| // Copyright 2024 The Wuffs Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // https://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| // |
| // SPDX-License-Identifier: Apache-2.0 OR MIT |
| |
| // -------- |
| |
| // Quirks are discussed in (/doc/note/quirks.md). |
| // |
| // The base38 encoding of "th.." is 0x19_83D8. Left shifting by 10 gives |
| // 0x660F_6000. |
| pri const QUIRKS_BASE : base.u32 = 0x660F_6000 |
| |
| // -------- |
| |
| // When this quirk is enabled, the decoder speaks just raw thumbhash, without |
| // the "\xC3\xBE\xFE" magic identifier to start the file. |
| // |
| // Enabling this quirk matches the behavior of the original JavaScript |
| // reference implementation at https://evanw.github.io/thumbhash/ |
| pub const QUIRK_JUST_RAW_THUMBHASH : base.u32 = 0x660F_6000 | 0x00 |
