张世豪
2 天以前 d0ae1a5baf919cf470d2ab2102587948623cc725
src/gecaoji/lujingdraw.java
@@ -8,12 +8,23 @@
import java.awt.geom.Point2D; // 引入二维点类
import java.util.ArrayList; // 引入动态数组
import java.util.List; // 引入列表接口
import lujing.Lunjingguihua; // 引入路径规划类
import org.locationtech.jts.geom.Coordinate; // 引入坐标类
import org.locationtech.jts.geom.GeometryFactory; // 引入几何工厂类
import org.locationtech.jts.geom.Polygon; // 引入多边形类
/** // 文档注释开头
 * Helper class to parse and render planned mowing paths. // 辅助类说明
 */ // 文档注释结尾
public final class lujingdraw { // 类定义,防止继承
    private static final Color PATH_COLOR = new Color(255, 0, 0, 220); // 路径颜色(红色半透明)
    // 马尔斯绿色 (RGB: 102, 205, 170) - 用于内缩边界(围边)
    private static final Color INNER_BOUNDARY_COLOR = new Color(102, 205, 170);
    // 提香红透明度70% (RGB: 210, 4, 45, alpha: 178) - 用于割草作业路径
    private static final Color MOWING_PATH_COLOR = new Color(210, 4, 45, 178);
    // 蓝色 - 用于非作业移动路径
    private static final Color TRAVEL_PATH_COLOR = new Color(0, 0, 255);
    // 虚线样式 - 用于非作业移动路径
    private static final float[] DASH_PATTERN = {10.0f, 5.0f};
    private static final Color START_POINT_COLOR = new Color(0, 0, 0, 220); // 起点箭头颜色
    private static final Color END_POINT_COLOR = new Color(0, 0, 0, 220); // 终点箭头颜色
@@ -71,37 +82,274 @@
     * Draw the planned mowing path. // 绘制路径
     */ // 文档注释结束
    public static void drawPlannedPath(Graphics2D g2d, List<Point2D.Double> path, double scale, double arrowScale) { // 绘制主方法
        drawPlannedPath(g2d, path, scale, arrowScale, null, null, null, null, null); // 调用重载方法
    } // 方法结束
    /** // 文档注释开始
     * Draw the planned mowing path with segment information. // 绘制路径(带段信息)
     * @param boundaryCoords 地块边界坐标字符串,用于绘制内缩边界
     * @param mowingWidth 割草宽度(米),字符串格式
     * @param safetyDistance 安全距离(米),字符串格式
     * @param obstaclesCoords 障碍物坐标字符串
     * @param mowingPattern 割草模式("parallel"或"spiral")
     */ // 文档注释结束
    public static void drawPlannedPath(Graphics2D g2d, List<Point2D.Double> path, double scale, double arrowScale,
                                      String boundaryCoords, String mowingWidth, String safetyDistance, String obstaclesCoords, String mowingPattern) { // 绘制主方法(重载)
        if (path == null || path.size() < 2) { // 判定点数
            return; // 数据不足直接返回
        } // if结束
        Path2D polyline = new Path2D.Double(); // 创建折线
        boolean move = true; // 首段标记
        for (Point2D.Double point : path) { // 遍历点集
            if (move) { // 第一段
                polyline.moveTo(point.x, point.y); // 移动到首点
                move = false; // 更新标记
            } else { // 后续段
                polyline.lineTo(point.x, point.y); // 连线到下一点
            } // if结束
        } // for结束
        Stroke previous = g2d.getStroke(); // 保存原描边
        float strokeWidth = (float) (2.5 / Math.max(0.5, scale)); // 根据缩放计算线宽
        g2d.setStroke(new BasicStroke(strokeWidth, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND)); // 设置圆头圆角描边
        g2d.setColor(PATH_COLOR); // 设置线路颜色
        g2d.draw(polyline); // 绘制折线
        // 1. 绘制内缩边界(围边)- 马尔斯绿色
        if (boundaryCoords != null && !boundaryCoords.trim().isEmpty() && !"-1".equals(boundaryCoords.trim())) {
            drawInnerBoundary(g2d, boundaryCoords, safetyDistance, scale);
        }
        // 2. 尝试重新生成路径段以区分作业路径和移动路径
        List<Lunjingguihua.PathSegment> segments = null;
        if (boundaryCoords != null && mowingWidth != null) {
            try {
                // 解析割草模式
                String mode = "parallel"; // 默认平行模式
                if (mowingPattern != null && !mowingPattern.trim().isEmpty()) {
                    String pattern = mowingPattern.trim().toLowerCase();
                    if ("1".equals(pattern) || "spiral".equals(pattern) || "螺旋式".equals(pattern) || "螺旋".equals(pattern)) {
                        mode = "spiral";
                    } else if ("parallel".equals(pattern) || "平行线".equals(pattern) || "平行".equals(pattern)) {
                        mode = "parallel";
                    }
                }
                segments = Lunjingguihua.generatePathSegments(
                    boundaryCoords,
                    obstaclesCoords != null ? obstaclesCoords : "",
                    mowingWidth,
                    safetyDistance,
                    mode
                );
            } catch (Exception e) {
                // 如果重新生成失败,使用简单绘制方式
                segments = null;
            }
        }
        // 3. 根据是否有段信息选择不同的绘制方式
        if (segments != null && !segments.isEmpty()) {
            // 有段信息:分别绘制作业路径和移动路径
