svgtopt/SVG/SVGImpl/src/SVGPathElementImpl.cpp
changeset 0 d46562c3d99d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/svgtopt/SVG/SVGImpl/src/SVGPathElementImpl.cpp	Thu Jan 07 16:19:02 2010 +0200
@@ -0,0 +1,362 @@
+/*
+* 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 source file
+ *
+*/
+
+
+#if !defined(__E32BASE_H__)
+#include <e32base.h>
+#endif
+
+#include "SVGPathElementImpl.h"
+#include "GfxGeneralPath.h"
+#include "SVGDocumentImpl.h"
+#include "SVGSchemaData.h"
+#include "SVGPathDataParser.h"
+
+_LIT( D, "d" );
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+
+CSvgPathElementImpl* CSvgPathElementImpl::NewL(  const TUint8 aElemID,
+                                                CSvgDocumentImpl* aDoc )
+    {
+    CSvgPathElementImpl*self    = new ( ELeave ) CSvgPathElementImpl( aDoc );
+    CleanupStack::PushL( self );
+    self->ConstructL( aElemID );
+    CleanupStack::Pop();
+
+    return self;
+    }
+
+
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+CSvgPathElementImpl::~CSvgPathElementImpl()
+    {
+    if(iShape)
+		{
+		delete iShape;
+		iShape = NULL;
+        }
+	if(iSvgStyleProperties)
+		{
+		iSvgStyleProperties->Close();
+		delete iSvgStyleProperties;
+		iSvgStyleProperties = NULL;
+		}
+    }
+
+// *******************************************************
+// From MXmlElement
+
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+TInt CSvgPathElementImpl::SetAttributeL( const TDesC& aName,
+                                         const TDesC& aValue )
+    {
+
+
+	CSvgElementImpl::SetAttributeL(aName,aValue);
+
+    if ( aName == D )
+        {
+        iReqAttrFlag = 0;
+        TSvgPathDataParser::ParsePathData( aValue, iShape );
+
+        // verify path starts with move command
+        RArray<TUint32>* typeArray = iShape->PointTypeArray();
+        if ( !typeArray || ( typeArray->Count() > 0 && (*typeArray)[0] != EGfxSegMoveTo ) )
+            {
+            if ( iOwnerDocument )
+                {
+                _LIT( msg1, "Missing 'move to segment' in <path>" );
+                _LIT(msg2, "");
+                ((CSvgDocumentImpl*)iOwnerDocument)->SetError( KErrNotFound, msg1, msg2 );
+                }
+            }
+        }
+
+	if (( ((CSvgElementImpl*)iParentNode) != NULL && ((CSvgElementImpl*)iParentNode)->ElemID() == KSvgGlyphElement ) && ( aName == D) )
+	    {
+       ((CSvgElementImpl*)iParentNode)->SetAttributeL(aName,aValue);
+	    }
+
+    return KErrNone;
+    }
+
+// From MXmlElementOpt
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+TInt CSvgPathElementImpl::GetAttributeFloat( const TInt aNameId,
+                                             TFloatFixPt& aValue )
+    {
+    switch ( aNameId )
+        {
+        case KAtrRefX:
+        aValue = iShape->PointCoordsArray()[0];
+        break;
+        case KAtrRefY:
+        aValue = iShape->PointCoordsArray()[1];
+        break;
+        default:
+        return CSvgElementImpl::GetAttributeFloat( aNameId, aValue );
+        }
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+TInt CSvgPathElementImpl::GetAttributePath( const TInt aNameId,
+                                            CGfxGeneralPath*& aValue )
+    {
+    if ( aNameId == KAtrData )
+        {
+        aValue = iShape;
+        }
+    else
+        {
+        aValue = NULL;
+        return KErrNoAttribute;
+        }
+
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+TInt CSvgPathElementImpl::SetAttributePathL( const TInt aNameId,
+                                             CGfxGeneralPath* aValue )
+    {
+    if ( aNameId == KAtrData )
+        {
+        // copy aValue into iShape not just reassign pointers - that will cause memory leak
+        // copy when CGfxGeneralPath implements a copy method
+        iShape->SetPointTypeArrayL( aValue->PointTypeArray() );
+        iShape->SetPointCoordsArrayL( aValue->PointCoordsArrayAll() );
+        if( WasTurnedOff() )
+			{
+			// turn it on. this means all the required attributes Are present and
+			// hence we can render it.
