use gdk_pixbuf_sys;
use glib;
use glib::object::Cast;
use glib::object::IsA;
use glib::signal::connect_raw;
use glib::signal::SignalHandlerId;
use glib::translate::*;
use glib_sys;
use libc;
use std::boxed::Box as Box_;
use std::fmt;
use std::mem::transmute;
use std::ptr;
use Pixbuf;
use PixbufAnimation;
use PixbufFormat;
glib_wrapper! {
pub struct PixbufLoader(Object<gdk_pixbuf_sys::GdkPixbufLoader, gdk_pixbuf_sys::GdkPixbufLoaderClass, PixbufLoaderClass>);
match fn {
get_type => || gdk_pixbuf_sys::gdk_pixbuf_loader_get_type(),
}
}
impl PixbufLoader {
pub fn new() -> PixbufLoader {
unsafe { from_glib_full(gdk_pixbuf_sys::gdk_pixbuf_loader_new()) }
}
pub fn new_with_mime_type(mime_type: &str) -> Result<PixbufLoader, glib::Error> {
unsafe {
let mut error = ptr::null_mut();
let ret = gdk_pixbuf_sys::gdk_pixbuf_loader_new_with_mime_type(
mime_type.to_glib_none().0,
&mut error,
);
if error.is_null() {
Ok(from_glib_full(ret))
} else {
Err(from_glib_full(error))
}
}
}
pub fn new_with_type(image_type: &str) -> Result<PixbufLoader, glib::Error> {
unsafe {
let mut error = ptr::null_mut();
let ret = gdk_pixbuf_sys::gdk_pixbuf_loader_new_with_type(
image_type.to_glib_none().0,
&mut error,
);
if error.is_null() {
Ok(from_glib_full(ret))
} else {
Err(from_glib_full(error))
}
}
}
}
impl Default for PixbufLoader {
fn default() -> Self {
Self::new()
}
}
pub const NONE_PIXBUF_LOADER: Option<&PixbufLoader> = None;
pub trait PixbufLoaderExt: 'static {
fn close(&self) -> Result<(), glib::Error>;
fn get_animation(&self) -> Option<PixbufAnimation>;
fn get_format(&self) -> Option<PixbufFormat>;
fn get_pixbuf(&self) -> Option<Pixbuf>;
fn set_size(&self, width: i32, height: i32);
fn write(&self, buf: &[u8]) -> Result<(), glib::Error>;
fn write_bytes(&self, buffer: &glib::Bytes) -> Result<(), glib::Error>;
fn connect_area_prepared<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;
fn connect_area_updated<F: Fn(&Self, i32, i32, i32, i32) + 'static>(
&self,
f: F,
) -> SignalHandlerId;
fn connect_closed<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;
fn connect_size_prepared<F: Fn(&Self, i32, i32) + 'static>(&self, f: F) -> SignalHandlerId;
}
impl<O: IsA<PixbufLoader>> PixbufLoaderExt for O {
fn close(&self) -> Result<(), glib::Error> {
unsafe {
let mut error = ptr::null_mut();
let _ =
gdk_pixbuf_sys::gdk_pixbuf_loader_close(self.as_ref().to_glib_none().0, &mut error);
if error.is_null() {
Ok(())
} else {
Err(from_glib_full(error))
}
}
}
fn get_animation(&self) -> Option<PixbufAnimation> {
unsafe {
from_glib_none(gdk_pixbuf_sys::gdk_pixbuf_loader_get_animation(
self.as_ref().to_glib_none().0,
))
}
}
fn get_format(&self) -> Option<PixbufFormat> {
unsafe {
from_glib_none(gdk_pixbuf_sys::gdk_pixbuf_loader_get_format(
self.as_ref().to_glib_none().0,
))
}
}
fn get_pixbuf(&self) -> Option<Pixbuf> {
unsafe {
from_glib_none(gdk_pixbuf_sys::gdk_pixbuf_loader_get_pixbuf(
self.as_ref().to_glib_none().0,
))
}
}
fn set_size(&self, width: i32, height: i32) {
unsafe {
gdk_pixbuf_sys::gdk_pixbuf_loader_set_size(
self.as_ref().to_glib_none().0,
width,
height,
);
}
}
