static int OnGetColor(int serialNumber, Point3d uvw, Vector3d duvwdx, Vector3d duvwdy, ref Display.Color4f color)
{
int rc = 0;
TextureEvaluator eval = FromSerialNumber(serialNumber);
if (eval != null)
{
Display.Color4f c = eval.GetColor(uvw, duvwdx, duvwdy);
if (c != Display.Color4f.Empty)
{
color = c;
rc = 1;
}
}
return(rc);
}
public virtual Display.Color4f GetColor(Point3d uvw, Vector3d duvwdx, Vector3d duvwdy)
{
if (m_runtime_serial_number > 0)
{
return(Display.Color4f.Empty);
}
IntPtr pConstThis = ConstPointer();
Display.Color4f rc = new Display.Color4f();
if (!UnsafeNativeMethods.Rdk_TextureEvaluator_GetColor(pConstThis, uvw, duvwdx, duvwdy, ref rc))
{
return(Display.Color4f.Empty);
}
return(rc);
}
/// <summary>
/// Displays the standard modal color picker dialog for floating point colors.
/// </summary>
/// <param name="parent">Parent window for this dialog, should always pass this if calling from a form or user control.</param>
/// <param name="color">The initial color to set the picker to and also accepts the user's choice.</param>
/// <param name="allowAlpha">Specifies if the color picker should allow changes to the alpha channel or not.</param>
/// <returns>true if a color was picked, false if the user canceled the picker dialog.</returns>
public static bool ShowColorDialog(System.Windows.Forms.IWin32Window parent, ref Display.Color4f color, bool allowAlpha)
{
if (null == parent)
{
parent = RhinoApp.MainWindow();
}
IntPtr handle_parent = IntPtr.Zero;
if (null != parent)
{
handle_parent = parent.Handle;
}
Display.Color4f c = Display.Color4f.Empty;
bool rc = (1 == UnsafeNativeMethods.Rdk_Globals_ShowColorPicker(handle_parent, color, allowAlpha, ref c));
if (rc)
{
color = c;
}
return(rc);
}
public virtual Display.Color4f GetColor(Point3d uvw, Vector3d duvwdx, Vector3d duvwdy)
{
if (m_runtime_serial_number > 0)
return Display.Color4f.Empty;
IntPtr pConstThis = ConstPointer();
Display.Color4f rc = new Display.Color4f();
if (!UnsafeNativeMethods.Rdk_TextureEvaluator_GetColor(pConstThis, uvw, duvwdx, duvwdy, ref rc))
return Display.Color4f.Empty;
return rc;
}
/// <summary>
/// Displays the standard modal color picker dialog for floating point colors.
/// </summary>
/// <param name="color">The initial color to set the picker to and also accepts the user's choice.</param>
/// <param name="allowAlpha">Specifies if the color picker should allow changes to the alpha channel or not.</param>
/// <returns>true if a color was picked, false if the user canceled the picker dialog.</returns>
public static bool ShowColorDialog(ref Display.Color4f color, bool allowAlpha)
{
return(ShowColorDialog(null, ref color, allowAlpha));
}
