Improvements:

- ASP.NET 64bit support for html2pdf. - Attribute to suppress parallel execution. - Ghostscript rendering. - No need for a snapshot for a imagemap, you can use original svg image.
simonegli8 · Jul 15, 2014 · 7f0199d · 7f0199d
1 parent c063329
commit 7f0199d
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Showing 95 changed files with 22,267 additions and 9,408 deletions.
diff --git a/XamlImageConverter.Awesomium/Html2PDF.cs b/XamlImageConverter.Awesomium/Html2PDF.cs
@@ -11,53 +11,60 @@
 
 namespace XamlImageConverter {
 
- public class Html2PDF: Snapshot.Html2PDFConverter {
+ public static class Html2PDF {
 
- public ManualResetEventSlim SavedSignal = new ManualResetEventSlim(true);
- public IWebView View = null;
- public WebSession Session = null;
+ public static ManualResetEventSlim SavedSignal = new ManualResetEventSlim(true);
+ public static IWebView View = null;
+ public static WebSession Session = null;
  public static bool AssemblyResolverInitialized = false;
- public int Instances = 0;
- public IDisposable FileLock = null;
+ public static int Instances = 0;
+ public static IDisposable FileLock = null;
+ public static object Lock = new object();
 
- public void SaveAsync(Snapshot s) {
- string path;
- var source = ((Group.HtmlSource)s.Element).Source;
+ public static void SaveAsync(string source, string localfile, string elementname, string width, string height, string dpi) {
+ var path = Path.GetDirectoryName(localfile);
+ //var source = ((Group.HtmlSource)s.Element).Source;
  string html = null;
- if (source.StartsWith("http:https://") || source.StartsWith("https://")) {
- try {
+ if (source.StartsWith("http:https://") || source.StartsWith("https://") || source.StartsWith("~")) {
+ /*try {
  var ctx = HttpContext.Current;
  var app = ctx.Request.ApplicationPath;
  var root = ctx.Request.Url.Authority + "/" + app;
+ var oldpath = ctx.Request.Url.AbsolutePath;
+ path = null;
  if (source.StartsWith(root)) {
- var oldpath = ctx.Request.Url.AbsolutePath;
  path = source.Substring(root.Length);
+ } else if (source.StartsWith("~")) {
+ path = source.Substring(1);
+ }
+ if (path != null) {
  using (var w = new StringWriter()) {
  ctx.RewritePath(path);
  ctx.Server.Execute(path, w, false);
  ctx.RewritePath(oldpath);
  html = w.ToString();
  }
  }
-  } catch { }
- /*if (html == null) {
-  var web = new WebClient();
- web.Encoding = Encoding.UTF8;
- html = web.DownloadString(source);
- }*/
- } else {
- html = File.ReadAllText(s.Compiler.MapPath(source));
+ } catch {
+ } finally {*/
+ /* if (html == null) {
+  var web = new WebClient();
+  web.Encoding = Encoding.UTF8;
+  html = web.DownloadString(source);
+  }
+ //} */ 
  }
+ var binpath = Path.GetDirectoryName(new Uri(System.Reflection.Assembly.GetExecutingAssembly().CodeBase).LocalPath);
 
  //AppDomain.CurrentDomain.AppendPrivatePath("Lazy\\Awesomium");
  if (!AssemblyResolverInitialized) {
  int resolving = 0;
  AppDomain.CurrentDomain.AssemblyResolve += (sender, args) => {
  try {
  resolving++;
- var apath = s.Compiler.BinPath("Lazy\\Awesomium\\");
+ var apath = binpath;
  var aname = new System.Reflection.AssemblyName(args.Name);
- aname.CodeBase = apath + args.Name + ".dll";
+ aname.CodeBase = Path.Combine(apath, args.Name + ".dll");
  return resolving > 1 ? null : System.Reflection.Assembly.Load(aname);
  } catch {
  return null;
@@ -69,7 +76,7 @@ public class Html2PDF: Snapshot.Html2PDFConverter {
  }
 
  if (Instances++ == 0) {
- WebCore.Initialize(new WebConfig() { LogPath = s.Compiler.SkinPath, LogLevel = LogLevel.Verbose });
+ WebCore.Initialize(new WebConfig() { LogPath = path, LogLevel = LogLevel.Verbose });
  }
 
