// Return a Bitmap with the edge selected by the user
public Bitmap ApplyEdge(Bitmap selectedSource, IInterfaceEdge iEdge)
{
// Bitmap which store the result with the applied edge
Bitmap bitmapApplyEdge = null;
try
{
// Detect the name of the Edge selected
switch (iEdge.GetEdgeName())
{
// None : The user don't want any edge on the bitmap. Get the original bitmap
case "None":
bitmapApplyEdge = selectedSource;
break;
// Prewitt : apply the Prewitt edge on the bitmap
case "Prewitt":
bitmapApplyEdge = iEdge.PrewittEdge(selectedSource);
break;
// Kirsch : apply the Kirsch edge on the bitmap
case "Kirsch":
bitmapApplyEdge = iEdge.KirschEdge(selectedSource);
break;
}
return(bitmapApplyEdge);
}
catch (Exception e)
{
// If there is any exception, return null
Console.WriteLine(e);
return(null);;
}
}
public void TestEdge_GetSetEdgeName()
{
// Substitute for the interface Edge
var edgeSub = Substitute.For <IInterfaceEdge>();
// Define a new name
string newName = "Prewitt";
// Give the new name for the substitute
edgeSub.GetEdgeName().Returns <string>(newName);
// Set Edge with the new name
iEdge.SetEdgeName(newName);
// Check if the names are the same
Assert.AreEqual(iEdge.GetEdgeName(), edgeSub.GetEdgeName());
}