mirror of https://github.com/SixLabors/ImageSharp
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Former-commit-id: 7240b4fba080dba719b8add3eebba027dd8c350d Former-commit-id: 3129efd3d7f565fffd52e4ce970ad739e58cd636 Former-commit-id: dbaca5b79a4e4d023ee9d508a19a4e83f0f71aadaf/merge-core
James South
11 years ago
22 changed files with 822 additions and 165 deletions
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<?xml version="1.0" encoding="utf-8"?> |
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<configuration> |
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<solution> |
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</PropertyGroup> |
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<ItemGroup Condition=" '$(PackageSources)' == '' "> |
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<PackageSource Include="https://www.nuget.org/api/v2/" /> |
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<PackageSource Include="https://my-nuget-source/nuget/" /> |
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--> |
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</ItemGroup> |
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<PropertyGroup Condition=" '$(OS)' == 'Windows_NT'"> |
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<!-- Windows specific commands --> |
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<NuGetToolsPath>$([System.IO.Path]::Combine($(SolutionDir), ".nuget"))</NuGetToolsPath> |
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</PropertyGroup> |
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<PropertyGroup Condition=" '$(OS)' != 'Windows_NT'"> |
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<!-- We need to launch nuget.exe with the mono command if we're not on windows --> |
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<NuGetToolsPath>$(SolutionDir).nuget</NuGetToolsPath> |
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</PropertyGroup> |
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<PropertyGroup> |
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<PackagesProjectConfig Condition=" '$(OS)' == 'Windows_NT'">$(MSBuildProjectDirectory)\packages.$(MSBuildProjectName.Replace(' ', '_')).config</PackagesProjectConfig> |
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<PackagesProjectConfig Condition=" '$(OS)' != 'Windows_NT'">$(MSBuildProjectDirectory)\packages.$(MSBuildProjectName).config</PackagesProjectConfig> |
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</PropertyGroup> |
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<PropertyGroup> |
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<PackagesConfig Condition="Exists('$(MSBuildProjectDirectory)\packages.config')">$(MSBuildProjectDirectory)\packages.config</PackagesConfig> |
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</PropertyGroup> |
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<PropertyGroup> |
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<NuGetExePath Condition=" '$(NuGetExePath)' == '' ">$(NuGetToolsPath)\NuGet.exe</NuGetExePath> |
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<PackageSources Condition=" $(PackageSources) == '' ">@(PackageSource)</PackageSources> |
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<NuGetCommand Condition=" '$(OS)' == 'Windows_NT'">"$(NuGetExePath)"</NuGetCommand> |
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<NuGetCommand Condition=" '$(OS)' != 'Windows_NT' ">mono --runtime=v4.0.30319 "$(NuGetExePath)"</NuGetCommand> |
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<PackageOutputDir Condition="$(PackageOutputDir) == ''">$(TargetDir.Trim('\\'))</PackageOutputDir> |
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<RequireConsentSwitch Condition=" $(RequireRestoreConsent) == 'true' ">-RequireConsent</RequireConsentSwitch> |
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<NonInteractiveSwitch Condition=" '$(VisualStudioVersion)' != '' AND '$(OS)' == 'Windows_NT' ">-NonInteractive</NonInteractiveSwitch> |
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<PaddedSolutionDir Condition=" '$(OS)' == 'Windows_NT'">"$(SolutionDir) "</PaddedSolutionDir> |
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<PaddedSolutionDir Condition=" '$(OS)' != 'Windows_NT' ">"$(SolutionDir)"</PaddedSolutionDir> |
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<!-- Commands --> |
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<RestoreCommand>$(NuGetCommand) install "$(PackagesConfig)" -source "$(PackageSources)" $(NonInteractiveSwitch) $(RequireConsentSwitch) -solutionDir $(PaddedSolutionDir)</RestoreCommand> |
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<BuildCommand>$(NuGetCommand) pack "$(ProjectPath)" -Properties "Configuration=$(Configuration);Platform=$(Platform)" $(NonInteractiveSwitch) -OutputDirectory "$(PackageOutputDir)" -symbols</BuildCommand> |
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<!-- We need to ensure packages are restored prior to assembly resolve --> |
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<BuildDependsOn Condition="$(RestorePackages) == 'true'"> |
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RestorePackages; |
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$(BuildDependsOn); |
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</BuildDependsOn> |
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<!-- Make the build depend on restore packages --> |
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<BuildDependsOn Condition="$(BuildPackage) == 'true'"> |
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$(BuildDependsOn); |
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BuildPackage; |
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</BuildDependsOn> |
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</PropertyGroup> |
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<Target Name="CheckPrerequisites"> |
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<!-- Raise an error if we're unable to locate nuget.exe --> |
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<Error Condition="'$(DownloadNuGetExe)' != 'true' AND !Exists('$(NuGetExePath)')" Text="Unable to locate '$(NuGetExePath)'" /> |
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<!-- |
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Take advantage of MsBuild's build dependency tracking to make sure that we only ever download nuget.exe once. |
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This effectively acts as a lock that makes sure that the download operation will only happen once and all |
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parallel builds will have to wait for it to complete. |
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--> |
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<MsBuild Targets="_DownloadNuGet" Projects="$(MSBuildThisFileFullPath)" Properties="Configuration=NOT_IMPORTANT;DownloadNuGetExe=$(DownloadNuGetExe)" /> |
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</Target> |
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<Target Name="_DownloadNuGet"> |
