made imglab work with image parts.

tools/imglab/src/main.cpp

 
 #include "dlib/data_io.h"
+#include "dlib/string.h"
 #include "metadata_editor.h"
 #include "convert_pascal_xml.h"
 #include "convert_pascal_v1.h"
@@ -13,7 +14,7 @@
 #include <dlib/dir_nav.h>
 
 
-const char* VERSION = "0.3";
+const char* VERSION = "0.4";
 
 
 
@@ -125,20 +126,25 @@ int main(int argc, char** argv)
         parser.add_option("l","List all the labels in the given XML file.");
         parser.add_option("rename", "Rename all labels of <arg1> to <arg2>.",2);
         parser.add_option("v","Display version.");
+        parser.add_option("parts","The display will allow image parts to be labeled.  The set of allowable parts "
+                          "defined in a space separated list contained in <arg>.",1);
         parser.add_option("convert","Convert foreign image Annotations from <arg> format to the imglab format. "
                           "Supported formats: pascal-xml, pascal-v1, idl.",1);
 
         parser.parse(argc, argv);
 
-        const char* singles[] = {"h","c","r","l","convert"};
+        const char* singles[] = {"h","c","r","l","convert","parts"};
         parser.check_one_time_options(singles);
         const char* c_sub_ops[] = {"r", "convert"};
         parser.check_sub_options("c", c_sub_ops);
         parser.check_incompatible_options("c", "l");
         parser.check_incompatible_options("c", "rename");
+        parser.check_incompatible_options("c", "parts");
         parser.check_incompatible_options("l", "rename");
+        parser.check_incompatible_options("l", "parts");
         parser.check_incompatible_options("convert", "l");
         parser.check_incompatible_options("convert", "rename");
+        parser.check_incompatible_options("convert", "parts");
         const char* convert_args[] = {"pascal-xml","pascal-v1","idl"};
         parser.check_option_arg_range("convert", convert_args);
 
@@ -212,6 +218,14 @@ int main(int argc, char** argv)
         if (parser.number_of_arguments() == 1)
         {
             metadata_editor editor(parser[0]);
+            if (parser.option("parts"))
+            {
+                std::vector<string> parts = split(parser.option("parts").argument());
+                for (unsigned long i = 0; i < parts.size(); ++i)
+                {
+                    editor.add_labelable_part_name(parts[i]);
+                }
+            }
             editor.wait_until_closed();
         }
     }

tools/imglab/src/metadata_editor.cpp

@@ -99,6 +99,16 @@ metadata_editor::
 
 // ----------------------------------------------------------------------------------------
 
+void metadata_editor::
+add_labelable_part_name (
+    const std::string& name
+)
+{
+    display.add_labelable_part_name(name);
+}
+
+// ----------------------------------------------------------------------------------------
+
 void metadata_editor::
 file_save()
 {
@@ -279,6 +289,7 @@ std::vector<dlib::image_display::overlay_rect> get_overlays (
     {
         temp[i].rect = data.boxes[i].rect;
         temp[i].label = data.boxes[i].label;
+        temp[i].parts = data.boxes[i].parts;
         assign_pixel(temp[i].color, rgb_pixel(255,0,0));
     }
     return temp;
@@ -376,6 +387,7 @@ on_overlay_rects_changed(
             box temp;
             temp.label = rects[i].label;
             temp.rect = rects[i].rect;
+            temp.parts = rects[i].parts;
             boxes.push_back(temp);
         }
     }
@@ -417,6 +429,12 @@ display_about(
                         "a rectangle selects it and the delete key removes it."
                         ,0,0) << endl << endl;
 
+    sout << wrap_string("It is also possible to label object parts by selecting a rectangle and "
+                        "then right clicking.  A popup menu will appear and you can select a part label. "
+                        "Note that you must define the allowable part labels by giving --parts on the "
+                        "command line.  An example would be '--parts \"leye reye nose mouth\"'."
+                        ,0,0) << endl << endl;
+
     sout << wrap_string("Finally, hold ctrl and scroll the mouse wheel to zoom while normal left click "
                         "and drag allows you to navigate around the image.",0,0) << endl;
 

tools/imglab/src/metadata_editor.h

@@ -17,6 +17,10 @@ public:
 
     ~metadata_editor();
 
+    void add_labelable_part_name (
+        const std::string& name
+    );
+
 private:
 
     void file_save();