/// <summary>
        ///     Generate an event filter function with the required semantics
        /// </summary>
        /// <param name="mode">Filter for event visibility</param>
        /// <returns>Comparison function</returns>
        public static Func<TypeDefinition, EventDefinition, bool> GetEventFilter(FilterMode mode)
        {
            Func<TypeDefinition, EventDefinition, bool> func = (TypeDefinition typeDef, EventDefinition evDef) =>
            {
                var lret = false;

                if (IsEnabled(mode, FilterMode.Public))
                {
                    lret = evDef.AddMethod.IsPublic;
                }
                if (!lret && IsEnabled(mode, FilterMode.Protected))
                {
                    if (evDef.AddMethod.IsAssembly && IsEnabled(mode, FilterMode.NotInternalProtected))
                    {
                        // skip internal events which could be protected
                    }
                    else
                    {
                        lret = evDef.AddMethod.IsFamily;
                    }
                }
                if (!lret && IsEnabled(mode, FilterMode.Private))
                {
                    lret = evDef.AddMethod.IsPrivate;
                }
                if (!lret && IsEnabled(mode, FilterMode.Internal))
                {
                    lret = evDef.AddMethod.IsAssembly;
                }

                return lret;
            };

            return func;
        }

 /// <summary>
 /// Gets the filter value control with the specified FilterMode
 /// </summary>
 /// <param name="configurationValues">The configuration values.</param>
 /// <param name="id">The identifier.</param>
 /// <param name="required">if set to <c>true</c> [required].</param>
 /// <param name="filterMode">The filter mode.</param>
 /// <returns></returns>
 public override Control FilterValueControl( Dictionary<string, ConfigurationValue> configurationValues, string id, bool required, FilterMode filterMode )
 {
     var control = new RockTextBox { ID = id };
     control.ID = string.Format( "{0}_ctlCompareValue", id );
     control.AddCssClass( "js-filter-control" );
     return control;
 }

 internal unsafe FilterSource(FilePath path, FilterMode mode, git_filter_source* source)
 {
     SourceMode = mode;
     ObjectId = ObjectId.BuildFromPtr(&source->oid);
     Path = path.Native;
     Root = Proxy.git_repository_workdir(new IntPtr(source->repository)).Native;
 }

    /// <summary>
    /// Get GIF texture list (This is a possibility of lock up)
    /// </summary>
    /// <param name="bytes">GIF file byte data</param>
    /// <param name="loopCount">out Animation loop count</param>
    /// <param name="width">out GIF image width (px)</param>
    /// <param name="height">out GIF image height (px)</param>
    /// <param name="filterMode">Textures filter mode</param>
    /// <param name="wrapMode">Textures wrap mode</param>
    /// <param name="debugLog">Debug Log Flag</param>
    /// <returns>GIF texture list</returns>
    public static List<GifTexture> GetTextureList (byte[] bytes, out int loopCount, out int width, out int height,
        FilterMode filterMode = FilterMode.Bilinear, TextureWrapMode wrapMode = TextureWrapMode.Clamp, bool debugLog = false)
    {
        loopCount = -1;
        width = 0;
        height = 0;

        // Set GIF data
        var gifData = new GifData ();
        if (SetGifData (bytes, ref gifData, debugLog) == false) {
            Debug.LogError ("GIF file data set error.");
            return null;
        }

        // Decode to textures from GIF data
        var gifTexList = new List<GifTexture> ();
        if (DecodeTexture (gifData, gifTexList, filterMode, wrapMode) == false) {
            Debug.LogError ("GIF texture decode error.");
            return null;
        }

        loopCount = gifData.appEx.loopCount;
        width = gifData.logicalScreenWidth;
        height = gifData.logicalScreenHeight;
        return gifTexList;
    }

 /// <summary>
 ///     Builder constructor
 /// </summary>
 /// <param name="filterSize"></param>
 /// <param name="filterPower"></param>
 /// <param name="keepOption"></param>
 public DeblurBuilder(Size filterSize, double filterPower = 1, KeepOption keepOption = KeepOption.AverageAndDelta)
 {
     _filterMode = FilterMode.FilterSize;
     _filterSize = filterSize;
     _filterPower = filterPower;
     _keepOption = keepOption;
 }

		public ScreenNameQuery(string key, string value, FilterMode mode) : base(key, value, mode)
		{
			if (mode != FilterMode.Regex)
			{
				this.screenName = new ScreenName(value);
			}
		}

 public void Upgrade()
 {
     if (this.version != 4)
     {
         Debug.Log("SpriteCollection '" + base.name + "' - Upgraded from version " + this.version.ToString());
         if (this.version == 0)
         {
             if (this.pixelPerfectPointSampled)
             {
                 this.filterMode = FilterMode.Point;
             }
             else
             {
                 this.filterMode = FilterMode.Bilinear;
             }
             this.userDefinedTextureSettings = true;
         }
         if (((this.version < 3) && (this.textureRefs != null)) && ((this.textureParams != null) && (this.textureRefs.Length == this.textureParams.Length)))
         {
             for (int i = 0; i < this.textureRefs.Length; i++)
             {
                 this.textureParams[i].texture = this.textureRefs[i];
             }
             this.textureRefs = null;
         }
         if (this.version < 4)
         {
             this.sizeDef.CopyFromLegacy(this.useTk2dCamera, this.targetOrthoSize, (float) this.targetHeight);
         }
         this.version = 4;
     }
 }

