private static void MovePointHandle(GenericPosture posture, CalibrationHelper calibrationHelper, int handle, PointF point, Keys modifiers)
{
// Constraints. (position of the point managed by this handle).
GenericPostureAbstractConstraint constraint = posture.Handles[handle].Constraint;
PointF old = posture.PointList[posture.Handles[handle].Reference];
PrepareImpacts(posture, handle);
if (constraint == null ||
(!string.IsNullOrEmpty(constraint.OptionGroup) && !posture.OptionGroups[constraint.OptionGroup]))
{
MovePointHandleFreely(posture, handle, point);
}
else
{
switch (constraint.Type)
{
case ConstraintType.None:
MovePointHandleFreely(posture, handle, point);
break;
case ConstraintType.LineSlide:
MovePointHandleAlongLine(posture, handle, point, constraint as GenericPostureConstraintLineSlide);
break;
case ConstraintType.VerticalSlide:
MovePointHandleAlongVertical(posture, calibrationHelper, handle, point);
break;
case ConstraintType.HorizontalSlide:
MovePointHandleAlongHorizontal(posture, handle, point);
break;
case ConstraintType.DistanceToPoint:
MovePointHandleAtDistance(posture, handle, point, constraint as GenericPostureConstraintDistanceToPoint, modifiers);
break;
case ConstraintType.RotationSteps:
MovePointHandleByRotationSteps(posture, calibrationHelper, handle, point, constraint as GenericPostureConstraintRotationSteps);
break;
case ConstraintType.PerpendicularSlide:
MovePointHandleAlongPerpendicular(posture, calibrationHelper, handle, point, constraint as GenericPostureConstraintPerpendicularSlide);
break;
case ConstraintType.ParallelSlide:
MovePointHandleAlongParallel(posture, calibrationHelper, handle, point, constraint as GenericPostureConstraintParallelSlide);
break;
case ConstraintType.LockedInPlace:
break;
}
}
ProcessPointImpacts(posture, calibrationHelper, handle, old);
}
private static void MoveCircleHandle(GenericPosture posture, int handle, PointF point)
{
// Constraints. (position of the point managed by this handle).
GenericPostureAbstractConstraint constraint = posture.Handles[handle].Constraint;
if (!IsActive(constraint, posture))
{
MoveCircleHandleFreely(posture, handle, point);
}
else
{
switch (constraint.Type)
{
case ConstraintType.None:
MoveCircleHandleFreely(posture, handle, point);
break;
}
}
}
private static bool IsActive(GenericPostureAbstractConstraint constraint, GenericPosture posture)
{
if (constraint == null)
{
return(false);
}
string value = constraint.OptionGroup;
if (string.IsNullOrEmpty(value))
{
return(true);
}
string[] keys = value.Split(new char[] { '|' });
// We only implement the "AND" logic at the moment:
// in case of multiple options on the object, they all need to be active for the object to be active.
bool active = true;
foreach (string key in keys)
{
if (!posture.Options.ContainsKey(key))
{
continue;
}
if (!posture.Options[key].Value)
{
active = false;
break;
}
}
return(active);
}
private static void MoveSegmentHandle(GenericPosture posture, CalibrationHelper calibrationHelper, int handle, PointF point)
{
int start = posture.Segments[posture.Handles[handle].Reference].Start;
int end = posture.Segments[posture.Handles[handle].Reference].End;
PointF oldStart = posture.PointList[start];
PointF oldEnd = posture.PointList[end];
// Constraints. (position of the point managed by this handle).
GenericPostureAbstractConstraint constraint = posture.Handles[handle].Constraint;
if (!IsActive(constraint, posture))
{
MoveSegmentHandleFreely(posture, handle, point);
}
else
{
switch (constraint.Type)
{
case ConstraintType.None:
MoveSegmentHandleFreely(posture, handle, point);
break;
case ConstraintType.HorizontalSlide:
MoveSegmentHandleAlongHorizontal(posture, handle, point);
break;
case ConstraintType.VerticalSlide:
MoveSegmentHandleAlongVertical(posture, handle, point);
break;
case ConstraintType.LockedInPlace:
break;
}
}
// Impacts. (positions of other points).
foreach (GenericPostureAbstractImpact impact in posture.Handles[handle].Impacts)
{
switch (impact.Type)
{
case ImpactType.HorizontalSymmetry:
MoveSegmentSymmetrically(posture, impact as GenericPostureImpactHorizontalSymmetry);
break;
}
}
// Check if segments start and end points are handles, and apply impacts.
foreach (GenericPostureHandle h in posture.Handles)
{
if (h.Type != HandleType.Point)
{
continue;
}
int handleReference = h.Reference;
if (handleReference == start)
{
PrepareImpacts(posture, handleReference);
ProcessPointImpacts(posture, calibrationHelper, handleReference, oldStart);
}
else if (h.Reference == end)
{
PrepareImpacts(posture, handleReference);
ProcessPointImpacts(posture, calibrationHelper, handleReference, oldEnd);
}
}
}