Organize barcode codes into modules.

xfa/src/fxbarcode/src/BC_WhiteRectangleDetector.cpp

Index: xfa/src/fxbarcode/src/BC_WhiteRectangleDetector.cpp
diff --git a/xfa/src/fxbarcode/src/BC_WhiteRectangleDetector.cpp b/xfa/src/fxbarcode/src/BC_WhiteRectangleDetector.cpp
deleted file mode 100644
index 38fa5e94774157f69a5fe4859c60a6d6f0e45b47..0000000000000000000000000000000000000000
--- a/xfa/src/fxbarcode/src/BC_WhiteRectangleDetector.cpp
+++ /dev/null
@@ -1,244 +0,0 @@
-// 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
-// Original code is licensed as follows:
-/*
- * Copyright 2010 ZXing authors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "barcode.h"
-#include "include/BC_WhiteRectangleDetector.h"
-#include "include/BC_CommonBitMatrix.h"
-#include "include/BC_ResultPoint.h"
-const FX_INT32 CBC_WhiteRectangleDetector::INIT_SIZE = 30;
-const FX_INT32 CBC_WhiteRectangleDetector::CORR = 1;
-CBC_WhiteRectangleDetector::CBC_WhiteRectangleDetector(CBC_CommonBitMatrix *image)
-{
-    m_image = image;
-    m_height = image->GetHeight();
-    m_width = image->GetWidth();
-    m_leftInit = (m_width - INIT_SIZE) >> 1;
-    m_rightInit = (m_width + INIT_SIZE) >> 1;
-    m_upInit = (m_height - INIT_SIZE) >> 1;
-    m_downInit = (m_height + INIT_SIZE) >> 1;
-}
-void CBC_WhiteRectangleDetector::Init(FX_INT32 &e)
-{
-    if (m_upInit < 0 || m_leftInit < 0 || m_downInit >= m_height || m_rightInit >= m_width) {
-        e = BCExceptionNotFound;
-        BC_EXCEPTION_CHECK_ReturnVoid(e);
-    }
-}
-CBC_WhiteRectangleDetector::CBC_WhiteRectangleDetector(CBC_CommonBitMatrix *image, FX_INT32 initSize, FX_INT32 x, FX_INT32 y)
-{
-    m_image = image;
-    m_height = image->GetHeight();
-    m_width = image->GetWidth();
-    FX_INT32 halfsize = initSize >> 1;
-    m_leftInit = x - halfsize;
-    m_rightInit = x + halfsize;
-    m_upInit = y - halfsize;
-    m_downInit = y + halfsize;
-}
-CBC_WhiteRectangleDetector::~CBC_WhiteRectangleDetector()
-{
-}
-CFX_PtrArray *CBC_WhiteRectangleDetector::Detect(FX_INT32 &e)
-{
-    FX_INT32 left = m_leftInit;
-    FX_INT32 right = m_rightInit;
-    FX_INT32 up = m_upInit;
-    FX_INT32 down = m_downInit;
-    FX_BOOL sizeExceeded = FALSE;
-    FX_BOOL aBlackPointFoundOnBorder = TRUE;
-    FX_BOOL atLeastOneBlackPointFoundOnBorder = FALSE;
-    while (aBlackPointFoundOnBorder) {
-        aBlackPointFoundOnBorder = FALSE;
-        FX_BOOL rightBorderNotWhite = TRUE;
-        while (rightBorderNotWhite && right < m_width) {
-            rightBorderNotWhite = ContainsBlackPoint(up, down, right, FALSE);
-            if (rightBorderNotWhite) {
-                right++;
-                aBlackPointFoundOnBorder = TRUE;
-            }
-        }
-        if (right >= m_width) {
-            sizeExceeded = TRUE;
-            break;
-        }
-        FX_BOOL bottomBorderNotWhite = TRUE;
-        while (bottomBorderNotWhite && down < m_height) {
-            bottomBorderNotWhite = ContainsBlackPoint(left, right, down, TRUE);
-            if (bottomBorderNotWhite) {
-                down++;
-                aBlackPointFoundOnBorder = TRUE;
-            }
-        }
-        if (down >= m_height) {
-            sizeExceeded = TRUE;
-            break;
-        }
-        FX_BOOL leftBorderNotWhite = TRUE;
-        while (leftBorderNotWhite && left >= 0) {
-            leftBorderNotWhite = ContainsBlackPoint(up, down, left, FALSE);
-            if (leftBorderNotWhite) {
-                left--;
-                aBlackPointFoundOnBorder = TRUE;
-            }
-        }
-        if (left < 0) {
-            sizeExceeded = TRUE;
-            break;
-        }
-        FX_BOOL topBorderNotWhite = TRUE;
-        while (topBorderNotWhite && up >= 0) {
-            topBorderNotWhite = ContainsBlackPoint(left, right, up, TRUE);
-            if (topBorderNotWhite) {
-                up--;
-                aBlackPointFoundOnBorder = TRUE;
-            }
-        }
-        if (up < 0) {
-            sizeExceeded = TRUE;
-            break;
-        }
-        if (aBlackPointFoundOnBorder) {
-            atLeastOneBlackPointFoundOnBorder = TRUE;
-        }
-    }
-    if (!sizeExceeded && atLeastOneBlackPointFoundOnBorder) {
-        FX_INT32 maxSize = right - left;
-        CBC_AutoPtr<CBC_ResultPoint> z(NULL);
-        for (FX_INT32 i = 1; i < maxSize; i++) {
-            z = CBC_AutoPtr<CBC_ResultPoint>(GetBlackPointOnSegment((FX_FLOAT)left, (FX_FLOAT)(down - i), (FX_FLOAT)(left + i), (FX_FLOAT)(down)) );
