public override void Paint(PaintEventArgs pe)
{
if (PaintSelectionOnly(pe))
{
base.Paint(pe);
return;
}
pe.Graphics.FillRectangle(BackgroundBrush, Bounds);
using (var nonScaledImage = new Bitmap(Bounds.Width, Bounds.Height))
{
nonScaledImage.SetResolution(pe.Graphics.DpiX, pe.Graphics.DpiY);
using (var chart = new System.Windows.Forms.DataVisualization.Charting.Chart {
Dock = DockStyle.Fill, Size = Bounds.Size
})
{
var chartArea = new ChartArea("Main");
chart.ChartAreas.Add(chartArea);
// Create series and add it to the chart
var seriesColumns = new Series("RandomColumns");
// Add 10 random values to the series
var random = new Random(0);
for (int i = 0; i < 10; i++)
{
seriesColumns.Points.Add(random.Next(100));
}
seriesColumns.ChartType = SeriesChartType.Radar;
chart.Series.Add(seriesColumns);
chart.DrawToBitmap(nonScaledImage, new Rectangle(Point.Empty, Bounds.Size));
}
pe.Graphics.DrawImageUnscaled(nonScaledImage, Bounds.Location);
}
base.Paint(pe);
}
private bool LoadPieChart(Chart pieChart, List<GeoSoft.Plugins.Interpolation.Classes.TempPIEChartData> pieChartData)
{
pieChart.Series.Clear();
pieChart.Palette = ChartColorPalette.Fire;
pieChart.ChartAreas[0].BackColor = Color.Transparent;
Series series1 = new Series
{
Name = "series1",
IsVisibleInLegend = true,
Color = System.Drawing.Color.Green,
ChartType = SeriesChartType.Pie
};
pieChart.Series.Add(series1);
foreach (var item in pieChartData)
{
var p = series1.Points.Add(item.Count);
p.Color = item.Color;
}
pieChart.Invalidate();
panelChart.Controls.Add(pieChart);
Bitmap bmp = new Bitmap(panelChart.Width, panelChart.Height);
pieChart.DrawToBitmap(bmp, panelChart.ClientRectangle);
return true;
}
ImageInfo IImageRenderer.Render(ILayoutArea layoutArea, string mimeType, SizeF dpi)
{
var reportItem = layoutArea.ReportItem;
var customData = ((ICustomReportItem)reportItem).CustomData;
if (customData == null)
{
return(new ImageInfo());
}
if (customData.DataRowGroupings == null || customData.DataRowGroupings.Count != 1)
{
return(new ImageInfo());
}
var values = new List <double>(customData.DataRowGroupings[0].Count);
// read the values from nested data members
foreach (DataMember member in customData.DataRowGroupings[0])
{
double value;
if (ReadValue(member, out value)) // we have to check that there is corresponding property to read series value
{
values.Add(value);
}
}
var bounds = GetImageBounds(reportItem, layoutArea);
if (dpi.IsEmpty)
{
dpi = new SizeF(Resolution.Width, Resolution.Height);
}
var imageSize = new Size(FromTwipsToPixels(bounds.Width, dpi.Width), FromTwipsToPixels(bounds.Height, dpi.Height));
if (imageSize.Width == 0 || imageSize.Height == 0)
{
return(new ImageInfo());
}
using (var nonScaledImage = new Bitmap(imageSize.Width, imageSize.Height))
{
nonScaledImage.SetResolution(dpi.Width, dpi.Height);
using (var chart = new System.Windows.Forms.DataVisualization.Charting.Chart {
Dock = DockStyle.Fill, Size = imageSize
})
{
var chartArea = new ChartArea("Main");
chart.ChartAreas.Add(chartArea);
// Create series and add it to the chart
var seriesColumns = new Series("Columns");
foreach (var val in values)
{
seriesColumns.Points.Add(Convert.ToDouble(val));
}
seriesColumns.ChartType = SeriesChartType.Radar;
chart.Series.Add(seriesColumns);
chart.DrawToBitmap(nonScaledImage, new Rectangle(Point.Empty, imageSize));
}
var stream = new MemoryStream();
nonScaledImage.Save(stream, ImageFormat.Png);
stream.Flush();
stream.Position = 0;
return(new ImageInfo(stream, "image/png"));
}
}