uiacceltk/hitchcock/Client/src/alfimage.cpp
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     1 /*
       
     2 * Copyright (c) 2007 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:   Image
       
    15 *  Version     : %version: 20.1.1 %
       
    16 *
       
    17 */
       
    18 
       
    19 
       
    20 
       
    21 #include "alf/alfimage.h"
       
    22 #include <alf/alftexture.h>
       
    23 #include <alf/alfconstants.h>
       
    24 #include "alf/alfimageloaderutil.h"
       
    25 #include "alf/alftexturemanager.h"
       
    26 #include "alflogger.h"
       
    27 #include <uiacceltk/HuiUtil.h>
       
    28 
       
    29 // ======== MEMBER FUNCTIONS ========
       
    30 
       
    31 // ---------------------------------------------------------------------------
       
    32 // Default constructor
       
    33 // ---------------------------------------------------------------------------
       
    34 //
       
    35 EXPORT_C TAlfImage::TAlfImage()
       
    36     : iTexture( NULL ) 
       
    37     {
       
    38     iTl = TAlfTimedPoint(0.f, 0.f);    
       
    39     // Target set because of serverside THuiImage      
       
    40     iTl.SetTarget(0.f,0); 
       
    41 
       
    42     iBr = TAlfTimedPoint(0.f, 0.f);        
       
    43     // Target set because of serverside THuiImage      
       
    44     iBr.SetTarget(0.f,0); 
       
    45 
       
    46     InitSkinData();
       
    47     }
       
    48 
       
    49 // ---------------------------------------------------------------------------
       
    50 // Constructor with the texture
       
    51 // ---------------------------------------------------------------------------
       
    52 //
       
    53 EXPORT_C TAlfImage::TAlfImage(const CAlfTexture& aTexture, 
       
    54                        TReal32 aTlX, TReal32 aTlY,
       
    55                        TReal32 aBrX, TReal32 aBrY) __SOFTFP
       
    56     :  iTexture (&aTexture)
       
    57     {
       
    58     iTl = TAlfTimedPoint(aTlX, aTlY);    
       
    59     // Target set because of serverside THuiImage      
       
    60     iTl.SetTarget(TAlfRealPoint(aTlX,aTlY)); 
       
    61     
       
    62     iBr = TAlfTimedPoint(aBrX, aBrY);
       
    63     // Target set because of serverside THuiImage                  
       
    64     iBr.SetTarget(TAlfRealPoint(aBrX,aBrY)); 
       
    65 
       
    66     InitSkinData();
       
    67     }
       
    68 
       
    69 
       
    70 
       
    71 // ---------------------------------------------------------------------------
       
    72 // Destructor
       
    73 // ---------------------------------------------------------------------------
       
    74 //
       
    75 EXPORT_C TAlfImage::~TAlfImage()
       
    76     {
       
    77     }
       
    78 
       
    79 // ---------------------------------------------------------------------------
       
    80 // Gets the texture
       
    81 // ---------------------------------------------------------------------------
       
    82 //
       
    83 EXPORT_C const CAlfTexture& TAlfImage::Texture() const 
       
    84     {
       
    85     __ASSERT_ALWAYS( (TInt)iTexture, USER_INVARIANT());
       
    86 	return *iTexture;
       
    87     }
       
    88 
       
    89 // ---------------------------------------------------------------------------
       
    90 // Returns TL texture coordinate
       
    91 // ---------------------------------------------------------------------------
       
    92 //
       
    93 EXPORT_C TAlfRealPoint TAlfImage::TopLeft() const
       
    94     {
       
    95     TAlfRealPoint retVal;
       
    96     retVal.iX = iTl.iX.ValueNow();
       
    97     retVal.iY = iTl.iY.ValueNow();    
       
    98     return retVal;    
       
    99     }
       
   100 
       
   101 // ---------------------------------------------------------------------------
       
   102 // Returns BR texture coordinate
       
   103 // ---------------------------------------------------------------------------
       
   104 //
       
   105 EXPORT_C TAlfRealPoint TAlfImage::BottomRight() const
       
   106     {
       
   107     TAlfRealPoint retVal;
       
   108     retVal.iX = iBr.iX.ValueNow();
       
   109     retVal.iY = iBr.iY.ValueNow();    
       
   110     return retVal;            
       
   111     } 
       
   112 
       
   113 // ---------------------------------------------------------------------------
       
   114 // Returns ETrue if the texture has been set,
       
   115 // ---------------------------------------------------------------------------
       
   116 //
       
   117 EXPORT_C TBool TAlfImage::HasTexture() const
       
   118     {
       
   119     return (iTexture != NULL);        
       
