fbs/fontandbitmapserver/tfbs/glyphatlastestwrapper.cpp
changeset 187 9f66f99ee56f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fbs/fontandbitmapserver/tfbs/glyphatlastestwrapper.cpp	Fri Sep 24 16:14:28 2010 +0300
@@ -0,0 +1,167 @@
+// Copyright (c) 2009-2010 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:
+//
+
+/**
+ @file
+ @internalComponent - Internal Symbian test code
+*/
+
+#include "glyphatlastestwrapper.h"
+
+/**
+Panic function required for glyphatlas.cpp to compile in the test project.
+*/
+GLDEF_C void Panic(TFbsPanic aPanic)
+	{
+	_LIT(KFBSERVClientPanicCategory,"FBSCLI");
+	User::Panic(KFBSERVClientPanicCategory,aPanic);
+	}
+
+
+/**
+Glyph Atlas test wrapper constructor.
+*/
+CGlyphAtlasTestWrapper::CGlyphAtlasTestWrapper()
+	{
+	}
+
+/**
+Two-phase constructor.
+@leave A system wide error code if RSgDriver failed to open.
+*/
+void CGlyphAtlasTestWrapper::ConstructL(TInt aMaxCacheSizeInBytes)
+	{
+	iAtlas = CGlyphAtlas::NewL(aMaxCacheSizeInBytes);
+	}
+
+/**
+Factory constructor method. Creates a new glyph atlas test wrapper.
+
+@param aMaxCacheSizeInBytes The size in bytes, to use as the upper limit
+	for the size of memory used by the glyph images in the atlas. If this
+	value is KGlyphAtlasNoCacheLimit, then there is no limit and the atlas
+	will use as much memory as is available in the system.
+
+@return A pointer to the newly-constructed atlas test wrapper
+
+@leave KErrNoMemory if there was insufficient memory to create the atlas, 
+	or a system wide error code if its RSgDriver failed to open.
+*/
+CGlyphAtlasTestWrapper* CGlyphAtlasTestWrapper::NewL(TInt aMaxCacheSizeInBytes)
+    {
+    CGlyphAtlasTestWrapper* self = CGlyphAtlasTestWrapper::NewLC( aMaxCacheSizeInBytes );
+    CleanupStack::Pop(); // self;
+
+    return self;
+    }
+
+CGlyphAtlasTestWrapper* CGlyphAtlasTestWrapper::NewLC(TInt aMaxCacheSizeInBytes)
+    {
+    CGlyphAtlasTestWrapper* self = new (ELeave) CGlyphAtlasTestWrapper();
+    CleanupStack::PushL(self);
+    self->ConstructL(aMaxCacheSizeInBytes);
+
+    return self;
+    }
+
+TInt CGlyphAtlasTestWrapper::GetGlyph(const CBitmapFont& aFont, TUint aGlyphCode, TGlyphImageInfo& aGlyphImageInfo)
+	{
+	return iAtlas->GetGlyph(aFont, aGlyphCode, aGlyphImageInfo);
+	}
+
+TInt CGlyphAtlasTestWrapper::AddGlyph(const CBitmapFont& aFont, const CGlyphAtlas::TAddGlyphArgs& aArgs, TGlyphImageInfo& aGlyphImageInfo)
+	{
+	return iAtlas->AddGlyph(aFont, aArgs, aGlyphImageInfo);
+	}
+
+void CGlyphAtlasTestWrapper::FontReleased(const CBitmapFont& aFont)
+	{
+	iAtlas->FontReleased(aFont);
+	}
+
+/**
+Returns the current size of the glyph image memory used by the atlas in bytes.
+*/
+TInt CGlyphAtlasTestWrapper::SizeInBytes() const
+	{
+	return iAtlas->iCacheSizeInBytes;
+	}
+
+/**
+Tests whether the least recently used page contains the given glyph.
+@param aGlyphCode The glyph code to match.
+@return ETrue if the lru page contains the given glyph, EFalse if not.
+*/
+TBool CGlyphAtlasTestWrapper::LruPageContainsGlyph(TUint aGlyphCode) const
+	{
+	CGlyphAtlasPage* page = iAtlas->iLruPageList.Last();
+	TInt numGlyphsInPage = page->GlyphCount();
+	TBool glyphFound = EFalse;
+	for (TInt ii = 0; ii < numGlyphsInPage && !glyphFound; ++ii)
+		{
+		glyphFound = (aGlyphCode == page->GlyphCodeAt(ii));
+		}
+	return glyphFound;
+	}
+
+/**
+Returns the number of glyphs associated to the given font in the atlas.
+*/
+TInt CGlyphAtlasTestWrapper::GlyphCountByFont(const CBitmapFont* aFont)
+	{
+	TInt glyphCount = 0;
+	TDblQueIter<CGlyphAtlasPage> iter(iAtlas->iLruPageList);
+	CGlyphAtlasPage* page;
+	while((page=iter++) != NULL)
+		{
+		if (&page->FontEntry().Font() == aFont)
+			{
+			glyphCount += page->GlyphCount();
+			}
+		}
+	return glyphCount;
+	}
+
+/**
+Returns the number of glyphs in the atlas.
+*/
+TInt CGlyphAtlasTestWrapper::GlyphCount()
+	{
+	TInt glyphCount = 0;
+	TDblQueIter<CGlyphAtlasPage> iter(iAtlas->iLruPageList);
+	CGlyphAtlasPage* page;
+	while((page=iter++) != NULL)
+		{
+		glyphCount += page->GlyphCount();
+		}
+	return glyphCount;
+	}
+
+/**
+Returns the number of fonts in the atlas.
+*/
+TInt CGlyphAtlasTestWrapper::FontCount() const
+	{
+	return iAtlas->iFontEntryArray.Count();
+	}
+
+/**
+Glyph Atlas test wrapper destructor.
+*/
+CGlyphAtlasTestWrapper::~CGlyphAtlasTestWrapper()
+	{
+	delete iAtlas;
+	}
+