public void OrRectRegion(Rectangle newRectangle)
{
//1) Prüfe auf Kollisionen mit bisherigen Rectangles
for (int c = In.Count() - 1; c >= 0; c--)
{
if (Rectangle.subset(In[c], newRectangle))
{
In.RemoveAt(c);
}
}
this.CutOrIn(In, newRectangle, true);
this.region.RegionRect(In);
}
//returns \cup_{rectangle in list}(rectanlge \cap intersect)
public static ListOperations regionListIntersect(ListOperations rectList, Rectangle intersect)
{
ListOperations result = new ListOperations();
foreach (Rectangle item in rectList)
{
result.Add(Rectangle.intersection(item, intersect));
if (result[result.Count() - 1].getInvalid())
{
result.RemoveAt(result.Count() - 1);
}
}
return(result);
}
//See how index can be simplified with other rectangles
public ListOperations simplifyByY(ListOperations List, int index)
{
for (int i = List.Count() - 1; i >= 0; i--)
{
if (i != index) //Wir können nicht ein Rectangle mit sich selber zusammenfassen
{
if ((List[i].getCoord()[2] == List[index].getCoord()[2]) && (List[i].getCoord()[3] == List[index].getCoord()[3]))
{
if ((Math.Abs(List[i].getCoord()[0] - List[index].getCoord()[1]) == 1) || (Math.Abs(List[i].getCoord()[1] - List[index].getCoord()[0]) == 1))
{
int minY = List[i].getCoord()[2];
int maxY = List[i].getCoord()[3];
int minXList = List[i].getCoord()[0];
int minXIndex = List[index].getCoord()[0];
int minX = Math.Min(minXList, minXIndex);
int maxXList = List[i].getCoord()[1];
int maxXIndex = List[index].getCoord()[1];
int maxX = Math.Max(maxXList, maxXIndex);
Rectangle simplified = new Rectangle(minX, maxX, minY, maxY);
if (i > index)
{
List.RemoveAt(i);
List.RemoveAt(index);
}
else
{
List.RemoveAt(index);
List.RemoveAt(i);
}
List.Insert(Math.Max(0, List.Count()), simplified);
index = Math.Max(0, List.Count() - 1);
}
}
}
}
return(List);
}
public static bool boolListIntersect(ListOperations list, Rectangle intersect)
{
for (int c = list.Count() - 1; c >= 0; c--)
{
if (!(Rectangle.intersection(list[c], intersect).getInvalid()))
{
return(true);
}
}
return(false);
}
private ListOperations addNotInIntersect(ListOperations intersect, Rectangle newRectangle)
{
ListOperations result = new ListOperations();
bool added = false;
// Step 1) Add In. All rectangles inside In are disjoint.
foreach (Rectangle item in this.In)
{
added = false;
for (int c = intersect.Count() - 1; c >= 0; c--)
{
//letztes Argument ist das XOR=true (die vereinigungsart);
if (!Rectangle.intersection(intersect[c], item).getInvalid() && !added)
{
result.AddRange(Rectangle.AddIntoRectangle(intersect[c], item, true));
added = true;
}
if ((c == 0) && (!added))
{
result.AddRange(Rectangle.AddIntoRectangle(intersect[c], item, true));
}
}
}
// Step 2 add XOR to everywhere except for the intersections
Window w = new Window();
w.In = intersect;
int length = w.In.Count();
w.CutOrIn(intersect, newRectangle, false);
w.In.RemoveRange(0, length);
for (int i = w.In.Count() - 1; i >= 0; i--)
{
if (i > w.In.Count() - 1)
{
i = w.In.Count() - 1;
}
w.In = w.In.simplifyByX(w.In, i);
if (i > w.In.Count() - 1)
{
i = w.In.Count() - 1;
}
w.In = w.In.simplifyByY(w.In, i);
}
result.AddRange(w.In);
return(result);
}