63 lines
1.6 KiB
Zig
63 lines
1.6 KiB
Zig
const std = @import("std");
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const util = @import("util.zig");
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const InitError = error {
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NotEnoughArgs,
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InvalidDimension,
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InvalidQuality,
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InvalidNumJobs,
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};
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inline fn next_arg(args: *std.process.ArgIterator) ![:0]const u8 {
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return args.next() orelse InitError.NotEnoughArgs;
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}
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inline fn get_dim(arg: [:0]const u8) !usize {
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const d = try std.fmt.parseInt(usize, arg, 10);
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if (d % 16 != 0 or d == 0) {
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return InitError.InvalidDimension;
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}
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return d;
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}
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inline fn get_qual(arg: [:0]const u8) !f16 {
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const q = try std.fmt.parseFloat(f16, arg);
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if (q < 0 or q > 1) {
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return InitError.InvalidQuality;
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}
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return q;
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}
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inline fn get_n_jobs(arg: [:0]const u8) !usize {
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const n = try std.fmt.parseInt(usize, arg, 10);
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if (n == 0) {
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return InitError.InvalidNumJobs;
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}
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return n;
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}
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fn get_opts() !util.Options {
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var buff: [100]u8 = undefined;
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var fba = std.heap.FixedBufferAllocator.init(&buff);
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var alloc = fba.allocator();
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var args = try std.process.argsWithAllocator(alloc);
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defer args.deinit();
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_ = args.next();
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return util.Options {
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.width = try get_dim(try next_arg(&args)),
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.height = try get_dim(try next_arg(&args)),
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.quality = try get_qual(try next_arg(&args)),
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.n_quant_jobs = try get_n_jobs(try next_arg(&args)),
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};
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}
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pub fn main() !void {
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const opts = try get_opts();
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var buffs = try util.Buffers.init(std.heap.page_allocator, opts.width, opts.height, 1000);
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defer buffs.deinit();
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std.debug.print("{any}\n", .{opts});
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}
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