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[package] edition = "2021" rust-version = "1.85" name = "glycin-common" version = "1.0.0" authors = ["Sophie Herold"] build = false autolib = false autobins = false autoexamples = false autotests = false autobenches = false description = "Sandboxed image decoding" homepage = "https://gitlab.gnome.org/GNOME/glycin" readme = false license = "MPL-2.0 OR LGPL-2.1-or-later" repository = "https://gitlab.gnome.org/GNOME/glycin" [features] default = [] gobject = ["dep:glib"] [lib] name = "glycin_common" path = "src/lib.rs" [dependencies.bitflags] version = "2.9.0" [dependencies.glib] version = "0.21.0" features = ["v2_68"] optional = true [dependencies.gufo-common] version = "1.0.1" features = ["serde"] [dependencies.half] version = "2.4.1" features = ["zerocopy"] [dependencies.memmap] version = "0.9.0" package = "memmap2" [dependencies.nix] version = "0.30.0" features = [ "fs", "resource", "signal", ] [dependencies.paste] version = "1.0.0" [dependencies.rmp-serde] version = "1.3.0" [dependencies.serde] version = "1.0.162" features = ["derive"] [dependencies.thiserror] version = "2.0.3" [dependencies.zerocopy] version = "0.8.12" [dependencies.zvariant] version = "5.4.0" default-features = false [lints.clippy] arithmetic_side_effects = "forbid" cast_possible_truncation = "forbid" cast_possible_wrap = "forbid" dbg_macro = "forbid" glycin-common-1.0.0/Cargo.toml.orig000064400000000000000000000012471046102023000152700ustar 00000000000000[package] name = "glycin-common" version = "1.0.0" authors.workspace = true description.workspace = true license.workspace = true homepage.workspace = true repository.workspace = true edition.workspace = true rust-version.workspace = true [lints] workspace = true [dependencies] bitflags.workspace = true glib = { workspace = true, optional = true } gufo-common.workspace = true half = { workspace = true, features = ["zerocopy"] } memmap.workspace = true nix.workspace = true paste.workspace = true rmp-serde.workspace = true serde.workspace = true thiserror.workspace = true zerocopy.workspace = true zvariant.workspace = true [features] default = [] gobject = ["dep:glib"] glycin-common-1.0.0/LICENSE000064400000000000000000000000351046102023000134000ustar 00000000000000MPL-2.0 OR LGPL-2.1-or-later glycin-common-1.0.0/LICENSE-LGPL-2.1000064400000000000000000000633421046102023000144440ustar 00000000000000 GNU LESSER GENERAL PUBLIC LICENSE Version 2.1, February 1999 Copyright (C) 1991, 1999 Free Software Foundation, Inc. Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. [This is the first released version of the Lesser GPL. It also counts as the successor of the GNU Library Public License, version 2, hence the version number 2.1.] Preamble The licenses for most software are designed to take away your freedom to share and change it. By contrast, the GNU General Public Licenses are intended to guarantee your freedom to share and change free software--to make sure the software is free for all its users. This license, the Lesser General Public License, applies to some specially designated software packages--typically libraries--of the Free Software Foundation and other authors who decide to use it. You can use it too, but we suggest you first think carefully about whether this license or the ordinary General Public License is the better strategy to use in any particular case, based on the explanations below. 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To apply these terms, attach the following notices to the library. It is safest to attach them to the start of each source file to most effectively convey the exclusion of warranty; and each file should have at least the "copyright" line and a pointer to where the full notice is found. glycin Copyright (C) 2023 Sophie Herold This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, see . Also add information on how to contact you by electronic and paper mail. You should also get your employer (if you work as a programmer) or your school, if any, to sign a "copyright disclaimer" for the library, if necessary. Here is a sample; alter the names: Yoyodyne, Inc., hereby disclaims all copyright interest in the library `Frob' (a library for tweaking knobs) written by James Random Hacker. , 1 April 1990 Ty Coon, President of Vice That's all there is to it! glycin-common-1.0.0/LICENSE-MPL-2.0000064400000000000000000000405261046102023000143340ustar 00000000000000Mozilla Public License Version 2.0 ================================== 1. Definitions -------------- 1.1. "Contributor" means each individual or legal entity that creates, contributes to the creation of, or owns Covered Software. 1.2. "Contributor Version" means the combination of the Contributions of others (if any) used by a Contributor and that particular Contributor's Contribution. 1.3. "Contribution" means Covered Software of a particular Contributor. 1.4. "Covered Software" means Source Code Form to which the initial Contributor has attached the notice in Exhibit A, the Executable Form of such Source Code Form, and Modifications of such Source Code Form, in each case including portions thereof. 1.5. "Incompatible With Secondary Licenses" means (a) that the initial Contributor has attached the notice described in Exhibit B to the Covered Software; or (b) that the Covered Software was made available under the terms of version 1.1 or earlier of the License, but not also under the terms of a Secondary License. 1.6. "Executable Form" means any form of the work other than Source Code Form. 1.7. "Larger Work" means a work that combines Covered Software with other material, in a separate file or files, that is not Covered Software. 1.8. "License" means this document. 1.9. "Licensable" means having the right to grant, to the maximum extent possible, whether at the time of the initial grant or subsequently, any and all of the rights conveyed by this License. 1.10. "Modifications" means any of the following: (a) any file in Source Code Form that results from an addition to, deletion from, or modification of the contents of Covered Software; or (b) any new file in Source Code Form that contains any Covered Software. 