public Descart2D(Graphics g, Coor o, int minx, int miny, int maxx, int maxy)
{
this.G = g;
this.O = o;
this.MinX = minx;
this.MinY = miny;
this.MaxX = maxx;
this.MaxY = maxy;
Pen pen = new Pen(BackColor);
g.DrawLine(pen, O.X, O.Y, 0, Math.Abs(MinY) + MaxY);
pen = new Pen(Descart.Ruler);
// Vẽ lưới
for (int i = O.X; i < MaxX; i += Form1.PX)
{
g.DrawLine(pen, i, 0, i, Math.Abs(MinY) + MaxY);
}
for (int i = O.X; i > MinX; i -= Form1.PX)
{
g.DrawLine(pen, i, 0, i, Math.Abs(MinY) + MaxY);
}
for (int i = O.Y; i < MaxY; i += Form1.PX)
{
g.DrawLine(pen, 0, i, Math.Abs(MinX) + MaxX, i);
}
for (int i = O.Y; i > MinY; i -= Form1.PX)
{
g.DrawLine(pen, 0, i, Math.Abs(MinX) + MaxX, i);
}
pen = new Pen(Descart.Vec);
g.DrawLine(pen, O.X, 0, O.X, Math.Abs(MinY) + MaxY);
g.DrawLine(pen, 0, O.Y, Math.Abs(MinX) + MaxX, O.Y);
SolidBrush brush = new SolidBrush(Descart.Vec);
for (int i = 0; i < 6; i++)
{
g.FillRectangle(brush, O.X + i, i, 1, 1);
}
for (int i = 0; i < 6; i++)
{
g.FillRectangle(brush, O.X - i, i, 1, 1);
}
for (int i = 0; i < 6; i++)
{
g.FillRectangle(brush, Math.Abs(MinX) + MaxX - i, O.Y - i, 1, 1);
}
for (int i = 0; i < 6; i++)
{
g.FillRectangle(brush, Math.Abs(MinX) + MaxX - i, O.Y + i, 1, 1);
}
}
public void Hide(Graphics g, Coor O)
{
try
{
first.Hide(g, O);
last.Hide(g, O);
foreach (Point p in List)
{
p.Hide(g, O);
}
}
catch (Exception) { }
}
public void Show(Graphics g, Coor O)
{
if (!D3)
{
SolidBrush brush = new SolidBrush(Descart.Point);
g.FillRectangle(brush, O.X + X * Form1.PX - Form1.PX / 2, O.Y - Y * Form1.PX - Form1.PX / 2, Form1.PX, Form1.PX);
}
else
{
SolidBrush brush = new SolidBrush(Descart.Point);
g.FillRectangle(brush, O.X + X * Form1.PX - Form1.PX / 2 - Convert.ToInt32(Math.Ceiling(Z * 0.5)) * Form1.PX, O.Y - Y * Form1.PX - Form1.PX / 2 + Convert.ToInt32(Math.Ceiling(Z * 0.5)) * Form1.PX, Form1.PX, Form1.PX);
}
}
public void Show(Graphics g, Color c, Coor O, int size = 5)
{
if (!D3)
{
SolidBrush brush = new SolidBrush(c);
g.FillRectangle(brush, O.X + X * Form1.PX - Form1.PX / 2, O.Y - Y * Form1.PX - Form1.PX / 2, size, size);
}
else
{
SolidBrush brush = new SolidBrush(c);
g.FillRectangle(brush, O.X + X * Form1.PX - Form1.PX / 2 - Convert.ToInt32(Math.Ceiling(Z * 0.5)) * Form1.PX, O.Y - Y * Form1.PX - Form1.PX / 2 + Convert.ToInt32(Math.Ceiling(Z * 0.5)) * Form1.PX, size, size);
}
}
public static int Convert_D2P(int x, Coor O, int type)/*Chuyển đổi từ tọa độ Descart sang Pixel*/
{
if (type == -1)
