1 files changed, 38 insertions, 0 deletions
diff --git a/xfa/src/fxbarcode/common/BC_WhiteRectangleDetector.h b/xfa/src/fxbarcode/common/BC_WhiteRectangleDetector.h
new file mode 100644
index 0000000000..83d91ced92
--- /dev/null
+++ b/xfa/src/fxbarcode/common/BC_WhiteRectangleDetector.h
@@ -0,0 +1,38 @@
+// 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