Example #1
0
    public void TestDrawMolecule()
    {
        var mol    = RWMol.MolFromSmiles("c1ccc(C)c(C)c1C");
        var drawer = new MolDraw2DCairo(300, 300, -1, -1, true);

        drawer.drawOptions().addAtomIndices = true;
        drawer.drawMolecule(mol);
        drawer.finishDrawing();
        var png1 = drawer.getImage().ToArray();

        drawer.writeDrawingText("test.png");
        byte[] png2 = File.ReadAllBytes("test.png");
        Assert.Equal(png1.Length, png2.Length);
        for (int i = 0; i < png1.Length; i++)
        {
            Assert.Equal(png1[i], png2[i]);
        }
        File.Delete("test.png");
    }
Example #2
0
        static void MakePicture(string smiles, string filename)
        {
            int width  = 200;
            int height = 200;

            RWMol mol = null;

            mol = RWMol.MolFromSmiles(smiles);
            if (mol == null)
            {
                mol = RWMol.MolFromSmarts(smiles);
            }
            if (mol == null)
            {
                throw new Exception($"Cannot recognize: '{smiles}'");
            }

            RDKFuncs.prepareMolForDrawing(mol);
            if (filename.EndsWith(".svg"))
            {
                var view = new MolDraw2DSVG(width, height);
                view.drawMolecule(mol);
                view.finishDrawing();
                using (var w = new StreamWriter(filename))
                {
                    w.Write(view.getDrawingText());
                    Console.WriteLine($"{filename} is drawn.");
                }
            }
            else if (filename.EndsWith(".png"))
            {
                var view = new MolDraw2DCairo(width, height);
                view.drawMolecule(mol, Path.GetFileNameWithoutExtension(filename));
                view.finishDrawing();
                view.writeDrawingText(filename);
            }
            else
            {
                throw new Exception($"Not supported: {filename}");
            }
        }