/usr/include/rdkit/MolDraw2Dwx.h is in librdkit-dev 201603.5+dfsg-1ubuntu1.
This file is owned by root:root, with mode 0o644.
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// @@ All Rights Reserved @@
// This file is part of the RDKit.
// The contents are covered by the terms of the BSD license
// which is included in the file license.txt, found at the root
// of the RDKit source tree.
//
// Author: Igor Filippov based on the work of David Cosgrove (AstraZeneca)
//
// This is a concrete class derived from MolDraw2D that uses RDKit to draw a
// molecule into a wxDC
#ifndef MOLDRAW2DWX_H
#define MOLDRAW2DWX_H
#include <GraphMol/MolDraw2D/MolDraw2D.h>
#include <wx/dc.h>
#include <wx/font.h>
#include <wx/pen.h>
#include <wx/colour.h>
#include <wx/brush.h>
// ****************************************************************************
namespace RDKit {
class MolDraw2Dwx : public MolDraw2D {
public:
MolDraw2Dwx(int width, int height, wxDC &dc)
: MolDraw2D(width, height), m_dc(dc) {
// m_dc.SetFont(wxFont(10, wxFONTFAMILY_TELETYPE, wxFONTSTYLE_NORMAL,
// wxFONTWEIGHT_NORMAL));
}
// set font size in molecule coordinate units. That's probably Angstrom for
// RDKit. It will turned into drawing units using scale_, which might be
// changed as a result, to make sure things still appear in the window.
void setFontSize(double new_size) {
MolDraw2D::setFontSize(new_size);
double font_size_in_points = fontSize() * scale();
wxFont font = m_dc.GetFont();
// font.SetPointSize(font_size_in_points);
font.SetPixelSize(wxSize(0, font_size_in_points));
m_dc.SetFont(font);
}
void setColour(const DrawColour &col) {
MolDraw2D::setColour(col);
double r = col.get<0>();
double g = col.get<1>();
double b = col.get<2>();
wxColour colour(r * 255, g * 255, b * 255);
m_dc.SetTextForeground(colour);
m_dc.SetPen(wxPen(colour));
m_dc.SetBrush(wxBrush(colour));
}
void drawLine(const Point2D &cds1, const Point2D &cds2) {
Point2D c1 = getDrawCoords(cds1);
Point2D c2 = getDrawCoords(cds2);
m_dc.DrawLine(c1.x, c1.y, c2.x, c2.y);
}
void drawChar(char c, const Point2D &cds) {
m_dc.DrawText(wxString(c), cds.x, cds.y);
}
void drawPolygon(const std::vector<Point2D> &cds) {
PRECONDITION(cds.size() >= 3, "must have at least three points");
wxPoint lines[cds.size()];
for (unsigned int i = 0; i < cds.size(); ++i) {
Point2D c1 = getDrawCoords(cds[i]);
lines[i] = wxPoint(c1.x, c1.y);
}
// FIX: deal with toggling fills
m_dc.DrawPolygon(cds.size(), lines);
};
void clearDrawing() {
const wxBrush &brush = m_dc.GetBrush();
const wxPen &pen = m_dc.GetPen();
setColour(drawOptions.backgroundColour);
m_dc.DrawRectangle(0, 0, width(), height());
m_dc.SetBrush(brush);
m_dc.SetPen(pen);
}
// using the current scale, work out the size of the label in molecule
// coordinates
void getStringSize(const std::string &label, double &label_width,
double &label_height) const {
if (m_dc.CanGetTextExtent()) {
wxCoord width, height;
m_dc.GetTextExtent(wxString(label), &width, &height);
label_width = double(width) / scale();
label_height = double(height) / scale();
}
}
private:
wxDC &m_dc;
};
}
#endif // MOLDRAW2DWX_H
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