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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 <algorithm> |
23 #include <limits> | 24 #include <limits> |
| 25 #include <memory> |
24 | 26 |
25 #include "xfa/fxbarcode/BC_BinaryBitmap.h" | 27 #include "xfa/fxbarcode/BC_BinaryBitmap.h" |
26 #include "xfa/fxbarcode/BC_BinaryBitmap.h" | 28 #include "xfa/fxbarcode/BC_BinaryBitmap.h" |
27 #include "xfa/fxbarcode/BC_DecoderResult.h" | 29 #include "xfa/fxbarcode/BC_DecoderResult.h" |
28 #include "xfa/fxbarcode/BC_Reader.h" | 30 #include "xfa/fxbarcode/BC_Reader.h" |
29 #include "xfa/fxbarcode/BC_ResultPoint.h" | 31 #include "xfa/fxbarcode/BC_ResultPoint.h" |
30 #include "xfa/fxbarcode/common/BC_CommonBitArray.h" | 32 #include "xfa/fxbarcode/common/BC_CommonBitArray.h" |
31 #include "xfa/fxbarcode/common/BC_CommonBitMatrix.h" | 33 #include "xfa/fxbarcode/common/BC_CommonBitMatrix.h" |
32 #include "xfa/fxbarcode/common/BC_CommonBitMatrix.h" | 34 #include "xfa/fxbarcode/common/BC_CommonBitMatrix.h" |
33 #include "xfa/fxbarcode/common/BC_CommonDecoderResult.h" | 35 #include "xfa/fxbarcode/common/BC_CommonDecoderResult.h" |
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57 CBC_PDF417Reader::~CBC_PDF417Reader() {} | 59 CBC_PDF417Reader::~CBC_PDF417Reader() {} |
58 | 60 |
59 CFX_ByteString CBC_PDF417Reader::Decode(CBC_BinaryBitmap* image, int32_t& e) { | 61 CFX_ByteString CBC_PDF417Reader::Decode(CBC_BinaryBitmap* image, int32_t& e) { |
60 return Decode(image, 0, e); | 62 return Decode(image, 0, e); |
61 } | 63 } |
62 CFX_ByteString CBC_PDF417Reader::Decode(CBC_BinaryBitmap* image, | 64 CFX_ByteString CBC_PDF417Reader::Decode(CBC_BinaryBitmap* image, |
63 FX_BOOL multiple, | 65 FX_BOOL multiple, |
64 int32_t hints, | 66 int32_t hints, |
65 int32_t& e) { | 67 int32_t& e) { |
66 CFX_ByteString results; | 68 CFX_ByteString results; |
67 CBC_PDF417DetectorResult* detectorResult = | 69 std::unique_ptr<CBC_PDF417DetectorResult> detectorResult( |
68 CBC_Detector::detect(image, hints, multiple, e); | 70 CBC_Detector::detect(image, hints, multiple, e)); |
69 BC_EXCEPTION_CHECK_ReturnValue(e, ""); | 71 BC_EXCEPTION_CHECK_ReturnValue(e, ""); |
70 for (int32_t i = 0; i < detectorResult->getPoints()->GetSize(); i++) { | 72 for (int32_t i = 0; i < detectorResult->getPoints()->GetSize(); i++) { |
71 CFX_PtrArray* points = (CFX_PtrArray*)detectorResult->getPoints()->GetAt(i); | 73 CBC_ResultPointArray* points = detectorResult->getPoints()->GetAt(i); |
72 CBC_CommonDecoderResult* ResultTemp = CBC_PDF417ScanningDecoder::decode( | 74 std::unique_ptr<CBC_CommonDecoderResult> ResultTemp( |
