void RGraphicsSceneQt::exportRay(const RRay& ray) {
bool created = beginPath();
Q_ASSERT(currentPainterPath.isValid());
// find largest view box over all attached views:
RBox box;
QList<RGraphicsView*>::iterator it;
for (it=views.begin(); it!=views.end(); it++) {
RBox b = (*it)->getBox();
box.growToIncludeBox(b);
}
// trim line to view box:
RLine clippedLine = ray.getClippedLine(box);
double offs = clippedLine.getStartPoint().getDistanceTo(ray.getBasePoint());
if (RMath::isSameDirection(ray.getBasePoint().getAngleTo(clippedLine.getStartPoint()), ray.getDirection1())) {
offs *= -1;
}
exportLine(clippedLine, offs);
currentPainterPath.setAlwaysRegen(true);
if (created) {
endPath();
}
}
QScriptValue
REcmaSharedPointerRay::getClippedLine
(QScriptContext* context, QScriptEngine* engine)
{
//REcmaHelper::functionStart("REcmaSharedPointerRay::getClippedLine", context, engine);
//qDebug() << "ECMAScript WRAPPER: REcmaSharedPointerRay::getClippedLine";
//QCoreApplication::processEvents();
QScriptValue result = engine->undefinedValue();
// public function: can be called from ECMA wrapper of ECMA shell:
RRay* self =
getSelf("getClippedLine", context);
//Q_ASSERT(self!=NULL);
if (self==NULL) {
return REcmaHelper::throwError("self is NULL", context);
}
if( context->argumentCount() ==
1 && (
context->argument(0).isVariant() ||
context->argument(0).isQObject() ||
context->argument(0).isNull()
) /* type: RBox */
){
// prepare arguments:
// argument isCopyable and has default constructor and isSimpleClass
RBox*
ap0 =
qscriptvalue_cast<
RBox*
>(
context->argument(
0
)
);
if (ap0 == NULL) {
return REcmaHelper::throwError("RRay: Argument 0 is not of type RBox.",
context);
}
RBox
a0 =
*ap0;
// end of arguments
// call C++ function:
// return type 'RLine'
RLine cppResult =
self->getClippedLine(a0);
// return type: RLine
// not standard type nor reference
result = qScriptValueFromValue(engine, cppResult);
} else
{
return REcmaHelper::throwError("Wrong number/types of arguments for RRay.getClippedLine().",
context);
}
//REcmaHelper::functionEnd("REcmaSharedPointerRay::getClippedLine", context, engine);
return result;
}
