status-im/QR-Code-generator
1
0
Fork 0
mirror of https://github.com/status-im/QR-Code-generator.git synced 2026-08-31 01:31:10 +00:00
Code Issues Packages Projects Releases Wiki Activity

Added and updated 4 comments in all language versions.

Browse Source
This commit is contained in:
Project Nayuki
2018-08-22 19:22:00 +00:00
parent a2977e6351
commit d1f53e6e7d
8 changed files with 56 additions and 49 deletions
Download Patch File Download Diff File Expand all files Collapse all files
java/io/nayuki/qrcodegen/QrCode.java
+8 -7
View File
@@ -131,12 +131,12 @@ public final class QrCode {
assert dataUsedBits != -1;
// Increase the error correction level while the data still fits in the current version number
for (Ecc newEcl : Ecc.values()) {
for (Ecc newEcl : Ecc.values()) { // From low to high
if (boostEcl && dataUsedBits <= getNumDataCodewords(version, newEcl) * 8)
ecl = newEcl;
}
// Create the data bit string by concatenating all segments
// Concatenate all segments to create the data bit string
int dataCapacityBits = getNumDataCodewords(version, ecl) * 8;
BitBuffer bb = new BitBuffer();
for (QrSegment seg : segs) {
@@ -368,7 +368,7 @@ public final class QrCode {
setFunctionModule(size - 1 - i, 8, getBit(data, i));
for (int i = 8; i < 15; i++)
setFunctionModule(8, size - 15 + i, getBit(data, i));
setFunctionModule(8, size - 8, true);
setFunctionModule(8, size - 8, true); // Always black
}
@@ -497,10 +497,11 @@ public final class QrCode {
}
// XORs the data modules in this QR Code with the given mask pattern. Due to XOR's mathematical
// properties, calling applyMask(m) twice with the same value is equivalent to no change at all.
// This means it is possible to apply a mask, undo it, and try another mask. Note that a final
// well-formed QR Code symbol needs exactly one mask applied (not zero, not two, etc.).
// XORs the codeword modules in this QR Code with the given mask pattern.
// The function modules must be marked and the codeword bits must be drawn
// before masking. Due to the arithmetic of XOR, calling applyMask() with
// the same mask value a second time will undo the mask. A final well-formed
// QR Code symbol needs exactly one (not zero, two, etc.) mask applied.
private void applyMask(int mask) {
if (mask < 0 || mask > 7)
throw new IllegalArgumentException("Mask value out of range");