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124 lines
3.6 KiB
C++
124 lines
3.6 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 NS_SVGTEXTCONTAINERFRAME_H
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#define NS_SVGTEXTCONTAINERFRAME_H
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#include "mozilla/Attributes.h"
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#include "nsFrame.h"
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#include "nsIFrame.h"
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#include "nsISVGChildFrame.h"
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#include "nsQueryFrame.h"
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#include "nsSVGContainerFrame.h"
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#include "nsTArray.h"
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class nsFrameList;
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class nsIDOMSVGRect;
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class nsISVGGlyphFragmentNode;
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class nsStyleContext;
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class nsSVGGlyphFrame;
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class nsSVGTextFrame;
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namespace mozilla {
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class DOMSVGPoint;
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}
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class nsSVGTextContainerFrame : public nsSVGDisplayContainerFrame
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{
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protected:
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nsSVGTextContainerFrame(nsStyleContext* aContext) :
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nsSVGDisplayContainerFrame(aContext) {}
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public:
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void NotifyGlyphMetricsChange();
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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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NS_DECL_QUERYFRAME_TARGET(nsSVGTextContainerFrame)
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NS_DECL_QUERYFRAME
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NS_DECL_FRAMEARENA_HELPERS
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// nsIFrame
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NS_IMETHOD InsertFrames(ChildListID aListID,
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nsIFrame* aPrevFrame,
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nsFrameList& aFrameList) MOZ_OVERRIDE;
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NS_IMETHOD RemoveFrame(ChildListID aListID, nsIFrame *aOldFrame) MOZ_OVERRIDE;
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NS_IMETHOD GetStartPositionOfChar(uint32_t charnum, nsISupports **_retval);
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NS_IMETHOD GetEndPositionOfChar(uint32_t charnum, nsISupports **_retval);
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NS_IMETHOD GetExtentOfChar(uint32_t charnum, nsIDOMSVGRect **_retval);
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NS_IMETHOD GetRotationOfChar(uint32_t charnum, float *_retval);
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/*
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* Returns the number of characters in a string
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*/
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virtual uint32_t GetNumberOfChars();
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/*
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* Determines the length of a string
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*/
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virtual float GetComputedTextLength();
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/*
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* Determines the length of a substring
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*/
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virtual float GetSubStringLength(uint32_t charnum, uint32_t nchars);
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/*
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* Get the character at the specified position
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*/
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virtual int32_t GetCharNumAtPosition(mozilla::DOMSVGPoint *point);
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void GetEffectiveXY(nsTArray<float> &aX, nsTArray<float> &aY);
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void GetEffectiveDxDy(nsTArray<float> &aDx, nsTArray<float> &aDy);
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void GetEffectiveRotate(nsTArray<float> &aRotate);
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protected:
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/*
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* Returns the first child node for a frame
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*/
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nsISVGGlyphFragmentNode *
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GetFirstGlyphFragmentChildNode();
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/*
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* Returns the next child node for a frame
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*/
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nsISVGGlyphFragmentNode *
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GetNextGlyphFragmentChildNode(nsISVGGlyphFragmentNode *node);
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void CopyPositionList(nsTArray<float> *parentList,
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SVGUserUnitList *selfList,
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nsTArray<float> &dstList,
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uint32_t aOffset);
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void CopyRotateList(nsTArray<float> *parentList,
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const SVGNumberList *selfList,
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nsTArray<float> &dstList,
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uint32_t aOffset);
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uint32_t BuildPositionList(uint32_t aOffset, uint32_t aDepth);
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void SetWhitespaceCompression();
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private:
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/*
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* Returns the glyph frame containing a particular character
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*/
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static nsSVGGlyphFrame *
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GetGlyphFrameAtCharNum(nsISVGGlyphFragmentNode* node,
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uint32_t charnum,
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uint32_t *offset);
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/*
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* Returns the text frame ancestor of this frame (or the frame itself
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* if this is a text frame)
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*/
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nsSVGTextFrame * GetTextFrame();
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nsTArray<float> mX;
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nsTArray<float> mY;
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nsTArray<float> mDx;
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nsTArray<float> mDy;
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nsTArray<float> mRotate;
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};
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#endif
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