尺寸调整

src/main/java/com/example/printer/DrawImageUtil.java

@@ -12,7 +12,7 @@ import java.io.IOException;
  */
 public class DrawImageUtil {
 
-    private static Integer width = 400;
+    private static Integer width = 300;
 
     private static Integer height = 200;
 
@@ -31,10 +31,10 @@ public class DrawImageUtil {
         //留白率 例如40就是留白1/40
         int blankRange = 40;
         //计算条形码尺寸
-        Integer barCodeWidth = width - (width / blankRange) * 2;
-        Integer barCodeHeight = (height - offsetY) / 5;
+        Integer barCodeWidth = width - (width / blankRange) * 2;//320
+        Integer barCodeHeight = (height - offsetY) / 5;//32
         //计算字体尺寸
-        int fontSize = Math.min(((height - offsetY) / 2) / 3, (width - width / blankRange - offsetX) / maxLength(string1, string2, string3));
+        int fontSize = Math.min(((height - offsetY) / 5), (width - width / blankRange - offsetX) / maxLength(string1, string2, string3));
         graphics.setFont(new Font("Default", Font.BOLD, fontSize));
         //写入条形码
         graphics.drawImage(BarCodeUtil.createBarCodeImg(String.valueOf(id), barCodeWidth, barCodeHeight), null, width / blankRange, offsetY + height / blankRange);

src/main/java/com/example/printer/Test.java

+package com.example.printer;
+
+import java.awt.image.BufferedImage;
+import java.io.File;
+
+import static java.lang.String.format;
+
+public class Test {
+
+    public static void main(String[] args) {
+        BufferedImage bufferedImage = DrawImageUtil.drawImage(1, "123", "123", "123");
+        DrawImageUtil.writeImage(bufferedImage,System.getProperty("user.dir")+File.separator+"test.png");
+        PrinterUtil.execute(Image2Zpl.image2Zpl(bufferedImage));
+    }
+
+}