Move xfa/src up to xfa/.

xfa/src/fxbarcode/BC_UtilRSS.cpp

-// 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 2009 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 "xfa/src/fxbarcode/BC_UtilRSS.h"
-
-#include <memory>
-
-#include "core/include/fxcrt/fx_basic.h"
-#include "xfa/src/fxbarcode/utils.h"
-
-CBC_UtilRSS::CBC_UtilRSS() {}
-CBC_UtilRSS::~CBC_UtilRSS() {}
-CFX_Int32Array* CBC_UtilRSS::GetRssWidths(int32_t val,
-                                          int32_t n,
-                                          int32_t elements,
-                                          int32_t maxWidth,
-                                          FX_BOOL noNarrow) {
-  std::unique_ptr<CFX_Int32Array> widths(new CFX_Int32Array);
-  widths->SetSize(elements);
-  int32_t bar;
-  int32_t narrowMask = 0;
-  for (bar = 0; bar < elements - 1; bar++) {
-    narrowMask |= (1 << bar);
-    int32_t elmWidth = 1;
-    int32_t subVal;
-    while (TRUE) {
-      subVal = Combins(n - elmWidth - 1, elements - bar - 2);
-      if (noNarrow && (narrowMask == 0) &&
-          (n - elmWidth - (elements - bar - 1) >= elements - bar - 1)) {
-        subVal -= Combins(n - elmWidth - (elements - bar), elements - bar - 2);
-      }
-      if (elements - bar - 1 > 1) {
-        int32_t lessVal = 0;
-        for (int32_t mxwElement = n - elmWidth - (elements - bar - 2);
-             mxwElement > maxWidth; mxwElement--) {
-          lessVal += Combins(n - elmWidth - mxwElement - 1, elements - bar - 3);
-        }
-        subVal -= lessVal * (elements - 1 - bar);
-      } else if (n - elmWidth > maxWidth) {
-        subVal--;
-      }
-      val -= subVal;
-      if (val < 0) {
-        break;
-      }
-      elmWidth++;
-      narrowMask &= ~(1 << bar);
-    }
-    val += subVal;
-    n -= elmWidth;
-    (*widths)[bar] = elmWidth;
-  }
-  (*widths)[bar] = n;
-  return widths.release();
-}
-int32_t CBC_UtilRSS::GetRSSvalue(CFX_Int32Array& widths,
-                                 int32_t maxWidth,
-                                 FX_BOOL noNarrow) {
-  int32_t elements = widths.GetSize();
-  int32_t n = 0;
-  for (int32_t i = 0; i < elements; i++) {
-    n += widths[i];
-  }
-  int32_t val = 0;
-  int32_t narrowMask = 0;
-  for (int32_t bar = 0; bar < elements - 1; bar++) {
-    int32_t elmWidth;
-    for (elmWidth = 1, narrowMask |= (1 << bar); elmWidth < widths[bar];
-         elmWidth++, narrowMask &= ~(1 << bar)) {
-      int32_t subVal = Combins(n - elmWidth - 1, elements - bar - 2);
-      if (noNarrow && (narrowMask == 0) &&
-          (n - elmWidth - (elements - bar - 1) >= elements - bar - 1)) {
-        subVal -= Combins(n - elmWidth - (elements - bar), elements - bar - 2);
-      }
-      if (elements - bar - 1 > 1) {
-        int32_t lessVal = 0;
-        for (int32_t mxwElement = n - elmWidth - (elements - bar - 2);
-             mxwElement > maxWidth; mxwElement--) {
-          lessVal += Combins(n - elmWidth - mxwElement - 1, elements - bar - 3);
-        }
-        subVal -= lessVal * (elements - 1 - bar);
-      } else if (n - elmWidth > maxWidth) {
-        subVal--;
-      }
-      val += subVal;
-    }
-    n -= elmWidth;
-  }
-  return val;
-}
-int32_t CBC_UtilRSS::Combins(int32_t n, int32_t r) {
-  int32_t maxDenom;
-  int32_t minDenom;
-  if (n - r > r) {
-    minDenom = r;
-    maxDenom = n - r;
-  } else {
-    minDenom = n - r;
-    maxDenom = r;
-  }
-  int32_t val = 1;
-  int32_t j = 1;
-  for (int32_t i = n; i > maxDenom; i--) {
-    val *= i;
-    if (j <= minDenom) {
-      val /= j;
-      j++;
-    }
-  }
-  while (j <= minDenom) {
-    val /= j;
-    j++;
-  }
-  return val;
-}
-CFX_Int32Array* CBC_UtilRSS::Elements(CFX_Int32Array& eDist,
-                                      int32_t N,
-                                      int32_t K) {
-  CFX_Int32Array* widths = new CFX_Int32Array;
-  widths->SetSize(eDist.GetSize() + 2);
-  int32_t twoK = K << 1;
-  (*widths)[0] = 1;
-  int32_t i;
-  int32_t minEven = 10;
-  int32_t barSum = 1;
-  for (i = 1; i < twoK - 2; i += 2) {
-    (*widths)[i] = eDist[i - 1] - (*widths)[i - 1];
-    (*widths)[i + 1] = eDist[i] - (*widths)[i];
-    barSum += (*widths)[i] + (*widths)[i + 1];
-    if ((*widths)[i] < minEven) {
-      minEven = (*widths)[i];
-    }
-  }
-  (*widths)[twoK - 1] = N - barSum;
-  if ((*widths)[twoK - 1] < minEven) {
-    minEven = (*widths)[twoK - 1];
-  }
-  if (minEven > 1) {
-    for (i = 0; i < twoK; i += 2) {
-      (*widths)[i] += minEven - 1;
-      (*widths)[i + 1] -= minEven - 1;
-    }
-  }
-  return widths;
-}