1 /*

     2 * Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Graphics Extension Library header file

    15 *

    16 */

    17 

    18 

    19 #ifndef CGFXGENERALPATHITERATORP

    20 #define CGFXGENERALPATHITERATORP

    21 

    22 #include <e32std.h>

    23 #include <e32base.h>

    24 

    25 #include "GfxFloatFixPt.h"

    26 #include "GfxPathIterator.h"

    27 #include "GfxAffineTransform.h"

    28 #include "GfxPoint2D.h"

    29 

    30 

    31 

    32 class CGfxGeneralPath;

    33 

    34 

    35 /**

    36  * This class provides the methods to cycle through points in a path.

    37  *

    38  *  @lib Gfx2D.lib

    39  *  @since 1.0

    40  */

    41 class CGfxGeneralPathIteratorP : public CGfxPathIterator

    42     {

    43     public:

    44 

    45         /**

    46          * Contructor.

    47          *

    48          * @since 1.0

    49          * @param aPath : path to cycle through.

    50          * @param aTransform : transform to apply.

    51          * @return

    52          */

    53                         CGfxGeneralPathIteratorP( CGfxGeneralPath* aPath,

    54                                                           TGfxAffineTransform* aTransform );

    55 

    56         /**

    57          * Destructor.

    58          *

    59          * @since 1.0

    60          * @return

    61          */

    62                         ~CGfxGeneralPathIteratorP();

    63 

    64         // implementation of CGfxPathIterator

    65 

    66         /**

    67          * Get the point defining the current segment.

    68          *

    69          * @since 1.0

    70          * @param aCoords : storage for points.

    71          * @return segment type.

    72          */

    73          TGfxSegType    CurrentSegment( TFloatFixPt* aCoords );

    74 

    75         /**

    76          * Determine if end of iterator has been reached.

    77          *

    78          * @since 1.0

    79          * @return true, if iterator reached end.

    80          */

    81          TBool          IsDone();

    82 

    83         /**

    84          * Cycle to the next segment of the path.

    85          *

    86          * @since 1.0

    87          * @return

    88          */

    89          void           NextL();

    90 

    91 

    92 

    93     private:

    94         TInt32                  iTypeIdx;

    95         TInt32                  iPointIdx;

    96         CGfxGeneralPath*        iPath;

    97 

    98 

    99 

   100         TGfxPoint2D             iStartPoint;

   101     };

   102 

   103 #endif      // CGFXGENERALPATHITERATORP