            drawPathSegments(g2d, segments, scale, arrowScale);
        } else {
            // 无段信息:使用简单绘制方式(所有路径使用作业路径颜色)
            Path2D polyline = new Path2D.Double(); // 创建折线
            boolean move = true; // 首段标记
            for (Point2D.Double point : path) { // 遍历点集
                if (move) { // 第一段
                    polyline.moveTo(point.x, point.y); // 移动到首点
                    move = false; // 更新标记
                } else { // 后续段
                    polyline.lineTo(point.x, point.y); // 连线到下一点
                } // if结束
            } // for结束
            g2d.setStroke(new BasicStroke(strokeWidth, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND)); // 设置圆头圆角描边
            g2d.setColor(MOWING_PATH_COLOR); // 设置作业路径颜色(提香红70%透明度)
            g2d.draw(polyline); // 绘制折线
            Point2D.Double start = path.get(0); // 起点
            Point2D.Double second = path.get(1); // 第二个点
            Point2D.Double end = path.get(path.size() - 1); // 终点
            Point2D.Double prev = path.get(path.size() - 2); // 倒数第二个点
        Point2D.Double start = path.get(0); // 起点
        Point2D.Double second = path.get(1); // 第二个点
        Point2D.Double end = path.get(path.size() - 1); // 终点
        Point2D.Double prev = path.get(path.size() - 2); // 倒数第二个点
    drawArrowMarker(g2d, start, second, START_POINT_COLOR, scale, arrowScale); // 绘制起点箭头
    drawArrowMarker(g2d, prev, end, END_POINT_COLOR, scale, arrowScale); // 绘制终点箭头
            drawArrowMarker(g2d, start, second, START_POINT_COLOR, scale, arrowScale); // 绘制起点箭头
            drawArrowMarker(g2d, prev, end, END_POINT_COLOR, scale, arrowScale); // 绘制终点箭头
        }
        g2d.setStroke(previous); // 恢复原描边
    } // 方法结束
    /** // 文档注释开始
     * 绘制内缩边界(围边)- 马尔斯绿色
     */ // 文档注释结束
    private static void drawInnerBoundary(Graphics2D g2d, String boundaryCoords, String safetyDistanceStr, double scale) {
        try {
            List<Coordinate> boundary = Lunjingguihua.parseCoordinates(boundaryCoords);
            if (boundary.size() < 4) {
                return; // 边界点不足
            }
            // 解析安全距离
            double safetyDistance = 0.2; // 默认0.2米
            if (safetyDistanceStr != null && !safetyDistanceStr.trim().isEmpty()) {
                try {
                    safetyDistance = Double.parseDouble(safetyDistanceStr.trim());
                } catch (NumberFormatException e) {
                    // 使用默认值
                }
            }
            // 创建多边形并内缩
            GeometryFactory gf = new GeometryFactory();
            Polygon poly = gf.createPolygon(gf.createLinearRing(boundary.toArray(new Coordinate[0])));
            if (!poly.isValid()) {
                poly = (Polygon) poly.buffer(0);
            }
            // 内缩生成安全边界
            org.locationtech.jts.geom.Geometry innerBoundary = poly.buffer(-safetyDistance);
            if (innerBoundary == null || innerBoundary.isEmpty()) {
                return;
            }
            // 绘制内缩边界
            g2d.setColor(INNER_BOUNDARY_COLOR); // 马尔斯绿色
            float strokeWidth = (float) (3.0 / Math.max(0.5, scale));
            g2d.setStroke(new BasicStroke(strokeWidth, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
            // 将JTS几何体转换为Path2D并绘制
            Path2D.Double innerPath = geometryToPath2D(innerBoundary);
            if (innerPath != null) {
                g2d.draw(innerPath);
            }
        } catch (Exception e) {
            // 绘制失败时忽略,不影响其他路径绘制
        }
    } // 方法结束
    /** // 文档注释开始
     * 将JTS几何体转换为Path2D
     */ // 文档注释结束
    private static Path2D.Double geometryToPath2D(org.locationtech.jts.geom.Geometry geom) {
        if (geom == null) {
            return null;
        }
        Path2D.Double path = new Path2D.Double();
        if (geom instanceof Polygon) {
            Polygon poly = (Polygon) geom;
            addRingToPath(path, poly.getExteriorRing().getCoordinates(), true);
            for (int i = 0; i < poly.getNumInteriorRing(); i++) {
                addRingToPath(path, poly.getInteriorRingN(i).getCoordinates(), true);
            }
        } else if (geom instanceof org.locationtech.jts.geom.MultiPolygon) {
            org.locationtech.jts.geom.MultiPolygon mp = (org.locationtech.jts.geom.MultiPolygon) geom;
            for (int i = 0; i < mp.getNumGeometries(); i++) {
                Polygon poly = (Polygon) mp.getGeometryN(i);
                addRingToPath(path, poly.getExteriorRing().getCoordinates(), true);
                for (int j = 0; j < poly.getNumInteriorRing(); j++) {
                    addRingToPath(path, poly.getInteriorRingN(j).getCoordinates(), true);
