修复6.0二维码的bug

AIStudio.Wpf.DiagramApp/ViewModels/MainWindowViewModel.cs

@@ -91,16 +91,16 @@ namespace AIStudio.Wpf.DiagramApp.ViewModels
             }
         }
 
-        private Models.ColorType _colorObject;
+        private Models.ColorType _colorType;
         public Models.ColorType ColorType
         {
             get
             {
-                return _colorObject;
+                return _colorType;
             }
             set
             {
-                SetProperty(ref _colorObject, value);
+                SetProperty(ref _colorType, value);
             }
         }
 
@@ -715,21 +715,128 @@ namespace AIStudio.Wpf.DiagramApp.ViewModels
             List<Color> result = new List<Color>();
             for (var i = 0; i < count; i++)
             {
-                //var colors = ColorGallery.GetGradient(ColorGallery.StandardThemeColors[i], 10);
-                //for (var j = 9; j >= 0; j--)
-                //{
-                //    result.AddTo(colors[j]);
-                //}
+                var colors = GetGradient(ColorGallery.StandardThemeColors[i], 10);
+                for (var j = 9; j >= 0; j--)
+                {
+                    result.Add(colors[j]);
+                }
             }
             {
-                //var colors = ColorGallery.GetGradient(Colors.Black, 10);
-                //for (var j = 9; j >= 0; j--)
-                //{
-                //    result.AddTo(colors[j]);
-                //}
+                var colors = GetGradient(Colors.Black, 10);
+                for (var j = 9; j >= 0; j--)
+                {
+                    result.Add(colors[j]);
+                }
             }
             return result.ToArray();
         }
+
+        #endregion
+
+        #region Gradient Generation
+
+        /// <summary>
+        /// Returns brightness of the given color from 0..1
+        /// </summary>
+        /// <param name="color">Color</param>
+        /// <returns>Brightness of the given color from 0..1</returns>
+        private static double GetBrightness(Color color)
+        {
+            var summ = (double)color.R + color.G + color.B;
+            return summ / (255.0 * 3.0);
+        }
+
+        // Makes the given color lighter
+        private static Color Lighter(Color color, double power)
+        {
+            var totalAvailability = (255.0 * 3.0) - color.R + color.G + color.B;
+            double redAvailability;
+            double greenAvailability;
+            double blueAvailability;
+            double needToBeAdded;
+
+            if (color.R + color.G + color.B == 0)
+            {
+                redAvailability = 1.0 / 3.0;
+                greenAvailability = 1.0 / 3.0;
+                blueAvailability = 1.0 / 3.0;
+                needToBeAdded = power * 255.0 * 3.0;
+            }
+            else
+            {
+                redAvailability = (255.0 - color.R) / totalAvailability;
+                greenAvailability = (255.0 - color.G) / totalAvailability;
+                blueAvailability = (255.0 - color.B) / totalAvailability;
+                needToBeAdded = ((double)color.R + color.G + color.B) * (power - 1);
+            }
+
+            var result = Color.FromRgb(
+                (byte)(color.R + (byte)(redAvailability * needToBeAdded)),
+                (byte)(color.G + (byte)(greenAvailability * needToBeAdded)),
+                (byte)(color.B + (byte)(blueAvailability * needToBeAdded)));
+
+            return result;
+        }
+
+        // Makes the given color darker
+        private static Color Darker(Color color, double power)
+        {
+            var totalAvailability = (double)color.R + color.G + color.B;
+            var redAvailability = color.R / totalAvailability;
+            var greenAvailability = color.G / totalAvailability;
+            var blueAvailability = color.B / totalAvailability;
+
+            var needToBeAdded = (double)color.R + color.G + color.B;
+            needToBeAdded = needToBeAdded - (needToBeAdded * power);
+
+            var result = Color.FromRgb(
+                (byte)(color.R - (byte)(redAvailability * needToBeAdded)),
+                (byte)(color.G - (byte)(greenAvailability * needToBeAdded)),
+                (byte)(color.B - (byte)(blueAvailability * needToBeAdded)));
+
+            return result;
+        }
+
+        // Makes a new color from the given with new brightness
+        private static Color Rebright(Color color, double newBrightness)
+        {
+            var currentBrightness = GetBrightness(color);
+            var power = DoubleUtil.AreClose(currentBrightness, 0.0) == false
+                ? newBrightness / currentBrightness
+                : 1.0 + newBrightness;
+
+            // TODO: round power to make nice numbers
+            // ...
+
+            if (power > 1.0)
+            {
+                return Lighter(color, power);
+            }
+
+            return Darker(color, power);
+        }
+
+        /// <summary>
+        /// Makes gradient colors from lighter to darker
+        /// </summary>
+        /// <param name="color">Base color</param>
+        /// <param name="count">Count of items in the gradient</param>
+        /// <returns>Colors from lighter to darker</returns>
+        public static Color[] GetGradient(Color color, int count)
+        {
+            const double lowBrightness = 0.15;
+            const double highBrightness = 0.85;
+            var result = new Color[count];
+
+            for (var i = 0; i < count; i++)
+            {
+                var brightness = lowBrightness + (i * (highBrightness - lowBrightness) / count);
+                result[count - i - 1] = Rebright(color, brightness);
+            }
+
+            return result;
+        }
+
         #endregion
     }
 }

