public void ProcessRequest(HttpContext context)
{
HttpResponse response = context.Response;
response.Clear();
AppState appState = AppState.FromJson(context.Request.Form["state"]);
string templateID = context.Request.Form["template"];
string scaleMode = context.Request.Form["scalemode"];
double originalWidth = Convert.ToDouble(context.Request.Form["width"]);
// if the user entered a feet-per-inch scale, compute the pixel width of the map
// for the scale given the extent width
if (scaleMode == "input")
{
double extentWidth = appState.Extent.Width * (AppContext.AppSettings.MapUnits == "feet" ? 1 : Constants.FeetPerMeter);
double scale = Convert.ToDouble(context.Request.Form["scale"]);
originalWidth = extentWidth * 96 / scale;
scaleMode = "scale";
}
PreserveMode preserveMode = (PreserveMode)Enum.Parse(typeof(PreserveMode), scaleMode, true);
// read in the user inputs
List <String> input = new List <String>();
Configuration.ApplicationRow application = AppContext.GetConfiguration().Application.First(o => o.ApplicationID == appState.Application);
Configuration.PrintTemplateRow template = application.GetPrintTemplates().First(o => o.TemplateID == templateID);
foreach (Configuration.PrintTemplateContentRow element in template.GetPrintTemplateContentRows().Where(o => o.ContentType == "input"))
{
string fieldName = String.Format("input_{0}_{1}", template.TemplateID, element.SequenceNo);
input.Add(context.Request.Form[fieldName]);
}
// produce the PDF output
PdfMap pdfMap = new PdfMap(appState, templateID, input, preserveMode, originalWidth);
pdfMap.Write(response);
response.End();
}
public void Write(HttpResponse response, bool inline)
{
response.Clear();
response.ContentType = "application/pdf";
response.AddHeader("Content-Disposition", (inline ? "inline" : "attachment") + "; filename=Map.pdf");
// create the PDF document
Configuration config = AppContext.GetConfiguration();
Configuration.PrintTemplateRow printTemplate = config.PrintTemplate.First(o => o.TemplateID == _templateId);
float pageWidth = Convert.ToSingle(printTemplate.PageWidth * PointsPerInch);
float pageHeight = Convert.ToSingle(printTemplate.PageHeight * PointsPerInch);
Rectangle pageSize = new Rectangle(pageWidth, pageHeight);
pageSize.BackgroundColor = new Color(System.Drawing.Color.White);
Document document = new Document(pageSize);
PdfWriter writer = PdfWriter.GetInstance(document, response.OutputStream);
document.Open();
PdfContentByte content = writer.DirectContent;
// get the extent of the main map and fit it to the proportions of
// the map box on the page
double mapScale = 0;
Configuration.PrintTemplateContentRow mapElement = printTemplate.GetPrintTemplateContentRows().FirstOrDefault(o => o.ContentType == "map");
if (mapElement != null)
{
if (_preserveMode == PreserveMode.Extent)
{
_appState.Extent.Reaspect(mapElement.Width, mapElement.Height);
}
else
{
IPoint c = new Point(_appState.Extent.Centre);
double dx;
double dy;
if (_preserveMode == PreserveMode.Scale)
{
double ratio = _appState.Extent.Width * 96 / _originalWidth;
dx = mapElement.Width * ratio * 0.5;
dy = mapElement.Height * ratio * 0.5;
}
else
{
dx = _appState.Extent.Width * 0.5;
dy = dx * mapElement.Height / mapElement.Width;
}
_appState.Extent = new Envelope(new Coordinate(c.Coordinate.X - dx, c.Coordinate.Y - dy), new Coordinate(c.Coordinate.X + dx, c.Coordinate.Y + dy));
}
double conversion = AppContext.AppSettings.MapUnits == "feet" ? 1 : Constants.FeetPerMeter;
mapScale = _appState.Extent.Width * conversion / mapElement.Width;
_pixelSize = _appState.Extent.Width / (mapElement.Width * PixelsPerInch);
}
int inputIndex = 0;
// get the page template elements and draw each one to the page
foreach (Configuration.PrintTemplateContentRow element in printTemplate.GetPrintTemplateContentRows())
{
switch (element.ContentType)
{
case "box":
CreatePdfBox(content, element);
break;
case "date":
CreatePdfText(content, element, DateTime.Now.ToString("MMMM d, yyyy"));
break;
case "image":
CreatePdfImage(content, element);
break;
case "legend":
CreatePdfLegend(content, element);
break;
case "map":
CreatePdfMap(content, element);
break;
case "overviewmap":
CreatePdfOverviewMap(content, element);
break;
case "scale":
if (mapScale > 0)
{
CreatePdfText(content, element, "1\" = " + mapScale.ToString("0") + " ft");
}
break;
case "scalefeet":
if (mapScale > 0)
{
CreatePdfText(content, element, mapScale.ToString("0") + " ft");
}
break;
case "tabdata":
CreatePdfTabData(content, element);
break;
case "text":
if (!element.IsTextNull())
{
CreatePdfText(content, element, element.Text);
}
else if (!element.IsFileNameNull())
{
string fileName = HttpContext.Current.Server.MapPath("Text/Print") + "\\" + element.FileName;
if (File.Exists(fileName))
{
string text = File.ReadAllText(fileName);
CreatePdfText(content, element, text);
}
}
break;
case "input":
if (inputIndex < _input.Count)
{
CreatePdfText(content, element, _input[inputIndex]);
++inputIndex;
}
break;
}
}
document.Close();
response.End();
}