                }
            }
        }
        return path;
    } // 方法结束
    /** // 文档注释开始
     * 将坐标环添加到Path2D
     */ // 文档注释结束
    private static void addRingToPath(Path2D.Double path, Coordinate[] coords, boolean close) {
        if (coords == null || coords.length < 2) {
            return;
        }
        path.moveTo(coords[0].x, coords[0].y);
        for (int i = 1; i < coords.length; i++) {
            path.lineTo(coords[i].x, coords[i].y);
        }
        if (close) {
            path.closePath();
        }
    } // 方法结束
    /** // 文档注释开始
     * 绘制路径段(区分作业路径和移动路径)
     */ // 文档注释结束
    private static void drawPathSegments(Graphics2D g2d, List<Lunjingguihua.PathSegment> segments, double scale, double arrowScale) {
        if (segments == null || segments.isEmpty()) {
            return;
        }
        float strokeWidth = (float) (2.5 / Math.max(0.5, scale));
        Stroke previous = g2d.getStroke();
        // 分别绘制作业路径和移动路径
        Path2D.Double mowingPath = new Path2D.Double();
        Path2D.Double travelPath = new Path2D.Double();
        boolean mowingStarted = false;
        boolean travelStarted = false;
        Coordinate lastMowingEnd = null;
        Coordinate lastTravelEnd = null;
        for (Lunjingguihua.PathSegment seg : segments) {
            if (seg == null || seg.start == null || seg.end == null) {
                continue;
            }
            if (seg.isMowing) {
                // 作业路径 - 提香红70%透明度
                if (!mowingStarted || lastMowingEnd == null || !equals2D(lastMowingEnd, seg.start)) {
                    mowingPath.moveTo(seg.start.x, seg.start.y);
                    mowingStarted = true;
                }
                mowingPath.lineTo(seg.end.x, seg.end.y);
                lastMowingEnd = seg.end;
            } else {
                // 移动路径 - 蓝色虚线
                if (!travelStarted || lastTravelEnd == null || !equals2D(lastTravelEnd, seg.start)) {
                    travelPath.moveTo(seg.start.x, seg.start.y);
                    travelStarted = true;
                }
                travelPath.lineTo(seg.end.x, seg.end.y);
                lastTravelEnd = seg.end;
            }
        }
        // 绘制作业路径
        if (mowingStarted) {
            g2d.setColor(MOWING_PATH_COLOR); // 提香红70%透明度
            g2d.setStroke(new BasicStroke(strokeWidth, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
            g2d.draw(mowingPath);
        }
        // 绘制移动路径(虚线)
        if (travelStarted) {
            g2d.setColor(TRAVEL_PATH_COLOR); // 蓝色
            g2d.setStroke(new BasicStroke(strokeWidth, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 0, DASH_PATTERN, 0));
            g2d.draw(travelPath);
        }
        // 绘制起点和终点箭头
        if (!segments.isEmpty()) {
            Lunjingguihua.PathSegment firstSeg = segments.get(0);
            if (firstSeg != null && firstSeg.start != null && segments.size() > 1) {
                Lunjingguihua.PathSegment secondSeg = segments.get(1);
                if (secondSeg != null && secondSeg.start != null) {
                    Point2D.Double start = new Point2D.Double(firstSeg.start.x, firstSeg.start.y);
                    Point2D.Double second = new Point2D.Double(secondSeg.start.x, secondSeg.start.y);
                    drawArrowMarker(g2d, start, second, START_POINT_COLOR, scale, arrowScale);
                }
            }
            Lunjingguihua.PathSegment lastSeg = segments.get(segments.size() - 1);
            if (lastSeg != null && lastSeg.end != null && segments.size() > 1) {
                Lunjingguihua.PathSegment prevSeg = segments.get(segments.size() - 2);
                if (prevSeg != null && prevSeg.end != null) {
                    Point2D.Double prev = new Point2D.Double(prevSeg.end.x, prevSeg.end.y);
                    Point2D.Double end = new Point2D.Double(lastSeg.end.x, lastSeg.end.y);
                    drawArrowMarker(g2d, prev, end, END_POINT_COLOR, scale, arrowScale);
                }
            }
        }
        g2d.setStroke(previous);
    } // 方法结束
    /** // 文档注释开始
     * 比较两个坐标是否相同(容差)
     */ // 文档注释结束
    private static boolean equals2D(Coordinate a, Coordinate b) {
        if (a == b) return true;
        if (a == null || b == null) return false;
        return a.distance(b) < 1e-4;
    } // 方法结束
    private static void drawArrowMarker(Graphics2D g2d, Point2D.Double from, Point2D.Double to, Color color, double scale, double sizeScale) { // 绘制箭头辅助
        if (from == null || to == null) { // 判空