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/* -*- 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_SVGPATHGEOMETRYFRAME_H__
#define __NS_SVGPATHGEOMETRYFRAME_H__
#include "mozilla/Attributes.h"
#include "gfxMatrix.h"
#include "gfxRect.h"
#include "nsFrame.h"
#include "nsISVGChildFrame.h"
#include "nsLiteralString.h"
#include "nsQueryFrame.h"
#include "nsSVGUtils.h"
namespace mozilla {
namespace gfx {
class DrawTarget;
} // namespace gfx
} // namespace mozilla
class gfxContext;
class nsDisplaySVGPathGeometry;
class nsIAtom;
class nsIFrame;
class nsIPresShell;
class nsStyleContext;
class nsSVGMarkerFrame;
class nsSVGMarkerProperty;
struct nsRect;
class nsSVGPathGeometryFrame : public nsFrame
, public nsISVGChildFrame
{
typedef mozilla::gfx::DrawTarget DrawTarget;
friend nsIFrame*
NS_NewSVGPathGeometryFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
friend class nsDisplaySVGPathGeometry;
protected:
explicit nsSVGPathGeometryFrame(nsStyleContext* aContext)
: nsFrame(aContext)
{
AddStateBits(NS_FRAME_SVG_LAYOUT | NS_FRAME_MAY_BE_TRANSFORMED);
}
public:
NS_DECL_QUERYFRAME_TARGET(nsSVGPathGeometryFrame)
NS_DECL_QUERYFRAME
NS_DECL_FRAMEARENA_HELPERS
// nsIFrame interface:
virtual void Init(nsIContent* aContent,
nsContainerFrame* aParent,
nsIFrame* aPrevInFlow) override;
virtual bool IsFrameOfType(uint32_t aFlags) const override
{
return nsFrame::IsFrameOfType(aFlags & ~(nsIFrame::eSVG | nsIFrame::eSVGGeometry));
}
virtual nsresult AttributeChanged(int32_t aNameSpaceID,
nsIAtom* aAttribute,
int32_t aModType) override;
virtual void DidSetStyleContext(nsStyleContext* aOldStyleContext) override;
/**
* Get the "type" of the frame
*
* @see nsGkAtoms::svgPathGeometryFrame
*/
virtual nsIAtom* GetType() const override;
virtual bool IsSVGTransformed(Matrix *aOwnTransforms = nullptr,
Matrix *aFromParentTransforms = nullptr) const override;
#ifdef DEBUG_FRAME_DUMP
virtual nsresult GetFrameName(nsAString& aResult) const override
{
return MakeFrameName(NS_LITERAL_STRING("SVGPathGeometry"), aResult);
}
#endif
virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists) override;
// nsSVGPathGeometryFrame methods
gfxMatrix GetCanvasTM();
protected:
// nsISVGChildFrame interface:
virtual DrawResult PaintSVG(gfxContext& aContext,
const gfxMatrix& aTransform,
const nsIntRect* aDirtyRect = nullptr) override;
virtual nsIFrame* GetFrameForPoint(const gfxPoint& aPoint) override;
virtual nsRect GetCoveredRegion() override;
virtual void ReflowSVG() override;
virtual void NotifySVGChanged(uint32_t aFlags) override;
virtual SVGBBox GetBBoxContribution(const Matrix &aToBBoxUserspace,
uint32_t aFlags) override;
virtual bool IsDisplayContainer() override { return false; }
/**
* This function returns a set of bit flags indicating which parts of the
* element (fill, stroke, bounds) should intercept pointer events. It takes
* into account the type of element and the value of the 'pointer-events'
* property on the element.
*/
virtual uint16_t GetHitTestFlags();
private:
enum { eRenderFill = 1, eRenderStroke = 2 };
void Render(gfxContext* aContext, uint32_t aRenderComponents,
const gfxMatrix& aTransform);
/**
* @param aMatrix The transform that must be multiplied onto aContext to
* establish this frame's SVG user space.
*/
void PaintMarkers(gfxContext& aContext, const gfxMatrix& aMatrix);
struct MarkerProperties {
nsSVGMarkerProperty* mMarkerStart;
nsSVGMarkerProperty* mMarkerMid;
nsSVGMarkerProperty* mMarkerEnd;
bool MarkersExist() const {
return mMarkerStart || mMarkerMid || mMarkerEnd;
}
nsSVGMarkerFrame *GetMarkerStartFrame();
nsSVGMarkerFrame *GetMarkerMidFrame();
nsSVGMarkerFrame *GetMarkerEndFrame();
};
/**
* @param aFrame should be the first continuation
*/
static MarkerProperties GetMarkerProperties(nsSVGPathGeometryFrame *aFrame);
};
#endif // __NS_SVGPATHGEOMETRYFRAME_H__
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