gecko-dev/layout/svg/nsSVGPaintServerFrame.h

73 строки
2.2 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 "mozilla/Attributes.h"
#include "nsCOMPtr.h"
#include "nsFrame.h"
#include "nsIFrame.h"
#include "nsQueryFrame.h"
#include "nsSVGContainerFrame.h"
#include "nsSVGUtils.h"
namespace mozilla {
namespace gfx {
class DrawTarget;
}
}
class gfxContext;
class gfxPattern;
class nsStyleContext;
struct gfxRect;
typedef nsSVGContainerFrame nsSVGPaintServerFrameBase;
class nsSVGPaintServerFrame : public nsSVGPaintServerFrameBase
{
protected:
typedef mozilla::gfx::DrawTarget DrawTarget;
explicit nsSVGPaintServerFrame(nsStyleContext* aContext)
: nsSVGPaintServerFrameBase(aContext)
{
AddStateBits(NS_FRAME_IS_NONDISPLAY);
}
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 DrawTarget* aDrawTarget,
const gfxMatrix& aContextMatrix,
nsStyleSVGPaint nsStyleSVG::*aFillOrStroke,
float aOpacity,
const gfxRect *aOverrideBounds = nullptr) = 0;
// nsIFrame methods:
virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists) override {}
virtual bool IsFrameOfType(uint32_t aFlags) const override
{
return nsSVGPaintServerFrameBase::IsFrameOfType(aFlags & ~nsIFrame::eSVGPaintServer);
}
};
#endif // __NS_SVGPAINTSERVERFRAME_H__