lyx_mirror/src/mathed/textpainter.h

// -*- C++ -*-
/**
 * \file textpainter.h
 * This file is part of LyX, the document processor.
 * Licence details can be found in the file COPYING.
 *
 * \author André Pönitz
 *
 * Full author contact details are available in file CREDITS.
 */

#ifndef TEXTPAINTER_H
#define TEXTPAINTER_H


#include <vector>
#include <iosfwd>

class TextPainter {
	public:
		///
		TextPainter(int xmax, int ymax);
		///
		void draw(int x, int y, char const * str);
		///
		void draw(int x, int y, char c);
		///
		void show(std::ostream & os, int offset = 0) const;
		///
		int textheight() const { return ymax_; }
		///
		void horizontalLine(int x, int y, int len, char c = '-');
		///
		void verticalLine(int x, int y, int len, char c = '|');

	private:
		///
		typedef std::vector<char> data_type;
		///
		char at(int x, int y) const;
		///
		char & at(int x, int y);

		/// xsize of the painter area
		int xmax_;
		/// ysize of the painter area
		int ymax_;
		/// the image
		data_type data_;
};

#endif