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<DownloadNuGet OutputFilename="$(NuGetExePath)" Condition=" '$(DownloadNuGetExe)' == 'true' AND !Exists('$(NuGetExePath)')" /> |
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</Target> |
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<Target Name="RestorePackages" DependsOnTargets="CheckPrerequisites"> |
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<Exec Command="$(RestoreCommand)" |
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Condition="'$(OS)' != 'Windows_NT' And Exists('$(PackagesConfig)')" /> |
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<Exec Command="$(RestoreCommand)" |
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LogStandardErrorAsError="true" |
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Condition="'$(OS)' == 'Windows_NT' And Exists('$(PackagesConfig)')" /> |
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</Target> |
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<Target Name="BuildPackage" DependsOnTargets="CheckPrerequisites"> |
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<Exec Command="$(BuildCommand)" |
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Condition=" '$(OS)' != 'Windows_NT' " /> |
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<Exec Command="$(BuildCommand)" |
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LogStandardErrorAsError="true" |
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Condition=" '$(OS)' == 'Windows_NT' " /> |
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</Target> |
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<UsingTask TaskName="DownloadNuGet" TaskFactory="CodeTaskFactory" AssemblyFile="$(MSBuildToolsPath)\Microsoft.Build.Tasks.v4.0.dll"> |
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<ParameterGroup> |
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<OutputFilename ParameterType="System.String" Required="true" /> |
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<Task> |
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<Reference Include="System.Core" /> |
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<Using Namespace="System" /> |
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<Using Namespace="System.IO" /> |
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<Using Namespace="System.Net" /> |
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<Using Namespace="Microsoft.Build.Framework" /> |
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<Using Namespace="Microsoft.Build.Utilities" /> |
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<Code Type="Fragment" Language="cs"> |
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<![CDATA[ |
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try { |
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OutputFilename = Path.GetFullPath(OutputFilename); |
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Log.LogMessage("Downloading latest version of NuGet.exe..."); |
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WebClient webClient = new WebClient(); |
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webClient.DownloadFile("https://www.nuget.org/nuget.exe", OutputFilename); |
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return true; |
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} |
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catch (Exception ex) { |
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Log.LogErrorFromException(ex); |
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return false; |
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} |
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]]> |
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</Code> |
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</Task> |
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</UsingTask> |
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</Project> |
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// --------------------------------------------------------------------------------------------------------------------
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// <copyright file="YCbCrColor.cs" company="James South">
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// Copyright © James South and contributors.
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// Licensed under the Apache License, Version 2.0.
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// </copyright>
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// <summary>
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// Represents an YCbCr (luminance, chroma, chroma) color conforming to the
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// ITU-R BT.601 standard used in digital imaging systems.
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// <see href="http://en.wikipedia.org/wiki/YCbCr" />
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// </summary>
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// --------------------------------------------------------------------------------------------------------------------
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|
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namespace ImageProcessor |
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{ |
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using System; |
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using System.ComponentModel; |
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|
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/// <summary>
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/// Represents an YCbCr (luminance, chroma, chroma) color conforming to the
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/// ITU-R BT.601 standard used in digital imaging systems.
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/// <see href="http://en.wikipedia.org/wiki/YCbCr"/>
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/// </summary>
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public struct YCbCrColor : IEquatable<YCbCrColor> |
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{ |
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/// <summary>
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/// Represents a <see cref="YCbCrColor"/> that has Y, Cb, and Cr values set to zero.
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/// </summary>
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public static readonly YCbCrColor Empty = new YCbCrColor(); |
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/// <summary>
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/// Holds the Y luminance component.
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/// <remarks>A value ranging between 0 and 255.</remarks>
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/// </summary>
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public float Y; |
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/// <summary>
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/// Holds the Cb chroma component.
