third_party/blink/renderer/core/frame/page_scale_constraints.h

/*
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 * this software without specific prior written permission.
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#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_FRAME_PAGE_SCALE_CONSTRAINTS_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_FRAME_PAGE_SCALE_CONSTRAINTS_H_

#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/platform/geometry/float_size.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"

namespace blink {

struct CORE_EXPORT PageScaleConstraints {
  DISALLOW_NEW();
  FloatSize layout_size;

  float initial_scale;
  float minimum_scale;
  float maximum_scale;

  PageScaleConstraints();
  PageScaleConstraints(float initial, float minimum, float maximum);

  void OverrideWith(const PageScaleConstraints& other);
  float ClampToConstraints(float page_scale_factor) const;
  void ClampAll();
  void FitToContentsWidth(float contents_width,
                          int view_width_not_including_scrollbars);
  void ResolveAutoInitialScale();

  bool operator==(const PageScaleConstraints& other) const;
};

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_FRAME_PAGE_SCALE_CONSTRAINTS_H_