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TODO.md

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TODO

Bugs

Features

  • Scroll values read-out when there are several
  • Example with a non-blocking / fast DataSource
  • Example with a blocking DataSource that runs in another thread and ships data over a channel.
  • Example with multiple graphs.
  • Example with multiple graphs in sync.
  • Axes, legend
  • When you click on the graph it would be nice to have feedback as to where you clicked in the graph.
  • Daniel has 5 graphs, wants them all in sync
    • Leave it up to controls at a higher level how to navigate, each graph just has show methods.
    • Or one graph is just the n=1 case, support GraphSet concept with n DataSources
  • Pause button
  • Mouse wheel press to pan
  • Mouse wheel to zoom x
  • Alt left mouse to zoom box
  • Export a GLib / GObject interface for consumption by other languages than Rust.
  • Scale and offset data (auto-fit to y?)
  • Probably use f32 for point data
  • Maybe hovering over the graph should show the current point value in a tooltip or sub-window
  • Resizing the window should resize the graph.
  • Maybe keep the section of the graph that's still valid when scrolling.
  • Lower CPU usage when hidden (e.g. minimised). Don't bother drawing.
  • Profile
  • Web port / rewrite?

Notes

/// Scale value linearly from [0,1] to [min,max]
fn map_to_range(value: f32, min: f32, max: f32) -> f32 {
    value * (max - min) + min
}

/// Scale value linearly from [min, max] to [0,1]
fn normalize(value: f32, min: f32, max: f32) -> f32 {
    let delta = max - min;
    assert!(delta != 0.);

    (value.clamp(min, max) - min) / delta
}