   120     }
       
   121 
       
   122 // ---------------------------------------------------------------------------
       
   123 // Sets the texture
       
   124 // ---------------------------------------------------------------------------
       
   125 //
       
   126 EXPORT_C void TAlfImage::SetTexture(CAlfTexture& aTexture)
       
   127     {
       
   128     InitSkinData();
       
   129     iTexture = &aTexture;        
       
   130     }
       
   131 
       
   132 // ---------------------------------------------------------------------------
       
   133 // Moves the texture
       
   134 // ---------------------------------------------------------------------------
       
   135 //
       
   136 EXPORT_C void TAlfImage::Translate(TReal32 aDx, TReal32 aDy, TInt aTransitionTime) __SOFTFP
       
   137     {
       
   138     iTl.iX.SetTarget(iTl.iX.Target() + aDx, aTransitionTime);
       
   139     iTl.iY.SetTarget(iTl.iY.Target() + aDy, aTransitionTime);
       
   140     iBr.iX.SetTarget(iBr.iX.Target() + aDx, aTransitionTime);
       
   141     iBr.iY.SetTarget(iBr.iY.Target() + aDy, aTransitionTime);        
       
   142     }
       
   143 
       
   144 // ---------------------------------------------------------------------------
       
   145 // Scales the texture
       
   146 // ---------------------------------------------------------------------------
       
   147 //
       
   148 EXPORT_C void TAlfImage::Scale(TReal32 aScaleX, TReal32 aScaleY, TInt aTransitionTime) __SOFTFP
       
   149     {
       
   150     iTl.iX.SetTarget(iTl.iX.Target() * aScaleX, aTransitionTime);
       
   151     iTl.iY.SetTarget(iTl.iY.Target() * aScaleY, aTransitionTime);
       
   152     iBr.iX.SetTarget(iBr.iX.Target() * aScaleX, aTransitionTime);
       
   153     iBr.iY.SetTarget(iBr.iY.Target() * aScaleY, aTransitionTime);        
       
   154     }
       
   155 
       
   156 // ---------------------------------------------------------------------------
       
   157 // Sets the texture coordinates
       
   158 // ---------------------------------------------------------------------------
       
   159 //
       
   160 EXPORT_C void TAlfImage::SetTexCoords(TReal32 aTlX, TReal32 aTlY,
       
   161                                   TReal32 aBrX, TReal32 aBrY,
       
   162                                   TInt aTransitionTime) __SOFTFP
       
   163     {
       
   164     iTl.iX.SetTarget(aTlX, aTransitionTime);
       
   165     iTl.iY.SetTarget(aTlY, aTransitionTime);
       
   166     iBr.iX.SetTarget(aBrX, aTransitionTime);
       
   167     iBr.iY.SetTarget(aBrY, aTransitionTime);                
       
   168     }    
       
   169     
       
   170 // ---------------------------------------------------------------------------
       
   171 // Returns TL texture coordinates
       
   172 // ---------------------------------------------------------------------------
       
   173 //
       
   174 TAlfTimedPoint TAlfImage::TimedTopLeft() const
       
   175     {
       
   176     return iTl;    
       
   177     }
       
   178 
       
   179 // ---------------------------------------------------------------------------
       
   180 // Returns BR texture coordinates
       
   181 // ---------------------------------------------------------------------------
       
   182 //
       
   183 TAlfTimedPoint TAlfImage::TimedBottomRight() const
       
   184     {
       
   185     return iBr;            
       
   186     }
       
   187     
       
   188   
       
   189 // ---------------------------------------------------------------------------
       
   190 // Inits skin data
       
   191 // ---------------------------------------------------------------------------
       
   192 //
       
   193 void TAlfImage::InitSkinData()
       
   194     {
       
   195     TAknsItemID id;
       
   196     id.Set(0,0);
       
   197     iSkinID = id;
       
   198     iAppIconUid = TUid::Uid(0);    
       
   199     iAppIconType = EAknsAppIconTypeList;
       
   200     iPreferredSize = TSize(0,0);    
       
   201     iPreferredScaleMode = EAspectRatioPreserved;
       
   202     iFallbackFileName = NULL;
       
   203  	iFallbackBitmapId = -1;
       
   204     iFallbackMaskId = -1;
       
   205     iPreferredTextureId = KAlfAutoGeneratedTextureId;
       
   206     iPreferredTextureManager = NULL;
       
   207     iFlags = EAlfTextureFlagSkinContent;
       
   208     iSkinnableImage = EFalse;
       
   209     }
       
   210     
       
   211 // ---------------------------------------------------------------------------
       
