diff -r 969102054596 -r 414d4b727fd9 graphicsdeviceinterface/gdi/sgdi/TFSTORE.CPP
--- a/graphicsdeviceinterface/gdi/sgdi/TFSTORE.CPP	Wed Aug 25 08:17:25 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,307 +0,0 @@
-// Copyright (c) 1998-2009 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:
-//
-
-#include <gdi.h>
-#include "GDIPANIC.h"
-
-_LIT(KCTypefaceStore, "CTypefaceStore");
-static const TInt KDefaultNumOfFontAccess = 4;
-
-//
-// CTypefaceStore
-//
-
-EXPORT_C CTypefaceStore::CTypefaceStore()
-	{
-	}
-
-
-EXPORT_C CTypefaceStore::~CTypefaceStore()
-/** Destroys the typeface store and reclaims the memory allocated to it. */
-	{
-	if (iFontAccess)
-		{
-		const TInt count = iFontAccess->Count();
-		for (TInt i = 0; i < count; i++)
-			{
-			GDI_ASSERT_DEBUG_GENERAL((*iFontAccess)[0].iAccessCount > 0, User::Panic(KCTypefaceStore, KErrCorrupt));
-			GDI_ASSERT_DEBUG_GENERAL((*iFontAccess)[0].iAccessCount == 1, User::Panic(KCTypefaceStore, KErrInUse));
-			delete (*iFontAccess)[0].iFont;
-			iFontAccess->Delete(0);
-			}
-		delete iFontAccess;
-		}
-	}
-
-EXPORT_C void CTypefaceStore::ConstructL()
-/** Second phase constructor. */
-	{
-	iFontAccess = new(ELeave) CArrayFixFlat<TFontAccess>(KDefaultNumOfFontAccess);
-	}
-
-EXPORT_C void CTypefaceStore::AddFontL(CFont* aFont)
-/** Adds a hold, by a client of the typeface store, on the specified font.
-
-If the specified font is not currently accessed by any clients of the typeface store
-then the font is added to the font list and the access count set to 1.
-If it is currently accessed then the access count for the font is incremented by 1.
-
-@param aFont Pointer to the device specific font accessed. */
-	{
-	GDI_ASSERT_DEBUG_GENERAL(NULL != iFontAccess, User::Panic(KCTypefaceStore, KErrNoMemory));
-	if (IncrementFontCount(aFont))
-		return;
-	TFontAccess fontAccess;
-	fontAccess.iAccessCount = 1;
-	fontAccess.iFont = aFont;
-	iFontAccess->AppendL(fontAccess);
-	}
-
-EXPORT_C void CTypefaceStore::ReleaseFont(CFont* aFont)
-/** Releases the hold of a typeface store client on a specified font.
-
-Decrements the access-count for the specified font by one. If this reduces the access-count 
-to zero then the font is no longer needed by any client, and is deleted from 
-the typeface store list.
-
-@param aFont The font to be released by the client. */
-	{
-	
-	GDI_ASSERT_DEBUG_GENERAL(NULL != iFontAccess, User::Panic(KCTypefaceStore, KErrNoMemory));
-	if (!aFont)
-		return;
-	TInt idx = 0;
-	GDI_ASSERT_ALWAYS_GENERAL(FindFont(aFont, idx), User::Panic(KCTypefaceStore, KErrNotFound));
-	GDI_ASSERT_DEBUG_GENERAL(0 < iFontAccess->At(idx).iAccessCount, User::Panic(KCTypefaceStore, KErrCorrupt));
-	iFontAccess->At(idx).iAccessCount--;
-	if (0 == iFontAccess->At(idx).iAccessCount)
-		{
-		CFont *font=iFontAccess->At(idx).iFont;
-		iFontAccess->Delete(idx);
-		delete font;
-		}
-	}
-
-EXPORT_C TBool CTypefaceStore::IncrementFontCount(const CFont* aFont)
-/**
-Search for the font in iFontAccess and increment its count.
-@param aFont Font to search for.
-@return ETrue if the specified font is found, EFalse otherwise.
-*/
-	{
-	TInt idx = 0;
-	if (FindFont(aFont, idx))
-		{
-		iFontAccess->At(idx).iAccessCount++;
-		return ETrue;
-		}
-	return EFalse;
-	}
-
-TBool CTypefaceStore::FindFont(const CFont* aFont, TInt& aIdx) const
-/**
-Search for the font in iFontAccess.
-@param aFont Font to search for.
-@param aIdx Index of the font found.
-@return ETrue if the specified font is found, EFalse with aIdx = -1 otherwise.
-*/
-	{
-	aIdx = -1;
-	if (!iFontAccess)
-		return EFalse;
-	const TInt count = iFontAccess->Count();
-	for (TInt i = 0; i < count; i++)
-		{
-		if ((*iFontAccess)[i].iFont == aFont)
-			{
-			aIdx = i;
-			return ETrue;
-			}
-		}
-	return EFalse;
-	}
-
-EXPORT_C TInt CTypefaceStore::BaselineOffset(TInt aHeight,TFontPrintPosition aPos)
-/** Gets the baseline offset, in twips, for any font in subscript or superscript 
-form.
-
-If the print position is normal then zero is returned. If it is superscript 
-then the baseline offset returned is a percentage, KSuperscriptOffsetPercentage, 
-of aHeight. If it is subscript then the baseline offset returned is a percentage, 
-KSubscriptOffsetPercentage, of aHeight.
