/// <summary>
/// Cleans up gradient (removes redundant gradients stops).
/// </summary>
/// <param name="gradientStops">The gradient.</param>
private static void CleanUpGradient(GradientStopCollection gradientStops)
{
for (int i = gradientStops.Count - 2; i > 0; i--)
{
Color previousColor = gradientStops[i - 1].Color;
Color currentColor = gradientStops[i].Color;
Color nextColor = gradientStops[i + 1].Color;
if (previousColor == currentColor && currentColor == nextColor)
gradientStops.RemoveAt(i);
}
}
public void setColors(Canvas linearGradient, List <string> colors)
{
GradientStopCollection stops = _linearGradient.GradientStops;
for (int i = 0; i < colors.Count; i++)
{
GradientStop stop = i < stops.Count ? stops[i] : new GradientStop();
stop.Color = ColorHelpers.Parse(Convert.ToUInt32(colors[i]));
if (i < stops.Count)
{
stops.RemoveAt(i);
}
stops.Insert(i, stop);
}
_linearGradient.GradientStops = stops;
}
public void setLocations(Canvas linearGradient, List <float> locations)
{
if (locations != null)
{
GradientStopCollection stops = _linearGradient.GradientStops;
for (int i = 0; i < locations.Count; i++)
{
GradientStop stop = i < stops.Count ? stops[i] : new GradientStop();
stop.Offset = locations[i];
if (i < stops.Count)
{
stops.RemoveAt(i);
}
stops.Insert(i, stop);
}
_linearGradient.GradientStops = stops;
}
}
private void buttonRemove_Click(object sender, RoutedEventArgs e)
{
FormattedListBoxItem selectedItem =
listBoxGradientStopCollection.SelectedItem as FormattedListBoxItem;
if (selectedItem == null)
{
return;
}
int index = listBoxGradientStopCollection.SelectedIndex;
// Remove GradientStop
listBoxGradientStopCollection.Items.Remove(selectedItem);
listBoxGradientStopCollection.SelectedItem = null;
gradientStopCollection.RemoveAt(index);
// Update UI
SetPreviewSwatch();
SetEnabledButtons();
buttonSave.IsEnabled = true;
}