Added version and about info.

tools/imglab/src/main.cpp

@@ -11,6 +11,9 @@
 #include <dlib/dir_nav.h>
 
 
+const char* VERSION = "0.1";
+
+
 typedef dlib::cmd_line_parser<char>::check_1a_c parser_type;
 
 using namespace std;
@@ -151,6 +154,7 @@ int main(int argc, char** argv)
         parser.add_option("r","Search directories recursively for images.");
         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.parse(argc, argv);
 
@@ -168,6 +172,15 @@ int main(int argc, char** argv)
             return EXIT_SUCCESS;
         }
 
+        if (parser.option("v"))
+        {
+            cout << "imglab v" << VERSION 
+                 << "\nCompiled: " << __TIME__ << " " << __DATE__ 
+                 << "\nWritten by Davis King\n";
+            cout << "Check for updates at http://dlib.net\n\n";
+            return EXIT_SUCCESS;
+        }
+
         if (parser.option("c"))
         {
             create_new_dataset(parser);

tools/imglab/src/metadata_editor.cpp

@@ -9,10 +9,13 @@
 #include <dlib/image_io.h>
 #include <dlib/array2d.h>
 #include <dlib/pixel.h>
+#include <sstream>
 
 using namespace std;
 using namespace dlib;
 
+extern const char* VERSION;
+
 // ----------------------------------------------------------------------------------------
 
 metadata_editor::
@@ -53,8 +56,9 @@ metadata_editor(
     display.set_overlay_rect_selected_handler(*this, &metadata_editor::on_overlay_rect_selected);
     overlay_label.set_text_modified_handler(*this, &metadata_editor::on_overlay_label_changed);
 
-    mbar.set_number_of_menus(1);
+    mbar.set_number_of_menus(2);
     mbar.set_menu_name(0,"File",'F');
+    mbar.set_menu_name(1,"Help",'H');
 
 
     mbar.menu(0).add_menu_item(menu_item_text("Save",*this,&metadata_editor::file_save,'S'));
@@ -64,6 +68,7 @@ metadata_editor(
     mbar.menu(0).add_menu_item(menu_item_separator());
     mbar.menu(0).add_menu_item(menu_item_text("Exit",static_cast<base_window&>(*this),&drawable_window::close_window,'x'));
 
+    mbar.menu(1).add_menu_item(menu_item_text("About",*this,&metadata_editor::display_about,'A'));
 
     // set the size of this window.
     on_window_resized();
@@ -398,3 +403,25 @@ on_overlay_rect_selected(
 
 // ----------------------------------------------------------------------------------------
 
+void metadata_editor::
+display_about(
+)
+{
+    std::ostringstream sout;
+    sout << wrap_string("Image Labeler v" + string(VERSION) + "." ,0,0) << endl << endl;
+    sout << wrap_string("This program is a tool for labeling images with rectangles. " ,0,0) << endl << endl;
+
+    sout << wrap_string("You can add new rectangles by holding the shift key, left clicking "
+                        "the mouse, and dragging it.  Hit tab to give input focus to the next "
+                        "label text field and supply a label for a rectangle.  Double clicking "
+                        "a rectangle selects it and the delete key removes it."
+                        ,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;
+
+    message_box("About Image Labeler",sout.str());
+}
+
+// ----------------------------------------------------------------------------------------
+

tools/imglab/src/metadata_editor.h

@@ -39,6 +39,8 @@ private:
     void on_overlay_label_changed();
     void on_overlay_rect_selected(const dlib::image_display::overlay_rect& orect);
 
+    void display_about();
+
     std::string filename;
     dlib::image_dataset_metadata::dataset metadata;