protected void ProduceResponse(HttpContext context, ITypeAccepter accepter, string title, RenderContext ctx, Size tileSize,
AbstractMatrix transform,
bool transparent = false, IDictionary <string, object> queryDefaults = null)
{
// New-style Options
#region URL Parameters
// TODO: move to ParseOptions (maybe - requires options to be parsed after stylesheet creation?)
if (GetBoolOption("sscoords", queryDefaults: queryDefaults, defaultValue: false))
{
ctx.Styles.hexCoordinateStyle = HexCoordinateStyle.Subsector;
}
if (GetBoolOption("allhexes", queryDefaults: queryDefaults, defaultValue: false))
{
ctx.Styles.numberAllHexes = true;
}
if (GetBoolOption("nogrid", queryDefaults: queryDefaults, defaultValue: false))
{
ctx.Styles.parsecGrid.visible = false;
}
if (!GetBoolOption("routes", queryDefaults: queryDefaults, defaultValue: true))
{
ctx.Styles.macroRoutes.visible = false;
ctx.Styles.microRoutes.visible = false;
}
if (!GetBoolOption("rifts", queryDefaults: queryDefaults, defaultValue: true))
{
ctx.Styles.showRiftOverlay = false;
}
if (GetBoolOption("po", queryDefaults: queryDefaults, defaultValue: false))
{
ctx.Styles.populationOverlay.visible = true;
}
if (GetBoolOption("im", queryDefaults: queryDefaults, defaultValue: false))
{
ctx.Styles.importanceOverlay.visible = true;
}
if (GetBoolOption("cp", queryDefaults: queryDefaults, defaultValue: false))
{
ctx.Styles.capitalOverlay.visible = true;
}
if (GetBoolOption("stellar", queryDefaults: queryDefaults, defaultValue: false))
{
ctx.Styles.showStellarOverlay = true;
}
ctx.Styles.dimUnofficialSectors = GetBoolOption("dimunofficial", queryDefaults: queryDefaults, defaultValue: false);
ctx.Styles.colorCodeSectorStatus = GetBoolOption("review", queryDefaults: queryDefaults, defaultValue: false);
ctx.Styles.droyneWorlds.visible = GetBoolOption("dw", queryDefaults: queryDefaults, defaultValue: false);
ctx.Styles.minorHomeWorlds.visible = GetBoolOption("mh", queryDefaults: queryDefaults, defaultValue: false);
ctx.Styles.ancientsWorlds.visible = GetBoolOption("an", queryDefaults: queryDefaults, defaultValue: false);
// TODO: Return an error if pattern is invalid?
ctx.Styles.highlightWorldsPattern = HighlightWorldPattern.Parse(
GetStringOption("hw", queryDefaults: queryDefaults, defaultValue: String.Empty).Replace(' ', '+'));
ctx.Styles.highlightWorlds.visible = ctx.Styles.highlightWorldsPattern != null;
double devicePixelRatio = GetDoubleOption("dpr", defaultValue: 1, queryDefaults: queryDefaults);
devicePixelRatio = Math.Round(devicePixelRatio, 1);
if (devicePixelRatio <= 0)
{
devicePixelRatio = 1;
}
if (devicePixelRatio > 2)
{
devicePixelRatio = 2;
}
bool dataURI = GetBoolOption("datauri", queryDefaults: queryDefaults, defaultValue: false);
if (GetStringOption("milieu", SectorMap.DEFAULT_MILIEU) != SectorMap.DEFAULT_MILIEU)
{
// TODO: Make this declarative in resource files.
