include/rive/drawable.hpp

#ifndef _RIVE_DRAWABLE_HPP_
#define _RIVE_DRAWABLE_HPP_
#include "rive/generated/drawable_base.hpp"
#include "rive/hit_info.hpp"
#include "rive/renderer.hpp"
#include "rive/clip_result.hpp"
#include "rive/drawable_flag.hpp"
#include <vector>

namespace rive
{
class ClippingShape;
class Artboard;
class DrawRules;
class LayoutComponent;

class Drawable : public DrawableBase
{
    friend class Artboard;
    friend class StateMachineInstance;

private:
    std::vector<ClippingShape*> m_ClippingShapes;

    /// Used exclusively by the artboard;
    DrawRules* flattenedDrawRules = nullptr;
    Drawable* prev = nullptr;
    Drawable* next = nullptr;

protected:
    bool m_needsSaveOperation = true;

public:
    BlendMode blendMode() const { return (BlendMode)blendModeValue(); }
    virtual void draw(Renderer* renderer) = 0;
    virtual Core* hitTest(HitInfo*, const Mat2D&) = 0;
    bool hitTestPoint(const Vec2D& position,
                      bool skipOnUnclipped,
                      bool isPrimaryHit) override;
    void addClippingShape(ClippingShape* shape);
    inline const std::vector<ClippingShape*>& clippingShapes() const
    {
        return m_ClippingShapes;
    }

    virtual bool isHidden() const
    {
        return (static_cast<DrawableFlag>(drawableFlags()) &
                DrawableFlag::Hidden) == DrawableFlag::Hidden ||
               hasDirt(ComponentDirt::Collapsed);
    }

    virtual bool isTargetOpaque()
    {
        return (static_cast<DrawableFlag>(drawableFlags()) &
                DrawableFlag::Opaque) == DrawableFlag::Opaque;
    }

    virtual bool isProxy() { return false; }
    virtual bool isClipStart() { return false; }
    virtual bool isClipEnd() { return false; }
    virtual bool willClip() { return false; }
    virtual bool willDraw();
    void needsSaveOperation(bool value) { m_needsSaveOperation = value; }

    bool isChildOfLayout(LayoutComponent* layout);

    StatusCode onAddedDirty(CoreContext* context) override;

    virtual Drawable* hittableComponent() { return this; }

    virtual int emptyClipCount() { return 0; }
};

class ProxyDrawing
{
public:
    virtual void drawProxy(Renderer* renderer) = 0;
    virtual bool isProxyHidden() = 0;
};

class DrawableProxy : public Drawable
{
private:
    ProxyDrawing* m_proxyDrawing;

public:
    DrawableProxy(ProxyDrawing* proxy) : m_proxyDrawing(proxy) {}

    void draw(Renderer* renderer) override
    {
        m_proxyDrawing->drawProxy(renderer);
    }

    bool isHidden() const override { return m_proxyDrawing->isProxyHidden(); }

    Drawable* hittableComponent() override;

    bool isTargetOpaque() override;

    Core* hitTest(HitInfo*, const Mat2D&) override { return nullptr; }

    bool isProxy() override { return true; }

    ProxyDrawing* proxyDrawing() const { return m_proxyDrawing; }
};
} // namespace rive

#endif