private void DrawPreview()
{
System.Drawing.Graphics gr = System.Drawing.Graphics.FromHwnd(panelPreview.Handle);
Rectangle rect = new Rectangle(0, 0, panelPreview.Width, panelPreview.Height);
using (SolidBrush brush = new SolidBrush(Color.White))
{
gr.FillRectangle(brush, rect);
}
using (Pen pen = new Pen(Color.Gray, 0))
{
pen.DashStyle = System.Drawing.Drawing2D.DashStyle.Dot;
gr.DrawLine(pen, 0, rect.Height / 2, rect.Width, rect.Height / 2);
gr.DrawLine(pen, rect.Width / 2, 0, rect.Width / 2, rect.Height);
}
if (_renderer.TextSymbol is ISymbol)
{
_renderer.TextSymbol.Text = "Label";
SymbolPreview.Draw(gr, rect, (ISymbol)_renderer.TextSymbol, false);
}
gr.Dispose();
gr = null;
}
private void RendererBox_DrawItem(object sender, DrawItemEventArgs e)
{
if (e.Index >= RendererBox.Items.Count || e.Index < 0)
{
return;
}
object item = RendererBox.Items[e.Index];
if (item is RendererItem)
{
SolidBrush b, f;
if ((e.State & DrawItemState.Selected) != 0)
{
b = (SolidBrush)Brushes.DarkBlue;
f = (SolidBrush)Brushes.White;
}
else
{
b = (SolidBrush)Brushes.White;
f = (SolidBrush)Brushes.Black;
}
using (System.Drawing.Font font = new Font("Arial", 10))
{
e.Graphics.FillRectangle(b, e.Bounds);
Rectangle rect = new Rectangle(e.Bounds.X + 20, e.Bounds.Y, e.Bounds.Width, e.Bounds.Height);
e.Graphics.DrawString(item.ToString(), font, f, rect);
rect = new Rectangle(5, e.Bounds.Y + 2, 11, 11);
e.Graphics.DrawImage(
(((RendererItem)item).ShowLegend ?
global::gView.Carto.Rendering.UI.Properties.Resources.CollapseIcon :
global::gView.Carto.Rendering.UI.Properties.Resources.ExpandIcon),
rect);
}
}
else if (item is LegendItem)
{
Rectangle rect = new Rectangle(20, e.Bounds.Top, 30, 20);
ILegendItem legendItem = ((LegendItem)item).Item;
if (legendItem != null)
{
if (legendItem is ISymbol)
{
SymbolPreview.Draw(e.Graphics, rect, (ISymbol)legendItem);
}
if (legendItem.LegendLabel != String.Empty)
{
using (Font font = new Font("Arial", 9))
{
e.Graphics.DrawString(legendItem.LegendLabel, font, Brushes.Black, 52, e.Bounds.Top + e.Bounds.Height / 2 - font.Height / 2);
SizeF stringSize = e.Graphics.MeasureString(legendItem.LegendLabel, font);
RendererBox.HorizontalExtent = (int)Math.Max(RendererBox.HorizontalExtent, 52 + stringSize.Width);
}
}
}
}
}
public override void PaintValue(PaintValueEventArgs e)
{
if (!(e.Value is ISymbol))
{
return;
}
SymbolPreview.Draw(e.Graphics, e.Bounds, (ISymbol)e.Value);
}
private void btnTextSymbol_Paint(object sender, PaintEventArgs e)
{
if (_renderer == null)
{
return;
}
SymbolPreview.Draw(
e.Graphics,
new Rectangle(5, 5, btnTextSymbol.Width - 10, btnTextSymbol.Height - 10),
((DimensionRenderer)_renderer).TextSymbol, false);
}
public void addSymbol(ISymbol symbol, string[] labels, object userObject)
{
Bitmap bm = new Bitmap(imageList1.ImageSize.Width, imageList1.ImageSize.Height);
System.Drawing.Graphics gr = System.Drawing.Graphics.FromImage(bm);
SymbolPreview.Draw(gr, new Rectangle(0, 0, bm.Width, bm.Height), symbol);
gr.Dispose();
gr = null;
imageList1.Images.Add(bm);
list.Items.Add(new SymbolListViewItem(symbol, labels, imageList1.Images.Count - 1, userObject));
}
private void btnChooseLineSymbol_Paint(object sender, PaintEventArgs e)
{
if (_renderer == null)
{
return;
}
SymbolPreview.Draw(
e.Graphics,
new Rectangle(5, 5, btnChooseSymbol.Width - 10, btnChooseSymbol.Height - 10),
_renderer[geometryType.Polyline], false);
}
private void btnChooseSymbol_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
if (_renderer == null)
{
return;
}
SymbolPreview.Draw(
e.Graphics,
new Rectangle(5, 5, btnChooseSymbol.Width - 10, btnChooseSymbol.Height - 10),
((IFeatureRenderer2)_renderer).Symbol, false);
}
private void btnChooseSwitchOffSymbol_Paint(object sender, PaintEventArgs e)
