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use egl;
use error::Result;
pub struct Surface {
terminated: bool,
display_handle: egl::EGLDisplay,
handle: egl::EGLSurface,
}
impl Drop for Surface {
fn drop(&mut self) {
if !self.terminated {
let _ = egl::destroy_surface(self.display_handle, self.handle);
}
}
}
impl Into<egl::EGLSurface> for Surface {
fn into(self) -> egl::EGLSurface {
self.forget()
}
}
impl Surface {
pub fn from_handle(display_handle: egl::EGLDisplay,
surface_handle: egl::EGLSurface)
-> Surface {
Surface {
terminated: false,
display_handle: display_handle,
handle: surface_handle,
}
}
pub fn handle(&self) -> egl::EGLSurface {
self.handle
}
pub fn query_width(&self) -> Result<i32> {
let mut value: egl::EGLint = 0;
try!(egl::query_surface(self.display_handle, self.handle, egl::EGL_WIDTH, &mut value));
Ok(value as i32)
}
pub fn query_height(&self) -> Result<i32> {
let mut value: egl::EGLint = 0;
try!(egl::query_surface(self.display_handle,
self.handle,
egl::EGL_HEIGHT,
&mut value));
Ok(value as i32)
}
pub fn forget(mut self) -> egl::EGLSurface {
self.terminated = true;
self.handle
}
}