| // Copyright 2014 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| // Original code is licensed as follows: |
| /* |
| * Copyright 2013 ZXing authors |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "xfa/fxbarcode/BC_ResultPoint.h" |
| #include "xfa/fxbarcode/common/BC_CommonBitMatrix.h" |
| #include "xfa/fxbarcode/pdf417/BC_PDF417BoundingBox.h" |
| #include "xfa/fxbarcode/utils.h" |
| |
| CBC_BoundingBox::CBC_BoundingBox(CBC_CommonBitMatrix* image, |
| CBC_ResultPoint* topLeft, |
| CBC_ResultPoint* bottomLeft, |
| CBC_ResultPoint* topRight, |
| CBC_ResultPoint* bottomRight, |
| int32_t& e) { |
| if ((topLeft == NULL && topRight == NULL) || |
| (bottomLeft == NULL && bottomRight == NULL) || |
| (topLeft && bottomLeft == NULL) || (topRight && bottomRight == NULL)) { |
| e = BCExceptionNotFoundInstance; |
| } |
| init(image, topLeft, bottomLeft, topRight, bottomRight); |
| } |
| CBC_BoundingBox::CBC_BoundingBox(CBC_BoundingBox* boundingBox) { |
| init(boundingBox->m_image, boundingBox->m_topLeft, boundingBox->m_bottomLeft, |
| boundingBox->m_topRight, boundingBox->m_bottomRight); |
| } |
| |
| CBC_BoundingBox::~CBC_BoundingBox() { |
| delete m_topLeft; |
| delete m_bottomLeft; |
| delete m_topRight; |
| delete m_bottomRight; |
| } |
| |
| CBC_BoundingBox* CBC_BoundingBox::merge(CBC_BoundingBox* leftBox, |
| CBC_BoundingBox* rightBox, |
| int32_t& e) { |
| CBC_BoundingBox* boundingBox = NULL; |
| if (leftBox == NULL) { |
| boundingBox = new CBC_BoundingBox(rightBox); |
| return boundingBox; |
| } |
| if (rightBox == NULL) { |
| boundingBox = new CBC_BoundingBox(leftBox); |
| return boundingBox; |
| } |
| boundingBox = new CBC_BoundingBox(leftBox->m_image, leftBox->m_topLeft, |
| leftBox->m_bottomLeft, rightBox->m_topRight, |
| rightBox->m_bottomRight, e); |
| BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
| return boundingBox; |
| } |
| CBC_BoundingBox* CBC_BoundingBox::addMissingRows(int32_t missingStartRows, |
| int32_t missingEndRows, |
| FX_BOOL isLeft, |
| int32_t& e) { |
| CBC_ResultPoint* newTopLeft = m_topLeft; |
| CBC_ResultPoint* newBottomLeft = m_bottomLeft; |
| CBC_ResultPoint* newTopRight = m_topRight; |
| CBC_ResultPoint* newBottomRight = m_bottomRight; |
| CBC_ResultPoint* newTop = NULL; |
| CBC_ResultPoint* newBottom = NULL; |
| if (missingStartRows > 0) { |
| CBC_ResultPoint* top = isLeft ? m_topLeft : m_topRight; |
| int32_t newMinY = (int32_t)top->GetY() - missingStartRows; |
| if (newMinY < 0) { |
| newMinY = 0; |
| } |
| newTop = new CBC_ResultPoint((FX_FLOAT)top->GetX(), (FX_FLOAT)newMinY); |
| if (isLeft) { |
| newTopLeft = newTop; |
| } else { |
| newTopRight = newTop; |
| } |
| } |
| if (missingEndRows > 0) { |
| CBC_ResultPoint* bottom = isLeft ? m_bottomLeft : m_bottomRight; |
| int32_t newMaxY = (int32_t)bottom->GetY() + missingEndRows; |
| if (newMaxY >= m_image->GetHeight()) { |
| newMaxY = m_image->GetHeight() - 1; |
| } |
| newBottom = |
| new CBC_ResultPoint((FX_FLOAT)bottom->GetX(), (FX_FLOAT)newMaxY); |
| if (isLeft) { |
| newBottomLeft = newBottom; |
| } else { |
| newBottomRight = newBottom; |
