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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /layout/svg/nsSVGPathGeometryFrame.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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-rw-r--r--layout/svg/nsSVGPathGeometryFrame.h147
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diff --git a/layout/svg/nsSVGPathGeometryFrame.h b/layout/svg/nsSVGPathGeometryFrame.h
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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__