+			_LIT(KInline , "inline");
+			CSvgElementImpl::SetPropertyL(KCSS_ATTR_DISPLAY, KInline);
+			SetTurnOff( EFalse );
+			}
+        
+        }
+    else
+        {
+        return KErrNoAttribute;
+        }
+
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+TInt CSvgPathElementImpl::SetAttributePathRef( const TInt aNameId,
+                                              CGfxGeneralPath*&  aValue  )
+    {
+    if ( aNameId == KAtrData )
+        {
+
+	    if(iShape)
+			{
+			delete iShape;
+			iShape= NULL;
+			}
+		iShape= aValue;
+		
+		if (( ((CSvgElementImpl*)iParentNode) != NULL && ((CSvgElementImpl*)iParentNode)->ElemID() == KSvgGlyphElement ) && ( aNameId == KAtrD) )
+		    {
+            ((CSvgElementImpl*)iParentNode)->SetPathAttribute(aNameId,aValue);
+		    }
+		
+        }
+    else
+        {
+        return KErrNoAttribute;
+        }
+
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+TBool CSvgPathElementImpl::DrawL( CGfx2dGc* aGc, CSvgElementImpl* aElement )
+    {
+    this->DrawShapeL( aGc, *iShape, aElement );
+    return ETrue;
+    }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+void CSvgPathElementImpl::ConstructL(  const TUint8 aElemID )
+    {
+    CSvgElementImpl::InitializeL( aElemID );
+
+    iSvgStyleProperties = new(ELeave) RPointerArray<CCssValue>(KCSS_MAX_ATTR);
+    User::LeaveIfError( iSvgStyleProperties->Append( NULL ) );
+    iSvgStyleProperties->Remove( 0 );
+    iSvgTransformable = CSvgTransformableImpl::NewL();
+
+    iShape = CGfxGeneralPath::NewL();
+	iReqAttrFlag=KSVG_PATH_ELEMFLAG;
+
+    }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+CSvgPathElementImpl::CSvgPathElementImpl( CSvgDocumentImpl* aDoc )
+    {
+	SetOwnerDocument(aDoc);
+    }
+
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+void CSvgPathElementImpl::GetBBox( TGfxRectangle2D& aBbox )
+    {
+
+    if (!iShape || iShape->PointTypeArray()->Count() == 0)
+    {
+    	// The D attribute has not been set yet
+    	return;
+    }
+
+    iShape->GetBounds( GetCTM(), aBbox );
+    }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+void CSvgPathElementImpl::GetUnscaledBBox( TGfxRectangle2D& aBbox )
+    {
+    	if (!iShape || iShape->PointTypeArray()->Count() == 0)
+    	{
+    	// The D attribute has not been set yet
+    	return;
+    	}
+
+    TGfxAffineTransform identityTx;
+    iShape->GetBounds( identityTx, aBbox );
+    }
+
+// ---------------------------------------------------------------------------
+// perform a deep clone of this object
+// ---------------------------------------------------------------------------
+MXmlElement* CSvgPathElementImpl::CloneL(MXmlElement* aParentElement)
+    {
+    // create new polyline
+	CSvgPathElementImpl* newElement = CSvgPathElementImpl::NewL( this->ElemID(), ((CSvgDocumentImpl*)iOwnerDocument) );
+
+	CleanupStack::PushL(newElement);
+	newElement->iParentNode = aParentElement;
+    // copy everything over
+    this->CopyL(newElement);
+	CleanupStack::Pop();
+    return newElement;
+    }
+
+// ---------------------------------------------------------------------------
+// perform a deep copy of this object
+// ---------------------------------------------------------------------------
+void CSvgPathElementImpl::CopyL( CSvgPathElementImpl* aDestElement )
+    {
+    if(aDestElement)
+	    {
+	    // copy stuff from superclass
+	    this->CSvgElementImpl::CopyL(aDestElement);
+
+	    // copy iShape
+        RArray<TUint32>* lTypes = this->iShape->PointTypeArray();
+        RArray<TFloatFixPt>* lCoords = this->iShape->PointCoordsArrayAll();
+        aDestElement->iShape->SetPointTypeArrayL(lTypes);
+        aDestElement->iShape->SetPointCoordsArrayL(lCoords);
+
+	    // copy the reference to idoc (CSvgDocumentImpl)
+	    aDestElement->iOwnerDocument = this->iOwnerDocument;
+	    }
+
+    }
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+CGfxGeneralPath* CSvgPathElementImpl::GetPathAttribute(TInt aAttributeId)
+{
+	if(aAttributeId == KAtrD)
+		{
+		return iShape;
+		}
+	return NULL;
+}
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+void CSvgPathElementImpl::SetPathAttribute(TInt aAttributeId, CGfxGeneralPath* aPathHandle)
+{
+	if(aAttributeId == KAtrD)
+		{
+		if(iShape != aPathHandle)
+			{
+			delete iShape;
+			iShape = aPathHandle;
+			}
+		}
+}
+
+void CSvgPathElementImpl::Print( TBool aIsEncodeOn )
+{
+	if (!aIsEncodeOn)
+	{
+	#ifdef _DEBUG
+	RArray<TUint32>* lTypes = this->iShape->PointTypeArray();
+	RArray<TFloatFixPt>* lCoords = this->iShape->PointCoordsArrayAll();
+
+	if (lTypes->Count() != lCoords->Count())
+	{
+		RDebug::Printf("Invalid path points and types didnt match", this);
+		return;
+	}
+
+	RDebug::Printf("<path d=\"", this);
+	
+	TInt lTypesCnt = lTypes->Count();
+	for (TInt i=0; i < lTypesCnt; i++)
+	{
+		RDebug::Printf("%c ", lTypes->operator[]( i ));
+		RDebug::Printf("%d ", (int)(lCoords->operator[]( i )));
+	}
+
+	RDebug::Printf(" z\">", this);
+
+	#endif
+	}
+}