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/// <remarks>A value ranging between 0 and 255.</remarks>
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/// </summary>
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public float Cb; |
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/// <summary>
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/// Holds the Cr chroma component.
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/// <remarks>A value ranging between 0 and 255.</remarks>
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/// </summary>
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public float Cr; |
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/// <summary>
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/// The epsilon for comparing floating point numbers.
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/// </summary>
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private const float Epsilon = 0.0001f; |
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/// <summary>
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/// Initializes a new instance of the <see cref="YCbCrColor"/> struct.
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/// </summary>
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/// <param name="y">The y luminance component.</param>
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/// <param name="cb">The cb chroma component.</param>
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/// <param name="cr">The cr chroma component.</param>
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public YCbCrColor(float y, float cb, float cr) |
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{ |
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this.Y = y.Clamp(0, 255); |
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this.Cb = cb.Clamp(0, 255); |
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this.Cr = cr.Clamp(0, 255); |
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} |
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/// <summary>
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/// Gets a value indicating whether this <see cref="YCbCrColor"/> is empty.
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/// </summary>
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[EditorBrowsable(EditorBrowsableState.Never)] |
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public bool IsEmpty |
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{ |
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get |
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{ |
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return Math.Abs(this.Y) < Epsilon |
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&& Math.Abs(this.Cb) < Epsilon |
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&& Math.Abs(this.Cr) < Epsilon; |
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} |
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} |
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/// <summary>
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/// Compares two <see cref="YCbCrColor"/> objects. The result specifies whether the values
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/// of the <see cref="YCbCrColor.Y"/>, <see cref="YCbCrColor.Cb"/>, and <see cref="YCbCrColor.Cr"/>
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/// properties of the two <see cref="YCbCrColor"/> objects are equal.
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/// </summary>
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/// <param name="left">
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/// The <see cref="YCbCrColor"/> on the left side of the operand.
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/// </param>
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/// <param name="right">
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/// The <see cref="YCbCrColor"/> on the right side of the operand.
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/// </param>
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/// <returns>
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/// True if the current left is equal to the <paramref name="right"/> parameter; otherwise, false.
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/// </returns>
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public static bool operator ==(YCbCrColor left, YCbCrColor right) |
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{ |
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return left.Equals(right); |
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} |
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/// <summary>
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/// Compares two <see cref="YCbCrColor"/> objects. The result specifies whether the values
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/// of the <see cref="YCbCrColor.Y"/>, <see cref="YCbCrColor.Cb"/>, and <see cref="YCbCrColor.Cr"/>
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/// properties of the two <see cref="YCbCrColor"/> objects are unequal.
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/// </summary>
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/// <param name="left">
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/// The <see cref="YCbCrColor"/> on the left side of the operand.
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/// </param>
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/// <param name="right">
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/// The <see cref="YCbCrColor"/> on the right side of the operand.
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/// </param>
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/// <returns>
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/// True if the current left is unequal to the <paramref name="right"/> parameter; otherwise, false.
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/// </returns>
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public static bool operator !=(YCbCrColor left, YCbCrColor right) |
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{ |
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return !left.Equals(right); |
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} |
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/// <summary>
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/// Allows the implicit conversion of an instance of <see cref="Color"/> to a
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/// <see cref="YCbCrColor"/>.
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/// </summary>
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/// <param name="color">
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/// The instance of <see cref="Color"/> to convert.
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/// </param>
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/// <returns>
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/// An instance of <see cref="YCbCrColor"/>.
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/// </returns>
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public static implicit operator YCbCrColor(Color color) |
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{ |
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byte r = color.R; |
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byte g = color.G; |
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byte b = color.B; |
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float y = (float)((0.299 * r) + (0.587 * g) + (0.114 * b)); |
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float cb = 128 + (float)((-0.168736 * r) - (0.331264 * g) + (0.5 * b)); |
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float cr = 128 + (float)((0.5 * r) - (0.418688 * g) - (0.081312 * b)); |
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return new YCbCrColor(y, cb, cr); |
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} |
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/// <summary>
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/// Indicates whether this instance and a specified object are equal.
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/// </summary>
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/// <returns>
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/// true if <paramref name="obj"/> and this instance are the same type and represent the same value; otherwise, false.
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/// </returns>
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/// <param name="obj">Another object to compare to. </param>
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public override bool Equals(object obj) |
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{ |
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if (obj is YCbCrColor) |
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{ |
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YCbCrColor color = (YCbCrColor)obj; |
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return Math.Abs(this.Y - color.Y) < Epsilon |
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&& Math.Abs(this.Cb - color.Cb) < Epsilon |
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&& Math.Abs(this.Cr - color.Cr) < Epsilon; |
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} |
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return false; |
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} |
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/// <summary>
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/// Returns the hash code for this instance.