{
if (_renderer == null)
{
return;
}
ISymbol symbol = _renderer[NetworkRenderer.RendererType.SwitchesOff];
if (symbol != null)
{
SymbolPreview.Draw(
e.Graphics,
new Rectangle(5, 5, btnChooseSwitchOffSymbol.Width - 10, btnChooseSwitchOffSymbol.Height - 10),
symbol, false);
}
}
private void lbSymbols_DrawItem(object sender, System.Windows.Forms.DrawItemEventArgs e)
{
int index = 0;
using (Font font = new Font("Arial", 9f))
{
StringFormat format = new StringFormat();
format.Alignment = StringAlignment.Far;
foreach (SymbolCollectionItem item in lbSymbols.Items)
{
try
{
if (e.Index == index)
{
e.Graphics.DrawString((index + 1).ToString() + ":", font, Brushes.Black, 20f, e.Bounds.Top + 3, format);
e.Graphics.DrawImage(
iList.Images[((item.Visible) ? 1 : 0)],
20, e.Bounds.Top + e.Bounds.Height / 2 - 10, 19, 20);
Rectangle rect = new Rectangle(
e.Bounds.X + 42, e.Bounds.Y,
e.Bounds.Width - 43, e.Bounds.Height);
if (item.Symbol == _selectedSymbol)
{
using (SolidBrush brush = new SolidBrush(Color.BlueViolet))
{
e.Graphics.FillRectangle(brush, rect);
}
}
using (Pen pen = new Pen(Color.Gray))
{
e.Graphics.DrawRectangle(pen, rect);
}
rect.X += 1;
rect.Y += 1;
rect.Width -= 2;
rect.Height -= 2;
SymbolPreview.Draw(e.Graphics, rect, item.Symbol, false);
}
}
catch { }
index++;
}
}
}
private void list_MouseDown(object sender, MouseEventArgs e)
{
ListViewItem item = list.GetItemAt(4, e.Y);
if (!(item is SymbolListViewItem))
{
return;
}
if (e.X < imageList1.ImageSize.Width)
{
ISymbol symbol = ((SymbolListViewItem)item).Symbol;
if (OnSymbolClicked != null)
{
OnSymbolClicked(symbol);
Image image = imageList1.Images[item.ImageIndex];
using (System.Drawing.Graphics gr = System.Drawing.Graphics.FromImage(image))
{
SymbolPreview.Draw(gr, new Rectangle(0, 0, image.Width, image.Height), symbol, true);
imageList1.Images[item.ImageIndex] = image;
}
list.Refresh();
}
else
{
ISymbol s = (symbol is INullSymbol) ? RendererFunctions.CreateStandardSymbol(((INullSymbol)symbol).GeomtryType) : (ISymbol)symbol.Clone();
FormSymbol dlg = new FormSymbol(s);
if (dlg.ShowDialog() == DialogResult.OK)
{
Image image = imageList1.Images[item.ImageIndex];
using (System.Drawing.Graphics gr = System.Drawing.Graphics.FromImage(image))
{
SymbolPreview.Draw(gr, new Rectangle(0, 0, image.Width, image.Height), dlg.Symbol, true);
imageList1.Images[item.ImageIndex] = image;
if (OnSymbolChanged != null)
{
OnSymbolChanged(item.Text, dlg.Symbol);
}
}
((SymbolListViewItem)item).Symbol = dlg.Symbol;
}
}
if (_box.Visible)
{
HideBox();
}
}
else
{
int w = 0;
bool showBox = false;
foreach (ColumnHeader col in list.Columns)
{
w += col.Width;
if (e.X < w)
{
if (col.Index == 0 && OnKeyChanged == null)
{
break;
}
if (col.Index > 0 && OnLabelChanged == null)
{
break;
}
Rectangle rect = item.Bounds;
rect.X = 3 + w - col.Width + ((col.Index == 0) ? imageList1.ImageSize.Width : 0);
rect.Y = 3 + rect.Top + rect.Height / 2 - _box.Height / 2;
rect.Width = col.Width - ((col.Index == 0) ? imageList1.ImageSize.Width : 0);
rect.Height = _box.Height;
if (_box.Visible == true)
{
HideBox();
}
_box.Bounds = rect;
_box.Text = item.SubItems[col.Index].Text;
_box.Visible = true;
_box.Focus();
_labelEditItem = (SymbolListViewItem)item;
_labelEditIndex = col.Index;
showBox = true;
break;
}
}
if (showBox == false && _box.Visible == true)
{
HideBox();
_labelEditIndex = 0;
}
}
}
//private void btnMidSymbol_Paint(object sender, PaintEventArgs e)
//{
// SymbolPreview.Draw(e.Graphics,
// new Rectangle(0, 0, btnMidSymbol.Width, btnMidSymbol.Height),
// _midSymbol);
//}
private void btnMaxSymbol_Paint(object sender, PaintEventArgs e)
{
SymbolPreview.Draw(e.Graphics,
new Rectangle(0, 0, btnMaxSymbol.Width, btnMaxSymbol.Height),
_maxSymbol);
}
