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Side by Side Diff: xfa/src/fxbarcode/common/BC_GlobalHistogramBinarizer.cpp

Issue 842043002: Organize barcode codes into modules. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@xfa
Patch Set: rebase Created 5 years, 11 months ago
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1 // Copyright 2014 PDFium Authors. All rights reserved. 1 // Copyright 2014 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6 // Original code is licensed as follows: 6 // Original code is licensed as follows:
7 /* 7 /*
8 * Copyright 2009 ZXing authors 8 * Copyright 2009 ZXing authors
9 * 9 *
10 * Licensed under the Apache License, Version 2.0 (the "License"); 10 * Licensed under the Apache License, Version 2.0 (the "License");
11 * you may not use this file except in compliance with the License. 11 * you may not use this file except in compliance with the License.
12 * You may obtain a copy of the License at 12 * You may obtain a copy of the License at
13 * 13 *
14 * http://www.apache.org/licenses/LICENSE-2.0 14 * http://www.apache.org/licenses/LICENSE-2.0
15 * 15 *
16 * Unless required by applicable law or agreed to in writing, software 16 * Unless required by applicable law or agreed to in writing, software
17 * distributed under the License is distributed on an "AS IS" BASIS, 17 * distributed under the License is distributed on an "AS IS" BASIS,
18 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 18 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19 * See the License for the specific language governing permissions and 19 * See the License for the specific language governing permissions and
20 * limitations under the License. 20 * limitations under the License.
21 */ 21 */
22 22
23 #include "barcode.h" 23 #include "../barcode.h"
24 #include "include/BC_Binarizer.h" 24 #include "../BC_Binarizer.h"
25 #include "include/BC_LuminanceSource.h" 25 #include "../BC_LuminanceSource.h"
26 #include "include/BC_CommonBitMatrix.h" 26 #include "BC_CommonBitMatrix.h"
27 #include "include/BC_CommonBitArray.h" 27 #include "BC_CommonBitArray.h"
28 #include "include/BC_GlobalHistogramBinarizer.h" 28 #include "BC_GlobalHistogramBinarizer.h"
29 const FX_INT32 LUMINANCE_BITS = 5; 29 const FX_INT32 LUMINANCE_BITS = 5;
30 const FX_INT32 LUMINANCE_SHIFT = 8 - LUMINANCE_BITS; 30 const FX_INT32 LUMINANCE_SHIFT = 8 - LUMINANCE_BITS;
31 const FX_INT32 LUMINANCE_BUCKETS = 1 << LUMINANCE_BITS; 31 const FX_INT32 LUMINANCE_BUCKETS = 1 << LUMINANCE_BITS;
32 CBC_GlobalHistogramBinarizer::CBC_GlobalHistogramBinarizer(CBC_LuminanceSource * source): CBC_Binarizer(source) 32 CBC_GlobalHistogramBinarizer::CBC_GlobalHistogramBinarizer(CBC_LuminanceSource * source): CBC_Binarizer(source)
33 { 33 {
34 } 34 }
35 CBC_GlobalHistogramBinarizer::~CBC_GlobalHistogramBinarizer() 35 CBC_GlobalHistogramBinarizer::~CBC_GlobalHistogramBinarizer()
36 { 36 {
37 } 37 }
38 CBC_CommonBitArray *CBC_GlobalHistogramBinarizer::GetBlackRow(FX_INT32 y, CBC_Co mmonBitArray *row, FX_INT32 &e) 38 CBC_CommonBitArray *CBC_GlobalHistogramBinarizer::GetBlackRow(FX_INT32 y, CBC_Co mmonBitArray *row, FX_INT32 &e)
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160 for (x = secondPeak - 1; x > firstPeak; x--) { 160 for (x = secondPeak - 1; x > firstPeak; x--) {
161 FX_INT32 fromFirst = x - firstPeak; 161 FX_INT32 fromFirst = x - firstPeak;
162 FX_INT32 score = fromFirst * fromFirst * (secondPeak - x) * (maxBucketCo unt - buckets[x]); 162 FX_INT32 score = fromFirst * fromFirst * (secondPeak - x) * (maxBucketCo unt - buckets[x]);
163 if (score > bestValleyScore) { 163 if (score > bestValleyScore) {
164 bestValley = x; 164 bestValley = x;
165 bestValleyScore = score; 165 bestValleyScore = score;
166 } 166 }
167 } 167 }
168 return bestValley << LUMINANCE_SHIFT; 168 return bestValley << LUMINANCE_SHIFT;
169 } 169 }
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