public TransferActorAction(TDocument doc, TActor actor, TLayer parent)
{
this.document = doc;
this.actor = actor;
this.oldData = new ActorMatrixData();
this.newData = new ActorMatrixData();
this.oldParent = actor.parent;
this.newParent = parent;
this.oldData.position = actor.position;
this.oldData.scale = actor.scale;
this.oldData.skew = actor.skew;
this.oldData.rotation = actor.rotation;
// actor's position based on new parent
PointF pt = actor.parent.logicalToScreen(actor.position);
pt = parent.screenToLogical(pt);
// actor's rotation based on new parent
float angle = actor.rotationOnScreen();
if (parent is TActor)
{
angle -= ((TActor)parent).rotationOnScreen();
}
TUtil.normalizeDegreeAngle(angle);
// for scale
RectangleF bound = actor.bound();
PointF s = actor.logicalVectorToScreen(new PointF(bound.Width, bound.Height));
SizeF scale = new SizeF(1, 1);
Matrix m2 = new Matrix();
m2.Translate(pt.X, pt.Y);
m2.Rotate((float)(angle * 180 / Math.PI));
m2.Translate(-actor.anchor.X * actor.bound().Width, -actor.anchor.Y * actor.bound().Height);
Matrix m = parent.matrixFromScreen();
m.Multiply(m2);
if (m.IsInvertible)
{
PointF[] aPos = { s };
m.Invert();
m.TransformVectors(aPos);
s = aPos[0];
scale = new SizeF(s.X / bound.Width, s.Y / bound.Height);
}
this.newData.position = pt;
this.newData.scale = scale;
this.newData.skew = actor.skew;
this.newData.rotation = angle;
oldIndex = actor.parent.childs.IndexOf(actor);
}
public void transferLayer(TActor item, TLayer target)
{
// item's position based on new parent
PointF pt = item.parent.logicalToScreen(item.position);
pt = target.screenToLogical(pt);
// item's rotation based on new parent
float angle = item.rotationOnScreen();
if (target is TActor)
{
angle -= ((TActor)target).rotationOnScreen();
}
TUtil.normalizeDegreeAngle(angle);
// for scale
RectangleF bound = item.bound();
PointF s = item.logicalVectorToScreen(new PointF(bound.Width, bound.Height));
// new properties
item.position = pt;
item.rotation = angle;
item.scale = new Size(1, 1);
Matrix m = target.matrixFromScreen();
m.Multiply(item.matrix);
if (m.IsInvertible)
{
PointF[] aPos = { s };
m.Invert();
m.TransformVectors(aPos);
s = aPos[0];
item.scale = new SizeF(s.X / bound.Width, s.Y / bound.Height);
}
item.parent.childs.Remove(item);
target.childs.Add(item);
item.parent = target;
}