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julzerinosjulzerinos
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‎.gitattributes

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###############################################################################
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# Set default behavior to automatically normalize line endings.
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###############################################################################
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* text=auto
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###############################################################################
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# Set default behavior for command prompt diff.
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#
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# This is need for earlier builds of msysgit that does not have it on by
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# default for csharp files.
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# Note: This is only used by command line
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###############################################################################
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#*.cs diff=csharp
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###############################################################################
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# Set the merge driver for project and solution files
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#
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# Merging from the command prompt will add diff markers to the files if there
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# are conflicts (Merging from VS is not affected by the settings below, in VS
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# the diff markers are never inserted). Diff markers may cause the following
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# file extensions to fail to load in VS. An alternative would be to treat
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# these files as binary and thus will always conflict and require user
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# intervention with every merge. To do so, just uncomment the entries below
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###############################################################################
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#*.sln merge=binary
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#*.csproj merge=binary
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#*.vbproj merge=binary
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#*.vcxproj merge=binary
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#*.vcproj merge=binary
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#*.dbproj merge=binary
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#*.fsproj merge=binary
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#*.lsproj merge=binary
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#*.wixproj merge=binary
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#*.modelproj merge=binary
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#*.sqlproj merge=binary
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#*.wwaproj merge=binary
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###############################################################################
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# behavior for image files
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#
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# image files are treated as binary by default.
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###############################################################################
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#*.jpg binary
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#*.png binary
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#*.gif binary
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###############################################################################
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# diff behavior for common document formats
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#
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# Convert binary document formats to text before diffing them. This feature
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# is only available from the command line. Turn it on by uncommenting the
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# entries below.
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###############################################################################
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#*.doc diff=astextplain
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#*.DOC diff=astextplain
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#*.docx diff=astextplain
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#*.DOCX diff=astextplain
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#*.dot diff=astextplain
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#*.DOT diff=astextplain
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#*.pdf diff=astextplain
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#*.PDF diff=astextplain
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#*.rtf diff=astextplain
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#*.RTF diff=astextplain

‎winforms-image-processor/winforms-image-processor.sln

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio 15
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VisualStudioVersion = 15.0.28307.489
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "winforms-image-processor", "winforms-image-processor\winforms-image-processor.csproj", "{11F06003-A488-40FF-BF13-FF7114F9D866}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{11F06003-A488-40FF-BF13-FF7114F9D866}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{11F06003-A488-40FF-BF13-FF7114F9D866}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{11F06003-A488-40FF-BF13-FF7114F9D866}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{11F06003-A488-40FF-BF13-FF7114F9D866}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {69161561-A82C-416A-A3D0-9CBAAE32F87D}
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EndGlobalSection
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EndGlobal

‎winforms-image-processor/winforms-image-processor/App.config

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<?xml version="1.0" encoding="utf-8" ?>
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<configuration>
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<startup>
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<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.1" />
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</startup>
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</configuration>

‎winforms-image-processor/winforms-image-processor/CacheManager.cs

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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.IO;
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using System.Linq;
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using System.Runtime.Serialization;
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using System.Runtime.Serialization.Formatters.Binary;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace winforms_image_processor
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{
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/// <summary>
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/// The CacheManager Class is responsible for storing caches of image filter states.
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/// This greatly saves processing time, but increases load on memory.
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/// </summary>
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static class CacheManager
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{
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public static List<string> filterState;
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public static Dictionary<List<string>, Bitmap> cachedFilterStates;
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public static void InitializeWithOriginal(Bitmap bmp)
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{
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filterState = new List<string>();
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cachedFilterStates = new Dictionary<List<string>, Bitmap>(new StringListEqComparer())
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{
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{ new List<string>(), DeepCopy(bmp)}
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};
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}
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public static void UpdateFilterState(string filter, bool newChecked)
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{
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if (newChecked)
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filterState.Add(filter);
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else
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filterState.Remove(filter);
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}
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public static Bitmap GetBitmapForFilterState() => cachedFilterStates.ContainsKey(filterState) ? cachedFilterStates[filterState] : null;
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public static void SetBitmapForFilterState(Bitmap bmp) => cachedFilterStates[filterState] = DeepCopy(bmp);
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public static Bitmap GetOriginalImage() => cachedFilterStates[new List<string>()];
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private static T DeepCopy<T>(T source)
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// Sources used
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// Deepcopy w/ stream: https://stackoverflow.com/questions/43039099/creating-a-completely-new-copy-of-bitmap-from-a-bitmap-in-c-sharp/43042865#43042865
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{
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if (!typeof(T).IsSerializable)
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{
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throw new ArgumentException("The type must be serializable.", "source");
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}
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if (Object.ReferenceEquals(source, null))
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{
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return default(T);
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}
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IFormatter formatter = new BinaryFormatter();
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Stream stream = new MemoryStream();
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using (stream)
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{
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formatter.Serialize(stream, source);
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stream.Seek(0, SeekOrigin.Begin);
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return (T)formatter.Deserialize(stream);
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}
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}
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}
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public class StringListEqComparer : IEqualityComparer<List<string>>
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// Sources used
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// Custom compare: https://stackoverflow.com/questions/14663168/an-integer-array-as-a-key-for-dictionary
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{
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public bool Equals(List<string> x, List<string> y)
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{
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if (x.Count != y.Count)
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{
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return false;
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}
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for (int i = 0; i < x.Count; i++)
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{
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if (x[i] != y[i])
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{
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return false;
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}
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}
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return true;
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}
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public int GetHashCode(List<string> obj)
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{
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int result = 17;
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for (int i = 0; i < obj.Count; i++)
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{
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unchecked
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{
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result = result * 23 + obj[i].GetHashCode();
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}
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}
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return result;
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}
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}
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}

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