sfml 0.20.0

Rust binding for sfml
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

pub use crate::ffi::*;

decl_opaque! {
    sfStdString;
    sfStdStringVector;
    sfString;
    sfInputStream;
    /// Utility type that measures the elapsed time.
    ///
    /// Its provides the most precise time that the underlying OS can
    /// achieve (generally microseconds or nanoseconds).
    /// It also ensures monotonicity, which means that the returned time can never go backward,
    /// even if the system time is changed.
    ///
    /// # Usage example
    /// ```
    /// # use sfml::system::Clock;
    /// let mut clock = Clock::start();
    /// // ...
    /// let time1 = clock.elapsed_time();
    /// // ...
    /// let time2 = clock.restart();
    /// ```
    ///
    /// The [`Time`](crate::system::Time) value returned by the clock can then be converted to
    /// a number of seconds, milliseconds or even microseconds.
    sfClock;
}

pub type sfTime = i64;

impl Dispose for sfStdString {
    unsafe fn dispose(&mut self) {
        sfStdString_destroy(self)
    }
}

impl<'a> IntoIterator for &'a sfStdStringVector {
    type IntoIter = sfStdStringVectorIter<'a>;
    type Item = &'a sfStdString;
    fn into_iter(self) -> Self::IntoIter {
        sfStdStringVectorIter {
            vec: self,
            len: unsafe { sfStdStringVector_getLength(self) },
            cursor: 0,
        }
    }
}

#[derive(Debug)]
pub struct sfStdStringVectorIter<'a> {
    vec: &'a sfStdStringVector,
    len: usize,
    cursor: usize,
}

impl<'a> Iterator for sfStdStringVectorIter<'a> {
    type Item = &'a sfStdString;
    fn next(&mut self) -> Option<&'a sfStdString> {
        if self.cursor >= self.len {
            return None;
        }
        unsafe {
            let item = sfStdStringVector_index(self.vec, self.cursor);
            self.cursor += 1;
            Some(&*item)
        }
    }
}

impl sfStdString {
    pub fn to_str(&self) -> Result<&str, Utf8Error> {
        std::str::from_utf8(self.data())
    }
}

impl PartialEq for sfStdString {
    fn eq(&self, other: &Self) -> bool {
        self.data() == other.data()
    }
}

impl PartialEq<sfStdString> for str {
    fn eq(&self, other: &sfStdString) -> bool {
        self.as_bytes() == other.data()
    }
}

impl Dispose for sfStdStringVector {
    unsafe fn dispose(&mut self) {
        sfStdStringVector_destroy(self);
    }
}

impl sfString {
    fn data(&self) -> &[u32] {
        unsafe {
            let len = sfString_getLength(self);
            let data = sfString_getData(self);
            std::slice::from_raw_parts(data, len)
        }
    }
}

impl Display for sfString {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        let data = self.data();
        let ustr = widestring::U32Str::from_slice(data);
        write!(f, "{}", ustr.to_string_lossy())
    }
}

impl sfStdString {
    fn data(&self) -> &[u8] {
        unsafe {
            let len = sfStdString_getLength(self);
            let data = sfStdString_getData(self);
            std::slice::from_raw_parts(data as *const u8, len)
        }
    }
}

impl Display for sfStdString {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        let data = self.data();
        let string = String::from_utf8_lossy(data);
        write!(f, "{string}")
    }
}

type sfInputStreamReadFunc =
    Option<unsafe extern "C" fn(data: *mut c_void, size: i64, userData: *mut c_void) -> i64>;
type sfInputStreamSeekFunc = Option<unsafe extern "C" fn(pos: i64, user_data: *mut c_void) -> i64>;
type sfInputStreamTellFunc = Option<unsafe extern "C" fn(userData: *mut c_void) -> i64>;
type sfInputStreamGetSizeFunc = Option<unsafe extern "C" fn(user_data: *mut c_void) -> i64>;

include!("system_bindgen.rs");