cairo/
rectangle.rs

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
171
172
173
174
175
176
177
// Take a look at the license at the top of the repository in the LICENSE file.

use crate::ffi;
use std::fmt;
#[cfg(feature = "use_glib")]
use std::{marker::PhantomData, mem};

#[cfg(feature = "use_glib")]
use glib::translate::*;

#[derive(Clone, Copy, PartialEq)]
#[repr(transparent)]
#[doc(alias = "cairo_rectangle_t")]
pub struct Rectangle(ffi::cairo_rectangle_t);

impl Rectangle {
    #[inline]
    pub fn new(x: f64, y: f64, width: f64, height: f64) -> Self {
        Self(ffi::cairo_rectangle_t {
            x,
            y,
            width,
            height,
        })
    }
    #[inline]
    pub fn x(&self) -> f64 {
        self.0.x
    }
    #[inline]
    pub fn set_x(&mut self, x: f64) {
        self.0.x = x;
    }
    #[inline]
    pub fn y(&self) -> f64 {
        self.0.y
    }
    #[inline]
    pub fn set_y(&mut self, y: f64) {
        self.0.y = y;
    }
    #[inline]
    pub fn width(&self) -> f64 {
        self.0.width
    }
    #[inline]
    pub fn set_width(&mut self, width: f64) {
        self.0.width = width;
    }
    #[inline]
    pub fn height(&self) -> f64 {
        self.0.height
    }
    #[inline]
    pub fn set_height(&mut self, height: f64) {
        self.0.height = height;
    }
}

impl fmt::Debug for Rectangle {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        f.debug_struct("Rectangle")
            .field("x", &self.x())
            .field("y", &self.y())
            .field("width", &self.width())
            .field("height", &self.height())
            .finish()
    }
}

#[cfg(feature = "use_glib")]
#[doc(hidden)]
impl Uninitialized for Rectangle {
    #[inline]
    unsafe fn uninitialized() -> Self {
        mem::zeroed()
    }
}

#[cfg(feature = "use_glib")]
#[doc(hidden)]
impl<'a> ToGlibPtr<'a, *const ffi::cairo_rectangle_t> for Rectangle {
    type Storage = PhantomData<&'a Self>;

    #[inline]
    fn to_glib_none(&'a self) -> Stash<'a, *const ffi::cairo_rectangle_t, Self> {
        Stash(
            self as *const Rectangle as *const ffi::cairo_rectangle_t,
            PhantomData,
        )
    }
}

#[cfg(feature = "use_glib")]
#[doc(hidden)]
impl<'a> ToGlibPtrMut<'a, *mut ffi::cairo_rectangle_t> for Rectangle {
    type Storage = PhantomData<&'a mut Self>;

    #[inline]
    fn to_glib_none_mut(&'a mut self) -> StashMut<'a, *mut ffi::cairo_rectangle_t, Self> {
        StashMut(
            self as *mut Rectangle as *mut ffi::cairo_rectangle_t,
            PhantomData,
        )
    }
}

#[cfg(feature = "use_glib")]
#[doc(hidden)]
impl FromGlibPtrNone<*const ffi::cairo_rectangle_t> for Rectangle {
    #[inline]
    unsafe fn from_glib_none(ptr: *const ffi::cairo_rectangle_t) -> Self {
        *(ptr as *const Rectangle)
    }
}

#[cfg(feature = "use_glib")]
#[doc(hidden)]
impl FromGlibPtrBorrow<*mut ffi::cairo_rectangle_t> for Rectangle {
    #[inline]
    unsafe fn from_glib_borrow(ptr: *mut ffi::cairo_rectangle_t) -> crate::Borrowed<Self> {
        crate::Borrowed::new(*(ptr as *mut Rectangle))
    }
}

#[cfg(feature = "use_glib")]
#[doc(hidden)]
impl FromGlibPtrNone<*mut ffi::cairo_rectangle_t> for Rectangle {
    #[inline]
    unsafe fn from_glib_none(ptr: *mut ffi::cairo_rectangle_t) -> Self {
        *(ptr as *mut Rectangle)
    }
}

#[cfg(feature = "use_glib")]
gvalue_impl_inline!(
    Rectangle,
    ffi::cairo_rectangle_t,
    ffi::gobject::cairo_gobject_rectangle_get_type
);

impl Rectangle {
    #[inline]
    pub fn to_raw_none(&self) -> *mut ffi::cairo_rectangle_t {
        &self.0 as *const ffi::cairo_rectangle_t as *mut ffi::cairo_rectangle_t
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[cfg(feature = "use_glib")]
    #[test]
    fn rectangle_gvalues() {
        use glib::prelude::*;

        let rect = Rectangle::new(1., 2., 3., 4.);
        let value = rect.to_value();
        assert_eq!(value.get::<Rectangle>().unwrap().width(), 3.);
        let _ = rect.to_value();
        let rect = Some(rect);
        let value = rect.to_value();
        assert_eq!(
            value.get::<Option<Rectangle>>().unwrap().map(|s| s.width()),
            Some(3.)
        );
        let _ = rect.as_ref().to_value();
        assert_eq!(
            value
                .get::<Option<&Rectangle>>()
                .unwrap()
                .map(|s| s.width()),
            Some(3.)
        );
    }
}