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/// </summary>
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/// <returns>
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/// A 32-bit signed integer that is the hash code for this instance.
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/// </returns>
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public override int GetHashCode() |
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{ |
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return this.GetHashCode(this); |
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} |
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|
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/// <summary>
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/// Returns the fully qualified type name of this instance.
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/// </summary>
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/// <returns>
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/// A <see cref="T:System.String"/> containing a fully qualified type name.
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/// </returns>
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public override string ToString() |
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{ |
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if (this.IsEmpty) |
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{ |
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return "YCbCrColor [Empty]"; |
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} |
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return string.Format("YCbCrColor [ Y={0:#0.##}, Cb={1:#0.##}, Cr={2:#0.##}]", this.Y, this.Cb, this.Cr); |
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} |
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/// <summary>
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/// Indicates whether the current object is equal to another object of the same type.
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/// </summary>
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/// <returns>
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/// True if the current object is equal to the <paramref name="other"/> parameter; otherwise, false.
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/// </returns>
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/// <param name="other">An object to compare with this object.</param>
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public bool Equals(YCbCrColor other) |
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{ |
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return this.Y.Equals(other.Y) |
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&& this.Cb.Equals(other.Cb) |
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&& this.Cr.Equals(other.Cr); |
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} |
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/// <summary>
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/// Returns the hash code for the given instance.
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/// </summary>
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/// <param name="color">
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/// The instance of <see cref="Color"/> to return the hash code for.
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/// </param>
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/// <returns>
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/// A 32-bit signed integer that is the hash code for this instance.
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/// </returns>
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private int GetHashCode(YCbCrColor color) |
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{ |
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unchecked |
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{ |
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int hashCode = color.Y.GetHashCode(); |
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hashCode = (hashCode * 397) ^ color.Cb.GetHashCode(); |
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hashCode = (hashCode * 397) ^ color.Cr.GetHashCode(); |
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return hashCode; |
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} |
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} |
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} |
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} |
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// --------------------------------------------------------------------------------------------------------------------
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// <copyright file="ColorConversionTests.cs" company="James South">
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// Copyright © James South and contributors.
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// Licensed under the Apache License, Version 2.0.
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// </copyright>
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// <summary>
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// Test conversion between the various color structs.
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// </summary>
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// --------------------------------------------------------------------------------------------------------------------
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namespace ImageProcessor.Tests |
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{ |
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using System.Diagnostics; |
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using System.Diagnostics.CodeAnalysis; |
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using Xunit; |
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/// <summary>
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/// Test conversion between the various color structs.
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/// </summary>
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public class ColorConversionTests |
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{ |
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/// <summary>
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/// Tests the implicit conversion from <see cref="Color"/> to <see cref="YCbCrColor"/>.
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/// </summary>
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[Fact] |
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[SuppressMessage("StyleCop.CSharp.NamingRules", "SA1305:FieldNamesMustNotUseHungarianNotation", Justification = "Reviewed. Suppression is OK here.")] |
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public void ColorToYCbCrColor() |
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{ |
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// White
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Color color = new Color(255, 255, 255, 255); |
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YCbCrColor yCbCrColor = color; |
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Assert.Equal(255, yCbCrColor.Y); |
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Assert.Equal(128, yCbCrColor.Cb); |
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Assert.Equal(128, yCbCrColor.Cr); |
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// Black
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Color color2 = new Color(0, 0, 0, 255); |
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YCbCrColor yCbCrColor2 = color2; |
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Assert.Equal(0, yCbCrColor2.Y); |
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Assert.Equal(128, yCbCrColor2.Cb); |
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Assert.Equal(128, yCbCrColor2.Cr); |
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// Grey
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Color color3 = new Color(128, 128, 128, 255); |
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YCbCrColor yCbCrColor3 = color3; |
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Assert.Equal(128, yCbCrColor3.Y); |
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Assert.Equal(128, yCbCrColor3.Cb); |
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Assert.Equal(128, yCbCrColor3.Cr); |
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} |
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/// <summary>
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/// Tests the implicit conversion from <see cref="YCbCrColor"/> to <see cref="Color"/>.
