Use the shared_library crate instead of loading symbols manually

This commit is contained in:
Pierre Krieger 2015-04-27 14:25:53 +02:00
parent 2ca9adffa0
commit 7df4de2ce7
5 changed files with 48 additions and 207 deletions

View file

@ -11,15 +11,16 @@ use CursorState;
use MouseCursor;
use std::collections::VecDeque;
use std::path::Path;
use std::ptr;
mod libcaca;
mod ffi;
pub struct Window {
libcaca: libcaca::LibCaca,
display: *mut libcaca::caca_display_t,
libcaca: ffi::LibCaca,
display: *mut ffi::caca_display_t,
opengl: OsMesaContext,
dither: *mut libcaca::caca_dither_t,
dither: *mut ffi::caca_dither_t,
}
#[derive(Clone)]
@ -83,12 +84,12 @@ impl Window {
let opengl = try!(OsMesaContext::new(builder));
let opengl_dimensions = opengl.get_dimensions();
let libcaca = match libcaca::LibCaca::open() {
let libcaca = match ffi::LibCaca::open(&Path::new("libcaca.so.0")) {
Err(_) => return Err(CreationError::NotSupported),
Ok(l) => l
};
let display = unsafe { libcaca.caca_create_display(ptr::null_mut()) };
let display = unsafe { (libcaca.caca_create_display)(ptr::null_mut()) };
if display.is_null() {
return Err(CreationError::OsError("caca_create_display failed".to_string()));
@ -101,14 +102,14 @@ impl Window {
fn get_masks() -> (u32, u32, u32, u32) { (0xff000000, 0xff0000, 0xff00, 0xff) }
let masks = get_masks();
libcaca.caca_create_dither(32, opengl_dimensions.0 as libc::c_int,
opengl_dimensions.1 as libc::c_int,
opengl_dimensions.0 as libc::c_int * 4,
masks.0, masks.1, masks.2, masks.3)
(libcaca.caca_create_dither)(32, opengl_dimensions.0 as libc::c_int,
opengl_dimensions.1 as libc::c_int,
opengl_dimensions.0 as libc::c_int * 4,
masks.0, masks.1, masks.2, masks.3)
};
if dither.is_null() {
unsafe { libcaca.caca_free_display(display) };
unsafe { (libcaca.caca_free_display)(display) };
return Err(CreationError::OsError("caca_create_dither failed".to_string()));
}
@ -182,17 +183,17 @@ impl Window {
pub fn swap_buffers(&self) {
unsafe {
let canvas = self.libcaca.caca_get_canvas(self.display);
let width = self.libcaca.caca_get_canvas_width(canvas);
let height = self.libcaca.caca_get_canvas_height(canvas);
let canvas = (self.libcaca.caca_get_canvas)(self.display);
let width = (self.libcaca.caca_get_canvas_width)(canvas);
let height = (self.libcaca.caca_get_canvas_height)(canvas);
let buffer = self.opengl.get_framebuffer().chunks(self.opengl.get_dimensions().0 as usize)
.flat_map(|i| i.iter().cloned()).rev().collect::<Vec<u32>>();
self.libcaca.caca_dither_bitmap(canvas, 0, 0, width as libc::c_int,
height as libc::c_int, self.dither,
buffer.as_ptr() as *const _);
self.libcaca.caca_refresh_display(self.display);
(self.libcaca.caca_dither_bitmap)(canvas, 0, 0, width as libc::c_int,
height as libc::c_int, self.dither,
buffer.as_ptr() as *const _);
(self.libcaca.caca_refresh_display)(self.display);
};
}
@ -234,8 +235,8 @@ impl Window {
impl Drop for Window {
fn drop(&mut self) {
unsafe {
self.libcaca.caca_free_dither(self.dither);
self.libcaca.caca_free_display(self.display);
(self.libcaca.caca_free_dither)(self.dither);
(self.libcaca.caca_free_display)(self.display);
}
}
}