public async Task Render(IDocument document, Stream stream)
{
var children = document.Children.Count;
if (children == 0)
{
return;
}
var svg = document.RootElement;
if (svg == null)
{
throw new Exception("No svg element");
}
var pageSize = new PxSize(1024, 1024);
var context = FrameContext.CreateRoot(pageSize);
var size = svg.GetSize(context, pageSize);
var viewPort = svg.GetViewBox()?.AsRectangle() ?? size.AsRectangle();
var newContext = context.Create(viewPort.Size);
using (var render = Create(viewPort.Size, out var bm))
{
var dc = render.Target;
dc.BeginDraw();
dc.Clear(new RawColor4(1f, 1f, 1f, 1f));
await render.GetRenderer("svg")(svg, newContext, render);
dc.EndDraw();
if (stream != null)
{
Save(bm, stream);
}
}
}
public async Task Render(IEnumerable <string> docNames, Stream outStream)
{
var ticket = Printing.Printing.CreateTicketForPrinter("Microsoft Print to PDF");
var pms = ticket.PageMediaSize;
var pageSize = new PxSize(
(pms.Width != null) ? (float)pms.Width : 4962,
(pms.Height != null) ? (float)pms.Height : 7014
);
using (var target = Printing.Printing.CreatePrintTarget(ticket, "Microsoft Print to PDF", outStream))
using (var printControl = new D2D1.PrintControl(D2DDevice, WicFactory, target))
using (var dc = new D2D1.DeviceContext(D2DDevice, D2D1.DeviceContextOptions.None))
{
dc.DotsPerInch = new DX.Size2F(600, 600);
var pageStack = new List <RendererDirect2D> ();
var pageY = 0;
var frameContext = FrameContext.CreateRoot(pageSize);
D2D1.CommandList commandList = null;
foreach (var fn in docNames)
{
try
{
var document = await Loader.Load(new Uri(fn, UriKind.RelativeOrAbsolute));
var children = document.Children.Count;
if (children == 0)
{
continue;
}
var svg = document.RootElement;
if (svg == null)
{
continue;
}
var size = svg.GetSize(frameContext, pageSize);
var viewPort = svg.GetViewBox()?.AsRectangle() ?? size.AsRectangle();
var ratio = svg.GetPreserveAspectRatio().CalcMatrix(size, viewPort);
var renderSize = new PxSize(
(int)(0.5f + (viewPort.Width * ratio.M11)),
(int)(0.5f + (viewPort.Height * ratio.M22))
);
if (pageStack.Count > 0 && pageY + renderSize.Height > pms.Height)
{
dc.EndDraw();
commandList.Close();
printControl.AddPage(commandList, new DX.Size2F(pageSize.Width, pageSize.Height));
commandList.Dispose();
foreach (var r in pageStack)
{
r.Dispose();
}
pageStack.Clear();
pageY = 0;
commandList = null;
}
dc.Transform = DX.Matrix3x2.Translation(0, pageY);
if (commandList == null)
{
commandList = new D2D1.CommandList(dc);
dc.Target = commandList;
dc.BeginDraw();
}
var render = new RendererDirect2D(this, dc);
await render.GetRenderer(svg.ElementType)(svg, FrameContext.CreateRoot(renderSize), render);
pageStack.Add(render);
pageY += (int)renderSize.Height;
}
catch (Exception ex)
{
Console.WriteLine("Skipping {0}", ex);
//throw ex;
}
}
if (pageStack.Count > 0)
{
dc.EndDraw();
commandList.Close();
printControl.AddPage(commandList, new DX.Size2F(pageSize.Width, pageSize.Height));
commandList.Dispose();
foreach (var r in pageStack)
{
r.Dispose();
}
pageStack.Clear();
}
// Send the job to the printing subsystem and discard
// printing-specific resources.
printControl.Close();
}
}