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#[cfg(feature = "serde")]
use serde::Serialize;
use crate::raw::drawing::effect::transform::XlsxTransformEffect;
use crate::raw::drawing::st_types::{emu_to_pt, st_angle_to_degree, st_percentage_to_float};
/// https://learn.microsoft.com/en-us/dotnet/api/documentformat.openxml.drawing.transformeffect?view=openxml-3.0.1
///
/// This element specifies a transform effect. The transform is applied to each point in the shape's geometry using the following matrix:
///
/// xfrm (Transform Effect)
#[derive(Debug, Clone, PartialEq)]
#[cfg_attr(feature = "serde", derive(Serialize))]
pub struct TransformEffect {
/// Specifies the horizontal skew angle
///
/// Example: 60 -> 60 degress
pub horizontal_skew_angle: f64,
/// Specifies the vertical skew angle
pub vertical_skew_angle: f64,
/// Specifies the horizontal scaling factor; negative scaling causes a flip in percentage.
///
/// Example: 0.65 -> 65%
pub horizontal_scale: f64,
/// Specifies the vertical scaling factor; negative scaling causes a flip.
pub vertical_scale: f64,
/// Specifies an amount by which to shift the object along the x-axis in points.
pub horizontal_shift: f64,
/// Specifies an amount by which to shift the object along the y-axis in points.
pub vertical_shift: f64,
}
impl TransformEffect {
pub(crate) fn from_raw(raw: Option<XlsxTransformEffect>) -> Option<Self> {
let Some(raw) = raw else { return None };
return Some(Self {
horizontal_skew_angle: st_angle_to_degree(raw.clone().kx.unwrap_or(0)),
vertical_skew_angle: st_angle_to_degree(raw.clone().ky.unwrap_or(0)),
horizontal_scale: st_percentage_to_float(raw.clone().sx.unwrap_or(0)),
vertical_scale: st_percentage_to_float(raw.clone().sy.unwrap_or(0)),
horizontal_shift: emu_to_pt(raw.clone().tx.unwrap_or(0)),
vertical_shift: emu_to_pt(raw.clone().ty.unwrap_or(0)),
});
}
}