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PolygonAnnotation.cpp
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PolygonAnnotation.cpp
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/*
* This file is part of OpenModelica.
*
* Copyright (c) 1998-2014, Open Source Modelica Consortium (OSMC),
* c/o Linköpings universitet, Department of Computer and Information Science,
* SE-58183 Linköping, Sweden.
*
* All rights reserved.
*
* THIS PROGRAM IS PROVIDED UNDER THE TERMS OF GPL VERSION 3 LICENSE OR
* THIS OSMC PUBLIC LICENSE (OSMC-PL) VERSION 1.2.
* ANY USE, REPRODUCTION OR DISTRIBUTION OF THIS PROGRAM CONSTITUTES
* RECIPIENT'S ACCEPTANCE OF THE OSMC PUBLIC LICENSE OR THE GPL VERSION 3,
* ACCORDING TO RECIPIENTS CHOICE.
*
* The OpenModelica software and the Open Source Modelica
* Consortium (OSMC) Public License (OSMC-PL) are obtained
* from OSMC, either from the above address,
* from the URLs: http://www.ida.liu.se/projects/OpenModelica or
* http://www.openmodelica.org, and in the OpenModelica distribution.
* GNU version 3 is obtained from: http://www.gnu.org/copyleft/gpl.html.
*
* This program is distributed WITHOUT ANY WARRANTY; without
* even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE, EXCEPT AS EXPRESSLY SET FORTH
* IN THE BY RECIPIENT SELECTED SUBSIDIARY LICENSE CONDITIONS OF OSMC-PL.
*
* See the full OSMC Public License conditions for more details.
*
*/
/*
* @author Adeel Asghar <adeel.asghar@liu.se>
*/
#include "PolygonAnnotation.h"
#include "Commands.h"
PolygonAnnotation::PolygonAnnotation(QString annotation, GraphicsView *pGraphicsView)
: ShapeAnnotation(false, pGraphicsView, 0)
{
// set the default values
GraphicItem::setDefaults();
FilledShape::setDefaults();
ShapeAnnotation::setDefaults();
// set users default value by reading the settings file.
ShapeAnnotation::setUserDefaults();
parseShapeAnnotation(annotation);
setShapeFlags(true);
}
PolygonAnnotation::PolygonAnnotation(ShapeAnnotation *pShapeAnnotation, Component *pParent)
: ShapeAnnotation(pParent)
{
updateShape(pShapeAnnotation);
initUpdateVisible(); // DynamicSelect for visible attribute
setPos(mOrigin);
setRotation(mRotation);
connect(pShapeAnnotation, SIGNAL(updateReferenceShapes()), pShapeAnnotation, SIGNAL(changed()));
connect(pShapeAnnotation, SIGNAL(added()), this, SLOT(referenceShapeAdded()));
connect(pShapeAnnotation, SIGNAL(changed()), this, SLOT(referenceShapeChanged()));
connect(pShapeAnnotation, SIGNAL(deleted()), this, SLOT(referenceShapeDeleted()));
}
PolygonAnnotation::PolygonAnnotation(ShapeAnnotation *pShapeAnnotation, GraphicsView *pGraphicsView)
: ShapeAnnotation(true, pGraphicsView, 0)
{
updateShape(pShapeAnnotation);
setShapeFlags(true);
mpGraphicsView->addItem(this);
connect(pShapeAnnotation, SIGNAL(updateReferenceShapes()), pShapeAnnotation, SIGNAL(changed()));
connect(pShapeAnnotation, SIGNAL(added()), this, SLOT(referenceShapeAdded()));
connect(pShapeAnnotation, SIGNAL(changed()), this, SLOT(referenceShapeChanged()));
connect(pShapeAnnotation, SIGNAL(deleted()), this, SLOT(referenceShapeDeleted()));
}
void PolygonAnnotation::parseShapeAnnotation(QString annotation)
{
GraphicItem::parseShapeAnnotation(annotation);
FilledShape::parseShapeAnnotation(annotation);
// parse the shape to get the list of attributes of Polygon.
QStringList list = StringHandler::getStrings(annotation);
if (list.size() < 10) {
return;
}
mPoints.clear();
// 9th item of list contains the points.
QStringList pointsList = StringHandler::getStrings(StringHandler::removeFirstLastCurlBrackets(list.at(8)));
foreach (QString point, pointsList) {
QStringList polygonPoints = StringHandler::getStrings(StringHandler::removeFirstLastCurlBrackets(point));
if (polygonPoints.size() >= 2) {
mPoints.append(QPointF(polygonPoints.at(0).toFloat(), polygonPoints.at(1).toFloat()));
}
}
/* The polygon is automatically closed, if the first and the last points are not identical. */
if (mPoints.size() == 1) {
mPoints.append(mPoints.first());
mPoints.append(mPoints.first());
} else if (mPoints.size() == 2) {
mPoints.append(mPoints.first());
}
if (mPoints.size() > 0) {
if (mPoints.first() != mPoints.last()) {
mPoints.append(mPoints.first());
}
}
// 10th item of the list is smooth.
