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 variable for clarity to QrCode.drawFormatBits() in all language versions.

Browse Source
This commit is contained in:
Project Nayuki
2018-08-22 19:48:29 +00:00
parent ea29e58e9c
commit 23ae555dde
7 changed files with 63 additions and 70 deletions
Download Patch File Download Diff File Expand all files Collapse all files
cpp/QrCode.cpp
+9 -10
View File
@@ -222,25 +222,24 @@ void QrCode::drawFormatBits(int mask) {
int rem = data;
for (int i = 0; i < 10; i++)
rem = (rem << 1) ^ ((rem >> 9) * 0x537);
data = data << 10 | rem;
data ^= 0x5412; // uint15
if (data >> 15 != 0)
int bits = (data << 10 | rem) ^ 0x5412; // uint15
if (bits >> 15 != 0)
throw std::logic_error("Assertion error");
// Draw first copy
for (int i = 0; i <= 5; i++)
setFunctionModule(8, i, getBit(data, i));
setFunctionModule(8, 7, getBit(data, 6));
setFunctionModule(8, 8, getBit(data, 7));
setFunctionModule(7, 8, getBit(data, 8));
setFunctionModule(8, i, getBit(bits, i));
setFunctionModule(8, 7, getBit(bits, 6));
setFunctionModule(8, 8, getBit(bits, 7));
setFunctionModule(7, 8, getBit(bits, 8));
for (int i = 9; i < 15; i++)
setFunctionModule(14 - i, 8, getBit(data, i));
setFunctionModule(14 - i, 8, getBit(bits, i));
// Draw second copy
for (int i = 0; i <= 7; i++)
setFunctionModule(size - 1 - i, 8, getBit(data, i));
setFunctionModule(size - 1 - i, 8, getBit(bits, i));
for (int i = 8; i < 15; i++)
setFunctionModule(8, size - 15 + i, getBit(data, i));
setFunctionModule(8, size - 15 + i, getBit(bits, i));
setFunctionModule(8, size - 8, true); // Always black
}