diff options
Diffstat (limited to 'src/api/caca/libcaca.rs')
| -rw-r--r-- | src/api/caca/libcaca.rs | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/src/api/caca/libcaca.rs b/src/api/caca/libcaca.rs deleted file mode 100644 index ce2d281..0000000 --- a/src/api/caca/libcaca.rs +++ /dev/null @@ -1,187 +0,0 @@ -use libc; -use std::ffi::CStr; -use std::mem; -use api::dlopen; - -pub type caca_display_t = libc::c_void; -pub type caca_canvas_t = libc::c_void; -pub type caca_dither_t = libc::c_void; - -pub struct LibCaca { - lib: *mut libc::c_void, - - caca_create_display: unsafe extern fn(*mut caca_canvas_t) -> *mut caca_display_t, - caca_free_display: unsafe extern fn(*mut caca_display_t) -> libc::c_int, - caca_get_canvas: unsafe extern fn(*mut caca_display_t) -> *mut caca_canvas_t, - caca_refresh_display: unsafe extern fn(*mut caca_display_t) -> libc::c_int, - caca_dither_bitmap: unsafe extern fn(*mut caca_canvas_t, libc::c_int, libc::c_int, libc::c_int, - libc::c_int, *const caca_dither_t, *const libc::c_void) - -> libc::c_int, - caca_free_dither: unsafe extern fn(*mut caca_dither_t) -> libc::c_int, - caca_create_dither: unsafe extern fn(libc::c_int, libc::c_int, libc::c_int, libc::c_int, - libc::uint32_t, libc::uint32_t, libc::uint32_t, - libc::uint32_t) -> *mut caca_dither_t, - caca_get_canvas_width: unsafe extern fn(*mut caca_canvas_t) -> libc::c_int, - caca_get_canvas_height: unsafe extern fn(*mut caca_canvas_t) -> libc::c_int, -} - -#[derive(Debug)] -pub struct OpenError { - reason: String -} - -impl LibCaca { - pub fn open() -> Result<LibCaca, OpenError> { - let lib = unsafe { dlopen::dlopen(b"libcaca.so.0\0".as_ptr() as *const _, - dlopen::RTLD_NOW) }; - - if lib.is_null() { - let cstr = unsafe { CStr::from_ptr(dlopen::dlerror()) }; - let reason = String::from_utf8(cstr.to_bytes().to_vec()).unwrap(); - return Err(OpenError { reason: reason }); - } - - let caca_create_display = match unsafe { dlopen::dlsym(lib, - b"caca_create_display\0".as_ptr() as *const _) } - { - ptr if ptr.is_null() => return Err(OpenError { - reason: "Could not load caca_create_display".to_string() - }), - ptr => ptr - }; - - let caca_free_display = match unsafe { dlopen::dlsym(lib, - b"caca_free_display\0".as_ptr() as *const _) } - { - ptr if ptr.is_null() => return Err(OpenError { - reason: "Could not load caca_free_display".to_string() - }), - ptr => ptr - }; - - let caca_get_canvas = match unsafe { dlopen::dlsym(lib, - b"caca_get_canvas\0".as_ptr() as *const _) } - { - ptr if ptr.is_null() => return Err(OpenError { - reason: "Could not load caca_get_canvas".to_string() - }), - ptr => ptr - }; - - let caca_refresh_display = match unsafe { dlopen::dlsym(lib, - b"caca_refresh_display\0".as_ptr() as *const _) } - { - ptr if ptr.is_null() => return Err(OpenError { - reason: "Could not load caca_refresh_display".to_string() - }), - ptr => ptr - }; - - let caca_dither_bitmap = match unsafe { dlopen::dlsym(lib, - b"caca_dither_bitmap\0".as_ptr() as *const _) } - { - ptr if ptr.is_null() => return Err(OpenError { - reason: "Could not load caca_dither_bitmap".to_string() - }), - ptr => ptr - }; - - let caca_free_dither = match unsafe { dlopen::dlsym(lib, - b"caca_free_dither\0".as_ptr() as *const _) } - { - ptr if ptr.is_null() => return Err(OpenError { - reason: "Could not load caca_free_dither".to_string() - }), - ptr => ptr - }; - - let caca_create_dither = match unsafe { dlopen::dlsym(lib, - b"caca_create_dither\0".as_ptr() as *const _) } - { - ptr if ptr.is_null() => return Err(OpenError { - reason: "Could not load caca_create_dither".to_string() - }), - ptr => ptr - }; - - let caca_get_canvas_width = match unsafe { dlopen::dlsym(lib, - b"caca_get_canvas_width\0".as_ptr() as *const _) } - { - ptr if ptr.is_null() => return Err(OpenError { - reason: "Could not load caca_get_canvas_width".to_string() - }), - ptr => ptr - }; - - let caca_get_canvas_height = match unsafe { dlopen::dlsym(lib, - b"caca_get_canvas_height\0".as_ptr() as *const _) } - { - ptr if ptr.is_null() => return Err(OpenError { - reason: "Could not load caca_get_canvas_height".to_string() - }), - ptr => ptr - }; - - Ok(LibCaca { - lib: lib, - - caca_create_display: unsafe { mem::transmute(caca_create_display) }, - caca_free_display: unsafe { mem::transmute(caca_free_display) }, - caca_get_canvas: unsafe { mem::transmute(caca_get_canvas) }, - caca_refresh_display: unsafe { mem::transmute(caca_refresh_display) }, - caca_dither_bitmap: unsafe { mem::transmute(caca_dither_bitmap) }, - caca_free_dither: unsafe { mem::transmute(caca_free_dither) }, - caca_create_dither: unsafe { mem::transmute(caca_create_dither) }, - caca_get_canvas_width: unsafe { mem::transmute(caca_get_canvas_width) }, - caca_get_canvas_height: unsafe { mem::transmute(caca_get_canvas_height) }, - }) - } - - pub unsafe fn caca_create_display(&self, cv: *mut caca_canvas_t) -> *mut caca_display_t { - (self.caca_create_display)(cv) - } - - pub unsafe fn caca_free_display(&self, dp: *mut caca_display_t) -> libc::c_int { - (self.caca_free_display)(dp) - } - - pub unsafe fn caca_get_canvas(&self, dp: *mut caca_display_t) -> *mut caca_canvas_t { - (self.caca_get_canvas)(dp) - } - - pub unsafe fn caca_refresh_display(&self, dp: *mut caca_display_t) -> libc::c_int { - (self.caca_refresh_display)(dp) - } - - pub unsafe fn caca_dither_bitmap(&self, cv: *mut caca_canvas_t, x: libc::c_int, y: libc::c_int, - w: libc::c_int, h: libc::c_int, d: *const caca_dither_t, - pixels: *const libc::c_void) -> libc::c_int - { - (self.caca_dither_bitmap)(cv, x, y, w, h, d, pixels) - } - - pub unsafe fn caca_free_dither(&self, d: *mut caca_dither_t) -> libc::c_int { - (self.caca_free_dither)(d) - } - - pub unsafe fn caca_create_dither(&self, bpp: libc::c_int, w: libc::c_int, h: libc::c_int, - pitch: libc::c_int, rmask: libc::uint32_t, gmask: libc::uint32_t, - bmask: libc::uint32_t, amask: libc::uint32_t) -> *mut caca_dither_t - { - (self.caca_create_dither)(bpp, w, h, pitch, rmask, gmask, bmask, amask) - } - - pub unsafe fn caca_get_canvas_width(&self, cv: *mut caca_canvas_t) -> libc::c_int { - (self.caca_get_canvas_width)(cv) - } - - pub unsafe fn caca_get_canvas_height(&self, cv: *mut caca_canvas_t) -> libc::c_int { - (self.caca_get_canvas_height)(cv) - } -} - -impl Drop for LibCaca { - fn drop(&mut self) { - unsafe { dlopen::dlclose(self.lib); } - } -} |