static ColorRampConverter()
{
// populate
colorRampList = new ColorRampList();
ColorRampValueList valueList = new ColorRampValueList();
valueList.Add(0, Color.Red);
valueList.Add(50, Color.Blue);
valueList.Add(100, Color.Green);
valueList.Text = "RedBlueGreen";
colorRampList.Add(valueList.Text, valueList);
valueList = new ColorRampValueList();
valueList.Add(0, Color.Red);
valueList.Add(100, Color.Orange);
valueList.Text = "RedOrange";
colorRampList.Add(valueList.Text, valueList);
// add extended elements
valueList = new ColorRampValueList();
valueList.Add(0, Color.Red);
valueList.Add(20, Color.Orange);
valueList.Add(40, Color.Brown);
valueList.Add(60, Color.Cyan);
valueList.Add(80, Color.Magenta);
valueList.Add(100, Color.Empty);
valueList.Text = "Random values";
valueList.Style = ColorRampStyle.Discrete;
colorRampList.Add(valueList.Text, valueList);
valueList = new ColorRampValueList();
valueList.Text = "Empty";
colorRampList.Add(valueList.Text, valueList);
valueList = new ColorRampValueList();
valueList.Text = "New color ramp ...";
colorRampList.Add(valueList.Text, valueList);
}
/// <summary>
/// Constructs a new NewColorRampForm class.
/// </summary>
public ColorRampForm(ColorRampEditor editor, string key)
{
this.editor = editor;
InitializeComponent();
if (key != null && ColorRampConverter.ColorRampList.ContainsKey(key))
{
values = ColorRampConverter.ColorRampList[key];
this.Text = "Edit Colour Ramp";
textBoxName.Text = key;
textBoxName.Enabled = false;
if (values.ContainsKey(0))
{
colorPickerStart.Value = values[0];
}
if (values.ContainsKey(100))
{
colorPickerEnd.Value = values[100];
}
}
else
{
values = new ColorRampValueList();
values.Add(0, colorPickerStart.Value);
values.Add(100, colorPickerEnd.Value);
}
comboBoxStyle.DataSource = Enum.GetValues(typeof(ColorRampStyle));
comboBoxStyle.SelectedItem = ColorRampStyle.Gradient;
UpdateState();
UpdatePreview();
}
private void buttonOK_Click(object sender, EventArgs e)
{
double value;
if (!Double.TryParse(textBoxOffset.Text, out value) || value < 0 || value > 100)
{
MessageBox.Show("Invalid offset value",
"MapManager", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
if (index >= 0)
{
double key = values.Keys[index];
values.Remove(key);
}
else if (values.ContainsKey(value))
{
values.Remove(value);
}
values.Add(value, colorPickerStopColor.Value);
DialogResult = DialogResult.OK;
this.Close();
}
private void colorPickerStart_ValueChanged(object sender, EventArgs e)
{
values.Remove(0);
values.Add(0, colorPickerStart.Value);
UpdatePreview();
}