зеркало из https://github.com/mozilla/gecko-dev.git
60 строки
1.9 KiB
C++
60 строки
1.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 __NS_SVGVIEWPORTFRAME_H__
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#define __NS_SVGVIEWPORTFRAME_H__
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#include "mozilla/Attributes.h"
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#include "nsAutoPtr.h"
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#include "nsSVGContainerFrame.h"
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#include "nsISVGSVGFrame.h"
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class gfxContext;
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/**
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* Superclass for inner SVG frames and symbol frames.
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*/
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class nsSVGViewportFrame
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: public nsSVGDisplayContainerFrame
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, public nsISVGSVGFrame
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{
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protected:
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nsSVGViewportFrame(nsStyleContext* aContext, nsIFrame::ClassID aID)
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: nsSVGDisplayContainerFrame(aContext, aID)
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{
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}
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public:
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NS_DECL_ABSTRACT_FRAME(nsSVGViewportFrame)
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virtual nsresult AttributeChanged(int32_t aNameSpaceID,
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nsIAtom* aAttribute,
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int32_t aModType) override;
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// nsSVGDisplayableFrame interface:
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virtual void PaintSVG(gfxContext& aContext,
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const gfxMatrix& aTransform,
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imgDrawingParams& aImgParams,
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const nsIntRect* aDirtyRect = nullptr) override;
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virtual void ReflowSVG() override;
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virtual void NotifySVGChanged(uint32_t aFlags) override;
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SVGBBox GetBBoxContribution(const Matrix &aToBBoxUserspace,
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uint32_t aFlags) override;
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virtual nsIFrame* GetFrameForPoint(const gfxPoint& aPoint) override;
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// nsSVGContainerFrame methods:
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virtual gfxMatrix GetCanvasTM() override;
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virtual bool HasChildrenOnlyTransform(Matrix *aTransform) const override;
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// nsISVGSVGFrame interface:
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virtual void NotifyViewportOrTransformChanged(uint32_t aFlags) override;
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protected:
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nsAutoPtr<gfxMatrix> mCanvasTM;
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};
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#endif // __NS_SVGVIEWPORTFRAME_H__
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