--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/textrendering/textformatting/tagma/TmHighlightSource.h	Tue Feb 02 02:02:46 2010 +0200
@@ -0,0 +1,84 @@
+/*
+* Copyright (c) 2001-2009 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 "TAGMA.H"
+#include "TmTextDrawExt.h"
+
+#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS
+#include "TAGMA_INTERNAL.H"
+#endif
+
+/**
+ * MTmSource decorator that can draw text in the appropriate highlight colors.
+ * The text must already be on the screen before this is drawn over it.
+ * @since 7.0
+ * @internalComponent
+ */
+NONSHARABLE_CLASS(TTmHighlightSource) : public MTmSource
+	{
+public:
+	TTmHighlightSource(MTmSource& aDelegate);
+	/** returns EFalse if the selection foreground and background colors are the same */
+	inline TBool HighlightVisible() {return 0xFFFFFF & (iForeground.Value() ^ iBackground.Value());}
+	void DrawBackground(CGraphicsContext& aGc,
+		const TPoint& aTextLayoutTopLeft, const TRect& aRect,
+		const TLogicalRgb& aBackground, TRect& aRectDrawn) const;
+	void DrawLineGraphics(CGraphicsContext& aGc,
+		const TPoint& aTextLayoutTopLeft, const TRect& aRect,
+		const TTmLineInfo& aLineInfo) const;
+	void DrawText(CGraphicsContext& aGc,
+		const TPoint& aTextLayoutTopLeft, const TRect& aRect,
+		const TTmLineInfo& aLineInfo, const TTmCharFormat& aFormat,
+		const TDesC& aText, const TInt aStart, const TInt aEnd, const TPoint& aTextOrigin, TInt aExtraPixels) const;
+	void DrawPicture(CGraphicsContext& aGc,
+		const TPoint& aTopLeft, const TRect& aRect,
+		MGraphicsDeviceMap& aDevice, const CPicture& aPicture) const;
+	// MTmSource functions: just pass through
+	MGraphicsDeviceMap& FormatDevice() const;
+	MGraphicsDeviceMap& InterpretDevice() const;
+	TInt DocumentLength() const;
+	void GetText(TInt aPos,TPtrC& aText,TTmCharFormat& aFormat) const;
+	void GetParagraphFormatL(TInt aPos,RTmParFormat& aFormat) const;
+	TInt ParagraphStart(TInt aPos) const;
+	CPicture* PictureL(TInt aPos) const;
+	TInt GetPictureSizeInTwipsL(TInt aPos,TSize& aSize) const;
+	TBool PageBreakInRange(TInt aStartPos,TInt aEndPos) const;
+	TAny* GetExtendedInterface(const TUid& aInterfaceId);
+
+private:
+	/**
+	 * Colour to draw the text in
+	 * @internalComponent
+	 */
+	TRgb iForeground;
+	/**
+	 * Colour to draw the background in
+	 * @internalComponent
+	 */
+	TRgb iBackground;
+	/**
+	 * Colour to blend the pictures with
+	 * @internalComponent
+	 */
+	TRgb iXorPictures;
+	MTmSource& iDelegate;
+	MTmTextDrawExt* iTmTextDrawExt;//The implementation of MTmTextDrawExt interface will be
+								   //used and it will replace all CGraphicsContext::Draw<Item> calls.
+	TTmTextDrawExt	iTmTextDrawExtDefault;//The default implementation of MTmTextDrawExt
+	};
+