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/// </summary>
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[Fact] |
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[SuppressMessage("StyleCop.CSharp.NamingRules", "SA1305:FieldNamesMustNotUseHungarianNotation", Justification = "Reviewed. Suppression is OK here.")] |
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public void YCbCrColorToColor() |
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{ |
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// White
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YCbCrColor yCbCrColor = new YCbCrColor(255, 128, 128); |
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Color color = yCbCrColor; |
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Assert.Equal(255, color.B); |
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Assert.Equal(255, color.G); |
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Assert.Equal(255, color.R); |
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Assert.Equal(255, color.A); |
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// Black
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YCbCrColor yCbCrColor2 = new YCbCrColor(0, 128, 128); |
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Color color2 = yCbCrColor2; |
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Assert.Equal(0, color2.B); |
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Assert.Equal(0, color2.G); |
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Assert.Equal(0, color2.R); |
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Assert.Equal(255, color2.A); |
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// Grey
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YCbCrColor yCbCrColor3 = new YCbCrColor(128, 128, 128); |
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Color color3 = yCbCrColor3; |
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Assert.Equal(128, color3.B); |
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Assert.Equal(128, color3.G); |
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Assert.Equal(128, color3.R); |
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Assert.Equal(255, color3.A); |
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} |
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} |
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} |
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@ -0,0 +1,60 @@ |
|||
namespace ImageProcessor.Tests |
|||
{ |
|||
using System.Diagnostics; |
|||
using System.IO; |
|||
using System.Linq; |
|||
|
|||
using ImageProcessor.Formats; |
|||
|
|||
using Xunit; |
|||
|
|||
public class EncoderDecoderTests |
|||
{ |
|||
[Theory] |
|||
//[InlineData("TestImages/Car.bmp")]
|
|||
//[InlineData("TestImages/Portrait.png")]
|
|||
//[InlineData("TestImages/Backdrop.jpg")]
|
|||
//[InlineData("TestImages/Windmill.gif")]
|
|||
[InlineData("../../TestImages/Formats/Png/cmyk.png")] |
|||
public void DecodeThenEncodeImageFromStreamShouldSucceed(string filename) |
|||
{ |
|||
if (!Directory.Exists("Encoded")) |
|||
{ |
|||
Directory.CreateDirectory("Encoded"); |
|||
} |
|||
|
|||
FileStream stream = File.OpenRead(filename); |
|||
Stopwatch watch = Stopwatch.StartNew(); |
|||
Image image = new Image(stream); |
|||
|
|||
string encodedFilename = "Encoded/" + Path.GetFileName(filename); |
|||
|
|||
//if (!image.IsAnimated)
|
|||
//{
|
|||
using (FileStream output = File.OpenWrite(encodedFilename)) |
|||
{ |
|||
IImageEncoder encoder = Image.Encoders.First(e => e.IsSupportedFileExtension(Path.GetExtension(filename))); |
|||
encoder.Encode(image, output); |
|||
} |
|||
//}
|
|||
//else
|
|||
//{
|
|||
// using (var output = File.OpenWrite(
|
|||
// string.Format("Encoded/{ Path.GetFileNameWithoutExtension(filename) }.jpg"))
|
|||
// {
|
|||
// image.SaveAsJpeg(output, 40);
|
|||
// }
|
|||
|
|||
// for (int i = 0; i < image.Frames.Count; i++)
|
|||
// {
|
|||
// using (var output = File.OpenWrite($"Encoded/{ i }_{ Path.GetFileNameWithoutExtension(filename) }.png"))
|
|||
// {
|
|||
// image.Frames[i].SaveAsPng(output);
|
|||
// }
|
|||
// }
|
|||
//}
|
|||
|
|||
Trace.WriteLine(string.Format("{0} : {1}ms", filename, watch.ElapsedMilliseconds)); |
|||
} |
|||
} |
|||
} |
|||
@ -1,3 +1,4 @@ |
|||
<wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation"> |
|||
<s:Boolean x:Key="/Default/CodeInspection/NamespaceProvider/NamespaceFoldersToSkip/=colors/@EntryIndexedValue">True</s:Boolean> |
|||
<s:Boolean x:Key="/Default/CodeInspection/NamespaceProvider/NamespaceFoldersToSkip/=formats/@EntryIndexedValue">True</s:Boolean> |
|||
<s:Boolean x:Key="/Default/CodeInspection/NamespaceProvider/NamespaceFoldersToSkip/=numerics/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary> |
|||
@ -0,0 +1,3 @@ |
|||
version https://git-lfs.github.com/spec/v1 |
|||
oid sha256:2e17ba8fac1fd6247ff839ab7e21d715c96b3588d5f4fdb835dbe8c937dbf79d |
|||
size 37678 |
|||
Loading…
Reference in new issue