1 // Copyright 2014 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6 
7 #ifndef FXBARCODE_ONED_BC_ONEDEAN8WRITER_H_
8 #define FXBARCODE_ONED_BC_ONEDEAN8WRITER_H_
9 
10 #include "core/fxcrt/fx_string.h"
11 #include "core/fxcrt/fx_system.h"
12 #include "fxbarcode/BC_Library.h"
13 #include "fxbarcode/oned/BC_OnedEANWriter.h"
14 
15 class CFX_DIBitmap;
16 class CFX_RenderDevice;
17 
18 class CBC_OnedEAN8Writer final : public CBC_OneDimEANWriter {
19  public:
20   CBC_OnedEAN8Writer();
21   ~CBC_OnedEAN8Writer() override;
22 
23   // CBC_OneDimEANWriter:
24   uint8_t* EncodeWithHint(const ByteString& contents,
25                           BCFORMAT format,
26                           int32_t& outWidth,
27                           int32_t& outHeight,
28                           int32_t hints) override;
29   uint8_t* EncodeImpl(const ByteString& contents, int32_t& outLength) override;
30   bool CheckContentValidity(WideStringView contents) override;
31   WideString FilterContents(WideStringView contents) override;
32   void SetDataLength(int32_t length) override;
33   bool SetTextLocation(BC_TEXT_LOC location) override;
34   int32_t CalcChecksum(const ByteString& contents) override;
35 
36  private:
37   bool ShowChars(WideStringView contents,
38                  CFX_RenderDevice* device,
39                  const CFX_Matrix* matrix,
40                  int32_t barWidth,
41                  int32_t multiple) override;
42 
43   static constexpr int32_t kDefaultCodeWidth = 3 + (7 * 4) + 5 + (7 * 4) + 3;
44   int32_t m_codeWidth = kDefaultCodeWidth;
45 };
46 
47 #endif  // FXBARCODE_ONED_BC_ONEDEAN8WRITER_H_
48