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Merge pull request #2606 from tvolk131/qr_code_fixed_size

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feat: set total size of QRCode
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Héctor 2024-10-02 17:23:33 +02:00 • committed by GitHub
commit 4a080e27ab
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2 changed files with 60 additions and 18 deletions
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24
widget/src/qr_code.rs
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@ -26,15 +26,15 @@ use crate::core::mouse;
use crate::core::renderer::{self, Renderer as _};
use crate::core::widget::tree::{self, Tree};
use crate::core::{
Color, Element, Layout, Length, Point, Rectangle, Size, Theme, Vector,
Widget,
Color, Element, Layout, Length, Pixels, Point, Rectangle, Size, Theme,
Vector, Widget,
};
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>,
}
@ -84,8 +84,16 @@ where
}
/// Sets the size of the squares of the grid cell of the [`QRCode`].
pub fn cell_size(mut self, cell_size: u16) -> Self {
self.cell_size = cell_size;
pub fn cell_size(mut self, cell_size: impl Into<Pixels>) -> Self {
self.cell_size = cell_size.into().0;
self
}
/// Sets the size of the entire [`QRCode`].
pub fn total_size(mut self, total_size: impl Into<Pixels>) -> Self {
self.cell_size =
total_size.into().0 / (self.data.width + 2 * QUIET_ZONE) as f32;
self
}
@ -133,8 +141,8 @@ 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))
}