--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dstep/applicationservices/coregraphics/CGFunction.d	Mon Aug 03 14:00:21 2009 +0200
@@ -0,0 +1,35 @@
+/**
+ * Copyright: Copyright (c) 2009 Jacob Carlborg.
+ * Authors: Jacob Carlborg
+ * Version: Initial created: Aug 1, 2009 
+ * License: $(LINK2 http://www.boost.org/LICENSE_1_0.txt, Boost Software License 1.0)
+ */
+module dstep.applicationservices.coregraphics.CGFunction;
+
+import dstep.corefoundation.CFBase;
+import dstep.applicationservices.coregraphics.CGBase;
+
+struct CGFunction;
+
+alias CGFunction* CGFunctionRef;
+
+extern (C)
+{
+	alias void function (void*, CGFloat*, CGFloat*) CGFunctionEvaluateCallback;
+	alias void function (void*) CGFunctionReleaseInfoCallback;
+}
+
+struct CGFunctionCallbacks
+{
+	uint version_;
+	CGFunctionEvaluateCallback evaluate;
+	CGFunctionReleaseInfoCallback releaseInfo;
+}
+
+extern (C)
+{
+	uint CGFunctionGetTypeID ();
+	CGFunctionRef CGFunctionCreate (void* info, uint domainDimension, CGFloat* domain, uint rangeDimension, CGFloat* range, CGFunctionCallbacks* callbacks);
+	CGFunctionRef CGFunctionRetain (CGFunctionRef function_);
+	void CGFunctionRelease (CGFunctionRef function_);
+}
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