/// <summary>
/// Renders a calendar content range to the canvas.
/// </summary>
/// <param name="content">the content to render</param>
/// <param name="canvas">the drawing canvas to use</param>
/// <param name="rect">the calendar rectangle</param>
public void Render(CalendarContentRange content, IDrawingCanvas canvas, RectangleF rect)
{
if (content == null)
{
throw new ArgumentNullException("content");
}
if (canvas == null)
{
throw new ArgumentNullException("canvas");
}
_calendarData = new CalendarData((ICalendar)content.Owner);
this._rightToLeft = ((ICalendar)content.Owner).Direction == Direction.RTL;
try
{
// store the canvas to use in rendering
_canvas = canvas;
// TODO: consider to add gaps
// allocate the area for calendar drawing
_calendarArea = rect;
// allocate the area for only one month
_monthArea = new SizeF(content.Owner.Width.ToTwips(), content.Owner.Height.ToTwips());
DrawMonths(CalendarData.GetMonthsRange(content.MonthFrom, content.MonthTo));
}
finally
{
if (_calendarData != null)
{
_calendarData.Dispose();
}
}
}
public void CalendarRenderWithNoDataBound()
{
PageDocument report = TestHelper.GetReport("Calendar-NoData.rdlx");
TestingRenderingExtension rendererExt = new TestingRenderingExtension();
report.Render(rendererExt, null);
CalendarDataRegion calendar = rendererExt.GetReportItem("Calendar1") as CalendarDataRegion;
Assert.IsNotNull(calendar);
CalendarData calendarData = new CalendarData(calendar);
CalendarContentRange content = new CalendarContentRange(calendar, calendarData.GetFirstMonth(), calendarData.GetLastMonth());
// recalibrate graphics to twips
RectangleF rect = new RectangleF(0, 0, 4000f, 4000f);
CalendarDesigner.ScaleToTwipsGraphicsAndBound(GetGraphics(), ref rect);
// create gdi canvas wrapper to use in renderer
IDrawingCanvas canvas = GraphicsCanvasFactory.Create(GetGraphics());
// render calendar to canvas
CalendarRenderer.Instance.Render(content, canvas, rect);
}
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 void TestRenderingInMultiThreads()
{
var report = TestHelper.GetReport("Calendar.rdlx");
var rendererExt = new TestingRenderingExtension();
report.Render(rendererExt, null);
var calendar = rendererExt.GetReportItem("Calendar1") as CalendarDataRegion;
Assert.IsNotNull(calendar);
var calendarData = new CalendarData(calendar);
var content = new CalendarContentRange(calendar, calendarData.GetFirstMonth(), calendarData.GetLastMonth());
// recalibrate graphics to twips
var rect = new RectangleF(0, 0, 4000f, 4000f);
CalendarDesigner.ScaleToTwipsGraphicsAndBound(GetGraphics(), ref rect);
// the action of rendering calendar to canvas
System.Action render = () =>
{
using (var graphics = Graphics.FromHwnd(IntPtr.Zero))
{
var canvas = GraphicsCanvasFactory.Create(graphics);
(calendar.GetRenderer <IGraphicsRenderer>() as CalendarRenderer)
.Render(content, canvas, rect);
}
};
var isSuccess1 = false;
var isSuccess2 = false;
ThreadStart render1 = () =>
{
render();
isSuccess1 = true;
};
ThreadStart render2 = () =>
{
render();
isSuccess2 = true;
};
var thread1 = new Thread(render1);
var thread2 = new Thread(render2);
thread1.Start();
thread2.Start();
thread1.Join();
thread2.Join();
Assert.IsTrue(isSuccess1);
Assert.IsTrue(isSuccess2);
}