internal void ApplyMutation(IMutationChanges changes)
{
if (changes == null)
{
return;
}
this.NegativeFitness = changes.NewNegativeFitness;
if (changes is PolygonAndColorMutationChanges)
{
PolygonAndColorMutationChanges change = (PolygonAndColorMutationChanges)changes;
int index = change.Index;
Point[] polygon = change.NewPolygon;
Brush brush = change.NewBrush;
this.Polygons[index] = polygon;
this.Brushes[index] = brush;
}
else if (changes is ColorMutationChanges)
{
ColorMutationChanges change = (ColorMutationChanges)changes;
int index = change.Index;
Brush brush = change.NewBrush;
this.Brushes[index] = brush;
}
else if (changes is PolygonMutationChanges)
{
PolygonMutationChanges change = (PolygonMutationChanges)changes;
int index = change.Index;
Point[] polygon = change.NewPolygon;
this.Polygons[index] = polygon;
}
else if (changes is SubstractPolygonMutationChanges)
{
SubstractPolygonMutationChanges change = (SubstractPolygonMutationChanges)changes;
int index = change.Index;
Point[] polygon = change.OldPolygon;
Brush brush = change.OldBrush;
//this.Polygons.Insert(index, polygon);
//this.GeneBrush.Insert(index, brush);
this.Brushes.RemoveAt(index);
this.Polygons.RemoveAt(index);
}
else if (changes is AddPolygonMutationChanges)
{
AddPolygonMutationChanges change = (AddPolygonMutationChanges)changes;
int index = change.Index;
Point[] polygon = change.NewPolygon;
Brush brush = change.NewBrush;
this.Brushes.Insert(index, brush);
this.Polygons.Insert(index, polygon);
}
}
internal ColorMutationChanges MutateColorParam()
{
if (this.Brushes.Count > 0)
{
ColorMutationChanges changes = new ColorMutationChanges();
changes.OldNegativeFitness = this.NegativeFitness;
int position = random.Next(this.Brushes.Count);
changes.Index = position;
SolidBrush oldBrush = (SolidBrush)this.Brushes[position];
changes.OldBrush = oldBrush;
Color newColor = Color.FromArgb(oldBrush.Color.A,
oldBrush.Color.R,
oldBrush.Color.G,
oldBrush.Color.B);
int colorParamPos = random.Next(3);
int newColorParam = random.Next(255);
if (colorParamPos == 0)
{
newColor = Color.FromArgb(oldBrush.Color.A,
newColorParam,
oldBrush.Color.G,
oldBrush.Color.B);
}
else if (colorParamPos == 1)
{
newColor = Color.FromArgb(oldBrush.Color.A,
oldBrush.Color.R,
newColorParam,
oldBrush.Color.B);
}
else if (colorParamPos == 2)
{
newColor = Color.FromArgb(oldBrush.Color.A,
oldBrush.Color.R,
oldBrush.Color.G,
newColorParam);
}
SolidBrush newBrush = new SolidBrush(newColor);
this.Brushes[position] = newBrush;
this.NegativeFitness = computeNegativeFittness();
changes.NewNegativeFitness = this.NegativeFitness;
changes.NewBrush = newBrush;
return(changes);
}
return(null);
}
internal ColorMutationChanges MutateColor()
{
if (this.Brushes.Count > 0)
{
ColorMutationChanges changes = new ColorMutationChanges();
changes.OldNegativeFitness = this.NegativeFitness;
int position = random.Next(this.Brushes.Count);
changes.Index = position;
changes.OldBrush = this.Brushes[position];
Brush newBrush = getRandomBrush();
this.Brushes[position] = newBrush;
this.NegativeFitness = computeNegativeFittness();
changes.NewNegativeFitness = this.NegativeFitness;
changes.NewBrush = newBrush;
return(changes);
}
return(null);
}