init

2026-03-11 09:44:18 +08:00
commit eeebb2070e
69 changed files with 2191 additions and 0 deletions
@@ -0,0 +1,171 @@
+
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.pdf.PdfRenderer;
+import android.os.ParcelFileDescriptor;
+import android.text.TextUtils;
+import android.util.Log;
+import android.util.Base64;
+
+import com.google.zxing.BarcodeFormat;
+import com.google.zxing.BinaryBitmap;
+import com.google.zxing.ChecksumException;
+import com.google.zxing.EncodeHintType;
+import com.google.zxing.FormatException;
+import com.google.zxing.MultiFormatWriter;
+import com.google.zxing.NotFoundException;
+import com.google.zxing.RGBLuminanceSource;
+import com.google.zxing.Result;
+import com.google.zxing.WriterException;
+import com.google.zxing.common.BitMatrix;
+import com.google.zxing.common.CharacterSetECI;
+import com.google.zxing.common.HybridBinarizer;
+import com.google.zxing.pdf417.PDF417Writer;
+import com.google.zxing.pdf417.encoder.Compaction;
+import com.google.zxing.pdf417.encoder.Dimensions;
+import com.google.zxing.pdf417.encoder.PDF417;
+import com.google.zxing.qrcode.QRCodeReader;
+import com.google.zxing.qrcode.QRCodeWriter;
+import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
+
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.HashMap;
+import java.util.Hashtable;
+import java.util.Map;
+
+/**
+ * 二维码生成工具类
+ */
+public class QRCodeGenerator {
+	private static final String TAG = "ZxingUtil";
+	
+
+	/**
+	 * 在二维码中间添加Logo图案
+	 */
+	private static Bitmap addLogo(Bitmap src,int logoW,int logoH, Bitmap logo) {
+		if (src == null) {
+			return null;
+		}
+
+		if (logo == null) {
+			return src;
+		}
+		logo=resizeBitmap(logo,logoW,logoH);
+		// 获取图片的宽高
+		int srcWidth = src.getWidth();
+		int srcHeight = src.getHeight();
+		int logoWidth = logo.getWidth();
+		int logoHeight = logo.getHeight();
+
+		if (srcWidth == 0 || srcHeight == 0) {
+			return null;
+		}
+
+		if (logoWidth == 0 || logoHeight == 0) {
+			return src;
+		}
+
+		// logo大小为二维码整体大小的1/5
+		// float scaleFactor = srcWidth * 1.0f / 5 / logoWidth;
+		Bitmap bitmap = Bitmap.createBitmap(srcWidth, srcHeight,
+				Bitmap.Config.ARGB_8888);
+		try {
+			Canvas canvas = new Canvas(bitmap);
+			canvas.drawBitmap(src, 0, 0, null);
+			// canvas.scale(scaleFactor, scaleFactor, srcWidth / 2, srcHeight / 2);
+			canvas.drawBitmap(logo, (srcWidth - logoWidth) / 2,
+					(srcHeight - logoHeight) / 2, null);
+
+			canvas.save();
+			canvas.restore();
+		} catch (Exception e) {
+			bitmap = null;
+			e.getStackTrace();
+		}
+
+		return bitmap;
+	}
+	public static Bitmap generateQRCodeWithLogo(String content, int widthPix,
+										   int heightPix,int logoW,int logoH, Bitmap logoBm) {
+
+		if (content == null || "".equals(content)) {
+			return null;
+		}
+		Bitmap bitmap = null;
+		// 配置参数
+		Map<EncodeHintType, Object> hints = new HashMap<EncodeHintType, Object>();
+		hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
+		// 容错级别
+		hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
+		// 设置空白边距的宽度
+	hints.put(EncodeHintType.MARGIN, 0); //default is 4
+
+
+		// 图像数据转换，使用了矩阵转换
+		BitMatrix bitMatrix;
+		try {
+			bitMatrix = new QRCodeWriter().encode(content,
+					BarcodeFormat.QR_CODE, widthPix, heightPix, hints);
+
+			int[] pixels = new int[widthPix * heightPix];
+			// 下面这里按照二维码的算法，逐个生成二维码的图片，
+			// 两个for循环是图片横列扫描的结果
+			for (int y = 0; y < heightPix; y++) {
+				for (int x = 0; x < widthPix; x++) {
+					if (bitMatrix.get(x, y)) {
+						pixels[y * widthPix + x] = 0xff000000;
+					} else {
+						pixels[y * widthPix + x] = 0xffffffff;
+					}
+				}
+			}
+
+			// 生成二维码图片的格式，使用ARGB_8888
+			bitmap = Bitmap.createBitmap(widthPix, heightPix,
+					Bitmap.Config.ARGB_8888);
+			bitmap.setPixels(pixels, 0, widthPix, 0, 0, widthPix, heightPix);
+
+			if (logoBm != null) {
+				bitmap = addLogo(bitmap, logoW,logoH,logoBm);
+			}
+			// if(!TextUtils.isEmpty(filePath)){
+
+
+			// 	bitmap.compress(Bitmap.CompressFormat.JPEG, 100,
+			// 			new FileOutputStream(filePath));}
+		} catch (WriterException e) {
+			//
+			e.printStackTrace();
+		}
+		return bitmap;
+
+	}
+
+
+	public static Bitmap resizeBitmap(Bitmap originalBitmap, int newWidth, int newHeight) {
+	    // 创建一个新的Bitmap对象，指定缩放后的宽度、高度和配置（这里使用与原Bitmap相同的配置）
+	    Bitmap resizedBitmap = Bitmap.createScaledBitmap(originalBitmap, newWidth, newHeight, true);
+	    return resizedBitmap;
+	}
+
+	
+	 public static String convert(Bitmap bitmap) {
+	        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
+	        // 压缩Bitmap到字节数组中，格式为PNG，质量为100%
+	        bitmap.compress(Bitmap.CompressFormat.PNG, 100, byteArrayOutputStream);
+	        byte[] byteArray = byteArrayOutputStream.toByteArray();
+	        // 将字节数组编码为Base64字符串
+	        String encoded = Base64.encodeToString(byteArray, Base64.DEFAULT);
+	        return encoded;
+	    }
+
+}