struct Vec2d [src]

Fields

data: []u16

cols: usize

Members

deinit (Function)
fill (Function)
init (Function)

Source

  pub const Vec2d = struct {
    data: []u16,
    cols: usize,

    pub fn init(gpa: Allocator, value: u16, w: usize, h: usize) !Vec2d {
        const len = try math.mul(usize, w, h);
        const data = try gpa.alloc(u16, len);
        @memset(data, value);
        return .{
            .data = data,
            .cols = h,
        };
    }

    pub fn deinit(v: *Vec2d, gpa: Allocator) void {
        gpa.free(v.data);
        v.* = undefined;
    }

    pub fn fill(v: *Vec2d, value: u16) void {
        @memset(v.data, value);
    }

    fn get(v: Vec2d, row: usize) ![]u16 {
        const start_row = try math.mul(usize, row, v.cols);
        const end_row = try math.add(usize, start_row, v.cols);
        return v.data[start_row..end_row];
    }
}  