Just moved code around to clean things up a little.

tools/imglab/CMakeLists.txt

@@ -26,6 +26,7 @@ add_executable(${target_name}
    src/common.h
    src/common.cpp
    src/cluster.cpp
+   src/flip_dataset.cpp
 )
 
 

tools/imglab/src/common.cpp

@@ -38,3 +38,23 @@ void make_empty_file (
 
 // ----------------------------------------------------------------------------------------
 
+std::string to_png_name (const std::string& filename)
+{
+    std::string::size_type pos = filename.find_last_of(".");
+    if (pos == std::string::npos)
+        throw dlib::error("invalid filename: " + filename);
+    return filename.substr(0,pos) + ".png";
+}
+
+// ----------------------------------------------------------------------------------------
+
+std::string to_jpg_name (const std::string& filename)
+{
+    std::string::size_type pos = filename.find_last_of(".");
+    if (pos == std::string::npos)
+        throw dlib::error("invalid filename: " + filename);
+    return filename.substr(0,pos) + ".jpg";
+}
+
+// ----------------------------------------------------------------------------------------
+

tools/imglab/src/common.h

@@ -32,5 +32,14 @@ void make_empty_file (
 
 // ----------------------------------------------------------------------------------------
 
+std::string to_png_name (const std::string& filename);
+std::string to_jpg_name (const std::string& filename);
+
+// ----------------------------------------------------------------------------------------
+
+const int JPEG_QUALITY = 90;
+
+// ----------------------------------------------------------------------------------------
+
 #endif // DLIB_IMGLAB_COmMON_H__
 

tools/imglab/src/flip_dataset.cpp

+// Copyright (C) 2011  Davis E. King (davis@dlib.net)
+// License: Boost Software License   See LICENSE.txt for the full license.
+
+#include "flip_dataset.h"
+#include <dlib/data_io.h>
+#include <dlib/dir_nav.h>
+#include <string>
+#include "common.h"
+#include <dlib/image_transforms.h>
+
+using namespace dlib;
+using namespace std;
+
+// ----------------------------------------------------------------------------------------
+
+void flip_dataset(const command_line_parser& parser)
+{
+    image_dataset_metadata::dataset metadata;
+    const string datasource = parser.option("flip").argument();
+    load_image_dataset_metadata(metadata,datasource);
+
+    // Set the current directory to be the one that contains the
+    // metadata file. We do this because the file might contain
+    // file paths which are relative to this folder.
+    set_current_dir(get_parent_directory(file(datasource)));
+
+    const string metadata_filename = get_parent_directory(file(datasource)).full_name() +
+        directory::get_separator() + "flipped_" + file(datasource).name();
+
+
+    array2d<rgb_pixel> img, temp;
+    for (unsigned long i = 0; i < metadata.images.size(); ++i)
+    {
+        file f(metadata.images[i].filename);
+        string filename = get_parent_directory(f).full_name() + directory::get_separator() + "flipped_" + to_png_name(f.name());
+
+        load_image(img, metadata.images[i].filename);
+        flip_image_left_right(img, temp);
+        if (parser.option("jpg"))
+        {
+            filename = to_jpg_name(filename);
+            save_jpeg(temp, filename,JPEG_QUALITY);
+        }
+        else
+        {
+            save_png(temp, filename);
+        }
+
+        for (unsigned long j = 0; j < metadata.images[i].boxes.size(); ++j)
+        {
+            metadata.images[i].boxes[j].rect = impl::flip_rect_left_right(metadata.images[i].boxes[j].rect, get_rect(img));
+
+            // flip all the object parts
+            std::map<std::string,point>::iterator k;
+            for (k = metadata.images[i].boxes[j].parts.begin(); k != metadata.images[i].boxes[j].parts.end(); ++k)
+            {
+                k->second = impl::flip_rect_left_right(rectangle(k->second,k->second), get_rect(img)).tl_corner();
+            }
+        }
+
+        metadata.images[i].filename = filename;
+    }
+
+    save_image_dataset_metadata(metadata, metadata_filename);
+}
+
+// ----------------------------------------------------------------------------------------
+

