omrobjectptr_t
GC_ObjectModel::initializeAllocation(MM_EnvironmentBase *env, void *allocatedBytes, MM_AllocateInitialization *allocateInitialization)
{
Assert_MM_true(OMR_EXAMPLE_ALLOCATION_CATEGORY == allocateInitialization->getAllocationCategory());
omrobjectptr_t objectPtr = (omrobjectptr_t)allocatedBytes;
if (NULL != objectPtr) {
setObjectSize(objectPtr, allocateInitialization->getAllocateDescription()->getBytesRequested(), false);
}
return objectPtr;
}
void EllipseObject::init(qreal centerX, qreal centerY, qreal width, qreal height, QRgb rgb, Qt::PenStyle lineType)
{
setData(OBJ_TYPE, type());
setData(OBJ_NAME, OBJ_NAME_ELLIPSE);
//WARNING: DO NOT enable QGraphicsItem::ItemIsMovable. If it is enabled,
//WARNING: and the item is double clicked, the scene will erratically move the item while zooming.
//WARNING: All movement has to be handled explicitly by us, not by the scene.
setFlag(QGraphicsItem::ItemIsSelectable, true);
setObjectSize(width, height);
setObjectCenter(centerX, centerY);
setObjectColor(rgb);
setObjectLineType(lineType);
setObjectLineWeight(0.35); //TODO: pass in proper lineweight
setPen(objectPen());
updatePath();
}
void ObjectEditorWidget::onObjectDataChanged(const QVariantMap & data)
{
int w=-1, h=-1;
mXSpin->blockSignals(true);
mYSpin->blockSignals(true);
if (data.contains("x") && data.value("x").canConvert(QVariant::Int))
mXSpin->setValue(data.value("x").toInt());
if (data.contains("y") && data.value("y").canConvert(QVariant::Int))
mYSpin->setValue(data.value("y").toInt());
if (data.contains("width") && data.value("width").canConvert(QVariant::String))
w = data.value("width").toInt();
if (data.contains("height") && data.value("height").canConvert(QVariant::String))
h = data.value("height").toInt();
setObjectSize(w, h);
mXSpin->blockSignals(false);
mYSpin->blockSignals(false);
}
void EllipseObject::updateRubber(QPainter* painter)
{
int rubberMode = objectRubberMode();
if(rubberMode == OBJ_RUBBER_ELLIPSE_LINE)
{
QPointF sceneLinePoint1 = objectRubberPoint("ELLIPSE_LINE_POINT1");
QPointF sceneLinePoint2 = objectRubberPoint("ELLIPSE_LINE_POINT2");
QPointF itemLinePoint1 = mapFromScene(sceneLinePoint1);
QPointF itemLinePoint2 = mapFromScene(sceneLinePoint2);
QLineF itemLine(itemLinePoint1, itemLinePoint2);
if(painter) painter->drawLine(itemLine);
updatePath();
}
else if(rubberMode == OBJ_RUBBER_ELLIPSE_MAJORDIAMETER_MINORRADIUS)
{
QPointF sceneAxis1Point1 = objectRubberPoint("ELLIPSE_AXIS1_POINT1");
QPointF sceneAxis1Point2 = objectRubberPoint("ELLIPSE_AXIS1_POINT2");
QPointF sceneCenterPoint = objectRubberPoint("ELLIPSE_CENTER");
QPointF sceneAxis2Point2 = objectRubberPoint("ELLIPSE_AXIS2_POINT2");
qreal ellipseWidth = objectRubberPoint("ELLIPSE_WIDTH").x();
qreal ellipseRot = objectRubberPoint("ELLIPSE_ROT").x();
//TODO: incorporate perpendicularDistance() into libcgeometry
qreal px = sceneAxis2Point2.x();
qreal py = sceneAxis2Point2.y();
qreal x1 = sceneAxis1Point1.x();
qreal y1 = sceneAxis1Point1.y();
QLineF line(sceneAxis1Point1, sceneAxis1Point2);
QLineF norm = line.normalVector();
qreal dx = px-x1;
qreal dy = py-y1;
norm.translate(dx, dy);
QPointF iPoint;
norm.intersect(line, &iPoint);
qreal ellipseHeight = QLineF(px, py, iPoint.x(), iPoint.y()).length()*2.0;
setObjectCenter(sceneCenterPoint);
setObjectSize(ellipseWidth, ellipseHeight);
setRotation(-ellipseRot);
QPointF itemCenterPoint = mapFromScene(sceneCenterPoint);
QPointF itemAxis2Point2 = mapFromScene(sceneAxis2Point2);
QLineF itemLine(itemCenterPoint, itemAxis2Point2);
if(painter) painter->drawLine(itemLine);
updatePath();
}
else if(rubberMode == OBJ_RUBBER_ELLIPSE_MAJORRADIUS_MINORRADIUS)
{
QPointF sceneAxis1Point2 = objectRubberPoint("ELLIPSE_AXIS1_POINT2");
QPointF sceneCenterPoint = objectRubberPoint("ELLIPSE_CENTER");
QPointF sceneAxis2Point2 = objectRubberPoint("ELLIPSE_AXIS2_POINT2");
qreal ellipseWidth = objectRubberPoint("ELLIPSE_WIDTH").x();
qreal ellipseRot = objectRubberPoint("ELLIPSE_ROT").x();
//TODO: incorporate perpendicularDistance() into libcgeometry
qreal px = sceneAxis2Point2.x();
qreal py = sceneAxis2Point2.y();
qreal x1 = sceneCenterPoint.x();
qreal y1 = sceneCenterPoint.y();
QLineF line(sceneCenterPoint, sceneAxis1Point2);
QLineF norm = line.normalVector();
qreal dx = px-x1;
qreal dy = py-y1;
norm.translate(dx, dy);
QPointF iPoint;
norm.intersect(line, &iPoint);
qreal ellipseHeight = QLineF(px, py, iPoint.x(), iPoint.y()).length()*2.0;
setObjectCenter(sceneCenterPoint);
setObjectSize(ellipseWidth, ellipseHeight);
setRotation(-ellipseRot);
QPointF itemCenterPoint = mapFromScene(sceneCenterPoint);
QPointF itemAxis2Point2 = mapFromScene(sceneAxis2Point2);
QLineF itemLine(itemCenterPoint, itemAxis2Point2);
if(painter) painter->drawLine(itemLine);
updatePath();
}
}