mSmooth = StringHandler::getSmoothType(list.at(9));
}
QPainterPath PolygonAnnotation::getShape() const
{
QPainterPath path;
if (mPoints.size() > 0) {
if (mSmooth) {
path.moveTo(mPoints.at(0));
if (mPoints.size() == 2) {
path.lineTo(mPoints.at(1));
} else {
for (int i = 2 ; i < mPoints.size() ; i++) {
QPointF point3 = mPoints.at(i);
// if points are only two then spline acts as simple line
// calculate middle points for bezier curves
QPointF point2 = mPoints.at(i - 1);
QPointF point1 = mPoints.at(i - 2);
QPointF point12((point1.x() + point2.x())/2, (point1.y() + point2.y())/2);
QPointF point23((point2.x() + point3.x())/2, (point2.y() + point3.y())/2);
path.lineTo(point12);
path.cubicTo(point12, point2, point23);
// if its the last point
if (i == mPoints.size() - 1) {
path.lineTo(point3);
}
}
}
} else {
path.addPolygon(QPolygonF(mPoints.toVector()));
}
}
return path;
}
QRectF PolygonAnnotation::boundingRect() const
{
return shape().boundingRect();
}
QPainterPath PolygonAnnotation::shape() const
{
QPainterPath path = getShape();
if (mFillPattern == StringHandler::FillNone) {
return addPathStroker(path);
} else {
return path;
}
}
void PolygonAnnotation::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
Q_UNUSED(option);
Q_UNUSED(widget);
if (mVisible || !mDynamicVisible.isEmpty()) {
drawPolygonAnnotaion(painter);
}
}
void PolygonAnnotation::drawPolygonAnnotaion(QPainter *painter)
{
applyLinePattern(painter);
applyFillPattern(painter);
painter->drawPath(getShape());
}
/*!
* \brief PolygonAnnotation::getOMCShapeAnnotation
* Returns Polygon annotation in format as returned by OMC.
* \return
*/
QString PolygonAnnotation::getOMCShapeAnnotation()
{
QStringList annotationString;
annotationString.append(GraphicItem::getOMCShapeAnnotation());
annotationString.append(FilledShape::getOMCShapeAnnotation());
// get points
QString pointsString;
if (mPoints.size() > 0) {
pointsString.append("{");
}
for (int i = 0 ; i < mPoints.size() ; i++) {
pointsString.append("{").append(QString::number(mPoints[i].x())).append(",");
pointsString.append(QString::number(mPoints[i].y())).append("}");
if (i < mPoints.size() - 1) {
pointsString.append(",");
}
}
if (mPoints.size() > 0) {
pointsString.append("}");
annotationString.append(pointsString);
}
// get the smooth
annotationString.append(StringHandler::getSmoothString(mSmooth));
return annotationString.join(",");
}
/*!
* \brief PolygonAnnotation::getShapeAnnotation
* Returns Polygon annotation.
* \return
*/
QString PolygonAnnotation::getShapeAnnotation()
{
QStringList annotationString;
annotationString.append(GraphicItem::getShapeAnnotation());
annotationString.append(FilledShape::getShapeAnnotation());
// get points
QString pointsString;
if (mPoints.size() > 0) {
pointsString.append("points={");
}
for (int i = 0 ; i < mPoints.size() ; i++) {
pointsString.append("{").append(QString::number(mPoints[i].x())).append(",");
pointsString.append(QString::number(mPoints[i].y())).append("}");
if (i < mPoints.size() - 1) {
pointsString.append(",");
}
}
if (mPoints.size() > 0) {
pointsString.append("}");
annotationString.append(pointsString);
}
// get the smooth
if (mSmooth != StringHandler::SmoothNone) {
annotationString.append(QString("smooth=").append(StringHandler::getSmoothString(mSmooth)));
}
return QString("Polygon(").append(annotationString.join(",")).append(")");
}
void PolygonAnnotation::addPoint(QPointF point)
{
mPoints.append(point);
mPoints.back() = mPoints.first();
}
void PolygonAnnotation::removePoint(int index)
{
if (mPoints.size() > index) {
mPoints.removeAt(index);
}
}
void PolygonAnnotation::clearPoints()
{
mPoints.clear();
}
void PolygonAnnotation::updateEndPoint(QPointF point)
{
// we update the second last point for polygon since the last point is connected to first one
mPoints.replace(mPoints.size() - 2, point);
}
void PolygonAnnotation::updateShape(ShapeAnnotation *pShapeAnnotation)
{
// set the default values
GraphicItem::setDefaults(pShapeAnnotation);
FilledShape::setDefaults(pShapeAnnotation);
mPoints.clear();
setPoints(pShapeAnnotation->getPoints());
ShapeAnnotation::setDefaults(pShapeAnnotation);
}
/*!
* \brief PolygonAnnotation::duplicate
* Duplicates the shape.
*/
void PolygonAnnotation::duplicate()
{
PolygonAnnotation *pPolygonAnnotation = new PolygonAnnotation("", mpGraphicsView);
pPolygonAnnotation->updateShape(this);
QPointF gridStep(mpGraphicsView->mCoOrdinateSystem.getHorizontalGridStep() * 5,
mpGraphicsView->mCoOrdinateSystem.getVerticalGridStep() * 5);
pPolygonAnnotation->setOrigin(mOrigin + gridStep);
pPolygonAnnotation->initializeTransformation();
pPolygonAnnotation->drawCornerItems();
pPolygonAnnotation->setCornerItemsActiveOrPassive();
pPolygonAnnotation->update();
mpGraphicsView->getModelWidget()->getUndoStack()->push(new AddShapeCommand(pPolygonAnnotation));
mpGraphicsView->getModelWidget()->getLibraryTreeItem()->emitShapeAdded(pPolygonAnnotation, mpGraphicsView);
setSelected(false);
pPolygonAnnotation->setSelected(true);
}