1 // An OpenVG path on the Canvas
3 // Copyright (C) 2012 Thomas Geymayer <tomgey@gmail.com>
5 // This library is free software; you can redistribute it and/or
6 // modify it under the terms of the GNU Library General Public
7 // License as published by the Free Software Foundation; either
8 // version 2 of the License, or (at your option) any later version.
10 // This library is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 // Library General Public License for more details.
15 // You should have received a copy of the GNU Library General Public
16 // License along with this library; if not, write to the Free Software
17 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 #ifndef CANVAS_PATH_HXX_
20 #define CANVAS_PATH_HXX_
22 #include "CanvasElement.hxx"
23 #include <boost/preprocessor/iteration/iterate.hpp>
33 static const std::string TYPE_NAME;
35 Path( const CanvasWeakPtr& canvas,
36 const SGPropertyNode_ptr& node,
37 const Style& parent_style,
38 Element* parent = 0 );
41 virtual void update(double dt);
43 virtual osg::BoundingBox getTransformedBounds(const osg::Matrix& m) const;
45 #define BOOST_PP_ITERATION_LIMITS (0, 6)
46 #define BOOST_PP_FILENAME_1 \
47 <simgear/canvas/elements/detail/add_segment_variadic.hxx>
48 #include BOOST_PP_ITERATE()
50 /** Move path cursor */
51 Path& moveTo(float x_abs, float y_abs);
52 Path& move(float x_rel, float y_rel);
55 Path& lineTo(float x_abs, float y_abs);
56 Path& line(float x_rel, float y_rel);
58 /** Add a horizontal line */
59 Path& horizTo(float x_abs);
60 Path& horiz(float x_rel);
62 /** Add a vertical line */
63 Path& vertTo(float y_abs);
64 Path& vert(float y_rel);
66 /** Close the path (implicit lineTo to first point of path) */
73 CMDS = LAST_ATTRIBUTE << 1,
78 typedef osg::ref_ptr<PathDrawable> PathDrawableRef;
79 PathDrawableRef _path;
81 virtual void childRemoved(SGPropertyNode * child);
82 virtual void childChanged(SGPropertyNode * child);
86 } // namespace simgear
88 #endif /* CANVAS_PATH_HXX_ */