#!/usr/bin/env python
# (C) 2022 Cadence Design Systems, Inc. (Cadence) 
# All rights reserved.
# TERMS FOR USE OF SAMPLE CODE The software below ("Sample Code") is
# provided to current licensees or subscribers of Cadence products or
# SaaS offerings (each a "Customer").
# Customer is hereby permitted to use, copy, and modify the Sample Code,
# subject to these terms. Cadence claims no rights to Customer's
# modifications. Modification of Sample Code is at Customer's sole and
# exclusive risk. Sample Code may require Customer to have a then
# current license or subscription to the applicable Cadence offering.
# THE SAMPLE CODE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED.  OPENEYE DISCLAIMS ALL WARRANTIES, INCLUDING, BUT
# NOT LIMITED TO, WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
# PARTICULAR PURPOSE AND NONINFRINGEMENT. In no event shall Cadence be
# liable for any damages or liability in connection with the Sample Code
# or its use.

from openeye import oechem
from openeye import oedepict

# @ <SNIPPET-HOVERATOMTEXT>
width, height = 400, 200
image = oedepict.OEImage(width, height)

mol = oechem.OEGraphMol()
smiles = "Cc1cccnc1/C=C/[C@H](C(=O)O)O"
oechem.OESmilesToMol(mol, smiles)
oedepict.OEPrepareDepiction(mol)

opts = oedepict.OE2DMolDisplayOptions(width, height, oedepict.OEScale_AutoScale)
opts.SetMargins(10)
disp = oedepict.OE2DMolDisplay(mol, opts)

font = oedepict.OEFont(oedepict.OEFontFamily_Default, oedepict.OEFontStyle_Default, 12,
                       oedepict.OEAlignment_Center, oechem.OEDarkRed)

for adisp in disp.GetAtomDisplays():
    atom = adisp.GetAtom()
    hovertext = "atom idx=%s" % atom.GetIdx()
    oedepict.OEDrawSVGHoverText(disp, adisp, hovertext, font)

oedepict.OERenderMolecule("HoverAtomText.svg", disp)
# @ </SNIPPET-HOVERATOMTEXT>