uiaccelerator_plat/alf_visual_api/inc/alf/alfframebrush.h
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     1 /*
       
     2 * Copyright (c) 2006 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:   Frame brush definition
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 #ifndef C_ALFFRAMEBRUSH_H
       
    21 #define C_ALFFRAMEBRUSH_H
       
    22 
       
    23 #include <AknsItemID.h>
       
    24 #include <alf/alfbrush.h>
       
    25 
       
    26 struct TAlfXYMetric;
       
    27 class TAlfImage;
       
    28 
       
    29 /**
       
    30  * Frame brush.
       
    31  * FrameBrush draws a 1-part or 9-part frame around a visual using bitmaps provided by the
       
    32  * theme. The constructor takes a theme item identifier as a parameter. The bitmaps are rasterized
       
    33  * when CAlfFrameBrush::SetFrameRects() is called. 
       
    34  * Develper must call this method and specify the dimensions of the frame before the frame can be drawn.
       
    35  * 
       
    36  *  Usage:
       
    37  *  @code
       
    38  *  //Create framebrush instance
       
    39  *  CAlfFrameBrush* frameBrush = CAlfFrameBrush::NewL( *iEnv, *image, TAlfXYMetric( TAlfMetric( 5 ) ) );
       
    40  * 
       
    41  *  //Create rect to set for framebrush
       
    42  *  TRect innerRect( TPoint( 10, 10 ), TPoint( 20, 20 ) );
       
    43  *  TRect outerRect( TPoint( 0, 0 ), TPoint( 30, 30 ) );
       
    44  * 
       
    45  *  //Set dimentions for framebrush
       
    46  * 	frameBrush->SetFrameRects( innerRect, outerRect );
       
    47  * 
       
    48  *  @endcode
       
    49  *  @lib alfclient.lib
       
    50  *  @since S60 v3.2
       
    51  */
       
    52 
       
    53 NONSHARABLE_CLASS( CAlfFrameBrush ): public CAlfBrush
       
    54     {
       
    55 public:
       
    56 
       
    57     enum TFrameParts
       
    58         {
       
    59         EFramePartCornerTl = 0,
       
    60         EFramePartCornerTr,
       
    61         EFramePartCornerBl, 
       
    62         EFramePartCornerBr,
       
    63         EFramePartSideT,
       
    64         EFramePartSideB,
       
    65         EFramePartSideL,
       
    66         EFramePartSideR,
       
    67         EFramePartCenter
       
    68         };
       
    69 
       
    70     /**
       
    71      * Constructor. 
       
    72      * @param aEnv Environmnet
       
    73      * @param aImage Image for the frame. Image will be used as such, 
       
    74      * framerects (if set) are ignored.
       
    75      * @param aEdgeOffset Coordinates of the offset in metric units.
       
    76      * @return New instance. Onwership tranferred to the caller.
       
    77      */
       
    78     IMPORT_C static CAlfFrameBrush* NewL(CAlfEnv& aEnv, const TAlfImage& aImage, const TAlfXYMetric& aEdgeOffset);
       
    79     
       
    80     /**
       
    81      * Constructor. The new brush is left on the cleanup stack.
       
    82      * @param aEnv Environmnet
       
    83      * @param aImage Image for the frame. Image will be used as such, 
       
    84      * framerects (if set) are ignored.
       
    85      * @param aEdgeOffset Coordinates of the offset in metric units.
       
    86      * @return New instance. Onwership tranferred to the caller.
       
    87      */
       
    88     IMPORT_C static CAlfFrameBrush* NewLC(CAlfEnv& aEnv, const TAlfImage& aImage, const TAlfXYMetric& aEdgeOffset);
       
    89 
       
    90     /**
       
    91      * Constructor. 
       
    92      * @param aEnv Environmnet
       
    93      * @param aIID Skin ID for the frame.
       
    94      * @param aEdgeOffset Coordinates of the offset in metric units.
       
    95      * @return New instance. Onwership tranferred to the caller.
       
    96      */
       
    97     IMPORT_C static CAlfFrameBrush* NewL(CAlfEnv& aEnv, const TAknsItemID& aIID, const TAlfXYMetric& aEdgeOffset);
       
    98     
       
    99     /**
       
   100      * Constructor. The new brush is left on the cleanup stack.
       
   101      * @param aEnv Environmnet
       
   102      * @param aIID Skin ID for the frame.
       
