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LineAnnotation.cpp
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LineAnnotation.cpp
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/*
* This file is part of OpenModelica.
*
* Copyright (c) 1998-CurrentYear, 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 "MainWindow.h"
#include "LineAnnotation.h"
#include "Modeling/ItemDelegate.h"
#include "Modeling/Commands.h"
#include "OMS/BusDialog.h"
#include "Util/ResourceCache.h"
#include <QMessageBox>
LineAnnotation::LineAnnotation(QString annotation, GraphicsView *pGraphicsView)
: ShapeAnnotation(false, pGraphicsView, 0, 0)
{
mpOriginItem = new OriginItem(this);
mpOriginItem->setPassive();
setLineType(LineAnnotation::ShapeType);
setStartElement(0);
setStartElementName("");
setEndElement(0);
setEndElementName("");
mStartAndEndElementsSelected = false;
setCondition("");
setImmediate(true);
setReset(true);
setSynchronize(false);
setPriority(1);
mpTextAnnotation = 0;
setOldAnnotation("");
setDelay("");
setZf("");
setZfr("");
setAlpha("");
setOMSConnectionType(oms_connection_single);
setActiveState(false);
// set the default values
GraphicItem::setDefaults();
ShapeAnnotation::setDefaults();
// set users default value by reading the settings file.
ShapeAnnotation::setUserDefaults();
parseShapeAnnotation(annotation);
setShapeFlags(true);
}
LineAnnotation::LineAnnotation(ModelInstance::Line *pLine, bool inherited, GraphicsView *pGraphicsView)
: ShapeAnnotation(inherited, pGraphicsView, 0, 0)
{
mpOriginItem = new OriginItem(this);
mpOriginItem->setPassive();
mpLine = pLine;
setLineType(LineAnnotation::ShapeType);
setStartElement(0);
setStartElementName("");
setEndElement(0);
setEndElementName("");
mStartAndEndElementsSelected = false;
setCondition("");
setImmediate(true);
setReset(true);
setSynchronize(false);
setPriority(1);
mpTextAnnotation = 0;
setOldAnnotation("");
setDelay("");
setZf("");
setZfr("");
setAlpha("");
setOMSConnectionType(oms_connection_single);
setActiveState(false);
// set the default values
GraphicItem::setDefaults();
ShapeAnnotation::setDefaults();
// set users default value by reading the settings file.
ShapeAnnotation::setUserDefaults();
parseShapeAnnotation();
setShapeFlags(true);
}
LineAnnotation::LineAnnotation(ShapeAnnotation *pShapeAnnotation, Element *pParent)
: ShapeAnnotation(pShapeAnnotation, pParent)
{
mpOriginItem = 0;
updateShape(pShapeAnnotation);
setLineType(LineAnnotation::ComponentType);
setStartElement(0);
setStartElementName("");
setEndElement(0);
setEndElementName("");
mStartAndEndElementsSelected = false;
setCondition("");
setImmediate(true);
setReset(true);
setSynchronize(false);
setPriority(1);
mpTextAnnotation = 0;
setOldAnnotation("");
setDelay("");
setZf("");
setZfr("");
setAlpha("");
setOMSConnectionType(oms_connection_single);
setActiveState(false);
applyTransformation();
}
LineAnnotation::LineAnnotation(ModelInstance::Line *pLine, Element *pParent)
: ShapeAnnotation(pParent)
{
mpOriginItem = 0;
mpLine = pLine;
setLineType(LineAnnotation::ComponentType);
setStartElement(0);
setStartElementName("");
setEndElement(0);
setEndElementName("");
mStartAndEndElementsSelected = false;
setCondition("");
setImmediate(true);
setReset(true);
setSynchronize(false);
setPriority(1);
mpTextAnnotation = 0;
setOldAnnotation("");
setDelay("");
setZf("");
setZfr("");
setAlpha("");
setOMSConnectionType(oms_connection_single);
setActiveState(false);
// set the default values
GraphicItem::setDefaults();
ShapeAnnotation::setDefaults();
// set users default value by reading the settings file.
