gdk-pixbuf 0.3.0

Rust bindings for the GdkPixbuf library
Documentation 
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

// Copyright 2013-2015, The Gtk-rs Project Developers.
// See the COPYRIGHT file at the top-level directory of this distribution.
// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>

use std::mem;
use std::ptr;
use glib::{Error, TimeVal};
use glib::object::IsA;
use glib::translate::*;
use gdk_pixbuf_ffi as ffi;
use glib_ffi;
use gobject_ffi;
use super::Pixbuf;

glib_wrapper! {
    pub struct PixbufAnimationIter(Object<ffi::GdkPixbufAnimationIter>);

    match fn {
        get_type => || ffi::gdk_pixbuf_animation_iter_get_type(),
    }
}

impl PixbufAnimationIter {
    pub fn advance(&self, start_time: &TimeVal) -> bool {
        unsafe {
            from_glib(ffi::gdk_pixbuf_animation_iter_advance(self.to_glib_none().0,
                mem::transmute(start_time)))
        }
    }

    pub fn get_pixbuf(&self) -> Pixbuf {
        unsafe { from_glib_none(ffi::gdk_pixbuf_animation_iter_get_pixbuf(self.to_glib_none().0)) }
    }

    pub fn get_delay_time(&self) -> i32 {
        unsafe { ffi::gdk_pixbuf_animation_iter_get_delay_time(self.to_glib_none().0) }
    }

    pub fn on_currently_loading_frame(&self) -> bool {
        unsafe {
            from_glib(
                ffi::gdk_pixbuf_animation_iter_on_currently_loading_frame(self.to_glib_none().0))
        }
    }
}

glib_wrapper! {
    pub struct PixbufAnimation(Object<ffi::GdkPixbufAnimation>);

    match fn {
        get_type => || ffi::gdk_pixbuf_animation_get_type(),
    }
}

impl PixbufAnimation {
    pub fn new_from_file(file: &str) -> Result<PixbufAnimation, Error> {
        #[cfg(windows)]
        use gdk_pixbuf_ffi::gdk_pixbuf_animation_new_from_file_utf8
            as gdk_pixbuf_animation_new_from_file;
        #[cfg(not(windows))]
        use gdk_pixbuf_ffi::gdk_pixbuf_animation_new_from_file;

        unsafe {
            let mut error = ptr::null_mut();
            let ptr = gdk_pixbuf_animation_new_from_file(file.to_glib_none().0, &mut error);
            if error.is_null() {
                Ok(from_glib_full(ptr))
            } else {
                Err(from_glib_full(error))
            }
        }
    }

    #[cfg(any(feature = "v2_28", feature = "dox"))]
    pub fn new_from_resource(resource_path: &str) -> Result<PixbufAnimation, Error> {
        unsafe {
            let mut error = ptr::null_mut();
            let ptr = ffi::gdk_pixbuf_animation_new_from_resource(resource_path.to_glib_none().0,
                                                                  &mut error);
            if error.is_null() {
                Ok(from_glib_full(ptr))
            } else {
                Err(from_glib_full(error))
            }
        }
    }
}

pub trait PixbufAnimationExt {
    fn get_width(&self) -> i32;
    fn get_height(&self) -> i32;
    fn get_iter(&self, start_time: &TimeVal) -> PixbufAnimationIter;
    fn is_static_image(&self) -> bool;
    fn get_static_image(&self) -> Option<Pixbuf>;
}

impl<T: IsA<PixbufAnimation>> PixbufAnimationExt for T {
    fn get_width(&self) -> i32 {
        unsafe { ffi::gdk_pixbuf_animation_get_width(self.to_glib_none().0) }
    }

    fn get_height(&self) -> i32 {
        unsafe { ffi::gdk_pixbuf_animation_get_height(self.to_glib_none().0) }
    }

    fn get_iter(&self, start_time: &TimeVal) -> PixbufAnimationIter {
        unsafe {
            from_glib_full(
                ffi::gdk_pixbuf_animation_get_iter(self.to_glib_none().0,
                                                   mem::transmute(start_time)))
        }
    }

    fn is_static_image(&self) -> bool {
        unsafe {
            from_glib(ffi::gdk_pixbuf_animation_is_static_image(self.to_glib_none().0))
        }
    }

    fn get_static_image(&self) -> Option<Pixbuf> {
        unsafe {
            from_glib_none(ffi::gdk_pixbuf_animation_get_static_image(
                self.to_glib_none().0))
        }
    }
}

glib_wrapper! {
    pub struct PixbufSimpleAnim(Object<ffi::GdkPixbufSimpleAnim>): PixbufAnimation;

    match fn {
        get_type => || ffi::gdk_pixbuf_simple_anim_get_type(),
    }
}

impl PixbufSimpleAnim {
    pub fn new(width: i32, height: i32, rate: f32) -> PixbufSimpleAnim {
        unsafe { from_glib_full(ffi::gdk_pixbuf_simple_anim_new(width, height, rate)) }
    }

    pub fn add_frame(&self, pixbuf: &Pixbuf) {
        unsafe {
            ffi::gdk_pixbuf_simple_anim_add_frame(self.to_glib_none().0, pixbuf.to_glib_none().0)
        }
    }

    pub fn set_loop(&self, loop_: bool) {
        unsafe { ffi::gdk_pixbuf_simple_anim_set_loop(self.to_glib_none().0, loop_.to_glib()) }
    }

    pub fn get_loop(&self) -> bool {
        unsafe { from_glib(ffi::gdk_pixbuf_simple_anim_get_loop(self.to_glib_none().0)) }
    }
}