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Added shared library for test application: Svg.Tests.Common (#1136)
- Refactored the shared test codes - Removed Svg.Benchmark dependency on Svg.UnitTests
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,123 @@ | ||
| using System; | ||
| using System.Drawing.Imaging; | ||
| using System.Drawing; | ||
| using System.Drawing.Drawing2D; | ||
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| namespace Svg.Tests.Common | ||
| { | ||
| /// <summary> | ||
| /// Taken from https://web.archive.org/web/20130111215043/http://www.switchonthecode.com/tutorials/csharp-tutorial-convert-a-color-image-to-grayscale | ||
| /// and slightly modified. | ||
| /// Image width and height, default threshold and handling of alpha values have been adapted. | ||
| /// </summary> | ||
| public static class ExtensionMethods | ||
| { | ||
| private static readonly int ImageWidth = 64; | ||
| private static readonly int ImageHeight = 64; | ||
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| public static float PercentageDifference(this Image img1, Image img2, byte threshold = 10) | ||
| { | ||
| byte[,] differences = img1.GetDifferences(img2); | ||
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| int diffPixels = 0; | ||
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| foreach (byte b in differences) | ||
| { | ||
| if (b > threshold) { diffPixels++; } | ||
| } | ||
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| return diffPixels / (float)(differences.GetLength(0) * differences.GetLength(1)); | ||
| } | ||
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| public static Bitmap Resize(this Image originalImage, int newWidth, int newHeight) | ||
| { | ||
| if (originalImage.Width > originalImage.Height) | ||
| newWidth = originalImage.Width * newHeight / originalImage.Height; | ||
| else | ||
| newHeight = originalImage.Height * newWidth / originalImage.Width; | ||
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| var smallVersion = new Bitmap(newWidth, newHeight); | ||
| using (var g = Graphics.FromImage(smallVersion)) | ||
| { | ||
| g.SmoothingMode = SmoothingMode.HighQuality; | ||
| g.InterpolationMode = InterpolationMode.HighQualityBicubic; | ||
| g.PixelOffsetMode = PixelOffsetMode.HighQuality; | ||
| g.DrawImage(originalImage, 0, 0, smallVersion.Width, smallVersion.Height); | ||
| } | ||
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| return smallVersion; | ||
| } | ||
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| public static byte[,] GetGrayScaleValues(this Bitmap img) | ||
| { | ||
| byte[,] grayScale = new byte[img.Width, img.Height]; | ||
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| for (int y = 0; y < grayScale.GetLength(1); y++) | ||
| { | ||
| for (int x = 0; x < grayScale.GetLength(0); x++) | ||
| { | ||
| var alpha = img.GetPixel(x, y).A; | ||
| var gray = img.GetPixel(x, y).R; | ||
| grayScale[x, y] = (byte)Math.Abs(gray * alpha / 255); | ||
| } | ||
| } | ||
| return grayScale; | ||
| } | ||
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| // the colormatrix needed to grayscale an image | ||
| static readonly ColorMatrix ColorMatrix = new ColorMatrix(new float[][] | ||
| { | ||
| new float[] {.3f, .3f, .3f, 0, 0}, | ||
| new float[] {.59f, .59f, .59f, 0, 0}, | ||
| new float[] {.11f, .11f, .11f, 0, 0}, | ||
| new float[] {0, 0, 0, 1, 0}, | ||
| new float[] {0, 0, 0, 0, 1} | ||
| }); | ||
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| public static Bitmap GetGrayScaleVersion(this Bitmap original) | ||
| { | ||
| // create a blank bitmap the same size as original | ||
| // https://web.archive.org/web/20130111215043/http://www.switchonthecode.com/tutorials/csharp-tutorial-convert-a-color-image-to-grayscale | ||
| var newBitmap = new Bitmap(original.Width, original.Height); | ||
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| // get a graphics object from the new image | ||
| using (var g = Graphics.FromImage(newBitmap)) | ||
| // create some image attributes | ||
| using (var attributes = new ImageAttributes()) | ||
| { | ||
| // set the color matrix attribute | ||
| attributes.SetColorMatrix(ColorMatrix); | ||
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| // draw the original image on the new image | ||
| // using the grayscale color matrix | ||
| g.DrawImage(original, new Rectangle(0, 0, original.Width, original.Height), | ||
| 0, 0, original.Width, original.Height, GraphicsUnit.Pixel, attributes); | ||
| } | ||
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| return newBitmap; | ||
| } | ||
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| public static byte[,] GetDifferences(this Image img1, Image img2) | ||
| { | ||
| using (var resizedThisOne = img1.Resize(ImageWidth, ImageHeight)) | ||
| using (var thisOne = resizedThisOne.GetGrayScaleVersion()) | ||
| using (var resizedTheOtherOne = img2.Resize(ImageWidth, ImageHeight)) | ||
| using (var theOtherOne = resizedTheOtherOne.GetGrayScaleVersion()) | ||
| { | ||
| byte[,] differences = new byte[thisOne.Width, thisOne.Height]; | ||
