protected override void ImageMouseDown(int x0, int y0, MouseButtons buttons)
{
base.ImageMouseDown(x0, y0, buttons);
_mouseDownOrigin = Origin;
_mouseDownRotMat = RotMat;
_mouseDownInvMat = _mouseDownRotMat.Inverse();
}
public static void WriteSingle3x3(this XmlElement rootElement, string name, Single3x3 value)
{
XmlElement element = rootElement.GetOrCreateElement(name);
element.WriteSingle(_XXId, value.XX);
element.WriteSingle(_XYId, value.XY);
element.WriteSingle(_XZId, value.XZ);
element.WriteSingle(_YXId, value.YX);
element.WriteSingle(_YYId, value.YY);
element.WriteSingle(_YZId, value.YZ);
element.WriteSingle(_ZXId, value.ZX);
element.WriteSingle(_ZYId, value.ZY);
element.WriteSingle(_ZZId, value.ZZ);
}
protected void PictureRotating(int x0, int y0, int dx, int dy)
{
int x1 = x0 + dx;
int y1 = y0 + dy;
double w2 = pictureBox.Width / 2d;
double h2 = pictureBox.Height / 2d;
double dx1 = ToDouble(x1 - w2);
double dy1 = ToDouble(y1 - h2);
double dx0 = ToDouble(x0 - w2);
double dy0 = ToDouble(y0 - h2);
double wh = Min(w2, h2);
double a = (Atan(dx1 / wh) - Atan(dx0 / wh)).ToDegrees();
double b = (Atan(dy1 / wh) - Atan(dy0 / wh)).ToDegrees();
Single3x3 RotZ = new Single3x3(new Single3(0f, 0f, 1f), ToSingle(a));
Single3x3 RotX = new Single3x3(new Single3(1f, 0f, 0f), ToSingle(b));
RotMat = RotX * (RotZ * _mouseDownRotMat);
}
public void SwapTopBottom()
{
RotMat = new Single3x3(1, 0, 0, 0, 1, 0, 0, 0, -1) * RotMat;
}
public void SwapFrontRear()
{
RotMat = new Single3x3(1, 0, 0, 0, -1, 0, 0, 0, 1) * RotMat;
}
public void SwapLeftRight()
{
RotMat = new Single3x3(-1, 0, 0, 0, 1, 0, 0, 0, 1) * RotMat;
}
private void SetRotMat(Single3x3 value)
{
_rotMat = value.Orthogonalize(new Single3x3(1));
RefreshImage();
RotMatChanged?.Invoke(this, new EventArgs());
}
public static Single3x3 ReadSingle3x3(this XmlElement rootElement, string name, Single3x3 defaultValue)
{
XmlElement element = rootElement.GetOrCreateElement(name);
float xx = element.ReadSingle(_XXId, defaultValue.XX);
float xy = element.ReadSingle(_XYId, defaultValue.XY);
float xz = element.ReadSingle(_XZId, defaultValue.XZ);
float yx = element.ReadSingle(_YXId, defaultValue.YX);
float yy = element.ReadSingle(_YYId, defaultValue.YY);
float yz = element.ReadSingle(_YZId, defaultValue.YZ);
float zx = element.ReadSingle(_ZXId, defaultValue.ZX);
float zy = element.ReadSingle(_ZYId, defaultValue.ZY);
float zz = element.ReadSingle(_ZZId, defaultValue.ZZ);
return(new Single3x3(xx, xy, xz, yx, yy, yz, zx, zy, zz));
}