/**
* Returns a {@link android.graphics.Bitmap} without creating a {@link java.io.File} first.
*
* @return {@link android.graphics.Bitmap} of this QRCode
*/
public Bitmap bitmap() {
try {
return MatrixToImageWriter.toBitmap(createMatrix(text));
} catch (WriterException e) {
throw new RuntimeException(
"Failed to create QR image from text due to underlying exception", e);
}
}
public static void main(String[] args) throws Exception {
EncoderConfig config = new EncoderConfig();
JCommander jCommander = new JCommander(config, args);
jCommander.setProgramName(CommandLineEncoder.class.getSimpleName());
if (config.help) {
jCommander.usage();
return;
}
String outFileString = config.outputFileBase;
if (EncoderConfig.DEFAULT_OUTPUT_FILE_BASE.equals(outFileString)) {
outFileString += '.' + config.imageFormat.toLowerCase(Locale.ENGLISH);
}
Map<EncodeHintType, Object> hints = new EnumMap<>(EncodeHintType.class);
if (config.errorCorrectionLevel != null) {
hints.put(EncodeHintType.ERROR_CORRECTION, config.errorCorrectionLevel);
}
BitMatrix matrix =
new MultiFormatWriter()
.encode(
config.contents.get(0), config.barcodeFormat, config.width, config.height, hints);
MatrixToImageWriter.writeToPath(matrix, config.imageFormat, Paths.get(outFileString));
}