| } |
| } |
| calculateMinMaxValues(); |
| CBC_BoundingBox* boundingBox = new CBC_BoundingBox( |
| m_image, newTopLeft, newBottomLeft, newTopRight, newBottomRight, e); |
| delete newTop; |
| delete newBottom; |
| BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
| return boundingBox; |
| } |
| void CBC_BoundingBox::setTopRight(CBC_ResultPoint topRight) { |
| if (m_topRight) { |
| delete m_topRight; |
| } |
| m_topRight = new CBC_ResultPoint(topRight.GetX(), topRight.GetY()); |
| calculateMinMaxValues(); |
| } |
| void CBC_BoundingBox::setBottomRight(CBC_ResultPoint bottomRight) { |
| if (m_bottomRight) { |
| delete m_bottomRight; |
| } |
| m_bottomRight = new CBC_ResultPoint(bottomRight.GetX(), bottomRight.GetY()); |
| calculateMinMaxValues(); |
| } |
| int32_t CBC_BoundingBox::getMinX() { |
| return m_minX; |
| } |
| int32_t CBC_BoundingBox::getMaxX() { |
| return m_maxX; |
| } |
| int32_t CBC_BoundingBox::getMinY() { |
| return m_minY; |
| } |
| int32_t CBC_BoundingBox::getMaxY() { |
| return m_maxY; |
| } |
| CBC_ResultPoint* CBC_BoundingBox::getTopLeft() { |
| return m_topLeft; |
| } |
| CBC_ResultPoint* CBC_BoundingBox::getTopRight() { |
| return m_topRight; |
| } |
| CBC_ResultPoint* CBC_BoundingBox::getBottomLeft() { |
| return m_bottomLeft; |
| } |
| CBC_ResultPoint* CBC_BoundingBox::getBottomRight() { |
| return m_bottomRight; |
| } |
| void CBC_BoundingBox::init(CBC_CommonBitMatrix* image, |
| CBC_ResultPoint* topLeft, |
| CBC_ResultPoint* bottomLeft, |
| CBC_ResultPoint* topRight, |
| CBC_ResultPoint* bottomRight) { |
| m_topLeft = NULL; |
| m_bottomLeft = NULL; |
| m_topRight = NULL; |
| m_bottomRight = NULL; |
| m_image = image; |
| if (topLeft) { |
| m_topLeft = new CBC_ResultPoint(topLeft->GetX(), topLeft->GetY()); |
| } |
| if (bottomLeft) { |
| m_bottomLeft = new CBC_ResultPoint(bottomLeft->GetX(), bottomLeft->GetY()); |
| } |
| if (topRight) { |
| m_topRight = new CBC_ResultPoint(topRight->GetX(), topRight->GetY()); |
| } |
| if (bottomRight) { |
| m_bottomRight = |
| new CBC_ResultPoint(bottomRight->GetX(), bottomRight->GetY()); |
| } |
| calculateMinMaxValues(); |
| } |
| void CBC_BoundingBox::calculateMinMaxValues() { |
| if (m_topLeft == NULL) { |
| m_topLeft = new CBC_ResultPoint(0, m_topRight->GetY()); |
| m_bottomLeft = new CBC_ResultPoint(0, m_bottomRight->GetY()); |
| } else if (m_topRight == NULL) { |
| m_topRight = new CBC_ResultPoint((FX_FLOAT)m_image->GetWidth() - 1, |
| (FX_FLOAT)m_topLeft->GetY()); |
| m_bottomRight = new CBC_ResultPoint((FX_FLOAT)m_image->GetWidth() - 1, |
| (FX_FLOAT)m_bottomLeft->GetY()); |
| } |
| m_minX = (int32_t)(m_topLeft->GetX() < m_bottomLeft->GetX() |
| ? m_topLeft->GetX() |
| : m_bottomLeft->GetX()); |
| m_maxX = (int32_t)(m_topRight->GetX() > m_bottomRight->GetX() |
| ? m_topRight->GetX() |
| : m_bottomRight->GetX()); |
| m_minY = |
| (int32_t)(m_topLeft->GetY() < m_topRight->GetY() ? m_topLeft->GetY() |
| : m_topRight->GetY()); |
| m_maxY = (int32_t)(m_bottomLeft->GetY() > m_bottomRight->GetY() |
| ? m_bottomLeft->GetY() |
| : m_bottomRight->GetY()); |
| } |