AIStudio.Wpf.DiagramDesigner.Additionals/AIStudio.Wpf.DiagramDesigner.Additionals.csproj

@@ -18,7 +18,7 @@
     <PackageReference Include="MahApps.Metro.IconPacks" Version="4.8.0" />
     <PackageReference Include="AIStudio.Wpf.Svg2XamlExtension" Version="1.2.2" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
-    <PackageReference Include="ZXing.Net" Version="0.16.8" />
+    <PackageReference Include="ZXing.Net" Version="0.16.9" />
   </ItemGroup>
 
   <ItemGroup>

AIStudio.Wpf.DiagramDesigner.Additionals/Controls/Barcode.xaml.cs

@@ -116,6 +116,7 @@ namespace AIStudio.Wpf.DiagramDesigner.Additionals.Controls
                     Margin = 0
                 }
             };
+            writer.Renderer = new GeometryRenderer();
             var image = writer.Write(Text ?? "AIStudio画板");
             imageBarcodeEncoderGeometry.Data = image;
 #else

AIStudio.Wpf.DiagramDesigner.Additionals/Controls/GeometryRenderer.cs

@@ -0,0 +1,310 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Media;
+using ZXing.Common;
+using ZXing.Rendering;
+using ZXing;
+using System.Windows;
+
+namespace AIStudio.Wpf.DiagramDesigner.Additionals.Controls
+{
+    /// <summary>
+    /// Renders a barcode into a geometry
+    /// Autor: Rob Fonseca-Ensor
+    /// </summary>
+    public class GeometryRenderer : IBarcodeRenderer<Geometry>
+    {
+        /// <summary>
+        /// Renders the specified matrix.
+        /// </summary>
+        /// <param name="matrix">The matrix.</param>
+        /// <param name="format">The format.</param>
+        /// <param name="content">The content.</param>
+        /// <returns></returns>
+        public Geometry Render(BitMatrix matrix, BarcodeFormat format, string content)
+        {
+            return Render(matrix, format, content, null);
+        }
+
+        /// <summary>
+        /// Renders the specified matrix.
+        /// </summary>
+        /// <param name="matrix">The matrix.</param>
+        /// <param name="format">The format.</param>
+        /// <param name="content">The content.</param>
+        /// <param name="options">The options.</param>
+        /// <returns></returns>
+        public Geometry Render(BitMatrix matrix, BarcodeFormat format, string content, EncodingOptions options)
+        {
+            var edges = new HashSet<Edge>();
+            var edgeMap = new Dictionary<Coordinate, List<Edge>>();
+            var cols = matrix.Width;
+            var rows = matrix.Height;
+
+            for (int c = 0; c <= cols; c++)
+            {
+                for (int r = 0; r <= rows; r++)
+                {
+                    var cell = GetCell(c, r, matrix);
+                    var westCell = GetCell(c - 1, r, matrix);
+                    var northCell = GetCell(c, r - 1, matrix);
+                    if (northCell != cell)
+                    {
+                        AddEdge(new Edge(c, r, c + 1, r), edges, edgeMap);
+                    }
+
+                    if (westCell != cell)
+                    {
+                        AddEdge(new Edge(c, r, c, r + 1), edges, edgeMap);
+                    }
+                }
+            }
+
+            var cycles = new List<List<Coordinate>>();
+
+            while (edges.Count > 0)
+            {
+                var edge = edges.First();
+                RemoveEdge(edge, edges, edgeMap);
+
+                if (IsEdgeLeftHand(matrix, edge))
+                {
+                    edge = edge.Reversed();
+                }
+
+                var currentCycle = new List<Coordinate> { edge.From, edge.To };
+                while (edge.To != currentCycle[0])
+                {
+                    var moves = from direction in Turns(edge.From - edge.To)
+                                let nextCoordinate = direction + edge.To
+                                from e in EdgesFrom(edge.To, edgeMap)
+                                where e.To == nextCoordinate || e.From == nextCoordinate
+                                select e;
+
+                    var nextEdge = moves.First();
+                    RemoveEdge(nextEdge, edges, edgeMap);
+                    edge = nextEdge.To != edge.To ? nextEdge : nextEdge.Reversed();
+                    currentCycle.Add(edge.To);
+                }
+                cycles.Add(currentCycle);
+            }
+
+            return new PathGeometry(cycles.Select(x => new PathFigure(x.First().ToPoint(1), x.Skip(1).Select(y => new LineSegment(y.ToPoint(1), true)), true)));
+
+        }
+
+        private static bool IsEdgeLeftHand(BitMatrix b, Edge edge)
+        {
+            var cell = GetCell(edge.From.Col, edge.From.Row, b);
+            return (edge.From.Row < edge.To.Row && cell) || (!(edge.From.Col < edge.To.Col && cell));
+        }
+
+        private static IEnumerable<Edge> EdgesFrom(Coordinate c, Dictionary<Coordinate, List<Edge>> edgeMap)
+        {
+            return edgeMap.ContainsKey(c) ? edgeMap[c] : Enumerable.Empty<Edge>();
+        }
+
+        private static IEnumerable<Coordinate> Turns(Coordinate currentDirection)
+        {
+            int index = Array.IndexOf(Coordinate.Directions, currentDirection);
+            return Coordinate.Directions.Skip(index + 1).Concat(Coordinate.Directions.Take(index));
+        }
+