ShapeAnnotation::setUserDefaults();
parseShapeAnnotation();
applyTransformation();
}
LineAnnotation::LineAnnotation(ShapeAnnotation *pShapeAnnotation, GraphicsView *pGraphicsView)
: ShapeAnnotation(true, pGraphicsView, pShapeAnnotation, 0)
{
mpOriginItem = new OriginItem(this);
mpOriginItem->setPassive();
updateShape(pShapeAnnotation);
setShapeFlags(true);
mpGraphicsView->addItem(this);
mpGraphicsView->addItem(mpOriginItem);
}
LineAnnotation::LineAnnotation(LineAnnotation::LineType lineType, Element *pStartElement, GraphicsView *pGraphicsView)
: ShapeAnnotation(false, pGraphicsView, 0, 0)
{
mpOriginItem = 0;
mLineType = lineType;
setZValue(1000);
// set the default values
GraphicItem::setDefaults();
ShapeAnnotation::setDefaults();
// set the start component
setStartElement(pStartElement);
setStartElementName("");
setEndElement(0);
setEndElementName("");
mStartAndEndElementsSelected = false;
setCondition("");
setImmediate(true);
setReset(true);
setSynchronize(false);
setPriority(1);
setOMSConnectionType(oms_connection_single);
setActiveState(false);
if (mLineType == LineAnnotation::ConnectionType) {
setZValue(3000);
/* Use the linecolor of the first shape of the start element for the connection line.
* If there is no shape then look in the inherited shapes.
* Or use black color if no shape is found even in inheritance.
* Dymola is doing it the way explained above. The Modelica specification doesn't say anything about it.
*/
if (mpGraphicsView->getModelWidget()->getLibraryTreeItem()->getLibraryType() == LibraryTreeItem::Modelica) {
if (pStartElement->getShapesList().size() > 0) {
mLineColor = pStartElement->getShapesList().at(0)->getLineColor();
} else {
mLineColor = findLineColorForConnection(pStartElement);
}
}
mpTextAnnotation = 0;
} else if (mLineType == LineAnnotation::TransitionType) {
/* From Modelica Spec 33revision1,
* The recommended color is {175,175,175} for transition lines.
*/
mLineColor = QColor(175, 175, 175);
mSmooth = StringHandler::SmoothBezier;
QString textShape = "true, {0.0, 0.0}, 0, {95, 95, 95}, {0, 0, 0}, LinePattern.Solid, FillPattern.None, 0.25, {{-4, 4}, {-4, 10}}, \"%condition\", 10, {-1, -1, -1}, "", {TextStyle.Bold}, TextAlignment.Right";
mpTextAnnotation = new TextAnnotation(textShape, this);
}
// set the graphics view
mpGraphicsView->addItem(this);
setOldAnnotation("");
ElementInfo *pInfo = getStartElement()->getElementInfo();
if (pInfo) {
bool tlm = (pInfo->getTLMCausality() == "Bidirectional");
int dimensions = pInfo->getDimensions();
setDelay("1e-4");
if(tlm && dimensions>1) { //3D connection, use Zf and Zfr
setZf("10000");
setZfr("100");
setAlpha("0.2");
}
else if(tlm && dimensions == 1) { //1D connection, only Zf
setZf("10000");
setZfr("");
setAlpha("0.2");
}
else { //Signal connection, no TLM parameters
setZf("");
setZfr("");
setAlpha("");
}
}
}
LineAnnotation::LineAnnotation(QString annotation, Element *pStartComponent, Element *pEndComponent, GraphicsView *pGraphicsView)
: ShapeAnnotation(false, pGraphicsView, 0, 0)
{
mpOriginItem = 0;
setFlag(QGraphicsItem::ItemIsSelectable);
mLineType = LineAnnotation::ConnectionType;
setZValue(3000);
// set the default values
GraphicItem::setDefaults();
ShapeAnnotation::setDefaults();
// set the start component
setStartElement(pStartComponent);
setStartElementName("");
// set the end component
setEndElement(pEndComponent);
setEndElementName("");
mStartAndEndElementsSelected = false;
setCondition("");
setImmediate(true);
