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