viewbox.h

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// SPDX-License-Identifier: GPL-2.0-or-later
#ifndef SEEN_INKSCAPE_VIEWBOX_H
#define SEEN_INKSCAPE_VIEWBOX_H
 
/*
 * viewBox helper class, common code used by root, symbol, marker, pattern, image, view
 *
 * Authors:
 *   Lauris Kaplinski <lauris@kaplinski.com> (code extracted from sp-symbol.h)
 *   Tavmjong Bah
 *   Johan Engelen
 *
 * Copyright (C) 2013-2014 Tavmjong Bah, authors
 *
 * Released under GNU GPL v2+, read the file 'COPYING' for more information.
 *
 */
 
#include <2geom/rect.h>
#include <glib.h>
 
namespace Inkscape::XML {
class Node;
} // namespace Inkscape::XML
 
class SPItemCtx;
 
class SPViewBox {
 
public:
  SPViewBox();
 
  /* viewBox; */
  bool viewBox_set;
  Geom::Rect viewBox;  // Could use optrect
 
  /* preserveAspectRatio */
  bool aspect_set;
  unsigned int aspect_align;  // enum
  unsigned int aspect_clip;   // enum
 
  /* Child to parent additional transform */
  Geom::Affine c2p;
 
  void set_viewBox(const gchar* value);
  void set_preserveAspectRatio(const gchar* value);
  void write_viewBox(Inkscape::XML::Node *repr) const;
  void write_preserveAspectRatio(Inkscape::XML::Node *repr) const;
 
  /* Adjusts c2p for viewbox */
  void apply_viewbox(const Geom::Rect& in, double scale_none = 1.0);
 
  SPItemCtx get_rctx( const SPItemCtx* ictx, double scale_none = 1.0);
 
  Geom::OptRect get_paintbox(double width, double height, Geom::OptRect const &size) const;
};
 
#endif
 
/*
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*/
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