1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/graphics/graphicsdeviceinterface/gdi/inc/ShapeImpl.h Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,86 @@
1.4 +// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +//
1.18 +
1.19 +#ifndef SHAPEIMPL_H_
1.20 +#define SHAPEIMPL_H_
1.21 +
1.22 +#include <e32cmn.h>
1.23 +
1.24 +/**@file
1.25 +@internalTechnology
1.26 +*/
1.27 +
1.28 +class CFont;
1.29 +class TDesC16;
1.30 +
1.31 +const TUid KFontGetShaping = {0x10274246};
1.32 +const TUid KFontDeleteShaping = {0x102744D7};
1.33 +
1.34 +/** Internal class describing shaping information. */
1.35 +class TShapeHeader
1.36 + {
1.37 +public:
1.38 + /** Number of glyphs output. */
1.39 + TInt iGlyphCount;
1.40 + /** Number of characters consumed from the input. */
1.41 + TInt iCharacterCount;
1.42 + /** Reserved for future expansion. */
1.43 + TInt iReserved0;
1.44 + /** Reserved for future expansion. */
1.45 + TInt iReserved1;
1.46 + /** The glyph, position and indices data.
1.47 +
1.48 + The first iGlyphCount * 4 bytes contain the glyph codes
1.49 + as 2-byte values. The next iGlyphCount * 4 + 4 bytes contain the
1.50 + positions in which these glyphs are to be drawn, in pixels, taking
1.51 + the original pen position as origin, with the x axis going right and
1.52 + the y axis going down. The next iGlyphCount * 2 bytes contain the
1.53 + indices of the characters in the input string that correspond to the
1.54 + glyphs in the output.
1.55 +
1.56 + The final entry in the position array is the total advance of the text.
1.57 +
1.58 + Therefore this buffer is actually iGlyphCount * 10 + 4 bytes long. */
1.59 + TInt8 iBuffer[1];
1.60 + };
1.61 +
1.62 +/** For CFont::ExtendedFunctions aParam argument, with KFontGetShaping
1.63 +function ID. */
1.64 +class TFontShapeFunctionParameters
1.65 + {
1.66 +public:
1.67 + /** The text, including context. */
1.68 + const TDesC16* iText;
1.69 + /** The start of the meat within iText. */
1.70 + TInt iStart;
1.71 + /** The end of the meat within iText. */
1.72 + TInt iEnd;
1.73 + /** Script code. */
1.74 + TInt iScript;
1.75 + /** Language code. 0 for default. */
1.76 + TInt iLanguage;
1.77 + /** Output from the shaper; a TShapeHeader on the shared heap. */
1.78 + const TShapeHeader* iShapeHeaderOutput;
1.79 + };
1.80 +
1.81 +/** For CFont::ExtendedFunctions aParam argument, with KFontDeleteShaping
1.82 +function ID. */
1.83 +class TFontShapeDeleteFunctionParameters
1.84 + {
1.85 +public:
1.86 + const TShapeHeader* iShapeHeader;
1.87 + };
1.88 +
1.89 +#endif