setReset(true);
setSynchronize(false);
setPriority(1);
mpTextAnnotation = 0;
setOldAnnotation("");
setDelay("");
setZf("");
setZfr("");
setAlpha("");
setOMSConnectionType(oms_connection_single);
setActiveState(false);
parseShapeAnnotation(annotation);
/* make the points relative to origin */
QVector<QPointF> points;
for (int i = 0 ; i < mPoints.size() ; i++) {
QPointF point = mOrigin + mPoints[i];
points.append(point);
}
mPoints = points;
mOrigin = QPointF(0, 0);
// set the graphics view
mpGraphicsView->addItem(this);
}
LineAnnotation::LineAnnotation(ModelInstance::Connection *pConnection, Element *pStartComponent, Element *pEndComponent, bool inherited, GraphicsView *pGraphicsView)
: ShapeAnnotation(inherited, pGraphicsView, 0, 0)
{
mpOriginItem = 0;
setFlag(QGraphicsItem::ItemIsSelectable);
mLineType = LineAnnotation::ConnectionType;
setZValue(3000);
mpLine = pConnection->getAnnotation()->getLine();
// set the default values
GraphicItem::setDefaults();
ShapeAnnotation::setDefaults();
// set the start component
setStartElement(pStartComponent);
setStartElementName(pConnection->getStartConnector()->getName());
// set the end component
setEndElement(pEndComponent);
setEndElementName(pConnection->getEndConnector()->getName());
mStartAndEndElementsSelected = false;
setCondition("");
setImmediate(true);
setReset(true);
setSynchronize(false);
setPriority(1);
mpTextAnnotation = 0;
setOldAnnotation("");
setDelay("");
setZf("");
setZfr("");
setAlpha("");
setOMSConnectionType(oms_connection_single);
setActiveState(false);
parseShapeAnnotation();
/* make the points relative to origin */
QVector<QPointF> points;
for (int i = 0 ; i < mPoints.size() ; i++) {
QPointF point = mOrigin + mPoints[i];
points.append(point);
}
mPoints = points;
mOrigin = QPointF(0, 0);
// set the graphics view
mpGraphicsView->addItem(this);
}
LineAnnotation::LineAnnotation(QString annotation, QString text, Element *pStartComponent, Element *pEndComponent, QString condition,
QString immediate, QString reset, QString synchronize, QString priority, GraphicsView *pGraphicsView)
: ShapeAnnotation(false, pGraphicsView, 0, 0)
{
mpOriginItem = 0;
setFlag(QGraphicsItem::ItemIsSelectable);
mLineType = LineAnnotation::TransitionType;
setZValue(1000);
// set the default values
GraphicItem::setDefaults();
ShapeAnnotation::setDefaults();
// set the start component
setStartElement(pStartComponent);
setStartElementName("");
// set the end component
setEndElement(pEndComponent);
setEndElementName("");
mStartAndEndElementsSelected = false;
setCondition(condition);
setImmediate(immediate.contains("true"));
setReset(reset.contains("true"));
setSynchronize(synchronize.contains("true"));
setPriority(priority.toInt());
setOldAnnotation("");
setDelay("");
setZf("");
setZfr("");
setAlpha("");
setOMSConnectionType(oms_connection_single);
setActiveState(false);
parseShapeAnnotation(annotation);
/* make the points relative to origin */
QVector<QPointF> points;
for (int i = 0 ; i < mPoints.size() ; i++) {
QPointF point = mOrigin + mPoints[i];
points.append(point);
}
mPoints = points;
mOrigin = QPointF(0, 0);
mpTextAnnotation = new TextAnnotation(text, this);
// set the graphics view
mpGraphicsView->addItem(this);
}
LineAnnotation::LineAnnotation(ModelInstance::Transition *pTransition, Element *pStartComponent, Element *pEndComponent, bool inherited, GraphicsView *pGraphicsView)
: ShapeAnnotation(inherited, pGraphicsView, 0, 0)
{
mpOriginItem = 0;
