add extract images example

examples/ExtractImages.cs

@@ -0,0 +1,43 @@
+namespace UglyToad.Examples
+{
+    using System;
+    using System.Linq;
+    using PdfPig;
+    using PdfPig.Content;
+    using PdfPig.XObjects;
+
+    internal static class ExtractImages
+    {
+        public static void Run(string filePath)
+        {
+            using (var document = PdfDocument.Open(filePath))
+            {
+                foreach (var page in document.GetPages())
+                {
+                    foreach (var image in page.GetImages())
+                    {
+                        switch (image)
+                        {
+                            case XObjectImage ximg:
+                                byte[] b;
+                                try
+                                {
+                                    b = ximg.Bytes.ToArray();
+                                }
+                                catch
+                                {
+                                    b = ximg.RawBytes.ToArray();
+                                }
+
+                                Console.WriteLine($"Image with {b.Length} bytes and dictionary {ximg.ImageDictionary}.");
+                                break;
+                            case InlineImage inline:
+                                Console.WriteLine($"Inline image: {inline.RawBytes.Count} bytes.");
+                                break;
+                        }
+                    }
+                }
+            }
+        }
+    }
+}

examples/Program.cs

@@ -19,6 +19,10 @@
                 {1,
                     ("Extract Words with newline detection",
                     () => OpenDocumentAndExtractWords.Run(Path.Combine(filesDirectory, "Two Page Text Only - from libre office.pdf")))
+                },
+                {2,
+                    ("Extract images",
+                    () => ExtractImages.Run(Path.Combine(filesDirectory, "2006_Swedish_Touring_Car_Championship.pdf")))
                 }
             };