rxing/src/common/cpp_essentials/fast_edge_to_edge_counter.rs

use super::BitMatrixCursorTrait;

pub struct FastEdgeToEdgeCounter {
    // const uint8_t* p = nullptr;
    // int stride = 0;
    // int stepsToBorder = 0;
}

impl FastEdgeToEdgeCounter {
    pub fn new<T: BitMatrixCursorTrait>(_cur: &T) -> Self {
        todo!()
        // stride = cur.d.y * cur.img->width() + cur.d.x;
        // p = cur.img->row(cur.p.y).begin() + cur.p.x;

        // int maxStepsX = cur.d.x ? (cur.d.x > 0 ? cur.img->width() - 1 - cur.p.x : cur.p.x) : INT_MAX;
        // int maxStepsY = cur.d.y ? (cur.d.y > 0 ? cur.img->height() - 1 - cur.p.y : cur.p.y) : INT_MAX;
        // stepsToBorder = std::min(maxStepsX, maxStepsY);
    }

    pub fn stepToNextEdge(&self, _range: i32) -> i32 {
        todo!()
        // int maxSteps = std::min(stepsToBorder, range);
        // int steps = 0;
        // do {
        // 	if (++steps > maxSteps) {
        // 		if (maxSteps == stepsToBorder)
        // 			break;
        // 		else
        // 			return 0;
        // 	}
        // } while (p[steps * stride] == p[0]);

        // p += steps * stride;
        // stepsToBorder -= steps;

        // return steps;
    }
}