text: // 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"
  #include "xfa/fwl/cfwl_scrollbar.h"
  #include "xfa/fwl/cfwl_widget.h"
  
  class CFWL_WidgetProperties;
  class CFX_Barcode;
  class CFWL_Widget;
  
  #define XFA_BCS_NeedUpdate 0x0001
  #define XFA_BCS_EncodeSuccess 0x0002
  
  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,
    FWL_BCDATTRIBUTE_TRUNCATED = 1 << 11,
  };
  
  class CFWL_Barcode : public CFWL_Edit {
   public:
    explicit CFWL_Barcode(const CFWL_App* pApp);
    ~CFWL_Barcode() override;
  
    // CFWL_Widget
    FWL_Type GetClassID() const override;
    void Update() override;
    void DrawWidget(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix) override;
    void OnProcessEvent(CFWL_Event* pEvent) override;
  
    // CFWL_Edit
    void SetText(const CFX_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);
    void SetTruncated(bool truncated);
  
   private:
    void GenerateBarcodeImageCache();
    void CreateBarcodeEngine();
  
    std::unique_ptr<CFX_Barcode> m_pBarcodeEngine;
    uint32_t m_dwStatus;
    BC_TYPE m_type;
    BC_CHAR_ENCODING m_eCharEncoding;
    int32_t m_nModuleHeight;
    int32_t m_nModuleWidth;
    int32_t m_nDataLength;
    bool m_bCalChecksum;
    bool m_bPrintChecksum;
    BC_TEXT_LOC m_eTextLocation;
    int8_t m_nWideNarrowRatio;
    char m_cStartChar;
    char m_cEndChar;
    int32_t m_nECLevel;
    bool m_bTruncated;
    uint32_t m_dwAttributeMask;
  };
  
  #endif  // XFA_FWL_CFWL_BARCODE_H_
  