public Point GetBMPPoint(BBOX boundarybox, int width, int height)
{
double x = width * (this.x - boundarybox.xmin) / (boundarybox.xmax - boundarybox.xmin);
double y = height * (this.y - boundarybox.ymin) / (boundarybox.ymax - boundarybox.ymin);
Point bmpPoint = new Point((int)x, height - (int)y);
return(bmpPoint);
}
public Point[] GetBMPPoints(BBOX boundarybox, int width, int height)
{
Point[] bmpPoints = new Point[numPoints];
for (int i = 0; i < numPoints; i++)
{
double x = width * (points[i].X - boundarybox.xmin) / (boundarybox.xmax - boundarybox.xmin);
double y = height * (points[i].Y - boundarybox.ymin) / (boundarybox.ymax - boundarybox.ymin);
bmpPoints[i] = new Point((int)x, height - (int)y);
}
return(bmpPoints);
}
public Bitmap DrawBMP(BBOX boundarybox, Bitmap bmp)
{
int width = bmp.Width;
int height = bmp.Height;
Graphics graphic = Graphics.FromImage(bmp);
Pen mypen = new Pen(Color.Black);
Random ran = new Random();
int r = ran.Next(0, 255);
int g = ran.Next(0, 255);
int b = ran.Next(0, 255);
Color brushcolor = Color.FromArgb(r, g, b);
switch (shapetype)
{
case ShapeTypes.Point:
for (int i = 0; i < points.Count; i++)
{
System.Drawing.Point bmpPoint = points[i].GetBMPPoint(boundarybox, width, height);
Brush mybrush = new SolidBrush(Color.Green);
Rectangle rect = new Rectangle(bmpPoint.X, bmpPoint.Y, 2, 2);
graphic.DrawRectangle(mypen, rect);
graphic.FillRectangle(mybrush, rect);
}
break;
case ShapeTypes.Polyline:
for (int i = 0; i < polylines.Count; i++)
{
System.Drawing.Point[] bmpPoints = polylines[i].GetBMPPoints(boundarybox, width, height);
graphic.DrawLines(mypen, bmpPoints);
}
break;
case ShapeTypes.Polygon:
for (int i = 0; i < polygons.Count; i++)
{
System.Drawing.Point[] bmpPoints = polygons[i].GetBMPPoints(boundarybox, width, height);
Brush mybrush = new SolidBrush(brushcolor);
graphic.DrawPolygon(mypen, bmpPoints);
graphic.FillPolygon(mybrush, bmpPoints);
}
break;
default:
break;
}
return(bmp);
}
public Bitmap DrawBMP(BBOX boundarybox, Bitmap bmp, string style)
{
int width = bmp.Width;
int height = bmp.Height;
Graphics graphic = Graphics.FromImage(bmp);
Pen mypen = new Pen(Color.Black);
Color brushcolor = Color.Gray;
switch (style)
{
case "Red":
brushcolor = Color.Red;
break;
case "Green":
brushcolor = Color.Green;
break;
case "Blue":
brushcolor = Color.Blue;
break;
case "Cyan":
brushcolor = Color.Cyan;
break;
case "Magenta":
brushcolor = Color.Magenta;
break;
case "Yellow":
brushcolor = Color.Yellow;
break;
default:
break;
}
switch (shapetype)
{
case ShapeTypes.Point:
for (int i = 0; i < points.Count; i++)
{
Point bmpPoint = points[i].GetBMPPoint(boundarybox, width, height);
Brush mybrush = new SolidBrush(Color.Green);
Rectangle rect = new Rectangle(bmpPoint.X, bmpPoint.Y, 2, 2);
graphic.DrawRectangle(mypen, rect);
graphic.FillRectangle(mybrush, rect);
}
break;
case ShapeTypes.Polyline:
for (int i = 0; i < polylines.Count; i++)
{
Point[] bmpPoints = polylines[i].GetBMPPoints(boundarybox, width, height);
graphic.DrawLines(mypen, bmpPoints);
}
break;
case ShapeTypes.Polygon:
for (int i = 0; i < polygons.Count; i++)
{
Point[] bmpPoints = polygons[i].GetBMPPoints(boundarybox, width, height);
Brush mybrush = new SolidBrush(brushcolor);
graphic.DrawPolygon(mypen, bmpPoints);
graphic.FillPolygon(mybrush, bmpPoints);
}
break;
default:
break;
}
return(bmp);
}
