svgtopt/SVG/SVGImpl/src/SVGCircleElementImpl.cpp
changeset 0 d46562c3d99d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/svgtopt/SVG/SVGImpl/src/SVGCircleElementImpl.cpp	Thu Jan 07 16:19:02 2010 +0200
@@ -0,0 +1,373 @@
+/*
+* 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 "SVGCircleElementImpl.h"
+#include "SVGElementImpl.h"
+#include "SVGDocumentImpl.h"
+#include "SVGSchemaData.h"
+
+#include "GfxAffineTransform.h"
+
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+CSvgCircleElementImpl* CSvgCircleElementImpl::NewL(  const TUint8 aElemID,
+                                                    CSvgDocumentImpl* aDoc )
+    {
+    CSvgCircleElementImpl*  self    = new ( ELeave )
+                                      CSvgCircleElementImpl( aDoc );
+    CleanupStack::PushL( self );
+    self->ConstructL( aElemID );
+    CleanupStack::Pop();
+
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+CSvgCircleElementImpl* CSvgCircleElementImpl::NewLC(  const TUint8 aElemID,
+                                                     CSvgDocumentImpl* aDoc )
+    {
+    CSvgCircleElementImpl*  self    = new ( ELeave )
+                                      CSvgCircleElementImpl( aDoc );
+    CleanupStack::PushL( self );
+    self->ConstructL(  aElemID );
+
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+void CSvgCircleElementImpl::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();
+
+	iReqAttrFlag=KSVG_CIRCLE_ELEMFLAG;
+
+    }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+CSvgCircleElementImpl::~CSvgCircleElementImpl()
+    {
+
+	if ( iSvgStyleProperties )
+		{
+		iSvgStyleProperties->Close();
+		delete iSvgStyleProperties;
+		iSvgStyleProperties = NULL;
+		}
+    }
+
+// *******************************************************
+// From SVG DOM
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+TFloatFixPt CSvgCircleElementImpl::Cx()
+    {
+	#ifdef SVG_FLOAT_BUILD
+		return iCircle.iX + (iCircle.iWidth * TFloatFixPt( 0.5f ) );
+	#else
+	return iCircle.iX + (iCircle.iWidth >> 1);
+	#endif
+
+    }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+
+TFloatFixPt CSvgCircleElementImpl::Cy()
+    {
+	#ifdef SVG_FLOAT_BUILD
+    return iCircle.iY + (iCircle.iHeight * .5f);
+	#else
+    return iCircle.iY + (iCircle.iHeight >> 1);
+	#endif
+    }
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+
+TFloatFixPt CSvgCircleElementImpl::R()
+    {
+	#ifdef SVG_FLOAT_BUILD
+    return iCircle.iWidth * .5f;
+	#else
+    return iCircle.iWidth >> 1;
+	#endif
+    }
+
+// *******************************************************
+// SVG Implementation
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+
+void CSvgCircleElementImpl::SetCx( TFloatFixPt aCx )
+    {
+	#ifdef SVG_FLOAT_BUILD
+    iCircle.iX = aCx - (iCircle.iWidth * .5f);
+	#else
+    iCircle.iX = aCx - (iCircle.iWidth >> 1);
+	#endif
+    }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+
+void CSvgCircleElementImpl::SetCy( TFloatFixPt aCy )
+    {
+	#ifdef SVG_FLOAT_BUILD
+    iCircle.iY = aCy - (iCircle.iHeight * .5f);
+	#else
+    iCircle.iY = aCy - (iCircle.iHeight >> 1);
+	#endif
+
+    }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+
+void CSvgCircleElementImpl::SetR( TFloatFixPt aR )
+    {
+	#ifdef SVG_FLOAT_BUILD
+    if (aR < TFloatFixPt(0))
+        {
+        aR = 0;
+        }
+    iCircle.iX += (iCircle.iWidth * TFloatFixPt(.5f)) - aR;
+    iCircle.iWidth = aR * TFloatFixPt(2.0f);
+    // Both x and width will be changed.
+    iCircle.iY += (iCircle.iHeight * TFloatFixPt(.5f)) - aR;
+    iCircle.iHeight = aR * TFloatFixPt(2.0f);
+	#else
+    if (aR < TFloatFixPt(0, ETrue))
+        {
+        aR = TFloatFixPt(0, ETrue);
+        }
+    iCircle.iX += (iCircle.iWidth >> 1) - aR;
+    iCircle.iWidth = aR << 1;
+    // Both x and width will be changed.