| byte[,] firstGray = thisOne.GetGrayScaleValues(); | ||
| byte[,] secondGray = theOtherOne.GetGrayScaleValues(); | ||
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| for (int y = 0; y < differences.GetLength(1); y++) | ||
| { | ||
| for (int x = 0; x < differences.GetLength(0); x++) | ||
| { | ||
| differences[x, y] = (byte)Math.Abs(firstGray[x, y] - secondGray[x, y]); | ||
| } | ||
| } | ||
| return differences; | ||
| } | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,49 @@ | ||
| using System.Reflection; | ||
| using System.Runtime.InteropServices; | ||
| using System.Runtime.CompilerServices; | ||
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| // General Information about an assembly is controlled through the following | ||
| // set of attributes. Change these attribute values to modify the information | ||
| // associated with an assembly. | ||
| [assembly: AssemblyTitle("Svg.Tests.Common")] | ||
| [assembly: AssemblyDescription("")] | ||
| [assembly: AssemblyConfiguration("")] | ||
| [assembly: AssemblyCompany("")] | ||
| [assembly: AssemblyProduct("Svg.Tests.Common")] | ||
| [assembly: AssemblyCopyright("Copyright © 2024")] | ||
| [assembly: AssemblyTrademark("")] | ||
| [assembly: AssemblyCulture("")] | ||
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| // Setting ComVisible to false makes the types in this assembly not visible | ||
| // to COM components. If you need to access a type in this assembly from | ||
| // COM, set the ComVisible attribute to true on that type. | ||
| [assembly: ComVisible(false)] | ||
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| // The following GUID is for the ID of the typelib if this project is exposed to COM | ||
| [assembly: Guid("6ab1d266-f201-46c0-9d14-523768eb18db")] | ||
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| // Version information for an assembly consists of the following four values: | ||
| // | ||
| // Major Version | ||
| // Minor Version | ||
| // Build Number | ||
| // Revision | ||
| // | ||
| // You can specify all the values or you can default the Build and Revision Numbers | ||
| // by using the '*' as shown below: | ||
| [assembly: AssemblyVersion("1.0.0.0")] | ||
| [assembly: AssemblyFileVersion("1.0.0.0")] | ||
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| [assembly: InternalsVisibleTo("Svg.Benchmark,PublicKey=" + | ||
| "00240000048000009400000006020000002400005253413100040000010001008d4e723a8c76be" + | ||
| "e667607d1fca2c0f0cdcc1c1b926ae46669128282ecad43e6d0776497cd8289dca11e4479773d5" + | ||
| "45fc4c557686de548aadbb8652fa550e21d4c402885fec4c1deebfa79e861adb966fc8f4e78235" + | ||
| "79a535280ddd3a0168cb4d19522c7591b6693377058675da70e50c7bd6fdceae055cef085f02a0" + | ||
| "5a7f0cb4")] | ||
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| [assembly: InternalsVisibleTo("Svg.UnitTests,PublicKey=" + | ||
| "00240000048000009400000006020000002400005253413100040000010001008d4e723a8c76be" + | ||
| "e667607d1fca2c0f0cdcc1c1b926ae46669128282ecad43e6d0776497cd8289dca11e4479773d5" + | ||
| "45fc4c557686de548aadbb8652fa550e21d4c402885fec4c1deebfa79e861adb966fc8f4e78235" + | ||
| "79a535280ddd3a0168cb4d19522c7591b6693377058675da70e50c7bd6fdceae055cef085f02a0" + | ||
| "5a7f0cb4")] |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| <Project Sdk="Microsoft.NET.Sdk"> | ||
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| <PropertyGroup> | ||
| <TargetFrameworks>net6.0;netcoreapp3.1;net462</TargetFrameworks> | ||
| <SignAssembly>False</SignAssembly> | ||
| <DelaySign>False</DelaySign> | ||
| <IsPackable>False</IsPackable> | ||
| <SignAssembly>True</SignAssembly> | ||
| <AssemblyOriginatorKeyFile>svgkey.snk</AssemblyOriginatorKeyFile> | ||
| <GenerateAssemblyInfo>false</GenerateAssemblyInfo> | ||
| </PropertyGroup> | ||
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| <ItemGroup Condition=" '$(TargetFramework)' == 'net462'"> | ||
| <Reference Include="System.Net.Http" /> | ||
| <Reference Include="System.IO.Compression" /> | ||
| </ItemGroup> | ||
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| <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp3.1'"> | ||
| <PackageReference Include="System.Drawing.Common" Version="5.0.3" /> | ||
| </ItemGroup> | ||
|
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| <ItemGroup Condition="'$(TargetFramework)' == 'net6.0'"> | ||
| <PackageReference Include="System.Drawing.Common" Version="5.0.3" /> | ||
| </ItemGroup> | ||
|
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| <ItemGroup Condition="'$(TargetFramework)' == 'net8.0'"> | ||
| <PackageReference Include="System.Drawing.Common" Version="5.0.3" /> | ||
| </ItemGroup> | ||
|
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| <ItemGroup> | ||
| <ProjectReference Include="..\..\Source\Svg.csproj" /> | ||
| <PackageReference Include="Fizzler" Version="1.3.0" /> | ||
| </ItemGroup> | ||
|
|
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| </Project> |
6 changes: 2 additions & 4 deletions
6
Tests/Svg.UnitTests/TestsUtils.cs → Tests/Svg.Tests.Common/TestsUtils.cs
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