本文整理汇总了Java中math.geom2d.line.Line2D类的典型用法代码示例。如果您正苦于以下问题：Java Line2D类的具体用法？Java Line2D怎么用？Java Line2D使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
Line2D类属于math.geom2d.line包，在下文中一共展示了Line2D类的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1:
import math.geom2d.line.Line2D; //导入依赖的package包/类
/**
* Returns the distance and the closest segment of a point (x,y) to a polygon given as a series of points
* @param isClosedShape True if this is a closes polygon or false if its a polyline
*/
public static Pair<Double, java.awt.geom.Line2D.Double>
getDistToPolygonAndClosestSegment(List<Point> pts, double x, double y, boolean isClosedShape) {
double minDist = Integer.MAX_VALUE;
java.awt.geom.Line2D.Double minLine = new java.awt.geom.Line2D.Double(0, 0, 0, 0);
int N = isClosedShape ? pts.size() : pts.size()-1;
for (int i=0; i<N; ++i) {
java.awt.geom.Line2D.Double line = new java.awt.geom.Line2D.Double(pts.get(i), pts.get( (i+1) % pts.size() ));
double d = line.ptSegDistSq(x, y);
// logger.debug("d = "+d);
if (d < minDist) {
minDist = d;
minLine = line;
}
}
return Pair.of(minDist, minLine);
}
示例2: getBoundingBox
import math.geom2d.line.Line2D; //导入依赖的package包/类
public math.geom2d.Box2D getBoundingBox(LinkedList<CirculinearElement2D> c_el) {
c_el.add(new Line2D(c_el.getLast().lastPoint(), c_el.getFirst().firstPoint()));
math.geom2d.Box2D bb = null;
for (int i = 0; i < c_el.size(); i++) {
CirculinearElement2D el = c_el.get(i);
math.geom2d.Box2D bb1 = el.boundingBox();
if (i == 0) {
bb = bb1;
} else {
bb = bb.union(bb1);
}
}
return bb;
}
示例3: createCircleArc
import math.geom2d.line.Line2D; //导入依赖的package包/类
/**
* The Arc
*
* @param begin
* @param end
* @param r
* @param ccw
* @return
*/
public CircleArc2D createCircleArc(Point2D begin, Point2D end, double r, boolean ccw) {
Point2D center = getArcCenterPoint(begin, end, r, ccw);
double angleBegin = new Line2D(center, begin).horizontalAngle();
double angleEnd = new Line2D(center, end).horizontalAngle();
double angleBegin_0 = angleBegin - angleBegin; // =0
double angleEnd_0 = angleEnd - angleBegin;
double extent = 0;
angleBegin_0 = angleBegin - angleBegin; // =0
angleEnd_0 = angleEnd - angleBegin;
extent = angleEnd_0;
if (ccw) {
if (extent < 0) {
extent = 2 * Math.PI + extent;
}
} else {
if (extent > 0) {
extent = extent - 2 * Math.PI;
}
}
if (Math.abs(extent) > 2 * Math.PI) {
if (extent > 2 * Math.PI) {
extent -= 2 * Math.PI;
} else if (extent < 2 * Math.PI) {
extent += 2 * Math.PI;
}
}
//extent = angleEnd - angleBegin;
CircleArc2D b = new CircleArc2D(center, r, angleBegin, extent);
return b;
}
示例4: intersection
import math.geom2d.line.Line2D; //导入依赖的package包/类
public static Point intersection(Line2D l1, Line2D l2) {
return GeomUtils.intersection((int)l1.getX1(), (int)l1.getY1(), (int)l1.getX2(), (int)l1.getY2(),
(int)l2.getX1(), (int)l2.getY1(), (int)l2.getX2(), (int)l2.getY2());
}