mirror of https://github.com/zcash/halo2.git
dev: Enable CircuitLayout labels to be hidden
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52be437509
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@ -35,11 +35,20 @@ use crate::plonk::{
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/// ```
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#[derive(Debug, Default)]
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pub struct CircuitLayout {
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hide_labels: bool,
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view_width: Option<Range<usize>>,
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view_height: Option<Range<usize>>,
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}
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impl CircuitLayout {
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/// Sets the visibility of region labels.
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///
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/// The default is to show labels.
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pub fn show_labels(mut self, show: bool) -> Self {
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self.hide_labels = !show;
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self
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}
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/// Sets the view width for this layout, as a number of columns.
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pub fn view_width(mut self, width: Range<usize>) -> Self {
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self.view_width = Some(width);
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@ -61,6 +70,8 @@ impl CircuitLayout {
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use plotters::coord::types::RangedCoordusize;
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use plotters::prelude::*;
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let show_labels = !self.hide_labels;
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// Collect the layout details.
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let mut cs = ConstraintSystem::default();
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let config = ConcreteCircuit::configure(&mut cs);
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@ -117,10 +128,13 @@ impl CircuitLayout {
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ShapeStyle::from(&GREEN.mix(0.2)).filled(),
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))?;
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root.draw(&Rectangle::new([top_left, bottom_right], &BLACK))?;
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if show_labels {
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root.draw(
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&(EmptyElement::at(top_left)
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+ Text::new(label, (10, 10), ("sans-serif", 15.0).into_font())),
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)
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)?;
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}
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Ok(())
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};
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let draw_cell = |root: &DrawingArea<_, _>, column, row| {
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