public System.Drawing.Image RenderChart(Rdl.Runtime.Context context, int width, int height, decimal xMult, decimal yMult)
{
if (width <= 0 || height <= 0)
{
return(null);
}
Bitmap bm = new Bitmap(width, height);
Graphics g = Graphics.FromImage(bm);
g.PageUnit = GraphicsUnit.Pixel;
int t = 0;
int l = 0;
int w = width;
int h = height;
if (context.Rows.Count == 0)
{
g.FillRectangle(new SolidBrush(Style.W32Color(Style.BackgroundColor(context))),
new System.Drawing.Rectangle(0, 0, w, h));
g.DrawString("No Data", Style.GetWindowsFont(context), new SolidBrush(Style.W32Color(Style.Color(context))), new Point(0, 0));
return(bm);
}
System.Drawing.Rectangle clipRect = new System.Drawing.Rectangle(l, t, w, h);
if (Style.BackgroundColor(context) != null)
{
g.FillRectangle(new SolidBrush(Style.W32Color(Style.BackgroundColor(context))),
clipRect);
}
if (Style.BorderWidth != null)
{
Rdl.Render.Drawing.DrawBorder(g, new System.Drawing.Rectangle(l, t, w, h),
new Rdl.Render.BorderWidth(Style.BorderWidth, context),
new Rdl.Render.BorderStyle(Style.BorderStyle, context),
new Rdl.Render.BorderColor(Style.BorderColor, context),
xMult, yMult);
}
if (Style != null)
{
l += (int)(Style.PaddingLeft(context).points *xMult);
t += (int)(Style.PaddingTop(context).points *yMult);
w -= (int)((Style.PaddingLeft(context).points + Style.PaddingRight(context).points) * xMult);
h -= (int)((Style.PaddingTop(context).points + Style.PaddingBottom(context).points) * yMult);
}
// Draw in the title.
if (_title != null)
{
_title.DrawAtTop(g, context, ref l, ref t, ref w, ref h);
}
// Get the categories.
if (_categoryGrouping != null)
{
_categories = _categoryGrouping.GetCategories(context, null);
_leafCategories = _categories.LeafCategories;
}
// Get the series
if (_seriesGrouping != null)
{
_seriesList = _seriesGrouping.GetSeriesList(context, null);
_leafSeriesList = _seriesList.LeafSeriesList;
}
// Draw in the Legend
DrawLegend(context, g, bm, ref l, ref t, ref w, ref h, (_type == TypeEnum.Pie), xMult, yMult);
// Draw the chart.
switch (_type)
{
case TypeEnum.Area:
break;
case TypeEnum.Bar:
Type.Bar barChart = new Type.Bar(this, context, g, l, t, w, h);
break;
case TypeEnum.Bubble:
break;
case TypeEnum.Column:
Type.Column columnChart = new Type.Column(this, context, g, l, t, w, h);
break;
case TypeEnum.Doughnut:
break;
case TypeEnum.Line:
Type.Line lineChart = new Type.Line(this, context, g, l, t, w, h);
break;
case TypeEnum.Pie:
break;
case TypeEnum.Scatter:
break;
case TypeEnum.Stock:
break;
}
return(bm);
}