setFlag(QGraphicsItem::ItemIsSelectable);
mLineType = LineAnnotation::TransitionType;
setZValue(1000);
mpLine = pTransition->getAnnotation()->getLine();
// set the default values
GraphicItem::setDefaults();
ShapeAnnotation::setDefaults();
// set the start component
setStartElement(pStartComponent);
setStartElementName(pTransition->getStartConnector()->getName());
// set the end component
setEndElement(pEndComponent);
setEndElementName(pTransition->getEndConnector()->getName());
mStartAndEndElementsSelected = false;
setCondition(pTransition->getCondition() ? "true" : "false");
setImmediate(pTransition->getImmediate());
setReset(pTransition->getReset());
setSynchronize(pTransition->getSynchronize());
setPriority(pTransition->getPriority());
setOldAnnotation("");
setDelay("");
setZf("");
setZfr("");
setAlpha("");
setOMSConnectionType(oms_connection_single);
setActiveState(false);
parseShapeAnnotation();
/* make the points relative to origin */
QVector<QPointF> points;
for (int i = 0 ; i < mPoints.size() ; i++) {
QPointF point = mOrigin + mPoints[i];
points.append(point);
}
mPoints = points;
mOrigin = QPointF(0, 0);
if (pTransition->getAnnotation()->getText()) {
mpTextAnnotation = new TextAnnotation(pTransition->getAnnotation()->getText(), this);
} else {
mpTextAnnotation = 0;
}
// set the graphics view
mpGraphicsView->addItem(this);
}
LineAnnotation::LineAnnotation(QString annotation, Element *pComponent, GraphicsView *pGraphicsView)
: ShapeAnnotation(false, pGraphicsView, 0, 0)
{
mpOriginItem = 0;
setFlag(QGraphicsItem::ItemIsSelectable);
mLineType = LineAnnotation::InitialStateType;
setZValue(1000);
// set the default values
GraphicItem::setDefaults();
ShapeAnnotation::setDefaults();
// set the start component
setStartElement(pComponent);
setStartElementName("");
// set the end component
setEndElement(0);
setEndElementName("");
mStartAndEndElementsSelected = false;
setCondition("");
setImmediate(true);
setReset(true);
setSynchronize(false);
setPriority(1);
mpTextAnnotation = 0;
setOldAnnotation("");
setDelay("");
setZf("");
setZfr("");
setAlpha("");
setOMSConnectionType(oms_connection_single);
setActiveState(false);
parseShapeAnnotation(annotation);
/* make the points relative to origin */
QVector<QPointF> points;
for (int i = 0 ; i < mPoints.size() ; i++) {
QPointF point = mOrigin + mPoints[i];
points.append(point);
}
mPoints = points;
mOrigin = QPointF(0, 0);
// set the graphics view
mpGraphicsView->addItem(this);
}
LineAnnotation::LineAnnotation(ModelInstance::InitialState *pInitialState, Element *pComponent, bool inherited, GraphicsView *pGraphicsView)
: ShapeAnnotation(inherited, pGraphicsView, 0, 0)
{
mpOriginItem = 0;
setFlag(QGraphicsItem::ItemIsSelectable);
mLineType = LineAnnotation::InitialStateType;
setZValue(1000);
mpLine = pInitialState->getAnnotation()->getLine();
// set the default values
GraphicItem::setDefaults();
ShapeAnnotation::setDefaults();
// set the start component
setStartElement(pComponent);
setStartElementName(pInitialState->getStartConnector()->getName());
// set the end component
setEndElement(0);
setEndElementName("");
mStartAndEndElementsSelected = false;
setCondition("");
setImmediate(true);
setReset(true);
setSynchronize(false);
setPriority(1);
mpTextAnnotation = 0;
setOldAnnotation("");
setDelay("");
setZf("");
setZfr("");
setAlpha("");
setOMSConnectionType(oms_connection_single);
setActiveState(false);
parseShapeAnnotation();
/* make the points relative to origin */
