--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/svgtopt/gfx2d/inc/GfxGeneralPath.h Wed Nov 03 18:56:10 2010 +0200
@@ -0,0 +1,371 @@
+/*
+* Copyright (c) 2002 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: Graphics Extension Library header file
+*
+*/
+
+
+#ifndef GFXGENERALPATH_H
+#define GFXGENERALPATH_H
+
+#include <e32base.h>
+#include <e32std.h>
+
+#include "GfxFloatFixPt.h"
+#include "GfxShape.h"
+#include "GfxAffineTransform.h"
+#include "GfxRectangle2D.h"
+#include "GfxPoint2D.h"
+#include "GfxPathIterator.h"
+
+#include <VG/openvg.h>
+
+
+/**
+ * Implementation of a path.
+ *
+ * @lib Gfx2D.lib
+ * @since 1.0
+ */
+
+class CGfxGeneralPath : public CBase, public MGfxShape
+ {
+ public:
+ /**
+ * Two-phase constructor.
+ *
+ * @since 1.0
+ * @return
+ */
+ static CGfxGeneralPath* NewL();
+
+ /**
+ * Two-phase constructor.
+ *
+ * @since 1.0
+ * @return
+ */
+ static CGfxGeneralPath* NewLC();
+
+ /**
+ * Destructor.
+ *
+ * @since 1.0
+ * @return
+ */
+ virtual ~CGfxGeneralPath();
+
+ /**
+ * Signal end of path to connect starting point to ending point.
+ *
+ * @since 1.0
+ * @return
+ */
+ void ClosePathL();
+
+ void RemoveLastPathCommand();
+
+ /**
+ * Add a cubic curve.
+ *
+ * @since 1.0
+ * @param aX1 : x coordinate for control point 1.
+ * @param aY1 : y coordinate for control point 1.
+ * @param aX2 : x coordinate for control point 2.
+ * @param aY2 : y coordinate for control point 2.
+ * @param aX3 : x coordinate for control point 3.
+ * @param aY3 : y coordinate for control point 3.
+ * @param aAbsolute : flag to indicate values are absolute or not.
+ * @return
+ */
+ void CubicToL( TFloatFixPt& aX1,
+ TFloatFixPt& aY1,
+ TFloatFixPt& aX2,
+ TFloatFixPt& aY2,
+ TFloatFixPt& aX3,
+ TFloatFixPt& aY3,
+ TBool aAbsolute );
+
+ /**
+ * Add a line.
+ *
+ * @since 1.0
+ * @param aX1 : x coordinate of line end point.
+ * @param aY1 : y coordinate of line end point.
+ * @param aAbsolute : flag to indicate values are absolute or not.
+ * @return
+ */
+ void LineToL( TFloatFixPt& aX,
+ TFloatFixPt& aY,
+ TBool aAbsolute );
+
+ /**
+ * Start a new sub-path at the given location.
+ *
+ * @since 1.0
+ * @param aX1 : x coordinate of new location.
+ * @param aY1 : y coordinate of new location.
+ * @param aAbsolute : flag to indicate values are absolute or not.
+ * @return
+ */
+ void MoveToL( TFloatFixPt& aX,
+ TFloatFixPt& aY,
+ TBool aAbsolute );
+
+ /**
+ * Add a quadratic curve.
+ *
+ * @since 1.0
+ * @param aX1 : x coordinate for control point 1.
+ * @param aY1 : y coordinate for control point 1.
+ * @param aX2 : x coordinate for control point 2.
+ * @param aY2 : y coordinate for control point 2.
+ * @param aAbsolute : flag to indicate values are absolute or not.
+ * @return
+ */
+ void QuadToL( TFloatFixPt& aX1,
+ TFloatFixPt& aY1,
+ TFloatFixPt& aX2,
+ TFloatFixPt& aY2,
+ TBool aAbsolute );
+
+ /**
+ * Add a horizontal line from the current location.
+ *
+ * @since 1.0
+ * @param aX : x coordinate for ending point.
+ * @param aAbsolute : flag to indicate values are absolute or not.
+ * @return
+ */
+ void HorizonToL( TFloatFixPt& aX,
+ TBool aAbsolute );
+
+ /**
+ * Add a vertical line from the current location.
+ *
+ * @since 1.0
+ * @param aY : y coordinate for ending point.
+ * @param aAbsolute : flag to indicate values are absolute or not.
+ * @return
+ */
+ void VertToL( TFloatFixPt& aY,
+ TBool aAbsolute );
+
+ /**
+ * Add a cubic curve, using the current location as the
+ * first control point.
+ *
+ * @since 1.0
+ * @param aX2 : x coordinate for control point 2.
+ * @param aY2 : y coordinate for control point 2.
+ * @param aX3 : x coordinate for control point 3.
+ * @param aY3 : y coordinate for control point 3.
+ * @param aAbsolute : flag to indicate values are absolute or not.
+ * @return
+ */
+ void ShortCubicToL( TFloatFixPt& aX2,
+ TFloatFixPt& aY2,
+ TFloatFixPt& aX3,
+ TFloatFixPt& aY3,
+ TBool aAbsolute );
+ /**
+ * Add a quadratic curve, using the current location as the
+ * first control point.
+ *
+ * @since 1.0
+ * @param aX2 : x coordinate for control point 2.
