| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CSSSkew_h |
| #define CSSSkew_h |
| |
| #include "core/css/cssom/CSSNumericValue.h" |
| #include "core/css/cssom/CSSTransformComponent.h" |
| |
| namespace blink { |
| |
| class DOMMatrix; |
| class ExceptionState; |
| |
| // Represents a skew value in a CSSTransformValue used for properties like |
| // "transform". |
| // See CSSSkew.idl for more information about this class. |
| class CORE_EXPORT CSSSkew final : public CSSTransformComponent { |
| WTF_MAKE_NONCOPYABLE(CSSSkew); |
| DEFINE_WRAPPERTYPEINFO(); |
| |
| public: |
| // Constructor defined in the IDL. |
| static CSSSkew* Create(CSSNumericValue* ax, CSSNumericValue* ay) { |
| return new CSSSkew(ax, ay); |
| } |
| |
| // Internal ways of creating CSSSkews. |
| static CSSSkew* FromCSSValue(const CSSFunctionValue&); |
| |
| // Getters and setters for the ax and ay attributes defined in the IDL. |
| CSSNumericValue* ax() { return ax_.Get(); } |
| CSSNumericValue* ay() { return ay_.Get(); } |
| void setAx(CSSNumericValue*, ExceptionState&); |
| void setAy(CSSNumericValue*, ExceptionState&); |
| |
| // From CSSTransformComponent |
| // Setting is2D for CSSSkew does nothing. |
| // https://drafts.css-houdini.org/css-typed-om/#dom-cssskew-is2d |
| void setIs2D(bool is2D) final {} |
| |
| // Internal methods - from CSSTransformComponent. |
| const DOMMatrix* AsMatrix() const override; |
| TransformComponentType GetType() const override { return kSkewType; } |
| CSSFunctionValue* ToCSSValue() const override; |
| |
| DEFINE_INLINE_VIRTUAL_TRACE() { |
| visitor->Trace(ax_); |
| visitor->Trace(ay_); |
| CSSTransformComponent::Trace(visitor); |
| } |
| |
| private: |
| CSSSkew(CSSNumericValue* ax, CSSNumericValue* ay) |
| : CSSTransformComponent(true /* is2D */), ax_(ax), ay_(ay) {} |
| |
| Member<CSSNumericValue> ax_; |
| Member<CSSNumericValue> ay_; |
| }; |
| |
| } // namespace blink |
| |
| #endif |