Organize barcode codes into modules.

xfa/src/fxbarcode/src/include/BC_WhiteRectangleDetector.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 _BC_WHITERECTANLEDETECTOR_H_
-#define _BC_WHITERECTANLEDETECTOR_H_
-class CBC_CommonBitMatrix;
-class CBC_ResultPoint;
-class CBC_WhiteRectangleDetector;
-class CBC_WhiteRectangleDetector : public CFX_Object
-{
-public:
-    CBC_WhiteRectangleDetector(CBC_CommonBitMatrix *image);
-    CBC_WhiteRectangleDetector(CBC_CommonBitMatrix *image, FX_INT32 initSize, FX_INT32 x, FX_INT32 y);
-    virtual ~CBC_WhiteRectangleDetector();
-    CFX_PtrArray *Detect(FX_INT32 &e);
-    virtual void Init(FX_INT32 &e);
-private:
-    FX_INT32 Round(float d);
-    CBC_ResultPoint *GetBlackPointOnSegment(FX_FLOAT aX, FX_FLOAT aY, FX_FLOAT bX, FX_FLOAT bY);
-    FX_INT32 DistanceL2(FX_FLOAT aX, FX_FLOAT aY, FX_FLOAT bX, FX_FLOAT bY);
-    CFX_PtrArray *CenterEdges(CBC_ResultPoint *y, CBC_ResultPoint *z,
-                              CBC_ResultPoint *x, CBC_ResultPoint *t);
-    FX_BOOL ContainsBlackPoint(FX_INT32 a, FX_INT32 b, FX_INT32 fixed, FX_BOOL horizontal);
-    const static FX_INT32 INIT_SIZE;
-    const static FX_INT32 CORR;
-
-    CBC_CommonBitMatrix *m_image;
-    FX_INT32 m_height;
-    FX_INT32 m_width;
-    FX_INT32 m_leftInit;
-    FX_INT32 m_rightInit;
-    FX_INT32 m_downInit;
-    FX_INT32 m_upInit;
-};
-#endif