mirl 9.2.0

Miners Rust Lib - A massive collection of ever growing and changing functions, structs, and enums. Check the description for compatibility and toggleable features! (Most of the lib is controlled by flags/features so the lib can continue to be lightweight despite its size)
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use super::Buffer;
use crate::graphics::get_alpha_of_u32;
impl Buffer {
    /// Optimizes the image by removing empty space around the image
    pub fn remove_margins(&mut self) {
        // Remove all margins in one pass to avoid multiple data copies
        let (top_trim, bottom_trim, left_trim, right_trim) =
            self.calculate_trims();

        if top_trim > 0 || bottom_trim > 0 || left_trim > 0 || right_trim > 0 {
            self.apply_trim(top_trim, bottom_trim, left_trim, right_trim);
        }
    }
    #[must_use]
    /// Calculates the empty space around the image
    pub fn calculate_trims(&self) -> (usize, usize, usize, usize) {
        let mut top_trim = 0;
        let mut bottom_trim = 0;
        let mut left_trim = 0;
        let mut right_trim = 0;

        // Calculate top trim
        for row in 0..self.height {
            if self.is_row_transparent(row) {
                top_trim += 1;
            } else {
                break;
            }
        }

        // Calculate bottom trim
        for row in (0..self.height).rev() {
            if self.is_row_transparent(row) {
                bottom_trim += 1;
            } else {
                break;
            }
        }

        // Calculate left trim
        for col in 0..self.width {
            if self.is_col_transparent(col) {
                left_trim += 1;
            } else {
                break;
            }
        }

        // Calculate right trim
        for col in (0..self.width).rev() {
            if self.is_col_transparent(col) {
                right_trim += 1;
            } else {
                break;
            }
        }

        (top_trim, bottom_trim, left_trim, right_trim)
    }
    #[must_use]
    /// Checks if the requested row only has fully transparent pixels
    pub fn is_row_transparent(&self, row: usize) -> bool {
        let start = row * self.width;
        let end = start + self.width;
        self.data[start..end].iter().all(|&pixel| get_alpha_of_u32(pixel) == 0)
    }
    #[must_use]
    /// Checks if the requested column only has fully transparent pixels
    pub fn is_col_transparent(&self, col: usize) -> bool {
        (0..self.height)
            .all(|row| get_alpha_of_u32(self.data[row * self.width + col]) == 0)
    }
    /// Trims the image by the given restrictions
    pub fn apply_trim(
        &mut self,
        top: usize,
        bottom: usize,
        left: usize,
        right: usize,
    ) {
        let new_width = self.width - left - right;
        let new_height = self.height - top - bottom;
        let mut new_data = Vec::with_capacity(new_width * new_height);

        for row in top..(self.height - bottom) {
            let row_start = row * self.width + left;
            let row_end = row_start + new_width;
            new_data.extend_from_slice(&self.data[row_start..row_end]);
        }

        self.data = new_data;
        self.width = new_width;
        self.height = new_height;
    }
}