Added support for binding classes to MATLAB.

dlib/matlab/CMakeLists.txt

@@ -13,4 +13,5 @@ include(../cmake)
 add_mex_function(example_mex_function dlib)
 add_mex_function(example_mex_callback dlib)
 add_mex_function(example_mex_struct dlib)
+add_mex_function(mex_example_class dlib)
 

dlib/matlab/mex_example_class.cpp

+// The contents of this file are in the public domain. See LICENSE_FOR_EXAMPLE_PROGRAMS.txt
+/*
+    This mex file will create a MATLAB function called mex_example_class.  If you call it
+    with no arguments it will output the MATLAB .m code to create a MATLAB wrapper class.
+    Paste that code into a .m file.  Then you will be able to work with this C++ class
+    directly in MATLAB.
+*/
+
+#include <iostream>
+#include <dlib/matrix.h>
+
+
+using namespace std;
+using namespace dlib;
+
+class example_class 
+{
+public:
+
+    // The class must have a default constructor.  It's also the only kind of constructor
+    // you can call from MATLAB.
+    example_class()
+    {
+        xx.set_size(3,2);
+        xx = 1;
+    }
+
+    // The rest of the member functions that you want to bind have to return void and
+    // generally have the same syntax limitations as regular mex funcitons.
+    void do_stuff(const matrix_colmajor& x)
+    {
+        cout << "in do_stuff" << endl;
+        cout << x << endl;
+        xx = x;
+    }
+
+    void do_other_stuff(int x)
+    {
+        cout << "in do_other_stuff" << endl;
+        cout << "x: " << x << endl;
+    }
+
+    void print_state()
+    {
+        cout << xx << endl;
+    }
+
+    // saveobj() and load_obj() are special functions. If you provide these then you will
+    // be able to save() and load() your objects using MATLAB's built in object
+    // serialization.
+    void saveobj(matrix_colmajor& state)
+    {
+        // save this object's state to state.
+        state = xx;
+    }
+    void load_obj(const matrix_colmajor& state)
+    {
+        xx = state;
+    }
+
+private:
+    matrix_colmajor xx;
+};
+
+// Just tell the mex wrapper the name of your class and list the methods you want to bind.
+#define MEX_CLASS_NAME example_class 
+#define MEX_CLASS_METHODS do_stuff, do_other_stuff, print_state, saveobj, load_obj
+
+
+#include "mex_wrapper.cpp"
+
+