57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
|
/*
|
||
|
|
* Copyright 2016 Huy Cuong Nguyen
|
||
|
|
* Copyright 2016 ZXing authors
|
||
|
|
*/
|
||
|
|
// SPDX-License-Identifier: Apache-2.0
|
||
|
|
|
||
|
|
#include "ODUPCEWriter.h"
|
||
|
|
|
||
|
|
#include "ODUPCEANCommon.h"
|
||
|
|
#include "ODWriterHelper.h"
|
||
|
|
#include "Utf.h"
|
||
|
|
|
||
|
|
#include <stdexcept>
|
||
|
|
#include <vector>
|
||
|
|
|
||
|
|
namespace ZXing::OneD {
|
||
|
|
|
||
|
|
static const int CODE_WIDTH = 3 + // start guard
|
||
|
|
(7 * 6) + // bars
|
||
|
|
6; // end guard
|
||
|
|
|
||
|
|
BitMatrix
|
||
|
|
UPCEWriter::encode(const std::wstring& contents, int width, int height) const
|
||
|
|
{
|
||
|
|
auto digits = UPCEANCommon::DigitString2IntArray<8>(
|
||
|
|
contents, GTIN::ComputeCheckDigit(UPCEANCommon::ConvertUPCEtoUPCA(contents), contents.size() == 8));
|
||
|
|
|
||
|
|
int firstDigit = digits[0];
|
||
|
|
if (firstDigit != 0 && firstDigit != 1) {
|
||
|
|
throw std::invalid_argument("Number system must be 0 or 1");
|
||
|
|
}
|
||
|
|
|
||
|
|
int parities = UPCEANCommon::NUMSYS_AND_CHECK_DIGIT_PATTERNS[firstDigit * 10 + digits[7]];
|
||
|
|
std::vector<bool> result(CODE_WIDTH, false);
|
||
|
|
int pos = 0;
|
||
|
|
|
||
|
|
pos += WriterHelper::AppendPattern(result, pos, UPCEANCommon::START_END_PATTERN, true);
|
||
|
|
|
||
|
|
for (int i = 1; i <= 6; i++) {
|
||
|
|
int digit = digits[i];
|
||
|
|
if ((parities >> (6 - i) & 1) == 1) {
|
||
|
|
digit += 10;
|
||
|
|
}
|
||
|
|
pos += WriterHelper::AppendPattern(result, pos, UPCEANCommon::L_AND_G_PATTERNS[digit], false);
|
||
|
|
}
|
||
|
|
|
||
|
|
WriterHelper::AppendPattern(result, pos, UPCEANCommon::UPCE_END_PATTERN, false);
|
||
|
|
return WriterHelper::RenderResult(result, width, height, _sidesMargin >= 0 ? _sidesMargin : 9);
|
||
|
|
}
|
||
|
|
|
||
|
|
BitMatrix UPCEWriter::encode(const std::string& contents, int width, int height) const
|
||
|
|
{
|
||
|
|
return encode(FromUtf8(contents), width, height);
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace ZXing::OneD
|