本文整理汇总了Java中com.google.zxing.qrcode.decoder.Version.getTotalCodewords方法的典型用法代码示例。如果您正苦于以下问题：Java Version.getTotalCodewords方法的具体用法？Java Version.getTotalCodewords怎么用？Java Version.getTotalCodewords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.qrcode.decoder.Version的用法示例。
在下文中一共展示了Version.getTotalCodewords方法的5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: chooseVersion
import com.google.zxing.qrcode.decoder.Version; //导入方法依赖的package包/类
private static Version chooseVersion(int numInputBits, ErrorCorrectionLevel ecLevel) throws WriterException {
// In the following comments, we use numbers of Version 7-H.
for (int versionNum = 1; versionNum <= 40; versionNum++) {
Version version = Version.getVersionForNumber(versionNum);
// numBytes = 196
int numBytes = version.getTotalCodewords();
// getNumECBytes = 130
Version.ECBlocks ecBlocks = version.getECBlocksForLevel(ecLevel);
int numEcBytes = ecBlocks.getTotalECCodewords();
// getNumDataBytes = 196 - 130 = 66
int numDataBytes = numBytes - numEcBytes;
int totalInputBytes = (numInputBits + 7) / 8;
if (numDataBytes >= totalInputBytes) {
return version;
}
}
throw new WriterException("Data too big");
}
示例2: willFit
import com.google.zxing.qrcode.decoder.Version; //导入方法依赖的package包/类
/**
* @return true if the number of input bits will fit in a code with the specified version and
* error correction level.
*/
private static boolean willFit(int numInputBits, Version version, ErrorCorrectionLevel ecLevel) {
// In the following comments, we use numbers of Version 7-H.
// numBytes = 196
int numBytes = version.getTotalCodewords();
// getNumECBytes = 130
Version.ECBlocks ecBlocks = version.getECBlocksForLevel(ecLevel);
int numEcBytes = ecBlocks.getTotalECCodewords();
// getNumDataBytes = 196 - 130 = 66
int numDataBytes = numBytes - numEcBytes;
int totalInputBytes = (numInputBits + 7) / 8;
return numDataBytes >= totalInputBytes;
}
示例3: chooseVersion
import com.google.zxing.qrcode.decoder.Version; //导入方法依赖的package包/类
private static Version chooseVersion(int numInputBits, ErrorCorrectionLevel ecLevel) throws
WriterException {
for (int versionNum = 1; versionNum <= 40; versionNum++) {
Version version = Version.getVersionForNumber(versionNum);
if (version.getTotalCodewords() - version.getECBlocksForLevel(ecLevel)
.getTotalECCodewords() >= (numInputBits + 7) / 8) {
return version;
}
}
throw new WriterException("Data too big");
}
示例4: willFit
import com.google.zxing.qrcode.decoder.Version; //导入方法依赖的package包/类
/**
* @return true if the number of input bits will fit in a code with the specified version and
* error correction level.
*/
private static boolean willFit(int numInputBits, Version version, ErrorCorrectionLevel ecLevel) {
// In the following comments, we use numbers of Version 7-H.
// numBytes = 196
int numBytes = version.getTotalCodewords();
// getNumECBytes = 130
Version.ECBlocks ecBlocks = version.getECBlocksForLevel(ecLevel);
int numEcBytes = ecBlocks.getTotalECCodewords();
// getNumDataBytes = 196 - 130 = 66
int numDataBytes = numBytes - numEcBytes;
int totalInputBytes = (numInputBits + 7) / 8;
return numDataBytes >= totalInputBytes;
}
示例5: encode
import com.google.zxing.qrcode.decoder.Version; //导入方法依赖的package包/类
public static QRCode encode(String content, ErrorCorrectionLevel ecLevel, Map<EncodeHintType,
?> hints) throws WriterException {
String encoding;
if (hints == null) {
encoding = null;
} else {
encoding = (String) hints.get(EncodeHintType.CHARACTER_SET);
}
if (encoding == null) {
encoding = DEFAULT_BYTE_MODE_ENCODING;
}
Mode mode = chooseMode(content, encoding);
BitArray headerBits = new BitArray();
if (mode == Mode.BYTE && !DEFAULT_BYTE_MODE_ENCODING.equals(encoding)) {
CharacterSetECI eci = CharacterSetECI.getCharacterSetECIByName(encoding);
if (eci != null) {
appendECI(eci, headerBits);
}
}
appendModeInfo(mode, headerBits);
BitArray dataBits = new BitArray();
appendBytes(content, mode, dataBits, encoding);
Version version = chooseVersion((headerBits.getSize() + mode.getCharacterCountBits
(chooseVersion((headerBits.getSize() + mode.getCharacterCountBits(Version
.getVersionForNumber(1))) + dataBits.getSize(), ecLevel))) + dataBits
.getSize(), ecLevel);
BitArray headerAndDataBits = new BitArray();
headerAndDataBits.appendBitArray(headerBits);
appendLengthInfo(mode == Mode.BYTE ? dataBits.getSizeInBytes() : content.length(),
version, mode, headerAndDataBits);
headerAndDataBits.appendBitArray(dataBits);
ECBlocks ecBlocks = version.getECBlocksForLevel(ecLevel);
int numDataBytes = version.getTotalCodewords() - ecBlocks.getTotalECCodewords();
terminateBits(numDataBytes, headerAndDataBits);
BitArray finalBits = interleaveWithECBytes(headerAndDataBits, version.getTotalCodewords()
, numDataBytes, ecBlocks.getNumBlocks());
QRCode qrCode = new QRCode();
qrCode.setECLevel(ecLevel);
qrCode.setMode(mode);
qrCode.setVersion(version);
int dimension = version.getDimensionForVersion();
ByteMatrix matrix = new ByteMatrix(dimension, dimension);
int maskPattern = chooseMaskPattern(finalBits, ecLevel, version, matrix);
qrCode.setMaskPattern(maskPattern);
MatrixUtil.buildMatrix(finalBits, ecLevel, version, maskPattern, matrix);
qrCode.setMatrix(matrix);
return qrCode;
}