void IGraphicsRenderer.Render(GraphicsRenderContext context, ILayoutArea area)
{
_layoutArea = area;
const string ErrorMsg = "IGraphicsRenderer was configured improperly.";
CalendarContentRange content = area.ContentRange as CalendarContentRange;
if (content == null)
{
Trace.TraceError(ErrorMsg);
return;
}
CalendarDataRegion calendar = content.Owner as CalendarDataRegion;
if (calendar == null)
{
Trace.TraceError(ErrorMsg);
return;
}
if (context.DoContent)
{
Render(content, context.Canvas, new RectangleF(area.Left, area.Top, area.Width, area.Height));
}
}
public ImageInfo Render(ILayoutArea area, string mimeType, SizeF dpi)
{
var content = area.ContentRange as RtfControlContentRange;
var rtf = content.Info.Rtf;
var sizeInInches = new SizeF(area.Width / 1440, area.Height / 1440);
var stream = RtfRenderer.RenderToStream(rtf, sizeInInches);
return(new ImageInfo(stream, "image/emf"));
}
private void ProcessLayoutArea(ILayoutArea area)
{
Assert.IsNotNull(area);
Assert.IsNotNull(area.Children);
foreach (ILayoutArea child in area.Children)
{
if (child.ContentRange is CalendarContentRange)
{
// TODO - fix!!!
_graphicsRenderer.Render(new GraphicsRenderContext(this, GraphicsCanvasFactory.Create(GetGraphics()), new TextMetricsProvider(), RenderersFactory.Instance, null), child);
_calendarLayoutArea = child;
break;
}
}
}
void IGraphicsRenderer.Render(GraphicsRenderContext context, ILayoutArea area)
{
var reportItem = (SvgImage)area.ReportItem;
string svg = Convert.ToString(reportItem._properties.GetValue("Svg")).Trim();
var doc = new XmlDocument();
try
{
doc.LoadXml(svg);
}
catch (XmlException)
{
throw new Exception(Properties.Resources.ExceptionMessage);
}
var svgDocument = SvgDocument.Open(doc);
using (var renderer = new SvgRenderer(context, new RectangleF(area.Left, area.Top, area.Width, area.Height)))
svgDocument.Draw(renderer);
}
public ImageInfo RenderBackground(ILayoutArea layoutArea, string mimeType, SizeF dpi)
{
return(null);
}
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"));
}
}
private static RectangleF GetImageBounds(IReportItem reportItem, ILayoutArea layoutArea)
{
return(layoutArea != null
? new RectangleF(layoutArea.Left, layoutArea.Top, layoutArea.Width, layoutArea.Height)
: new RectangleF(reportItem.Left.ToTwips(), reportItem.Top.ToTwips(), reportItem.Width.ToTwips(), reportItem.Height.ToTwips()));
}
