/// <summary>
/// RETURNS and SETS the Outcode of the Vector.
/// </summary>
/// <param name="ClippingWindow">The Renderwindow.</param>
/// <returns></returns>
public static int SetOutCode(this Vector vector, myRectangle ClippingWindow)
{
int b = 0;
if (ClippingWindow == null)
{
return 0;
}
if (vector.X < ClippingWindow.v1.X) //left
{
b += 1;
}
if (vector.X >= ClippingWindow.v1.X && vector.X <= ClippingWindow.v2.X) //mitte
{
b += 0;
}
if (vector.X > ClippingWindow.v2.X) //right
{
b += 10;
}
if (vector.Y < ClippingWindow.v3.Y) //bottom
{
b += 100;
}
if (vector.Y > ClippingWindow.v1.Y) //top
{
b += 1000;
}
if (vector.Y >= ClippingWindow.v3.Y && vector.Y <= ClippingWindow.v1.Y) //center
{
b += 0;
}
vector.Outcode = b;
return b;
}
void box_SizeChanged(object sender, EventArgs e)
{
ClippingWindow = new myRectangle(new Vector(gc.Parent.Width / 4, 3 * gc.Parent.Height / 4, false), new Vector(3 * (gc.Parent.Width / 4), (gc.Parent.Height / 4), false));
UpdateLogger();
}
/// <summary>
/// Creates a new Logic for the program.
/// </summary>
/// <param name="box">The drawing area.</param>
/// <param name="fmMain">The main window.</param>
/// <param name="logger">The ListView to display the vector coordinates.</param>
public Logic(PictureBox box, FormMain fmMain, ListView logger)
{
gc = new GraphicCore(box);
this.ShowCoordinates = true;
this.UseCohenSutherlandAlgorithm = false;
this.fmMain = fmMain;
_trianglePointCount = 0;
_linePointCount = 0;
drawingMode = DrawingMode.Points;
this.lvLogger = logger;
box.MouseUp += new MouseEventHandler(box_MouseUp);
box.MouseMove += new MouseEventHandler(box_MouseMove);
box.SizeChanged += new EventHandler(box_SizeChanged);
lvLogger.SelectedIndexChanged += new EventHandler(lvLogger_SelectedIndexChanged);
lvLogger.Click += new EventHandler(lvLogger_Click);
lvLogger.KeyUp += new KeyEventHandler(lvLogger_KeyUp);
lvLogger.KeyDown += new KeyEventHandler(lvLogger_KeyDown);
//1. corner: left top
//2. corner right bottom
ClippingWindow = new myRectangle(new Vector(box.Width / 4, 3 * box.Height / 4, false), new Vector(3 * (box.Width / 4), (box.Height / 4), false));
this.InitLists();
}
/// <summary>
/// Draw Cohen sutherland stuff (caption).
/// </summary>
/// <param name="ClippingWindow">The clipping window.</param>
public void DrawCaption(myRectangle ClippingWindow)
{
//draw lines
g.DrawLine(GraphicCore.Cohen_Sutherland_LinesColor, ClippingWindow.v2.X, Parent.Height - ClippingWindow.v2.Y, ClippingWindow.v2.X, 0);
g.DrawLine(GraphicCore.Cohen_Sutherland_LinesColor, ClippingWindow.v2.X, Parent.Height - ClippingWindow.v2.Y, Parent.Width, Parent.Height - ClippingWindow.v2.Y);
g.DrawLine(GraphicCore.Cohen_Sutherland_LinesColor, ClippingWindow.v3.X, Parent.Height - ClippingWindow.v3.Y, Parent.Width, Parent.Height - ClippingWindow.v3.Y);
g.DrawLine(GraphicCore.Cohen_Sutherland_LinesColor, ClippingWindow.v3.X, Parent.Height - ClippingWindow.v3.Y, ClippingWindow.v3.X, Parent.Height);
g.DrawLine(GraphicCore.Cohen_Sutherland_LinesColor, ClippingWindow.v4.X, Parent.Height - ClippingWindow.v4.Y, 0, Parent.Height - ClippingWindow.v4.Y);
g.DrawLine(GraphicCore.Cohen_Sutherland_LinesColor, ClippingWindow.v4.X, Parent.Height - ClippingWindow.v4.Y, ClippingWindow.v4.X, Parent.Height);
g.DrawLine(GraphicCore.Cohen_Sutherland_LinesColor, ClippingWindow.v1.X, Parent.Height - ClippingWindow.v1.Y, ClippingWindow.v1.X, 0);
g.DrawLine(GraphicCore.Cohen_Sutherland_LinesColor, ClippingWindow.v1.X, Parent.Height - ClippingWindow.v1.Y, 0, Parent.Height - ClippingWindow.v1.Y);
