/**
* 字符串转二维码
*
* @param str 渠道号
*/
private void StringToBarcode(String str) {
BitMatrix byteMatrix = null;
try {
// 如果目录不存在-创建目录
if (!mConfig.getOutPath().exists()) {
mConfig.getOutPath().mkdir();
}
String change = new String(str.getBytes(mConfig.getCharCode()), mConfig.getCharCode());
// 二维码内容
String content = mConfig.getContentRegex().replace("*", change);
// 二维码宽度
int width = mConfig.getWidth();
QRCoder bc = new QRCoder();
// 输出文件
String outPutFile =
mConfig.getOutPath().getPath() + File.separator + str + "." + mConfig.getFormate();
bc.createQrCode(
content,
width,
width,
outPutFile,
mConfig.getLogo(),
mConfig.getFormate(),
0xFF00000F,
0xFFFFFFFF,
mConfig.getLogoCent());
} catch (Exception e) {
e.printStackTrace();
} finally {
if (byteMatrix != null) {
byteMatrix.clear();
}
}
}
/*
* 去白边
*/
public static BitMatrix deleteWhite(BitMatrix matrix) {
int[] rec = matrix.getEnclosingRectangle();
int resWidth = rec[2] + 1;
int resHeight = rec[3] + 1;
BitMatrix resMatrix = new BitMatrix(resWidth, resHeight);
resMatrix.clear();
for (int i = 0; i < resWidth; i++) {
for (int j = 0; j < resHeight; j++) {
if (matrix.get(i + rec[0], j + rec[1])) resMatrix.set(i, j);
}
}
return resMatrix;
}
/**
* Convert the ByteMatrix to BitMatrix.
*
* @param matrix The input matrix.
* @return The output matrix.
*/
private static BitMatrix convertByteMatrixToBitMatrix(ByteMatrix matrix) {
int matrixWidgth = matrix.getWidth();
int matrixHeight = matrix.getHeight();
BitMatrix output = new BitMatrix(matrixWidgth, matrixHeight);
output.clear();
for (int i = 0; i < matrixWidgth; i++) {
for (int j = 0; j < matrixHeight; j++) {
// Zero is white in the bytematrix
if (matrix.get(i, j) == 1) {
output.set(i, j);
}
}
}
return output;
}
private static BitMatrix updateBit(BitMatrix matrix, int margin) {
int tempM = margin * 2;
int[] rec = matrix.getEnclosingRectangle(); // 获取二维码图案的属性
int resWidth = rec[2] + tempM;
int resHeight = rec[3] + tempM;
BitMatrix resMatrix = new BitMatrix(resWidth, resHeight); // 按照自定义边框生成新的BitMatrix
resMatrix.clear();
for (int i = margin; i < resWidth - margin; i++) { // 循环，将二维码图案绘制到新的bitMatrix中
for (int j = margin; j < resHeight - margin; j++) {
if (matrix.get(i - margin + rec[0], j - margin + rec[1])) {
resMatrix.set(i, j);
}
}
}
return resMatrix;
}
public void encode(String str, String path, int width, int height) {
try {
Map hints = new HashMap();
hints.put(EncodeHintType.MARGIN, 0);
// hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");
hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
BitMatrix byteMatrix =
new MultiFormatWriter().encode(str, BarcodeFormat.QR_CODE, width, height, hints);
/** tianboalei 2015-1-22 去掉生成二维码时周围的白圈 */
// 1
int[] rec = byteMatrix.getEnclosingRectangle();
int resWidth = rec[2] + 1;
int resHeight = rec[3] + 1;
BitMatrix resMatrix = new BitMatrix(resWidth, resHeight);
resMatrix.clear();
for (int i = 0; i < resWidth; i++) {
for (int j = 0; j < resHeight; j++) {
if (byteMatrix.get(i + rec[0], j + rec[1])) {
resMatrix.set(i, j);
}
}
}
// 2
int widthT = resMatrix.getWidth();
int heightT = resMatrix.getHeight();
BufferedImage image = new BufferedImage(widthT, heightT, BufferedImage.TYPE_INT_ARGB);
for (int x = 0; x < widthT; x++) {
for (int y = 0; y < heightT; y++) {
image.setRGB(
x, y, resMatrix.get(x, y) == true ? Color.BLACK.getRGB() : Color.WHITE.getRGB());
}
}
/** 去掉二维码周围白圈结束 */
File file = new File(path);
writeToFile(resMatrix, "png", file);
} catch (Exception e) {
e.printStackTrace();
}
}