void IHttpHandler.ProcessRequest(HttpContext context)
{
int bookId = -1;
if (context.Request["id"] != null)
{
int.TryParse(context.Request["id"], out bookId);
}
NDrawingDocument document = CreateDocument(bookId);
NCanvas canvas = CreateCanvas(document);
document.RefreshAllViews();
canvas.DoLayout();
MemoryStream ms = new MemoryStream();
NPngImageFormat imageFormet = new NPngImageFormat();
using (INImage image = CreateImage(document, canvas, canvas.Size, imageFormet))
{
image.SaveToStream(ms, imageFormet);
}
byte[] bytes = ms.GetBuffer();
context.Response.ContentType = "image/png";
context.Response.OutputStream.Write(bytes, 0, bytes.Length);
context.Response.Cache.SetCacheability(HttpCacheability.ServerAndPrivate);
}
void IHttpHandler.ProcessRequest(HttpContext context)
{
int populationDataId;
int dataPointId;
if (context.Request["id"] == null)
{
return;
}
string[] tokens = context.Request["id"].Split(new char[] { ':' }, StringSplitOptions.RemoveEmptyEntries);
if (tokens.Length != 2)
{
return;
}
if (!int.TryParse(tokens[0], out populationDataId))
{
return;
}
if (!int.TryParse(tokens[1], out dataPointId))
{
return;
}
NCustomToolsData.NData data = NCustomToolsData.Read();
MemoryStream ms = new MemoryStream();
NSize chartSize = new NSize(500, 200);
NDocument document = CreateDocument(chartSize, data, populationDataId, dataPointId);
NPngImageFormat imageFormat = new NPngImageFormat();
using (INImage image = CreateImage(document, chartSize, imageFormat))
{
document.Refresh();
image.SaveToStream(ms, imageFormat);
}
byte[] bytes = ms.GetBuffer();
context.Response.ContentType = "image/png";
context.Response.OutputStream.Write(bytes, 0, bytes.Length);
context.Response.Cache.SetCacheability(HttpCacheability.ServerAndPrivate);
}
