public double getDis(myCoor p2)
{
double di2 = (i - p2.i) * (i - p2.i);
double dj2 = (j - p2.j) * (j - p2.j);
return(System.Math.Sqrt((double)(di2 + dj2)));
}
//求距离
public static double getDis(myCoor p2, myCoor p1)
{
double di2 = (p1.i - p2.i) * (p1.i - p2.i);
double dj2 = (p1.j - p2.j) * (p1.j - p2.j);
return(System.Math.Sqrt((double)(di2 + dj2)));
}
//返回某点的RGB数组值
public byte[] getRGB_Byte(myCoor coor)
{
Color c = getRGB(coor);
byte[] result = new byte[3];
result[0] = c.R;
result[1] = c.G;
result[2] = c.B;
return(result);
}
//设置矩阵某点的值
public void set_rgb(Color input_color, myCoor this_coor)
{
if (this_coor.i < 0 || this_coor.i >= height || this_coor.j < 0 || this_coor.j >= width)
{
return;
}
img_data[(int)this_coor.i, (int)this_coor.j, 0] = input_color.R;
img_data[(int)this_coor.i, (int)this_coor.j, 1] = input_color.G;
img_data[(int)this_coor.i, (int)this_coor.j, 2] = input_color.B;
}
public Color getRGB(myCoor coor)
{
if (coorInRange(coor))
{
Color c = Color.FromArgb(img_data[(int)coor.i, (int)coor.j, 0], img_data[(int)coor.i, (int)coor.j, 1], img_data[(int)coor.i, (int)coor.j, 2]);
return(c);
}
else
{
Color c = Color.FromArgb(0, 0, 0);
return(c);
}
}
//判断坐标coor是否在图像范围内
public bool coorInRange(myCoor coor)
{
if (coor.i >= height || coor.j >= width)
{
return(false);
}
else if (coor.i < 0 || coor.j < 0)
{
return(false);
}
else
{
return(true);
}
}