tools/imglab/src/flip_dataset.h

+// Copyright (C) 2011  Davis E. King (davis@dlib.net)
+// License: Boost Software License   See LICENSE.txt for the full license.
+#ifndef DLIB_IMGLAB_FLIP_DaTASET_H__
+#define DLIB_IMGLAB_FLIP_DaTASET_H__
+
+
+#include <dlib/cmd_line_parser.h>
+
+void flip_dataset(const dlib::command_line_parser& parser);
+
+#endif // DLIB_IMGLAB_FLIP_DaTASET_H__
+

tools/imglab/src/main.cpp

@@ -6,6 +6,7 @@
 #include "convert_pascal_v1.h"
 #include "convert_idl.h"
 #include "cluster.h"
+#include "flip_dataset.h"
 #include <dlib/cmd_line_parser.h>
 #include <dlib/image_transforms.h>
 #include <dlib/svm.h>
@@ -22,7 +23,6 @@
 
 const char* VERSION = "1.12";
 
-const int JPEG_QUALITY = 90;
 
 
 using namespace std;
@@ -268,77 +268,6 @@ void merge_metadata_files (
 
 // ----------------------------------------------------------------------------------------
 
-string to_png_name (const string& filename)
-{
-    string::size_type pos = filename.find_last_of(".");
-    if (pos == string::npos)
-        throw dlib::error("invalid filename: " + filename);
-    return filename.substr(0,pos) + ".png";
-}
-
-string to_jpg_name (const string& filename)
-{
-    string::size_type pos = filename.find_last_of(".");
-    if (pos == string::npos)
-        throw dlib::error("invalid filename: " + filename);
-    return filename.substr(0,pos) + ".jpg";
-}
-
-// ----------------------------------------------------------------------------------------
-
-void flip_dataset(const command_line_parser& parser)
-{
-    image_dataset_metadata::dataset metadata;
-    const string datasource = parser.option("flip").argument();
-    load_image_dataset_metadata(metadata,datasource);
-
-    // Set the current directory to be the one that contains the
-    // metadata file. We do this because the file might contain
-    // file paths which are relative to this folder.
-    set_current_dir(get_parent_directory(file(datasource)));
-
-    const string metadata_filename = get_parent_directory(file(datasource)).full_name() +
-        directory::get_separator() + "flipped_" + file(datasource).name();
-
-
-    array2d<rgb_pixel> img, temp;
-    for (unsigned long i = 0; i < metadata.images.size(); ++i)
-    {
-        file f(metadata.images[i].filename);
-        string filename = get_parent_directory(f).full_name() + directory::get_separator() + "flipped_" + to_png_name(f.name());
-
-        load_image(img, metadata.images[i].filename);
-        flip_image_left_right(img, temp);
-        if (parser.option("jpg"))
-        {
-            filename = to_jpg_name(filename);
-            save_jpeg(temp, filename,JPEG_QUALITY);
-        }
-        else
-        {
-            save_png(temp, filename);
-        }
-
-        for (unsigned long j = 0; j < metadata.images[i].boxes.size(); ++j)
-        {
-            metadata.images[i].boxes[j].rect = impl::flip_rect_left_right(metadata.images[i].boxes[j].rect, get_rect(img));
-
-            // flip all the object parts
-            std::map<std::string,point>::iterator k;
-            for (k = metadata.images[i].boxes[j].parts.begin(); k != metadata.images[i].boxes[j].parts.end(); ++k)
-            {
-                k->second = impl::flip_rect_left_right(rectangle(k->second,k->second), get_rect(img)).tl_corner();
-            }
-        }
-
-        metadata.images[i].filename = filename;
-    }
-
-    save_image_dataset_metadata(metadata, metadata_filename);
-}
-
-// ----------------------------------------------------------------------------------------
-
 void rotate_dataset(const command_line_parser& parser)
 {
     image_dataset_metadata::dataset metadata;