public static Point SmartFindBitmap(MyRawBitmapData src, Utils.RECT rect, MyRawBitmapData pattern, int step = 5, double error1 = 10000, double error2 = 100000)
{
List <Point> lst = GetSubPositions(src, pattern, rect, step, error1);
if (lst.Count > 0)
{
return(lst[0]);
}
return(new Point(0, 0));
}
public static List <Point> GetSubPositions(MyRawBitmapData main, MyRawBitmapData sub, Utils.RECT rect, int step = 1, double colorError = 1, bool flgSingle = true)
{
List <Point> possiblepos = new List <Point>();
int subwidth = sub.width;
int subheight = sub.height;
int movewidth = rect.right - subwidth;
int moveheight = rect.bottom - subheight;
int maxX = rect.left + movewidth - subwidth;
int maxY = rect.top + moveheight - subheight;
int cX = subwidth / 2;
int cY = subheight / 2;
MyColor firstColor = sub.GetColor(0, 0);
MyColor CenterColor = sub.GetColor(cX, cY);
for (int y = rect.top; y < moveheight; ++y)
{
for (int x = rect.left; x < movewidth; ++x)
{
MyColor curcolor = main.GetColor(x, y);
if (possiblepos.Count > 0)
{
foreach (var item in possiblepos.ToArray())
{
int xsub = x - item.X;
int ysub = y - item.Y;
if (xsub >= subwidth || ysub >= subheight || xsub < 0)
{
continue;
}
MyColor subcolor = sub.GetColor(xsub, ysub);
if (!curcolor.nearColor(subcolor, colorError))
{
possiblepos.Remove(item);
}
}
}
// add part
// we should not add pixel that will out of bound
if (x > maxX)
{
continue;
}
if (y > maxY)
{
continue;
}
// add if first pixel match
if (curcolor.nearColor(firstColor, colorError))
{
if (CenterColor.nearColor(main.GetColor(x + cX, y + cY), colorError))
{
possiblepos.Add(new Point(x, y));
}
}
}
if (flgSingle && (possiblepos.Count > 0))
{
if (y - subheight > possiblepos[0].Y)
{
//Console.WriteLine("found break");
break;
}
}
//Console.WriteLine("Y=" + y + " Count=" + possiblepos.Count);
}
return(possiblepos);
}
