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 "xfa/src/fxbarcode/BC_ResultPoint.h" 25 #include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h" 26 #include "BC_PDF417BoundingBox.h" 27 CBC_BoundingBox::CBC_BoundingBox(CBC_CommonBitMatrix* image, 28 CBC_ResultPoint* topLeft, 29 CBC_ResultPoint* bottomLeft, 30 CBC_ResultPoint* topRight, 31 CBC_ResultPoint* bottomRight, 32 int32_t& e) { 33 if ((topLeft == NULL && topRight == NULL) || 34 (bottomLeft == NULL && bottomRight == NULL) || 35 (topLeft != NULL && bottomLeft == NULL) || 36 (topRight != NULL && bottomRight == NULL)) { 37 e = BCExceptionNotFoundInstance; 38 } 39 init(image, topLeft, bottomLeft, topRight, bottomRight); 40 } 41 CBC_BoundingBox::CBC_BoundingBox(CBC_BoundingBox* boundingBox) { 42 init(boundingBox->m_image, boundingBox->m_topLeft, boundingBox->m_bottomLeft, 43 boundingBox->m_topRight, boundingBox->m_bottomRight); 44 } 45 CBC_BoundingBox::~CBC_BoundingBox() { 46 if (m_topLeft) { 47 delete m_topLeft; 48 } 49 if (m_bottomLeft) { 50 delete m_bottomLeft; 51 } 52 if (m_topRight) { 53 delete m_topRight; 54 } 55 if (m_bottomRight) { 56 delete m_bottomRight; 57 } 58 } 59 CBC_BoundingBox* CBC_BoundingBox::merge(CBC_BoundingBox* leftBox, 60 CBC_BoundingBox* rightBox, 61 int32_t& e) { 62 CBC_BoundingBox* boundingBox = NULL; 63 if (leftBox == NULL) { 64 boundingBox = new CBC_BoundingBox(rightBox); 65 return boundingBox; 66 } 67 if (rightBox == NULL) { 68 boundingBox = new CBC_BoundingBox(leftBox); 69 return boundingBox; 70 } 71 boundingBox = new CBC_BoundingBox(leftBox->m_image, leftBox->m_topLeft, 72 leftBox->m_bottomLeft, rightBox->m_topRight, 73 rightBox->m_bottomRight, e); 74 BC_EXCEPTION_CHECK_ReturnValue(e, NULL); 75 return boundingBox; 76 } 77 CBC_BoundingBox* CBC_BoundingBox::addMissingRows(int32_t missingStartRows, 78 int32_t missingEndRows, 79 FX_BOOL isLeft, 80 int32_t& e) { 81 CBC_ResultPoint* newTopLeft = m_topLeft; 82 CBC_ResultPoint* newBottomLeft = m_bottomLeft; 83 CBC_ResultPoint* newTopRight = m_topRight; 84 CBC_ResultPoint* newBottomRight = m_bottomRight; 85 CBC_ResultPoint* newTop = NULL; 86 CBC_ResultPoint* newBottom = NULL; 87 if (missingStartRows > 0) { 88 CBC_ResultPoint* top = isLeft ? m_topLeft : m_topRight; 89 int32_t newMinY = (int32_t)top->GetY() - missingStartRows; 90 if (newMinY < 0) { 91 newMinY = 0; 92 } 93 newTop = new CBC_ResultPoint((FX_FLOAT)top->GetX(), (FX_FLOAT)newMinY); 94 if (isLeft) { 95 newTopLeft = newTop; 96 } else { 97 newTopRight = newTop; 98 } 99 } 100 if (missingEndRows > 0) { 101 CBC_ResultPoint* bottom = isLeft ? m_bottomLeft : m_bottomRight; 102 int32_t newMaxY = (int32_t)bottom->GetY() + missingEndRows; 103 if (newMaxY >= m_image->GetHeight()) { 104 newMaxY = m_image->GetHeight() - 1; 105 } 106 newBottom = 107 new CBC_ResultPoint((FX_FLOAT)bottom->GetX(), (FX_FLOAT)newMaxY); 108 if (isLeft) { 109 newBottomLeft = newBottom; 110 } else { 111 newBottomRight = newBottom; 112 } 113 } 114 calculateMinMaxValues(); 115 CBC_BoundingBox* boundingBox = new CBC_BoundingBox( 116 m_image, newTopLeft, newBottomLeft, newTopRight, newBottomRight, e); 117 delete newTop; 118 delete newBottom; 119 BC_EXCEPTION_CHECK_ReturnValue(e, NULL); 120 return boundingBox; 121 } 122 void CBC_BoundingBox::setTopRight(CBC_ResultPoint topRight) { 123 if (m_topRight) { 124 delete m_topRight; 125 } 126 m_topRight = new CBC_ResultPoint(topRight.GetX(), topRight.GetY()); 127 calculateMinMaxValues(); 128 } 129 void CBC_BoundingBox::setBottomRight(CBC_ResultPoint bottomRight) { 130 if (m_bottomRight) { 131 delete m_bottomRight; 132 } 133 m_bottomRight = new CBC_ResultPoint(bottomRight.GetX(), bottomRight.GetY()); 134 calculateMinMaxValues(); 135 } 136 int32_t CBC_BoundingBox::getMinX() { 137 return m_minX; 138 } 139 int32_t CBC_BoundingBox::getMaxX() { 140 return m_maxX; 141 } 142 int32_t CBC_BoundingBox::getMinY() { 143 return m_minY; 144 } 145 int32_t CBC_BoundingBox::getMaxY() { 146 return m_maxY; 147 } 148 CBC_ResultPoint* CBC_BoundingBox::getTopLeft() { 149 return m_topLeft; 150 } 151 CBC_ResultPoint* CBC_BoundingBox::getTopRight() { 152 return m_topRight; 153 } 154 CBC_ResultPoint* CBC_BoundingBox::getBottomLeft() { 155 return m_bottomLeft; 156 } 157 CBC_ResultPoint* CBC_BoundingBox::getBottomRight() { 158 return m_bottomRight; 159 } 160 void CBC_BoundingBox::init(CBC_CommonBitMatrix* image, 161 CBC_ResultPoint* topLeft, 162 CBC_ResultPoint* bottomLeft, 163 CBC_ResultPoint* topRight, 164 CBC_ResultPoint* bottomRight) { 165 m_topLeft = NULL; 166 m_bottomLeft = NULL; 167 m_topRight = NULL; 168 m_bottomRight = NULL; 169 m_image = image; 170 if (topLeft) { 171 m_topLeft = new CBC_ResultPoint(topLeft->GetX(), topLeft->GetY()); 172 } 173 if (bottomLeft) { 174 m_bottomLeft = new CBC_ResultPoint(bottomLeft->GetX(), bottomLeft->GetY()); 175 } 176 if (topRight) { 177 m_topRight = new CBC_ResultPoint(topRight->GetX(), topRight->GetY()); 178 } 179 if (bottomRight) { 180 m_bottomRight = 181 new CBC_ResultPoint(bottomRight->GetX(), bottomRight->GetY()); 182 } 183 calculateMinMaxValues(); 184 } 185 void CBC_BoundingBox::calculateMinMaxValues() { 186 if (m_topLeft == NULL) { 187 m_topLeft = new CBC_ResultPoint(0, m_topRight->GetY()); 188 m_bottomLeft = new CBC_ResultPoint(0, m_bottomRight->GetY()); 189 } else if (m_topRight == NULL) { 190 m_topRight = new CBC_ResultPoint((FX_FLOAT)m_image->GetWidth() - 1, 191 (FX_FLOAT)m_topLeft->GetY()); 192 m_bottomRight = new CBC_ResultPoint((FX_FLOAT)m_image->GetWidth() - 1, 193 (FX_FLOAT)m_bottomLeft->GetY()); 194 } 195 m_minX = (int32_t)(m_topLeft->GetX() < m_bottomLeft->GetX() 196 ? m_topLeft->GetX() 197 : m_bottomLeft->GetX()); 198 m_maxX = (int32_t)(m_topRight->GetX() > m_bottomRight->GetX() 199 ? m_topRight->GetX() 200 : m_bottomRight->GetX()); 201 m_minY = 202 (int32_t)(m_topLeft->GetY() < m_topRight->GetY() ? m_topLeft->GetY() 203 : m_topRight->GetY()); 204 m_maxY = (int32_t)(m_bottomLeft->GetY() > m_bottomRight->GetY() 205 ? m_bottomLeft->GetY() 206 : m_bottomRight->GetY()); 207 } 208
