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fix(draw_bar_chart): 修复 draw_bar_chart #54

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Merged
donjuanplatinum merged 1 commit into from
Mar 23, 2025
Merged

fix(draw_bar_chart): 修复 draw_bar_chart #54

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11 changes: 5 additions & 6 deletions src/tools.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,6 @@ use image::{ImageBuffer, Rgb, RgbImage};
/// ```
/// use algori::tools::draw_bar_chart;
/// use algori::sorting::merge_sort;
/// use image::ImageResult;
/// let mut a = [0,9,2,3,0,8,2,4,9,6];
/// draw_bar_chart(&a,500,500,"排序前.png");
/// merge_sort(&mut a,|a,b|a<b);
Expand All @@ -17,7 +16,7 @@ use image::{ImageBuffer, Rgb, RgbImage};
#[cfg(feature = "img")]
pub fn draw_bar_chart<T>(array: &[T], width: u32, height: u32, name: &str) -> ImageResult<()>
where
T: Into<i32> + Clone + Ord,
T: Into<i32> + Copy + Ord,
{
let mut img: RgbImage = ImageBuffer::new(width, height);

Expand All @@ -27,14 +26,14 @@ where
*pixel = background_color;
}

let max_element = array[max(&array)].clone().into() as f32;
let y_scale = max_element * height as f32;
let max_element = array[max(&array)].into() as f32;

let bar_color = Rgb([78, 232, 243]);

let bar_width = width / array.len() as u32;

for (i, value) in array.iter().enumerate() {
let bar_height = (value.clone().into() as f32 / y_scale) as u32;
for (i, &value) in array.iter().enumerate() {
let bar_height = (value.into() as f32 / max_element * height as f32) as u32;
let x_start = i as u32 * bar_width;
let y_start = height - bar_height;

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