public static NearestPoint findFromPickedLine(PaintContext context) {
NearestPoint nearestPosition;
Point2D.Double currentPoint = context.getLogicalMousePoint();
nearestPosition = findNearestVertexFromLines(currentPoint, context.getLines());
return nearestPosition;
}
@Override
public void onResult(PaintContext context) {
ORIPA.doc.pushCachedUndoInfo();
Vector2d first = context.getVertex(0);
Vector2d second = context.getVertex(1);
Vector2d third = context.getVertex(2);
if (doSpecial) {
ORIPA.doc.addSymmetricLineAutoWalk(first, second, third, 0, first);
} else {
ORIPA.doc.addSymmetricLine(first, second, third);
}
doingFirstAction = true;
context.clear(false);
}
/**
* find the nearest of current mouse point in the circle whose radius = {@code distance}.
*
* @param context
* @param distance
* @return nearestPoint in the limit. null if there are no such vertex.
*/
public static NearestPoint findAround(PaintContext context, double distance) {
NearestPoint nearestPosition = new NearestPoint();
Point2D.Double currentPoint = context.getLogicalMousePoint();
Collection<Collection<Vector2d>> vertices =
ORIPA.doc.getVerticesArea(currentPoint.x, currentPoint.y, distance);
for (Collection<Vector2d> locals : vertices) {
NearestPoint nearest;
nearest = findNearestVertex(currentPoint, locals);
if (nearest.distance < nearestPosition.distance) {
nearestPosition = nearest;
}
}
if (context.dispGrid) {
NearestPoint nearestGrid =
findNearestVertex(currentPoint, context.updateGrids(PaintConfig.gridDivNum));
if (nearestGrid.distance < nearestPosition.distance) {
nearestPosition = nearestGrid;
}
}
if (nearestPosition.distance >= distance) {
return null;
} else {
// System.out.println("#area " + vertices.size() +
// ", #v(area1) " + vertices.iterator().next().size() +
// ", scaled limit = " + distance);
}
return nearestPosition;
}
@Override
protected boolean onAct(PaintContext context, Double currentPoint, boolean doSpecial) {
if (doingFirstAction) {
ORIPA.doc.cacheUndoInfo();
doingFirstAction = false;
}
boolean result = super.onAct(context, currentPoint, doSpecial);
if (result == true) {
if (context.getVertexCount() < 3) {
result = false;
}
}
this.doSpecial = doSpecial;
return result;
}