third_party/blink/renderer/core/svg/svg_integer.h

/*
 * Copyright (C) 2014 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
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 *
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 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
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 * this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_INTEGER_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_INTEGER_H_

#include "third_party/blink/renderer/core/svg/properties/svg_property_helper.h"
#include "third_party/blink/renderer/core/svg/svg_parsing_error.h"
#include "third_party/blink/renderer/platform/wtf/casting.h"

namespace blink {

class SVGInteger final : public SVGPropertyHelper<SVGInteger> {
 public:
  typedef void TearOffType;
  typedef int PrimitiveType;

  explicit SVGInteger(int = 0);

  virtual SVGInteger* Clone() const;

  int Value() const { return value_; }
  void SetValue(int value) { value_ = value; }

  String ValueAsString() const override;
  SVGParsingError SetValueAsString(const String&);

  void Add(const SVGPropertyBase*, const SVGElement*) override;
  void CalculateAnimatedValue(
      const SMILAnimationEffectParameters&,
      float percentage,
      unsigned repeat_count,
      const SVGPropertyBase* from,
      const SVGPropertyBase* to,
      const SVGPropertyBase* to_at_end_of_duration_value,
      const SVGElement* context_element) override;
  float CalculateDistance(const SVGPropertyBase* to,
                          const SVGElement* context_element) const override;

  static AnimatedPropertyType ClassType() { return kAnimatedInteger; }

  void SetInitial(unsigned value) { SetValue(static_cast<int>(value)); }
  static constexpr int kInitialValueBits = 2;

 protected:
  int value_;
};

template <>
struct DowncastTraits<SVGInteger> {
  static bool AllowFrom(const SVGPropertyBase& value) {
    return value.GetType() == SVGInteger::ClassType();
  }
};

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_INTEGER_H_