  if (Session == null) Session = WebCore.CreateWebSession(new WebPreferences() {
@@ -84,35 +91,29 @@ public class Html2PDF: Snapshot.Html2PDFConverter {
  });
  if (View == null) View = WebCore.CreateWebView(1280, 1024, Session);
  var config = new PrintConfig();
- var size = s.GetSize(s.Element);
- config.PageSize = new AweRect(0, 0, (int)size.Width, (int)size.Height);
+ //s.GetSize(s.Element);
+ config.PageSize = new AweRect(0, 0, (int)(double.Parse(width)+0.5), (int)(double.Parse(height)+0.5));
  config.SplitPagesIntoMultipleFiles = false;
- config.Dpi = s.Dpi ?? 600;
- path = Path.GetDirectoryName(s.LocalFilename);
- var tempFile = path + "/doc_1.pdf";
+ var Dpi = 600.0;
+ double.TryParse(dpi, out Dpi);
+ config.Dpi = Dpi;
  IDisposable fileLock = null;
  SavedSignal.Reset();
- View.PrintComplete += (sender2, args2) => {
- File.Move(tempFile, s.LocalFilename);
- FileLock.Dispose();
- FileLock = null;
- SavedSignal.Set();
- s.Errors.Message("{0} created.", Path.GetFileName(s.LocalFilename));
- s.ImageCreated();
+ View.PrintComplete += (sender, args) => {
+ File.Move(args.Files [0], localfile);
+ Environment.Exit(0);
  };
- View.PrintFailed += (sender2, args2) => {
- s.Errors.Error("Failed converting html to pdf.", "61", s.XElement);
- FileLock.Dispose();
- FileLock = null;
- SavedSignal.Set();
+ View.PrintFailed += (sender, args) => {
+ Environment.Exit(1);
  };
  var loaded = false;
- View.LoadingFrameComplete += (sender, args) => {
- if (args.IsMainFrame) {
- var part = !string.IsNullOrEmpty(s.ElementName);
+ Action onloaded = () => {
+ lock (Lock) {
+ if (loaded) return;
+ var part = !string.IsNullOrWhiteSpace(elementname);
  if (part) {
  View.ExecuteJavascript(@"
- var obj = top.document.getElementById('" + s.ElementName + @"');
+ var obj = top.document.getElementById('" + elementname + @"');
  var selection = window.getSelection();
  var range = document.createRange();
  range.setStartBefore(obj);
@@ -123,26 +124,29 @@ public class Html2PDF: Snapshot.Html2PDFConverter {
  } else {
  config.PrintSelectionOnly = false;
  }
- FileLock = s.Compiler.FileLock(tempFile);
+ //FileLock = s.Compiler.FileLock(tempFile);
  View.PrintToFile(path, config);
  loaded = true;
  }
  };
+ View.LoadingFrameComplete += (sender, args) => { if (args.IsMainFrame) onloaded(); };
+ View.LoadingFrameFailed += (sender, args) => { if (args.IsMainFrame) onloaded(); };
 
- if (html != null) View.LoadHTML(html);
- else View.Source = new Uri(source);
- while (!loaded) { Thread.Sleep(100); WebCore.Update(); }
+ View.Source = new Uri(source);
+ while (View.IsLoading) { Thread.Sleep(100); WebCore.Update(); }
+ Thread.Sleep(300);
+ WebCore.Update();
+ onloaded();
+ while (View.IsPrinting) { Thread.Sleep(100); WebCore.Update(); }
  }
 
- public void AwaitSave() {
- while (!SavedSignal.Wait(100)) WebCore.Update();
-
- if (FileLock != null) FileLock.Dispose();
- if (View != null) View.Dispose();
- if (Session != null) Session.Dispose();
- if (--Instances == 0) WebCore.Shutdown();
+ public static void Main(string[] args) {
+ try {
+ SaveAsync(args[0], args[1], args[2], args[3], args[4], args[5]);
+ } catch (Exception ex) {
+ Environment.Exit(2);
+ }
  }
-
  }
 
 }