Java BitMatrix.clear方法代码示例

import com.google.zxing.common.BitMatrix; //导入方法依赖的package包/类
/**
 * Get BitMatrix
 *
 * @param matrix BitMatrix
 * @param margin margin
 * @return BitMatrix
 */
public static BitMatrix updateBit(BitMatrix matrix, int margin) {
    int tempM = margin * 2;
    int[] rec = matrix.getEnclosingRectangle();   //Gets the properties of the two-dimensional code pattern
    int resWidth = rec[2] + tempM;
    int resHeight = rec[3] + tempM;
    BitMatrix resMatrix = new BitMatrix(resWidth, resHeight); //Generates a new BitMatrix according to the custom borders
    resMatrix.clear();
    for (int i = margin; i < resWidth - margin; i++) {   //Loop to draw the 2D code pattern into the new bitMatrix
        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;
}
 

import com.google.zxing.common.BitMatrix; //导入方法依赖的package包/类
/**
 * 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;
}
 

import com.google.zxing.common.BitMatrix; //导入方法依赖的package包/类
private static BitMatrix bitMatrixFrombitArray(byte[][] input) {
    BitMatrix output = new BitMatrix(input[0].length + 60, input.length + 60);
    output.clear();
    int y = 0;
    int yOutput = output.getHeight() - 30;
    while (y < input.length) {
        for (int x = 0; x < input[0].length; x++) {
            if (input[y][x] == (byte) 1) {
                output.set(x + 30, yOutput);
            }
        }
        y++;
        yOutput--;
    }
    return output;
}
 

import com.google.zxing.common.BitMatrix; //导入方法依赖的package包/类
private static BitMatrix bitMatrixFrombitArray(byte[][] input, int margin) {
    BitMatrix output = new BitMatrix(input[0].length + (margin * 2), input.length + (margin *
            2));
    output.clear();
    int y = 0;
    int yOutput = (output.getHeight() - margin) - 1;
    while (y < input.length) {
        for (int x = 0; x < input[0].length; x++) {
            if (input[y][x] == (byte) 1) {
                output.set(x + margin, yOutput);
            }
        }
        y++;
        yOutput--;
    }
    return output;
}
 

import com.google.zxing.common.BitMatrix; //导入方法依赖的package包/类
/**
 * This takes an array holding the values of the PDF 417
 *
 * @param input a byte array of information with 0 is black, and 1 is white
 * @param margin border around the barcode
 * @return BitMatrix of the input
 */
private static BitMatrix bitMatrixFrombitArray(byte[][] input, int margin) {
  // Creates the bitmatrix with extra space for whitespace
  BitMatrix output = new BitMatrix(input[0].length + 2 * margin, input.length + 2 * margin);
  output.clear();
  for (int y = 0, yOutput = output.getHeight() - margin - 1; y < input.length; y++, yOutput--) {
    for (int x = 0; x < input[0].length; x++) {
      // Zero is white in the bytematrix
      if (input[y][x] == 1) {
        output.set(x + margin, yOutput);
      }
    }
  }
  return output;
}
 

import com.google.zxing.common.BitMatrix; //导入方法依赖的package包/类
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;
}
 

import com.google.zxing.common.BitMatrix; //导入方法依赖的package包/类
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++) {
            if (matrix.get(i, j) == (byte) 1) {
                output.set(i, j);
            }
        }
    }
    return output;
}