xfa/fwl/cfwl_barcode.h

// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com

#ifndef XFA_FWL_CFWL_BARCODE_H_
#define XFA_FWL_CFWL_BARCODE_H_

#include <memory>

#include "fxbarcode/BC_Library.h"
#include "xfa/fwl/cfwl_edit.h"

class CFX_Barcode;

enum FWL_BCDAttribute {
  FWL_BCDATTRIBUTE_NONE = 0,
  FWL_BCDATTRIBUTE_CHARENCODING = 1 << 0,
  FWL_BCDATTRIBUTE_MODULEHEIGHT = 1 << 1,
  FWL_BCDATTRIBUTE_MODULEWIDTH = 1 << 2,
  FWL_BCDATTRIBUTE_DATALENGTH = 1 << 3,
  FWL_BCDATTRIBUTE_CALCHECKSUM = 1 << 4,
  FWL_BCDATTRIBUTE_PRINTCHECKSUM = 1 << 5,
  FWL_BCDATTRIBUTE_TEXTLOCATION = 1 << 6,
  FWL_BCDATTRIBUTE_WIDENARROWRATIO = 1 << 7,
  FWL_BCDATTRIBUTE_STARTCHAR = 1 << 8,
  FWL_BCDATTRIBUTE_ENDCHAR = 1 << 9,
  FWL_BCDATTRIBUTE_ECLEVEL = 1 << 10,
};

class CFWL_Barcode final : public CFWL_Edit {
 public:
  CONSTRUCT_VIA_MAKE_GARBAGE_COLLECTED;
  ~CFWL_Barcode() override;

  // CFWL_Widget
  FWL_Type GetClassID() const override;
  void Update() override;
  void DrawWidget(CFGAS_GEGraphics* pGraphics,
                  const CFX_Matrix& matrix) override;
  void OnProcessEvent(CFWL_Event* pEvent) override;

  // CFWL_Edit
  void SetText(const WideString& wsText) override;
  void SetTextSkipNotify(const WideString& wsText) override;

  void SetType(BC_TYPE type);
  bool IsProtectedType() const;

  void SetCharEncoding(BC_CHAR_ENCODING encoding);
  void SetModuleHeight(int32_t height);
  void SetModuleWidth(int32_t width);
  void SetDataLength(int32_t dataLength);
  void SetCalChecksum(bool calChecksum);
  void SetPrintChecksum(bool printChecksum);
  void SetTextLocation(BC_TEXT_LOC location);
  void SetWideNarrowRatio(int8_t ratio);
  void SetStartChar(char startChar);
  void SetEndChar(char endChar);
  void SetErrorCorrectionLevel(int32_t ecLevel);

 private:
  enum class Status : uint8_t {
    kNormal,
    kNeedUpdate,
    kEncodeSuccess,
  };

  explicit CFWL_Barcode(CFWL_App* pApp);

  void GenerateBarcodeImageCache();
  void CreateBarcodeEngine();

  BC_TYPE m_type = BC_UNKNOWN;
  BC_CHAR_ENCODING m_eCharEncoding = CHAR_ENCODING_UTF8;
  BC_TEXT_LOC m_eTextLocation = BC_TEXT_LOC_NONE;
  Status m_eStatus = Status::kNormal;
  bool m_bCalChecksum = false;
  bool m_bPrintChecksum = false;
  char m_cStartChar = 0;
  char m_cEndChar = 0;
  int8_t m_nWideNarrowRatio = 1;
  int32_t m_nModuleHeight = -1;
  int32_t m_nModuleWidth = -1;
  int32_t m_nDataLength = 0;
  int32_t m_nECLevel = 0;
  uint32_t m_dwAttributeMask = 0;
  std::unique_ptr<CFX_Barcode> m_pBarcodeEngine;
};

#endif  // XFA_FWL_CFWL_BARCODE_H_