QVector<QPointF> points;
for (int i = 0 ; i < mPoints.size() ; i++) {
QPointF point = mOrigin + mPoints[i];
points.append(point);
}
mPoints = points;
mOrigin = QPointF(0, 0);
// set the graphics view
mpGraphicsView->addItem(this);
}
LineAnnotation::LineAnnotation(Element *pParent)
: ShapeAnnotation(0, pParent)
{
mpOriginItem = 0;
setLineType(LineAnnotation::ComponentType);
setStartElement(0);
setStartElementName("");
setEndElement(0);
setEndElementName("");
mStartAndEndElementsSelected = false;
setCondition("");
setImmediate(true);
setReset(true);
setSynchronize(false);
setPriority(1);
mpTextAnnotation = 0;
setOldAnnotation("");
setDelay("");
setZf("");
setZfr("");
setAlpha("");
setOMSConnectionType(oms_connection_single);
setActiveState(false);
// set the default values
GraphicItem::setDefaults();
ShapeAnnotation::setDefaults();
// create a red cross
setLineColor(QColor(255, 0, 0));
// create a red cross with points
addPoint(QPointF(-100, -100));
addPoint(QPointF(100, 100));
addPoint(QPointF(-100, 100));
addPoint(QPointF(100, -100));
addPoint(QPointF(-100, -100));
addPoint(QPointF(-100, 100));
addPoint(QPointF(100, 100));
addPoint(QPointF(100, -100));
setPos(mOrigin);
setRotation(mRotation);
}
LineAnnotation::LineAnnotation(GraphicsView *pGraphicsView)
: ShapeAnnotation(true, pGraphicsView, 0, 0)
{
mpOriginItem = 0;
setLineType(LineAnnotation::ShapeType);
setStartElement(0);
setStartElementName("");
setEndElement(0);
setEndElementName("");
mStartAndEndElementsSelected = false;
setCondition("");
setImmediate(true);
setReset(true);
setSynchronize(false);
setPriority(1);
mpTextAnnotation = 0;
setOldAnnotation("");
setDelay("");
setZf("");
setZfr("");
setAlpha("");
setOMSConnectionType(oms_connection_single);
setActiveState(false);
// set the default values
GraphicItem::setDefaults();
ShapeAnnotation::setDefaults();
// set users default value by reading the settings file.
ShapeAnnotation::setUserDefaults();
// create a red cross
setLineColor(QColor(255, 0, 0));
// create a red cross with points
addPoint(QPointF(-100, -100));
addPoint(QPointF(100, 100));
addPoint(QPointF(-100, 100));
addPoint(QPointF(100, -100));
addPoint(QPointF(-100, -100));
addPoint(QPointF(-100, 100));
addPoint(QPointF(100, 100));
addPoint(QPointF(100, -100));
setShapeFlags(true);
mpGraphicsView->addItem(this);
}
void LineAnnotation::parseShapeAnnotation(QString annotation)
{
GraphicItem::parseShapeAnnotation(annotation);
// parse the shape to get the list of attributes of Line.
QStringList list = StringHandler::getStrings(annotation);
if (list.size() < 10) {
return;
}
mPoints.clear();
mPoints.parse(list.at(3));
// add geometries for points
for (int i = 0 ; i < mPoints.size() ; i++) {
addGeometry();
}
// 5th item of list contains the color.
mLineColor.parse(list.at(4));
// 6th item of list contains the Line Pattern.
mLinePattern = StringHandler::getLinePatternType(stripDynamicSelect(list.at(5)));
// 7th item of list contains the Line thickness.
mLineThickness.parse(list.at(6));
// 8th item of list contains the Line Arrows.
QStringList arrowList = StringHandler::getStrings(StringHandler::removeFirstLastCurlBrackets(stripDynamicSelect(list.at(7))));
if (arrowList.size() >= 2) {
mArrow.replace(0, StringHandler::getArrowType(arrowList.at(0)));
mArrow.replace(1, StringHandler::getArrowType(arrowList.at(1)));
}
// 9th item of list contains the Line Arrow Size.
mArrowSize.parse(list.at(8));
// 10th item of list contains the smooth.
