新增了往返路径

826220679@qq.com

2 天以前 48ee74129bb09a817a0bbbabe860c4007b74c66b

 src/zhuye/LegendDialog.java

@@ -48,6 +48,7 @@
            {"路径方向", "255,0,0", "arrow"},
            {"障碍物区域", "255,0,0", "obstacle_fill"},
            {"割草机位置", "0,150,0", "mow"},
            {"往返路径", "0,0,0", "railway"},
            {"割草轨迹", "100,150,200", "trail"}
        };
        
@@ -61,7 +62,7 @@
            contentPanel.remove(contentPanel.getComponentCount() - 1);
        }
        
        // 直接添加内容面板，不使用滚动条
        // 添加图例内容面板
        mainPanel.add(contentPanel, BorderLayout.CENTER);
        
        getContentPane().add(mainPanel);
@@ -120,11 +121,30 @@
                        g2d.fillPolygon(xPoints, yPoints, 3);
                        break;
                    case "mow":
                        g2d.setColor(itemColor);
                        g2d.fillOval(x, y, size, size);
                        g2d.setColor(new Color(100, 100, 100));
                        g2d.setStroke(new BasicStroke(1));
                        g2d.drawOval(x, y, size, size);
                        ImageIcon icon = loadIcon("image/gecaoji.png", size + 8, size + 8);
                        if (icon != null) {
                            icon.paintIcon(this, g2d, x - 4, y - 4);
                        } else {
                            g2d.setColor(itemColor);
                            g2d.fillOval(x, y, size, size);
                            g2d.setColor(new Color(100, 100, 100));
                            g2d.setStroke(new BasicStroke(1));
                            g2d.drawOval(x, y, size, size);
                        }
                        break;
                    case "railway":
                        // 1. 绘制底层黑色实线
                        g2d.setColor(Color.BLACK);
                        g2d.setStroke(new BasicStroke(3.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
                        g2d.drawLine(x, y + size/2, x + size, y + size/2);
                        
                        // 2. 绘制顶层白色虚线
                        float dashLen = 3.0f * 2.0f;
                        float dashSpace = 3.0f * 2.0f;
                        float[] dashPattern = {dashLen, dashSpace};
                        g2d.setColor(Color.WHITE);
                        g2d.setStroke(new BasicStroke(1.2f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND, 10.0f, dashPattern, 0.0f));
                        g2d.drawLine(x, y + size/2, x + size, y + size/2);
                        break;
                    case "trail":
                        g2d.setColor(itemColor);
@@ -154,4 +174,37 @@
        
        return itemPanel;
    }
    
    /**
     * 加载并缩放图标
     * @param iconPath 图标路径
     * @param width 目标宽度
     * @param height 目标高度
     * @return 缩放后的图标
     */
    private ImageIcon loadIcon(String iconPath, int width, int height) {
        try {
            java.net.URL imgURL = getClass().getClassLoader().getResource(iconPath);
            if (imgURL == null) {
                // 尝试从文件系统加载
                java.io.File imgFile = new java.io.File(iconPath);
                if (imgFile.exists()) {
                    ImageIcon originalIcon = new ImageIcon(imgFile.getAbsolutePath());
                    Image scaledImage = originalIcon.getImage().getScaledInstance(width, height, Image.SCALE_SMOOTH);
                    ImageIcon scaledIcon = new ImageIcon(scaledImage);
                    scaledIcon.setDescription(iconPath);
                    return scaledIcon;
                }
            } else {
                ImageIcon originalIcon = new ImageIcon(imgURL);
                Image scaledImage = originalIcon.getImage().getScaledInstance(width, height, Image.SCALE_SMOOTH);
                ImageIcon scaledIcon = new ImageIcon(scaledImage);
                scaledIcon.setDescription(iconPath);
                return scaledIcon;
            }
        } catch (Exception e) {
            System.err.println("无法加载图标: " + iconPath + " - " + e.getMessage());
        }
        return null;
    }
}