gdk_pixbuf/auto/
pixbuf_loader.rs

1// This file was generated by gir (https://github.com/gtk-rs/gir)
2// from gir-files (https://github.com/gtk-rs/gir-files)
3// DO NOT EDIT
4
5use gdk_pixbuf_sys;
6use glib;
7use glib::object::Cast;
8use glib::object::IsA;
9use glib::signal::connect_raw;
10use glib::signal::SignalHandlerId;
11use glib::translate::*;
12use glib_sys;
13use libc;
14use std::boxed::Box as Box_;
15use std::fmt;
16use std::mem::transmute;
17use std::ptr;
18use Error;
19use Pixbuf;
20use PixbufAnimation;
21use PixbufFormat;
22
23glib_wrapper! {
24    pub struct PixbufLoader(Object<gdk_pixbuf_sys::GdkPixbufLoader, gdk_pixbuf_sys::GdkPixbufLoaderClass, PixbufLoaderClass>);
25
26    match fn {
27        get_type => || gdk_pixbuf_sys::gdk_pixbuf_loader_get_type(),
28    }
29}
30
31impl PixbufLoader {
32    pub fn new() -> PixbufLoader {
33        unsafe { from_glib_full(gdk_pixbuf_sys::gdk_pixbuf_loader_new()) }
34    }
35
36    pub fn new_with_mime_type(mime_type: &str) -> Result<PixbufLoader, Error> {
37        unsafe {
38            let mut error = ptr::null_mut();
39            let ret = gdk_pixbuf_sys::gdk_pixbuf_loader_new_with_mime_type(
40                mime_type.to_glib_none().0,
41                &mut error,
42            );
43            if error.is_null() {
44                Ok(from_glib_full(ret))
45            } else {
46                Err(from_glib_full(error))
47            }
48        }
49    }
50
51    pub fn new_with_type(image_type: &str) -> Result<PixbufLoader, Error> {
52        unsafe {
53            let mut error = ptr::null_mut();
54            let ret = gdk_pixbuf_sys::gdk_pixbuf_loader_new_with_type(
55                image_type.to_glib_none().0,
56                &mut error,
57            );
58            if error.is_null() {
59                Ok(from_glib_full(ret))
60            } else {
61                Err(from_glib_full(error))
62            }
63        }
64    }
65}
66
67impl Default for PixbufLoader {
68    fn default() -> Self {
69        Self::new()
70    }
71}
72
73pub const NONE_PIXBUF_LOADER: Option<&PixbufLoader> = None;
74
75pub trait PixbufLoaderExt: 'static {
76    fn close(&self) -> Result<(), Error>;
77
78    fn get_animation(&self) -> Option<PixbufAnimation>;
79
80    fn get_format(&self) -> Option<PixbufFormat>;
81
82    fn get_pixbuf(&self) -> Option<Pixbuf>;
83
84    fn set_size(&self, width: i32, height: i32);
85
86    fn write(&self, buf: &[u8]) -> Result<(), Error>;
87
88    fn write_bytes(&self, buffer: &glib::Bytes) -> Result<(), Error>;
89
90    fn connect_area_prepared<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;
91
92    fn connect_area_updated<F: Fn(&Self, i32, i32, i32, i32) + 'static>(
93        &self,
94        f: F,
95    ) -> SignalHandlerId;
96
97    fn connect_closed<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;
98
99    fn connect_size_prepared<F: Fn(&Self, i32, i32) + 'static>(&self, f: F) -> SignalHandlerId;
100}
101
102impl<O: IsA<PixbufLoader>> PixbufLoaderExt for O {
103    fn close(&self) -> Result<(), Error> {
104        unsafe {
105            let mut error = ptr::null_mut();
106            let _ =
107                gdk_pixbuf_sys::gdk_pixbuf_loader_close(self.as_ref().to_glib_none().0, &mut error);
108            if error.is_null() {
109                Ok(())
110            } else {
111                Err(from_glib_full(error))
112            }
113        }
114    }
115
116    fn get_animation(&self) -> Option<PixbufAnimation> {
117        unsafe {
118            from_glib_none(gdk_pixbuf_sys::gdk_pixbuf_loader_get_animation(
119                self.as_ref().to_glib_none().0,
120            ))
121        }
122    }
123
124    fn get_format(&self) -> Option<PixbufFormat> {
125        unsafe {
126            from_glib_none(gdk_pixbuf_sys::gdk_pixbuf_loader_get_format(
127                self.as_ref().to_glib_none().0,
128            ))
129        }
130    }
131
132    fn get_pixbuf(&self) -> Option<Pixbuf> {
133        unsafe {
134            from_glib_none(gdk_pixbuf_sys::gdk_pixbuf_loader_get_pixbuf(
135                self.as_ref().to_glib_none().0,
136            ))
137        }
138    }
139
140    fn set_size(&self, width: i32, height: i32) {
141        unsafe {
142            gdk_pixbuf_sys::gdk_pixbuf_loader_set_size(
143                self.as_ref().to_glib_none().0,
144                width,
145                height,
146            );
147        }
148    }
149
150    fn write(&self, buf: &[u8]) -> Result<(), Error> {
151        let count = buf.len() as usize;
152        unsafe {
153            let mut error = ptr::null_mut();
154            let _ = gdk_pixbuf_sys::gdk_pixbuf_loader_write(
155                self.as_ref().to_glib_none().0,
