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feat: set total size of QRCode

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This commit is contained in:
Tommy Volk 2024-09-24 20:57:53 -05:00
parent 75548373a7
commit a949e59f3e
2 changed files with 54 additions and 10 deletions
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16
widget/src/qr_code.rs
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@ -34,7 +34,7 @@ use crate::Renderer;
use std::cell::RefCell;
use thiserror::Error;
const DEFAULT_CELL_SIZE: u16 = 4;
const DEFAULT_CELL_SIZE: f32 = 4.0;
const QUIET_ZONE: usize = 2;
/// A type of matrix barcode consisting of squares arranged in a grid which
@ -66,7 +66,7 @@ where
Theme: Catalog,
{
data: &'a Data,
cell_size: u16,
cell_size: f32,
class: Theme::Class<'a>,
}
@ -84,11 +84,17 @@ where
}
/// Sets the size of the squares of the grid cell of the [`QRCode`].
pub fn cell_size(mut self, cell_size: u16) -> Self {
pub fn cell_size(mut self, cell_size: f32) -> Self {
self.cell_size = cell_size;
self
}
/// Sets the size of the entire [`QRCode`].
pub fn total_size(mut self, total_size: f32) -> Self {
self.cell_size = total_size / (self.data.width + 2 * QUIET_ZONE) as f32;
self
}
/// Sets the style of the [`QRCode`].
#[must_use]
pub fn style(mut self, style: impl Fn(&Theme) -> Style + 'a) -> Self
@ -133,8 +139,8 @@ where
_renderer: &Renderer,
_limits: &layout::Limits,
) -> layout::Node {
let side_length = (self.data.width + 2 * QUIET_ZONE) as f32
* f32::from(self.cell_size);
let side_length =
(self.data.width + 2 * QUIET_ZONE) as f32 * self.cell_size;
layout::Node::new(Size::new(side_length, side_length))
}