1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/svg/nsSVGPathGeometryFrame.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,141 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef __NS_SVGPATHGEOMETRYFRAME_H__
1.10 +#define __NS_SVGPATHGEOMETRYFRAME_H__
1.11 +
1.12 +#include "mozilla/Attributes.h"
1.13 +#include "gfxMatrix.h"
1.14 +#include "gfxRect.h"
1.15 +#include "nsFrame.h"
1.16 +#include "nsISVGChildFrame.h"
1.17 +#include "nsLiteralString.h"
1.18 +#include "nsQueryFrame.h"
1.19 +#include "nsSVGUtils.h"
1.20 +
1.21 +class gfxContext;
1.22 +class nsDisplaySVGPathGeometry;
1.23 +class nsIAtom;
1.24 +class nsIFrame;
1.25 +class nsIPresShell;
1.26 +class nsRenderingContext;
1.27 +class nsStyleContext;
1.28 +class nsSVGMarkerFrame;
1.29 +class nsSVGMarkerProperty;
1.30 +
1.31 +struct nsPoint;
1.32 +struct nsRect;
1.33 +struct nsIntRect;
1.34 +
1.35 +typedef nsFrame nsSVGPathGeometryFrameBase;
1.36 +
1.37 +class nsSVGPathGeometryFrame : public nsSVGPathGeometryFrameBase,
1.38 + public nsISVGChildFrame
1.39 +{
1.40 + friend nsIFrame*
1.41 + NS_NewSVGPathGeometryFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
1.42 +
1.43 + friend class nsDisplaySVGPathGeometry;
1.44 +
1.45 +protected:
1.46 + nsSVGPathGeometryFrame(nsStyleContext* aContext)
1.47 + : nsSVGPathGeometryFrameBase(aContext)
1.48 + {
1.49 + AddStateBits(NS_FRAME_SVG_LAYOUT | NS_FRAME_MAY_BE_TRANSFORMED);
1.50 + }
1.51 +
1.52 +public:
1.53 + NS_DECL_QUERYFRAME_TARGET(nsSVGPathGeometryFrame)
1.54 + NS_DECL_QUERYFRAME
1.55 + NS_DECL_FRAMEARENA_HELPERS
1.56 +
1.57 + // nsIFrame interface:
1.58 + virtual void Init(nsIContent* aContent,
1.59 + nsIFrame* aParent,
1.60 + nsIFrame* aPrevInFlow) MOZ_OVERRIDE;
1.61 +
1.62 + virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
1.63 + {
1.64 + return nsSVGPathGeometryFrameBase::IsFrameOfType(aFlags & ~(nsIFrame::eSVG | nsIFrame::eSVGGeometry));
1.65 + }
1.66 +
1.67 + virtual nsresult AttributeChanged(int32_t aNameSpaceID,
1.68 + nsIAtom* aAttribute,
1.69 + int32_t aModType) MOZ_OVERRIDE;
1.70 +
1.71 + virtual void DidSetStyleContext(nsStyleContext* aOldStyleContext) MOZ_OVERRIDE;
1.72 +
1.73 + /**
1.74 + * Get the "type" of the frame
1.75 + *
1.76 + * @see nsGkAtoms::svgPathGeometryFrame
1.77 + */
1.78 + virtual nsIAtom* GetType() const MOZ_OVERRIDE;
1.79 +
1.80 + virtual bool IsSVGTransformed(Matrix *aOwnTransforms = nullptr,
1.81 + Matrix *aFromParentTransforms = nullptr) const MOZ_OVERRIDE;
1.82 +
1.83 +#ifdef DEBUG_FRAME_DUMP
1.84 + virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE
1.85 + {
1.86 + return MakeFrameName(NS_LITERAL_STRING("SVGPathGeometry"), aResult);
1.87 + }
1.88 +#endif
1.89 +
1.90 + virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
1.91 + const nsRect& aDirtyRect,
1.92 + const nsDisplayListSet& aLists) MOZ_OVERRIDE;
1.93 +
1.94 + // nsSVGPathGeometryFrame methods
1.95 + gfxMatrix GetCanvasTM(uint32_t aFor,
1.96 + nsIFrame* aTransformRoot = nullptr);
1.97 +protected:
1.98 + // nsISVGChildFrame interface:
1.99 + virtual nsresult PaintSVG(nsRenderingContext *aContext,
1.100 + const nsIntRect *aDirtyRect,
1.101 + nsIFrame* aTransformRoot = nullptr) MOZ_OVERRIDE;
1.102 + virtual nsIFrame* GetFrameForPoint(const nsPoint &aPoint) MOZ_OVERRIDE;
1.103 + virtual nsRect GetCoveredRegion() MOZ_OVERRIDE;
1.104 + virtual void ReflowSVG() MOZ_OVERRIDE;
1.105 + virtual void NotifySVGChanged(uint32_t aFlags) MOZ_OVERRIDE;
1.106 + virtual SVGBBox GetBBoxContribution(const Matrix &aToBBoxUserspace,
1.107 + uint32_t aFlags) MOZ_OVERRIDE;
1.108 + virtual bool IsDisplayContainer() MOZ_OVERRIDE { return false; }
1.109 +
1.110 + void GeneratePath(gfxContext *aContext, const Matrix &aTransform);
1.111 + /**
1.112 + * This function returns a set of bit flags indicating which parts of the
1.113 + * element (fill, stroke, bounds) should intercept pointer events. It takes
1.114 + * into account the type of element and the value of the 'pointer-events'
1.115 + * property on the element.
1.116 + */
1.117 + virtual uint16_t GetHitTestFlags();
1.118 +private:
1.119 + enum { eRenderFill = 1, eRenderStroke = 2 };
1.120 + void Render(nsRenderingContext *aContext, uint32_t aRenderComponents,
1.121 + nsIFrame* aTransformRoot);
1.122 + void PaintMarkers(nsRenderingContext *aContext);
1.123 +
1.124 + struct MarkerProperties {
1.125 + nsSVGMarkerProperty* mMarkerStart;
1.126 + nsSVGMarkerProperty* mMarkerMid;
1.127 + nsSVGMarkerProperty* mMarkerEnd;
1.128 +
1.129 + bool MarkersExist() const {
1.130 + return mMarkerStart || mMarkerMid || mMarkerEnd;
1.131 + }
1.132 +
1.133 + nsSVGMarkerFrame *GetMarkerStartFrame();
1.134 + nsSVGMarkerFrame *GetMarkerMidFrame();
1.135 + nsSVGMarkerFrame *GetMarkerEndFrame();
1.136 + };
1.137 +
1.138 + /**
1.139 + * @param aFrame should be the first continuation
1.140 + */
1.141 + static MarkerProperties GetMarkerProperties(nsSVGPathGeometryFrame *aFrame);
1.142 +};
1.143 +
1.144 +#endif // __NS_SVGPATHGEOMETRYFRAME_H__