 /// <summary>
 /// Gets the filter value control.
 /// </summary>
 /// <param name="configurationValues">The configuration values.</param>
 /// <param name="id">The identifier.</param>
 /// <param name="required">if set to <c>true</c> [required].</param>
 /// <param name="filterMode">The filter mode.</param>
 /// <returns></returns>
 public override Control FilterValueControl( Dictionary<string, ConfigurationValue> configurationValues, string id, bool required, FilterMode filterMode )
 {
     var control = base.FilterValueControl(configurationValues, id, required, filterMode );
     WorkflowTypePicker workflowTypePicker = (WorkflowTypePicker)control;
     workflowTypePicker.Required = required;
     workflowTypePicker.AllowMultiSelect = false;
     return control;
 }

 /// <summary>
 /// Initialize the Extension Filter
 /// </summary>
 /// <param name="pattern">pattern for the extension filter</param>
 /// <param name="mode">The <see cref="FilterMode"/> for Filter</param>
 internal ExtensionFilter(string pattern,FilterMode mode):base(mode)
 {
     if(pattern == null){
         pattern = "";
     }
     this._pattern = pattern;
     BuildRegex(_pattern.ToLower());
 }

 /// <summary>
 ///     Builder constructor
 /// </summary>
 /// <param name="filterKernel"></param>
 /// <param name="filterPower"></param>
 /// <param name="keepOption"></param>
 public FilterBuilder(Complex[,] filterKernel, double filterPower = 1,
     KeepOption keepOption = KeepOption.AverageAndDelta)
 {
     _filterMode = FilterMode.FilterKernel;
     _filterKernel = filterKernel;
     _filterPower = filterPower;
     _keepOption = keepOption;
 }

 public Stream Apply(Stream stream, FilterMode fm)
 {
     Rijndael des = Rijndael.Create();
     des.IV = iv;
     des.Key = key;
     ICryptoTransform crypt = fm == FilterMode.Write ? des.CreateEncryptor() : des.CreateDecryptor();
     CryptoStream cs = new CryptoStream(stream, crypt, fm == FilterMode.Write ? CryptoStreamMode.Write : CryptoStreamMode.Read);
     return cs;
 }

 public RenderTexture Get(int width, int height, int depthBuffer = 0, RenderTextureFormat format = RenderTextureFormat.ARGBHalf, RenderTextureReadWrite rw = RenderTextureReadWrite.Default, FilterMode filterMode = FilterMode.Bilinear, TextureWrapMode wrapMode = TextureWrapMode.Clamp, string name = "FactoryTempTexture")
 {
     var rt = RenderTexture.GetTemporary(width, height, depthBuffer, format);
     rt.filterMode = filterMode;
     rt.wrapMode = wrapMode;
     rt.name = name;
     m_TemporaryRTs.Add(rt);
     return rt;
 }

 public RenderTexture GetTemporaryRenderTexture(int width, int height, int depthBuffer = 0, RenderTextureFormat format = RenderTextureFormat.ARGBHalf, FilterMode filterMode = FilterMode.Bilinear)
 {
     RenderTexture temporary = RenderTexture.GetTemporary(width, height, depthBuffer, format);
     temporary.filterMode = filterMode;
     temporary.wrapMode = TextureWrapMode.Clamp;
     temporary.name = "RenderTextureUtilityTempTexture";
     this.m_TemporaryRTs.Add(temporary);
     return temporary;
 }

    /// <summary>
    /// Decode to textures from GIF data
    /// </summary>
    /// <param name="gifData">GIF data</param>
    /// <param name="gifTexList">GIF texture list</param>
    /// <param name="filterMode">Textures filter mode</param>
    /// <param name="wrapMode">Textures wrap mode</param>
    /// <returns>IEnumerator</returns>
    static IEnumerator DecodeTextureCoroutine(GifData gifData, List<GifTexture> gifTexList, FilterMode filterMode, TextureWrapMode wrapMode)
    {
        if (gifData.imageBlockList == null || gifData.imageBlockList.Count < 1) {
            yield break;
        }

        Color32? bgColor = GetGlobalBgColor (gifData);

        // Disposal Method
        // 0 (No disposal specified)
        // 1 (Do not dispose)
        // 2 (Restore to background color)
        // 3 (Restore to previous)
        ushort disposalMethod = 0;

        int imgBlockIndex = 0;
        foreach (var imgBlock in gifData.imageBlockList) {
            var decodedData = GetDecodedData (imgBlock);

            var colorTable = GetColorTable (gifData, imgBlock, ref bgColor);

            var graphicCtrlEx = GetGraphicCtrlExt (gifData, imgBlockIndex);

            int transparentIndex = GetTransparentIndex (graphicCtrlEx);