156                buf.to_glib_none().0,
157                count,
158                &mut error,
159            );
160            if error.is_null() {
161                Ok(())
162            } else {
163                Err(from_glib_full(error))
164            }
165        }
166    }
167
168    fn write_bytes(&self, buffer: &glib::Bytes) -> Result<(), Error> {
169        unsafe {
170            let mut error = ptr::null_mut();
171            let _ = gdk_pixbuf_sys::gdk_pixbuf_loader_write_bytes(
172                self.as_ref().to_glib_none().0,
173                buffer.to_glib_none().0,
174                &mut error,
175            );
176            if error.is_null() {
177                Ok(())
178            } else {
179                Err(from_glib_full(error))
180            }
181        }
182    }
183
184    fn connect_area_prepared<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
185        unsafe extern "C" fn area_prepared_trampoline<P, F: Fn(&P) + 'static>(
186            this: *mut gdk_pixbuf_sys::GdkPixbufLoader,
187            f: glib_sys::gpointer,
188        ) where
189            P: IsA<PixbufLoader>,
190        {
191            let f: &F = &*(f as *const F);
192            f(&PixbufLoader::from_glib_borrow(this).unsafe_cast())
193        }
194        unsafe {
195            let f: Box_<F> = Box_::new(f);
196            connect_raw(
197                self.as_ptr() as *mut _,
198                b"area-prepared\0".as_ptr() as *const _,
199                Some(transmute(area_prepared_trampoline::<Self, F> as usize)),
200                Box_::into_raw(f),
201            )
202        }
203    }
204
205    fn connect_area_updated<F: Fn(&Self, i32, i32, i32, i32) + 'static>(
206        &self,
207        f: F,
208    ) -> SignalHandlerId {
209        unsafe extern "C" fn area_updated_trampoline<P, F: Fn(&P, i32, i32, i32, i32) + 'static>(
210            this: *mut gdk_pixbuf_sys::GdkPixbufLoader,
211            x: libc::c_int,
212            y: libc::c_int,
213            width: libc::c_int,
214            height: libc::c_int,
215            f: glib_sys::gpointer,
216        ) where
217            P: IsA<PixbufLoader>,
218        {
219            let f: &F = &*(f as *const F);
220            f(
221                &PixbufLoader::from_glib_borrow(this).unsafe_cast(),
222                x,
223                y,
224                width,
225                height,
226            )
227        }
228        unsafe {
229            let f: Box_<F> = Box_::new(f);
230            connect_raw(
231                self.as_ptr() as *mut _,
232                b"area-updated\0".as_ptr() as *const _,
233                Some(transmute(area_updated_trampoline::<Self, F> as usize)),
234                Box_::into_raw(f),
235            )
236        }
237    }
238
239    fn connect_closed<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
240        unsafe extern "C" fn closed_trampoline<P, F: Fn(&P) + 'static>(
241            this: *mut gdk_pixbuf_sys::GdkPixbufLoader,
242            f: glib_sys::gpointer,
243        ) where
244            P: IsA<PixbufLoader>,
245        {
246            let f: &F = &*(f as *const F);
247            f(&PixbufLoader::from_glib_borrow(this).unsafe_cast())
248        }
249        unsafe {
250            let f: Box_<F> = Box_::new(f);
251            connect_raw(
252                self.as_ptr() as *mut _,
253                b"closed\0".as_ptr() as *const _,
254                Some(transmute(closed_trampoline::<Self, F> as usize)),
255                Box_::into_raw(f),
256            )
257        }
258    }
259
260    fn connect_size_prepared<F: Fn(&Self, i32, i32) + 'static>(&self, f: F) -> SignalHandlerId {
261        unsafe extern "C" fn size_prepared_trampoline<P, F: Fn(&P, i32, i32) + 'static>(
262            this: *mut gdk_pixbuf_sys::GdkPixbufLoader,
263            width: libc::c_int,
264            height: libc::c_int,
265            f: glib_sys::gpointer,
266        ) where
267            P: IsA<PixbufLoader>,
268        {
269            let f: &F = &*(f as *const F);
270            f(
271                &PixbufLoader::from_glib_borrow(this).unsafe_cast(),
272                width,
273                height,
274            )
275        }
276        unsafe {
277            let f: Box_<F> = Box_::new(f);
278            connect_raw(
279                self.as_ptr() as *mut _,
280                b"size-prepared\0".as_ptr() as *const _,
281                Some(transmute(size_prepared_trampoline::<Self, F> as usize)),
282                Box_::into_raw(f),
283            )
284        }
285    }
286}
287
288impl fmt::Display for PixbufLoader {
289    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
290        write!(f, "PixbufLoader")
291    }
292}