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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 2013 ZXing authors | 8 * Copyright 2013 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 <limits> | 23 #include <limits> |
24 | 24 |
25 #include "xfa/src/fxbarcode/pdf417/BC_PDF417CodewordDecoder.h" | 25 #include "xfa/fxbarcode/pdf417/BC_PDF417CodewordDecoder.h" |
26 #include "xfa/src/fxbarcode/pdf417/BC_PDF417Common.h" | 26 #include "xfa/fxbarcode/pdf417/BC_PDF417Common.h" |
27 | 27 |
28 #define SYMBOL_TABLE_Length 2787 | 28 #define SYMBOL_TABLE_Length 2787 |
29 | 29 |
30 FX_FLOAT CBC_PDF417CodewordDecoder::RATIOS_TABLE[2787][8] = {{0}}; | 30 FX_FLOAT CBC_PDF417CodewordDecoder::RATIOS_TABLE[2787][8] = {{0}}; |
31 | 31 |
32 CBC_PDF417CodewordDecoder::CBC_PDF417CodewordDecoder() {} | 32 CBC_PDF417CodewordDecoder::CBC_PDF417CodewordDecoder() {} |
33 CBC_PDF417CodewordDecoder::~CBC_PDF417CodewordDecoder() {} | 33 CBC_PDF417CodewordDecoder::~CBC_PDF417CodewordDecoder() {} |
34 void CBC_PDF417CodewordDecoder::Initialize() { | 34 void CBC_PDF417CodewordDecoder::Initialize() { |
35 for (int32_t i = 0; i < SYMBOL_TABLE_Length; i++) { | 35 for (int32_t i = 0; i < SYMBOL_TABLE_Length; i++) { |
36 int32_t currentSymbol = CBC_PDF417Common::SYMBOL_TABLE[i]; | 36 int32_t currentSymbol = CBC_PDF417Common::SYMBOL_TABLE[i]; |
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108 FX_FLOAT diff = RATIOS_TABLE[j][k] - bitCountRatios[k]; | 108 FX_FLOAT diff = RATIOS_TABLE[j][k] - bitCountRatios[k]; |
109 error += diff * diff; | 109 error += diff * diff; |
110 } | 110 } |
111 if (error < bestMatchError) { | 111 if (error < bestMatchError) { |
112 bestMatchError = error; | 112 bestMatchError = error; |
113 bestMatch = CBC_PDF417Common::SYMBOL_TABLE[j]; | 113 bestMatch = CBC_PDF417Common::SYMBOL_TABLE[j]; |
114 } | 114 } |
115 } | 115 } |
116 return bestMatch; | 116 return bestMatch; |
117 } | 117 } |
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