1.11. "Patent Claims" of a Contributor means any patent claim(s), including without limitation, method, process, and apparatus claims, in any patent Licensable by such Contributor that would be infringed, but for the grant of the License, by the making, using, selling, offering for sale, having made, import, or transfer of either its Contributions or its Contributor Version. 1.12. "Secondary License" means either the GNU General Public License, Version 2.0, the GNU Lesser General Public License, Version 2.1, the GNU Affero General Public License, Version 3.0, or any later versions of those licenses. 1.13. "Source Code Form" means the form of the work preferred for making modifications. 1.14. "You" (or "Your") means an individual or a legal entity exercising rights under this License. For legal entities, "You" includes any entity that controls, is controlled by, or is under common control with You. For purposes of this definition, "control" means (a) the power, direct or indirect, to cause the direction or management of such entity, whether by contract or otherwise, or (b) ownership of more than fifty percent (50%) of the outstanding shares or beneficial ownership of such entity. 2. License Grants and Conditions -------------------------------- 2.1. Grants Each Contributor hereby grants You a world-wide, royalty-free, non-exclusive license: (a) under intellectual property rights (other than patent or trademark) Licensable by such Contributor to use, reproduce, make available, modify, display, perform, distribute, and otherwise exploit its Contributions, either on an unmodified basis, with Modifications, or as part of a Larger Work; and (b) under Patent Claims of such Contributor to make, use, sell, offer for sale, have made, import, and otherwise transfer either its Contributions or its Contributor Version. 2.2. Effective Date The licenses granted in Section 2.1 with respect to any Contribution become effective for each Contribution on the date the Contributor first distributes such Contribution. 2.3. Limitations on Grant Scope The licenses granted in this Section 2 are the only rights granted under this License. No additional rights or licenses will be implied from the distribution or licensing of Covered Software under this License. Notwithstanding Section 2.1(b) above, no patent license is granted by a Contributor: (a) for any code that a Contributor has removed from Covered Software; or (b) for infringements caused by: (i) Your and any other third party's modifications of Covered Software, or (ii) the combination of its Contributions with other software (except as part of its Contributor Version); or (c) under Patent Claims infringed by Covered Software in the absence of its Contributions. This License does not grant any rights in the trademarks, service marks, or logos of any Contributor (except as may be necessary to comply with the notice requirements in Section 3.4). 2.4. Subsequent Licenses No Contributor makes additional grants as a result of Your choice to distribute the Covered Software under a subsequent version of this License (see Section 10.2) or under the terms of a Secondary License (if permitted under the terms of Section 3.3). 2.5. Representation Each Contributor represents that the Contributor believes its Contributions are its original creation(s) or it has sufficient rights to grant the rights to its Contributions conveyed by this License. 2.6. Fair Use This License is not intended to limit any rights You have under applicable copyright doctrines of fair use, fair dealing, or other equivalents. 2.7. Conditions Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted in Section 2.1. 3. Responsibilities ------------------- 3.1. Distribution of Source Form All distribution of Covered Software in Source Code Form, including any Modifications that You create or to which You contribute, must be under the terms of this License. You must inform recipients that the Source Code Form of the Covered Software is governed by the terms of this License, and how they can obtain a copy of this License. You may not attempt to alter or restrict the recipients' rights in the Source Code Form. 3.2. Distribution of Executable Form If You distribute Covered Software in Executable Form then: (a) such Covered Software must also be made available in Source Code Form, as described in Section 3.1, and You must inform recipients of the Executable Form how they can obtain a copy of such Source Code Form by reasonable means in a timely manner, at a charge no more than the cost of distribution to the recipient; and (b) You may distribute such Executable Form under the terms of this License, or sublicense it under different terms, provided that the license for the Executable Form does not attempt to limit or alter the recipients' rights in the Source Code Form under this License. 3.3. Distribution of a Larger Work You may create and distribute a Larger Work under terms of Your choice, provided that You also comply with the requirements of this License for the Covered Software. If the Larger Work is a combination of Covered Software with a work governed by one or more Secondary Licenses, and the Covered Software is not Incompatible With Secondary Licenses, this License permits You to additionally distribute such Covered Software under the terms of such Secondary License(s), so that the recipient of the Larger Work may, at their option, further distribute the Covered Software under the terms of either this License or such Secondary License(s). 3.4. Notices You may not remove or alter the substance of any license notices (including copyright notices, patent notices, disclaimers of warranty, or limitations of liability) contained within the Source Code Form of the Covered Software, except that You may alter any license notices to the extent required to remedy known factual inaccuracies. 