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 INCLUDED_SLIDESHOW_USERPAINTOVERLAY_HXX
25 #define INCLUDED_SLIDESHOW_USERPAINTOVERLAY_HXX
26 
27 #include <basegfx/polygon/b2dpolypolygon.hxx>
28 
29 #include "unoview.hxx"
30 #include "rgbcolor.hxx"
31 
32 #include <boost/utility.hpp>
33 #include <boost/shared_ptr.hpp>
34 #include <vector>
35 
36 /* Definition of UserPaintOverlay class */
37 
38 namespace slideshow
39 {
40     namespace internal
41     {
42         class EventMultiplexer;
43         struct SlideShowContext;
44 
45         class PaintOverlayHandler;
46         typedef ::boost::shared_ptr< class UserPaintOverlay > UserPaintOverlaySharedPtr;
47         typedef ::std::vector< ::cppcanvas::PolyPolygonSharedPtr> PolyPolygonVector;
48 		/** Slide overlay, which can be painted into by the user.
49 
50 			This class registers itself at the EventMultiplexer,
51 			listening for mouse clicks and moves. When the mouse is
52 			dragged, a hand sketching in the selected color is shown.
53 		*/
54 		class UserPaintOverlay : private boost::noncopyable
55 		{
56 		public:
57             /** Create a UserPaintOverlay
58 
59             	@param rStrokeColor
60                 Color to use for drawing
61 
62                 @param nStrokeWidth
63                 Width of the stroked path
64              */
65             static UserPaintOverlaySharedPtr create( const RGBColor&          rStrokeColor,
66                                                      double                   nStrokeWidth,
67                                                      const SlideShowContext&  rContext,
68                                                      const PolyPolygonVector& rPolygons,
69 													 bool					  bActive);
70             ~UserPaintOverlay();
71             PolyPolygonVector getPolygons();
72             void drawPolygons();
73 
74 			void update_settings( bool bUserPaintEnabled, RGBColor const& aUserPaintColor, double dUserPaintStrokeWidth );
75 
76 
77 		private:
78 			UserPaintOverlay( const RGBColor&          rStrokeColor,
79                               double                   nStrokeWidth,
80                               const SlideShowContext&  rContext,
81                               const PolyPolygonVector& rPolygons,
82 							  bool					  bActive );
83 
84             ::boost::shared_ptr<PaintOverlayHandler>	mpHandler;
85             EventMultiplexer&							mrMultiplexer;
86 		};
87     }
88 }
89 
90 #endif /* INCLUDED_SLIDESHOW_USERPAINTOVERLAY_HXX */
91