fn write(&self, buf: &[u8]) -> Result<(), glib::Error> {
let count = buf.len() as usize;
unsafe {
let mut error = ptr::null_mut();
let _ = gdk_pixbuf_sys::gdk_pixbuf_loader_write(
self.as_ref().to_glib_none().0,
buf.to_glib_none().0,
count,
&mut error,
);
if error.is_null() {
Ok(())
} else {
Err(from_glib_full(error))
}
}
}
fn write_bytes(&self, buffer: &glib::Bytes) -> Result<(), glib::Error> {
unsafe {
let mut error = ptr::null_mut();
let _ = gdk_pixbuf_sys::gdk_pixbuf_loader_write_bytes(
self.as_ref().to_glib_none().0,
buffer.to_glib_none().0,
&mut error,
);
if error.is_null() {
Ok(())
} else {
Err(from_glib_full(error))
}
}
}
fn connect_area_prepared<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
unsafe extern "C" fn area_prepared_trampoline<P, F: Fn(&P) + 'static>(
this: *mut gdk_pixbuf_sys::GdkPixbufLoader,
f: glib_sys::gpointer,
) where
P: IsA<PixbufLoader>,
{
let f: &F = &*(f as *const F);
f(&PixbufLoader::from_glib_borrow(this).unsafe_cast())
}
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.as_ptr() as *mut _,
b"area-prepared\0".as_ptr() as *const _,
Some(transmute(area_prepared_trampoline::<Self, F> as usize)),
Box_::into_raw(f),
)
}
}
fn connect_area_updated<F: Fn(&Self, i32, i32, i32, i32) + 'static>(
&self,
f: F,
) -> SignalHandlerId {
unsafe extern "C" fn area_updated_trampoline<P, F: Fn(&P, i32, i32, i32, i32) + 'static>(
this: *mut gdk_pixbuf_sys::GdkPixbufLoader,
x: libc::c_int,
y: libc::c_int,
width: libc::c_int,
height: libc::c_int,
f: glib_sys::gpointer,
) where
P: IsA<PixbufLoader>,
{
let f: &F = &*(f as *const F);
f(
&PixbufLoader::from_glib_borrow(this).unsafe_cast(),
x,
y,
width,
height,
)
}
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.as_ptr() as *mut _,
b"area-updated\0".as_ptr() as *const _,
Some(transmute(area_updated_trampoline::<Self, F> as usize)),
Box_::into_raw(f),
)
}
}
fn connect_closed<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
unsafe extern "C" fn closed_trampoline<P, F: Fn(&P) + 'static>(
this: *mut gdk_pixbuf_sys::GdkPixbufLoader,
f: glib_sys::gpointer,
) where
P: IsA<PixbufLoader>,
{
let f: &F = &*(f as *const F);
f(&PixbufLoader::from_glib_borrow(this).unsafe_cast())
}
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.as_ptr() as *mut _,
b"closed\0".as_ptr() as *const _,
Some(transmute(closed_trampoline::<Self, F> as usize)),
Box_::into_raw(f),
)
}
}
fn connect_size_prepared<F: Fn(&Self, i32, i32) + 'static>(&self, f: F) -> SignalHandlerId {
unsafe extern "C" fn size_prepared_trampoline<P, F: Fn(&P, i32, i32) + 'static>(
this: *mut gdk_pixbuf_sys::GdkPixbufLoader,
width: libc::c_int,
height: libc::c_int,
f: glib_sys::gpointer,
) where
P: IsA<PixbufLoader>,
{
let f: &F = &*(f as *const F);
f(
&PixbufLoader::from_glib_borrow(this).unsafe_cast(),
width,
height,
)
}
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.as_ptr() as *mut _,
b"size-prepared\0".as_ptr() as *const _,
Some(transmute(size_prepared_trampoline::<Self, F> as usize)),
Box_::into_raw(f),
)
}
}
}
impl fmt::Display for PixbufLoader {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "PixbufLoader")
}
}