   212 // Constructor with skin data
       
   213 // ---------------------------------------------------------------------------
       
   214 //
       
   215 EXPORT_C TAlfImage::TAlfImage(TAknsItemID aID,
       
   216                               TSize aPreferredSize,
       
   217                               TScaleMode aPreferredScaleMode, 
       
   218                               const TDesC* aFallbackFileName, 
       
   219                               TInt aFallbackBitmapId, 
       
   220                               TInt aFallbackMaskId,
       
   221                               TReal32 aTlX, TReal32 aTlY,
       
   222                               TReal32 aBrX, TReal32 aBrY,
       
   223                               TAlfTextureFlags aFlags,
       
   224                               TInt aPreferredTextureId,
       
   225                               CAlfTextureManager* aPreferredTextureManager) __SOFTFP
       
   226     {
       
   227     InitSkinData();
       
   228     iSkinnableImage = ETrue;
       
   229     
       
   230     iSkinID = aID;
       
   231     iPreferredSize = aPreferredSize;
       
   232     iPreferredScaleMode = aPreferredScaleMode;
       
   233     
       
   234     iFallbackFileName = aFallbackFileName;
       
   235     iFallbackBitmapId = aFallbackBitmapId;
       
   236     iFallbackMaskId = aFallbackMaskId;
       
   237     
       
   238     iTl = TAlfTimedPoint(aTlX, aTlY);    
       
   239     // Target set because of serverside THuiImage      
       
   240     iTl.SetTarget(TAlfRealPoint(aTlX,aTlY)); 
       
   241     
       
   242     iBr = TAlfTimedPoint(aBrX, aBrY);
       
   243     // Target set because of serverside THuiImage                  
       
   244     iBr.SetTarget(TAlfRealPoint(aBrX,aBrY)); 
       
   245 
       
   246     iFlags = aFlags;
       
   247     iPreferredTextureId = aPreferredTextureId;
       
   248     iPreferredTextureManager = aPreferredTextureManager;
       
   249     
       
   250     iTexture = NULL;
       
   251     }
       
   252 
       
   253 // ---------------------------------------------------------------------------
       
   254 // Constructor with app icon
       
   255 // ---------------------------------------------------------------------------
       
   256 //
       
   257 EXPORT_C TAlfImage::TAlfImage(TUid aAppIconUid, 
       
   258                               TAknsAppIconType aAppIconType,
       
   259                               TSize aPreferredSize,
       
   260                               TScaleMode aPreferredScaleMode, 
       
   261                               TReal32 aTlX, TReal32 aTlY,
       
   262                               TReal32 aBrX, TReal32 aBrY,
       
   263                               TAlfTextureFlags aFlags,
       
   264                               TInt aPreferredTextureId,
       
   265                               CAlfTextureManager* aPreferredTextureManager) __SOFTFP
       
   266     {
       
   267     InitSkinData();
       
   268     iSkinnableImage = ETrue;
       
   269     iAppIconUid = aAppIconUid;
       
   270     iAppIconType = aAppIconType;
       
   271     
       
   272     
       
   273     iPreferredSize = aPreferredSize;
       
   274     iPreferredScaleMode = aPreferredScaleMode;
       
   275 
       
   276     iTl = TAlfTimedPoint(aTlX, aTlY);    
       
   277     // Target set because of serverside THuiImage      
       
   278     iTl.SetTarget(TAlfRealPoint(aTlX,aTlY)); 
       
   279     
       
   280     iBr = TAlfTimedPoint(aBrX, aBrY);
       
   281     // Target set because of serverside THuiImage                  
       
   282     iBr.SetTarget(TAlfRealPoint(aBrX,aBrY)); 
       
   283 
       
   284     iFlags = aFlags;
       
   285     iPreferredTextureId = aPreferredTextureId;
       
   286     iPreferredTextureManager = aPreferredTextureManager;
       
   287     
       
   288     iTexture = NULL;
       
   289     }
       
   290 
       
   291 // ---------------------------------------------------------------------------
       
   292 // Constructor with logical name
       
   293 // ---------------------------------------------------------------------------
       
   294 //
       
   295 EXPORT_C TAlfImage::TAlfImage(const TDesC* /*aLogicalName*/,
       
   296                               TSize /*aPreferredSize*/,
       
   297                               TScaleMode /*aPreferredScaleMode*/, 
       
   298                               const TDesC* /*aFallbackFileName*/, 
       
   299                               TInt /*aFallbackBitmapId*/, 
       
   300                               TInt /*aFallbackMaskId*/,
       
   301                               TReal32 /*aTlX*/, TReal32 /*aTlY*/,
       
   302                               TReal32 /*aBrX*/, TReal32 /*aBrY*/,
       
   303                               TAlfTextureFlags /*aFlags*/,
       
   304                               TInt /*aPreferredTextureId*/,
       
   305                               CAlfTextureManager* /*aPreferredTextureManager*/) __SOFTFP
       
   306     {
       
   307     __ALFLOGSTRING( "TAlfImage::TAlfImage FUNCTIONALITY REMOVED. REFER TO ANTRIKSH PROJECT" );
       
   308     }
       
   309 
       
   310 // ---------------------------------------------------------------------------
       
   311 // Returns skin ID.
       
