diff -r 000000000000 -r d46562c3d99d svgtopt/SVG/SVGImpl/inc/SVGTextElementImpl.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/svgtopt/SVG/SVGImpl/inc/SVGTextElementImpl.h Thu Jan 07 16:19:02 2010 +0200 @@ -0,0 +1,596 @@ +/* +* Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies). +* All rights reserved. +* This component and the accompanying materials are made available +* under the terms of "Eclipse Public License v1.0" +* which accompanies this distribution, and is available +* at the URL "http://www.eclipse.org/legal/epl-v10.html". +* +* Initial Contributors: +* Nokia Corporation - initial contribution. +* +* Contributors: +* +* Description: SVG Implementation header file + * +*/ + + +#ifndef _INC_CSVGTEXTELEMENTIMPL_ +#define _INC_CSVGTEXTELEMENTIMPL_ + +#include "SVGElementImpl.h" +#include "SVGLangSpaceImpl.h" +#include "SVGFourPointRect.h" +#include "SVGListener.h" +#include "GfxPoint2D.h" + + + + +class CSvgErrorImpl; + +class CSvgDocumentImpl; +class MXmlDocument; + +enum TTextAnchor +{ + EStartAnchor = 0, + EMiddleAnchor, + EEndAnchor +}; + +/** + * Class description goes here. + * + * @lib SVGEngine.lib + * @since 1.0 + */ +class CSvgTextElementImpl : public CSvgElementImpl, + public MSvgMouseListener + { + public: + + // Constructor/deconstructor + + + + /** + * Need method description + * + * @since 1.0 + * @param + * @return + */ + static CSvgTextElementImpl*NewL( const TUint8 aElemID, + CSvgDocumentImpl* aDoc ); + + /** + * Need method description + * + * @since 1.0 + * @param + * @return + */ + static CSvgTextElementImpl*NewLC( const TUint8 aElemID, + CSvgDocumentImpl* aDoc ); + + private: + /** + * Need method description + * + * @since 1.0 + * @param + * @return + */ + void ConstructL( const TUint8 aElemID ); + + + + public: + + void UpdateCurrentScaledFont(); + + /** + * Need method description + * + * @since 1.0 + * @param + * @return + */ + ~CSvgTextElementImpl(); + // From SVG DOM + + /** + * Need method description + * + * @since 1.0 + * @param + * @return + */ + TInt32 NumberOfChars(); + + /** + * Need method description + * + * @since 1.0 + * @param + * @return + */ + void GetX( CArrayFix* aX ); + + /** + * Need method description + * + * @since 1.0 + * @param + * @return + */ + void GetY( CArrayFix* aY ); + + // SVG Implementation + + /** + * Need method description + * + * @since 1.0 + * @param + * @return + */ + TBool IsNumberAttributeValid( const TDesC& aValue ); + + + void SetTextL( const TDesC& aText ); // This is temporary API until CDATA is implemented + + TDesC& GetText(); + + TBool LoadExternalSVGFontL( const TDesC& aText ); + + /** + * Need method description + * + * @since 1.0 + * @param + * @return + */ + void SetX( CArrayFix* aX ); + + /** + * Need method description + * + * @since 1.0 + * @param + * @return + */ + void SetY( CArrayFix* aX ); + + + void SetXYArray(TUint16 aAtrId, CArrayFixFlat*& aX ); + + + + /** + * Need method description + * + * @since 1.0 + * @param + * @return + */ + void SetTextDecoration( const TDesC& aValue ); + + /** + * Need method description + * + * @since 1.0 + * @param + * @return + */ + void SetTextAnchor( const TDesC& aValue ); + + + /** + * Need method description + * + * @since 1.0 + * @param + * @return + */ + void SetFontFamilyL( const TDesC& aValue ); + + /** + * Need method description + * + * @since 1.0 + * @param + * @return + */ + void SetRotateL( const TDesC& aValue ); + + /** + * Need method description + * + * @since 1.0 + * @param + * @return + */ + + + + /** + * Using generic function instead of SetArrayXL or SetArrrayYL + * + * @since 1.0 + * aValue - the string containing the coordinates + * aIsX - Flag to determine whether it is X or Y coordinate values + */ + + void SetArrayL( const TDesC& aValue , const TBool aIsX); + + + + // From