void CircleObject::updateRubber(QPainter* painter)
{
int rubberMode = objectRubberMode();
if(rubberMode == OBJ_RUBBER_CIRCLE_1P_RAD)
{
QPointF sceneCenterPoint = objectRubberPoint("CIRCLE_CENTER");
QPointF sceneQSnapPoint = objectRubberPoint("CIRCLE_RADIUS");
QPointF itemCenterPoint = mapFromScene(sceneCenterPoint);
QPointF itemQSnapPoint = mapFromScene(sceneQSnapPoint);
QLineF itemLine(itemCenterPoint, itemQSnapPoint);
setObjectCenter(sceneCenterPoint);
QLineF sceneLine(sceneCenterPoint, sceneQSnapPoint);
qreal radius = sceneLine.length();
setObjectRadius(radius);
if(painter) painter->drawLine(itemLine);
updatePath();
}
else if(rubberMode == OBJ_RUBBER_CIRCLE_1P_DIA)
{
QPointF sceneCenterPoint = objectRubberPoint("CIRCLE_CENTER");
QPointF sceneQSnapPoint = objectRubberPoint("CIRCLE_DIAMETER");
QPointF itemCenterPoint = mapFromScene(sceneCenterPoint);
QPointF itemQSnapPoint = mapFromScene(sceneQSnapPoint);
QLineF itemLine(itemCenterPoint, itemQSnapPoint);
setObjectCenter(sceneCenterPoint);
QLineF sceneLine(sceneCenterPoint, sceneQSnapPoint);
qreal diameter = sceneLine.length();
setObjectDiameter(diameter);
if(painter) painter->drawLine(itemLine);
updatePath();
}
else if(rubberMode == OBJ_RUBBER_CIRCLE_2P)
{
QPointF sceneTan1Point = objectRubberPoint("CIRCLE_TAN1");
QPointF sceneQSnapPoint = objectRubberPoint("CIRCLE_TAN2");
QLineF sceneLine(sceneTan1Point, sceneQSnapPoint);
setObjectCenter(sceneLine.pointAt(0.5));
qreal diameter = sceneLine.length();
setObjectDiameter(diameter);
updatePath();
}
else if(rubberMode == OBJ_RUBBER_CIRCLE_3P)
{
QPointF sceneTan1Point = objectRubberPoint("CIRCLE_TAN1");
QPointF sceneTan2Point = objectRubberPoint("CIRCLE_TAN2");
QPointF sceneTan3Point = objectRubberPoint("CIRCLE_TAN3");
double sceneCenterX;
double sceneCenterY;
getArcCenter(sceneTan1Point.x(), sceneTan1Point.y(),
sceneTan2Point.x(), sceneTan2Point.y(),
sceneTan3Point.x(), sceneTan3Point.y(),
&sceneCenterX, &sceneCenterY);
QPointF sceneCenterPoint(sceneCenterX, sceneCenterY);
QLineF sceneLine(sceneCenterPoint, sceneTan3Point);
setObjectCenter(sceneCenterPoint);
qreal radius = sceneLine.length();
setObjectRadius(radius);
updatePath();
}
}
void CircleObject::updateRubber(QPainter* painter)
{
int rubberMode = objectRubberMode();
if(rubberMode == OBJ_RUBBER_CIRCLE_1P_RAD)
{
QPointF sceneCenterPoint = objectRubberPoint("CIRCLE_CENTER");
QPointF sceneQSnapPoint = objectRubberPoint("CIRCLE_RADIUS");
QPointF itemCenterPoint = mapFromScene(sceneCenterPoint);
QPointF itemQSnapPoint = mapFromScene(sceneQSnapPoint);
QLineF itemLine(itemCenterPoint, itemQSnapPoint);
setObjectCenter(sceneCenterPoint);
QLineF sceneLine(sceneCenterPoint, sceneQSnapPoint);
qreal radius = sceneLine.length();
setObjectRadius(radius);
if(painter) drawRubberLine(itemLine, painter, VIEW_COLOR_CROSSHAIR);
updatePath();
}
else if(rubberMode == OBJ_RUBBER_CIRCLE_1P_DIA)
{
QPointF sceneCenterPoint = objectRubberPoint("CIRCLE_CENTER");
QPointF sceneQSnapPoint = objectRubberPoint("CIRCLE_DIAMETER");
QPointF itemCenterPoint = mapFromScene(sceneCenterPoint);
QPointF itemQSnapPoint = mapFromScene(sceneQSnapPoint);
QLineF itemLine(itemCenterPoint, itemQSnapPoint);
setObjectCenter(sceneCenterPoint);
QLineF sceneLine(sceneCenterPoint, sceneQSnapPoint);
qreal diameter = sceneLine.length();
setObjectDiameter(diameter);
if(painter) drawRubberLine(itemLine, painter, VIEW_COLOR_CROSSHAIR);
updatePath();
}
else if(rubberMode == OBJ_RUBBER_CIRCLE_2P)
{
QPointF sceneTan1Point = objectRubberPoint("CIRCLE_TAN1");
QPointF sceneQSnapPoint = objectRubberPoint("CIRCLE_TAN2");
QLineF sceneLine(sceneTan1Point, sceneQSnapPoint);
setObjectCenter(sceneLine.pointAt(0.5));
qreal diameter = sceneLine.length();
setObjectDiameter(diameter);
updatePath();
}
else if(rubberMode == OBJ_RUBBER_CIRCLE_3P)
{
QPointF sceneTan1Point = objectRubberPoint("CIRCLE_TAN1");
QPointF sceneTan2Point = objectRubberPoint("CIRCLE_TAN2");
QPointF sceneTan3Point = objectRubberPoint("CIRCLE_TAN3");
double sceneCenterX;
double sceneCenterY;
getArcCenter(sceneTan1Point.x(), sceneTan1Point.y(),
sceneTan2Point.x(), sceneTan2Point.y(),
sceneTan3Point.x(), sceneTan3Point.y(),
&sceneCenterX, &sceneCenterY);
QPointF sceneCenterPoint(sceneCenterX, sceneCenterY);
QLineF sceneLine(sceneCenterPoint, sceneTan3Point);
setObjectCenter(sceneCenterPoint);
qreal radius = sceneLine.length();
setObjectRadius(radius);
updatePath();
}
else if(rubberMode == OBJ_RUBBER_GRIP)
{
if(painter)
{
QPointF gripPoint = objectRubberPoint("GRIP_POINT");
if(gripPoint == objectCenter())
{
painter->drawEllipse(rect().translated(mapFromScene(objectRubberPoint(QString()))-mapFromScene(gripPoint)));
}
else
{
qreal gripRadius = QLineF(objectCenter(), objectRubberPoint(QString())).length();
painter->drawEllipse(QPointF(), gripRadius, gripRadius);
}
QLineF rubLine(mapFromScene(gripPoint), mapFromScene(objectRubberPoint(QString())));
drawRubberLine(rubLine, painter, VIEW_COLOR_CROSSHAIR);
}
}
}
