新增了串口割草机拖尾和缩放比例保存功能

张世豪

8 天以前 de75ec84e295c3f952a200897aa22aa73d7d5867

 src/zhuye/LegendDialog.java

@@ -8,10 +8,11 @@
public class LegendDialog extends JDialog {

    public LegendDialog(Component parent, Color ignoredThemeColor) {
        super(parent != null ? (JFrame) SwingUtilities.getWindowAncestor(parent) : null,
              "图例", true);
    // 使用统一宽度，高度缩减为一半
    initializeDialog(UIConfig.DIALOG_WIDTH, UIConfig.DIALOG_HEIGHT / 2);
      super(parent != null ? (JFrame) SwingUtilities.getWindowAncestor(parent) : null,
          "图例", true);
      int adjustedWidth = (int) Math.round(UIConfig.DIALOG_WIDTH * 0.8);
    int adjustedHeight = (int) Math.round(UIConfig.DIALOG_HEIGHT * 0.4);
    initializeDialog(adjustedWidth, adjustedHeight);
        initializeLegendContent();
        if (parent == null) {
            setLocationRelativeTo(null); // 居中显示
@@ -31,12 +32,28 @@
        mainPanel.setBackground(Color.WHITE);
        mainPanel.setBorder(BorderFactory.createEmptyBorder(15, 15, 10, 15));
        
        // 标题 - 修改为"图例"
        JLabel titleLabel = new JLabel("图例", JLabel.CENTER);
        titleLabel.setFont(new Font("微软雅黑", Font.BOLD, 14));
        titleLabel.setForeground(new Color(60, 60, 60));
        titleLabel.setBorder(BorderFactory.createEmptyBorder(0, 0, 10, 0));
        mainPanel.add(titleLabel, BorderLayout.NORTH);
        // 计算图例内容面板的宽度（用于设置图标尺寸）
        // 图例对话框宽度 = DIALOG_WIDTH * 0.8
        // 主面板左右边框各15像素，图例内容面板左右内边距各10像素
        int adjustedWidth = (int) Math.round(UIConfig.DIALOG_WIDTH * 0.8);
        int iconSize = adjustedWidth - 30 - 20; // 减去主面板左右边框(15*2)和图例内容面板左右内边距(10*2)
        
        // 创建割草机图标面板
        JPanel iconPanel = new JPanel(new BorderLayout());
        iconPanel.setBackground(Color.WHITE);
        iconPanel.setBorder(BorderFactory.createEmptyBorder(0, 0, 10, 0)); // 底部间距10像素
        
        JLabel gecaojiLabel = new JLabel();
        gecaojiLabel.setHorizontalAlignment(SwingConstants.CENTER);
        ImageIcon gecaojiIcon = loadIcon("image/gecaoji.png", iconSize, iconSize);
        if (gecaojiIcon != null) {
            gecaojiLabel.setIcon(gecaojiIcon);
        } else {
            // 如果图标加载失败，显示占位文本
            gecaojiLabel.setText("割草机图标");
            gecaojiLabel.setFont(new Font("微软雅黑", Font.PLAIN, 12));
        }
        iconPanel.add(gecaojiLabel, BorderLayout.CENTER);
        
        // 图例内容面板 - 直接添加，不使用滚动条
        JPanel contentPanel = new JPanel();
@@ -67,7 +84,8 @@
            contentPanel.remove(contentPanel.getComponentCount() - 1);
        }
        
        // 直接添加内容面板，不使用滚动条
        // 添加图标面板和图例内容面板
        mainPanel.add(iconPanel, BorderLayout.NORTH);
        mainPanel.add(contentPanel, BorderLayout.CENTER);
        
        getContentPane().add(mainPanel);
@@ -160,4 +178,37 @@
        
        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;
    }
}