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CHANGELOG.md

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Changelog

All notable changes to NetVips will be documented in this file. See here for the changes to the pre-compiled binaries of libvips.

The format is based on Keep a Changelog and this project adheres to Semantic Versioning.

3.0.0 - 2024-10-29

Added

  • Add support for a single shared libvips binary on Windows (#211).
  • Add ReadOnlySpan<T> / ReadOnlyMemory<T> overloads (#225).

Changed

  • Update methods/enums for libvips 8.16.

Removed

2.4.2 - 2024-10-13

Fixed

  • Fix incorrect progress reporting on Linux (#237).
  • Fix image.AddAlpha() with libvips 8.16.

2.4.1 - 2024-03-24

Fixed

  • Avoid key collision during shared VOption merge (#228).

2.4.0 - 2023-11-12

Changed

  • Update methods/enums for libvips 8.15.

Fixed

  • Ensure correct calling convention for unmanaged-to-managed callbacks.

2.3.1 - 2023-06-29

Fixed

  • Ensure Image.FindLoad() works on UTF-8 strings (#210).

2.3.0 - 2023-03-24

Added

  • Add IntPtr-based overload for Image.NewFromMemory() (#177).
  • Add image.Invalidate() to drop caches on an image, and any downstream images.
  • Add NetVips.Shutdown() to finalize the internal leak checker and profiler.

Changed

Fixed

  • Ensure compatibility with FreeBSD and variants.
  • Ensure code is AOT-friendly (#196).

2.2.0 - 2022-07-25

Added

  • Add NetVips.BlockUntrusted() and Operation.Block() for blocking operations at runtime.
  • Add image.SignalHandlersDisconnectByFunc() and image.SignalHandlersDisconnectByData() for disconnecting signal handlers that match.
  • Implement image.OnPostClose remove event accessor.

Changed

  • Update methods/enums for libvips 8.13.
  • Avoid throwing general exceptions.
  • Ensure debug and unit tests functions are internal.

Fixed

  • Use the correct type for signal handler IDs.

Removed

  • Remove internal VipsSaveable enum.

2.1.0 - 2021-12-02

Added

  • Add image.SignalHandlerDisconnect() for disconnecting a signal handler.

Changed

  • Update methods/enums for libvips 8.12.
  • Drop internal ModuleInit.Fody dependency in favor of the [ModuleInitializer] attribute.
  • image.WriteToBuffer() tries to use the new target API first.
  • Bump minimum required .NET Framework version to v4.5.2.
  • The NetVips.Extensions package is now attributed as a Windows-specific library when targeting .NET 6.0 or higher. See https://aka.ms/systemdrawingnonwindows for more information.

Fixed

  • Ensure recorded delegates are not released too early (#141).

2.0.1 - 2021-06-23

Changed

  • Update methods/enums for libvips 8.11.
  • Avoid using Span<T> throughout the codebase (#131).

Fixed

  • Ensure strings are null-terminated (#131).

2.0.0 - 2021-03-30

Added

  • Expose "speed" parameter in heifsave to control the CPU effort spent on improving compression (applies to AV1 compression only, see libvips/libvips#1819).
  • Add missing ForeignPngFilter enum (#106).
  • Add missing image.AddAlpha() operation (#116).
  • Add image.Mutate() function for creating an MutableImage (#119).

Changed

  • Move cache/statistics helpers to dedicated classes (#98).
  • Use enumerations where possible (#112).
  • Methods which modify the image, such as setting or removing metadata requires an MutableImage (see image.Mutate()).

Fixed

  • Ensure images are disposed early throughout the codebase (#114).

1.2.4 - 2020-07-13

Changed

  • Update methods/enums for libvips 8.10.

1.2.3 - 2020-06-21

Added

  • Add support for a single shared libvips binary on Linux and macOS (#83).

1.2.2 - 2020-06-16

Changed

  • Free the associated streams within Image.*loadStream() and image.*saveStream() earlier (#78).
  • Speed-up UTF8 string marshalling by using System.Buffers.ArrayPool.

Fixed

  • Fix the buffer-based fallback mechanism for Image.NewFromStream() and Image.NewFromSource() on Windows 32-bit.

1.2.1 - 2020-03-16

Changed

  • Update enums.

Fixed

  • Fix a bug that freed the stream within Image.NewFromStream() too early (#58).

1.2.0 - 2020-01-30

Added

  • Add support for true streaming (#33).
  • A new NetVips.Extensions package containing useful helpers (#41).
  • Add Image.Switch(), image.Case() and image.NewFromMemoryCopy() operations.
  • Add support for the short-circuit operators (&& and ||).
  • Add Enums.Signals and Image.EvalDelegate that can be used with image.SignalConnect().
  • Add image.RefCount() to get the reference count of an image.
  • Add NetVips.GetOperations() to get a list of operations available within the libvips library.
  • Add VipsProgress struct to the public API.
  • Add image.WriteToMemory(out ulong) to write the image to an unformatted C-style array.
    • This is a low-level operation, make sure you free the returned memory with NetVips.Free().