+ * @param aY2 : y coordinate for control point 2.
+ * @param aAbsolute : flag to indicate values are absolute or not.
+ * @return
+ */
+ void ShortQuadToL( TFloatFixPt& aX2,
+ TFloatFixPt& aY2,
+ TBool aAbsolute );
+
+
+
+ /**
+ * Clear all path info.
+ *
+ * @since 1.0
+ * @return
+ */
+ void Reset();
+
+ /**
+ * Append the given points to this path.
+ *
+ * @since 1.0
+ * @param aItr : points to append.
+ * @return
+ */
+ void AppendL( CGfxPathIterator* aItr );
+
+
+ // Implementation of MGfxShape
+
+ /**
+ * Get the bounding box for this path.
+ *
+ * @since 1.0
+ * @param aAt : transform to apply.
+ * @param aRect : bounding box info holder.
+ * @return
+ */
+ void GetBounds( const TGfxAffineTransform& aAt,
+ TGfxRectangle2D& aRect );
+
+ /**
+ * Get the iterator for this path.
+ *
+ * @since 1.0
+ * @param aAt : transform to apply.
+ * @param aPitr : iterator info for this path.
+ * @return
+ */
+ void GetPathIteratorL( TGfxAffineTransform* aAt,
+ CGfxPathIterator*& aPitr );
+
+ /**
+ * Get the iterator for this path.
+ *
+ * @since 1.0
+ * @param aAt : transform to apply.
+ * @param aLimit : maximum number of points to define path.
+ * @param aPitr : iterator info for this path.
+ * @return
+ */
+ void GetPathIteratorL( TGfxAffineTransform* aAt,
+ TInt aLimit,
+ CGfxPathIterator*& aPitr );
+ /**
+ * Get the area for this path.
+ *
+ * @since 1.0
+ * @return area of path.
+ */
+ TFloatFixPt AreaSize();
+
+ /**
+ * Get the pointer to the type array.
+ *
+ * @since 1.0
+ * @return type info array pointer
+ */
+ RArray<TUint32>* PointTypeArray();
+ unsigned char* PathSegmentTypeArray();
+ void PathSegmentTypeArray(unsigned char* aSegmentTypeArray);
+ TUint8 CGfxGeneralPath::Count();
+ void CGfxGeneralPath::Count(TUint8 aCount);
+
+ /**
+ * Get the pointer to the coordinate array.
+ *
+ * @since 1.0
+ * @return coordinate array.
+ */
+ TFloatFixPt* PointCoordsArray();
+
+ /**
+ * Get the pointer to the type array.
+ *
+ * @since 1.0
+ * @return type info array pointer
+ */
+ RArray<TFloatFixPt>* PointCoordsArrayAll();
+
+ /**
+ * Set the pointer to the type array.
+ *
+ * @since 1.0
+ * @param aTypesArray : type info array pointer
+ * @return
+ */
+ void SetPointTypeArrayL( RArray<TUint32>* aTypesArray );
+
+ // used in decoding to avoid local copying
+ void SetPointTypeArrayRef( RArray<TUint32>*& aTypesArray );
+
+ /**
+ * Set the pointer to the coordinate array.
+ *
+ * @since 1.0
+ * @param aPointCoords : coordinate array.
+ * @return
+ */
+ void SetPointCoordsArrayL( RArray<TFloatFixPt>* aPointCoords );
+
+ // used in decoding to avoid local copying
+ void SetPointCoordsArrayRef( RArray<TFloatFixPt>*& aPointCoords );
+
+
+ /* Return shape type */
+ inline virtual TInt ShapeType () { return EPath; };
+
+ /* gives the total number of segments in the path elementL */
+ TInt GetSegmentCount();
+
+ /* gives the segmentType in the path elementL */
+ TInt GetSegmentType(TInt aSegmentIndex );
+
+ /* gives the */
+ TReal32 GetSegmentParameter(TInt aSegmentIndex ,TInt aParameterIndex);
+ void IsHorizontalLineOrVertical(TInt aSegmentIndex, TBool& aHorizontal, TBool& aVertical);
+
+ CGfxGeneralPath* CloneL();
+ void QuadToLWithNoControlPoint(TFloatFixPt aX, TFloatFixPt aY);
+
+ protected:
+
+ /**
+ * Constructor
+ *
+ * @since 1.0
+ * @return
+ */
+ CGfxGeneralPath();
+
+ /**
+ * Second phase of construction.
+ *
+ * @since 1.0
+ * @return
+ */
+ void ConstructL();
+
+
+ /**
+ * Get the curve reference point for this last curve.
+ *
+ * @since 1.0
+ * @param aX : storage for x coordinate of reference point.
+ * @param aY : storage for y coordinate of reference point.
+ * @return
+ */
+ void GetCurveRefPoint( TFloatFixPt& aX, TFloatFixPt& aY );
+
+ protected:
+ RArray<TUint32>* iPointTypes;
+ unsigned char* iPathSegmentTypeArray;
+ TUint8 iCount;
+ RArray<TFloatFixPt>* iPointCoords;
+
+ TFloatFixPt iLastX;
+ TFloatFixPt iLastY;
+
+ private:
+ friend class CGfxGeneralPathIteratorP;
+ };
+
+#endif // GFXGENERALPATH_H