cairopainter.h

Go to the documentation of this file.

#ifndef OB_CAIROPAINTER_H
#define OB_CAIROPAINTER_H

#include <openbabel/depict/painter.h>
#include "cairo.h"

namespace OpenBabel
{
 class CairoPainter : public OBPainter
 {
 public:
 CairoPainter();
 ~CairoPainter();

 void NewCanvas(double width, double height);
 bool IsGood() const;
 void SetFontFamily(const std::string &fontFamily) {} // FIXME
 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);
 void DrawText(double x, double y, const std::string &text);
 OBFontMetrics GetFontMetrics(const std::string &text);


 void WriteImage(const std::string &filename);
 void WriteImage(std::ostream& ofs);
 void SetWidth(int width) {m_width=width;}
 void SetHeight(int height) {m_height=height;}
 void SetTitle(std::string title) {m_title=title;}
 void SetIndex(int index) {m_index=index;}
 void SetTableSize(int nrows, int ncols) {m_nrows=nrows; m_ncols=ncols;}
 void SetBackground(std::string color) {m_fillcolor=color;}
 void SetBondColor(std::string color) {m_bondcolor=color;}
 void SetTransparent(bool tr) {m_transparent=tr;}
 void SetCropping(bool cr) {m_cropping=cr;}

 private:
 cairo_surface_t *m_surface;
 cairo_t *m_cairo;
 int m_fontPointSize;
 int m_width;
 int m_height;
 double m_pen_width;
 std::string m_title;
 int m_index; // Index of current molecule in a table
 int m_ncols, m_nrows; // number of rows and columns
 std::string m_fillcolor, m_bondcolor;
 bool m_transparent, m_cropping;

 };

}

#endif