   312 // ---------------------------------------------------------------------------
       
   313 //
       
   314 TAknsItemID TAlfImage::SkinID() const
       
   315     {
       
   316     return iSkinID;    
       
   317     }
       
   318     
       
   319 // ---------------------------------------------------------------------------
       
   320 // Returns preferred size.
       
   321 // ---------------------------------------------------------------------------
       
   322 //
       
   323 TSize TAlfImage::PreferredSize() const
       
   324     {
       
   325     return iPreferredSize;  
       
   326     }
       
   327     
       
   328 // ---------------------------------------------------------------------------
       
   329 // Returns preferred scalemode.
       
   330 // ---------------------------------------------------------------------------
       
   331 //
       
   332 TScaleMode TAlfImage::PreferredScaleMode() const
       
   333     {
       
   334     return iPreferredScaleMode;  
       
   335     }
       
   336     
       
   337 // ---------------------------------------------------------------------------
       
   338 // Returns fallback filename
       
   339 // ---------------------------------------------------------------------------
       
   340 //
       
   341 const TDesC* TAlfImage::FallbackFileName() const
       
   342     {
       
   343     if (!iFallbackFileName)
       
   344         {
       
   345         return &KNullDesC;    
       
   346         }
       
   347     return iFallbackFileName; 
       
   348     }
       
   349     
       
   350 // ---------------------------------------------------------------------------
       
   351 // Returns fallback index
       
   352 // ---------------------------------------------------------------------------
       
   353 //
       
   354 TInt TAlfImage::FallbackBitmapId() const
       
   355     {
       
   356     return iFallbackBitmapId;  
       
   357     }
       
   358     
       
   359 // ---------------------------------------------------------------------------
       
   360 // Returns fallback index for the mask.
       
   361 // ---------------------------------------------------------------------------
       
   362 //
       
   363 TInt TAlfImage::FallbackMaskId() const
       
   364     {
       
   365     return iFallbackMaskId;  
       
   366     }
       
   367 
       
   368 // ---------------------------------------------------------------------------
       
   369 // Returns preferred texture manager
       
   370 // ---------------------------------------------------------------------------
       
   371 //
       
   372 CAlfTextureManager* TAlfImage::PreferredTextureManager() const
       
   373     {
       
   374     return iPreferredTextureManager;    
       
   375     }
       
   376 
       
   377 // ---------------------------------------------------------------------------
       
   378 // Is image from a skin?
       
   379 // ---------------------------------------------------------------------------
       
   380 //
       
   381 TBool TAlfImage::SkinnableImage() const
       
   382     {
       
   383     return iSkinnableImage;            
       
   384     }
       
   385     
       
   386 // ---------------------------------------------------------------------------
       
   387 // Returns texture flags
       
   388 // ---------------------------------------------------------------------------
       
   389 //
       
   390 TAlfTextureFlags TAlfImage::TextureFlags() const
       
   391     {
       
   392     return iFlags;        
       
   393     }
       
   394     
       
   395 // ---------------------------------------------------------------------------
       
   396 // returns preferred texture id
       
   397 // ---------------------------------------------------------------------------
       
   398 //
       
   399 TInt TAlfImage::PreferredTextureId() const
       
   400     {
       
   401     return iPreferredTextureId;    
       
   402     }
       
   403     
       
   404 // ---------------------------------------------------------------------------
       
   405 // Returns app icon UID
       
   406 // ---------------------------------------------------------------------------
       
   407 //
       
   408 TUid TAlfImage::AppIconUid() const
       
   409     {
       
   410     return iAppIconUid;    
       
   411     }
       
   412 
       
   413 // ---------------------------------------------------------------------------
       
   414 // Returns app icon type
       
   415 // ---------------------------------------------------------------------------
       
   416 //
       
   417 TAknsAppIconType TAlfImage::AppIconType() const
       
   418     {
       
   419     return iAppIconType;            
       
   420     }
       
   421