зеркало из https://github.com/mozilla/gecko-dev.git
92 строки
2.4 KiB
C++
92 строки
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef NSSVGTEXTPATHFRAME_H
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#define NSSVGTEXTPATHFRAME_H
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#include "gfxTypes.h"
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#include "nsCOMPtr.h"
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#include "nsFrame.h"
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#include "nsISVGChildFrame.h"
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#include "nsLiteralString.h"
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#include "nsQueryFrame.h"
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#include "nsSVGTSpanFrame.h"
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class gfxFlattenedPath;
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class nsIAtom;
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class nsIContent;
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class nsIFrame;
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class nsIPresShell;
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class nsStyleContext;
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namespace mozilla {
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class SVGNumberList;
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}
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typedef nsSVGTSpanFrame nsSVGTextPathFrameBase;
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class nsSVGTextPathFrame : public nsSVGTextPathFrameBase
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{
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typedef mozilla::SVGNumberList SVGNumberList;
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friend nsIFrame*
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NS_NewSVGTextPathFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
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protected:
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nsSVGTextPathFrame(nsStyleContext* aContext) : nsSVGTextPathFrameBase(aContext) {}
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public:
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NS_DECL_FRAMEARENA_HELPERS
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// nsIFrame:
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#ifdef DEBUG
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NS_IMETHOD Init(nsIContent* aContent,
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nsIFrame* aParent,
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nsIFrame* aPrevInFlow);
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#endif
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NS_IMETHOD AttributeChanged(int32_t aNameSpaceID,
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nsIAtom* aAttribute,
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int32_t aModType);
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/**
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* Get the "type" of the frame
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*
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* @see nsGkAtoms::svgGFrame
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*/
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virtual nsIAtom* GetType() const;
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#ifdef DEBUG
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NS_IMETHOD GetFrameName(nsAString& aResult) const
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{
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return MakeFrameName(NS_LITERAL_STRING("SVGTextPath"), aResult);
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}
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#endif
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// nsSVGTextPathFrame methods:
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already_AddRefed<gfxFlattenedPath> GetFlattenedPath();
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nsIFrame *GetPathFrame();
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/**
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* Gets the scale by which offsets along this textPath must be scaled. This
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* scaling is due to the user provided 'pathLength' attribute on the <path>
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* element, which is a user provided estimate of the path length.
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*/
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gfxFloat GetOffsetScale();
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/**
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* Gets the offset from the start of the path at which the first character
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* should be positioned. The value returned already takes GetOffsetScale
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* into account.
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*/
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gfxFloat GetStartOffset();
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protected:
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virtual void GetXY(SVGUserUnitList *aX, SVGUserUnitList *aY);
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virtual void GetDxDy(SVGUserUnitList *aDx, SVGUserUnitList *aDy);
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virtual const SVGNumberList *GetRotate();
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};
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#endif
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