public void CreatePredefinedPolygon(object par)
{
var numString = par as string;
if (numString == null)
{
return;
}
int number = int.Parse(numString);
Random rnd = new Random();
byte[] colors = new byte[3];
rnd.NextBytes(colors);
var poly = new Polygon();
if (number == 1)
{
poly.AddPoint(new DragablePoint(80, 60));
poly.AddPoint(new DragablePoint(250, 30));
poly.AddPoint(new DragablePoint(200, 150));
poly.AddPoint(new DragablePoint(137, 197));
poly.AddPoint(new DragablePoint(123, 256));
poly.AddPoint(new DragablePoint(68, 200));
poly.AddRelation(poly.Lines[0], poly.Lines[2], Relation.PARALLEL);
poly.AddRelation(poly.Lines[1], poly.Lines[5], Relation.EQUALS);
poly.FixRelations(poly.Points[0]);
}
else if (number == 2)
{
poly.AddPoint(new DragablePoint(464, 70));
poly.AddPoint(new DragablePoint(521, 267));
poly.AddPoint(new DragablePoint(344, 335));
poly.AddPoint(new DragablePoint(434, 238));
poly.AddPoint(new DragablePoint(400, 100));
poly.AddPoint(new DragablePoint(300, 78));
poly.AddRelation(poly.Lines[0], poly.Lines[3], Relation.PARALLEL);
poly.AddRelation(poly.Lines[2], poly.Lines[5], Relation.EQUALS);
poly.FixRelations(poly.Points[0]);
}
else
{
return;
}
poly.Color = Color.FromRgb(colors[0], colors[1], colors[2]);
poly.Name = "Poly" + Polygons.Count.ToString();
poly.Boundries = new Rect(0, 0, BitmapWidth, BitmapHeight);
poly.RenderBitmap();
AddPolygon(poly);
}
public Editor(Window wnd)
{
_gfx = new Graphics(wnd.CreateRenderer());
_objects = new List <IDrawable>();
_l = null;
_gfx.Clear(Colors.White);
_gfx.Commit();
wnd.WindowResized += (
object sender,
WindowResizedEventArgs e
) => Render();
wnd.MouseButtonDown += delegate(
object sender,
MouseButtonDownEventArgs e
) {
switch (e.Button)
{
case MouseButton.Left:
if (_l == null)
{
_l = new Polygon(Colors.Black);
_l.AddPoint(new Point(e.X, e.Y));
this._objects.Add(_l);
}
_l.AddPoint(new Point(e.X, e.Y));
break;
case MouseButton.Right:
_l = null;
break;
}
Render();
};
wnd.MouseMotion += delegate(object sender, MouseMotionEventArgs e) {
if (_l == null || _l.Count == 0)
{
return;
}
_l.RemovePoint();
_l.AddPoint(new Point(e.X, e.Y));
Render();
};
wnd.KeyDown += delegate(object sender, KeyDownEventArgs e) {
switch (e.KeySym.scancode)
{
case SDL.SDL_Scancode.SDL_SCANCODE_ESCAPE:
_objects.Clear();
_l = null;
break;
case SDL.SDL_Scancode.SDL_SCANCODE_A:
if (_gfx.LineAlgorithm == BresenhamLine.DrawLine)
{
_gfx.LineAlgorithm = DDALine.DrawLine;
Console.WriteLine("Line Algorithm: DDALine");
}
else if (_gfx.LineAlgorithm == DDALine.DrawLine)
{
_gfx.LineAlgorithm = null;
Console.WriteLine("Line Algorithm: Built In");
}
else
{
_gfx.LineAlgorithm = BresenhamLine.DrawLine;
Console.WriteLine("Line Algorithm: BresnhamLine");
}
break;
}
Render();
};
}