+    iCircle.iY += (iCircle.iHeight >> 1) - aR;
+    iCircle.iHeight = aR << 1;
+	#endif
+
+    }
+
+// *******************************************************
+// From MXmlElement
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+TInt CSvgCircleElementImpl::SetAttributeL( const TDesC& aName,
+                                           const TDesC& aValue )
+    {
+	CSvgElementImpl::SetAttributeL(aName,aValue);
+    return KErrNone;
+    }
+
+
+// From MXmlElementOpt
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+TInt CSvgCircleElementImpl::GetAttributeFloat( const TInt aNameId,
+                                               TFloatFixPt& aValue )
+    {
+    switch ( aNameId )
+        {
+        case KAtrCx:
+        case KAtrRefX:
+        aValue = Cx();
+        break;
+        case KAtrCy:
+        case KAtrRefY:
+        aValue = Cy();
+        break;
+        case KAtrRadius:
+        aValue = R();
+        break;
+        default:
+        return CSvgElementImpl::GetAttributeFloat( aNameId, aValue );
+        }
+
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+TInt CSvgCircleElementImpl::SetAttributeFloatL( const TInt aNameId,
+                                                const TFloatFixPt aValue )
+    {
+    switch ( aNameId )
+        {
+        case KAtrCx:
+        SetCx( aValue );
+        break;
+        case KAtrCy:
+        SetCy( aValue );
+        break;
+        case KAtrRadius:
+		SetR( aValue );
+		iReqAttrFlag = 0;
+		if ( WasTurnedOff() )
+        {
+        _LIT(KInline , "inline");
+        // turn it on. this means all the required attributes Are present and
+        // hence we can render it.
+        CSvgElementImpl::SetPropertyL(KCSS_ATTR_DISPLAY, KInline);
+        SetTurnOff( EFalse );
+        }
+		break;
+        default:
+        return CSvgElementImpl::SetAttributeFloatL( aNameId, aValue );
+        }
+    return KErrNone;
+    }
+
+// *******************************************************
+// From CSvgElementImpl
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+TBool CSvgCircleElementImpl::DrawL( CGfx2dGc* aGc, CSvgElementImpl* aElement )
+    {
+	TFloatFixPt lValue;
+	this->GetAttributeFloat(KAtrRadius,lValue);
+	if (lValue.iValue <= 0)
+		{
+		return ETrue;
+		}
+    this->DrawShapeL( aGc, iCircle, aElement );
+    return ETrue;
+    }
+
+// *******************************************************
+// Private
+
+
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+
+CSvgCircleElementImpl::CSvgCircleElementImpl( CSvgDocumentImpl* aDoc ) : iCircle( 0,
+                                                                                  0,
+                                                                                  0,
+                                                                                  0 )
+    {
+	SetOwnerDocument(aDoc);
+    }
+
+
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+void CSvgCircleElementImpl::GetBBox( TGfxRectangle2D& aBbox )
+    {
+    iCircle.GetBounds( GetCTM(), aBbox );
+    }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+void CSvgCircleElementImpl::GetUnscaledBBox( TGfxRectangle2D& aBbox )
+    {
+    TGfxAffineTransform identityTx;
+    iCircle.GetBounds( identityTx, aBbox );
+    }
+
+// perform a deep clone of this object
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+MXmlElement* CSvgCircleElementImpl::CloneL(MXmlElement* aParentElement)
+    {
+
+	CSvgCircleElementImpl* newElement = CSvgCircleElementImpl::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 CSvgCircleElementImpl::CopyL( CSvgCircleElementImpl* aDestElement )
+    {
+   if(aDestElement)
+	   	{
+	    // copy iCircle items special to circle
+	    aDestElement->iCircle.iX = this->iCircle.iX;
+	    aDestElement->iCircle.iY = this->iCircle.iY;
+	    aDestElement->iCircle.iWidth = this->iCircle.iWidth;
+	    aDestElement->iCircle.iHeight = this->iCircle.iHeight;
+
+	    // copy the reference to idoc (CSvgDocumentImpl)
+
+	    aDestElement->iOwnerDocument = this->iOwnerDocument;
+
+		// copy stuff from superclass
+	    this->CSvgElementImpl::CopyL(aDestElement);
+	    }
+
+    }
+
+void CSvgCircleElementImpl::Print( TBool aIsEncodeOn )
+{
+	if (!aIsEncodeOn)
+	{
+		#ifdef _DEBUG
+		RDebug::Printf("<circle x=\"%d\" y=\"%d\" width=\"%d\" height=\"%d\">", (int)iCircle.iX, (int)iCircle.iY, (int)iCircle.iWidth, (int)iCircle.iHeight);
+		#endif
+	}
+}