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141 lines
4.7 KiB
C
141 lines
4.7 KiB
C
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Mozilla SVG project.
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*
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* The Initial Developer of the Original Code is
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* Crocodile Clips Ltd..
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* Portions created by the Initial Developer are Copyright (C) 2002
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Alex Fritze <alex.fritze@crocodile-clips.com> (original author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef __NS_SVGPATHGEOMETRYFRAME_H__
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#define __NS_SVGPATHGEOMETRYFRAME_H__
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#include "nsFrame.h"
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#include "nsISVGChildFrame.h"
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#include "nsWeakReference.h"
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#include "nsGkAtoms.h"
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#include "nsSVGGeometryFrame.h"
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#include "gfxRect.h"
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class nsPresContext;
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class nsIDOMSVGMatrix;
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class nsSVGMarkerFrame;
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class nsSVGMarkerProperty;
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typedef nsSVGGeometryFrame nsSVGPathGeometryFrameBase;
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#define HITTEST_MASK_FILL 1
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#define HITTEST_MASK_STROKE 2
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class nsSVGPathGeometryFrame : public nsSVGPathGeometryFrameBase,
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public nsISVGChildFrame
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{
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public:
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nsSVGPathGeometryFrame(nsStyleContext* aContext);
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// nsISupports interface:
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NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);
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NS_IMETHOD_(nsrefcnt) AddRef() { return 1; }
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NS_IMETHOD_(nsrefcnt) Release() { return 1; }
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// nsIFrame interface:
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virtual void Destroy();
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NS_IMETHOD AttributeChanged(PRInt32 aNameSpaceID,
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nsIAtom* aAttribute,
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PRInt32 aModType);
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NS_IMETHOD DidSetStyleContext();
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/**
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* Get the "type" of the frame
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*
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* @see nsGkAtoms::svgPathGeometryFrame
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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("SVGPathGeometry"), aResult);
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}
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#endif
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// nsISVGGeometrySource interface:
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NS_IMETHOD GetCanvasTM(nsIDOMSVGMatrix * *aCTM);
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virtual nsresult UpdateGraphic(PRBool suppressInvalidation = PR_FALSE);
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protected:
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// nsISVGChildFrame interface:
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NS_IMETHOD PaintSVG(nsSVGRenderState *aContext, nsRect *aDirtyRect);
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NS_IMETHOD GetFrameForPointSVG(float x, float y, nsIFrame** hit);
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NS_IMETHOD_(nsRect) GetCoveredRegion();
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NS_IMETHOD UpdateCoveredRegion();
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NS_IMETHOD InitialUpdate();
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NS_IMETHOD NotifyCanvasTMChanged(PRBool suppressInvalidation);
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NS_IMETHOD NotifyRedrawSuspended();
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NS_IMETHOD NotifyRedrawUnsuspended();
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NS_IMETHOD SetMatrixPropagation(PRBool aPropagate);
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NS_IMETHOD SetOverrideCTM(nsIDOMSVGMatrix *aCTM);
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NS_IMETHOD GetBBox(nsIDOMSVGRect **_retval);
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NS_IMETHOD_(PRBool) IsDisplayContainer() { return PR_FALSE; }
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NS_IMETHOD_(PRBool) HasValidCoveredRect() { return PR_TRUE; }
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protected:
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virtual PRUint16 GetHittestMask();
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private:
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void Render(nsSVGRenderState *aContext);
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void GeneratePath(gfxContext *aContext);
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/*
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* Check for what cairo returns for the fill extents of a degenerate path
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*
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* @return PR_TRUE if the path is degenerate
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*/
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static PRBool
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IsDegeneratePath(const gfxRect& rect)
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{
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return (rect.X() == 0 && rect.Y() == 0 &&
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rect.Width() == 0 && rect.Height() == 0);
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}
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nsSVGMarkerProperty *GetMarkerProperty();
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void UpdateMarkerProperty();
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void RemovePathProperties();
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nsCOMPtr<nsIDOMSVGMatrix> mOverrideCTM;
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PRPackedBool mPropagateTransform;
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};
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#endif // __NS_SVGPATHGEOMETRYFRAME_H__
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