qpdf 0.3.5

Rust bindings to QPDF C++ 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

use std::{ffi::CStr, fmt};

use crate::{QPdfObject, QPdfObjectLike};

/// QPdfScalar represents scalar objects such as integer and real
pub struct QPdfScalar {
    inner: QPdfObject,
}

impl QPdfScalar {
    pub(crate) fn new(inner: QPdfObject) -> Self {
        Self { inner }
    }

    /// Get i64 value
    pub fn as_i64(&self) -> i64 {
        unsafe { qpdf_sys::qpdf_oh_get_int_value(self.inner.owner.inner(), self.inner.inner) }
    }

    /// Get u64 value
    pub fn as_u64(&self) -> u64 {
        unsafe { qpdf_sys::qpdf_oh_get_uint_value(self.inner.owner.inner(), self.inner.inner) }
    }

    /// Get i32 value
    pub fn as_i32(&self) -> i32 {
        unsafe { qpdf_sys::qpdf_oh_get_int_value_as_int(self.inner.owner.inner(), self.inner.inner) }
    }

    /// Get u32 value
    pub fn as_u32(&self) -> u32 {
        unsafe { qpdf_sys::qpdf_oh_get_uint_value_as_uint(self.inner.owner.inner(), self.inner.inner) }
    }

    /// Get numeric value
    pub fn as_f64(&self) -> f64 {
        unsafe { qpdf_sys::qpdf_oh_get_numeric_value(self.inner.owner.inner(), self.inner.inner) }
    }

    /// Get real value in string format
    pub fn as_real(&self) -> String {
        unsafe {
            CStr::from_ptr(qpdf_sys::qpdf_oh_get_real_value(
                self.inner.owner.inner(),
                self.inner.inner,
            ))
            .to_string_lossy()
            .into_owned()
        }
    }
}

impl QPdfObjectLike for QPdfScalar {
    fn as_object(&self) -> &QPdfObject {
        &self.inner
    }
}

impl From<QPdfObject> for QPdfScalar {
    fn from(obj: QPdfObject) -> Self {
        QPdfScalar::new(obj)
    }
}

impl From<QPdfScalar> for QPdfObject {
    fn from(dict: QPdfScalar) -> Self {
        dict.inner
    }
}

impl AsRef<QPdfObject> for QPdfScalar {
    fn as_ref(&self) -> &QPdfObject {
        &self.inner
    }
}

impl fmt::Display for QPdfScalar {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        self.inner.fmt(f)
    }
}