use std::marker::PhantomData;
use std::os::raw::c_float;
use std::{f32, mem, ptr};
use super::{ImStr, Ui};
#[must_use]
pub struct PlotLines<'ui, 'p> {
label: &'p ImStr,
values: &'p [f32],
values_offset: usize,
overlay_text: Option<&'p ImStr>,
scale_min: f32,
scale_max: f32,
graph_size: [f32; 2],
_phantom: PhantomData<&'ui Ui<'ui>>,
}
impl<'ui, 'p> PlotLines<'ui, 'p> {
pub const fn new(_: &Ui<'ui>, label: &'p ImStr, values: &'p [f32]) -> Self {
PlotLines {
label,
values,
values_offset: 0usize,
overlay_text: None,
scale_min: f32::MAX,
scale_max: f32::MAX,
graph_size: [0.0, 0.0],
_phantom: PhantomData,
}
}
#[inline]
pub const fn values_offset(mut self, values_offset: usize) -> Self {
self.values_offset = values_offset;
self
}
#[inline]
pub const fn overlay_text(mut self, overlay_text: &'p ImStr) -> Self {
self.overlay_text = Some(overlay_text);
self
}
#[inline]
pub const fn scale_min(mut self, scale_min: f32) -> Self {
self.scale_min = scale_min;
self
}
#[inline]
pub const fn scale_max(mut self, scale_max: f32) -> Self {
self.scale_max = scale_max;
self
}
#[inline]
pub const fn graph_size(mut self, graph_size: [f32; 2]) -> Self {
self.graph_size = graph_size;
self
}
pub fn build(self) {
unsafe {
crate::imgui_sys::igPlotLinesFloatPtr(
self.label.as_ptr(),
self.values.as_ptr() as *const c_float,
self.values.len() as i32,
self.values_offset as i32,
self.overlay_text.map(|x| x.as_ptr()).unwrap_or(ptr::null()),
self.scale_min,
self.scale_max,
self.graph_size.into(),
mem::size_of::<f32>() as i32,
);
}
}
}