/// <summary>
/// Gets data of the polygon to draw
/// </summary>
double[] GetPath()
{
double[] result = null;
switch (lstShapes.SelectedIndex)
{
case 0: //rectangle
result = new double[] { 0, 0, w, 0, w, h, 0, h, 0, 0 };
break;
case 1: //triangle
result = TestFactory.Triangle();
result = TestFactory.Scale(result, 10);
break;
case 2: //star
result = TestFactory.Star();
result = TestFactory.Scale(result, 12);
result = TestFactory.Offset(result, 0, -100);
break;
case 3: //crown
result = TestFactory.Crown();
result = TestFactory.Scale(result, 10);
result = TestFactory.Offset(result, 0, -70);
break;
case 4: //circle pattern 1
result = TestFactory.CirclePattern1(w, h);
break;
case 5: //circle pattern 2
result = TestFactory.CirclePattern2(w, h);
break;
case 6: //complex 1
result = TestFactory.Complex1();
result = TestFactory.Scale(result, 1.3);
result = TestFactory.Offset(result, 30, 150);
break;
case 7: //complex 2
result = TestFactory.Complex2();
result = TestFactory.Scale(result, 8);
result = TestFactory.Offset(result, -60, -450);
break;
case 8: //complex 3
result = TestFactory.Complex3();
//result = TestFactory.Scale(result, 1);
result = TestFactory.Offset(result, 0, -50);
break;
}
return(result);
}
private void btnDrawTest_Click(object sender, EventArgs e)
{
if (lstTests.SelectedIndex < 0)
{
lstTests.SelectedIndex = 0;
}
//create a new drawing context
PixelsBuffer buffer = new PixelsBuffer(600, 600);
IDrawer drawer = new Drawer(buffer);
drawer.Clear(Colors.White);
//create fill for drawing
Fill fill = Fills.Black;
//populate polygon coordinate data
double[] coordinates = null;
switch (lstTests.SelectedIndex)
{
case 0:
coordinates = TestFactory.Triangle();
TestFactory.Scale(coordinates, 5.0);
break;
case 1:
coordinates = TestFactory.Star();
TestFactory.Scale(coordinates, 5.0);
break;
case 2:
coordinates = TestFactory.Crown();
TestFactory.Scale(coordinates, 5.0);
break;
case 3:
coordinates = TestFactory.CirclePattern1(buffer.Width, buffer.Height);
break;
case 4:
coordinates = TestFactory.CirclePattern2(buffer.Width, buffer.Height);
break;
case 5:
coordinates = TestFactory.Complex1();
break;
case 6:
coordinates = TestFactory.Complex2();
break;
case 7:
coordinates = TestFactory.Complex3();
break;
case 8:
DrawLion();
break;
}
if (coordinates != null)
{
//draw content
drawer.DrawPolygon(fill, coordinates);
//show to screen
DisplayBuffer(buffer);
}
}