-
-@param aHeight The height of a font. 
-@param aPos The print position of the required font: superscript, subscript 
-or normal. 
-@return The baseline offset for the font. */
-	{
-	TInt offset=0;
-	if (aPos==EPrintPosSuperscript)
-		offset=KSuperscriptOffsetPercentage*aHeight/100;
-	else if (aPos==EPrintPosSubscript)
-		offset=KSubscriptOffsetPercentage*aHeight/100;
-	return offset;
-	}
-	 
- 
-EXPORT_C TInt CTypefaceStore::SuperSubHeight(TInt aHeight,TFontPrintPosition aPos)
-/** Gets the height for a font in subscript or superscript form. 
-
-If the print position is normal then aHeight is returned unchanged. If it 
-is superscript or subscript then the height returned is a percentage, KSuperSubScalingPercentage, 
-of aHeight.
-
-@param aHeight The height of a font. 
-@param aPos The print position of the font: superscript, subscript or normal.
-@return The required height of the font. */
-	{
-	if(aPos!=EPrintPosNormal)
-		aHeight=(KSuperSubScalingPercentage*aHeight)/100;
-	return aHeight;
-	}
-
-//
-// CFontCache
-//
- 
-EXPORT_C CFontCache::CFontCache():
-	CBase(),
-	iMaxEntries(KMaxFontCacheEntries)
-/** Default constructor.
-
-This constructs a CFontCache of size KMaxFontCacheEntries. */
-	{
-	__DECLARE_NAME(_S("CFontCache"));
-	}
- 
-EXPORT_C CFontCache::CFontCache(TInt aMaxEntries):
-	CBase(),
-	iMaxEntries(aMaxEntries)
-/** Constructor specifying the number of cache entries.
-
-@param aMaxEntries Number of entries for this cache. You must ensure this 
-is less than or equal to KMaxFontCacheEntries. */
-	{
-	__DECLARE_NAME(_S("CFontCache"));
-	}
-
- 
-EXPORT_C CFontCache::~CFontCache()
-/** Destructor. 
-
-This destroys the cashe and releases its allocated memory. */
-	{
-	CFontCacheEntry* entry=iFirst;
-	while(entry)
-		{
-		iFirst=entry->iNext;
-		delete entry;
-		entry=iFirst;
-		}
-	}
-
- 
-EXPORT_C CFont* CFontCache::Search(const TFontSpec& aFontSpec)
-/** Searches the cache for a specified font. 
-
-The CFont returned is that which corresponds to the font specification aFontSpec.
-
-@param aFontSpec The specification of the font to be searched for. 
-@return If an entry for the font specification is found in the cache, the pointer 
-to the font corresponding to the font specification is returned. Otherwise 
-NULL is returned. */
-	{
-	CFontCacheEntry* entry=iFirst;
-	CFontCacheEntry* previous=NULL;
-	while(entry)
-		{
-		if(entry->iSpec==aFontSpec)
-			{
-			iNumHits++;
-			if(previous)
-				{
-				previous->iNext=entry->iNext;
-				entry->iNext=iFirst;
-				iFirst=entry;
-				}
-			return(entry->iFont);
-			}
-		previous=entry;
-		entry=entry->iNext;
-		}
-	iNumMisses++;
-	return(NULL);
-	}
-
- 
-EXPORT_C CFont* CFontCache::AddEntryL(CFont* aFont,const TFontSpec& aFontSpec)
-/** Adds a font entry to the cache. 
-
-The font, and the font specification required to extract it from the cache, 
-are both specified. If the cache is already full, the font replaces the oldest 
-entry already in the cache, which is returned.
-
-@param aFont The font to be stored in the cache. 
-@param aFontSpec The font's corresponding font specification. 
-@return If the cache isn't full, NULL is returned. If the cache is full, the 
-displaced cache entry is returned. */
-	{
-	CFontCacheEntry* entry=new(ELeave) CFontCacheEntry(aFont,aFontSpec,iFirst);
-	iFirst=entry;
-	iNumEntries++;
-	if(iNumEntries<=iMaxEntries)
-		return(NULL);
-	CFontCacheEntry* previous=NULL;
-	while(entry->iNext)
-		{
-		previous=entry;
-		entry=entry->iNext;
-		}
-	CFont* discardfont=entry->iFont;
-	delete entry;
-	iNumEntries--;
-	if(previous)
-		previous->iNext=NULL;
-	else
-		iFirst=NULL;
-	return(discardfont);
-	}
-
- 
-EXPORT_C CFont* CFontCache::RemoveFirstEntry()
-/** Removes the first entry from the font cache and returns it.
-
-@return The entry removed from the font cache. If the cache is empty, NULL 
-is returned. */
-	{
-	if(iFirst==NULL) return(NULL);
-	CFontCacheEntry* entry=iFirst;
-	iFirst=entry->iNext;
-	CFont* font=entry->iFont;
-	delete entry;
-	iNumEntries--;
-	return(font);
-	}
-
-// CFontCacheEntry
-
-CFontCache::CFontCacheEntry::CFontCacheEntry(CFont* aFont,const TFontSpec& aFontSpec,CFontCacheEntry* aNext):
-	CBase(),
-	iFont(aFont),
-	iSpec(aFontSpec),
-	iNext(aNext)
-	{
-	__DECLARE_NAME(_S("CFontCacheEntry"));
-	}