gui/image_view.hpp


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#pragma once

#include "gui/element.hpp"

#include "graphics/image.hpp"

#include "std/unique_ptr.hpp"


namespace graphics
{
  class OverlayRenderer;
  class DisplayList;
}

namespace gui
{
  class ImageView : public Element
  {
    graphics::Image::Info m_image;
    m2::RectU m_margin;
    unique_ptr<graphics::DisplayList> m_displayList;

  public:
    typedef Element BaseT;

    struct Params : public BaseT::Params
    {
      graphics::Image::Info m_image;
      Params();
    };

    ImageView(Params const & p);

    void setImage(graphics::Image::Info const & info);

    /// @name Override from graphics::OverlayElement and gui::Element.
    //@{
    virtual m2::RectD GetBoundRect() const;

    void draw(graphics::OverlayRenderer * r, math::Matrix<double, 3, 3> const & m) const;

    void cache();
    void purge();
    //@}
  };
}