package com.ruoyi.service.impl;
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import org.krysalis.barcode4j.impl.code128.Code128Bean;
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import org.krysalis.barcode4j.output.bitmap.BitmapCanvasProvider;
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import org.springframework.stereotype.Service;
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import java.awt.image.BufferedImage;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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@Service
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public class BarcodeService {
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public byte[] generateBarcodeImage(String barcodeText) {
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try {
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Code128Bean barcodeGenerator = new Code128Bean();
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final int dpi = 160;
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barcodeGenerator.setModuleWidth(0.21);
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barcodeGenerator.doQuietZone(false);
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ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
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BitmapCanvasProvider canvas = new BitmapCanvasProvider(
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outputStream, "image/png", dpi, BufferedImage.TYPE_BYTE_BINARY, false, 0);
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barcodeGenerator.generateBarcode(canvas, barcodeText);
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canvas.finish();
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return outputStream.toByteArray();
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} catch (IOException e) {
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throw new RuntimeException("Error generating barcode", e);
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}
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}
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}
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