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/*
* Copyright (C) 2014 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* 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
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* 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
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_NUMBER_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_NUMBER_H_
#include "third_party/blink/renderer/core/svg/properties/svg_listable_property.h"
#include "third_party/blink/renderer/core/svg/svg_parsing_error.h"
#include "third_party/blink/renderer/platform/wtf/casting.h"
namespace blink {
class SVGNumberTearOff;
class SVGNumber : public SVGListablePropertyBase {
public:
// SVGNumber has a tear-off type, but SVGAnimatedNumber uses primitive type.
typedef SVGNumberTearOff TearOffType;
typedef float PrimitiveType;
explicit SVGNumber(float = 0.0f);
virtual SVGNumber* Clone() const;
float Value() const { return value_; }
void SetValue(float value) { value_ = value; }
String ValueAsString() const override;
virtual 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 kAnimatedNumber; }
AnimatedPropertyType GetType() const override { return ClassType(); }
void SetInitial(unsigned value) { SetValue(value); }
static constexpr int kInitialValueBits = 2;
protected:
template <typename CharType>
SVGParsingError Parse(const CharType* ptr, const CharType* end);
float value_;
};
template <>
struct DowncastTraits<SVGNumber> {
static bool AllowFrom(const SVGPropertyBase& value) {
return value.GetType() == SVGNumber::ClassType();
}
};
// SVGNumber which also accepts percentage as its value.
// This is used for <stop> "offset"
// Spec: http://www.w3.org/TR/SVG11/pservers.html#GradientStops
// offset = "<number> | <percentage>"
class SVGNumberAcceptPercentage final : public SVGNumber {
public:
explicit SVGNumberAcceptPercentage(float = 0);
SVGNumber* Clone() const override;
SVGParsingError SetValueAsString(const String&) override;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_NUMBER_H_
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