public bool InitializeDocument(params object[] args)
{
if (args.Length == 0 || (args[0] != null && !(args[0] is GridStyle)))
{
return(false);
}
bool isVirgin = null == _doc;
_doc = (GridStyle)args[0];
_tempdoc = _doc;
if (_useDocument == UseDocument.Copy && null != _doc)
{
_tempdoc = (GridStyle)_doc.Clone();
}
if (null == _doc)
{
_doc = _tempdoc = new GridStyle();
_tempdoc.ShowGrid = false;
_useDocument = UseDocument.Directly;
}
Initialize(true);
return(true);
}
private void StyleButton_Click(object sender, System.EventArgs e)
{
if (_mStyle == null)
{
MessageBox.Show("Please click GridInfo before clicking Style.");
return;
}
GridStyle aStyle = _mStyle.Clone() as GridStyle;
GridStyleForm f = new GridStyleForm();
f.AlphaTextBox.Text = aStyle.Alpha.ToString();
f.BrightnessBox.Text = aStyle.Brightness.ToString();
f.ContrastBox.Text = aStyle.Contrast.ToString();
f.GrayScale.CheckState = (aStyle.Grayscale) ? CheckState.Checked : CheckState.Unchecked;
f.Transparency.CheckState = (aStyle.Transparent) ? CheckState.Checked : CheckState.Unchecked;
f.DisplayHillshade.CheckState = (aStyle.DisplayHillshade) ? CheckState.Checked : CheckState.Unchecked;
f.TransparentColor.BackColor = aStyle.TransparentColor;
if (f.ShowDialog() == DialogResult.OK)
{
aStyle.Alpha = int.Parse(f.AlphaTextBox.Text);
aStyle.Brightness = int.Parse(f.BrightnessBox.Text);
aStyle.Contrast = int.Parse(f.ContrastBox.Text);
aStyle.Grayscale = f.GrayScale.CheckState == CheckState.Checked ? true : false;
aStyle.Transparent = (f.Transparency.CheckState == CheckState.Checked) ? true : false;
aStyle.DisplayHillshade = (f.DisplayHillshade.CheckState == CheckState.Checked) ? true : false;
aStyle.TransparentColor = f.TransparentColor.BackColor;
// this composite style will affect the raster as intended
CompositeStyle csRaster = new CompositeStyle(aStyle);
FeatureOverrideStyleModifier fosm =
new FeatureOverrideStyleModifier("Style Mod", csRaster);
FeatureStyleModifiers modifiers = _lyr.Modifiers;
modifiers.Clear();
modifiers.Append(fosm);
}
}