{
return(x * Form1.PX + O.X);
}
else if (type == 0)
{
return(O.Y - x * Form1.PX);
}
else
{
return(0);
}
}
public static int Convert_P2D(int x, Coor O, int type) /*Chuyển đổi từ tọa độ Pixel sang Descart*/
{
if (type == -1) //X
{
return(Convert.ToInt32(Math.Round(1.0 * (x - O.X) / Form1.PX)));
}
else if (type == 0)//Y
{
return(Convert.ToInt32(Math.Round(1.0 * (O.Y - x) / Form1.PX)));
}
else
{
return(0);
}
}
public void Hide(Graphics g, Coor O)
{
if (!D3)
{
SolidBrush brush = new SolidBrush(Descart.BackColor);
g.FillRectangle(brush, O.X + X * Form1.PX - Form1.PX / 2, O.Y - Y * Form1.PX - Form1.PX / 2, Form1.PX / 2, Form1.PX / 2);
g.FillRectangle(brush, O.X + X * Form1.PX + 1, O.Y - Y * Form1.PX - Form1.PX / 2, Form1.PX / 2, Form1.PX / 2);
g.FillRectangle(brush, O.X + X * Form1.PX - Form1.PX / 2, O.Y - Y * Form1.PX + 1, Form1.PX / 2, Form1.PX / 2);
g.FillRectangle(brush, O.X + X * Form1.PX + 1, O.Y - Y * Form1.PX + 1, Form1.PX / 2, Form1.PX / 2);
g.DrawLine(new Pen(Descart.Ruler), O.X + X * Form1.PX - Form1.PX / 2, O.Y - Y * Form1.PX, O.X + X * Form1.PX + Form1.PX / 2, O.Y - Y * Form1.PX);
g.DrawLine(new Pen(Descart.Ruler), O.X + X * Form1.PX, O.Y - Y * Form1.PX - Form1.PX / 2, O.X + X * Form1.PX, O.Y - Y * Form1.PX + Form1.PX / 2);
if (X == 0)
{
g.DrawLine(new Pen(Descart.Vec), O.X + X * Form1.PX, O.Y - Y * Form1.PX - Form1.PX / 2, O.X + X * Form1.PX, O.Y - Y * Form1.PX + Form1.PX / 2);
}
if (Y == 0)
{
g.DrawLine(new Pen(Descart.Vec), O.X + X * Form1.PX - Form1.PX / 2, O.Y - Y * Form1.PX, O.X + X * Form1.PX + Form1.PX / 2, O.Y - Y * Form1.PX);
}
}
else
{
SolidBrush brush = new SolidBrush(Descart.BackColor);
g.FillRectangle(brush, O.X + X * Form1.PX - Form1.PX / 2, O.Y - Y * Form1.PX - Form1.PX / 2, Form1.PX / 2, Form1.PX / 2);
g.FillRectangle(brush, O.X + X * Form1.PX + 1, O.Y - Y * Form1.PX - Form1.PX / 2, Form1.PX / 2, Form1.PX / 2);
g.FillRectangle(brush, O.X + X * Form1.PX - Form1.PX / 2, O.Y - Y * Form1.PX + 1, Form1.PX / 2, Form1.PX / 2);
g.FillRectangle(brush, O.X + X * Form1.PX + 1, O.Y - Y * Form1.PX + 1, Form1.PX / 2, Form1.PX / 2);
g.DrawLine(new Pen(Descart.Ruler), O.X + X * Form1.PX - Form1.PX / 2, O.Y - Y * Form1.PX, O.X + X * Form1.PX + Form1.PX / 2, O.Y - Y * Form1.PX);
g.DrawLine(new Pen(Descart.Ruler), O.X + X * Form1.PX, O.Y - Y * Form1.PX - Form1.PX / 2, O.X + X * Form1.PX, O.Y - Y * Form1.PX + Form1.PX / 2);
if (X == 0 && Y > 0)
{