-            if (z.get() != NULL) {
-                break;
-            }
-        }
-        if (z.get() == NULL) {
-            e = BCExceptionNotFound;
-            BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-        }
-        CBC_AutoPtr<CBC_ResultPoint> t(NULL);
-        for (FX_INT32 j = 1; j < maxSize; j++) {
-            t = CBC_AutoPtr<CBC_ResultPoint>(GetBlackPointOnSegment((FX_FLOAT)left, (FX_FLOAT)(up + j), (FX_FLOAT)(left + j), (FX_FLOAT)up));
-            if (t.get() != NULL) {
-                break;
-            }
-        }
-        if (t.get() == NULL) {
-            e = BCExceptionNotFound;
-            BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-        }
-        CBC_AutoPtr<CBC_ResultPoint> x(NULL);
-        for (FX_INT32 k = 1; k < maxSize; k++) {
-            x = CBC_AutoPtr<CBC_ResultPoint>(GetBlackPointOnSegment((FX_FLOAT)right, (FX_FLOAT)(up + k), (FX_FLOAT)(right - k), (FX_FLOAT)up));
-            if (x.get() != NULL) {
-                break;
-            }
-        }
-        if (x.get() == NULL) {
-            e = BCExceptionNotFound;
-            BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-        }
-        CBC_AutoPtr<CBC_ResultPoint> y(NULL);
-        for (FX_INT32 m = 1;	m < maxSize; m++) {
-            y = CBC_AutoPtr<CBC_ResultPoint>(GetBlackPointOnSegment((FX_FLOAT)right, (FX_FLOAT)(down - m), (FX_FLOAT)(right - m), (FX_FLOAT) down));
-            if (y.get() != NULL) {
-                break;
-            }
-        }
-        if (y.get() == NULL) {
-            e = BCExceptionNotFound;
-            BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-        }
-        return CenterEdges(y.get(), z.get(), x.get(), t.get());
-    } else {
-        e = BCExceptionNotFound;
-        BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    }
-    return NULL;
-}
-FX_INT32 CBC_WhiteRectangleDetector::Round(FX_FLOAT d)
-{
-    return (FX_INT32) (d + 0.5f);
-}
-CBC_ResultPoint *CBC_WhiteRectangleDetector::GetBlackPointOnSegment(FX_FLOAT aX, FX_FLOAT aY, FX_FLOAT bX, FX_FLOAT bY)
-{
-    FX_INT32 dist = DistanceL2(aX, aY, bX, bY);
-    float xStep = (bX - aX) / dist;
-    float yStep = (bY - aY) / dist;
-    for (FX_INT32 i = 0; i < dist; i++) {
-        FX_INT32 x = Round(aX + i * xStep);
-        FX_INT32 y = Round(aY + i * yStep);
-        if (m_image->Get(x, y)) {
-            return FX_NEW CBC_ResultPoint((FX_FLOAT)x, (FX_FLOAT) y);
-        }
-    }
-    return NULL;
-}
-FX_INT32 CBC_WhiteRectangleDetector::DistanceL2(FX_FLOAT aX, FX_FLOAT aY, FX_FLOAT bX, FX_FLOAT bY)
-{
-    float xDiff = aX - bX;
-    float yDiff = aY - bY;
-    return Round((float)sqrt(xDiff * xDiff + yDiff * yDiff));
-}
-CFX_PtrArray *CBC_WhiteRectangleDetector::CenterEdges(CBC_ResultPoint *y, CBC_ResultPoint *z, CBC_ResultPoint *x, CBC_ResultPoint *t)
-{
-    float yi = y->GetX();
-    float yj = y->GetY();
-    float zi = z->GetX();
-    float zj = z->GetY();
-    float xi = x->GetX();
-    float xj = x->GetY();
-    float ti = t->GetX();
-    float tj = t->GetY();
-    if (yi < m_width / 2) {
-        CFX_PtrArray *result = FX_NEW CFX_PtrArray;
-        result->SetSize(4);
-        (*result)[0] = FX_NEW CBC_ResultPoint(ti - CORR, tj + CORR);
-        (*result)[1] = FX_NEW CBC_ResultPoint(zi + CORR, zj + CORR);
-        (*result)[2] = FX_NEW CBC_ResultPoint(xi - CORR, xj - CORR);
-        (*result)[3] = FX_NEW CBC_ResultPoint(yi + CORR, yj - CORR);
-        return result;
-    } else {
-        CFX_PtrArray *result = FX_NEW CFX_PtrArray;
-        result->SetSize(4);
-        (*result)[0] = FX_NEW CBC_ResultPoint(ti + CORR, tj + CORR);
-        (*result)[1] = FX_NEW CBC_ResultPoint(zi + CORR, zj - CORR);
-        (*result)[2] = FX_NEW CBC_ResultPoint(xi - CORR, xj + CORR);
-        (*result)[3] = FX_NEW CBC_ResultPoint(yi - CORR, yj - CORR);
-        return result;
-    }
-}
-FX_BOOL CBC_WhiteRectangleDetector::ContainsBlackPoint(FX_INT32 a, FX_INT32 b, FX_INT32 fixed, FX_BOOL horizontal)
-{
-    if (horizontal) {
-        for (FX_INT32 x = a; x <= b; x++) {
-            if (m_image->Get(x, fixed)) {
-                return TRUE;
-            }
-        }
-    } else {
-        for (FX_INT32 y = a; y <= b; y++) {
-            if (m_image->Get(fixed, y)) {
-                return TRUE;
-            }
-        }
-    }
-    return FALSE;
-}