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use std::f64;
use svg;
use crate::axis;
use crate::repr::CategoricalRepresentation;
use crate::style::BoxStyle;
use crate::svg_render;
pub struct BarChart {
value: f64,
label: String,
style: BoxStyle,
}
impl BarChart {
pub fn new(v: f64) -> Self {
BarChart {
value: v,
style: BoxStyle::new(),
label: String::new(),
}
}
pub fn style(mut self, style: &BoxStyle) -> Self {
self.style.overlay(style);
self
}
pub fn get_style(&self) -> &BoxStyle {
&self.style
}
pub fn label<T>(mut self, label: T) -> Self
where
T: Into<String>,
{
self.label = label.into();
self
}
pub fn get_label(&self) -> &String {
&self.label
}
fn get_value(&self) -> f64 {
self.value
}
}
impl CategoricalRepresentation for BarChart {
fn range(&self) -> (f64, f64) {
(0.0, self.value)
}
fn ticks(&self) -> Vec<String> {
vec![self.label.clone()]
}
fn to_svg(
&self,
x_axis: &axis::CategoricalAxis,
y_axis: &axis::ContinuousAxis,
face_width: f64,
face_height: f64,
) -> svg::node::element::Group {
svg_render::draw_face_barchart(
self.get_value(),
&self.label,
x_axis,
y_axis,
face_width,
face_height,
&self.style,
)
}
fn to_text(
&self,
_x_axis: &axis::CategoricalAxis,
_y_axis: &axis::ContinuousAxis,
_face_width: u32,
_face_height: u32,
) -> String {
"".into()
}
}