private void PopulatePresets()
{
PresetInfo info;
ComboBox.ObjectCollection items = cbPresets.Items;
info = new PresetInfo("Blinds", "(rint(4*x-y*2) % 2) - x", "(abs(x+2*y) % 0.75)*10+y/5", "rint(sin(sqrt(x*x+y*y))*3/5)+x/3");
items.Add(info);
info = new PresetInfo("Bullseye", "1-rint(x/y*0.5)", "1-rint(y/x*0.4)", "rint(sin(sqrt(x*x+y*y)*10))");
items.Add(info);
info = new PresetInfo("Wave", "cos(x/2)/2", "cos(y/2)/3", "rint(sin(sqrt(x*x*x+y*y)*10))");
items.Add(info);
info = new PresetInfo("Swirls", "x*15", "cos(x*y*4900)", "y*15");
items.Add(info);
info = new PresetInfo("Mod", "(x ^2) % y", "y % x", "x % y");
items.Add(info);
info = new PresetInfo("Simple", "x", "y", "x+y");
items.Add(info);
cbPresets.SelectedIndex = 0;
}
private void cbPresets_SelectedIndexChanged(object sender, EventArgs e)
{
PresetInfo preset = (PresetInfo)cbPresets.SelectedItem;
this.tbRed.Text = preset.MyRed;
this.tbGreen.Text = preset.MyGreen;
this.tbBlue.Text = preset.MyBlue;
this.btnGenerate.Enabled = true;
this.tbRed.BackColor = Color.Empty;
this.tbGreen.BackColor = Color.Empty;
this.tbBlue.BackColor = Color.Empty;
}