Codeuctivity.SkiaSharpCompare
0.0.37-prerelease
Prefix Reserved
See the version list below for details.
dotnet add package Codeuctivity.SkiaSharpCompare --version 0.0.37-prerelease
NuGet\Install-Package Codeuctivity.SkiaSharpCompare -Version 0.0.37-prerelease
<PackageReference Include="Codeuctivity.SkiaSharpCompare" Version="0.0.37-prerelease" />
paket add Codeuctivity.SkiaSharpCompare --version 0.0.37-prerelease
#r "nuget: Codeuctivity.SkiaSharpCompare, 0.0.37-prerelease"
// Install Codeuctivity.SkiaSharpCompare as a Cake Addin #addin nuget:?package=Codeuctivity.SkiaSharpCompare&version=0.0.37-prerelease&prerelease // Install Codeuctivity.SkiaSharpCompare as a Cake Tool #tool nuget:?package=Codeuctivity.SkiaSharpCompare&version=0.0.37-prerelease&prerelease
SkiaSharpCompare
Compares images
Inspired by the image compare feature "Visual verification API" of TestApi this code supports comparing images by using a tolerance mask image. That tolerance mask image is a valid image by itself and can be manipulated.
SkiaSharpCompare focus on os agnostic support and therefore depends on SkiaSharp.
NOTE: The Alpha-channel is ignored.
Example simple show cases
Compares each RGB value of each pixel to determine the equality
bool isEqual = Compare.ImagesAreEqual("actual.png", "expected.png");
Calculates diff
var calcDiff = Compare.CalcDiff("2x2PixelBlack.png", "2x2PixelWhite.png");
Console.WriteLine($"PixelErrorCount: {diff.PixelErrorCount}");
Console.WriteLine($"PixelErrorPercentage: {diff.PixelErrorPercentage}");
Console.WriteLine($"AbsoluteError: {diff.AbsoluteError}");
Console.WriteLine($"MeanError: {diff.MeanError}");
// PixelErrorCount: 4
// PixelErrorPercentage: 100
// AbsoluteError: 3060
// MeanError: 765
Example show case allowing some tolerated diff
Imagine two images you want to compare, and want to accept the found difference as at state of allowed difference.
Reference Image
Actual Image
Tolerance mask image
Using CalcDiffMaskImage you can calc a diff mask from actual and reference image
Example - Create difference image
using (var fileStreamDifferenceMask = File.Create("differenceMask.png"))
using (var maskImage = SkiaSharpCompare.CalcDiffMaskImage(pathPic1, pathPic2))
var encodedData = maskImage.Encode(SKEncodedImageFormat.Png, 100);
encodedData.SaveTo(fileStreamDifferenceMask);
Example - Compare two images using the created difference image. Add white pixels to differenceMask.png where you want to allow difference.
var maskedDiff = SkiaSharpCompare.CalcDiff(pathPic1, pathPic2, "differenceMask.png");
Assert.That(maskedDiff.AbsoluteError, Is.EqualTo(0));
Product | Versions Compatible and additional computed target framework versions. |
---|---|
.NET | net5.0 was computed. net5.0-windows was computed. net6.0 is compatible. net6.0-android was computed. net6.0-ios was computed. net6.0-maccatalyst was computed. net6.0-macos was computed. net6.0-tvos was computed. net6.0-windows was computed. net7.0 was computed. net7.0-android was computed. net7.0-ios was computed. net7.0-maccatalyst was computed. net7.0-macos was computed. net7.0-tvos was computed. net7.0-windows was computed. net8.0 was computed. net8.0-android was computed. net8.0-browser was computed. net8.0-ios was computed. net8.0-maccatalyst was computed. net8.0-macos was computed. net8.0-tvos was computed. net8.0-windows was computed. |
.NET Core | netcoreapp2.0 was computed. netcoreapp2.1 was computed. netcoreapp2.2 was computed. netcoreapp3.0 was computed. netcoreapp3.1 was computed. |
.NET Standard | netstandard2.0 is compatible. netstandard2.1 was computed. |
.NET Framework | net461 was computed. net462 was computed. net463 was computed. net47 was computed. net471 was computed. net472 was computed. net48 was computed. net481 was computed. |
MonoAndroid | monoandroid was computed. |
MonoMac | monomac was computed. |
MonoTouch | monotouch was computed. |
Tizen | tizen40 was computed. tizen60 was computed. |
Xamarin.iOS | xamarinios was computed. |
Xamarin.Mac | xamarinmac was computed. |
Xamarin.TVOS | xamarintvos was computed. |
Xamarin.WatchOS | xamarinwatchos was computed. |
-
.NETStandard 2.0
- SkiaSharp (>= 2.88.3)
- SkiaSharp.NativeAssets.Linux.NoDependencies (>= 2.88.3)
-
net6.0
- SkiaSharp (>= 2.88.3)
- SkiaSharp.NativeAssets.Linux.NoDependencies (>= 2.88.3)
NuGet packages
This package is not used by any NuGet packages.
GitHub repositories
This package is not used by any popular GitHub repositories.
Version | Downloads | Last updated |
---|---|---|
2.0.144 | 237 | 11/12/2024 |
2.0.126 | 9,152 | 4/22/2024 |
2.0.114 | 2,752 | 1/27/2024 |
2.0.109 | 98 | 1/27/2024 |
2.0.93 | 235 | 11/17/2023 |
1.0.82 | 422 | 9/24/2023 |
1.0.59 | 176 | 8/26/2023 |
1.0.43 | 204 | 7/15/2023 |
0.0.37-prerelease | 165 | 5/17/2023 |
0.0.2-prerelease | 193 | 9/30/2022 |
Implemented an enhancement by adding overloads to methods, enabling the comparison of images with varying dimensions.