asciipainter.h

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/**********************************************************************
asciipainter.h - Render molecule as ASCII

Copyright (C) 2012 by Noel O'Boyle

This file is part of the Open Babel project.
For more information, see <http://openbabel.org/>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation version 2 of the License.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
***********************************************************************/
#ifndef OB_ASCIIPAINTER_H
#define OB_ASCIIPAINTER_H

#include <openbabel/depict/painter.h>

namespace OpenBabel
{
 class ASCIIPainter : public OBPainter
 {
 public:
 ASCIIPainter(int width, int height, double aspect);
 ~ASCIIPainter();

 void NewCanvas(double width, double height);
 bool IsGood() const;
 void SetFontFamily(const std::string &fontFamily) {}
 void SetFontSize(int pointSize);
 void SetFillColor(const OBColor &color);
 void SetFillRadial(const OBColor &start, const OBColor &end);
 void SetPenColor(const OBColor &color);
 void SetPenWidth(double width);
 double GetPenWidth();
 void DrawLine(double x1, double y1, double x2, double y2, const std::vector<double> & dashes=std::vector<double>());
 void DrawPolygon(const std::vector<std::pair<double,double> > &points);
 void DrawCircle(double x, double y, double r);
 void DrawBall(double x, double y, double r, double opacity = 1.0);
 void DrawText(double x, double y, const std::string &text);
 OBFontMetrics GetFontMetrics(const std::string &text);


 void Write(std::ostream &ofs);
 int round(double r);
 std::string Bresenham(int x, int y, int x2, int y2, std::vector<std::pair<int, int> > &coords);

 private:
 std::vector<std::vector<char> > m_buf;
 int m_width, m_height; // Width and height of output canvas in characters
 double m_aspect; // Ratio of height:width for a single character
 double m_scale; // Conversion from Depiction coords to m_buf coords
 };

}

#endif