g.DrawLine(new Pen(Descart.Vec), O.X + X * Form1.PX, O.Y - Y * Form1.PX - Form1.PX / 2, O.X + X * Form1.PX, O.Y - Y * Form1.PX + Form1.PX / 2);
}
if (Y == 0 && X > 0)
{
g.DrawLine(new Pen(Descart.Vec), O.X + X * Form1.PX - Form1.PX / 2, O.Y - Y * Form1.PX, O.X + X * Form1.PX + Form1.PX / 2, O.Y - Y * Form1.PX);
}
if (Z == 0 && X > 0 && Y > 0)
{
g.DrawLine(new Pen(Descart.Vec), O.X + X * Form1.PX - Form1.PX / 2, O.Y - Y * Form1.PX + Form1.PX / 2, O.X + X * Form1.PX + Form1.PX / 2, O.Y - Y * Form1.PX - Form1.PX / 2);
}
}
}
public void Show(Graphics g, Coor O, bool dut = false)
{
try
{
first.Show(g, O);
last.Show(g, O);
foreach (Point p in List)
{
if (dut)
{
p.Show(g, Descart.Point, O, Form1.PX / 2);
}
else
{
p.Show(g, O);
}
}
}
catch (Exception) { }
}
public Label Show_Label(Coor O)
{
Label lb = new Label();
Coor temp = Point.Convert_D2P(X, Y, O);
string name1 = this.Name;
if (name1.Equals(""))
{
name1 = Form1.GetPointName();
}
if (D3)
{
lb.Text = name1 + "(" + X + "," + Y + "," + Z + ")";
}
else
{
lb.Text = name1 + "(" + X + "," + Y + ")";
}
int x1, y1;
if (D3)
{
if (X >= 0 && Y >= 0)
{
x1 = temp.X + 10 - Convert.ToInt32(Math.Ceiling(Z * 0.5)) * Form1.PX;
y1 = temp.Y - 28 + Convert.ToInt32(Math.Ceiling(Z * 0.5)) * Form1.PX;
}
else if (X >= 0 && Y < 0)
{
x1 = temp.X + 10 - Convert.ToInt32(Math.Ceiling(Z * 0.5)) * Form1.PX;
y1 = temp.Y + 28 + Convert.ToInt32(Math.Ceiling(Z * 0.5)) * Form1.PX;
}
else if (X < 0 && Y < 0)
{
x1 = temp.X - 10 - Convert.ToInt32(Math.Ceiling(Z * 0.5)) * Form1.PX;
y1 = temp.Y + 28 + Convert.ToInt32(Math.Ceiling(Z * 0.5)) * Form1.PX;
}
else
{
x1 = temp.X - 10 - Convert.ToInt32(Math.Ceiling(Z * 0.5)) * Form1.PX;
y1 = temp.Y - 28 + Convert.ToInt32(Math.Ceiling(Z * 0.5)) * Form1.PX;
}
}
else
{
if (X >= 0 && Y >= 0)
{
x1 = temp.X + 10;
y1 = temp.Y - 10;
}
else if (X >= 0 && Y < 0)
{
x1 = temp.X + 10;
y1 = temp.Y + 10;
}
else if (X < 0 && Y < 0)
{
x1 = temp.X - 10;
y1 = temp.Y + 10;
}
else
{
x1 = temp.X - 10;
y1 = temp.Y - 10;
}
}
lb.Location = new System.Drawing.Point(x1, y1);
lb.Width = Convert.ToInt32(lb.Font.Size) * lb.Text.Length - 10;
return(lb);
}
public static Coor Convert_D2P(int x, int y, Coor O)/*Chuyển đổi từ tọa độ Descart sang Pixel*/
{
return(new Coor(x * Form1.PX + O.X, O.Y - y * Form1.PX));
}
public static Point Convert_P2D(int x, int y, Coor O)/*Chuyển đổi từ tọa độ Pixel sang Descart*/
{
return(new Point(Convert.ToInt32(Math.Round(1.0 * (x - O.X) / Form1.PX)), Convert.ToInt32(Math.Round(1.0 * (O.Y - y) / Form1.PX))));
}