| /* |
| * 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; |
| SVGPropertyBase* CloneForAnimation(const String&) const override; |
| |
| 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_ |