--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/svgtopt/SVG/SVGImpl/src/SVGStopElementImpl.cpp	Thu Jan 07 16:19:02 2010 +0200
@@ -0,0 +1,332 @@
+/*
+* 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
+ *
+*/
+
+
+#include "SvgStopElementImpl.h"
+#include "SVGDocumentImpl.h"
+#include "SVGGradientElementImpl.h"
+#include "SVGIntCssValueImpl.h"
+
+_LIT(OFFSET, "offset");
+_LIT(STOPOPACITY, "stop-opacity");
+_LIT(INHERIT, "inherit");
+_LIT(STOPCOLOR, "stop-color");
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+CSvgStopElementImpl* CSvgStopElementImpl::NewL(const TUint8 aElemID,
+											   CSvgDocumentImpl* aDoc )
+	{
+    CSvgStopElementImpl *self = new (ELeave) CSvgStopElementImpl(aDoc);
+    CleanupStack::PushL(self);
+    self->ConstructL(aElemID);
+    CleanupStack::Pop(self);
+    return self;
+	}
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+void CSvgStopElementImpl::ConstructL(const TUint8 aElemID)
+	{
+    CSvgElementImpl::InitializeL( aElemID );
+     iSvgStyleProperties = new(ELeave) RPointerArray<CCssValue>(KCSS_MAX_ATTR);
+     User::LeaveIfError( iSvgStyleProperties->Append( NULL ) );
+     iSvgStyleProperties->Remove( 0 );
+
+
+   	}
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+CSvgStopElementImpl::CSvgStopElementImpl( CSvgDocumentImpl* aDoc ):
+	iOffset(-1),// This implies that offset value is yet to be initialized.
+	iStopOpacity(1),
+	iStopColor(0),
+
+	iValidOffsetValue(ETrue)
+	{
+	SetOwnerDocument(aDoc);
+	}
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+TInt CSvgStopElementImpl::GetAttributeFloat(const TInt aNameId, TFloatFixPt& aValue)
+{
+	switch(aNameId)
+	{
+	case KAtrOffset:
+		aValue= iOffset;
+		break;
+	case KAtrStopOpacity:
+		aValue = iStopOpacity;
+		break;
+	default:
+		CSvgElementImpl::GetAttributeFloat(aNameId,aValue);
+		break;
+	}
+
+    return 0;
+
+}
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+TInt CSvgStopElementImpl::SetAttributeFloatL(const TInt aNameId,const TFloatFixPt aValue)
+{
+	switch(aNameId)
+	{
+	case KAtrOffset:
+		iOffset= aValue;
+		
+		// Adjust the value of offset
+		if(((((CSvgElementImpl*)ParentNode())->ElemID()) == KSvgRadialGradientElement) ||
+			((((CSvgElementImpl*)ParentNode())->ElemID()) == KSvgLinearGradientElement))
+		   {
+		   CSvgGradientElementImpl *parent = ((CSvgGradientElementImpl *)ParentNode());
+		    
+		    if(parent)
+		       {
+		       parent->UpdateOffsetValues((CSvgStopElementImpl*)this);
+		       }
+		   }
+		
+		break;
+	case KAtrStopOpacity:
+		iStopOpacity= aValue;
+		break;
+
+	default:
+		CSvgElementImpl::SetAttributeFloatL(aNameId,aValue);
+		break;
+	}
+
+    return 0;
+
+}
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+TInt CSvgStopElementImpl::GetAttributeIntL( const TInt aNameId, TInt32& aValue )
+{
+	switch(aNameId)
+	{
+		case KAtrStopColor:
+		aValue = iStopColor;
+		break;
+		default:
+			CSvgElementImpl::GetAttributeIntL(  aNameId, aValue );
+			break;
+	}
+	return 0;
+}
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+TInt CSvgStopElementImpl::SetAttributeIntL( const TInt aNameId,
+                                        const TInt32 aValue )
+{
+	switch(aNameId)
+	{
+	case KAtrStopColor:
+		{
+		iStopColor = (TUint32)aValue;
+		}
+		break;
+	default:
+		 CSvgElementImpl::SetAttributeIntL( aNameId,
+                                         aValue );
+		 break;
+	}
+	return 0;
+}
+
+TBool CSvgStopElementImpl::IsValidValue(const TDesC& aValue)
+{
+    TBool lValidValue = ETrue;
+	// aValue can only contain these characters "-+.%0123456789", If it contains any thing
+	// other than this it should be treated as 0.
