1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
use std::mem::MaybeUninit;
use std::time::Duration;
use crate::{Pixbuf, PixbufAnimation, PixbufAnimationIter};
use glib::subclass::prelude::*;
use glib::translate::*;
use glib::Cast;
pub trait PixbufAnimationImpl: ObjectImpl {
fn is_static_image(&self) -> bool {
self.parent_is_static_image()
}
fn static_image(&self) -> Option<Pixbuf> {
self.parent_static_image()
}
fn size(&self) -> (i32, i32) {
self.parent_size()
}
fn iter(&self, start_time: Duration) -> PixbufAnimationIter {
self.parent_iter(start_time)
}
}
pub trait PixbufAnimationImplExt: ObjectSubclass {
fn parent_is_static_image(&self) -> bool;
fn parent_static_image(&self) -> Option<Pixbuf>;
fn parent_size(&self) -> (i32, i32);
fn parent_iter(&self, start_time: Duration) -> PixbufAnimationIter;
}
impl<T: PixbufAnimationImpl> PixbufAnimationImplExt for T {
fn parent_is_static_image(&self) -> bool {
unsafe {
let data = T::type_data();
let parent_class = data.as_ref().parent_class() as *mut ffi::GdkPixbufAnimationClass;
let f = (*parent_class)
.is_static_image
.expect("No parent class implementation for \"is_static_image\"");
from_glib(f(self
.obj()
.unsafe_cast_ref::<PixbufAnimation>()
.to_glib_none()
.0))
}
}
fn parent_static_image(&self) -> Option<Pixbuf> {
unsafe {
let data = T::type_data();
let parent_class = data.as_ref().parent_class() as *mut ffi::GdkPixbufAnimationClass;
let f = (*parent_class)
.get_static_image
.expect("No parent class implementation for \"get_static_image\"");
from_glib_none(f(self
.obj()
.unsafe_cast_ref::<PixbufAnimation>()
.to_glib_none()
.0))
}
}
fn parent_size(&self) -> (i32, i32) {
unsafe {
let data = T::type_data();
let parent_class = data.as_ref().parent_class() as *mut ffi::GdkPixbufAnimationClass;
let f = (*parent_class)
.get_size
.expect("No parent class implementation for \"get_size\"");
let mut width = MaybeUninit::uninit();
let mut height = MaybeUninit::uninit();
f(
self.obj()
.unsafe_cast_ref::<PixbufAnimation>()
.to_glib_none()
.0,
width.as_mut_ptr(),
height.as_mut_ptr(),
);
(width.assume_init(), height.assume_init())
}
}
fn parent_iter(&self, start_time: Duration) -> PixbufAnimationIter {
unsafe {
let data = T::type_data();
let parent_class = data.as_ref().parent_class() as *mut ffi::GdkPixbufAnimationClass;
let f = (*parent_class)
.get_iter
.expect("No parent class implementation for \"get_iter\"");
let time = glib::ffi::GTimeVal {
tv_sec: start_time.as_secs() as _,
tv_usec: start_time.subsec_micros() as _,
};
from_glib_full(f(
self.obj()
.unsafe_cast_ref::<PixbufAnimation>()
.to_glib_none()
.0,
&time as *const _,
))
}
}
}
unsafe impl<T: PixbufAnimationImpl> IsSubclassable<T> for PixbufAnimation {
fn class_init(class: &mut ::glib::Class<Self>) {
Self::parent_class_init::<T>(class);
let klass = class.as_mut();
klass.get_static_image = Some(animation_get_static_image::<T>);
klass.get_size = Some(animation_get_size::<T>);
klass.get_iter = Some(animation_get_iter::<T>);
klass.is_static_image = Some(animation_is_static_image::<T>);
}
}
unsafe extern "C" fn animation_is_static_image<T: PixbufAnimationImpl>(
ptr: *mut ffi::GdkPixbufAnimation,
) -> glib::ffi::gboolean {
let instance = &*(ptr as *mut T::Instance);
let imp = instance.imp();
imp.is_static_image().into_glib()
}
unsafe extern "C" fn animation_get_size<T: PixbufAnimationImpl>(
ptr: *mut ffi::GdkPixbufAnimation,
width_ptr: *mut libc::c_int,
height_ptr: *mut libc::c_int,
) {
let instance = &*(ptr as *mut T::Instance);
let imp = instance.imp();
let (width, height) = imp.size();
*width_ptr = width;
*height_ptr = height;
}
unsafe extern "C" fn animation_get_static_image<T: PixbufAnimationImpl>(
ptr: *mut ffi::GdkPixbufAnimation,
) -> *mut ffi::GdkPixbuf {
let instance = &*(ptr as *mut T::Instance);
let imp = instance.imp();
imp.static_image().to_glib_none().0
}
unsafe extern "C" fn animation_get_iter<T: PixbufAnimationImpl>(
ptr: *mut ffi::GdkPixbufAnimation,
start_time_ptr: *const glib::ffi::GTimeVal,
) -> *mut ffi::GdkPixbufAnimationIter {
let instance = &*(ptr as *mut T::Instance);
let imp = instance.imp();
let total = Duration::from_secs((*start_time_ptr).tv_sec.try_into().unwrap())
+ Duration::from_micros((*start_time_ptr).tv_usec.try_into().unwrap());
imp.iter(total).to_glib_full()
}