private void tangentsToolStripMenuItems_Click(object sender, EventArgs e)
{
ToolStripMenuItem item = (ToolStripMenuItem)sender;
// Set tangent type of curves.
// It assumes sender menuItem has a string like
// "EditCurveSelections, EditCurveTangent".
string[] texts = item.Tag.ToString().Split(new char[] { ',' });
EditCurveSelections selection = (EditCurveSelections)Enum.Parse(
typeof(EditCurveSelections), texts[0]);
EditCurveTangent tangent = (EditCurveTangent)Enum.Parse(
typeof(EditCurveTangent), texts[1]);
UpdateCurves(delegate(EditCurve curve)
{
curve.SetTangents(selection, tangent);
});
}
/// <summary>
/// Set specfied tangent type to selected tangents.
/// </summary>
/// <param name="targetTangent">target tangent (In/Out)</param>
/// <param name="tangentType"></param>
public void SetTangents(EditCurveSelections targetTangent,
EditCurveTangent tangentType)
{
if (!Editable)
{
return;
}
EnsureUpdating("SetTangents");
// Change tangent type of selcted nodes.
foreach (EditCurveKey key in selectedKeys.Values)
{
MarkModify(key);
if (tangentType == EditCurveTangent.Stepped)
{
SetKeyContinuity(key, CurveContinuity.Step);
}
else
{
SetKeyContinuity(key, CurveContinuity.Smooth);
if ((targetTangent & EditCurveSelections.TangentIn) != 0)
{
key.TangentInType = tangentType;
}
if ((targetTangent & EditCurveSelections.TangentOut) != 0)
{
key.TangentOutType = tangentType;
}
}
}
// Then, compute tangents.
foreach (EditCurveKey key in selectedKeys.Values)
{
ComputeTangents(keys.IndexOf(key));
}
}
/// <summary>
/// Convert EditCurveTanget to CurveTangent.
/// </summary>
/// <param name="tangent"></param>
/// <returns></returns>
private static CurveTangent Convert(EditCurveTangent tangent)
{
return (tangent == EditCurveTangent.Fixed) ?
CurveTangent.Flat : (CurveTangent)tangent;
}
/// <summary>
/// Set specfied tangent type to selected tangents.
/// </summary>
/// <param name="targetTangent">target tangent (In/Out)</param>
/// <param name="tangentType"></param>
public void SetTangents(EditCurveSelections targetTangent,
EditCurveTangent tangentType)
{
if (!Editable) return;
EnsureUpdating("SetTangents");
// Change tangent type of selcted nodes.
foreach (EditCurveKey key in selectedKeys.Values)
{
MarkModify(key);
if (tangentType == EditCurveTangent.Stepped)
{
SetKeyContinuity(key, CurveContinuity.Step);
}
else
{
SetKeyContinuity(key, CurveContinuity.Smooth);
if ((targetTangent & EditCurveSelections.TangentIn) != 0)
key.TangentInType = tangentType;
if ((targetTangent & EditCurveSelections.TangentOut) != 0)
key.TangentOutType = tangentType;
}
}
// Then, compute tangents.
foreach (EditCurveKey key in selectedKeys.Values)
ComputeTangents(keys.IndexOf(key));
}
/// <summary>
/// Convert EditCurveTanget to CurveTangent.
/// </summary>
/// <param name="tangent"></param>
/// <returns></returns>
private static CurveTangent Convert(EditCurveTangent tangent)
{
return((tangent == EditCurveTangent.Fixed) ?
CurveTangent.Flat : (CurveTangent)tangent);
}