            // avoid lock up
            yield return 0;

            bool useBeforeTex = false;
            var tex = CreateTexture2D (gifData, gifTexList, imgBlockIndex, disposalMethod, filterMode, wrapMode, ref useBeforeTex);

            // Set pixel data
            int dataIndex = 0;
            // Reverse set pixels. because GIF data starts from the top left.
            for (int y = tex.height - 1; y >= 0; y--) {
                SetTexturePixelRow (tex, y, imgBlock, decodedData, ref dataIndex, colorTable, bgColor, transparentIndex, useBeforeTex);

                // avoid lock up
                //if (y % 10 == 0) {
                //    yield return 0;
                //}
            }
            tex.Apply ();

            float delaySec = GetDelaySec (graphicCtrlEx);

            // Add to GIF texture list
            gifTexList.Add (new GifTexture (tex, delaySec));

            disposalMethod = GetDisposalMethod (graphicCtrlEx);

            imgBlockIndex++;

            // avoid lock up
            yield return 0;
        }
    }

 public RenderTexture GetTemporaryRenderTexture(int width, int height, int depthBuffer = 0, RenderTextureFormat format = RenderTextureFormat.ARGBHalf, FilterMode filterMode = FilterMode.Bilinear)
 {
     var rt = RenderTexture.GetTemporary(width, height, depthBuffer, format);
     rt.filterMode = filterMode;
     rt.wrapMode = TextureWrapMode.Clamp;
     rt.name = "RenderTextureUtilityTempTexture";
     m_TemporaryRTs.Add(rt);
     return rt;
 }

    /// <summary>
    /// Scales the texture data of the given texture.
    /// </summary>
    /// <param name="tex">Texure to scale</param>
    /// <param name="width">New width</param>
    /// <param name="height">New height</param>
    /// <param name="mode">Filtering mode</param>
    public static void scale(Texture2D tex, int width, int height, FilterMode mode = FilterMode.Trilinear)
    {
        Rect texR = new Rect(0, 0, width, height);
        _gpu_scale(tex, width, height, mode);

        // Update new texture
        tex.Resize(width, height);
        tex.ReadPixels(texR, 0, 0, true);
        tex.Apply(true);        //Remove this if you hate us applying textures for you :)
    }

 /// <summary>
 /// Gets the filter value control.
 /// </summary>
 /// <param name="configurationValues">The configuration values.</param>
 /// <param name="id">The identifier.</param>
 /// <param name="required">if set to <c>true</c> [required].</param>
 /// <param name="filterMode">The filter mode.</param>
 /// <returns></returns>
 public override Control FilterValueControl( Dictionary<string, ConfigurationValue> configurationValues, string id, bool required, FilterMode filterMode )
 {
     var control = base.FilterValueControl( configurationValues, id, required, filterMode );
     if ( control is AccountPicker )
     {
         var accountPicker = (AccountPicker)control;
         accountPicker.AllowMultiSelect = false;
         accountPicker.Required = required;
     }
     return control;
 }

    /// <summary>
    ///     Returns a scaled copy of given texture.
    /// </summary>
    /// <param name="tex">Source texure to scale</param>
    /// <param name="width">Destination texture width</param>
    /// <param name="height">Destination texture height</param>
    /// <param name="mode">Filtering mode</param>
    public static Texture2D scaled(Texture2D src, int width, int height, FilterMode mode = FilterMode.Trilinear)
    {
        Rect texR = new Rect(0, 0, width, height);
        _gpu_scale(src, width, height, mode);

        //Get rendered data back to a new texture
        Texture2D result = new Texture2D(width, height, TextureFormat.ARGB32, true);
        result.Resize(width, height);
        result.ReadPixels(texR, 0, 0, true);
        return result;
    }

        /// <summary>
        /// Gets the filter compare control.
        /// </summary>
        /// <param name="configurationValues">The configuration values.</param>
        /// <param name="id">The identifier.</param>
        /// <param name="required">if set to <c>true</c> [required].</param>
        /// <param name="filterMode">The filter mode.</param>
        /// <returns></returns>
        public override Control FilterCompareControl( Dictionary<string, ConfigurationValue> configurationValues, string id, bool required, FilterMode filterMode )
        {
            var lbl = new Label();
            lbl.ID = string.Format( "{0}_lIs", id );
            lbl.AddCssClass( "data-view-filter-label" );
            lbl.Text = "Is";

            // hide the compare control when in SimpleFilter mode
            lbl.Visible = filterMode != FilterMode.SimpleFilter;

            return lbl;
        }

		public BooleanQuery(string key, string value, FilterMode mode) : base(key, value, mode)
		{
			if (mode != FilterMode.Equal)
			{
				throw new FilterException("クエリ '" + key + "' は '=' 演算子でのみ使用できます。");
			}

			if (!bool.TryParse(value, out this.b))
			{
				throw new FilterException("クエリ '" + key + "' の値は、'true' または 'false' で指定してください。");
			}
		}