if (ctx.Styles.macroBorders.visible)
{
ctx.Styles.macroBorders.visible = false;
ctx.Styles.microBorders.visible = true;
}
ctx.Styles.macroNames.visible = false;
ctx.Styles.macroRoutes.visible = false;
}
#endregion
MemoryStream ms = null;
if (dataURI)
{
ms = new MemoryStream();
}
Stream outputStream = ms ?? Context.Response.OutputStream;
if (accepter.Accepts(context, ContentTypes.Image.Svg, ignoreHeaderFallbacks: true))
{
#region SVG Generation
using (var svg = new SVGGraphics(tileSize.Width, tileSize.Height))
{
RenderToGraphics(ctx, transform, svg);
using (var stream = new MemoryStream())
{
svg.Serialize(new StreamWriter(stream));
context.Response.ContentType = ContentTypes.Image.Svg;
if (!dataURI)
{
context.Response.AddHeader("content-length", stream.Length.ToString());
context.Response.AddHeader("content-disposition", $"inline;filename=\"{Util.SanitizeFilename(title)}.svg\"");
}
stream.WriteTo(outputStream);
}
}
#endregion
}
else if (accepter.Accepts(context, ContentTypes.Application.Pdf, ignoreHeaderFallbacks: true))
{
#region PDF Generation
using (var document = new PdfDocument())
{
document.Version = 14; // 1.4 for opacity
document.Info.Title = title;
document.Info.Author = "Joshua Bell";
document.Info.Creator = "TravellerMap.com";
document.Info.Subject = DateTime.Now.ToString("F", CultureInfo.InvariantCulture);
document.Info.Keywords = "The Traveller game in all forms is owned by Far Future Enterprises. Copyright (C) 1977 - 2019 Far Future Enterprises. Traveller is a registered trademark of Far Future Enterprises.";
// TODO: Credits/Copyright
// This is close, but doesn't define the namespace correctly:
// document.Info.Elements.Add( new KeyValuePair<string, PdfItem>( "/photoshop/Copyright", new PdfString( "HelloWorld" ) ) );
PdfPage page = document.AddPage();
// NOTE: only PageUnit currently supported in MGraphics is Points
page.Width = XUnit.FromPoint(tileSize.Width);
page.Height = XUnit.FromPoint(tileSize.Height);
using (var gfx = new PdfSharpGraphics(XGraphics.FromPdfPage(page)))
{
RenderToGraphics(ctx, transform, gfx);
using (var stream = new MemoryStream())
{
document.Save(stream, closeStream: false);
context.Response.ContentType = ContentTypes.Application.Pdf;
if (!dataURI)
{
context.Response.AddHeader("content-length", stream.Length.ToString());
context.Response.AddHeader("content-disposition", $"inline;filename=\"{Util.SanitizeFilename(title)}.pdf\"");
}
stream.WriteTo(outputStream);
}
}
}
#endregion
}
else
{
#region Bitmap Generation
int width = (int)Math.Floor(tileSize.Width * devicePixelRatio);
int height = (int)Math.Floor(tileSize.Height * devicePixelRatio);
using (var bitmap = TryConstructBitmap(width, height, PixelFormat.Format32bppArgb))
{
if (bitmap == null)
{
throw new HttpError(500, "Internal Server Error",
$"Failed to allocate bitmap ({width}x{height}). Insufficient memory?");
}
if (transparent)
{
bitmap.MakeTransparent();
}
using (var g = System.Drawing.Graphics.FromImage(bitmap))
{
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.ClearTypeGridFit;
using (var graphics = new BitmapGraphics(g))
{
graphics.ScaleTransform((float)devicePixelRatio);
RenderToGraphics(ctx, transform, graphics);
}
}
BitmapResponse(context.Response, outputStream, ctx.Styles, bitmap, transparent ? ContentTypes.Image.Png : null);
}
#endregion
}
if (dataURI)
{
string contentType = context.Response.ContentType;
context.Response.ContentType = ContentTypes.Text.Plain;
ms.Seek(0, SeekOrigin.Begin);
context.Response.Output.Write("data:");
context.Response.Output.Write(contentType);
context.Response.Output.Write(";base64,");
context.Response.Output.Flush();
System.Security.Cryptography.ICryptoTransform encoder = new System.Security.Cryptography.ToBase64Transform();
using (System.Security.Cryptography.CryptoStream cs = new System.Security.Cryptography.CryptoStream(context.Response.OutputStream, encoder, System.Security.Cryptography.CryptoStreamMode.Write))
{
ms.WriteTo(cs);
cs.FlushFinalBlock();
}
}
context.Response.Flush();
context.Response.Close();
return;
}