PdfParser: Parse inline images

VAR.PdfTools/PdfParser.cs

@@ -1021,6 +1021,20 @@ namespace VAR.PdfTools
                     PdfContentAction action = new PdfContentAction(token, elems);
                     elems = new List<IPdfElement>();
                     actions.Add(action);
+                    if (action.Token == "ID")
+                    {
+                        // Embbed inline image
+                        byte lineFeed = 0x0A;
+                        byte carriageReturn = 0x0D;
+                        long distToObject = MeasureToMarkers(new char[][] {
+                                    new char[] {(char)lineFeed, 'E', 'I'},
+                                    new char[] {(char)carriageReturn, (char)lineFeed, 'E', 'I'},
+                                });
+                        byte[] imageBody = GetRawData(distToObject);
+                        SkipEndOfLine();
+                        string endToken = ParseToken();
+                        action.Parameters.Add(new PdfStream { OriginalData = imageBody, });
+                    }
                 }
             } while (IsEndOfStream() == false);
             return actions;

VAR.PdfTools/PdfTextExtractor.cs

@@ -470,8 +470,10 @@ namespace VAR.PdfTools
 
         private void ProcessPage()
         {
-            foreach (PdfContentAction action in _page.ContentActions)
+            int unknowCount = 0;
+            for (int i = 0; i < _page.ContentActions.Count; i++)
             {
+                PdfContentAction action = _page.ContentActions[i];
                 // Graphics Operations
                 if (action.Token == "q")
                 {
@@ -578,6 +580,26 @@ namespace VAR.PdfTools
                 {
                     OpTextPutMultiple(((PdfArray)action.Parameters[0]));
                 }
+                else if (action.Token == "re")
+                {
+                    // FIXME: Interpret this
+                }
+                else if (action.Token == "f")
+                {
+                    // FIXME: Interpret this
+                }
+                else if (action.Token == "g")
+                {
+                    // FIXME: Interpret this
+                }
+                else if (action.Token == "rg")
+                {
+                    // FIXME: Interpret this
+                }
+                else
+                {
+                    unknowCount++;
+                }
             }
             FlushTextElement();
         }