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      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"
     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) {}
     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 }
     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 }
     44 FX_FLOAT CBC_QRFinderPattern::GetEstimatedModuleSize() {
     45   return m_estimatedModuleSize;
     46 }
     47 int32_t CBC_QRFinderPattern::GetCount() {
     48   return m_count;
     49 }
     50 void CBC_QRFinderPattern::IncrementCount() {
     51   m_count++;
     52 }
     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 }
     63 FX_FLOAT CBC_QRFinderPattern::GetX() {
     64   return m_x;
     65 }
     66 FX_FLOAT CBC_QRFinderPattern::GetY() {
     67   return m_y;
     68 }
     69