зеркало из https://github.com/mozilla/gecko-dev.git
70 строки
1.9 KiB
C++
70 строки
1.9 KiB
C++
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/* -*- 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 __NS_SVGGEOMETRYFRAME_H__
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#define __NS_SVGGEOMETRYFRAME_H__
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#include "mozilla/Attributes.h"
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#include "gfxMatrix.h"
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#include "gfxTypes.h"
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#include "nsFrame.h"
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#include "nsIFrame.h"
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#include "nsQueryFrame.h"
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#include "nsRect.h"
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class gfxContext;
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class nsIContent;
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class nsStyleContext;
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class nsSVGPaintServerFrame;
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struct nsStyleSVGPaint;
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typedef nsFrame nsSVGGeometryFrameBase;
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/* nsSVGGeometryFrame is a base class for SVG objects that directly
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* have geometry (circle, ellipse, line, polyline, polygon, path, and
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* glyph frames). It knows how to convert the style information into
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* cairo context information and stores the fill/stroke paint
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* servers. */
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class nsSVGGeometryFrame : public nsSVGGeometryFrameBase
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{
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protected:
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NS_DECL_FRAMEARENA_HELPERS
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nsSVGGeometryFrame(nsStyleContext *aContext)
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: nsSVGGeometryFrameBase(aContext)
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{
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AddStateBits(NS_FRAME_SVG_LAYOUT);
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}
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public:
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// nsIFrame interface:
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virtual void Init(nsIContent* aContent,
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nsIFrame* aParent,
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nsIFrame* aPrevInFlow) MOZ_OVERRIDE;
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virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
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{
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return nsSVGGeometryFrameBase::IsFrameOfType(aFlags & ~(nsIFrame::eSVG | nsIFrame::eSVGGeometry));
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}
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// nsSVGGeometryFrame methods:
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virtual gfxMatrix GetCanvasTM(uint32_t aFor) = 0;
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uint16_t GetClipRule();
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protected:
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/**
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* This function returns a set of bit flags indicating which parts of the
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* element (fill, stroke, bounds) should intercept pointer events. It takes
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* into account the type of element and the value of the 'pointer-events'
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* property on the element.
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*/
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virtual uint16_t GetHitTestFlags();
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};
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#endif // __NS_SVGGEOMETRYFRAME_H__
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