svgtopt/SVG/SVGEngine/src/SvgBitmapFontProvider.cpp
changeset 46 88edb906c587
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-1:000000000000 46:88edb906c587
       
     1 /*
       
     2 * Copyright (c) 2003 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:  SVG Implementation header file
       
    15  *
       
    16 */
       
    17 
       
    18 
       
    19 #include "SvgBitmapFontProvider.h"
       
    20 
       
    21 
       
    22 // ---------------------------------------------------------------------------
       
    23 // Two phase constructor for this class
       
    24 // 
       
    25 // ---------------------------------------------------------------------------
       
    26 CSvgBitmapFontProvider* CSvgBitmapFontProvider::NewL( const TFontSpec& aFontSpec )
       
    27     {
       
    28     CSvgBitmapFontProvider* self = NewLC( aFontSpec );
       
    29     CleanupStack::Pop();
       
    30     return self;
       
    31     }
       
    32 
       
    33 
       
    34 // --------------------------------------------------------------------------
       
    35 // CSvgBitmapFontProvider* CSvgBitmapFontProvider::NewLC()
       
    36 // ---------------------------------------------------------------------------
       
    37 CSvgBitmapFontProvider* CSvgBitmapFontProvider::NewLC( const TFontSpec& aFontSpec )
       
    38     {
       
    39     CSvgBitmapFontProvider* self  = new ( ELeave ) CSvgBitmapFontProvider( aFontSpec );
       
    40     CleanupStack::PushL( self );
       
    41     self->ConstructL();
       
    42     return self;
       
    43     }
       
    44 
       
    45 
       
    46 //----------------------------------------------------------------------------
       
    47 // First Step of two phase construction for this class
       
    48 //----------------------------------------------------------------------------
       
    49 CSvgBitmapFontProvider::CSvgBitmapFontProvider( const TFontSpec& aFontSpec ):
       
    50                                                           iTypeFaceStore(NULL),
       
    51                                                           iFontSpec(aFontSpec)
       
    52 	{
       
    53 	
       
    54 	}
       
    55 
       
    56 // --------------------------------------------------------------------------
       
    57 // CSvgBitmapFontProvider::ConstructL()
       
    58 // ---------------------------------------------------------------------------
       
    59 void CSvgBitmapFontProvider::ConstructL()
       
    60     {
       
    61     	iTypeFaceStore = CFbsTypefaceStore::NewL(NULL);
       
    62     }
       
    63 
       
    64 // --------------------------------------------------------------------------
       
    65 // CSvgBitmapFontProvider::ConstructL()
       
    66 // ---------------------------------------------------------------------------
       
    67 CSvgBitmapFontProvider::~CSvgBitmapFontProvider()
       
    68 	{
       
    69 			delete iTypeFaceStore ;				
       
    70 	}
       
    71 
       
    72 // --------------------------------------------------------------------------
       
    73 // CSvgBitmapFontProvider::ReleaseFont(CFont* aFont)
       
    74 // ---------------------------------------------------------------------------
       
    75 void CSvgBitmapFontProvider::ReleaseFont(CFont* aFont)
       
    76 {
       
    77 	iTypeFaceStore->ReleaseFont(aFont);
       
    78 }
       
    79 
       
    80 // --------------------------------------------------------------------------
       
    81 // CSvgBitmapFontProvider::GetNearestFontToDesignHeightInTwips(CFont* aFont, TFontSpec aFontSpec)
       
    82 // ---------------------------------------------------------------------------
       
    83 TInt CSvgBitmapFontProvider::GetNearestFontToDesignHeightInTwips(CFont*& aFont, TFontSpec aFontSpec)
       
    84 {
       
    85     TName fontTypefaceName(aFontSpec.iTypeface.iName);
       
    86     
       
    87 	TInt matchLength = fontTypefaceName.Length();                                
       
    88                                 
       
    89     TInt typefaceCount = iTypeFaceStore->NumTypefaces();
       
    90     TTypefaceSupport typefaceSupport;
       
    91     
       
    92     TInt i;
       
    93     for(i=0; i<typefaceCount; i++)
       
    94         {
       
    95         iTypeFaceStore->TypefaceSupport(typefaceSupport, i);
       
    96         TInt findResult = typefaceSupport.iTypeface.iName.Find(fontTypefaceName.Ptr(), matchLength);
       
    97         if(!findResult)
       
    98             {
       
    99             fontTypefaceName = typefaceSupport.iTypeface.iName;
       
   100             break;
       
   101             }
       
   102         }
       
   103         
       
   104     //If the element typeface couldn't find && didn't set the typeface name.
       
   105     if(( i == typefaceCount) && (iFontSpec.iTypeface.iName.Length()))
       
   106         {
       
   107         fontTypefaceName = iFontSpec.iTypeface.iName;
       
   108         }
       
   109 
       
   110     aFontSpec.iTypeface.iName = fontTypefaceName;        
       
   111 	return iTypeFaceStore->GetNearestFontToDesignHeightInTwips(aFont, aFontSpec);
       
   112 }
       
   113