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diff --git a/fxbarcode/oned/BC_OnedEAN13Writer.h b/fxbarcode/oned/BC_OnedEAN13Writer.h
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+// 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 FXBARCODE_ONED_BC_ONEDEAN13WRITER_H_
+#define FXBARCODE_ONED_BC_ONEDEAN13WRITER_H_
+
+#include "core/fxcrt/fx_string.h"
+#include "core/fxcrt/fx_system.h"
+#include "fxbarcode/oned/BC_OneDimWriter.h"
+
+class CFX_DIBitmap;
+class CFX_RenderDevice;
+
+class CBC_OnedEAN13Writer : public CBC_OneDimWriter {
+ public:
+ CBC_OnedEAN13Writer();
+ ~CBC_OnedEAN13Writer() override;
+
+ // CBC_OneDimWriter
+ uint8_t* Encode(const CFX_ByteString& contents,
+ BCFORMAT format,
+ int32_t& outWidth,
+ int32_t& outHeight,
+ int32_t& e) override;
+ uint8_t* Encode(const CFX_ByteString& contents,
+ BCFORMAT format,
+ int32_t& outWidth,
+ int32_t& outHeight,
+ int32_t hints,
+ int32_t& e) override;
+ uint8_t* Encode(const CFX_ByteString& contents,
+ int32_t& outLength,
+ int32_t& e) override;
+ void RenderResult(const CFX_WideStringC& contents,
+ uint8_t* code,
+ int32_t codeLength,
+ bool isDevice,
+ int32_t& e) override;
+ bool CheckContentValidity(const CFX_WideStringC& contents) override;
+ CFX_WideString FilterContents(const CFX_WideStringC& contents) override;
+
+ int32_t CalcChecksum(const CFX_ByteString& contents);
+
+ protected:
+ void ShowChars(const CFX_WideStringC& contents,
+ const CFX_RetainPtr<CFX_DIBitmap>& pOutBitmap,
+ CFX_RenderDevice* device,
+ const CFX_Matrix* matrix,
+ int32_t barWidth,
+ int32_t multiple,
+ int32_t& e) override;
+
+ private:
+ int32_t m_codeWidth;
+};
+
+#endif // FXBARCODE_ONED_BC_ONEDEAN13WRITER_H_