private void listViewLUTItem_SelectedIndexChanged(object sender, EventArgs e)
{
RefreshItemButton();
if (this.listViewLUTItem.SelectedItems.Count > 0)
{
LUTItem item = this.listViewLUTItem.SelectedItems[0].Tag as LUTItem;
if (item == null)
{
return;
}
this.textBoxSourceValue.Text = item.SourceValue;
this.textBoxTargetValue.Text = item.TargetValue;
this.buttonModifyItem.Enabled = false;
this.buttonAddItem.Enabled = false;
}
else
{
this.textBoxSourceValue.Text = "";
this.textBoxTargetValue.Text = "";
this.buttonModifyItem.Enabled = false;
this.buttonAddItem.Enabled = false;
}
}
private void ModifyItem()
{
string strSource = this.textBoxSourceValue.Text;
string strTarget = this.textBoxTargetValue.Text;
if (strSource.Length < 1 && strTarget.Length < 1)
{
return;
}
if (this.listViewLUTList.SelectedItems.Count < 1)
{
return;
}
LUTItemMgt lut = this.listViewLUTList.SelectedItems[0].Tag as LUTItemMgt;
if (lut == null)
{
return;
}
if (this.listViewLUTItem.SelectedItems.Count < 1)
{
return;
}
LUTItem item = this.listViewLUTItem.SelectedItems[0].Tag as LUTItem;
if (item == null)
{
return;
}
LUTItem newItem = new LUTItem();
newItem.SourceValue = strSource;
newItem.TargetValue = strTarget;
if (!CheckRepeat(newItem))
{
return;
}
item.SourceValue = strSource;
item.TargetValue = strTarget;
if (lut.Update(item))
{
lut.ReloadLUT();
RefreshItemList(lut);
ListViewSelectItem(item);
}
else
{
MessageBox.Show(this, "Modify look up table item failed.",
"Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void ListViewAddItem(LUTItem item)
{
if (item == null)
{
return;
}
int index = this.listViewLUTItem.Items.Count + 1;
ListViewItem i = this.listViewLUTItem.Items.Add(index.ToString());
i.SubItems.Add(item.SourceValue);
i.SubItems.Add(item.TargetValue);
i.Tag = item;
}
private void ListViewSelectItem(LUTItem item)
{
if (item == null)
{
return;
}
foreach (ListViewItem i in this.listViewLUTItem.Items)
{
LUTItem lutItem = i.Tag as LUTItem;
if (lutItem.SourceValue == item.SourceValue &&
lutItem.TargetValue == item.TargetValue)
{
i.Selected = true;
i.EnsureVisible();
break;
}
}
}
private static double EmulatedLinExpConvert(double x)
{
//This works assuming that the LUT is in order.
LUTItem minBound = _02rFaderLUT.LastOrDefault(y => y.y <= x);
LUTItem maxBound = _02rFaderLUT.FirstOrDefault(y => y.y > x);
//Edge case
if (x >= 1)
{
return(minBound.x);
}
//Interpolate
double xfrac = (x - minBound.y) / (maxBound.y - minBound.y);
double interp = minBound.x * (1 - xfrac) + maxBound.x * xfrac;
return(interp);
}
private bool CheckRepeat(LUTItem newItem)
{
if (newItem == null)
{
return(false);
}
foreach (ListViewItem i in this.listViewLUTItem.Items)
{
LUTItem lutItem = i.Tag as LUTItem;
if (lutItem.SourceValue == newItem.SourceValue &&
lutItem.TargetValue == newItem.TargetValue)
{
MessageBox.Show(this, "Item (Source=\"" + lutItem.SourceValue + "\",Target=\"" + lutItem.TargetValue + "\") has already existed in the look up table",
"Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(false);
}
}
return(true);
}
private void DeleteItem()
{
if (this.listViewLUTList.SelectedItems.Count < 1)
{
return;
}
LUTItemMgt lut = this.listViewLUTList.SelectedItems[0].Tag as LUTItemMgt;
if (lut == null)
{
return;
}
if (this.listViewLUTItem.SelectedItems.Count < 1)
{
return;
}
LUTItem item = this.listViewLUTItem.SelectedItems[0].Tag as LUTItem;
if (item == null)
{
return;
}
if (lut.Delete(item))
{
lut.ReloadLUT();
RefreshItemList(lut);
RefreshItemButton();
}
else
{
MessageBox.Show(this, "Delete look up table item failed.",
"Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}