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authordsinclair <dsinclair@chromium.org>2016-06-16 12:29:07 -0700
committerCommit bot <commit-bot@chromium.org>2016-06-16 12:29:07 -0700
commita26153440b46b3b37b7e81435debb296f22769f4 (patch)
tree37b3073d15af7ae2850b5a02be87123feb54a054 /xfa/fxbarcode/BC_UtilRSS.cpp
parent8320ee28f24615d1d619a5db1b7c235ea6f91dde (diff)
downloadpdfium-a26153440b46b3b37b7e81435debb296f22769f4.tar.xz
Remove barcode reading code.
We never read barcodes, we only write them. Remove code related to barcode reading. Review-Url: https://codereview.chromium.org/2071633002
Diffstat (limited to 'xfa/fxbarcode/BC_UtilRSS.cpp')
-rw-r--r--xfa/fxbarcode/BC_UtilRSS.cpp164
1 files changed, 0 insertions, 164 deletions
diff --git a/xfa/fxbarcode/BC_UtilRSS.cpp b/xfa/fxbarcode/BC_UtilRSS.cpp
deleted file mode 100644
index 19a8f97b19..0000000000
--- a/xfa/fxbarcode/BC_UtilRSS.cpp
+++ /dev/null
@@ -1,164 +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 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/fxbarcode/BC_UtilRSS.h"
-
-#include <memory>
-
-#include "core/fxcrt/include/fx_basic.h"
-#include "xfa/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;
-}