--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fontservices/textbase/sgdi/ShaperCli.cpp	Mon Jul 12 14:38:26 2010 +0800
@@ -0,0 +1,166 @@
+// Copyright (c) 2005-2010 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:
+// Contains client-side shaper functionality.
+// 
+//
+
+#include "ShapeImpl.h"
+#include "ShapeInfo.h"
+#include <textbase.h>
+#include "TextBasePanic.h"
+
+GLREF_C void TextBasePanic(TInt aError);
+
+/** Construct an RShapeInfo. */
+/** @internalComponent */
+EXPORT_C RShapeInfo::RShapeInfo()
+	: iFont(0), iHeader(0), iEndOfShapedText(-1), iContextualProcessFunc(0) {}
+
+/** Perform shaping on the text in aText between aStartOfTextToShape and
+aEndOfTextToShape, based on the script conventions implied by aScriptCode.
+@param aFont The font to use for the shaping.
+@param aText The text, including context.
+@param aStartOfTextToShape
+	The start position within aText of the text to be shaped.
+@param aEndOfTextToShape
+	The end position within aText of the text to be shaped.
+@param aScriptCode The script code for the script being shaped.
+@param aLanguageCode The language code for the language being shaped.
+@return
+	KErrNone if the text was successfully shaped, KErrNotSupported if aFont has
+	no shaper, KErrCouldNotConnect if the font bitmap server has not been
+	started.
+*/
+TInt RShapeInfo::Open(const CFont* aFont, const TDesC& aText,
+	TInt aStartOfTextToShape, TInt aEndOfTextToShape,
+	TInt aScriptCode, TInt aLanguageCode)
+	{
+	TEXTBASE_ASSERT_DEBUG(0 <= aStartOfTextToShape,
+		ETextBasePanic_InvalidInputParam);
+	TEXTBASE_ASSERT_DEBUG(aStartOfTextToShape <= aEndOfTextToShape,
+		ETextBasePanic_InvalidInputParam);
+	TEXTBASE_ASSERT_DEBUG(aEndOfTextToShape <= aText.Length(),
+		ETextBasePanic_InvalidInputParam);
+	iFont = aFont;
+	TFontShapeFunctionParameters param;
+	param.iText = &aText;
+	param.iStart = aStartOfTextToShape;
+	param.iEnd = aEndOfTextToShape;
+	param.iScript = aScriptCode;
+	param.iLanguage = aLanguageCode;
+	const TInt r = aFont->ExtendedFunction(KFontGetShaping, &param);
+	iHeader = r == KErrNone ? param.iShapeHeaderOutput : 0;
+	if(iHeader)
+		iEndOfShapedText = aEndOfTextToShape;
+	return r;
+	}
+
+/** Frees the memory associated with this shaping information. */
+/** @internalComponent */
+EXPORT_C void RShapeInfo::Close()
+	{
+	if (iHeader)
+		{
+		TFontShapeDeleteFunctionParameters param;
+		param.iShapeHeader = iHeader;
+		iFont->ExtendedFunction(KFontDeleteShaping, &param);
+		iHeader = NULL;
+		iEndOfShapedText = -1;
+		// We don't reset iSingleContextChar because we want the context to remain throughout,
+		// even when the session is closed. It would eventually simply go out of scope.
+		}
+	}
+
+/** Returns the number of glyphs in the shaped output.
+@return The number of glyphs. Also equal to the size of the Glyphs() array and
+the GlyphPositions() array. */
+TInt RShapeInfo::GlyphCount() const
+	{
+	TEXTBASE_ASSERT_ALWAYS(iHeader, ETextBasePanic_Invariant);
+	return iHeader->iGlyphCount;
+	}
+
+/** Returns the array of glyphs. These must be ORed with 0x80000000 to make
+glyph numbers that functions like CFbsFont::Rasterize can accept to avoid
+confusing glyph numbers with Unicode character numbers.
+@return The glyph array. The size of this array is RShapeInfo::GlyphCount
+@see GlyphCount */
+const TInt32* RShapeInfo::Glyphs() const
+	{
+	TEXTBASE_ASSERT_ALWAYS(iHeader, ETextBasePanic_Invariant);
+	return reinterpret_cast<const TInt32*>(iHeader->iBuffer);
+	}
+
+/** Returns the array of positions for the glyphs returned by Glyphs, and the
+total advance for the text.
+@return
+	Array of glyph positions in pixels, relative to the pen position before
+	the glyphs are drawn. The array has GlyphCount() + 1 entries, as the
+	last entry represents the total advance of the text. */
+const RShapeInfo::TPoint16* RShapeInfo::GlyphPositions() const
+	{
+	TEXTBASE_ASSERT_ALWAYS(iHeader, ETextBasePanic_Invariant);
+	return reinterpret_cast<const RShapeInfo::TPoint16*>(iHeader->iBuffer
+		+ ((iHeader->iGlyphCount) << 2));
+	}
+
+/** Returns the pen advance these glyphs require.
+@return The pen advance; where to move the pen after drawing all the glyphs. */
+RShapeInfo::TPoint16 RShapeInfo::Advance() const
+	{
+	TEXTBASE_ASSERT_ALWAYS(iHeader, ETextBasePanic_Invariant);
+	RShapeInfo::TPoint16 r;
+	r.iX = *reinterpret_cast<const TInt16*>(iHeader->iBuffer
+		+ (iHeader->iGlyphCount << 3));
+	r.iY = *reinterpret_cast<const TInt16*>(iHeader->iBuffer
+		+ (iHeader->iGlyphCount << 3) + 2);
+	return r;
+	}
+
+/** Returns the array of indices.
+@return
+	Indices[n] is the position in the input text that produced Glyphs[n].
+*/
+const TInt16* RShapeInfo::Indices() const
+	{
+	TEXTBASE_ASSERT_ALWAYS(iHeader, ETextBasePanic_Invariant);
+	return reinterpret_cast<const TInt16*>(iHeader->iBuffer
+		+ (iHeader->iGlyphCount << 3) + 4);
+	}
+	
+TInt RShapeInfo::EndOfShapedText()
+	{
+	return iEndOfShapedText;
+	}
+
+/** Checks if this shaping information is still occupying memory. */
+EXPORT_C TBool RShapeInfo::IsOpen()
+	{
+	if(iHeader && iHeader->iGlyphCount >= 0 && iHeader->iCharacterCount >=0)
+		return ETrue;
+	else
+		return EFalse;
+		
+	}
+
+void RShapeInfo::SetContext(TAny* aContextualProcessFunc)
+	{
+	iContextualProcessFunc = aContextualProcessFunc;
+	}
+	
+TAny* RShapeInfo::GetContext()
+	{
+	return iContextualProcessFunc;
+	}
+