import com.google.zxing.common.ByteMatrix;
import com.google.zxing.WriterException;
+import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
/**
* @author satorux@google.com (Satoru Takabayashi) - creator
};
private int mode;
- private int ecLevel;
+ private ErrorCorrectionLevel ecLevel;
private int version;
private int matrixWidth;
private int maskPattern;
// MODE_FNC1,
public static final int NUM_MODES = 4;
- // The error correction levels are defined in the table 22 of JISX0510:2004 (p.45). It's very
- // unlikely (we've already covered all of them!) but if you add an item to this, please also add
- // it to ecLevelToString() and getECLevelCode().
- //
- // Formerly enum ECLevel
- public static final int EC_LEVEL_UNDEFINED = -1;
- // They don't have names in the standard!
- public static final int EC_LEVEL_L = 0; // 7% of corruption can be recovered.
- public static final int EC_LEVEL_M = 1; // 15%
- public static final int EC_LEVEL_Q = 2; // 25%
- public static final int EC_LEVEL_H = 3; // 30%
- public static final int NUM_EC_LEVELS = 4;
-
public QRCode() {
mode = MODE_UNDEFINED;
- ecLevel = EC_LEVEL_UNDEFINED;
+ ecLevel = null;
version = -1;
matrixWidth = -1;
maskPattern = -1;
}
// Mode of the QR Code.
- public int getMode() { return mode; }
+ public int getMode() {
+ return mode;
+ }
+
// Error correction level of the QR Code.
- public int getECLevel() { return ecLevel; }
+ public ErrorCorrectionLevel getECLevel() {
+ return ecLevel;
+ }
+
// Version of the QR Code. The bigger size, the bigger version.
- public int getVersion() { return version; }
+ public int getVersion() {
+ return version;
+ }
+
// ByteMatrix width of the QR Code.
- public int getMatrixWidth() { return matrixWidth; }
+ public int getMatrixWidth() {
+ return matrixWidth;
+ }
+
// Mask pattern of the QR Code.
- public int getMaskPattern() { return maskPattern; }
+ public int getMaskPattern() {
+ return maskPattern;
+ }
+
// Number of total bytes in the QR Code.
- public int getNumTotalBytes() { return numTotalBytes; }
+ public int getNumTotalBytes() {
+ return numTotalBytes;
+ }
+
// Number of data bytes in the QR Code.
- public int getNumDataBytes() { return numDataBytes; }
+ public int getNumDataBytes() {
+ return numDataBytes;
+ }
+
// Number of error correction bytes in the QR Code.
- public int getNumECBytes() { return numECBytes; }
+ public int getNumECBytes() {
+ return numECBytes;
+ }
+
// Number of Reedsolomon blocks in the QR Code.
- public int getNumRSBlocks() { return numRSBlocks; }
+ public int getNumRSBlocks() {
+ return numRSBlocks;
+ }
+
// ByteMatrix data of the QR Code.
- public final ByteMatrix getMatrix() { return matrix; }
+ public final ByteMatrix getMatrix() {
+ return matrix;
+ }
+
// Return the value of the module (cell) pointed by "x" and "y" in the matrix of the QR Code. They
// call cells in the matrix "modules". 1 represents a black cell, and 0 represents a white cell.
return (
// First check if all version are not uninitialized.
mode != MODE_UNDEFINED &&
- ecLevel != EC_LEVEL_UNDEFINED &&
+ ecLevel != null &&
version != -1 &&
matrixWidth != -1 &&
maskPattern != -1 &&
// Then check them in other ways..
isValidVersion(version) &&
isValidMode(mode) &&
- isValidECLevel(ecLevel) &&
isValidMatrixWidth(matrixWidth) &&
isValidMaskPattern(maskPattern) &&
numTotalBytes == numDataBytes + numECBytes &&
result.append(" mode: ");
result.append(modeToString(mode));
result.append("\n ecLevel: ");
- result.append(ecLevelToString(ecLevel));
+ result.append(ecLevel);
result.append("\n version: ");
result.append(version);
result.append("\n matrixWidth: ");
mode = value;
}
- public void setECLevel(int value) {
+ public void setECLevel(ErrorCorrectionLevel value) {
ecLevel = value;
}
return version >= MIN_VERSION && version <= MAX_VERSION;
}
- // Check if "ecLevel" is valid.
- public static boolean isValidECLevel(int ecLevel) {
- return ecLevel >= 0 && ecLevel < NUM_EC_LEVELS;
- }
-
// Check if "mode" is valid.
public static boolean isValidMode(final int mode) {
return mode >= 0 && mode < NUM_MODES;
return maskPattern >= 0 && maskPattern < NUM_MASK_PATTERNS;
}
- // Convert "getECLevel" to String for debugging.
- public static String ecLevelToString(int ecLevel) {
- switch (ecLevel) {
- case QRCode.EC_LEVEL_UNDEFINED:
- return "UNDEFINED";
- case QRCode.EC_LEVEL_L:
- return "L";
- case QRCode.EC_LEVEL_M:
- return "M";
- case QRCode.EC_LEVEL_Q:
- return "Q";
- case QRCode.EC_LEVEL_H:
- return "H";
- default:
- break;
- }
- return "UNKNOWN";
- }
-
// Convert "mode" to String for debugging.
public static String modeToString(int mode) {
switch (mode) {
return "UNKNOWN";
}
- // Return the code of error correction level. On error, return -1. The codes of error correction
- // levels are defined in the table 22 of JISX0510:2004 (p.45).
- public static int getECLevelCode(final int ecLevel) throws WriterException {
- switch (ecLevel) {
- case QRCode.EC_LEVEL_L:
- return 1;
- case QRCode.EC_LEVEL_M:
- return 0;
- case QRCode.EC_LEVEL_Q:
- return 3;
- case QRCode.EC_LEVEL_H:
- return 2;
- default:
- throw new WriterException("Unknown EC level");
- }
- }
-
// Return the code of mode. On error, return -1. The codes of modes are defined in the table 2 of
// JISX0510:2004 (p.16).
public static int getModeCode(final int mode) throws WriterException {
throw new IllegalArgumentException("Bad version: " + version);
}
- // Return true if the all values in the matrix are binary numbers. Otherwise, return false.
+ // Return true if the all values in the matrix are binary numbers.
//
// JAVAPORT: This is going to be super expensive and unnecessary, we should not call this in
// production. I'm leaving it because it may be useful for testing. It should be removed entirely
projects / zxing.git / blobdiff