MRChangeScaleAction.h

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#pragma once
#include "MRHistoryAction.h"
#include "MRObject.h"
#include "MRVisualObject.h"
#include "MRHeapBytes.h"
#include <memory>
 
namespace MR
{
 
class ChangeScaleAction : public HistoryAction
{
public:
    ChangeScaleAction( const std::string& name, const std::shared_ptr<Object>& obj, float scale ) :
        obj_{ obj },
        name_{ name }
    {
        if ( obj )
        {
            obj->applyScale(scale);
            scale_ = 1.0f / scale;
        }
    }
 
    virtual std::string name() const override
    {
        return name_;
    }
 
    virtual void action( HistoryAction::Type ) override
    {
        if ( !obj_ )
            return;
 
        obj_->applyScale( scale_ );
        scale_ = 1.0f / scale_;
    }
 
    [[nodiscard]] virtual size_t heapBytes() const override
    {
        return name_.capacity();
    }
 
private:
    std::shared_ptr<Object> obj_;
    float scale_ = 1.0f;
    std::string name_;
};
 
}