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extern crate libc;
use gegl_ffi as ffi;
use std::ptr;
use std::ffi::CString;
pub struct GeglContext {
_private: ()
}
unsafe fn unref<T>(object: *mut T) {
ffi::g_object_unref(object as *mut libc::c_void);
}
impl GeglContext {
pub fn new() -> GeglContext {
unsafe { ffi::gegl_init(&mut 0, ptr::null_mut()) }
GeglContext { _private: () }
}
pub fn new_node(&self) -> GeglNode {
GeglNode(unsafe { ffi::gegl_node_new() })
}
}
impl Drop for GeglContext {
fn drop(&mut self) {
unsafe { ffi::gegl_exit(); }
}
}
pub struct GeglNode(*mut ffi::CGeglNode);
impl GeglNode {
pub fn create_child(self, operation: &str) -> GeglNode {
GeglNode(unsafe {
let operation0 = CString::new(operation).unwrap();
ffi::gegl_node_create_child(self.0, operation0.as_ptr())
})
}
}
impl Drop for GeglNode {
fn drop(&mut self) {
unsafe { unref(self.0); }
}
}
#[cfg(test)]
mod tests {
use super::*;
use gegl_ffi as ffi;
#[test]
fn can_create_nodes() {
let context = GeglContext::new();
let node = context.new_node();
let node2 = context.new_node();
}
}
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