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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_QRAlignmentPattern.h"
     26 CBC_QRAlignmentPattern::CBC_QRAlignmentPattern(FX_FLOAT posX,
     27                                                FX_FLOAT posY,
     28                                                FX_FLOAT estimateModuleSize)
     29     : CBC_ResultPoint(posX, posY), m_moduleSize(estimateModuleSize) {}
     30 CBC_QRAlignmentPattern::~CBC_QRAlignmentPattern() {}
     31 FX_FLOAT CBC_QRAlignmentPattern::GetX() {
     32   return m_x;
     33 }
     34 FX_FLOAT CBC_QRAlignmentPattern::GetY() {
     35   return m_y;
     36 }
     37 FX_BOOL CBC_QRAlignmentPattern::AboutEquals(FX_FLOAT moduleSize,
     38                                             FX_FLOAT i,
     39                                             FX_FLOAT j) {
     40   if ((FXSYS_fabs(i - GetY()) <= moduleSize) &&
     41       (FXSYS_fabs(j - GetX()) <= moduleSize)) {
     42     FX_FLOAT moduleSizeDiff = FXSYS_fabs(moduleSize - m_moduleSize);
     43     return (moduleSizeDiff <= 1.0f) || (moduleSizeDiff / m_moduleSize <= 1.0f);
     44   }
     45   return FALSE;
     46 }
     47 CBC_QRAlignmentPattern* CBC_QRAlignmentPattern::Clone() {
     48   return new CBC_QRAlignmentPattern(m_x, m_y, m_moduleSize);
     49 }
     50