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https://jira.baeldung.com/browse/BAEL-7723

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michaelin007 2024-04-01 09:56:31 +00:00
parent 8ab93e1573
commit 4a35b225e7
2 changed files with 8 additions and 8 deletions
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4
spring-boot-modules/spring-boot-libraries/src/main/java/com/baeldung/barcodes/BarcodesController.java
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@ -84,8 +84,8 @@ public class BarcodesController {
} }
@GetMapping(value = "/zxing/qrcode/text", produces = MediaType.IMAGE_PNG_VALUE) @GetMapping(value = "/zxing/qrcode/text", produces = MediaType.IMAGE_PNG_VALUE)
public ResponseEntity<BufferedImage> zxingCodeQRcodeText(@RequestParam("barcode") String barcode, @RequestParam("name") String name, @RequestParam("info") String info) throws Exception { public ResponseEntity<BufferedImage> zxingCodeQRcodeText(@RequestParam("barcode") String barcode, @RequestParam("toptext") String toptext, @RequestParam("bottomtext") String bottomtext) throws Exception {
return okResponse(ZxingBarcodeGeneratorWithText.createQRwithText(barcode, name, info)); return okResponse(ZxingBarcodeGeneratorWithText.createQRwithText(barcode, toptext, bottomtext));
} }
@PostMapping(value = "/zxing/pdf417", produces = MediaType.IMAGE_PNG_VALUE) @PostMapping(value = "/zxing/pdf417", produces = MediaType.IMAGE_PNG_VALUE)

12
spring-boot-modules/spring-boot-libraries/src/main/java/com/baeldung/barcodes/generators/ZxingBarcodeGeneratorWithText.java
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@ -13,10 +13,10 @@ import java.io.IOException;
public class ZxingBarcodeGeneratorWithText { public class ZxingBarcodeGeneratorWithText {
public static BufferedImage createQRwithText(String data, String name, String info) throws WriterException, IOException { public static BufferedImage createQRwithText(String data, String topText, String bottomText) throws WriterException, IOException {
QRCodeWriter barcodeWriter = new QRCodeWriter(); QRCodeWriter barcodeWriter = new QRCodeWriter();
BitMatrix matrix = barcodeWriter.encode(data, BarcodeFormat.QR_CODE, 200, 200); BitMatrix matrix = barcodeWriter.encode(data, BarcodeFormat.QR_CODE, 200, 200);
return modifiedQRCode(matrix, name, info); return modifiedQRCode(matrix, topText, bottomText);
} }
public static BufferedImage modifiedQRCode(BitMatrix matrix, String topText, String bottomText) throws IOException { public static BufferedImage modifiedQRCode(BitMatrix matrix, String topText, String bottomText) throws IOException {
@ -40,7 +40,7 @@ public class ZxingBarcodeGeneratorWithText {
FontMetrics fontMetrics = graphics.getFontMetrics(); FontMetrics fontMetrics = graphics.getFontMetrics();
int topTextWidth = fontMetrics.stringWidth(topText); int topTextWidth = fontMetrics.stringWidth(topText);
int bottomTextWidth = fontMetrics.stringWidth(bottomText); int bottomTextWidth = fontMetrics.stringWidth(bottomText);
int finalWidth = Math.max(matrixWidth, Math.max(topTextWidth, bottomTextWidth)) + 10; int finalWidth = Math.max(matrixWidth, Math.max(topTextWidth, bottomTextWidth)) + 1;
int finalHeight = matrixHeight + fontMetrics.getHeight() + fontMetrics.getAscent() + 1; int finalHeight = matrixHeight + fontMetrics.getHeight() + fontMetrics.getAscent() + 1;
BufferedImage finalImage = new BufferedImage(finalWidth, finalHeight, BufferedImage.TYPE_INT_RGB); BufferedImage finalImage = new BufferedImage(finalWidth, finalHeight, BufferedImage.TYPE_INT_RGB);
@ -49,9 +49,9 @@ public class ZxingBarcodeGeneratorWithText {
finalGraphics.fillRect(0, 0, finalWidth, finalHeight); finalGraphics.fillRect(0, 0, finalWidth, finalHeight);
finalGraphics.setColor(Color.BLACK); finalGraphics.setColor(Color.BLACK);
finalGraphics.drawImage(image, (finalWidth - matrixWidth) / 2, fontMetrics.getAscent() + 5, null); finalGraphics.drawImage(image, (finalWidth - matrixWidth) / 2, fontMetrics.getAscent() + 2, null);
finalGraphics.drawString(topText, (finalWidth - topTextWidth) / 2, fontMetrics.getAscent() + 5); finalGraphics.drawString(topText, (finalWidth - topTextWidth) / 2, fontMetrics.getAscent() + 2);
finalGraphics.drawString(bottomText, (finalWidth - bottomTextWidth) / 2, finalHeight - fontMetrics.getDescent() - 5); finalGraphics.drawString(bottomText, (finalWidth - bottomTextWidth) / 2, finalHeight - fontMetrics.getDescent() - 2);
return finalImage; return finalImage;
} }