3.5. Application of Additional Terms You may choose to offer, and to charge a fee for, warranty, support, indemnity or liability obligations to one or more recipients of Covered Software. However, You may do so only on Your own behalf, and not on behalf of any Contributor. You must make it absolutely clear that any such warranty, support, indemnity, or liability obligation is offered by You alone, and You hereby agree to indemnify every Contributor for any liability incurred by such Contributor as a result of warranty, support, indemnity or liability terms You offer. You may include additional disclaimers of warranty and limitations of liability specific to any jurisdiction. 4. Inability to Comply Due to Statute or Regulation --------------------------------------------------- If it is impossible for You to comply with any of the terms of this License with respect to some or all of the Covered Software due to statute, judicial order, or regulation then You must: (a) comply with the terms of this License to the maximum extent possible; and (b) describe the limitations and the code they affect. Such description must be placed in a text file included with all distributions of the Covered Software under this License. Except to the extent prohibited by statute or regulation, such description must be sufficiently detailed for a recipient of ordinary skill to be able to understand it. 5. Termination -------------- 5.1. The rights granted under this License will terminate automatically if You fail to comply with any of its terms. However, if You become compliant, then the rights granted under this License from a particular Contributor are reinstated (a) provisionally, unless and until such Contributor explicitly and finally terminates Your grants, and (b) on an ongoing basis, if such Contributor fails to notify You of the non-compliance by some reasonable means prior to 60 days after You have come back into compliance. Moreover, Your grants from a particular Contributor are reinstated on an ongoing basis if such Contributor notifies You of the non-compliance by some reasonable means, this is the first time You have received notice of non-compliance with this License from such Contributor, and You become compliant prior to 30 days after Your receipt of the notice. 5.2. If You initiate litigation against any entity by asserting a patent infringement claim (excluding declaratory judgment actions, counter-claims, and cross-claims) alleging that a Contributor Version directly or indirectly infringes any patent, then the rights granted to You by any and all Contributors for the Covered Software under Section 2.1 of this License shall terminate. 5.3. In the event of termination under Sections 5.1 or 5.2 above, all end user license agreements (excluding distributors and resellers) which have been validly granted by You or Your distributors under this License prior to termination shall survive termination. ************************************************************************ * * * 6. Disclaimer of Warranty * * ------------------------- * * * * Covered Software is provided under this License on an "as is" * * basis, without warranty of any kind, either expressed, implied, or * * statutory, including, without limitation, warranties that the * * Covered Software is free of defects, merchantable, fit for a * * particular purpose or non-infringing. The entire risk as to the * * quality and performance of the Covered Software is with You. * * Should any Covered Software prove defective in any respect, You * * (not any Contributor) assume the cost of any necessary servicing, * * repair, or correction. This disclaimer of warranty constitutes an * * essential part of this License. No use of any Covered Software is * * authorized under this License except under this disclaimer. * * * ************************************************************************ ************************************************************************ * * * 7. Limitation of Liability * * -------------------------- * * * * Under no circumstances and under no legal theory, whether tort * * (including negligence), contract, or otherwise, shall any * * Contributor, or anyone who distributes Covered Software as * * permitted above, be liable to You for any direct, indirect, * * special, incidental, or consequential damages of any character * * including, without limitation, damages for lost profits, loss of * * goodwill, work stoppage, computer failure or malfunction, or any * * and all other commercial damages or losses, even if such party * * shall have been informed of the possibility of such damages. This * * limitation of liability shall not apply to liability for death or * * personal injury resulting from such party's negligence to the * * extent applicable law prohibits such limitation. Some * * jurisdictions do not allow the exclusion or limitation of * * incidental or consequential damages, so this exclusion and * * limitation may not apply to You. * * * ************************************************************************ 8. Litigation ------------- Any litigation relating to this License may be brought only in the courts of a jurisdiction where the defendant maintains its principal place of business and such litigation shall be governed by laws of that jurisdiction, without reference to its conflict-of-law provisions. Nothing in this Section shall prevent a party's ability to bring cross-claims or counter-claims. 9. Miscellaneous ---------------- This License represents the complete agreement concerning the subject matter hereof. If any provision of this License is held to be unenforceable, such provision shall be reformed only to the extent necessary to make it enforceable. Any law or regulation which provides that the language of a contract shall be construed against the drafter shall not be used to construe this License against a Contributor. 10. Versions of the License --------------------------- 10.1. New Versions Mozilla Foundation is the license steward. Except as provided in Section 10.3, no one other than the license steward has the right to modify or publish new versions of this License. Each version will be given a distinguishing version number. 