73 detectorResult->getBits(), (CBC_ResultPoint*)points->GetAt(4), | 75 CBC_PDF417ScanningDecoder::decode( |
74 (CBC_ResultPoint*)points->GetAt(5), (CBC_ResultPoint*)points->GetAt(6), | 76 detectorResult->getBits(), points->GetAt(4), points->GetAt(5), |
75 (CBC_ResultPoint*)points->GetAt(7), getMinCodewordWidth(*points), | 77 points->GetAt(6), points->GetAt(7), getMinCodewordWidth(*points), |
76 getMaxCodewordWidth(*points), e); | 78 getMaxCodewordWidth(*points), e)); |
77 if (ResultTemp == NULL) { | 79 if (!ResultTemp) { |
78 delete detectorResult; | |
79 e = BCExceptiontNotFoundInstance; | 80 e = BCExceptiontNotFoundInstance; |
80 return ""; | 81 return CFX_ByteString(); |
81 } | 82 } |
82 results += ResultTemp->GetText(); | 83 results += ResultTemp->GetText(); |
83 delete ResultTemp; | |
84 } | 84 } |
85 delete detectorResult; | |
86 return results; | 85 return results; |
87 } | 86 } |
| 87 |
88 CFX_ByteString CBC_PDF417Reader::Decode(CBC_BinaryBitmap* image, | 88 CFX_ByteString CBC_PDF417Reader::Decode(CBC_BinaryBitmap* image, |
89 int32_t hints, | 89 int32_t hints, |
90 int32_t& e) { | 90 int32_t& e) { |
91 CFX_ByteString bs = Decode(image, FALSE, 0, e); | 91 CFX_ByteString bs = Decode(image, FALSE, 0, e); |
92 BC_EXCEPTION_CHECK_ReturnValue(e, ""); | 92 BC_EXCEPTION_CHECK_ReturnValue(e, ""); |
93 return bs; | 93 return bs; |
94 } | 94 } |
95 int32_t CBC_PDF417Reader::getMaxWidth(CBC_ResultPoint* p1, | 95 int32_t CBC_PDF417Reader::getMaxWidth(CBC_ResultPoint* p1, |
96 CBC_ResultPoint* p2) { | 96 CBC_ResultPoint* p2) { |
97 if (p1 == NULL || p2 == NULL) { | 97 if (p1 == NULL || p2 == NULL) { |
98 return 0; | 98 return 0; |
99 } | 99 } |
100 return (int32_t)FXSYS_fabs(p1->GetX() - p2->GetX()); | 100 return (int32_t)FXSYS_fabs(p1->GetX() - p2->GetX()); |
101 } | 101 } |
102 int32_t CBC_PDF417Reader::getMinWidth(CBC_ResultPoint* p1, | 102 int32_t CBC_PDF417Reader::getMinWidth(CBC_ResultPoint* p1, |
103 CBC_ResultPoint* p2) { | 103 CBC_ResultPoint* p2) { |
104 if (!p1 || !p2) | 104 if (!p1 || !p2) |
105 return std::numeric_limits<int32_t>::max(); | 105 return std::numeric_limits<int32_t>::max(); |
106 return (int32_t)FXSYS_fabs(p1->GetX() - p2->GetX()); | 106 return (int32_t)FXSYS_fabs(p1->GetX() - p2->GetX()); |
107 } | 107 } |
108 int32_t CBC_PDF417Reader::getMaxCodewordWidth(CFX_PtrArray& p) { | 108 |
109 int32_t a = | 109 int32_t CBC_PDF417Reader::getMaxCodewordWidth( |
110 getMaxWidth((CBC_ResultPoint*)p.GetAt(6), (CBC_ResultPoint*)p.GetAt(2)) * | 110 const CFX_ArrayTemplate<CBC_ResultPoint*>& p) { |
111 CBC_PDF417Common::MODULES_IN_CODEWORD / | 111 int32_t a = getMaxWidth(p.GetAt(6), p.GetAt(2)) * |
