77 lines
2.0 KiB
C++
77 lines
2.0 KiB
C++
///@file
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/// A text on the Canvas
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//
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// Copyright (C) 2012 Thomas Geymayer <tomgey@gmail.com>
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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#ifndef CANVAS_TEXT_HXX_
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#define CANVAS_TEXT_HXX_
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#include "CanvasElement.hxx"
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#include <osgText/Text>
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#include <map>
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#include <vector>
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namespace simgear
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{
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namespace canvas
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{
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class TextLine;
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class Text:
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public Element
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{
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public:
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static const std::string TYPE_NAME;
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static void staticInit();
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Text( const CanvasWeakPtr& canvas,
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const SGPropertyNode_ptr& node,
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const Style& parent_style,
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ElementWeakPtr parent = 0 );
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~Text();
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void setText(const char* text);
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void setFont(const char* name);
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void setAlignment(const char* align);
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int heightForWidth(int w) const;
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int maxWidth() const;
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/// Number of text lines.
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size_t lineCount() const;
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/// Number of characters in @a line.
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size_t lineLength(size_t line) const;
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osg::Vec2 getNearestCursor(const osg::Vec2& pos) const;
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osg::Vec2 getCursorPos(size_t line, size_t character) const;
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protected:
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friend class TextLine;
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class TextOSG;
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osg::ref_ptr<TextOSG> _text;
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virtual osg::StateSet* getOrCreateStateSet();
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};
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} // namespace canvas
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} // namespace simgear
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#endif /* CANVAS_TEXT_HXX_ */
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