1 /**************************************************************
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
10  *
11  *   http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
19  *
20  *************************************************************/
21 
22 
23 
24 #ifndef _TEXTLAYOUT_DRAWHELPER_HXX
25 #define _TEXTLAYOUT_DRAWHELPER_HXX
26 
27 #include <boost/shared_ptr.hpp>
28 
29 #include <com/sun/star/uno/Sequence.hxx>
30 #include <com/sun/star/rendering/StringContext.hpp>
31 #include <com/sun/star/rendering/XCanvasFont.hpp>
32 #include <com/sun/star/geometry/Matrix2D.hpp>
33 #include <com/sun/star/rendering/XGraphicDevice.hpp>
34 
35 #include <basegfx/matrix/b2dhommatrix.hxx>
36 #include <basegfx/vector/b2isize.hxx>
37 
38 class ::com::sun::star::rendering::XCanvasFont;
39 
40 namespace Gdiplus { class Graphics; }
41 
42 namespace dxcanvas
43 {
44 	struct Bitmap;
45 	class TextLayoutDrawHelper
46 	{
47 	public:
48 		TextLayoutDrawHelper(
49 			const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >& xGraphicDevice);
50 		~TextLayoutDrawHelper();
51 
52 		// draw text
53 		void drawText( const boost::shared_ptr<Gdiplus::Graphics>&          rGraphics,
54                        const ::com::sun::star::rendering::ViewState& 		rViewState,
55                        const ::com::sun::star::rendering::RenderState& 		rRenderState,
56                        const ::basegfx::B2ISize& 							rOutputOffset,
57                        const ::com::sun::star::rendering::StringContext& 	rText,
58                        const ::com::sun::star::uno::Sequence< double >& 	rLogicalAdvancements,
59                        const ::com::sun::star::uno::Reference<
60                        		::com::sun::star::rendering::XCanvasFont >& 	rCanvasFont,
61                        const ::com::sun::star::geometry::Matrix2D& 			rFontMatrix,
62                        bool                                                 bAlphaSurface,
63                        sal_Int8		                                        nTextDirection);
64 
65         ::com::sun::star::geometry::RealRectangle2D queryTextBounds(
66 			const ::com::sun::star::rendering::StringContext& 	rText,
67             const ::com::sun::star::uno::Sequence< double >& 	rLogicalAdvancements,
68             const ::com::sun::star::uno::Reference<
69 	            ::com::sun::star::rendering::XCanvasFont >&		rCanvasFont,
70               const ::com::sun::star::geometry::Matrix2D& 		rFontMatrix,
71               sal_Int8		                                    nTextDirection );
72 
73 #ifdef DBG_UTIL
74 		void test();
75 #endif
76 
77     protected:
78 		::com::sun::star::uno::Reference<
79   			::com::sun::star::rendering::XGraphicDevice >	mxGraphicDevice;
80 	};
81 }
82 
83 #endif /* _TEXTLAYOUT_DRAWHELPER_HXX */
84 // eof
85