| // 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 CSSScale_h |
| #define CSSScale_h |
| |
| #include "core/css/cssom/CSSTransformComponent.h" |
| #include "core/geometry/DOMMatrix.h" |
| |
| namespace blink { |
| |
| class DOMMatrix; |
| |
| // Represents a scale value in a CSSTransformValue used for properties like |
| // "transform". |
| // See CSSScale.idl for more information about this class. |
| class CORE_EXPORT CSSScale final : public CSSTransformComponent { |
| WTF_MAKE_NONCOPYABLE(CSSScale); |
| DEFINE_WRAPPERTYPEINFO(); |
| |
| public: |
| // Constructors defined in the IDL. |
| static CSSScale* Create(double x, double y) { return new CSSScale(x, y); } |
| static CSSScale* Create(double x, double y, double z) { |
| return new CSSScale(x, y, z); |
| } |
| |
| // Blink-internal ways of creating CSSScales. |
| static CSSScale* FromCSSValue(const CSSFunctionValue&); |
| |
| // Getters and setters for attributes defined in the IDL. |
| double x() const { return x_; } |
| double y() const { return y_; } |
| double z() const { return z_; } |
| void setX(double x) { x_ = x; } |
| void setY(double y) { y_ = y; } |
| void setZ(double z) { z_ = z; } |
| |
| // Internal methods - from CSSTransformComponent. |
| TransformComponentType GetType() const final { return kScaleType; } |
| const DOMMatrix* AsMatrix(ExceptionState&) const final { |
| DOMMatrix* result = DOMMatrix::Create(); |
| return result->scaleSelf(x_, y_, z_); |
| } |
| const CSSFunctionValue* ToCSSValue() const final; |
| |
| private: |
| CSSScale(double x, double y) |
| : CSSTransformComponent(true /* is2D */), x_(x), y_(y), z_(1) {} |
| CSSScale(double x, double y, double z) |
| : CSSTransformComponent(false /* is2D */), x_(x), y_(y), z_(z) {} |
| |
| double x_; |
| double y_; |
| double z_; |
| }; |
| |
| } // namespace blink |
| |
| #endif |