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umya_spreadsheet/structs/drawing/
camera.rs

1// a:camera
2use std::io::Cursor;
3
4use quick_xml::{
5    Reader,
6    Writer,
7    events::{
8        BytesStart,
9        Event,
10    },
11};
12
13use super::{
14    super::EnumValue,
15    PresetCameraValues,
16    Rotation,
17};
18use crate::{
19    reader::driver::{
20        get_attribute,
21        set_string_from_xml,
22        xml_read_loop,
23    },
24    writer::driver::{
25        write_end_tag,
26        write_start_tag,
27    },
28};
29
30#[derive(Clone, Default, Debug)]
31pub struct Camera {
32    preset:   EnumValue<PresetCameraValues>,
33    rotation: Option<Box<Rotation>>,
34}
35
36impl Camera {
37    #[inline]
38    #[must_use]
39    pub fn preset(&self) -> &PresetCameraValues {
40        self.preset.value()
41    }
42
43    #[inline]
44    #[must_use]
45    #[deprecated(since = "3.0.0", note = "Use preset()")]
46    pub fn get_preset(&self) -> &PresetCameraValues {
47        self.preset()
48    }
49
50    #[inline]
51    pub fn set_preset(&mut self, value: PresetCameraValues) -> &mut Self {
52        self.preset.set_value(value);
53        self
54    }
55
56    #[inline]
57    #[must_use]
58    pub fn rotation(&self) -> Option<&Rotation> {
59        self.rotation.as_deref()
60    }
61
62    #[inline]
63    #[must_use]
64    #[deprecated(since = "3.0.0", note = "Use rotation()")]
65    pub fn get_rotation(&self) -> Option<&Rotation> {
66        self.rotation()
67    }
68
69    #[inline]
70    pub fn rotation_mut(&mut self) -> Option<&mut Rotation> {
71        self.rotation.as_deref_mut()
72    }
73
74    #[inline]
75    #[deprecated(since = "3.0.0", note = "Use rotation_mut()")]
76    pub fn get_rotation_mut(&mut self) -> Option<&mut Rotation> {
77        self.rotation_mut()
78    }
79
80    #[inline]
81    pub fn set_rotation(&mut self, value: Rotation) -> &mut Self {
82        self.rotation = Some(Box::new(value));
83        self
84    }
85
86    pub(crate) fn set_attributes<R: std::io::BufRead>(
87        &mut self,
88        reader: &mut Reader<R>,
89        e: &BytesStart,
90        empty_flag: bool,
91    ) {
92        set_string_from_xml!(self, e, preset, "prst");
93
94        if empty_flag {
95            return;
96        }
97
98        xml_read_loop!(
99            reader,
100            Event::Empty(ref e) => {
101                if e.name().into_inner() == b"a:rot" {
102                    let mut obj = Rotation::default();
103                    obj.set_attributes(reader, e);
104                    self.rotation = Some(Box::new(obj));
105                }
106            },
107            Event::End(ref e) => {
108                if e.name().into_inner() == b"a:camera" {
109                    return
110                }
111            },
112            Event::Eof => panic!("Error: Could not find {} end element", "a:camera")
113        );
114    }
115
116    pub(crate) fn write_to(&self, writer: &mut Writer<Cursor<Vec<u8>>>) {
117        let with_inner = self.rotation.is_some();
118        // a:camera
119        write_start_tag(
120            writer,
121            "a:camera",
122            vec![("prst", self.preset.value_string()).into()],
123            !with_inner,
124        );
125
126        if with_inner {
127            // a:rot
128            if let Some(v) = &self.rotation {
129                v.write_to(writer);
130            }
131            write_end_tag(writer, "a:camera");
132        }
133    }
134}