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use anyhow::bail;
use quick_xml::events::BytesStart;
use crate::helper::string_to_int;
/// https://learn.microsoft.com/en-us/dotnet/api/documentformat.openxml.drawing.bilevel?view=openxml-3.0.1
#[derive(Debug, Clone, PartialEq)]
pub struct XlsxBiLevel {
// attributes
/// Specifies the luminance threshold for the Bi-Level effect.
/// Values greater than or equal to the threshold are set to white. Values lesser than the threshold are set to black.
pub thresh: Option<i64>,
}
impl XlsxBiLevel {
pub(crate) fn load(e: &BytesStart) -> anyhow::Result<Self> {
let attributes = e.attributes();
let mut level = Self { thresh: None };
for a in attributes {
match a {
Ok(a) => {
let string_value = String::from_utf8(a.value.to_vec())?;
match a.key.local_name().as_ref() {
b"thresh" => {
level.thresh = string_to_int(&string_value);
break;
}
_ => {}
}
}
Err(error) => {
bail!(error.to_string())
}
}
}
Ok(level)
}
}