From f2c2f7c9af7bfcd69756f54eea2ca5eeb4571223 Mon Sep 17 00:00:00 2001
From: Pavel Krajcevski <pavel@cs.unc.edu>
Date: Mon, 27 Aug 2012 22:47:20 -0400
Subject: [PATCH] Move file format to a separate header in order to better
 obfuscate the image loaders within the io library.

---
 IO/config/ImageLoader.h.in   |  6 +-----
 IO/include/ImageFile.h       |  2 +-
 IO/include/ImageFileFormat.h | 10 ++++++++++
 IO/src/ImageFile.cpp         |  4 ++++
 4 files changed, 16 insertions(+), 6 deletions(-)
 create mode 100644 IO/include/ImageFileFormat.h

diff --git a/IO/config/ImageLoader.h.in b/IO/config/ImageLoader.h.in
index d76731a..cf447cf 100644
--- a/IO/config/ImageLoader.h.in
+++ b/IO/config/ImageLoader.h.in
@@ -1,11 +1,7 @@
 #ifndef _IMAGE_LOADER_H_
 #define _IMAGE_LOADER_H_
 
-enum EImageFileFormat {
-  eFileFormat_PNG,
-
-  kNumImageFileFormats
-};
+#include "ImageFileFormat.h"
 
 class ImageLoader {
 
diff --git a/IO/include/ImageFile.h b/IO/include/ImageFile.h
index 34d6593..ea10efe 100644
--- a/IO/include/ImageFile.h
+++ b/IO/include/ImageFile.h
@@ -1,7 +1,7 @@
 #ifndef _IMAGE_FILE_H_ 
 #define _IMAGE_FILE_H_ 
 
-#include "ImageLoader.h"
+#include "ImageFileFormat.h"
 
 class ImageFile {
 
diff --git a/IO/include/ImageFileFormat.h b/IO/include/ImageFileFormat.h
new file mode 100644
index 0000000..ab9a9ca
--- /dev/null
+++ b/IO/include/ImageFileFormat.h
@@ -0,0 +1,10 @@
+#ifndef _IMAGE_FILE_FORMAT_H_
+#define _IMAGE_FILE_FORMAT_H_
+
+enum EImageFileFormat {
+  eFileFormat_PNG,
+
+  kNumImageFileFormats
+};
+
+#endif // _IMAGE_FILE_FORMAT_H_
diff --git a/IO/src/ImageFile.cpp b/IO/src/ImageFile.cpp
index ab5e623..24bcca8 100644
--- a/IO/src/ImageFile.cpp
+++ b/IO/src/ImageFile.cpp
@@ -5,6 +5,7 @@
 #include <assert.h>
 
 #include "ImageFile.h"
+#include "ImageLoader.h"
 
 #ifdef PNG_FOUND
 #  include "ImageLoaderPNG.h"
@@ -149,6 +150,9 @@ EImageFileFormat ImageFile::DetectFileFormat(const char *filename) {
     // !FIXME! Report Error.....
     return kNumImageFileFormats;
   }
+  
+  // consume the last character...
+  dotPos++;
 
   const char *ext = &filename[dotPos];