gecko/layout/svg/base/src/nsSVGTSpanFrame.h

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3.5 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Mozilla SVG project.
*
* The Initial Developer of the Original Code is
* Crocodile Clips Ltd..
* Portions created by the Initial Developer are Copyright (C) 2002
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Alex Fritze <alex.fritze@crocodile-clips.com> (original author)
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef NSSVGTSPANFRAME_H
#define NSSVGTSPANFRAME_H
#include "nsSVGTextContainerFrame.h"
#include "nsISVGGlyphFragmentNode.h"
#include "gfxMatrix.h"
typedef nsSVGTextContainerFrame nsSVGTSpanFrameBase;
class nsSVGTSpanFrame : public nsSVGTSpanFrameBase,
public nsISVGGlyphFragmentNode
{
friend nsIFrame*
NS_NewSVGTSpanFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
protected:
nsSVGTSpanFrame(nsStyleContext* aContext) :
nsSVGTextContainerFrame(aContext) {}
public:
NS_DECL_QUERYFRAME
NS_DECL_FRAMEARENA_HELPERS
// nsIFrame:
#ifdef DEBUG
NS_IMETHOD Init(nsIContent* aContent,
nsIFrame* aParent,
nsIFrame* aPrevInFlow);
#endif
NS_IMETHOD AttributeChanged(PRInt32 aNameSpaceID,
nsIAtom* aAttribute,
PRInt32 aModType);
/**
* Get the "type" of the frame
*
* @see nsGkAtoms::svgTSpanFrame
*/
virtual nsIAtom* GetType() const;
#ifdef DEBUG
NS_IMETHOD GetFrameName(nsAString& aResult) const
{
return MakeFrameName(NS_LITERAL_STRING("SVGTSpan"), aResult);
}
#endif
// nsSVGContainerFrame methods:
virtual gfxMatrix GetCanvasTM();
// nsISVGGlyphFragmentNode interface:
virtual PRUint32 GetNumberOfChars();
virtual float GetComputedTextLength();
virtual float GetSubStringLength(PRUint32 charnum, PRUint32 fragmentChars);
virtual PRInt32 GetCharNumAtPosition(nsIDOMSVGPoint *point);
NS_IMETHOD_(nsISVGGlyphFragmentLeaf *) GetFirstGlyphFragment();
NS_IMETHOD_(nsISVGGlyphFragmentLeaf *) GetNextGlyphFragment();
NS_IMETHOD_(void) SetWhitespaceHandling(PRUint8 aWhitespaceHandling);
};
#endif