1 files changed, 77 insertions, 0 deletions
diff --git a/experimental/xps_to_png/xps_to_png.cs b/experimental/xps_to_png/xps_to_png.cs
new file mode 100644
index 0000000000..951d4d79a2
--- /dev/null
+++ b/experimental/xps_to_png/xps_to_png.cs
@@ -0,0 +1,77 @@
+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/*
+Compile with:
+
+    "...../csc" \
+        /lib:"....." \
+        /reference:"ReachFramework.dll" \
+        /reference:"WindowsBase.dll" \
+        /reference:"PresentationCore.dll" \
+        /reference:"PresentationFramework.dll" \
+        xps_to_png.cs
+
+*/
+// logic inspired by this example: https://goo.gl/nCxrjQ
+class Program {
+    static void convert(string path, string out_path) {
+        System.Windows.Xps.Packaging.XpsDocument xpsDoc =
+            new System.Windows.Xps.Packaging.XpsDocument(path, System.IO.FileAccess.Read);
+        if (xpsDoc == null) {
+            throw new System.Exception("XpsDocumentfailed");
+        }
+        System.Windows.Documents.FixedDocumentSequence docSeq = xpsDoc.GetFixedDocumentSequence();
+        if (docSeq == null) {
+            throw new System.Exception("GetFixedDocumentSequence failed");
+        }
+        System.Windows.Documents.DocumentReferenceCollection drc = docSeq.References;
+        int index = 0;
+        foreach (System.Windows.Documents.DocumentReference dr in drc) {
+            System.Windows.Documents.FixedDocument dp = dr.GetDocument(false);
+            foreach (System.Windows.Documents.PageContent pc in dp.Pages) {
+                System.Windows.Documents.FixedPage fixedPage = pc.GetPageRoot(false);
+                double width = fixedPage.Width;
+                double height = fixedPage.Height;
+                System.Windows.Size sz = new System.Windows.Size(width, height);
+                fixedPage.Measure(sz);
+                fixedPage.Arrange(new System.Windows.Rect(new System.Windows.Point(), sz));
+                fixedPage.UpdateLayout();
+                System.Windows.Media.Imaging.BitmapImage bitmap = new System.Windows.Media.Imaging.BitmapImage();
+                System.Windows.Media.Imaging.RenderTargetBitmap renderTarget =
+                    new System.Windows.Media.Imaging.RenderTargetBitmap((int)width, (int)height, 96, 96,
+                                                                        System.Windows.Media.PixelFormats.Default);
+                renderTarget.Render(fixedPage);
+                System.Windows.Media.Imaging.BitmapEncoder encoder = new System.Windows.Media.Imaging.PngBitmapEncoder();
+                encoder.Frames.Add(System.Windows.Media.Imaging.BitmapFrame.Create(renderTarget));
+                System.IO.FileStream pageOutStream = new System.IO.FileStream(
+                    string.Format("{0}_{1}.png", out_path, index),
+                    System.IO.FileMode.Create, System.IO.FileAccess.Write);
+                encoder.Save(pageOutStream);
+                pageOutStream.Close();
+                ++index;
+            }
+        }
+    }
+        // Executes convert, catching thrown exceptions, and printing them to stdout, and exiting immediately
+    static void try_convert(string path, string out_path) {
+        try {
+            convert(path, out_path);
+        } catch (System.Exception e) {
+            System.Console.WriteLine(e);
+            System.Environment.Exit(1);
+        }
+    }
+        // For each command line argument, convert xps to sequence of pngs
+    static void Main(string[] args) {
+        foreach (string arg in args) {
+            System.Threading.Thread t = new System.Threading.Thread(() => try_convert(arg, arg));
+            t.SetApartmentState(System.Threading.ApartmentState.STA);
+            t.Start();
+        }
+    }
+}