10.2. Effect of New Versions You may distribute the Covered Software under the terms of the version of the License under which You originally received the Covered Software, or under the terms of any subsequent version published by the license steward. 10.3. Modified Versions If you create software not governed by this License, and you want to create a new license for such software, you may create and use a modified version of this License if you rename the license and remove any references to the name of the license steward (except to note that such modified license differs from this License). 10.4. Distributing Source Code Form that is Incompatible With Secondary Licenses If You choose to distribute Source Code Form that is Incompatible With Secondary Licenses under the terms of this version of the License, the notice described in Exhibit B of this License must be attached. Exhibit A - Source Code Form License Notice ------------------------------------------- This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. If a copy of the MPL was not distributed with this file, You can obtain one at https://mozilla.org/MPL/2.0/. If it is not possible or desirable to put the notice in a particular file, then You may include the notice in a location (such as a LICENSE file in a relevant directory) where a recipient would be likely to look for such a notice. You may add additional accurate notices of copyright ownership. Exhibit B - "Incompatible With Secondary Licenses" Notice --------------------------------------------------------- This Source Code Form is "Incompatible With Secondary Licenses", as defined by the Mozilla Public License, v. 2.0. glycin-common-1.0.0/src/binary_data.rs000064400000000000000000000035641046102023000160170ustar 00000000000000use std::ops::Deref; use std::os::fd::{AsRawFd, OwnedFd}; use std::sync::Arc; use serde::{Deserialize, Deserializer, Serialize, Serializer}; #[derive(zvariant::Type, Debug, Clone)] #[zvariant(signature = "h")] pub struct BinaryData { pub(crate) memfd: Arc, } impl Serialize for BinaryData { fn serialize(&self, serializer: S) -> Result where S: Serializer, { self.memfd.serialize(serializer) } } impl<'de> Deserialize<'de> for BinaryData { fn deserialize(deserializer: D) -> Result where D: Deserializer<'de>, { Ok(Self { memfd: Arc::new(zvariant::OwnedFd::deserialize(deserializer)?), }) } } impl AsRawFd for BinaryData { fn as_raw_fd(&self) -> std::os::unix::prelude::RawFd { self.memfd.as_raw_fd() } } impl AsRawFd for &BinaryData { fn as_raw_fd(&self) -> std::os::unix::prelude::RawFd { self.memfd.as_raw_fd() } } impl From for BinaryData { fn from(value: OwnedFd) -> Self { let owned_fd = zvariant::OwnedFd::from(value); BinaryData { memfd: Arc::new(owned_fd), } } } impl BinaryData { /// Get a copy of the binary data pub fn get_full(&self) -> std::io::Result> { Ok(self.get()?.to_vec()) } /// Get a reference to the binary data pub fn get(&self) -> std::io::Result { Ok(BinaryDataRef { mmap: { unsafe { memmap::MmapOptions::new().map_copy_read_only(&self.memfd)? } }, }) } } #[derive(Debug)] pub struct BinaryDataRef { mmap: memmap::Mmap, } impl Deref for BinaryDataRef { type Target = [u8]; fn deref(&self) -> &[u8] { self.mmap.deref() } } impl AsRef<[u8]> for BinaryDataRef { fn as_ref(&self) -> &[u8] { self.mmap.deref() } } glycin-common-1.0.0/src/error.rs000064400000000000000000000010571046102023000146660ustar 00000000000000use std::num::TryFromIntError; use std::sync::Arc; #[derive(Debug, Clone, thiserror::Error)] #[non_exhaustive] pub enum Error { #[error("Remote error: {0}")] Io(Arc), #[error("OutOfMemory")] OutOfMemory, #[error("TryFromIntError")] TryFromIntError(#[from] TryFromIntError), } impl From for Error { fn from(err: std::io::Error) -> Self { if err.kind() == std::io::ErrorKind::OutOfMemory { Self::OutOfMemory } else { Self::Io(Arc::new(err)) } } } glycin-common-1.0.0/src/lib.rs000064400000000000000000000004211046102023000142750ustar 00000000000000mod binary_data; mod error; mod memory_format; mod memory_format_selection; mod operations; pub mod shared_memory; pub use binary_data::{BinaryData, BinaryDataRef}; pub use error::Error; pub use memory_format::*; pub use memory_format_selection::*; pub use operations::*; glycin-common-1.0.0/src/memory_format.rs000064400000000000000000000431471046102023000164230ustar 00000000000000use std::io::Read; use serde::{Deserialize, Serialize}; use zerocopy::{FromBytes, IntoBytes}; use zvariant::Type; pub trait MemoryFormatInfo: Sized { fn n_bytes(self) -> MemoryFormatBytes; fn n_channels(self) -> u8; } gufo_common::maybe_convertible_enum!( #[repr(i32)] #[derive(Deserialize, Serialize, Type, Debug, Clone, Copy, PartialEq, Eq)] #[cfg_attr(feature = "gobject", derive(glib::Enum))] #[cfg_attr(feature = "gobject", enum_type(name = "GlyMemoryFormat"))] #[zvariant(signature = "u")] /// Describes the formats the image data can have. pub enum MemoryFormat { B8g8r8a8Premultiplied = 0, A8r8g8b8Premultiplied = 1, R8g8b8a8Premultiplied = 2, B8g8r8a8 = 3, A8r8g8b8 = 4, R8g8b8a8 = 5, A8b8g8r8 = 6, R8g8b8 = 7, B8g8r8 = 8, R16g16b16 = 9, R16g16b16a16Premultiplied = 10, R16g16b16a16 = 11, R16g16b16Float = 12, R16g16b16a16Float = 13, R32g32b32Float = 14, R32g32b32a32FloatPremultiplied = 15, R32g32b32a32Float = 16, G8a8Premultiplied = 17, G8a8 = 18, G8 = 19, G16a16Premultiplied = 20, G16a16 = 21, G16 = 22, } ); impl MemoryFormatInfo for MemoryFormat { fn n_bytes(self) -> MemoryFormatBytes { match self { MemoryFormat::B8g8r8a8Premultiplied => MemoryFormatBytes::B4, MemoryFormat::A8r8g8b8Premultiplied => MemoryFormatBytes::B4, MemoryFormat::R8g8b8a8Premultiplied => MemoryFormatBytes::B4, MemoryFormat::B8g8r8a8 => MemoryFormatBytes::B4, MemoryFormat::A8r8g8b8 => MemoryFormatBytes::B4, MemoryFormat::R8g8b8a8 => MemoryFormatBytes::B4, MemoryFormat::A8b8g8r8 => MemoryFormatBytes::B4, MemoryFormat::R8g8b8 => MemoryFormatBytes::B3, MemoryFormat::B8g8r8 => MemoryFormatBytes::B3, MemoryFormat::R16g16b16 => MemoryFormatBytes::B6, MemoryFormat::R16g16b16a16Premultiplied => MemoryFormatBytes::B8, MemoryFormat::R16g16b16a16 => MemoryFormatBytes::B8, MemoryFormat::R16g16b16Float => MemoryFormatBytes::B6, MemoryFormat::R16g16b16a16Float => MemoryFormatBytes::B8, MemoryFormat::R32g32b32Float => MemoryFormatBytes::B12, MemoryFormat::R32g32b32a32FloatPremultiplied => MemoryFormatBytes::B16, MemoryFormat::R32g32b32a32Float => MemoryFormatBytes::B16, MemoryFormat::G8a8Premultiplied => MemoryFormatBytes::B2, MemoryFormat::G8a8 => MemoryFormatBytes::B2, MemoryFormat::G8 => MemoryFormatBytes::B1, MemoryFormat::G16a16Premultiplied => MemoryFormatBytes::B4, MemoryFormat::G16a16 => MemoryFormatBytes::B4, MemoryFormat::G16 => MemoryFormatBytes::B2, } } fn n_channels(self) -> u8 { match self { MemoryFormat::B8g8r8a8Premultiplied | MemoryFormat::A8r8g8b8Premultiplied | MemoryFormat::R8g8b8a8Premultiplied | MemoryFormat::B8g8r8a8 | MemoryFormat::A8r8g8b8 | MemoryFormat::R8g8b8a8 | MemoryFormat::A8b8g8r8 | MemoryFormat::R16g16b16a16Premultiplied | MemoryFormat::R16g16b16a16 | MemoryFormat::R16g16b16a16Float | MemoryFormat::R32g32b32a32FloatPremultiplied | MemoryFormat::R32g32b32a32Float => 4, MemoryFormat::R8g8b8 | MemoryFormat::B8g8r8 | MemoryFormat::R16g16b16 | MemoryFormat::R16g16b16Float | MemoryFormat::R32g32b32Float => 3, MemoryFormat::G8a8Premultiplied | MemoryFormat::G8a8 | MemoryFormat::G16a16Premultiplied | MemoryFormat::G16a16 => 2, MemoryFormat::G8 | MemoryFormat::G16 => 1, } } } impl MemoryFormat { pub const fn channel_type(self) -> ChannelType { match self { MemoryFormat::B8g8r8a8Premultiplied | MemoryFormat::A8r8g8b8Premultiplied | MemoryFormat::R8g8b8a8Premultiplied | MemoryFormat::B8g8r8a8 | MemoryFormat::A8r8g8b8 | MemoryFormat::R8g8b8a8 | MemoryFormat::A8b8g8r8 | MemoryFormat::R8g8b8 | MemoryFormat::B8g8r8 | MemoryFormat::G8a8Premultiplied | MemoryFormat::G8a8 | MemoryFormat::G8 => ChannelType::U8, MemoryFormat::R16g16b16 | MemoryFormat::R16g16b16a16Premultiplied | MemoryFormat::R16g16b16a16 | MemoryFormat::G16a16Premultiplied | MemoryFormat::G16a16 | MemoryFormat::G16 => ChannelType::U16, MemoryFormat::R16g16b16Float | MemoryFormat::R16g16b16a16Float => ChannelType::F16, MemoryFormat::R32g32b32Float | MemoryFormat::R32g32b32a32FloatPremultiplied | MemoryFormat::R32g32b32a32Float => ChannelType::F32, } } pub const fn has_alpha(self) -> bool { match self { MemoryFormat::B8g8r8a8Premultiplied | MemoryFormat::A8r8g8b8Premultiplied | MemoryFormat::R8g8b8a8Premultiplied | MemoryFormat::B8g8r8a8 | MemoryFormat::A8r8g8b8 | MemoryFormat::R8g8b8a8 | MemoryFormat::A8b8g8r8 | MemoryFormat::R16g16b16a16Premultiplied | MemoryFormat::R32g32b32a32FloatPremultiplied | MemoryFormat::R32g32b32a32Float | MemoryFormat::G8a8Premultiplied | MemoryFormat::G8a8 | MemoryFormat::R16g16b16a16 | MemoryFormat::R16g16b16a16Float | MemoryFormat::G16a16Premultiplied | MemoryFormat::G16a16 => true, MemoryFormat::R8g8b8 | MemoryFormat::B8g8r8 | MemoryFormat::R16g16b16 | MemoryFormat::R16g16b16Float | MemoryFormat::R32g32b32Float | MemoryFormat::G8 | MemoryFormat::G16 => false, } } pub const fn is_premultiplied(self) -> bool { match self { MemoryFormat::B8g8r8a8Premultiplied | MemoryFormat::A8r8g8b8Premultiplied | MemoryFormat::R8g8b8a8Premultiplied | MemoryFormat::R16g16b16a16Premultiplied | MemoryFormat::R32g32b32a32FloatPremultiplied | MemoryFormat::G8a8Premultiplied | MemoryFormat::G16a16Premultiplied => true, MemoryFormat::B8g8r8a8 | MemoryFormat::A8r8g8b8 | MemoryFormat::R8g8b8a8 | MemoryFormat::A8b8g8r8 | MemoryFormat::R8g8b8 | MemoryFormat::B8g8r8 | MemoryFormat::R16g16b16 | MemoryFormat::R16g16b16a16 | MemoryFormat::R16g16b16Float | MemoryFormat::R16g16b16a16Float | MemoryFormat::R32g32b32Float | MemoryFormat::R32g32b32a32Float | MemoryFormat::G8a8 | MemoryFormat::G8 | MemoryFormat::G16a16 | MemoryFormat::G16 => false, } } /// Defines from which channels to get the RGBA values /// /// The return value is in the order `[R, G, B, A]`. pub const fn source_definition(self) -> [Source; 4] { match self { MemoryFormat::B8g8r8a8Premultiplied | MemoryFormat::B8g8r8a8 => { [Source::C2, Source::C1, Source::C0, Source::C3] } MemoryFormat::A8r8g8b8Premultiplied | MemoryFormat::A8r8g8b8 => { [Source::C1, Source::C2, Source::C3, Source::C0] } MemoryFormat::R8g8b8a8Premultiplied | MemoryFormat::R8g8b8a8 | MemoryFormat::R16g16b16a16Premultiplied | MemoryFormat::R16g16b16a16 | MemoryFormat::R16g16b16a16Float | MemoryFormat::R32g32b32a32FloatPremultiplied | MemoryFormat::R32g32b32a32Float => [Source::C0, Source::C1, Source::C2, Source::C3], MemoryFormat::A8b8g8r8 => [Source::C1, Source::C2, Source::C3, Source::C0], MemoryFormat::R8g8b8 | MemoryFormat::R16g16b16 | MemoryFormat::R16g16b16Float | MemoryFormat::R32g32b32Float => [Source::C0, Source::C1, Source::C2, Source::Opaque], MemoryFormat::B8g8r8 => [Source::C2, Source::C1, Source::C0, Source::Opaque], MemoryFormat::G8a8Premultiplied | MemoryFormat::G8a8 | MemoryFormat::G16a16Premultiplied | MemoryFormat::G16a16 => [Source::C0, Source::C0, Source::C0, Source::C1], MemoryFormat::G8 | MemoryFormat::G16 => { [Source::C0, Source::C0, Source::C0, Source::Opaque] } } } pub const fn target_definition(self) -> &'static [Target] { match self { MemoryFormat::B8g8r8a8Premultiplied | MemoryFormat::B8g8r8a8 => { &[Target::B, Target::G, Target::R, Target::A] } MemoryFormat::A8r8g8b8Premultiplied | MemoryFormat::A8r8g8b8 => { &[Target::A, Target::R, Target::G, Target::B] } MemoryFormat::R8g8b8a8Premultiplied | MemoryFormat::R8g8b8a8 | MemoryFormat::R16g16b16a16Premultiplied | MemoryFormat::R16g16b16a16 | MemoryFormat::R16g16b16a16Float | MemoryFormat::R32g32b32a32FloatPremultiplied | MemoryFormat::R32g32b32a32Float => &[Target::R, Target::G, Target::B, Target::A], MemoryFormat::A8b8g8r8 => &[Target::A, Target::B, Target::G, Target::R], MemoryFormat::R8g8b8 | MemoryFormat::R16g16b16 | MemoryFormat::R16g16b16Float | MemoryFormat::R32g32b32Float => &[Target::R, Target::G, Target::B], MemoryFormat::B8g8r8 => &[Target::B, Target::G, Target::R], MemoryFormat::G8a8Premultiplied | MemoryFormat::G8a8 | MemoryFormat::G16a16Premultiplied | MemoryFormat::G16a16 => &[Target::RgbAvg, Target::A], MemoryFormat::G8 | MemoryFormat::G16 => &[Target::RgbAvg], } } #[inline] pub fn transform(src_format: Self, src: &[u8], target_format: Self, target: &mut [u8]) { let channels_f32 = Self::to_f32(src_format, src); Self::from_f32(channels_f32, target_format, target); } #[inline] pub