// This can be refactored into an interface and shapes.
private Point[] TrianglePoints(Parser.Dimensions shape)
{
Point[] points = new Point[3];
points[0] = new Point(0, 0);
switch (shape.shape)
{
case Parser.Shape.EQUITRANGLE:
points[1] = new Point(shape.dim1, 0);
var half = shape.dim1 / 2;
var full = shape.dim1;
points[2] = new Point(half, (int)Math.Sqrt(full * full - half * half));
break;
case Parser.Shape.ISOTRIANGLE:
points[1] = new Point(shape.dim1, 0);
points[2] = new Point(shape.dim1 / 2, shape.dim2);
break;
default:
break;
}
return(points);
}
public void button1Clicked(object sender, EventArgs args)
{
userInputText = inputBox.Text;
parser.SetInput(userInputText);
Parser.Dimensions shape = parser.GetShape();
DrawShape(shape, args);
}
private void DrawShape(Parser.Dimensions shape, EventArgs args)
{
Bitmap bmp = new Bitmap(shape.dim1, shape.dim2, PixelFormat.Format24bppRgb);
Graphics g = Graphics.FromImage(bmp);
g.TextRenderingHint = TextRenderingHint.AntiAlias;
g.Clear(Color.White);
Pen pen = new Pen(Color.Black, 3);
switch (shape.shape)
{
case Parser.Shape.CIRCLE:
g.DrawEllipse(pen, 0, 0, shape.dim1, shape.dim2);
break;
case Parser.Shape.SQUARE:
g.DrawRectangle(pen, 0, 0, shape.dim1, shape.dim1);
break;
case Parser.Shape.RECTANGLE:
g.DrawRectangle(pen, 0, 0, shape.dim1, shape.dim2);
break;
case Parser.Shape.OVAL:
g.DrawEllipse(pen, 0, 0, shape.dim1, shape.dim2);
break;
case Parser.Shape.EQUITRANGLE:
case Parser.Shape.ISOTRIANGLE:
g.DrawPolygon(pen, TrianglePoints(shape));
break;
default:
throw new InvalidOperationException();
}
String path = Server.MapPath(imagePath);
bmp.Save(path, ImageFormat.Jpeg);
Image1.ImageUrl = imagePath;
g.Dispose();
bmp.Dispose();
}