mSmooth = StringHandler::getSmoothType(stripDynamicSelect(list.at(9)));
}
void LineAnnotation::parseShapeAnnotation()
{
GraphicItem::parseShapeAnnotation(mpLine);
mPoints = mpLine->getPoints();
// add geometries for points
for (int i = 0 ; i < mPoints.size() ; i++) {
addGeometry();
}
mPoints.evaluate(mpLine->getParentModel());
mLineColor = mpLine->getColor();
mLineColor.evaluate(mpLine->getParentModel());
mLinePattern = mpLine->getPattern();
mLinePattern.evaluate(mpLine->getParentModel());
mLineThickness = mpLine->getThickness();
mLineThickness.evaluate(mpLine->getParentModel());
mArrow = mpLine->getArrow();
mArrow.evaluate(mpLine->getParentModel());
mArrowSize = mpLine->getArrowSize();
mArrowSize.evaluate(mpLine->getParentModel());
mSmooth = mpLine->getSmooth();
mSmooth.evaluate(mpLine->getParentModel());
}
QPainterPath LineAnnotation::getShape() const
{
PointArrayAnnotation points = mPoints;
QPainterPath path;
if (points.size() > 0) {
// mPoints.size() is at least 1
path.moveTo(points.at(0));
if (mSmooth) {
if (points.size() == 2) {
// if points are only two then spline acts as simple line
path.lineTo(points.at(1));
} else {
for (int i = 2 ; i < points.size() ; i++) {
QPointF point3 = points.at(i);
// calculate middle points for bezier curves
QPointF point2 = points.at(i - 1);
QPointF point1 = points.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 == points.size() - 1) {
path.lineTo(point3);
}
}
}
} else {
for (int i = 1 ; i < points.size() ; i++) {
path.lineTo(points.at(i));
}
}
}
return path;
}
QRectF LineAnnotation::boundingRect() const
{
return shape().boundingRect();
}
QPainterPath LineAnnotation::shape() const
{
QPainterPath path = getShape();
return addPathStroker(path);
}
void LineAnnotation::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
Q_UNUSED(option);
Q_UNUSED(widget);
if (mVisible) {
if (mLineType == LineAnnotation::TransitionType && mpGraphicsView->isVisualizationView()) {
if (isActiveState()) {
painter->setOpacity(1.0);
} else {
painter->setOpacity(0.3);
}
} else if (mLineType == LineAnnotation::ConnectionType) {
if ((mpStartElement && mpStartElement->getModelComponent() && !mpStartElement->getModelComponent()->getCondition())
|| (mpEndElement && mpEndElement->getModelComponent() && !mpEndElement->getModelComponent()->getCondition())) {
painter->setOpacity(0.3);
}
}
drawAnnotation(painter);
/* issue #9557
* Redraw the connectors which collides with connection.
*/
if (mLineType == LineAnnotation::ConnectionType) {
// redraw colliding connectors
foreach (Element *pElement, mCollidingConnectorElements) {
if (pElement) {
painter->save();
pElement->reDrawConnector(painter);
painter->restore();
}
}
// draw nodes on colliding connections
foreach (LineAnnotation *pConnection, mCollidingConnections) {
if (pConnection) {
PointArrayAnnotation points = pConnection->getPoints();
if (mPoints.size() > 1 && points.size() > 1) {
const QPointF firstPoint1 = mPoints.at(0);
const QPointF lastPoint1 = mPoints.at(mPoints.size() - 1);
const QPointF firstPoint2 = points.at(0);
const QPointF lastPoint2 = points.at(points.size() - 1);
for (int i = 0; i < mPoints.size(); ++i) {
for (int j = 0; j < points.size(); ++j) {
if ((mPoints.size() > i + 1) && (points.size() > j + 1)) {
QLineF line1(mPoints.at(i), mPoints.at(i + 1));
QLineF line2(points.at(j), points.at(j + 1));
QPointF intersectionPoint;
#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
QLineF::IntersectionType type = line1.intersects(line2, &intersectionPoint);
#else // < Qt 5.14
QLineF::IntersectType type = line1.intersect(line2, &intersectionPoint);
#endif // QT_VERSION_CHECK
/* Issue #12399. Exclude first and last points.
* Do not draw the node on colliding connection when the intersectionPoint is same as first or last point of connection.
