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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
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#ifndef _TEXTLAYOUT_DRAWHELPER_HXX
#define _TEXTLAYOUT_DRAWHELPER_HXX

#include <boost/shared_ptr.hpp>

#include <com/sun/star/uno/Sequence.hxx>
#include <com/sun/star/rendering/StringContext.hpp>
#include <com/sun/star/rendering/XCanvasFont.hpp>
#include <com/sun/star/geometry/Matrix2D.hpp>
#include <com/sun/star/rendering/XGraphicDevice.hpp>

#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/vector/b2isize.hxx>

class ::com::sun::star::rendering::XCanvasFont;

namespace Gdiplus { class Graphics; }

namespace dxcanvas
{
	struct Bitmap;
	class TextLayoutDrawHelper
	{
	public:
		TextLayoutDrawHelper(
			const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >& xGraphicDevice);
		~TextLayoutDrawHelper();

		// draw text
		void drawText( const boost::shared_ptr<Gdiplus::Graphics>&          rGraphics,
                       const ::com::sun::star::rendering::ViewState& 		rViewState,
                       const ::com::sun::star::rendering::RenderState& 		rRenderState,
                       const ::basegfx::B2ISize& 							rOutputOffset,
                       const ::com::sun::star::rendering::StringContext& 	rText,
                       const ::com::sun::star::uno::Sequence< double >& 	rLogicalAdvancements,
                       const ::com::sun::star::uno::Reference<
                       		::com::sun::star::rendering::XCanvasFont >& 	rCanvasFont,
                       const ::com::sun::star::geometry::Matrix2D& 			rFontMatrix,
                       bool                                                 bAlphaSurface,
                       sal_Int8		                                        nTextDirection);

        ::com::sun::star::geometry::RealRectangle2D queryTextBounds(
			const ::com::sun::star::rendering::StringContext& 	rText,
            const ::com::sun::star::uno::Sequence< double >& 	rLogicalAdvancements,
            const ::com::sun::star::uno::Reference<
	            ::com::sun::star::rendering::XCanvasFont >&		rCanvasFont,
              const ::com::sun::star::geometry::Matrix2D& 		rFontMatrix,
              sal_Int8		                                    nTextDirection );

#ifdef DBG_UTIL
		void test();
#endif

    protected:
		::com::sun::star::uno::Reference<
  			::com::sun::star::rendering::XGraphicDevice >	mxGraphicDevice;
	};
}

#endif /* _TEXTLAYOUT_DRAWHELPER_HXX */
// eof