   103      * @param aEdgeOffset Coordinates of the offset in metric units.
       
   104      * @return New instance. Onwership tranferred to the caller.
       
   105      */
       
   106     IMPORT_C static CAlfFrameBrush* NewLC(CAlfEnv& aEnv, const TAknsItemID& aIID, const TAlfXYMetric& aEdgeOffset);
       
   107 
       
   108     /**
       
   109      * Constructor. 
       
   110      * @deprecated
       
   111      * @param aIID Skin ID for the frame.
       
   112      * @param aEdgeOffsetX X coordinate of the offset in pixels.
       
   113      * @param aEdgeOffsetY Y coordinate of the offset in pixels.
       
   114      * @return New instance. Onwership tranferred to the caller.
       
   115      */
       
   116     IMPORT_C static CAlfFrameBrush* NewL(CAlfEnv& aEnv, const TAknsItemID& aIID, TInt aEdgeOffsetX = 0, TInt aEdgeOffsetY = 0);
       
   117     
       
   118     /**
       
   119      * Constructor. The new brush is left on the cleanup stack.
       
   120      * @deprecated
       
   121      * @param aIID Skin ID for the frame.
       
   122      * @param aEdgeOffsetX X coordinate of the offset in pixels.
       
   123      * @param aEdgeOffsetY Y coordinate of the offset in pixels.
       
   124      * @return New instance. Onwership tranferred to the caller.
       
   125      */
       
   126     IMPORT_C static CAlfFrameBrush* NewLC(CAlfEnv& aEnv, const TAknsItemID& aIID, TInt aEdgeOffsetX = 0, TInt aEdgeOffsetY = 0);
       
   127         
       
   128     /**
       
   129      * Sets frame rects.
       
   130      * @param aInnerRect Inner rect of the frame
       
   131      * @param aOuterRect Outer rect of the frame
       
   132      */
       
   133     IMPORT_C void SetFrameRectsL(const TRect& aInnerRect, const TRect& aOuterRect);
       
   134 
       
   135     /**
       
   136      * Sets edge offset.
       
   137      * @param aEdgeOffset Coordinates of the offset in metric units.
       
   138      */
       
   139     IMPORT_C void SetEdgeOffset(const TAlfXYMetric& aEdgeOffset);
       
   140 
       
   141     /**
       
   142      * Sets whole frame image. Image will be used as such, framerects (if set) are ignored.
       
   143      * @param aImage Image for the frame.
       
   144      */
       
   145     IMPORT_C void SetImage(const TAlfImage& aImage);
       
   146 
       
   147     /**
       
   148      * Sets framepart image. Whole frame will be constrcuted from 9 parts, each part has
       
   149      * to be set separately using this method. Genrally using 9-piece frame is not as
       
   150      * efficient as 1-pice frame, so this method should be used only when really needed.
       
   151      * @param aFramePart Frame part to which the image is intended.
       
   152      * @param aImage Image for the frame part.
       
   153      */
       
   154     IMPORT_C void SetImage(TFrameParts aFramePart, const TAlfImage& aImage);
       
   155 
       
   156     /**
       
   157      * Destructor. 
       
   158      */
       
   159     virtual ~CAlfFrameBrush();
       
   160 
       
   161 private:
       
   162 
       
   163     CAlfFrameBrush(const TAknsItemID& aIID, TInt aEdgeOffsetX, TInt aEdgeOffsetY);
       
   164 
       
   165     CAlfFrameBrush(const TAknsItemID& aIID, const TAlfXYMetric& aEdgeOffset);
       
   166    
       
   167     CAlfFrameBrush();
       
   168    
       
   169     void ConstructL(CAlfEnv& aEnv, const TAknsItemID& aIID, TInt aEdgeOffsetX, TInt aEdgeOffsetY);
       
   170 
       
   171     void ConstructL(CAlfEnv& aEnv, const TAknsItemID& aIID, const TAlfXYMetric& aEdgeOffset);
       
   172 
       
   173     void ConstructL(CAlfEnv& aEnv, const TAlfImage& aImage, const TAlfXYMetric& aEdgeOffset);
       
   174 
       
   175 private:
       
   176 
       
   177     // Private data. Owned.
       
   178     struct TFrameBrushPrivateData;
       
   179     TFrameBrushPrivateData* iFrameBrushData;
       
   180     };
       
   181 
       
   182 #endif