Save QR Codes

How to Save QR Code

To save the generated QR Code image, please refer to the following steps:

1. Select the Type
2. Input the QR Code content data
3. Customize QR Code Settings (Optional)
4. Click Generate Preview button
5. Click the desired image format link such as PNG, GIF, JPEG, TIFF to download under Download As section

You will see File Download dialog box on your browser to save the generated QR Code on your system.

Procedure

API

 GET /qrcodegen/api/qrcode/generate?data=<URL>&foreColor=&bgColor=&ecc=&size=&format=[png|jpeg|gif|tiff|bmp]&download=true

Example:

http://localhost:8080/qrcodegen/api/qrcode/generate?data=http://aspose.com&foreColor=&bgColor=&ecc=&size=&format=png&download=true

Java Script

The addRequestSettings function is used to add customize QR Code settings to the API request parameters.

  addRequestSettings : function(requestString){

 requestString = requestString + "&ecc=" + this.$('.errorCorrectionCode option:selected').text();

 requestString = requestString + "&foreColor=" + encodeURIComponent(this.$('.input-fcolor').val());

 requestString = requestString + "&bgColor=" + encodeURIComponent(this.$('.input-bgcolor').val());

 if(this.$('.input-size').val() != "100x100")

 requestString = requestString + "&size=" + this.$('.input-size').val();

 return requestString;

 }

Java

Core API Method - QRCodeManagementController.generateQRCode 

 @RequestMapping(value = "generate", method = RequestMethod.GET,

    		produces = {MediaType.IMAGE_JPEG_VALUE, MediaType.IMAGE_PNG_VALUE, MediaType.IMAGE_GIF_VALUE, MediaType_IMAGE_TIFF_VALUE, MediaType_IMAGE_BMP_VALUE})

    @ApiOperation(value = "Generate QR Code.")

    public ResponseEntity<byte[]>  generateQRCode(

    		@ApiParam( value = "data", name="data" , required = true)

    		@RequestParam("data") String data,

        HttpServletRequest request,HttpServletResponse response,

        @ApiParam( value = "A user-chosen password that can be used with password-based encryption (PBE) Algo PBEWITHMD5AND128BITAES-CBC-OPENSSL)", name="passKey", required=false) @RequestParam(required=false, value="passKey") String passKey,

        @ApiParam( value = "ForeColor e.g #000000 (Black - RGB(hex))", name="foreColor", required=false) @RequestParam(required=false, value="foreColor") String foreColor,

        @ApiParam( value = "BackgroundColor e.g #FFFFFF (White - RGB(hex))", name="bgColor", required=false) @RequestParam(required=false, value="bgColor") String bgColor,

        @ApiParam( value = "L|M|Q|H - Reed-Solomon error correctionCode Level(from low to high) default=Low", name="ecc", required=false) @RequestParam(required=false, value="ecc") String ecc,

        @ApiParam( value = "Image Size e.g #150x150", name="size", required=false) @RequestParam(required=false, value="size") String size,

        @ApiParam( value = "jpeg|tiff|gif|png|bmp - default=png", name="format", required=false) @RequestParam(required=false, value="format") String format,

        @ApiParam( value = "true|false default=false", name="download", required=false) @RequestParam(required=false, value="download") boolean download,

        @ApiIgnore @Value("#{request.getHeader('" +  ACCEPT_HEADER + "')}") String acceptHeaderValue) throws Exception {

Save QR Code Image - QRCodeManagementController.generateQRCode

 if(download){

 MediaType responseType = responseImageTypeDto.getMediaType();

         responseHeaders.setContentType(responseType);

         responseHeaders.add("Content-Disposition", "attachment; filename="+"Aspose_BarCode_QRCodeGen." + responseType.getSubtype());

 }