fn to_f32(src_format: Self, mut src: &[u8]) -> [f32; 4] { match src_format.channel_type() { ChannelType::U8 => { Self::to_f32_internal::(FromBytes::ref_from_bytes(src).unwrap(), src_format) } ChannelType::U16 => { Self::to_f32_internal::(FromBytes::ref_from_bytes(src).unwrap(), src_format) } ChannelType::F16 => { let bytes = &mut [0; 2]; let mut f16_data = Vec::new(); while let Ok(()) = src.read_exact(bytes) { f16_data.push(half::f16::from_ne_bytes(*bytes)); } Self::to_f32_internal::(&f16_data, src_format) } ChannelType::F32 => { Self::to_f32_internal::(FromBytes::ref_from_bytes(src).unwrap(), src_format) } } } #[inline] fn to_f32_internal(source_channels: &[T], source_format: Self) -> [f32; 4] { let mut channels_f32 = [0.0_f32; 4]; let source_definition = source_format.source_definition(); for (n, channel) in channels_f32.iter_mut().enumerate() { *channel = match source_definition[n] { Source::C0 => (source_channels[0]).to_f32_normed(), Source::C1 => (source_channels[1]).to_f32_normed(), Source::C2 => (source_channels[2]).to_f32_normed(), Source::C3 => (source_channels[3]).to_f32_normed(), Source::Opaque => 1., }; } if source_format.is_premultiplied() && channels_f32[3] > 0. { channels_f32[0] /= channels_f32[3]; channels_f32[1] /= channels_f32[3]; channels_f32[2] /= channels_f32[3]; } channels_f32 } #[inline] pub(crate) fn from_f32(channels_f32: [f32; 4], target_format: Self, target: &mut [u8]) { match target_format.channel_type() { ChannelType::U8 => Self::from_f32_internal::(channels_f32, target_format, target), ChannelType::U16 => Self::from_f32_internal::(channels_f32, target_format, target), ChannelType::F16 => { Self::from_f32_internal::(channels_f32, target_format, target) } ChannelType::F32 => Self::from_f32_internal::(channels_f32, target_format, target), } } #[inline] fn from_f32_internal( channels_f32: [f32; 4], target_format: Self, target: &mut [u8], ) { let target_channel_size = target_format.channel_type().size(); let premultiply = if target_format.is_premultiplied() { channels_f32[3] } else { 1. }; for (n, def) in target_format.target_definition().iter().enumerate() { let new_channel = match def { Target::R => T::from_f32_normed(channels_f32[0] * premultiply), Target::G => T::from_f32_normed(channels_f32[1] * premultiply), Target::B => T::from_f32_normed(channels_f32[2] * premultiply), Target::A => T::from_f32_normed(channels_f32[3]), Target::RgbAvg => { T::from_f32_normed((channels_f32[0] + channels_f32[1] + channels_f32[2]) / 3.) } }; let bytes = new_channel.as_bytes_wrapper(); for i in 0..target_channel_size { target[n * target_channel_size + i] = bytes[i]; } } } } #[derive(Debug, Clone, Copy)] pub enum ExtendedMemoryFormat { Basic(MemoryFormat), Y8Cb8Cr8, } impl MemoryFormatInfo for ExtendedMemoryFormat { fn n_bytes(self) -> MemoryFormatBytes { match self { Self::Basic(basic) => basic.n_bytes(), Self::Y8Cb8Cr8 => MemoryFormatBytes::B3, } } fn n_channels(self) -> u8 { match self { Self::Basic(basic) => basic.n_channels(), Self::Y8Cb8Cr8 => 3, } } } trait ChannelValue: Default + Copy { fn from_f32_normed(value: f32) -> Self; fn to_f32_normed(self) -> f32; fn as_bytes_wrapper(&self) -> &[u8]; } impl ChannelValue for u8 { fn from_f32_normed(value: f32) -> Self { (value * Self::MAX as f32).round() as Self } fn to_f32_normed(self) -> f32 { (self as f32) / Self::MAX as f32 } fn as_bytes_wrapper(&self) -> &[u8] { self.as_bytes() } } impl ChannelValue for u16 { fn from_f32_normed(value: f32) -> Self { (value * Self::MAX as f32).round() as Self } fn to_f32_normed(self) -> f32 { (self as f32) / Self::MAX as f32 } fn as_bytes_wrapper(&self) -> &[u8] { self.as_bytes() } } impl ChannelValue for half::f16 { fn from_f32_normed(value: f32) -> Self { Self::from_f32(value) } fn to_f32_normed(self) -> f32 { self.into() } fn as_bytes_wrapper(&self) -> &[u8] { self.as_bytes() } } impl ChannelValue for f32 { fn from_f32_normed(value: f32) -> Self { value } fn to_f32_normed(self) -> f32 { self } fn as_bytes_wrapper(&self) -> &[u8] { self.as_bytes() } } #[derive(Debug, Clone, Copy, PartialEq, Eq)] pub enum Target { R, G, B, A, RgbAvg, } /// Defines a channel from which to take the value for a color/opacity /// /// These are usually used in an array of sources of the order [R, G, B, A]. #[derive(Debug, Clone, Copy, PartialEq, Eq)] pub enum Source { C0, C1, C2, C3, Opaque, } #[derive(Debug, PartialEq, Eq)] pub enum ChannelType { U8, U16, F16, F32, } impl ChannelType { pub fn size(self) -> usize { match self { Self::U8 => 1, Self::U16 => 2, Self::F16 => 2, Self::F32 => 4, } } } impl From for ExtendedMemoryFormat { fn from(value: MemoryFormat) -> Self { Self::Basic(value) } } #[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)] pub enum MemoryFormatBytes { B1 = 1, B2 = 2, B3 = 3, B4 = 4, B6 = 6, B8 = 8, B12 = 12, B16 = 16, } // TODO: Convert to From trait impls impl MemoryFormatBytes { pub fn u8(self) -> u8 { self as u8 } pub fn u32(self) -> u32 { self as u32 } pub fn u64(self) -> u64 { self as u64 } pub fn usize(self) -> usize { self as usize } } #[cfg(test)] mod tests { use super::*; #[test] fn simple() { let target = &mut [0; 4]; MemoryFormat::transform( MemoryFormat::R8g8b8, &[255, 85, 127], MemoryFormat::B8g8r8a8, target, ); assert_eq!(*target, [127, 85, 255, 255]); } #[test] fn grayscale() { let target = &mut [0; 1]; MemoryFormat::transform( MemoryFormat::R8g8b8, &[255, 0, 127], MemoryFormat::G8, target, ); assert_eq!(*target, [127]); } #[test] fn u16() { let target = &mut [0; 6]; MemoryFormat::transform( MemoryFormat::R8g8b8, &[255, 0, 127], MemoryFormat::R16g16b16, target, ); assert_eq!