112 CBC_PDF417Common::MODULES_IN_STOP_PATTERN; | 112 CBC_PDF417Common::MODULES_IN_CODEWORD / |
113 int32_t b = | 113 CBC_PDF417Common::MODULES_IN_STOP_PATTERN; |
114 getMaxWidth((CBC_ResultPoint*)p.GetAt(7), (CBC_ResultPoint*)p.GetAt(3)) * | 114 int32_t b = getMaxWidth(p.GetAt(7), p.GetAt(3)) * |
115 CBC_PDF417Common::MODULES_IN_CODEWORD / | 115 CBC_PDF417Common::MODULES_IN_CODEWORD / |
116 CBC_PDF417Common::MODULES_IN_STOP_PATTERN; | 116 CBC_PDF417Common::MODULES_IN_STOP_PATTERN; |
117 int32_t c = getMaxWidth((CBC_ResultPoint*)p.GetAt(0), | 117 int32_t c = std::min(a, getMaxWidth(p.GetAt(0), p.GetAt(4))); |
118 (CBC_ResultPoint*)p.GetAt(4)) < a | 118 int32_t d = std::min(b, getMaxWidth(p.GetAt(1), p.GetAt(5))); |
119 ? getMaxWidth((CBC_ResultPoint*)p.GetAt(0), | 119 return std::min(c, d); |
120 (CBC_ResultPoint*)p.GetAt(4)) | |
121 : a; | |
122 int32_t d = getMaxWidth((CBC_ResultPoint*)p.GetAt(1), | |
123 (CBC_ResultPoint*)p.GetAt(5)) < b | |
124 ? getMaxWidth((CBC_ResultPoint*)p.GetAt(1), | |
125 (CBC_ResultPoint*)p.GetAt(5)) | |
126 : b; | |
127 return c < d ? c : d; | |
128 } | 120 } |
129 int32_t CBC_PDF417Reader::getMinCodewordWidth(CFX_PtrArray& p) { | 121 |
130 int32_t a = | 122 int32_t CBC_PDF417Reader::getMinCodewordWidth( |
131 getMinWidth((CBC_ResultPoint*)p.GetAt(6), (CBC_ResultPoint*)p.GetAt(2)) * | 123 const CFX_ArrayTemplate<CBC_ResultPoint*>& p) { |
132 CBC_PDF417Common::MODULES_IN_CODEWORD / | 124 int32_t a = getMinWidth(p.GetAt(6), p.GetAt(2)) * |
133 CBC_PDF417Common::MODULES_IN_STOP_PATTERN; | 125 CBC_PDF417Common::MODULES_IN_CODEWORD / |
134 int32_t b = | 126 CBC_PDF417Common::MODULES_IN_STOP_PATTERN; |
135 getMinWidth((CBC_ResultPoint*)p.GetAt(7), (CBC_ResultPoint*)p.GetAt(3)) * | 127 int32_t b = getMinWidth(p.GetAt(7), p.GetAt(3)) * |
136 CBC_PDF417Common::MODULES_IN_CODEWORD / | 128 CBC_PDF417Common::MODULES_IN_CODEWORD / |
137 CBC_PDF417Common::MODULES_IN_STOP_PATTERN; | 129 CBC_PDF417Common::MODULES_IN_STOP_PATTERN; |
138 int32_t c = getMinWidth((CBC_ResultPoint*)p.GetAt(0), | 130 int32_t c = std::min(a, getMinWidth(p.GetAt(0), p.GetAt(4))); |
139 (CBC_ResultPoint*)p.GetAt(4)) < a | 131 int32_t d = std::min(b, getMinWidth(p.GetAt(1), p.GetAt(5))); |
140 ? getMinWidth((CBC_ResultPoint*)p.GetAt(0), | 132 return std::min(c, d); |
141 (CBC_ResultPoint*)p.GetAt(4)) | |
142 : a; | |
143 int32_t d = getMinWidth((CBC_ResultPoint*)p.GetAt(1), | |
144 (CBC_ResultPoint*)p.GetAt(5)) < b | |
145 ? getMinWidth((CBC_ResultPoint*)p.GetAt(1), | |
146 (CBC_ResultPoint*)p.GetAt(5)) | |
147 : b; | |
148 return c < d ? c : d; | |
149 } | 133 } |
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