+	
+	_LIT(KValidChars,"-+.%0123456789");
+	TBufC<14> lValidChars(KValidChars);
+		
+	TInt llength = aValue.Length();
+		
+	for( int charpos = 0 ; charpos < llength; charpos++ )
+	{
+		if( lValidChars.Locate(aValue[charpos]) == KErrNotFound )
+		{
+			
+			lValidValue = EFalse;
+			break;
+		}
+	}
+	
+	return lValidValue;
+}
+
+TBool CSvgStopElementImpl::IsValidElement() const
+{
+	return iValidOffsetValue;
+}
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+TInt CSvgStopElementImpl::SetAttributeL(const TDesC &aName, const TDesC &aValue)
+	{
+	CSvgElementImpl::SetAttributeL(aName,aValue);
+	TFloatFixPt KZero(KFloatFixZero);
+    TFloatFixPt KOne( KFloatFixOne );
+
+    if(aName == OFFSET)
+		{
+		iValidOffsetValue = IsValidValue(aValue);
+			
+		if( iValidOffsetValue  )
+		   {
+		   iOffset=TFloatFixPt::ConvertString(aValue); 
+		        
+		   if (aValue.Locate('%') != KErrNotFound)
+		       {
+		 	   iOffset = iOffset / TFloatFixPt(100);
+		       }
+		    
+		    // Finally if the iOffset value is lesser than 0, it should be made to 0.
+		    if( iOffset < KZero )
+			   {
+			   iOffset = KZero ;
+			   }
+			else if( iOffset > KOne )
+			   {
+			   iOffset = KOne ;
+			   }
+		   }
+		 else
+		   {
+		   // aValue contains invalid characters hence "0" is assigned to it.
+		   // Any stop element with wrong offset value should not be considered while 
+		   // rendereing and the effect should be as if no stop-offset is declared.
+		   iOffset = KZero;
+		   }
+		 
+		}
+    else if(aName == STOPOPACITY)
+        {
+
+        if(aValue == INHERIT)
+            {
+            // inherit does not make any sense since the stop-opacity is
+            //specific to stop element only and a stop element can not have another stop element as
+            //its child.
+            iStopOpacity = KOne;
+            }
+        else
+            {
+            if( IsValidValue(aValue) )
+            {
+    #ifdef SVG_FLOAT_BUILD
+            iStopOpacity = TFloatFixPt::ConvertString (aValue);
+
+            if (!(iStopOpacity >= TFloatFixPt(0) && iStopOpacity <= TFloatFixPt(1)))
+    #else
+            if ( TFloatFixPt::ConvertString (aValue, iStopOpacity ) != KErrNone )
+    #endif
+                {
+                iStopOpacity = KOne;
+                }
+            else
+                {
+                if (aValue.Locate('%') != KErrNotFound)
+                    {
+                    //if stop opacity was listed as a percentage
+                    iStopOpacity = iStopOpacity / TFloatFixPt(100);
+                    }
+
+                if ( iStopOpacity < KZero )
+                    iStopOpacity = KZero;
+                else if ( iStopOpacity > KOne )
+                    iStopOpacity = KOne;
+                }
+            }
+                else
+                {
+                	iStopOpacity = KOne;
+                }	
+			}
+		}
+    else if (aName == STOPCOLOR)
+		{
+        TUint32 tempVal;
+
+        TSvgColor tColor(KGfxColorNull);
+		if( tColor.GetStringL( aValue,tempVal) )
+			{
+
+            }
+        else
+        	{
+			tempVal = 0;
+			}
+        iStopColor=tempVal;
+		}
+
+    return 0;
+
+}
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+CSvgStopElementImpl::~CSvgStopElementImpl()
+	{
+	if ( iSvgStyleProperties )
+		{
+		iSvgStyleProperties->Close();
+		delete iSvgStyleProperties;
+		iSvgStyleProperties = NULL;
+		}
+	}
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+void CSvgStopElementImpl::SetStopColorL(TUint32 &aVal)
+	{
+	iStopColor= aVal;
+	}
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+void CSvgStopElementImpl::Print( TBool aIsEncodeOn )
+{
+	if (!aIsEncodeOn)
+	{
+		#ifdef _DEBUG
+		RDebug::Printf("<stop stop-color=\"hmmm\" stop-opacity=\"%d\" offset=\"%d\" />",
+		/*iStopColor,*/ (int)iStopOpacity, (int)iOffset );
+		#endif
+	}
+}
+