& begin)
{
    SetLine(begin, end_);
}
inline void LineActor::SetEndPoint(Point const& end)
{
    SetLine(begin_, end);
}

inline Size const& RectActor::GetRectSize() const
{
    return rect_size_;
}

inline Vec2 RoundRectActor::GetRadius() const
{
    return radius_;
}
inline Size RoundRectActor::GetRectSize() const
{
    return GetSize();
}

inline float CircleActor::GetRadius() const
{
    return radius_;
}

inline Vec2 EllipseActor::GetRadius() const
{
    return radius_;
}
}  // namespace kiwano