RDKit
Open-source cheminformatics and machine learning.
MolDraw2DQt.h
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1 //
2 // @@ All Rights Reserved @@
3 // This file is part of the RDKit.
4 // The contents are covered by the terms of the BSD license
5 // which is included in the file license.txt, found at the root
6 // of the RDKit source tree.
7 //
8 // Original author: David Cosgrove (AstraZeneca)
9 //
10 // This is a concrete class derived from MolDraw2D that uses RDKit to draw a
11 // molecule into a QPainter.
12 
13 #ifndef MOLDRAW2DQT_H
14 #define MOLDRAW2DQT_H
15 
16 #include "MolDraw2D.h"
17 
18 class QPainter;
19 class QString;
20 
21 // ****************************************************************************
22 
23 namespace RDKit {
24 
25  class MolDraw2DQt : public MolDraw2D {
26 
27  public :
28 
29  MolDraw2DQt( int width , int height , QPainter &qp );
30 
31  // set font size in molecule coordinate units. That's probably Angstrom for
32  // RDKit. It will turned into drawing units using scale_, which might be
33  // changed as a result, to make sure things still appear in the window.
34  void setFontSize( double new_size );
35  void setColour( const DrawColour &col );
36 
37  void drawLine( const Point2D &cds1 ,
38  const Point2D &cds2 );
39  void drawChar( char c , const Point2D &cds );
40  void drawPolygon( const std::vector<Point2D > &cds );
41  void clearDrawing();
42 
43  // using the current scale, work out the size of the label in molecule coordinates
44  void getStringSize( const std::string &label , double &label_width ,
45  double &label_height ) const;
46 
47 
48  private :
49 
50  QPainter &qp_;
51 
52  };
53 
54 }
55 #endif // MOLDRAW2DQT_H
virtual int height() const
Definition: MolDraw2D.h:95
void drawLine(const Point2D &cds1, const Point2D &cds2)
void setFontSize(double new_size)
boost::tuple< float, float, float > DrawColour
Definition: MolDraw2D.h:37
void drawPolygon(const std::vector< Point2D > &cds)
MolDraw2DQt(int width, int height, QPainter &qp)
void setColour(const DrawColour &col)
Includes a bunch of functionality for handling Atom and Bond queries.
Definition: Atom.h:28
void drawChar(char c, const Point2D &cds)
virtual int width() const
Definition: MolDraw2D.h:94
void getStringSize(const std::string &label, double &label_width, double &label_height) const