From d62e56f4df9594f72ce501f5e19c974fd18e7295 Mon Sep 17 00:00:00 2001
From: Thomas Grill <xovo@users.sourceforge.net>
Date: Tue, 22 Oct 2002 23:07:10 +0000
Subject: This commit was generated by cvs2svn to compensate for changes in
 r186, which included commits to RCS files with non-trunk default branches.

svn path=/trunk/; revision=187
---
 externals/grill/flext/tutorial/simple1/main.cpp | 78 +++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100755 externals/grill/flext/tutorial/simple1/main.cpp

(limited to 'externals/grill/flext/tutorial/simple1/main.cpp')

diff --git a/externals/grill/flext/tutorial/simple1/main.cpp b/externals/grill/flext/tutorial/simple1/main.cpp
new file mode 100755
index 00000000..38f12573
--- /dev/null
+++ b/externals/grill/flext/tutorial/simple1/main.cpp
@@ -0,0 +1,78 @@
+/* 
+flext tutorial - simple 1 
+
+Copyright (c) 2002 Thomas Grill (xovo@gmx.net)
+For information on usage and redistribution, and for a DISCLAIMER OF ALL
+WARRANTIES, see the file, "license.txt," in this distribution.  
+
+-------------------------------------------------------------------------
+
+This is an example of a simple object doing a float inversion
+*/
+
+// include flext header
+#include <flext.h>
+
+// check for appropriate flext version
+#if !defined(FLEXT_VERSION) || (FLEXT_VERSION < 300)
+#error You need at least flext version 0.3.0
+#endif
+
+
+// define the class that stands for a pd/Max object
+// Attention: the class name must be the same as the object name!! (without an eventual ~)
+
+class simple1:
+	// inherit from basic flext class
+	public flext_base
+{
+	// obligatory flext header (class name,base class name)
+	FLEXT_HEADER(simple1,flext_base)
+ 
+public:
+	// constructor
+	simple1();
+
+protected:
+	void m_float(float f);  // method for float values
+
+private:
+	FLEXT_CALLBACK_1(m_float,float);  // callback for method "m_float" (with one float argument)
+};
+
+// instantiate the class
+FLEXT_NEW("simple1",simple1)
+
+
+simple1::simple1()
+{ 
+	// define inlets:
+	// first inlet must always by of type anything (or signal for dsp objects)
+	AddInAnything();  // add one inlet for any message
+	
+	// define outlets:
+	AddOutFloat();  // add one float outlet (has index 0)
+	
+	 // set up inlets and outlets - obligatory! 
+	SetupInOut(); 
+
+	// register methods
+	FLEXT_ADDMETHOD(0,m_float);  // register method (for float messages) "m_float" for inlet 0
+} 
+
+void simple1::m_float(float f)
+{
+	float res;
+	if(f == 0) {
+		// special case 0
+		post("%s - zero can't be inverted!",thisName());
+		res = 0;
+	}
+	else 
+		// normal case
+		res = 1/f;
+
+	// output value to outlet
+	ToOutFloat(0,res); // (0 stands for the outlet index 0 - the leftmost outlet)
+}
+
-- 
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