leanshot/imlib2/image.rs
Michael Zhang de118c6047
try build
2018-09-10 23:13:33 -05:00

45 lines
1.3 KiB
Rust

use std::ffi::CString;
use std::path::Path;
use imlib2_sys as im;
use x11;
use Error;
/// A simple wrapper around Imlib_Image
pub struct Image {
inner: im::Imlib_Image,
}
impl Image {
/// Set the display for the imlib context.
pub fn context_set_display(display: *mut x11::xlib::Display) {
unsafe { im::imlib_context_set_display(display as *mut im::_XDisplay) };
}
/// Creates an Image from a pixmap.
pub fn create_from_drawable(
drawable: impl AsRef<im::Drawable>,
pixmap: im::Pixmap,
x: i32,
y: i32,
width: i32,
height: i32,
grab_x: bool,
) -> Result<Self, Error> {
unsafe { im::imlib_context_set_drawable(*drawable.as_ref()) };
let image = unsafe {
im::imlib_create_image_from_drawable(pixmap, x, y, width, height, if grab_x{ 1 } else { 0 }) as im::Imlib_Image
};
Ok(Image { inner: image })
}
/// Save this image
pub fn save_image(&self, file: impl AsRef<Path>) -> Result<(), Error> {
unsafe { im::imlib_context_set_image((*self).inner) };
let mut error = 0;
let path = CString::new(file.as_ref().to_str().unwrap()).unwrap();
unsafe { im::imlib_save_image_with_error_return(path.as_ptr(), &mut error) };
Ok(())
}
}