76 lines
2.9 KiB
Rust
76 lines
2.9 KiB
Rust
#![allow(clippy::single_match)]
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use std::io::Read;
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use std::str::FromStr;
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use xml::attribute::OwnedAttribute;
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use xml::reader::{EventReader, XmlEvent};
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use super::*;
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impl ElementReader for Pic {
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fn read<R: Read>(
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r: &mut EventReader<R>,
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_attrs: &[OwnedAttribute],
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) -> Result<Self, ReaderError> {
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let mut pic = Pic::with_empty();
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loop {
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let e = r.next();
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match e {
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Ok(XmlEvent::StartElement {
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name, attributes, ..
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}) => {
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if let Ok(e) = AXMLElement::from_str(&name.local_name) {
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match e {
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AXMLElement::Blip => {
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if let Some(id) = read(&attributes, "embed") {
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pic = pic.id(id)
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}
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}
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AXMLElement::Off => {
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let mut offset_x: i32 = 0;
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let mut offset_y: i32 = 0;
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if let Some(x) = read(&attributes, "x") {
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if let Ok(x) = f64::from_str(&x) {
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offset_x = x as i32;
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}
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}
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if let Some(y) = read(&attributes, "y") {
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if let Ok(y) = f64::from_str(&y) {
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offset_y = y as i32;
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}
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}
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pic = pic.offset_x(offset_x).offset_y(offset_y);
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}
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AXMLElement::Ext => {
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let mut w: u32 = 0;
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let mut h: u32 = 0;
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if let Some(x) = read(&attributes, "cx") {
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if let Ok(x) = u32::from_str(&x) {
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w = x;
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}
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}
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if let Some(y) = read(&attributes, "cy") {
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if let Ok(y) = u32::from_str(&y) {
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h = y;
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}
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}
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pic = pic.size(w, h);
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}
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_ => {}
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}
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}
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}
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Ok(XmlEvent::EndElement { name, .. }) => {
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let e = PicXMLElement::from_str(&name.local_name).unwrap();
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if e == PicXMLElement::Pic {
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return Ok(pic);
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}
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}
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Err(_) => return Err(ReaderError::XMLReadError),
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_ => {}
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}
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}
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}
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}
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