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

Issue 1803723002: Move xfa/src up to xfa/. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Rebase to master Created 4 years, 9 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 "xfa/src/fxbarcode/common/BC_GlobalHistogramBinarizer.h" 23 #include "xfa/fxbarcode/common/BC_GlobalHistogramBinarizer.h"
24 24
25 #include <memory> 25 #include <memory>
26 26
27 #include "xfa/src/fxbarcode/BC_Binarizer.h" 27 #include "xfa/fxbarcode/BC_Binarizer.h"
28 #include "xfa/src/fxbarcode/BC_LuminanceSource.h" 28 #include "xfa/fxbarcode/BC_LuminanceSource.h"
29 #include "xfa/src/fxbarcode/common/BC_CommonBitArray.h" 29 #include "xfa/fxbarcode/common/BC_CommonBitArray.h"
30 #include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h" 30 #include "xfa/fxbarcode/common/BC_CommonBitMatrix.h"
31 #include "xfa/src/fxbarcode/utils.h" 31 #include "xfa/fxbarcode/utils.h"
32 32
33 const int32_t LUMINANCE_BITS = 5; 33 const int32_t LUMINANCE_BITS = 5;
34 const int32_t LUMINANCE_SHIFT = 8 - LUMINANCE_BITS; 34 const int32_t LUMINANCE_SHIFT = 8 - LUMINANCE_BITS;
35 const int32_t LUMINANCE_BUCKETS = 1 << LUMINANCE_BITS; 35 const int32_t LUMINANCE_BUCKETS = 1 << LUMINANCE_BITS;
36 36
37 CBC_GlobalHistogramBinarizer::CBC_GlobalHistogramBinarizer( 37 CBC_GlobalHistogramBinarizer::CBC_GlobalHistogramBinarizer(
38 CBC_LuminanceSource* source) 38 CBC_LuminanceSource* source)
39 : CBC_Binarizer(source) {} 39 : CBC_Binarizer(source) {}
40 CBC_GlobalHistogramBinarizer::~CBC_GlobalHistogramBinarizer() {} 40 CBC_GlobalHistogramBinarizer::~CBC_GlobalHistogramBinarizer() {}
41 CBC_CommonBitArray* CBC_GlobalHistogramBinarizer::GetBlackRow( 41 CBC_CommonBitArray* CBC_GlobalHistogramBinarizer::GetBlackRow(
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164 int32_t fromFirst = x - firstPeak; 164 int32_t fromFirst = x - firstPeak;
165 int32_t score = fromFirst * fromFirst * (secondPeak - x) * 165 int32_t score = fromFirst * fromFirst * (secondPeak - x) *
166 (maxBucketCount - buckets[x]); 166 (maxBucketCount - buckets[x]);
167 if (score > bestValleyScore) { 167 if (score > bestValleyScore) {
168 bestValley = x; 168 bestValley = x;
169 bestValleyScore = score; 169 bestValleyScore = score;
170 } 170 }
171 } 171 }
172 return bestValley << LUMINANCE_SHIFT; 172 return bestValley << LUMINANCE_SHIFT;
173 } 173 }
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