(*target, [255, 255, 0, 0, 127, 127]); } } glycin-common-1.0.0/src/memory_format_selection.rs000064400000000000000000000161051046102023000204620ustar 00000000000000use crate::{MemoryFormat, MemoryFormatInfo}; /// Selection of memory formats the API user accepts #[cfg(feature = "gobject")] #[glib::flags(name = "GlyMemoryFormatSelection")] pub enum MemoryFormatSelection { B8g8r8a8Premultiplied = (1 << 0), A8r8g8b8Premultiplied = (1 << 1), R8g8b8a8Premultiplied = (1 << 2), B8g8r8a8 = (1 << 3), A8r8g8b8 = (1 << 4), R8g8b8a8 = (1 << 5), A8b8g8r8 = (1 << 6), R8g8b8 = (1 << 7), B8g8r8 = (1 << 8), R16g16b16 = (1 << 9), R16g16b16a16Premultiplied = (1 << 10), R16g16b16a16 = (1 << 11), R16g16b16Float = (1 << 12), R16g16b16a16Float = (1 << 13), R32g32b32Float = (1 << 14), R32g32b32a32FloatPremultiplied = (1 << 15), R32g32b32a32Float = (1 << 16), G8a8Premultiplied = (1 << 17), G8a8 = (1 << 18), G8 = (1 << 19), G16a16Premultiplied = (1 << 20), G16a16 = (1 << 21), G16 = (1 << 22), } #[cfg(not(feature = "gobject"))] bitflags::bitflags! { /// Selection of memory formats the API user accepts #[derive(Debug, Clone, Copy)] pub struct MemoryFormatSelection: u32 { const B8g8r8a8Premultiplied = (1 << 0); const A8r8g8b8Premultiplied = (1 << 1); const R8g8b8a8Premultiplied = (1 << 2); const B8g8r8a8 = (1 << 3); const A8r8g8b8 = (1 << 4); const R8g8b8a8 = (1 << 5); const A8b8g8r8 = (1 << 6); const R8g8b8 = (1 << 7); const B8g8r8 = (1 << 8); const R16g16b16 = (1 << 9); const R16g16b16a16Premultiplied = (1 << 10); const R16g16b16a16 = (1 << 11); const R16g16b16Float = (1 << 12); const R16g16b16a16Float = (1 << 13); const R32g32b32Float = (1 << 14); const R32g32b32a32FloatPremultiplied = (1 << 15); const R32g32b32a32Float = (1 << 16); const G8a8Premultiplied = (1 << 17); const G8a8 = (1 << 18); const G8 = (1 << 19); const G16a16Premultiplied = (1 << 20); const G16a16 = (1 << 21); const G16 = (1 << 22); } } impl Default for MemoryFormatSelection { fn default() -> Self { Self::all() } } impl MemoryFormatSelection { const X: [(MemoryFormatSelection, MemoryFormat); 23] = [ ( MemoryFormatSelection::B8g8r8a8Premultiplied, MemoryFormat::B8g8r8a8Premultiplied, ), ( MemoryFormatSelection::A8r8g8b8Premultiplied, MemoryFormat::A8r8g8b8Premultiplied, ), ( MemoryFormatSelection::R8g8b8a8Premultiplied, MemoryFormat::R8g8b8a8Premultiplied, ), (MemoryFormatSelection::B8g8r8a8, MemoryFormat::B8g8r8a8), (MemoryFormatSelection::A8r8g8b8, MemoryFormat::A8r8g8b8), (MemoryFormatSelection::R8g8b8a8, MemoryFormat::R8g8b8a8), (MemoryFormatSelection::A8b8g8r8, MemoryFormat::A8b8g8r8), (MemoryFormatSelection::R8g8b8, MemoryFormat::R8g8b8), (MemoryFormatSelection::B8g8r8, MemoryFormat::B8g8r8), (MemoryFormatSelection::R16g16b16, MemoryFormat::R16g16b16), ( MemoryFormatSelection::R16g16b16a16Premultiplied, MemoryFormat::R16g16b16a16Premultiplied, ), ( MemoryFormatSelection::R16g16b16a16, MemoryFormat::R16g16b16a16, ), ( MemoryFormatSelection::R16g16b16Float, MemoryFormat::R16g16b16Float, ), ( MemoryFormatSelection::R16g16b16a16Float, MemoryFormat::R16g16b16a16Float, ), ( MemoryFormatSelection::R32g32b32Float, MemoryFormat::R32g32b32Float, ), ( MemoryFormatSelection::R32g32b32a32FloatPremultiplied, MemoryFormat::R32g32b32a32FloatPremultiplied, ), ( MemoryFormatSelection::R32g32b32a32Float, MemoryFormat::R32g32b32a32Float, ), ( MemoryFormatSelection::G8a8Premultiplied, MemoryFormat::G8a8Premultiplied, ), (MemoryFormatSelection::G8a8, MemoryFormat::G8a8), (MemoryFormatSelection::G8, MemoryFormat::G8), ( MemoryFormatSelection::G16a16Premultiplied, MemoryFormat::G16a16Premultiplied, ), (MemoryFormatSelection::G16a16, MemoryFormat::G16a16), (MemoryFormatSelection::G16, MemoryFormat::G16), ]; /// List of selected memory formats pub fn memory_formats(self) -> Vec { let mut vec = Vec::new(); for (selection, format) in Self::X { if self.contains(selection) { vec.push(format); } } vec } /// Select the best contained format to represent `src` /// /// The function returns `None` if no formats are selected. /// /// ``` /// # use glycin_utils::{MemoryFormatSelection, MemoryFormat}; /// /// assert_eq!( /// (MemoryFormatSelection::R8g8b8 | MemoryFormatSelection::R8g8b8a8) /// .best_format_for(MemoryFormat::A8b8g8r8), /// Some(MemoryFormat::R8g8b8a8) /// ); /// /// assert_eq!( /// (MemoryFormatSelection::R8g8b8 | MemoryFormatSelection::R8g8b8a8) /// .best_format_for(MemoryFormat::B8g8r8), /// Some(MemoryFormat::R8g8b8) /// ); /// /// assert_eq!( /// (MemoryFormatSelection::R8g8b8 | MemoryFormatSelection::R16g16b16) /// .best_format_for(MemoryFormat::B8g8r8), /// Some(MemoryFormat::R8g8b8) /// ); /// /// assert_eq!( /// (MemoryFormatSelection::R8g8b8 | MemoryFormatSelection::R16g16b16) /// .best_format_for(MemoryFormat::R16g16b16Float), /// Some(MemoryFormat::R16g16b16) /// ); /// /// assert_eq!( /// MemoryFormatSelection::empty().best_format_for(MemoryFormat::R16g16b16Float), /// None /// ); /// ``` pub fn best_format_for(self, src: MemoryFormat) -> Option { let formats: Vec = self.memory_formats(); // Shortcut if format itself is supported if formats.contains(&src) { return Some(src); } let mut formats_categorized = formats .into_iter() .map(|x| { ( // Prioritize formats by how good they can represent the original format ( x.has_alpha() == src.has_alpha(), x.n_channels() >= src.n_channels(), x.channel_type() == src.channel_type(), x.channel_type().size() >= src.channel_type().size(), // Don't have unnecessary many channels -(x.n_channels() as i8), // Don't have unnecessary large types -(x.channel_type().size() as i8), ), x, ) }) .collect::>(); formats_categorized.sort_by_key(|x| x.0); // The best format is the highest ranked, i.e. the last one formats_categorized.last().map(|x| x.1) } } glycin-common-1.0.0/src/operations.rs000064400000000000000000000160461046102023000157240ustar 00000000000000use std::io::Read; use std::str::FromStr; use gufo_common::orientation::{Orientation, Rotation}; use serde::de::{value, IntoDeserializer}; use serde::{Deserialize, Deserializer, Serialize}; #[derive(Debug, Clone, PartialEq, Deserialize, Serialize)] #[non_exhaustive] pub enum Operation { Clip((u32, u32, u32, u32)), MirrorHorizontally, MirrorVertically, /// Counter-clockwise rotation Rotate(gufo_common::orientation::Rotation), } #[derive(Debug, Clone, Copy, PartialEq, Eq, Deserialize, Serialize)] #[non_exhaustive] pub enum OperationId { Clip, MirrorHorizontally, MirrorVertically, Rotate, } #[derive(Debug, PartialEq, Deserialize, Serialize)] #[serde(from = "OperationsIntermediate")] pub struct Operations { operations: Vec, #[serde(skip)] unknown_operations: Vec, } impl Operations { pub fn new(operations: Vec) -> Operations { Self { operations, unknown_operations: vec![], } } /// Creates new operations that apply the specified orientation pub fn new_orientation(orientation: Orientation) -> Operations { let mut operations = Vec::new(); if orientation.mirror() { operations.push(Operation::MirrorHorizontally); } let rotate = orientation.rotate(); if rotate != Rotation::_0 { operations.push(Operation::Rotate(rotate)); } Self { operations, unknown_operations: Vec::new(), } } /// Prepend operations /// /// ``` /// # use glycin_utils::operations::{Operation, Operations}; /// # use gufo_common::orientation::{Orientation, Rotation}; /// let mut ops = Operations::new(vec![Operation::MirrorVertically]); /// ops.prepend(Operations::new_orientation(Orientation::Rotation90)); /// /// assert_eq!