生成头像时，使用自定义字体，防止字体确实导致乱码

wildfirechat · Jul 26, 2023 · 93ddd36 · 93ddd36
1 parent c9e1548
commit 93ddd36
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Showing 3 changed files with 35 additions and 5 deletions.
diff --git a/src/main/java/cn/wildfirechat/app/avatar/GroupAvatarUtil.java b/src/main/java/cn/wildfirechat/app/avatar/GroupAvatarUtil.java
@@ -9,8 +9,10 @@
 import java.io.DataInputStream;
 import java.io.File;
 import java.io.IOException;
+import java.net.HttpURLConnection;
 import java.net.URISyntaxException;
 import java.net.URL;
+import java.net.URLConnection;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -147,12 +149,15 @@ public static void getCombinationOfHead(List<URL> paths, File targetFile)
      * @param bb       比例不对时是否需要补白
      */
     private static BufferedImage resize2(URL filePath, int height, int width,
-                                         boolean bb) throws URISyntaxException {
+                                         boolean bb) {
+        DataInputStream dis = null;
         try {
-            double ratio = 0; // 缩放比例
-
-            DataInputStream dis = new DataInputStream(filePath.openStream());
+            URLConnection urlConnection = filePath.openConnection();
+            urlConnection.setConnectTimeout(5 * 1000);
+            urlConnection.setReadTimeout(5 * 1000);
+            dis = new DataInputStream(urlConnection.getInputStream());
 
+            double ratio = 0; // 缩放比例
             //File f = new File(dis);
             BufferedImage bi = ImageIO.read(dis);
             Image itemp = bi.getScaledInstance(width, height,
@@ -191,6 +196,15 @@ private static BufferedImage resize2(URL filePath, int height, int width,
             return (BufferedImage) itemp;
         } catch (IOException e) {
             e.printStackTrace();
+        } finally {
+            if (dis != null) {
+                try {
+                    dis.close();
+                } catch (IOException e) {
+                    throw new RuntimeException(e);
+                }
+            }
+
         }
         return null;
     }

diff --git a/src/main/java/cn/wildfirechat/app/avatar/NameAvatarBuilder.java b/src/main/java/cn/wildfirechat/app/avatar/NameAvatarBuilder.java
@@ -1,9 +1,12 @@
 package cn.wildfirechat.app.avatar;
 
+import org.springframework.core.io.ClassPathResource;
+
 import java.awt.*;
 import java.awt.image.BufferedImage;
 import java.io.File;
 import java.io.IOException;
+import java.io.InputStream;
 
 import javax.imageio.ImageIO;
 
@@ -16,6 +19,8 @@ public class NameAvatarBuilder {
 
     private String fullName;
 
+    private static volatile Font font;
+
     public NameAvatarBuilder(String bgRGB) {
         templateImage = new BufferedImage(100, 100, BufferedImage.TYPE_INT_RGB);
         templateG2D = templateImage.createGraphics();
@@ -28,7 +33,18 @@ public NameAvatarBuilder(String bgRGB) {
     public NameAvatarBuilder name(String drawName, String fullName) {
         this.fullName = fullName;
         // Get the FontMetrics
-        Font font = templateG2D.getFont().deriveFont(40f);
+        // 加载自定义字体
+        if (font == null) {
+            try (InputStream inputStream = new ClassPathResource("fonts/simhei.ttf").getInputStream()) {
+                // 加载自定义字体
+                Font customFont = Font.createFont(Font.TRUETYPE_FONT, inputStream);
+                // 设置字体样式
+                font = customFont.deriveFont(Font.PLAIN, 40);
+            } catch (IOException | FontFormatException e) {
+                e.printStackTrace();
+            }
+        }
+
         FontMetrics metrics = templateG2D.getFontMetrics(font);
         // Determine the X coordinate for the text
         int x = (templateWidth - metrics.stringWidth(drawName)) / 2;

diff --git a/src/main/resources/fonts/simhei.ttf b/src/main/resources/fonts/simhei.ttf