*/
if (type == QLineF::BoundedIntersection
&& intersectionPoint != firstPoint1
&& intersectionPoint != lastPoint1
&& intersectionPoint != firstPoint2
&& intersectionPoint != lastPoint2) {
painter->save();
painter->setPen(Qt::NoPen);
painter->setBrush(QBrush(mLineColor));
painter->drawEllipse(intersectionPoint, 0.75, 0.75);
painter->restore();
}
}
}
}
}
}
}
}
}
}
/*!
* \brief LineAnnotation::drawAnnotation
* Draws the line.
* \param painter
*/
void LineAnnotation::drawAnnotation(QPainter *painter)
{
applyLinePattern(painter);
QPainterPath path = getShape();
PointArrayAnnotation points = adjustPointsForDrawing();
// draw highlight for connections
if (mLineType == LineAnnotation::ConnectionType) {
qreal strokeWidth = 1.0;
QColor strokeColor = Qt::white;
if (isSelected()) {
strokeWidth = 2.0;
strokeColor = QColor(255, 255, 128);
}
if (isSelected() || mSmooth != StringHandler::SmoothBezier) {
QPainterPathStroker stroker;
stroker.setWidth(strokeWidth);
stroker.setCapStyle(Qt::SquareCap);
stroker.setJoinStyle(Qt::MiterJoin);
QPainterPath strokedPath = stroker.createStroke(path);
QPen pen(strokeColor);
pen.setCosmetic(true);
painter->save();
painter->setPen(Qt::NoPen);
painter->setBrush(QBrush(strokeColor));
painter->drawPath(strokedPath);
painter->restore();
}
}
// draw start arrow
if (points.size() > 1) {
/* If line is a initial state then we need to draw filled arrow.
* From Modelica Spec 33revision1,
* The initialState line has a filled arrow head and a bullet at the opposite end of the initial state [ as shown above ].
*/
if (mLineType == LineAnnotation::InitialStateType) {
drawArrow(painter, points.at(0), points.at(1), mArrowSize, StringHandler::ArrowFilled);
} else {
/* If line is a transition then we need to draw starting fork if needed.
* From Modelica Spec 33revision1,
* For synchronize=true, an inverse "fork" symbol is used in the beginning of the arrow [ See the rightmost transition above. ].
*/
if (mLineType == LineAnnotation::TransitionType) {
if (mSynchronize) {
painter->save();
QPolygonF polygon1 = perpendicularLine(points.at(0), points.at(1), 4.0);
QPointF midPoint = (polygon1.at(0) + polygon1.at(1)) / 2;
QPolygonF polygon2 = perpendicularLine(midPoint, points.at(0), 4.0);
QPolygonF polygon;
polygon << polygon1 << polygon2 << polygon1.at(0);
painter->drawPolygon(polygon);
painter->restore();
}
/* From Modelica Spec 33revision1,
* In addition to the line defined by the points of the Line annotation, a perpendicular line is used to represent the transition.
* This line is closer to the first point if immediate=false otherwise closer to the last point.
*/
painter->save();
QPolygonF polygon;
if (mImmediate) {
polygon = perpendicularLine(points.at(points.size() - 1), points.at(points.size() - 2), 5.0);
} else {
polygon = perpendicularLine(points.at(0), points.at(1), 5.0);
}
QPen pen = painter->pen();
pen.setWidth(2);
painter->setPen(pen);
painter->drawLine(polygon.at(0), polygon.at(1));
painter->restore();
}
drawArrow(painter, points.at(0), points.at(1), mArrowSize, mArrow.at(0));
}
}
painter->drawPath(path);
// draw end arrow
if (points.size() > 1) {
/* If line is a transition then we need to draw ending arrow in any case.
* From Modelica Spec 33revision1,
* If reset=true, a filled arrow head is used otherwise an open arrow head.
*/
if (mLineType == LineAnnotation::TransitionType) {
drawArrow(painter, points.at(points.size() - 1), points.at(points.size() - 2), mArrowSize,
mReset ? StringHandler::ArrowFilled : StringHandler::ArrowOpen);
} else if (mLineType == LineAnnotation::InitialStateType) {
/* If line is a initial state then we need to draw bullet.
