public static void rotateGeneral(ref byte[][] target, TrnsData data, byte[][] G, int hidx, int oldw, int oldh)
{
double radian = data.Angle;
var newWidth = target[0].Length;
var newHeight = target.Length;
double cosRadian = Cos(radian);
double sinRadian = Sin(radian);
int centerX = oldw / 2;
int centerY = oldh / 2;
int diffX = (newWidth - oldw) / 2;
int diffY = (newHeight - oldh) / 2;
int isourceX, isourceY;
int y, x;
int h = G.Length;
for (y = 0; y < target.Length; y++)
{
for (x = 0; x < target[0].Length; x++)
{
var dx = x - (centerX + diffX);
var dy = y - (centerY + diffY);
var xres = dx * cosRadian - dy * sinRadian;
var yres = dx * sinRadian + dy * cosRadian;
var srcX = xres + centerX;
var srcY = yres - hidx * h + centerY;
isourceX = (int)Math.Round(srcX);
isourceY = (int)Math.Round(srcY);
try
{
if (isourceY < G.Length &&
isourceY >= 0 &&
isourceX < G[0].Length &&
isourceX >= 0)
{
target[y][x] = G[isourceY][isourceX];
}
}
catch (Exception es)
{
Console.WriteLine(es.ToString());
}
}
}
}
/// <summary>
/// affine pos , w , h
/// </summary>
/// <param name="src"></param>
/// <returns></returns>
// 정사각형만 가능
#region Transform
public static void xytransform(ref byte[][] target, TrnsData data, byte[][] src, int hidx, int xmax, int ymax)
{
// 현재 소스의 크기는 맥스치로 되어있다.
//맥스치의 w,h
var h = src.GetLength(0);
var w = src[0].GetLength(0);
//확장 캔버스의 센터 위치
var tcenterX = (int)xmax / 2;
var tcenterY = (int)ymax / 2;
var xshift = (int)(data.XSrcCnter - tcenterX);
var yshift = (int)(data.YSrcCnter - tcenterY);
//byte[,] R = new byte[target.GetLength(0),target.GetLength(1)];
for (int j = 0; j < h; j++)
{
for (int i = 0; i < w; i++)
{
if (i - xshift >= 0 &&
j - yshift >= 0 &&
i - xshift < target[0].Length &&
j - yshift < target.Length)
{
var yidx = (j - yshift + hidx).ToString();
var xidx = (i - xshift).ToString();
//var str = string.Format("y : {0} x : {1} = {2}", yidx, xidx, src[j][i]);
//Console.WriteLine(str);
if (j - yshift + hidx * h < target.Length &&
i - xshift < target[0].Length)
{
target[j - yshift + hidx * h][i - xshift] = src[j][i];
}
}
}
}
//return R;
}
public static void rotateGeneral2(ref byte[][] target, TrnsData data, byte[][] G, int hidx, int oldw, int oldh)
{
double radian = data.Angle;
//double radian = 0.785398;
var newWidth = target[0].Length;
var newHeight = target.Length;
double cosRadian = Cos(radian);
double sinRadian = Sin(radian);
int centerX = oldw / 2;
int centerY = oldh / 2;
int diffX = (newWidth - oldw) / 2;
int diffY = (newHeight - oldh) / 2;
//byte[,] R = new byte[newHeight, newWidth];
double sourceX, sourceY;
int isourceX, isourceY;
int isourceX2, isourceY2;
double nw, ne, sw, se, p, q;
int y, x;
// -- OK
int h = G.Length;
for (y = 0; y < G.Length; y++)
{
for (x = 0; x < G[0].Length; x++)
{
sourceX = (x - centerX) * cosRadian + (y + hidx * h - centerY) * (sinRadian);
sourceX += (centerX + diffX);
sourceY = (x - centerX) * -sinRadian + (y + hidx * h - centerY) * cosRadian;
sourceY += (centerY + diffY);
// 이부분은 ok
isourceX = (int)Math.Truncate(sourceX);
isourceY = (int)Math.Truncate(sourceY);
isourceX2 = (int)Math.Ceiling(sourceX);
isourceY2 = (int)Math.Ceiling(sourceY);
try
{
if (isourceY < target.Length &&
isourceX < target[0].Length &&
isourceY2 < target[0].Length &&
isourceX2 < target.Length)
{
target[isourceY][isourceX] = G[y][x];
target[isourceY2][isourceX2] = G[y][x];
target[isourceY][isourceX2] = G[y][x];
target[isourceY2][isourceX] = G[y][x];
}
}
catch (Exception es)
{
Console.WriteLine(es.ToString());
}
}
}
// return target;
}
