gecko/layout/svg/nsSVGPaintServerFrame.h
Robert O'Callahan d9665619b9 Bug 840902. Part 2: Remove nsresults from various display list methods. r=mattwoodrow
--HG--
extra : rebase_source : de498510bf8d85d9b0b2fab0137ef3be01c9adfa
2013-02-15 00:12:27 +13:00

73 lines
2.3 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef __NS_SVGPAINTSERVERFRAME_H__
#define __NS_SVGPAINTSERVERFRAME_H__
#include "nsCOMPtr.h"
#include "nsFrame.h"
#include "nsIFrame.h"
#include "nsQueryFrame.h"
#include "nsSVGContainerFrame.h"
#include "nsSVGUtils.h"
class gfxContext;
class gfxPattern;
class nsStyleContext;
class nsSVGGeometryFrame;
struct gfxRect;
typedef nsSVGContainerFrame nsSVGPaintServerFrameBase;
class nsSVGPaintServerFrame : public nsSVGPaintServerFrameBase
{
protected:
nsSVGPaintServerFrame(nsStyleContext* aContext)
: nsSVGPaintServerFrameBase(aContext)
{
AddStateBits(NS_STATE_SVG_NONDISPLAY_CHILD);
}
public:
NS_DECL_FRAMEARENA_HELPERS
/**
* Constructs a gfxPattern of the paint server rendering.
*
* @param aContextMatrix The transform matrix that is currently applied to
* the gfxContext that is being drawn to. This is needed by SVG patterns so
* that surfaces of the correct size can be created. (SVG gradients are
* vector based, so it's not used there.)
*/
virtual already_AddRefed<gfxPattern>
GetPaintServerPattern(nsIFrame *aSource,
const gfxMatrix& aContextMatrix,
nsStyleSVGPaint nsStyleSVG::*aFillOrStroke,
float aOpacity,
const gfxRect *aOverrideBounds = nullptr) = 0;
/**
* Configure paint server prior to rendering
* @return false to skip rendering
*/
virtual bool SetupPaintServer(gfxContext *aContext,
nsIFrame *aSource,
nsStyleSVGPaint nsStyleSVG::*aFillOrStroke,
float aOpacity);
// nsIFrame methods:
virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists) MOZ_OVERRIDE {}
virtual bool IsFrameOfType(uint32_t aFlags) const
{
return nsSVGPaintServerFrameBase::IsFrameOfType(aFlags & ~nsIFrame::eSVGPaintServer);
}
};
#endif // __NS_SVGPAINTSERVERFRAME_H__