Transition.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/Stage.h>
#include <kiwano/render/Layer.h>
 
namespace kiwano
{
class Director;
class RenderContext;
 
class KGE_API Transition : public ObjectBase
{
    friend class Director;
 
public:
    Transition();
 
    virtual ~Transition();
 
    void SetDuration(Duration dt);
 
    bool IsDone();
 
protected:
    virtual void Init(Stage* prev, Stage* next);
 
    virtual void Update(Duration dt);
 
    virtual void Render(RenderContext& ctx);
 
    virtual void Stop();
 
    virtual void Reset() {}
 
protected:
    bool          done_;
    float         process_;
    Duration      duration_;
    Duration      delta_;
    Size          window_size_;
    RefPtr<Stage> out_stage_;
    RefPtr<Stage> in_stage_;
    Layer         out_layer_;
    Layer         in_layer_;
};
 
inline void Transition::SetDuration(Duration dt)
{
    duration_ = dt;
}
 
}  // namespace kiwano