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 2007 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 "xfa/src/fxbarcode/BC_ResultPoint.h"
25 #include "BC_QRFinderPattern.h"
CBC_QRFinderPattern(FX_FLOAT x,FX_FLOAT posY,FX_FLOAT estimatedModuleSize)26 CBC_QRFinderPattern::CBC_QRFinderPattern(FX_FLOAT x,
27                                          FX_FLOAT posY,
28                                          FX_FLOAT estimatedModuleSize)
29     : CBC_ResultPoint(x, posY),
30       m_estimatedModuleSize(estimatedModuleSize),
31       m_count(1) {}
~CBC_QRFinderPattern()32 CBC_QRFinderPattern::~CBC_QRFinderPattern() {
33   m_count = 0;
34   m_x = 0.0f;
35   m_y = 0.0f;
36   m_estimatedModuleSize = 0.0f;
37 }
Clone()38 CBC_QRFinderPattern* CBC_QRFinderPattern::Clone() {
39   CBC_QRFinderPattern* temp =
40       new CBC_QRFinderPattern(m_x, m_y, m_estimatedModuleSize);
41   temp->m_count = m_count;
42   return temp;
43 }
GetEstimatedModuleSize()44 FX_FLOAT CBC_QRFinderPattern::GetEstimatedModuleSize() {
45   return m_estimatedModuleSize;
46 }
GetCount()47 int32_t CBC_QRFinderPattern::GetCount() {
48   return m_count;
49 }
IncrementCount()50 void CBC_QRFinderPattern::IncrementCount() {
51   m_count++;
52 }
AboutEquals(FX_FLOAT moduleSize,FX_FLOAT i,FX_FLOAT j)53 FX_BOOL CBC_QRFinderPattern::AboutEquals(FX_FLOAT moduleSize,
54                                          FX_FLOAT i,
55                                          FX_FLOAT j) {
56   if ((fabs(i - GetY()) <= moduleSize) && (fabs(j - GetX()) <= moduleSize)) {
57     FX_FLOAT moduleSizeDiff = fabs(moduleSize - m_estimatedModuleSize);
58     return (moduleSizeDiff <= 1.0f) ||
59            (moduleSizeDiff / m_estimatedModuleSize <= 1.0f);
60   }
61   return false;
62 }
GetX()63 FX_FLOAT CBC_QRFinderPattern::GetX() {
64   return m_x;
65 }
GetY()66 FX_FLOAT CBC_QRFinderPattern::GetY() {
67   return m_y;
68 }
69