outdevholder.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#pragma once
 
#include <vcl/outdev.hxx>
 
#include "outdevprovider.hxx"
 
namespace vclcanvas
{
class OutDevHolder : public OutDevProvider
{
public:
    OutDevHolder(const OutDevHolder&) = delete;
    const OutDevHolder& operator=(const OutDevHolder&) = delete;
 
    explicit OutDevHolder(OutputDevice& rOutDev)
        : mrOutDev(rOutDev)
    {
    }
 
private:
    virtual OutputDevice& getOutDev() override { return mrOutDev; }
    virtual const OutputDevice& getOutDev() const override { return mrOutDev; }
 
    // TODO(Q2): Lifetime issue. This _only_ works reliably,
    // if disposing the Canvas correctly disposes all
    // entities which hold this pointer.
    OutputDevice& mrOutDev;
};
}
 
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