图像的旋转

public void Matrix_Rotate(//20080624 进行矩阵旋转
//基本功能测试完成于20080625
ref int[, ,] aSour,//RGB图像对应的数组
int xBod, int yBod, int intDrg,//
图像XY边界和角度 

bool ifClearBorder,//是否对周围的黑框进行清除
out int xBodOut, out int yBodOut,//输出的图像边界
out int[, ,] aOut)//输出
{
double dubRng = Math.Pow(xBod, 2) + Math.Pow(yBod, 2);
dubRng = Math.Pow(dubRng, 0.5);
int intRng = Convert.ToInt32(dubRng) + 1;

//返回一个内接圆
//三角函数测试段 正确，可用////////////////////////////
//Single LineC = 2.0F,
//    LineB = 1.732F;
//Single sngCos = LineB / LineC;
//Single sngArc = Convert.ToSingle(Math.Acos(sngCos) / Math.PI * 180.0F);
//Debug.WriteLine(sngArc);
///////////////////////////////////////////////////

int i, j, k, intHafRng = intRng / 2;
int intCntX = xBod / 2,
intCntY = yBod / 2;
aOut = new int[intRng, intRng, 3];
int i2, j2;

intDrg %= 360;

if (intDrg == 270)
{//270度旋转
xBodOut = yBod;
yBodOut = xBod;
aOut = new int[xBodOut, yBodOut, 3];

for (j = 0; j < yBodOut; j++)
{
i2 = yBodOut - j - 1;
for (i = 0; i < xBodOut; i++)
{
j2 = i;
for (k = 0; k < 3; k++)
aOut[i, j, k] = aSour[i2, j2, k];
}
}
goto Out;
}
else if (intDrg == 180)
{
xBodOut = xBod;
yBodOut = yBod;
aOut = new int[xBodOut, yBodOut, 3];

for (j = 0; j < yBodOut; j++)
{
j2 = yBodOut - j - 1;
for (i = 0; i < xBodOut; i++)
{