1 files changed, 34 insertions, 0 deletions
diff --git a/src/gegl_ffi.rs b/src/gegl_ffi.rs
new file mode 100644
index 0000000..093fc3b
--- /dev/null
+++ b/src/gegl_ffi.rs
@@ -0,0 +1,34 @@
+extern crate libc;
+
+#[repr(C)]
+#[derive(Debug)]
+pub struct GeglRectangle {
+    pub x: i32,
+    pub y: i32,
+    pub width: i32,
+    pub height: i32,
+}
+
+pub enum CGeglNode {}
+pub enum GeglBuffer {}
+
+#[link(name="gegl-0.3")]
+extern {
+    pub fn gegl_init(argc: *mut i32, argv: *mut *mut libc::c_char);
+    pub fn gegl_node_new() -> *mut CGeglNode;
+    pub fn gegl_node_create_child(parent: *mut CGeglNode,
+                                  operation: *const libc::c_char)
+                                  -> *mut CGeglNode;
+    pub fn gegl_node_set_property(node: *mut CGeglNode,
+                                  property_name: *const libc::c_char,
+                                  value: *const libc::c_void);
+    pub fn gegl_node_link(source: *mut CGeglNode,
+                          sink: *mut CGeglNode);
+    pub fn gegl_node_process(node: *mut CGeglNode);
+    pub fn g_object_unref(object: *mut libc::c_void);
+    pub fn gegl_exit();
+    pub fn gegl_buffer_new(extent: *mut libc::c_void, format: *mut libc::c_void)
+                           -> *mut GeglBuffer;
+    pub fn gegl_buffer_get_extent(buffer: *const libc::c_void) ->
+        *const GeglRectangle;
+}