|
public Draw ( |
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| g | Graphics to draw in. | |
| color | Color | Color to use for drawing. |
| rect | The rectange to fill. | |
| return | void | |
private void listBoxSymbols_DrawItem(object sender, DrawItemEventArgs e)
{
e.DrawBackground();
if (e.Index >= 0)
{
string id = (string)listBoxSymbols.Items[e.Index];
// Get bounds of where to draw the symbol and its text.
RectangleF symbolGraphicsBounds = e.Bounds;
symbolGraphicsBounds.Width = symbolGraphicsBounds.Height;
RectangleF textBounds = e.Bounds;
textBounds.X += symbolGraphicsBounds.Width + 4;
// Get color to draw with. Draw customize ones in red when not selected.
Color foreColor;
if ((e.State & DrawItemState.Selected) == 0 && TextIsCustomized(id))
{
foreColor = Color.Red;
}
else
{
foreColor = e.ForeColor;
}
// Draw the symbol.
SmoothingMode oldSmoothing = e.Graphics.SmoothingMode;
e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
Symbol symbol = symbolDB[id];
symbol.Draw(e.Graphics, foreColor, symbolGraphicsBounds);
e.Graphics.SmoothingMode = oldSmoothing;
// Draw the text. Use English if we're customizing text, otherwise use the set language.
string langId = useAsLocalizeTool ? "en" : LangId;
string text = symbol.GetName(langId);
StringFormat stringFormat = new StringFormat(StringFormat.GenericDefault);
stringFormat.Alignment = StringAlignment.Near;
stringFormat.LineAlignment = StringAlignment.Center;
e.Graphics.DrawString(text, e.Font, new SolidBrush(foreColor), textBounds, stringFormat);
}
e.DrawFocusRectangle();
}
// The images for given symbols are cached, so we only render each one once.
Image GetSymbolImage(Symbol symbol)
{
if (symbolImageCacheStandard != symbolDB.Standard)
{
symbolImageCacheStandard = symbolDB.Standard;
symbolImageCache.Clear();
}
if (!symbolImageCache.ContainsKey(symbol.Id))
{
// Create a bitmap and draw into it.
Bitmap bm = new Bitmap(symbol.IsWide ? boxSize * 8 : boxSize, boxSize);
Graphics g = Graphics.FromImage(bm);
g.Clear(Color.Transparent);
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
symbol.Draw(g, Color.Black, new RectangleF(0, 0, bm.Width, bm.Height));
g.Dispose();
symbolImageCache.Add(symbol.Id, bm);
}
return(symbolImageCache[symbol.Id]);
}
// The images for given symbols are cached, so we only render each one once.
Image GetSymbolImage(Symbol symbol)
{
if (!symbolImageCache.ContainsKey(symbol.Id)) {
// Create a bitmap and draw into it.
Bitmap bm = new Bitmap(symbol.IsWide ? boxSize * 8 : boxSize, boxSize);
Graphics g = Graphics.FromImage(bm);
g.Clear(Color.Transparent);
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
symbol.Draw(g, Color.Black, new RectangleF(0, 0, bm.Width, bm.Height));
g.Dispose();
symbolImageCache.Add(symbol.Id, bm);
}
return symbolImageCache[symbol.Id];
}
public void DrawSymbol(Symbol sym, RectangleF rect)
{
sym.Draw(g, Color.Black, rect);
}