/*
* 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<TFloatFixPt>* aX );
/**
* Need method description
*
* @since 1.0
* @param
* @return
*/
void GetY( CArrayFix<TFloatFixPt>* 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<TFloatFixPt>* aX );
/**
* Need method description
*
* @since 1.0
* @param
* @return
*/
void SetY( CArrayFix<TFloatFixPt>* aX );
void SetXYArray(TUint16 aAtrId, CArrayFixFlat<TFloatFixPt>*& 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<TReal32>*& 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 <rect>, <circle>, or
* an abstract element, such as <g>, <animate>.
*
* @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<CSvgElementImpl>& 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<CSvgElementImpl>& 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<CSvgElementImpl>& 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<CSvgElementImpl>& 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<CSvgElementImpl>& 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<TFloatFixPt>* iArrayX;
CArrayFixFlat<TFloatFixPt>* iArrayY;
CArrayFixFlat<TReal32>* iArrayRotate;
TInt8 iTextAnchor;
TInt8 iTextDecoration;
RPointerArray<CSvgElementImpl> 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 */