private void drawImageGraph(
ImageGraph graph, Graphics2D g, Color color, int pointSize, int unsafeRadius) {
g.setColor(color);
g.setStroke(LINE_STROKE);
for (ImagePoint p : graph.getGraph().vertexSet()) {
g.fillOval(
(int) p.getX() - (pointSize / 2), (int) p.getY() - (pointSize / 2), pointSize, pointSize);
g.drawOval(
(int) (p.getX() - unsafeRadius),
(int) (p.getY() - unsafeRadius),
2 * (int) unsafeRadius,
2 * (int) unsafeRadius);
}
for (ImageEdge edge : graph.getGraph().edgeSet()) {
g.drawLine(
(int) edge.getStart().getX(),
(int) edge.getStart().getY(),
(int) edge.getEnd().getX(),
(int) edge.getEnd().getY());
// Draw lines offset by unsafeRadius to either side
// Rotate the line by 90 degrees and scale to offset length
ImagePoint rotated =
new ImagePoint(-edge.getdY(), edge.getdX()).scale(unsafeRadius / edge.getLength());
int xOffset = (int) rotated.getX();
int yOffset = (int) rotated.getY();
g.drawLine(
(int) edge.getStart().getX() - xOffset,
(int) edge.getStart().getY() - yOffset,
(int) edge.getEnd().getX() - xOffset,
(int) edge.getEnd().getY() - yOffset);
g.drawLine(
(int) edge.getStart().getX() + xOffset,
(int) edge.getStart().getY() + yOffset,
(int) edge.getEnd().getX() + xOffset,
(int) edge.getEnd().getY() + yOffset);
}
}
private void drawImageGraph(ImageGraph graph, Graphics2D g, Color color, int pointSize) {
g.setColor(color);
g.setStroke(LINE_STROKE);
for (ImagePoint p : graph.getPoints())
g.fillOval(
(int) p.getX() - (pointSize / 2), (int) p.getY() - (pointSize / 2), pointSize, pointSize);
for (ImageEdge edge : graph.getGraph().edgeSet())
g.drawLine(
(int) edge.getStart().getX(),
(int) edge.getStart().getY(),
(int) edge.getEnd().getX(),
(int) edge.getEnd().getY());
}