本文整理汇总了Java中com.google.zxing.common.BitSource.getByteOffset方法的典型用法代码示例。如果您正苦于以下问题：Java BitSource.getByteOffset方法的具体用法？Java BitSource.getByteOffset怎么用？Java BitSource.getByteOffset使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.google.zxing.common.BitSource的用法示例。
在下文中一共展示了BitSource.getByteOffset方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: decodeBase256Segment
import com.google.zxing.common.BitSource; //导入方法依赖的package包/类
/**
* See ISO 16022:2006, 5.2.9 and Annex B, B.2
*/
private static void decodeBase256Segment(BitSource bits,
StringBuilder result,
Collection<byte[]> byteSegments)
throws FormatException {
// Figure out how long the Base 256 Segment is.
int codewordPosition = 1 + bits.getByteOffset(); // position is 1-indexed
int d1 = unrandomize255State(bits.readBits(8), codewordPosition++);
int count;
if (d1 == 0) { // Read the remainder of the symbol
count = bits.available() / 8;
} else if (d1 < 250) {
count = d1;
} else {
count = 250 * (d1 - 249) + unrandomize255State(bits.readBits(8), codewordPosition++);
}
// We're seeing NegativeArraySizeException errors from users.
if (count < 0) {
throw FormatException.getFormatInstance();
}
byte[] bytes = new byte[count];
for (int i = 0; i < count; i++) {
// Have seen this particular error in the wild, such as at
// http://www.bcgen.com/demo/IDAutomationStreamingDataMatrix.aspx?MODE=3&D=Fred&PFMT=3&PT=F&X=0.3&O=0&LM=0.2
if (bits.available() < 8) {
throw FormatException.getFormatInstance();
}
bytes[i] = (byte) unrandomize255State(bits.readBits(8), codewordPosition++);
}
byteSegments.add(bytes);
try {
result.append(new String(bytes, "ISO8859_1"));
} catch (UnsupportedEncodingException uee) {
throw new IllegalStateException("Platform does not support required encoding: " + uee);
}
}
示例2: decodeBase256Segment
import com.google.zxing.common.BitSource; //导入方法依赖的package包/类
private static void decodeBase256Segment(BitSource bits, StringBuilder result,
Collection<byte[]> byteSegments) throws
FormatException {
int count;
int codewordPosition = bits.getByteOffset() + 1;
int codewordPosition2 = codewordPosition + 1;
int d1 = unrandomize255State(bits.readBits(8), codewordPosition);
if (d1 == 0) {
count = bits.available() / 8;
codewordPosition = codewordPosition2;
} else if (d1 < 250) {
count = d1;
codewordPosition = codewordPosition2;
} else {
codewordPosition = codewordPosition2 + 1;
count = ((d1 - 249) * 250) + unrandomize255State(bits.readBits(8), codewordPosition2);
}
if (count < 0) {
throw FormatException.getFormatInstance();
}
byte[] bytes = new byte[count];
int i = 0;
codewordPosition2 = codewordPosition;
while (i < count) {
if (bits.available() < 8) {
throw FormatException.getFormatInstance();
}
codewordPosition = codewordPosition2 + 1;
bytes[i] = (byte) unrandomize255State(bits.readBits(8), codewordPosition2);
i++;
codewordPosition2 = codewordPosition;
}
byteSegments.add(bytes);
try {
result.append(new String(bytes, "ISO8859_1"));
} catch (UnsupportedEncodingException uee) {
throw new IllegalStateException("Platform does not support required encoding: " + uee);
}
}