/// <summary>
/// Get gradient fill information for this hatch. If the "GradientType" for
/// the fill is None, then this hatch doesn't have any gradient fill.
/// </summary>
/// <returns></returns>
/// <since>7.0</since>
public Rhino.Display.ColorGradient GetGradientFill()
{
IntPtr const_ptr_this = ConstPointer();
IntPtr ptrColorStopArray = UnsafeNativeMethods.ON_ColorStopArray_New();
Point3d startPoint = new Point3d();
Point3d endPoint = new Point3d();
int gradientType = 0;
double repeat = 0;
int stopCount = UnsafeNativeMethods.ON_Hatch_GetGradientData(const_ptr_this, ref startPoint, ref endPoint, ref gradientType, ref repeat, ptrColorStopArray);
var rc = new Rhino.Display.ColorGradient();
rc.StartPoint = startPoint;
rc.EndPoint = endPoint;
rc.GradientType = (Display.GradientType)gradientType;
rc.Repeat = repeat;
Display.ColorStop[] stops = new Display.ColorStop[stopCount];
for (int i = 0; i < stopCount; i++)
{
int argb = 0;
double t = 0;
UnsafeNativeMethods.ON_ColorStopArray_Get(ptrColorStopArray, i, ref argb, ref t);
var color = System.Drawing.Color.FromArgb(argb);
stops[i] = new Display.ColorStop(color, t);
}
rc.SetColorStops(stops);
UnsafeNativeMethods.ON_ColorStopArray_Delete(ptrColorStopArray);
return(rc);
}
/// <summary>
/// </summary>
/// <param name="fill"></param>
/// <since>7.0</since>
public void SetGradientFill(Rhino.Display.ColorGradient fill)
{
IntPtr ptr_this = NonConstPointer();
if (null == fill)
{
UnsafeNativeMethods.ON_Hatch_SetGradientData(ptr_this, Point3d.Unset, Point3d.Unset, (int)Rhino.Display.GradientType.None, 0, IntPtr.Zero);
return;
}
var stops = fill.GetColorStops();
IntPtr ptrColorStopArray = UnsafeNativeMethods.ON_ColorStopArray_New();
foreach (var stop in stops)
{
int argb = stop.Color.ToArgb();
UnsafeNativeMethods.ON_ColorStopArray_Append(ptrColorStopArray, argb, stop.Position);
}
UnsafeNativeMethods.ON_Hatch_SetGradientData(ptr_this, fill.StartPoint, fill.EndPoint, (int)fill.GradientType, fill.Repeat, ptrColorStopArray);
UnsafeNativeMethods.ON_ColorStopArray_Delete(ptrColorStopArray);
}
