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// 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() {
if (m_topLeft) {
delete m_topLeft;
}
if (m_bottomLeft) {
delete m_bottomLeft;
}
if (m_topRight) {
delete m_topRight;
}
if (m_bottomRight) {
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());
}
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