Changed

  • The image.SetType() function has been renamed to image.Set().
  • The Image.Sum() function uses the params keyword.
  • Speed-up Operation.Call().
  • Free the VipsOperation pointers within Operation.Call() earlier (#53).
  • Unset the GValue within VipsObject.Set() and VipsObject.Get() earlier.
  • The internal function Operation.GenerateImageClass() has moved to the samples directory.

1.1.0 - 2019-07-29

Added

  • A new NetVips.Native package containing the pre-compiled libvips binaries for Linux, macOS and Windows (#21).
  • Add NetVips.GetSuffixes() to get a list of all the filename suffixes supported by libvips (libvips/ruby-vips#186).
  • Add support for progress feedback (image.SetProgress()) and signal handling (image.SignalConnect()) (#31).
  • Add image.SetKill() and image.IsKilled() (#31, libvips/libvips@91d0e7e).
  • Add NetVips.ProfileSet(), NetVips.VectorSet(), NetVips.ConcurrencySet() and NetVips.ConcurrencyGet() utilities.
  • Add support for loading and saving from and to streams (Image.NewFromStream() and image.WriteToStream()) (#33).
  • Add Region class to read pixels from images without storing the entire image in memory.
  • Add image[x, y] overload as a synonym for image.Getpoint(x, y).
  • Add missing arithmetic operators (1 - image, 1 / image, etc.).
  • Add support for identifying image formats (Image.FindLoad(), Image.FindLoadBuffer() and Image.FindLoadStream()) (#37).
  • Add image.PageHeight property for retrieving the page height for multi-page images.

Changed

  • Improve memory management (#26).
  • The bundled libvips Windows binaries were moved to the NetVips.Native package.
  • Update and improve the NetVips.Benchmarks (#34).
  • The overloadable operators == and != have been changed to Equal and NotEqual to avoid conflicts with null checks.
  • Some methods are overloaded instead of defining the parameters as object type.
  • The base class was renamed from Base to NetVips to comply with the C# code conventions.
  • The Operation.VipsCacheSet*() utilities has been moved to NetVips.CacheSet*().
  • Speed-up Operation.Call() by avoiding unnecessary loops.
  • Remove usage of LINQ in several critical paths.
  • The composite x and y positions were changed into an array (#39).

Removed

  • The UseGlobalLibvips property since the bundled libvips binaries were moved to the NetVips.Native package.

1.0.7 - 2019-01-18

Changed

  • Update bundled libvips x86/x64 binary to 8.7.4.
  • Speed-up Base.Version() by caching the libvips version as soon as the assembly is loaded.

1.0.6 - 2019-01-10

Added

  • The LibvipsOutputBase property to specify the subdirectory (within your project's output directory) where the libvips binaries are copied to (#20).

Changed

  • Update bundled libvips x86/x64 binary to 8.7.3.
  • No exceptions will be thrown by the ModuleInitializer (used to initialize libvips once the assembly is loaded) (#15, #20).

Removed

  • The redundant LibvipsDLLPath property.

1.0.5 - 2018-09-25

Added

  • Bundle pre-compiled libvips binary and its dependencies for 32-bit Windows.

Changed

  • Update bundled libvips binary to 8.7.0.

Fixed

1.0.4 - 2018-06-28

Added

  • Add image.Contains() helper (to check if the image contains an property of metadata).
  • Support 32-bit architecture (#7).

Changed

  • Update bundled libvips binary to 8.6.4.

Fixed

  • Fix a bug that freed a string pointer too early (#9).

1.0.3 - 2018-06-06

Added

  • Bundle pre-compiled libvips binary and its dependencies for 64-bit Windows (#3).

Changed

  • Target .NET Standard 2.0 instead of .NET Core 2.0 (#4).
  • Lower the minimum required .NET Framework version to 4.5 (#4).

1.0.2 - 2018-04-23

Added

  • Add missing libvips 8.7 methods.
  • Add logging handler to log warnings and debug messages from libvips.

Fixed

  • Fix a bug that tried to reference an empty pointer.
  • Fix a bug that causes libvips arguments to be set incorrectly.
  • Fix up memory errors and leaks.
  • Prevent the GC from unsetting the gvalue and disposing a delegate prematurely.

1.0.1 - 2018-04-10

Fixed

  • Fix reference count bug.

1.0.0 - 2018-04-08

Added

  • First release!