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

/*
 * 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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 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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#include "third_party/blink/renderer/core/svg/svg_integer.h"

#include "third_party/blink/renderer/core/html/parser/html_parser_idioms.h"
#include "third_party/blink/renderer/core/svg/svg_animation_element.h"

namespace blink {

SVGInteger::SVGInteger(int value) : value_(value) {}

SVGInteger* SVGInteger::Clone() const {
  return Create(value_);
}

String SVGInteger::ValueAsString() const {
  return String::Number(value_);
}

SVGParsingError SVGInteger::SetValueAsString(const String& string) {
  value_ = 0;

  if (string.IsEmpty())
    return SVGParseStatus::kNoError;

  bool valid = true;
  value_ = StripLeadingAndTrailingHTMLSpaces(string).ToIntStrict(&valid);
  // toIntStrict returns 0 if valid == false.
  return valid ? SVGParseStatus::kNoError : SVGParseStatus::kExpectedInteger;
}

void SVGInteger::Add(SVGPropertyBase* other, SVGElement*) {
  SetValue(value_ + ToSVGInteger(other)->Value());
}

void SVGInteger::CalculateAnimatedValue(SVGAnimationElement* animation_element,
                                        float percentage,
                                        unsigned repeat_count,
                                        SVGPropertyBase* from,
                                        SVGPropertyBase* to,
                                        SVGPropertyBase* to_at_end_of_duration,
                                        SVGElement*) {
  DCHECK(animation_element);

  SVGInteger* from_integer = ToSVGInteger(from);
  SVGInteger* to_integer = ToSVGInteger(to);
  SVGInteger* to_at_end_of_duration_integer =
      ToSVGInteger(to_at_end_of_duration);

  float animated_float = value_;
  animation_element->AnimateAdditiveNumber(
      percentage, repeat_count, from_integer->Value(), to_integer->Value(),
      to_at_end_of_duration_integer->Value(), animated_float);
  value_ = clampTo<int>(roundf(animated_float));
}

float SVGInteger::CalculateDistance(SVGPropertyBase* other, SVGElement*) {
  return abs(value_ - ToSVGInteger(other)->Value());
}

}  // namespace blink