From f21700e00e81538d5510973a51b8ae97fb4a24dd Mon Sep 17 00:00:00 2001
From: "Daniel M. Pelt" <D.M.Pelt@cwi.nl>
Date: Fri, 13 Mar 2015 17:12:42 +0100
Subject: Enable logging to Matlab window using callback function

Also introduces a mex initialize function that is called
at the first invocation of any mex method.
---
 matlab/mex/mexInitFunctions.cpp | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 matlab/mex/mexInitFunctions.cpp

(limited to 'matlab/mex/mexInitFunctions.cpp')

diff --git a/matlab/mex/mexInitFunctions.cpp b/matlab/mex/mexInitFunctions.cpp
new file mode 100644
index 0000000..d8a50d7
--- /dev/null
+++ b/matlab/mex/mexInitFunctions.cpp
@@ -0,0 +1,24 @@
+#include <mex.h>
+#include "astra/Logging.h"
+
+bool mexIsInitialized=false;
+
+/**
+ * Callback to print log message to Matlab window.
+ *
+ */
+void logCallBack(const char *msg, size_t len){
+    mexPrintf(msg);
+}
+
+/**
+ * Initialize mex functions.
+ *
+ */
+void initASTRAMex(){
+    if(mexIsInitialized) return;
+    if(!astra::CLogger::setCallbackScreen(&logCallBack)){
+        mexErrMsgTxt("Error initializing mex functions.");
+    }
+    mexIsInitialized=true;
+}
-- 
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