MXmlElement API + + + /** + * Need method description + * + * @since 1.0 + * @param + * @return + */ + TInt SetAttributeL( const TDesC& aName, + const TDesC& aValue ); + // From MXmlElementOpt API + + + /** + * Need method description + * + * @since 1.0 + * @param + * @return + */ + TInt GetAttributeFloat( const TInt aNameId, + TFloatFixPt& aValue ); + + /** + * Need method description + * + * @since 1.0 + * @param + * @return + */ + TInt SetAttributeFloatL( const TInt aNameId, + const TFloatFixPt aValue ); + + + /** + * Need method description + * + * @since 1.0 + * @param + * @return + */ + TInt GetAttributeDes( const TInt aNameId, + TPtrC16& aValue ); + + /** + * Need method description + * + * @since 1.0 + * @param + * @return + */ + TInt SetAttributeDesL( const TInt aNameId, + const TDesC& aValue ); + + // From CSvgElementImpl + + + /** + * Need method description + * + * @since 1.0 + * @param + * @return + */ + MXmlElement* CloneL(MXmlElement* aParentElement); + + + void CopyL( CSvgTextElementImpl* aDestElement ); + + + /** + * Need method description + * + * @since 1.0 + * @param + * @return + */ + TBool DrawL( CGfx2dGc* aGc, + CSvgElementImpl* aElement ); + + + + /** + * Scale the stroke width in order to nullify the effect of scaling + * appiled on the glyph + * + * @since 3.2 + * @param aGc- Graphics context + * @return none + */ + void ScaleStrokeWidth(CGfx2dGc* aGc); + + +// void GetCurrentFontScaled(CFont*& aFont, TFontSpec& aFontSpec); + + /** + * Need method description + * + * @since 1.0 + * @param + * @return + */ + void GetBBox( TGfxRectangle2D& aBbox ); + void GetFourPointBBox( TSvgFourPointRect& aFourPointBBox ); + void GetBBoxForSVGText( TGfxRectangle2D& aBbox ); + void GetBBoxForSVGText( TSvgFourPointRect& aFourPointBbox,const TGfxAffineTransform& aTransform); + void GetBBoxForSystemText( TGfxRectangle2D& aBbox ); + void GetBBoxForSystemText( TSvgFourPointRect& aFourPointBbox ); + void CreateSVGFontL(); + /** + * Need method description + * + * @since 1.0 + * @param + * @return + */ + virtual void GetUnscaledBBox( TGfxRectangle2D& aBbox ); + + /** + * Need method description + * + * @since 1.0 + * @param + * @return + */ + //Local Function(s) + + /** + * Need method description + * + * @since 1.0 + * @param + * @return + */ + TBool IsWithinUnicodeRange( const TDesC& aUnicodeRange, + const TDesC& aCharacter ); + + /** + * Need method description + * + * @since 1.0 + * @param + * @return + */ + void SetUKernPairsL( const TDesC& aU1, + const TDesC& aU2 ); + + + /** + * Need method description + * + * @since 1.0 + * @param + * @return + */ + void SetGKernPairsL( const TDesC& aG1, + const TDesC& aG2 ); + + + /** + * Need method description + * + * @since 1.0 + * @param + * @return + */ + TBool IsKerningRequired( const TDesC& aPrevGlyphName, + const TDesC& aCurrGlyphName, + const TDesC& aPrevUnicode, + const TDesC& aCurrUnicode); + + // function for decoding + void SetRotateArray(CArrayFixFlat*& aRotate); + void FreeFontData(); + + /** + * Return the font size for this text element. + * + * @since 1.0 + * @param + * @return + */ + TFloatFixPt FontSize(); + + TFloatFixPt TextAdvance( const TDesC& aText, TInt aIndex = 0); + TFloatFixPt Ascent(); + TFloatFixPt Descent(); + TTextAnchor TextAnchor(); + void CacheGlyphsForText(); + TBool IsMostBasicLatin(); + TBool HasFont(); + void SetFont(CFont* aBitmapFont = NULL, CSvgElementImpl* aSVGFont = NULL); + + void SetEditable( const TDesC& aValue ); + + void Print( TBool aIsEncodeOn ); + const CFont* Font() const; + + /** + * Return wether an svg element is displayable, such as , , or + * an abstract element, such as , . + * + * @since 1.0 + * @param None + * @return ETrue if element is viewable. + */ + TBool IsViewable() { return ETrue; } + + TBool IsEditable(); + + /** + * Notified