tiny.png.EncodeCapacity

1pub const Capacity = struct {2    plan: plan_mod.Plan,3    window_offset: usize,4    raw_offset: usize,5    count_offset: usize,6    output_offset: usize,7    storage_bytes: usize,89    pub fn derive(limits: Limits) DeriveError!Capacity {10        const plan = try plan_mod.Plan.inspect(limits.image, limits.bounds, limits.scratch);11        std.debug.assert(plan.output_bytes > 0);12        const window_offset: usize = 0;13        const raw_offset = try added(window_offset, flate.max_window_len);14        const count_offset = try added(raw_offset, plan_mod.stream_bytes);15        const output_offset = try added(count_offset, plan_mod.stream_bytes);16        return .{17            .plan = plan,18            .window_offset = window_offset,19            .raw_offset = raw_offset,20            .count_offset = count_offset,21            .output_offset = output_offset,22            .storage_bytes = try added(output_offset, plan.output_bytes),23        };24    }25};

1pub const EncodeCapacity = encode.Capacity;