ppt_rs/
presentation.rs

1//! Main presentation object.
2
3use crate::error::{PptError, Result};
4use crate::parts::presentation::PresentationPart;
5use crate::slide::{Slide, Slides};
6use std::io::{Read, Write};
7
8/// PresentationML (PML) presentation.
9///
10/// Not intended to be constructed directly. Use `ppt_rs::Presentation` to open or
11/// create a presentation.
12pub struct Presentation {
13    part: PresentationPart,
14}
15
16impl Presentation {
17    /// Create a new empty presentation
18    pub fn new() -> Result<Self> {
19        let part = PresentationPart::new()?;
20        Ok(Self { part })
21    }
22
23    /// Open a presentation from a reader
24    pub fn open<R: Read>(_reader: R) -> Result<Self> {
25        // TODO: Implement package opening
26        Err(PptError::NotImplemented("Opening presentations".to_string()))
27    }
28
29    /// Save the presentation to a writer
30    pub fn save<W: Write>(&self, _writer: W) -> Result<()> {
31        // TODO: Implement package saving
32        Err(PptError::NotImplemented("Saving presentations".to_string()))
33    }
34
35    /// Save the presentation to a file path
36    pub fn save_to_file<P: AsRef<std::path::Path>>(&self, path: P) -> Result<()> {
37        let file = std::fs::File::create(path)?;
38        let writer = std::io::BufWriter::new(file);
39        self.save(writer)
40    }
41
42    /// Get the slides collection
43    pub fn slides(&self) -> Slides {
44        Slides::new(&self.part)
45    }
46
47    /// Get the presentation part
48    pub fn part(&self) -> &PresentationPart {
49        &self.part
50    }
51
52    /// Get mutable presentation part
53    pub fn part_mut(&mut self) -> &mut PresentationPart {
54        &mut self.part
55    }
56
57    /// Get core properties
58    pub fn core_properties(&self) -> Result<()> {
59        self.part.core_properties()
60    }
61
62    /// Get slide width in EMU (English Metric Units)
63    pub fn slide_width(&self) -> Option<u32> {
64        // TODO: Get from XML element
65        Some(9144000) // Default 10 inches
66    }
67
68    /// Set slide width in EMU
69    pub fn set_slide_width(&mut self, _width: u32) -> Result<()> {
70        // TODO: Set in XML element
71        Ok(())
72    }
73
74    /// Get slide height in EMU
75    pub fn slide_height(&self) -> Option<u32> {
76        // TODO: Get from XML element
77        Some(6858000) // Default 7.5 inches
78    }
79
80    /// Set slide height in EMU
81    pub fn set_slide_height(&mut self, _height: u32) -> Result<()> {
82        // TODO: Set in XML element
83        Ok(())
84    }
85}
86
ppt_rs/presentation.rs

ppt_rs/
presentation.rs
