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60 lines
1.9 KiB
60 lines
1.9 KiB
// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef FXBARCODE_PDF417_BC_PDF417_H_
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#define FXBARCODE_PDF417_BC_PDF417_H_
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#include <memory>
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#include <vector>
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#include "core/fxcrt/fx_string.h"
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class CBC_BarcodeRow;
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class CBC_BarcodeMatrix;
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class CBC_PDF417 {
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public:
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CBC_PDF417();
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~CBC_PDF417();
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CBC_BarcodeMatrix* getBarcodeMatrix();
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bool GenerateBarcodeLogic(WideStringView msg, int32_t errorCorrectionLevel);
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void setDimensions(int32_t maxCols,
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int32_t minCols,
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int32_t maxRows,
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int32_t minRows);
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private:
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static const int32_t START_PATTERN = 0x1fea8;
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static const int32_t STOP_PATTERN = 0x3fa29;
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static constexpr float PREFERRED_RATIO = 3.0f;
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static constexpr float DEFAULT_MODULE_WIDTH = 0.357f;
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static constexpr float HEIGHT = 2.0f;
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static int32_t calculateNumberOfRows(int32_t m, int32_t k, int32_t c);
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static int32_t getNumberOfPadCodewords(int32_t m,
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int32_t k,
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int32_t c,
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int32_t r);
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static void encodeChar(int32_t pattern, int32_t len, CBC_BarcodeRow* logic);
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void encodeLowLevel(WideString fullCodewords,
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int32_t c,
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int32_t r,
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int32_t errorCorrectionLevel,
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CBC_BarcodeMatrix* logic);
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std::vector<int32_t> determineDimensions(
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size_t sourceCodeWords,
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int32_t errorCorrectionCodeWords) const;
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std::unique_ptr<CBC_BarcodeMatrix> m_barcodeMatrix;
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int32_t m_minCols = 1;
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int32_t m_maxCols = 30;
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int32_t m_minRows = 3;
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int32_t m_maxRows = 90;
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};
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#endif // FXBARCODE_PDF417_BC_PDF417_H_
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