when the mouse pointer enters a visible svg element. + * + * @since 1.0 + * param : aElements -- SVG elements containing the mouse point. + * param : aX -- x coordinate of mouse pointer. + * param : aY -- y coordinate of mouse pointer. + * @return : For future use. Value is ignored. + */ + TBool MouseEntered( RPointerArray& aElements, + TInt aX, TInt aY ); + + /** + * Notified when the mouse pointer exits a visible svg element. + * + * @since 1.0 + * param : aElements -- SVG elements containing the mouse point. + * param : aX -- x coordinate of mouse pointer. + * param : aY -- y coordinate of mouse pointer. + * @return : For future use. Value is ignored. + */ + TBool MouseExited( RPointerArray& aElements, + TInt aX, TInt aY ); + + /** + * Notified when the mouse pointer exits a visible svg element. + * + * @since 1.0 + * param : aElements -- SVG elements containing the mouse point. + * param : aX -- x coordinate of mouse pointer. + * param : aY -- y coordinate of mouse pointer. + * @return : For future use. Value is ignored. + */ + TBool MouseMoved( RPointerArray& aElements, + TInt aX, TInt aY ); + + + /** + * Notified when the mouse pointer is pressed down on visible svg element. + * + * @since 1.0 + * param : aElements -- SVG elements containing the mouse point. + * param : aX -- x coordinate of mouse pointer. + * param : aY -- y coordinate of mouse pointer. + * @return : For future use. Value is ignored. + */ + TBool MousePressed( RPointerArray& aElements, + TInt aX, TInt aY ); + + /** + * Notified when the mouse pointer is released on on visible svg element. + * + * @since 1.0 + * param : aElements -- SVG elements containing the mouse point. + * param : aX -- x coordinate of mouse pointer. + * param : aY -- y coordinate of mouse pointer. + * @return : For future use. Value is ignored. + */ + TBool MouseReleased( RPointerArray& aElements, + TInt aX, TInt aY ); + + inline TInt FileOffset() const + { + return iOffset; + } + + inline void SetFileOffset(TInt aOffset) + { + if(! FileOffset()) + iOffset = aOffset; + }; + + inline void SetOrgLength(TInt aOrgLength) + { + if(!GetOrgLength()) + iOrgLength = aOrgLength; + }; + + inline TInt GetOrgLength() + { + return iOrgLength; + } + TFloatFixPt GetTotalTextAdvance(const TFloatFixPt& alK,const TFloatFixPt& alUnitsPerEmInverse,const TFloatFixPt& alFontSize,const TFloatFixPt& alMissingGlyphHorzAdvX,const TFloatFixPt& alFontHorzAdvX); + + CFont* iBitmapFont; + TFontSpec iBitmapFontSpec; //New + + private: + + void GetScaledFont( TFloatFixPt aHeight, + const TDesC& aTypefaceName, + CFont*& aFont, + TFontSpec& aFontSpec ); + + /** + * Need method description + * + * @since 1.0 + * @param + * @return + */ + CSvgTextElementImpl( CSvgDocumentImpl* aDoc ); + + TBool FetchSvgFontL(const TDesC& aUri, CSvgDocumentImpl* aNewFontDoc); + //TBool LoadDefaultSvgFont(CSvgDocumentImpl* aNewFontDoc); + + +private: + // Text element specific instance variables + HBufC* iText; + TFloatFixPt iScale; + TGfxPoint2D iPoint; + TReal iLetterSpacing; + TReal iWordSpacing; + TReal iRotate; + CDesCArrayFlat* iFamilies; + CArrayFixFlat* iArrayX; + CArrayFixFlat* iArrayY; + CArrayFixFlat* iArrayRotate; + TInt8 iTextAnchor; + TInt8 iTextDecoration; + + RPointerArray iGlyphElements; + + HBufC* iG1; + HBufC* iG2; + + HBufC* iU1; + HBufC* iU2; + + TBool iNeedToCacheGlyphs; + TBool iUseDefaultSVGFont; + TBool iTriedLoadingSVGFonts; + + CWsScreenDevice* iWsScreenDevice; //New + CSvgElementImpl* iSVGFont; + + CSvgElementImpl* iFontFaceElement; + CSvgElementImpl* iMissingGlyphElement; + CSvgElementImpl* iHkernElement; + + TGfxRectangle2D iSVGBbox; + TBool iEditable; + +public: + TInt iOffset; + TInt iOrgLength; + TSize iBoundingBox; + CFont* iFont; + + CGfx2dGc* iGfx2dGc; + }; + +#endif /* _INC_CSVGTEXTELEMENT_3C61A6080051_INCLUDED */