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Add BlurHashSharp.ImageSharp project and throw on invalid component c…
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| using System; | ||
| using System.IO; | ||
| using System.Runtime.InteropServices; | ||
| using SixLabors.ImageSharp; | ||
| using SixLabors.ImageSharp.Formats; | ||
| using SixLabors.ImageSharp.PixelFormats; | ||
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| namespace BlurHashSharp.ImageSharp; | ||
|
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| /// <summary> | ||
| /// The BlurHash encoder for use with the SkiaSharp image library. | ||
| /// </summary> | ||
| public static class BlurHashEncoder | ||
| { | ||
| private static readonly Lazy<Configuration> Lazy = new(() => | ||
| { | ||
| var config = Configuration.Default.Clone(); | ||
| config.PreferContiguousImageBuffers = true; | ||
| return config; | ||
| }); | ||
|
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| private static Configuration Configuration => Lazy.Value; | ||
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| private static DecoderOptions DecoderOptions => | ||
| new DecoderOptions() | ||
| { | ||
| Configuration = Configuration | ||
| }; | ||
|
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| /// <summary> | ||
| /// Encodes the BlurHash representation of the image. | ||
| /// </summary> | ||
| /// <param name="xComponent">The number x components.</param> | ||
| /// <param name="yComponent">The number y components.</param> | ||
| /// <param name="filename">The path to an encoded image on the file system.</param> | ||
| /// <returns>BlurHash representation of the image.</returns> | ||
| public static string Encode(int xComponent, int yComponent, string filename) | ||
| { | ||
| using var image = Image.Load<Rgb24>(DecoderOptions, filename); | ||
| return EncodeInternal(xComponent, yComponent, image); | ||
| } | ||
|
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| /// <summary> | ||
| /// Encodes the BlurHash representation of the image. | ||
| /// </summary> | ||
| /// <param name="xComponent">The number x components.</param> | ||
| /// <param name="yComponent">The number y components.</param> | ||
| /// <param name="stream">The IO stream of an encoded image.</param> | ||
| /// <returns>BlurHash representation of the image.</returns> | ||
| public static string Encode(int xComponent, int yComponent, Stream stream) | ||
| { | ||
| using var image = Image.Load<Rgb24>(DecoderOptions, stream); | ||
| return EncodeInternal(xComponent, yComponent, image); | ||
| } | ||
|
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| private static string EncodeInternal(int xComponent, int yComponent, Image<Rgb24> image) | ||
| { | ||
| var bytesPerRow = image.Width * (image.PixelType.BitsPerPixel / 8); | ||
| Span<byte> buffer; | ||
| if (image.DangerousTryGetSinglePixelMemory(out Memory<Rgb24> memory)) | ||
| { | ||
| buffer = MemoryMarshal.AsBytes(memory.Span); | ||
| } | ||
| else | ||
| { | ||
| buffer = new byte[image.Height * bytesPerRow]; | ||
| image.CopyPixelDataTo(buffer); | ||
| } | ||
|
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| return CoreBlurHashEncoder.Encode(xComponent, yComponent, image.Width, image.Height, buffer, bytesPerRow, PixelFormat.RGB888); | ||
| } | ||
| } |
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src/BlurHashSharp.ImageSharp/BlurHashSharp.ImageSharp.csproj
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| @@ -0,0 +1,32 @@ | ||
| <Project Sdk="Microsoft.NET.Sdk"> | ||
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| <PropertyGroup> | ||
| <TargetFrameworks>net6.0</TargetFrameworks> | ||
| <GenerateDocumentationFile>true</GenerateDocumentationFile> | ||
| <Nullable>enable</Nullable> | ||
| <TreatWarningsAsErrors>true</TreatWarningsAsErrors> | ||
| </PropertyGroup> | ||
|
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| <PropertyGroup> | ||
| <Authors>Bond_009</Authors> | ||
| <Version>1.3.3</Version> | ||
| <PackageTags>BlurHash;image;bitmap;imagesharp</PackageTags> | ||
| <Description>BlurHash encoder for use with the ImageSharp image library.</Description> | ||
| <PackageLicenseExpression>MIT</PackageLicenseExpression> | ||
| <RepositoryUrl>https://github.com/Bond-009/BlurHashSharp</RepositoryUrl> | ||
| <PackageReadmeFile>README.md</PackageReadmeFile> | ||
| </PropertyGroup> | ||
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| <ItemGroup> | ||
| <None Include="../../README.md" Pack="true" PackagePath="/"/> | ||
| </ItemGroup> | ||
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| <ItemGroup> | ||
| <PackageReference Include="SixLabors.ImageSharp" Version="3.1.5" /> | ||
| </ItemGroup> | ||
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| <ItemGroup> | ||
| <ProjectReference Include="../BlurHashSharp/BlurHashSharp.csproj" /> | ||
| </ItemGroup> | ||
|
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| </Project> |
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