implot-rs/implot-examples/examples/bar_plots.rs

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2020-09-13 14:09:21 +00:00
//! This example demonstrates how bar plots are to be used. For more general
//! features of the libray, see the line_plots example.
use imgui::{im_str, CollapsingHeader, Condition, Ui, Window};
use implot::{push_style_var_f32, push_style_var_u32, Marker, Plot, PlotBars, StyleVar};
mod support;
fn show_basic_vertical_plot(ui: &Ui) {
ui.text(im_str!("This header shows a simple vertical bar plot."));
let content_width = ui.window_content_region_width();
Plot::new("Vertical bar plot")
// The size call could also be omitted, though the defaults don't consider window
// width, which is why we're not doing so here.
.size(content_width, 300.0)
.build(|| {
// If this is called outside a plot build callback, the program will panic.
let axis_positions = vec![0.2, 0.4, 0.6, 0.8];
let values = vec![0.1, 0.2, 0.3, 0.4];
PlotBars::new("legend label")
.with_bar_width(0.1)
.plot(&axis_positions, &values);
});
}
fn show_basic_horizontal_plot(ui: &Ui) {
ui.text(im_str!("This header shows a simple horizontal bar plot."));
let content_width = ui.window_content_region_width();
Plot::new("Horizontal bar plot")
// The size call could also be omitted, though the defaults don't consider window
// width, which is why we're not doing so here.
.size(content_width, 300.0)
.build(|| {
// If this is called outside a plot build callback, the program will panic.
let axis_positions = vec![0.2, 0.4, 0.6, 0.8];
let values = vec![0.1, 0.2, 0.3, 0.4];
PlotBars::new("legend label")
.with_bar_width(0.05)
.with_horizontal_bars()
.plot(&axis_positions, &values);
});
}
fn main() {
let system = support::init(file!());
let mut showing_demo = false;
system.main_loop(move |_, ui| {
Window::new(im_str!("Line plots example"))
.size([430.0, 450.0], Condition::FirstUseEver)
.build(ui, || {
ui.text(im_str!("Hello from implot-rs!"));
ui.text_wrapped(im_str!(
"The headers here demo the bar plotting features of the library. \
Have a look at the example source code to see how they are implemented.\n\
Check out the demo from ImPlot itself first \
(by enabling the 'Show demo' checkbox) for instructions \
on how to interact with ImPlot plots."
));
ui.checkbox(im_str!("Show demo"), &mut showing_demo);
// Show individual examples in collapsed headers
if CollapsingHeader::new(im_str!("Basic vertical plot")).build(&ui) {
show_basic_vertical_plot(&ui);
}
if CollapsingHeader::new(im_str!("Basic horizontal plot")).build(&ui) {
show_basic_horizontal_plot(&ui);
}
});
if showing_demo {
implot::show_demo_window(&mut showing_demo);
}
});
}