//top
PointF p1001 = new PointF((ClippingWindow.v1.X / 2) - (g.MeasureString("1001", GraphicCore.Cohen_Sutherland_Font).Width / 2),
(Parent.Height - ClippingWindow.v1.Y) / 2 - (g.MeasureString("1001", GraphicCore.Cohen_Sutherland_Font).Height) / 2);
g.DrawString("1001", GraphicCore.Cohen_Sutherland_Font, Brushes.Black, p1001);
PointF f2 = new PointF(((ClippingWindow.v2.X - ClippingWindow.v1.X) / 2 + ClippingWindow.v1.X) - (g.MeasureString("1000", GraphicCore.Cohen_Sutherland_Font).Width / 2),
(Parent.Height - ClippingWindow.v2.Y) / 2 - (g.MeasureString("1000", GraphicCore.Cohen_Sutherland_Font).Height) / 2);
g.DrawString("1000", GraphicCore.Cohen_Sutherland_Font, Brushes.Black, f2);
PointF f3 = new PointF(((Parent.Width - ClippingWindow.v2.X) / 2 + ClippingWindow.v2.X) - (g.MeasureString("1010", GraphicCore.Cohen_Sutherland_Font).Width / 2),
(Parent.Height - ClippingWindow.v2.Y) / 2 - (g.MeasureString("1010", GraphicCore.Cohen_Sutherland_Font).Height) / 2);
g.DrawString("1010", GraphicCore.Cohen_Sutherland_Font, Brushes.Black, f3);
//unten
PointF f4 = new PointF((ClippingWindow.v4.X / 2) - (g.MeasureString("1001", GraphicCore.Cohen_Sutherland_Font).Width / 2),
Parent.Height - (Parent.Height - (Parent.Height - ClippingWindow.v4.Y)) / 2 - (g.MeasureString("1001", GraphicCore.Cohen_Sutherland_Font).Height) / 2);
g.DrawString("0101", GraphicCore.Cohen_Sutherland_Font, Brushes.Black, f4);
PointF f5 = new PointF(((ClippingWindow.v3.X - ClippingWindow.v4.X) / 2 + ClippingWindow.v4.X) - (g.MeasureString("1000", GraphicCore.Cohen_Sutherland_Font).Width / 2),
Parent.Height - (Parent.Height - (Parent.Height - ClippingWindow.v4.Y)) / 2 - (g.MeasureString("1001", GraphicCore.Cohen_Sutherland_Font).Height) / 2);
g.DrawString("0100", GraphicCore.Cohen_Sutherland_Font, Brushes.Black, f5);
PointF f6 = new PointF(((Parent.Width - ClippingWindow.v3.X) / 2 + ClippingWindow.v3.X) - (g.MeasureString("1010", GraphicCore.Cohen_Sutherland_Font).Width / 2),
Parent.Height - (Parent.Height - (Parent.Height - ClippingWindow.v3.Y)) / 2 - (g.MeasureString("1001", GraphicCore.Cohen_Sutherland_Font).Height) / 2);
g.DrawString("0110", GraphicCore.Cohen_Sutherland_Font, Brushes.Black, f6);
//mitte
PointF f7 = new PointF((ClippingWindow.v4.X / 2) - (g.MeasureString("1001", GraphicCore.Cohen_Sutherland_Font).Width / 2),
Parent.Height - (((ClippingWindow.v1.Y - ClippingWindow.v4.Y) / 2) + ClippingWindow.v4.Y + (g.MeasureString("1001", GraphicCore.Cohen_Sutherland_Font).Height) / 2));
g.DrawString("0001", GraphicCore.Cohen_Sutherland_Font, Brushes.Black, f7);
PointF f8 = new PointF(((ClippingWindow.v3.X - ClippingWindow.v4.X) / 2 + ClippingWindow.v4.X) - (g.MeasureString("1000", GraphicCore.Cohen_Sutherland_Font).Width / 2),
Parent.Height - (((ClippingWindow.v1.Y - ClippingWindow.v4.Y) / 2) + ClippingWindow.v4.Y + (g.MeasureString("1001", GraphicCore.Cohen_Sutherland_Font).Height) / 2));
g.DrawString("0000", GraphicCore.Cohen_Sutherland_Font, Brushes.Black, f8);
PointF f9 = new PointF(((Parent.Width - ClippingWindow.v3.X) / 2 + ClippingWindow.v3.X) - (g.MeasureString("1010", GraphicCore.Cohen_Sutherland_Font).Width / 2),
Parent.Height - (((ClippingWindow.v2.Y - ClippingWindow.v3.Y) / 2) + ClippingWindow.v3.Y + (g.MeasureString("1001", GraphicCore.Cohen_Sutherland_Font).Height) / 2));
g.DrawString("0010", GraphicCore.Cohen_Sutherland_Font, Brushes.Black, f9);
}