• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 // Copyright 2014 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6 // Original code is licensed as follows:
7 /*
8  * Copyright 2013 ZXing authors
9  *
10  * Licensed under the Apache License, Version 2.0 (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
13  *
14  *      http://www.apache.org/licenses/LICENSE-2.0
15  *
16  * Unless required by applicable law or agreed to in writing, software
17  * distributed under the License is distributed on an "AS IS" BASIS,
18  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19  * See the License for the specific language governing permissions and
20  * limitations under the License.
21  */
22 
23 #include "xfa/src/fxbarcode/barcode.h"
24 #include "BC_PDF417Codeword.h"
25 #include "BC_PDF417BoundingBox.h"
26 #include "BC_PDF417DetectionResultColumn.h"
27 int32_t CBC_DetectionResultColumn::MAX_NEARBY_DISTANCE = 5;
CBC_DetectionResultColumn(CBC_BoundingBox * boundingBox)28 CBC_DetectionResultColumn::CBC_DetectionResultColumn(
29     CBC_BoundingBox* boundingBox) {
30   m_boundingBox = boundingBox;
31   m_codewords = new CFX_PtrArray;
32   m_codewords->SetSize(boundingBox->getMaxY() - boundingBox->getMinY() + 1);
33 }
~CBC_DetectionResultColumn()34 CBC_DetectionResultColumn::~CBC_DetectionResultColumn() {
35   for (int32_t i = 0; i < m_codewords->GetSize(); i++) {
36     delete (CBC_Codeword*)m_codewords->GetAt(i);
37   }
38   m_codewords->RemoveAll();
39   delete m_codewords;
40 }
getCodewordNearby(int32_t imageRow)41 CBC_Codeword* CBC_DetectionResultColumn::getCodewordNearby(int32_t imageRow) {
42   CBC_Codeword* codeword = getCodeword(imageRow);
43   if (codeword != NULL) {
44     return codeword;
45   }
46   for (int32_t i = 1; i < MAX_NEARBY_DISTANCE; i++) {
47     int32_t nearImageRow = imageRowToCodewordIndex(imageRow) - i;
48     if (nearImageRow >= 0) {
49       codeword = (CBC_Codeword*)m_codewords->GetAt(nearImageRow);
50       if (codeword != NULL) {
51         return codeword;
52       }
53     }
54     nearImageRow = imageRowToCodewordIndex(imageRow) + i;
55     if (nearImageRow < m_codewords->GetSize()) {
56       codeword = (CBC_Codeword*)m_codewords->GetAt(nearImageRow);
57       if (codeword != NULL) {
58         return codeword;
59       }
60     }
61   }
62   return NULL;
63 }
imageRowToCodewordIndex(int32_t imageRow)64 int32_t CBC_DetectionResultColumn::imageRowToCodewordIndex(int32_t imageRow) {
65   return imageRow - m_boundingBox->getMinY();
66 }
codewordIndexToImageRow(int32_t codewordIndex)67 int32_t CBC_DetectionResultColumn::codewordIndexToImageRow(
68     int32_t codewordIndex) {
69   return m_boundingBox->getMinY() + codewordIndex;
70 }
setCodeword(int32_t imageRow,CBC_Codeword * codeword)71 void CBC_DetectionResultColumn::setCodeword(int32_t imageRow,
72                                             CBC_Codeword* codeword) {
73   m_codewords->SetAt(imageRowToCodewordIndex(imageRow), codeword);
74 }
getCodeword(int32_t imageRow)75 CBC_Codeword* CBC_DetectionResultColumn::getCodeword(int32_t imageRow) {
76   return (CBC_Codeword*)m_codewords->GetAt(imageRowToCodewordIndex(imageRow));
77 }
getBoundingBox()78 CBC_BoundingBox* CBC_DetectionResultColumn::getBoundingBox() {
79   return m_boundingBox;
80 }
getCodewords()81 CFX_PtrArray* CBC_DetectionResultColumn::getCodewords() {
82   return m_codewords;
83 }
toString()84 CFX_ByteString CBC_DetectionResultColumn::toString() {
85   CFX_ByteString result;
86   int32_t row = 0;
87   for (int32_t i = 0; i < m_codewords->GetSize(); i++) {
88     CBC_Codeword* codeword = (CBC_Codeword*)m_codewords->GetAt(i);
89     if (codeword == NULL) {
90       result += (FX_CHAR)row;
91       row++;
92       continue;
93     }
94     result += (FX_CHAR)row;
95     result += codeword->getRowNumber();
96     result += codeword->getValue();
97     row++;
98   }
99   return result;
100 }
101