* From Modelica Spec 33revision1,
* The initialState line has a filled arrow head and a bullet at the opposite end of the initial state [ as shown above ].
*/
painter->save();
painter->setBrush(QBrush(mLineColor, Qt::SolidPattern));
painter->drawEllipse(points.at(points.size() - 1), 2, 2);
painter->restore();
} else {
drawArrow(painter, points.at(points.size() - 1), points.at(points.size() - 2), mArrowSize, mArrow.at(1));
}
}
}
/*!
* \brief LineAnnotation::drawArrow
* Draws the arrow according to the arrow type.
* \param painter
* \param startPos
* \param endPos
* \param size
* \param arrowType
*/
void LineAnnotation::drawArrow(QPainter *painter, QPointF startPos, QPointF endPos, qreal size, int arrowType) const
{
double xA = size / 2;
double yA = size * sqrt(3) / 2;
double xB = -xA;
double yB = yA;
double angle = 0.0f;
if (arrowType == StringHandler::ArrowHalf) {
xB = 0;
}
if (endPos.x() - startPos.x() == 0) {
if (endPos.y() - startPos.y() >= 0) {
angle = 0;
} else {
angle = M_PI;
}
} else {
angle = -(M_PI / 2 - (atan((endPos.y() - startPos.y())/(endPos.x() - startPos.x()))));
if(startPos.x() > endPos.x()) {
angle += M_PI;
}
}
qreal m11, m12, m13, m21, m22, m23, m31, m32, m33;
m11 = cos(angle);
m22 = m11;
m21 = sin(angle);
m12 = -m21;
m13 = startPos.x();
m23 = startPos.y();
m31 = 0;
m32 = 0;
m33 = 1;
QTransform t1(m11, m12, m13, m21, m22, m23, m31, m32, m33);
QTransform t2(xA, 1, 1, yA, 1, 1, 1, 1, 1);
QTransform t3 = t1 * t2;
QPolygonF arrowPolygon;
arrowPolygon << startPos;
arrowPolygon << QPointF(t3.m11(), t3.m21());
t2.setMatrix(xB, 1, 1, yB, 1, 1, 1, 1, 1);
t3 = t1 * t2;
arrowPolygon << QPointF(t3.m11(), t3.m21());
arrowPolygon << startPos;
// draw arrow
switch (arrowType) {
case StringHandler::ArrowFilled:
painter->save();
painter->setBrush(QBrush(mLineColor, Qt::SolidPattern));
painter->drawPolygon(arrowPolygon);
painter->restore();
break;
case StringHandler::ArrowOpen:
if (arrowPolygon.size() > 2) {
painter->drawLine(arrowPolygon.at(0), arrowPolygon.at(1));
painter->drawLine(arrowPolygon.at(0), arrowPolygon.at(2));
}
break;
case StringHandler::ArrowHalf:
if (arrowPolygon.size() > 1) {
painter->drawLine(arrowPolygon.at(0), arrowPolygon.at(1));
}
break;
case StringHandler::ArrowNone:
default:
break;
}
}
/*!
* \brief LineAnnotation::perpendicularLine
* Returns a polygon which represents a prependicular line.
* \param painter
* \param startPos
* \param endPos
* \param size
*/
QPolygonF LineAnnotation::perpendicularLine(QPointF startPos, QPointF endPos, qreal size) const
{
double xA = size / 2;
double yA = size * sqrt(3) / 2;
double xB = -xA;
double yB = yA;
double angle = 0.0f;
if (endPos.x() - startPos.x() == 0) {
if (endPos.y() - startPos.y() >= 0) {
angle = 0;
} else {
angle = M_PI;
}
} else {
angle = -(M_PI / 2 - (atan((endPos.y() - startPos.y())/(endPos.x() - startPos.x()))));
if(startPos.x() > endPos.x()) {
angle += M_PI;
}
}
qreal m11, m12, m13, m21, m22, m23, m31, m32, m33;
m11 = cos(angle);
m22 = m11;
m21 = sin(angle);
m12 = -m21;