package zhuye;
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import javax.swing.*;
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import java.awt.*;
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import java.awt.image.*;
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import java.net.URL;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Objects;
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/**
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* 使用图片表示割草机卫星状态的小组件。
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* 当定位状态为：0->image/gps0.png, 1->gps1.png, 2->gps2.png, 4->gps4.png, 5->gps5.png。
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* 其他值使用 gps1.png。若图片未找到，回退为原有圆圈绘制。
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*/
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public class gpszhuangtai extends JComponent {
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private static final long serialVersionUID = 1L;
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private static final int ICON_SIZE =16;
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private String currentCode;
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private Color currentColor = new Color(160, 160, 160);
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private final Color themeColor;
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// 图片缓存，key 为文件名（例如 "gps1.png"）
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private final Map<String, Image> imageCache = new HashMap<>();
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private Image currentImage;
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public gpszhuangtai(Color themeColor) {
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this.themeColor = themeColor != null ? themeColor : new Color(46, 139, 87);
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setPreferredSize(new Dimension(ICON_SIZE, ICON_SIZE));
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setMinimumSize(new Dimension(ICON_SIZE, ICON_SIZE));
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setMaximumSize(new Dimension(ICON_SIZE, ICON_SIZE));
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setToolTipText("未知");
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}
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public void setQuality(String code) {
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if (Objects.equals(currentCode, code)) {
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return;
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}
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currentCode = code;
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currentColor = resolveFixQualityColor(code);
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setToolTipText(resolveFixQualityDescription(code));
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String filename = mapCodeToFilename(code);
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currentImage = loadImage(filename);
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// 始终使用默认图标尺寸，不根据图片原始大小改变组件首选尺寸
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setPreferredSize(new Dimension(ICON_SIZE, ICON_SIZE));
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repaint();
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}
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private String mapCodeToFilename(String code) {
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if (code == null) {
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return "gps1.png";
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}
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switch (code) {
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case "0":
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return "gps0.png";
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case "1":
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return "gps1.png";
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case "2":
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return "gps2.png";
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case "4":
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return "gps4.png";
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case "5":
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return "gps5.png";
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default:
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return "gps1.png";
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}
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}
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private Image loadImage(String filename) {
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if (filename == null) return null;
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if (imageCache.containsKey(filename)) {
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return imageCache.get(filename);
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}
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// 首先尝试从类路径加载（打包后可用）
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String path = "/image/" + filename;
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URL res = getClass().getResource(path);
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Image img = null;
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if (res != null) {
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img = new ImageIcon(res).getImage();
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} else {
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// 回退到相对文件系统路径（开发环境下）
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try {
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img = new ImageIcon("image/" + filename).getImage();
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} catch (Exception ignored) {
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img = null;
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}
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}
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imageCache.put(filename, img);
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return img;
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}
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private Color resolveFixQualityColor(String code) {
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if (code == null) {
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return new Color(160, 160, 160);
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}
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switch (code) {
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case "0":
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return new Color(160, 160, 160);
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case "1":
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return new Color(52, 152, 219);
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case "2":
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return new Color(26, 188, 156);
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case "3":
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return new Color(155, 89, 182);
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case "4":
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return themeColor;
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case "5":
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return new Color(241, 196, 15);
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case "6":
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return new Color(231, 76, 60);
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case "7":
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return new Color(230, 126, 34);
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default:
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return new Color(95, 95, 95);
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}
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}
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private String resolveFixQualityDescription(String code) {
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if (code == null) {
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return "未知";
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}
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switch (code) {
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case "0":
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return "未定位";
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case "1":
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return "单点定位";
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case "2":
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return "码差分";
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case "3":
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return "无效PPS";
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case "4":
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return "固定解";
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case "5":
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return "浮点解";
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case "6":
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return "正在估算";
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case "7":
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return "人工输入固定值";
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default:
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return "其他";
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}
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}
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@Override
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protected void paintComponent(Graphics g) {
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super.paintComponent(g);
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Graphics2D g2 = (Graphics2D) g.create();
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try {
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g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
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int w = getWidth();
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int h = getHeight();
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if (currentImage != null) {
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// 强制以 ICON_SIZE x ICON_SIZE 绘制图标并居中
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int drawW = ICON_SIZE;
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int drawH = ICON_SIZE;
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int x = (w - drawW) / 2;
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int y = (h - drawH) / 2;
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g2.drawImage(currentImage, x, y, drawW, drawH, null);
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} else {
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// 回退为圆圈绘制，保留原样风格
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int diameter = Math.min(w, h) - 2;
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int x = (w - diameter) / 2;
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int y = (h - diameter) / 2;
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g2.setColor(currentColor);
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g2.fillOval(x, y, diameter, diameter);
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g2.setColor(new Color(255, 255, 255, 128));
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g2.drawOval(x, y, diameter, diameter);
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}
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} finally {
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g2.dispose();
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}
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}
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}
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