зеркало из https://github.com/mozilla/gecko-dev.git
95 строки
3.3 KiB
C++
95 строки
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef SVGTransformableElement_h
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#define SVGTransformableElement_h
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#include "mozilla/Attributes.h"
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#include "nsAutoPtr.h"
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#include "nsSVGAnimatedTransformList.h"
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#include "nsSVGElement.h"
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#include "gfxMatrix.h"
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#include "mozilla/gfx/Matrix.h"
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namespace mozilla {
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namespace dom {
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class SVGAnimatedTransformList;
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class SVGGraphicsElement;
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class SVGMatrix;
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class SVGIRect;
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struct SVGBoundingBoxOptions;
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class SVGTransformableElement : public nsSVGElement
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{
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public:
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explicit SVGTransformableElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
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: nsSVGElement(aNodeInfo) {}
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virtual ~SVGTransformableElement() {}
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virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult,
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bool aPreallocateChildren) const override = 0;
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// WebIDL
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already_AddRefed<SVGAnimatedTransformList> Transform();
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nsSVGElement* GetNearestViewportElement();
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nsSVGElement* GetFarthestViewportElement();
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MOZ_CAN_RUN_SCRIPT
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already_AddRefed<SVGIRect> GetBBox(const SVGBoundingBoxOptions& aOptions,
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ErrorResult& rv);
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already_AddRefed<SVGMatrix> GetCTM();
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already_AddRefed<SVGMatrix> GetScreenCTM();
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already_AddRefed<SVGMatrix> GetTransformToElement(SVGGraphicsElement& aElement,
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ErrorResult& rv);
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// nsIContent interface
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NS_IMETHOD_(bool) IsAttributeMapped(const nsAtom* aAttribute) const override;
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nsChangeHint GetAttributeChangeHint(const nsAtom* aAttribute,
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int32_t aModType) const override;
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// nsSVGElement overrides
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virtual bool IsEventAttributeNameInternal(nsAtom* aName) override;
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virtual gfxMatrix PrependLocalTransformsTo(
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const gfxMatrix &aMatrix,
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SVGTransformTypes aWhich = eAllTransforms) const override;
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virtual const gfx::Matrix* GetAnimateMotionTransform() const override;
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virtual void SetAnimateMotionTransform(const gfx::Matrix* aMatrix) override;
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virtual nsSVGAnimatedTransformList*
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GetAnimatedTransformList(uint32_t aFlags = 0) override;
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virtual nsAtom* GetTransformListAttrName() const override {
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return nsGkAtoms::transform;
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}
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virtual bool IsTransformable() override { return true; }
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protected:
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/**
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* Helper for overrides of PrependLocalTransformsTo. If both arguments are
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* provided they are multiplied in the order in which the arguments appear,
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* and the result is returned. If neither argument is provided, the identity
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* matrix is returned. If only one argument is provided its transform is
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* returned.
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*/
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static gfxMatrix GetUserToParentTransform(
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const gfx::Matrix* aAnimateMotionTransform,
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const nsSVGAnimatedTransformList* aTransforms);
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nsAutoPtr<nsSVGAnimatedTransformList> mTransforms;
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// XXX maybe move this to property table, to save space on un-animated elems?
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nsAutoPtr<gfx::Matrix> mAnimateMotionTransform;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // SVGTransformableElement_h
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