зеркало из https://github.com/mozilla/gecko-dev.git
73 строки
2.3 KiB
C++
73 строки
2.3 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_SVGPAINTSERVERFRAME_H__
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#define __NS_SVGPAINTSERVERFRAME_H__
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#include "mozilla/Attributes.h"
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#include "nsCOMPtr.h"
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#include "nsFrame.h"
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#include "nsIFrame.h"
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#include "nsQueryFrame.h"
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#include "nsSVGContainerFrame.h"
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#include "nsSVGUtils.h"
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class gfxContext;
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class gfxPattern;
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class nsStyleContext;
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struct gfxRect;
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typedef nsSVGContainerFrame nsSVGPaintServerFrameBase;
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class nsSVGPaintServerFrame : public nsSVGPaintServerFrameBase
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{
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protected:
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nsSVGPaintServerFrame(nsStyleContext* aContext)
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: nsSVGPaintServerFrameBase(aContext)
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{
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AddStateBits(NS_FRAME_IS_NONDISPLAY);
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}
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public:
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NS_DECL_FRAMEARENA_HELPERS
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/**
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* Constructs a gfxPattern of the paint server rendering.
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*
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* @param aContextMatrix The transform matrix that is currently applied to
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* the gfxContext that is being drawn to. This is needed by SVG patterns so
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* that surfaces of the correct size can be created. (SVG gradients are
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* vector based, so it's not used there.)
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*/
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virtual already_AddRefed<gfxPattern>
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GetPaintServerPattern(nsIFrame *aSource,
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const gfxMatrix& aContextMatrix,
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nsStyleSVGPaint nsStyleSVG::*aFillOrStroke,
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float aOpacity,
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const gfxRect *aOverrideBounds = nullptr) = 0;
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/**
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* Configure paint server prior to rendering
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* @return false to skip rendering
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*/
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virtual bool SetupPaintServer(gfxContext *aContext,
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nsIFrame *aSource,
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nsStyleSVGPaint nsStyleSVG::*aFillOrStroke,
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float aOpacity);
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// nsIFrame methods:
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virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists) MOZ_OVERRIDE {}
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virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
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{
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return nsSVGPaintServerFrameBase::IsFrameOfType(aFlags & ~nsIFrame::eSVGPaintServer);
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}
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};
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#endif // __NS_SVGPAINTSERVERFRAME_H__
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