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use anyhow::bail;
use quick_xml::events::BytesStart;
use crate::{helper::string_to_int, raw::drawing::st_types::STPercentage};
/// NormalAutoFit:
///
/// https://learn.microsoft.com/en-us/dotnet/api/documentformat.openxml.drawing.normalautofit?view=openxml-3.0.1
///
/// This element specifies that text within the text body should be normally auto-fit to the bounding box.
/// If this element is omitted, then noAutofit or auto-fit off is implied.
///
/// Example
/// ```
/// <a:bodyPr wrap="none" rtlCol="0">
/// <a:normAutofit fontScale="92.000%" lnSpcReduction="20.000%"/>
/// </a:bodyPr>
/// ```
// normAutofit (Normal AutoFit) ยง21.1.2.1.3
#[derive(Debug, Clone, PartialEq)]
pub struct XlsxNormAutoFit {
// attributes
/// Specifies the percentage of the original font size to which each run in the text body is scaled.
///
/// In order to auto-fit text within a bounding box it is sometimes necessary to decrease the font size by a certain percentage.
/// Using this attribute the font within a text box can be scaled based on the value provided.
/// A value of 100% scales the text to 100%, while a value of 1% scales the text to 1%. If this attribute is omitted, then a value of 100% is implied.
///
/// fontScale (Font Scale)
pub font_scale: Option<STPercentage>,
/// Specifies the percentage amount by which the line spacing of each paragraph in the text body is reduced.
/// The reduction is applied by subtracting it from the original line spacing value.
/// Using this attribute the vertical spacing between the lines of text can be scaled by a percent amount.
/// A value of 100% reduces the line spacing by 100%, while a value of 1% reduces the line spacing by one percent.
/// If this attribute is omitted, then a value of 0% is implied.
///
/// lnSpcReduction (Line Space Reduction)
pub ln_spc_reduction: Option<STPercentage>,
}
impl XlsxNormAutoFit {
pub(crate) fn load(e: &BytesStart) -> anyhow::Result<Self> {
let attributes = e.attributes();
let mut fit = Self {
font_scale: None,
ln_spc_reduction: 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"fontScale" => fit.font_scale = string_to_int(&string_value),
b"lnSpcReduction" => fit.ln_spc_reduction = string_to_int(&string_value),
_ => {}
}
}
Err(error) => {
bail!(error.to_string())
}
}
}
Ok(fit)
}
}