( /// ops.operations(), /// &[ /// Operation::Rotate(Rotation::_90), /// Operation::MirrorVertically /// ] /// ); /// ``` pub fn prepend(&mut self, mut operations: Operations) { std::mem::swap(self, &mut operations); self.operations.append(&mut operations.operations); } pub fn from_read(reader: impl Read) -> Result { rmp_serde::decode::from_read(reader) } pub fn from_slice(slice: impl AsRef<[u8]>) -> Result { rmp_serde::decode::from_slice(slice.as_ref()) } pub fn to_message_pack(&self) -> Result, rmp_serde::encode::Error> { let mut buf = Vec::new(); self.serialize(&mut rmp_serde::Serializer::new(&mut buf).with_human_readable())?; Ok(buf) } pub fn operations(&self) -> &[Operation] { &self.operations } pub fn operation_ids(&self) -> Vec { self.operations.iter().map(|x| x.id()).collect() } /// Returns information about all operations that were unknown when /// deserializing pub fn unknown_operations(&self) -> &[String] { &self.unknown_operations } /// Returns an [`Orientation`] if all operations can be reduced to that /// /// ``` /// # use glycin_utils::operations::{Operations, Operation}; /// # use gufo_common::orientation::{Rotation, Orientation}; /// assert_eq!( /// Operations::new(vec![ /// Operation::Rotate(Rotation::_180), /// Operation::Rotate(Rotation::_270) /// ]) /// .orientation(), /// Some(Orientation::Rotation90) /// ); /// /// assert_eq!( /// Operations::new(vec![ /// Operation::Rotate(Rotation::_90), /// Operation::MirrorHorizontally /// ]) /// .orientation(), /// Some(Orientation::MirroredRotation270) /// ); /// /// assert_eq!( /// Operations::new(vec![ /// Operation::MirrorHorizontally, /// Operation::MirrorVertically, /// Operation::Rotate(Rotation::_270), /// Operation::MirrorHorizontally, /// ]) /// .orientation(), /// Some(Orientation::MirroredRotation270) /// ); /// ``` pub fn orientation(&self) -> Option { let mut orientation = Orientation::Id; for operation in &self.operations { match operation { Operation::MirrorHorizontally => { orientation = orientation.add_mirror_horizontally(); } Operation::MirrorVertically => { orientation = orientation.add_mirror_vertically(); } Operation::Rotate(rotation) => { orientation = orientation.add_rotation(*rotation); } _ => return None, } } Some(orientation) } } impl From for Operations { fn from(operations: OperationsIntermediate) -> Operations { Operations { operations: operations .operations .iter() .filter_map(|x| x.operation().cloned()) .collect(), unknown_operations: operations .operations .iter() .filter_map(|x| x.unknown()) .collect(), } } } /// Decoding format that allows to decode without failing for unknown operations #[derive(Debug, PartialEq, Deserialize)] struct OperationsIntermediate { operations: Vec, } #[derive(Debug, PartialEq)] enum MaybeOperation { Operation(Operation), Unknown(String), } impl MaybeOperation { fn operation(&self) -> Option<&Operation> { match self { Self::Operation(operation) => Some(operation), Self::Unknown(_) => None, } } fn unknown(&self) -> Option { match self { Self::Operation(_) => None, Self::Unknown(s) => Some(s.to_string()), } } } impl<'de> Deserialize<'de> for MaybeOperation { fn deserialize(deserializer: D) -> Result where D: Deserializer<'de>, { match serde::Deserialize::deserialize(deserializer) { Ok(val) => Ok(Self::Operation(val)), Err(err) => Ok(Self::Unknown(err.to_string())), } } } impl Operation { pub fn id(&self) -> OperationId { match self { Self::Clip(_) => OperationId::Clip, Self::MirrorHorizontally => OperationId::MirrorHorizontally, Self::MirrorVertically => OperationId::MirrorVertically, Self::Rotate(_) => OperationId::Rotate, } } } impl FromStr for OperationId { type Err = value::Error; /// ``` /// # use glycin_utils::operations::OperationId; /// # use std::str::FromStr; /// let id = OperationId::from_str("Clip").unwrap(); /// assert_eq!(id, OperationId::Clip) /// ``` fn from_str(slice: &str) -> Result { Self::deserialize(slice.into_deserializer()) } } glycin-common-1.0.0/src/shared_memory.rs000064400000000000000000000030221046102023000163650ustar 00000000000000use std::ops::{Deref, DerefMut}; use std::os::fd::{AsRawFd, OwnedFd}; use crate::{BinaryData, Error}; #[derive(Debug)] pub struct SharedMemory { memfd: OwnedFd, pub mmap: memmap::MmapMut, } impl SharedMemory { pub fn new(size: u64) -> Result { let memfd = nix::sys::memfd::memfd_create( c"glycin-frame", nix::sys::memfd::MFdFlags::MFD_CLOEXEC | nix::sys::memfd::MFdFlags::MFD_ALLOW_SEALING, ) .expect("Failed to create memfd"); nix::unistd::ftruncate(&memfd, size.try_into().expect("Required memory too large")) .expect("Failed to set memfd size"); let raw_fd = memfd.as_raw_fd(); let mmap = unsafe { memmap::MmapMut::map_mut(raw_fd) }?; Ok(Self { mmap, memfd }) } pub fn into_binary_data(self) -> BinaryData { BinaryData::from(self.memfd) } } impl SharedMemory { fn from_data(value: impl AsRef<[u8]>) -> Result { let mut shared_memory = SharedMemory::new(u64::try_from(value.as_ref().len())?)?; shared_memory.copy_from_slice(value.as_ref()); Ok(shared_memory) } } impl BinaryData { pub fn from_data(value: impl AsRef<[u8]>) -> Result { Ok(SharedMemory::from_data(value)?.into_binary_data()) } } impl Deref for SharedMemory { type Target = [u8]; fn deref(&self) -> &[u8] { self.mmap.deref() } } impl DerefMut for SharedMemory { fn deref_mut(&mut self) -> &mut [u8] { self.mmap.deref_mut() } }