public Polygon getCollisionAndSelectionPolygon(
PolygonObject pObject, Point pageOrigin, float zoomLevel) {
ScaledSizeAndPosition sap = getSizeAndPosition(pObject, pageOrigin, zoomLevel);
GridPoint[] pts = pObject.getAdjustedVertices();
int[] xVals = new int[pts.length];
int[] yVals = new int[pts.length];
int i = 0;
for (GridPoint pt : pts) {
xVals[i] = (int) (pt.getx() * sap.getWidth()) + sap.getxOrigin();
yVals[i] = (int) (pt.gety() * sap.getHeight()) + sap.getyOrigin();
i++;
}
return new Polygon(xVals, yVals, pts.length);
}
public void drawMathObject(PolygonObject object, Graphics g, Point pageOrigin, float zoomLevel) {
g.setColor(Color.BLACK);
ScaledSizeAndPosition sap =
getSizeAndPositionWithLineThickness(object, pageOrigin, zoomLevel, object.getThickness());
Graphics2D g2d = (Graphics2D) g;
g2d.setStroke(new BasicStroke(sap.getLineThickness()));
Polygon p = new Polygon();
GridPoint[] points = object.getAdjustedVertices();
for (int i = 0; i < points.length; i++) {
p.addPoint(
(int) (points[i].getx() * sap.getWidth()) + sap.getxOrigin(),
(int) (points[i].gety() * sap.getHeight()) + sap.getyOrigin());
}
if (object.getColor() != null) {
g2d.setColor(object.getColor());
g2d.fillPolygon(p);
g2d.setColor(Color.BLACK);
}
g2d.drawPolygon(p);
g2d.setStroke(new BasicStroke(1));
}
public void drawInteractiveComponents(
PolygonObject object, Graphics g, Point pageOrigin, float zoomLevel) {
drawMathObject(object, g, pageOrigin, zoomLevel);
// This is currently unused, this is an alternative to commenting out the code that makes sure
// it keeps compiling
if (false) {
ScaledSizeAndPosition sap = getSizeAndPosition(object, pageOrigin, zoomLevel);
GridPoint[] pts = object.getAdjustedVertices();
for (int i = 0; i < pts.length; i++) {
g.setColor(Color.YELLOW);
g.fillOval(
(int) (pts[i].getx() * sap.getWidth()) + sap.getxOrigin() - dotRadius,
(int) (pts[i].gety() * sap.getWidth()) + sap.getyOrigin() - dotRadius,
2 * dotRadius,
2 * dotRadius);
g.setColor(Color.BLACK);
g.drawOval(
(int) (pts[i].getx() * sap.getWidth()) + sap.getxOrigin() - dotRadius,
(int) (pts[i].gety() * sap.getHeight()) + sap.getyOrigin() - dotRadius,
2 * dotRadius,
2 * dotRadius);
}
}
}