+        private static bool GetCell(int c, int r, BitMatrix matrix)
+        {
+            if (r < 0 || r >= matrix.Height)
+            {
+                return false;
+            }
+            if (c < 0 || c >= matrix.Width)
+            {
+                return false;
+            }
+            return matrix[c, r];
+        }
+
+        private static void RemoveEdge(Edge e, HashSet<Edge> edges, Dictionary<Coordinate, List<Edge>> edgeMap)
+        {
+            edges.Remove(e);
+            edgeMap[e.From].Remove(e);
+            edgeMap[e.To].Remove(e);
+        }
+
+        private static void AddEdge(Edge e, HashSet<Edge> edges, Dictionary<Coordinate, List<Edge>> edgeMap)
+        {
+            edges.Add(e);
+            AddCoordinate(e.From, e, edgeMap);
+            AddCoordinate(e.To, e, edgeMap);
+        }
+
+        private static void AddCoordinate(Coordinate c, Edge e, Dictionary<Coordinate, List<Edge>> edgeMap)
+        {
+            List<Edge> list;
+            if (!edgeMap.TryGetValue(c, out list))
+            {
+                edgeMap[c] = list = new List<Edge>();
+            }
+            list.Add(e);
+        }
+
+
+        private struct Coordinate
+        {
+            public readonly int Row, Col;
+
+            public Coordinate(int col, int row)
+            {
+                Col = col;
+                Row = row;
+            }
+
+            public bool Equals(Coordinate other)
+            {
+                return other.Row == Row && other.Col == Col;
+            }
+
+            public override bool Equals(object obj)
+            {
+                if (ReferenceEquals(null, obj))
+                    return false;
+                if (obj.GetType() != typeof(Coordinate))
+                    return false;
+                return Equals((Coordinate)obj);
+            }
+
+            public override int GetHashCode()
+            {
+                unchecked
+                {
+                    return (Row * 397) ^ Col;
+                }
+            }
+
+            public override string ToString()
+            {
+                var s = "";
+                if (this == North)
+                    s = " n";
+                if (this == West)
+                    s = " w";
+                if (this == South)
+                    s = " s";
+                if (this == East)
+                    s = " e";
+                return String.Format("({0}, {1}{2})", Col, Row, s);
+            }
+
+            public static bool operator ==(Coordinate left, Coordinate right)
+            {
+                return left.Equals(right);
+            }
+
+            public static bool operator !=(Coordinate left, Coordinate right)
+            {
+                return !left.Equals(right);
+            }
+
+            public static Coordinate operator +(Coordinate c1, Coordinate c2)
+            {
+                return new Coordinate(c1.Col + c2.Col, c1.Row + c2.Row);
+            }
+
+            public static Coordinate operator -(Coordinate c1, Coordinate c2)
+            {
+                return new Coordinate(c1.Col - c2.Col, c1.Row - c2.Row);
+            }
+
+            public Point ToPoint(double scale)
+            {
+                return new Point(Col * scale, Row * scale);
+            }
+
+            private static readonly Coordinate West = new Coordinate(-1, 0);
+            private static readonly Coordinate South = new Coordinate(0, 1);
+            private static readonly Coordinate East = new Coordinate(1, 0);
+            private static readonly Coordinate North = new Coordinate(0, -1);
+
+            public static readonly Coordinate[] Directions = new[]
+               {
+               West,
+               South,
+               East,
+               North,
+            };
+        }
+
+        private struct Edge
+        {
+            public readonly Coordinate From, To;
+
+            public Edge(Coordinate from, Coordinate to)
+            {
+                From = from;
+                To = to;
+            }
+
+            public Edge(int fromCol, int fromRow, int toCol, int toRow)
+               : this(new Coordinate(fromCol, fromRow), new Coordinate(toCol, toRow))
+            {
+
+            }
+
+
+            public bool Equals(Edge other)
+            {
+                return other.From.Equals(From) && other.To.Equals(To);
+            }
+
+            public override bool Equals(object obj)
+            {
+                if (ReferenceEquals(null, obj))
+                    return false;
+                if (obj.GetType() != typeof(Edge))
+                    return false;
+                return Equals((Edge)obj);
+            }
+
+            public override int GetHashCode()
+            {
+                unchecked
+                {
+                    return (From.GetHashCode() * 397) ^ To.GetHashCode();
+                }
+            }
+
+            public override string ToString()
+            {
+                char angle = ' ';
+                if (From.Col == To.Col)
+                {
+                    angle = '|';
+                }
+                if (From.Row == To.Row)
+                {
+                    angle = '-';
+                }
+
+
+                return string.Format("[{0} {2} {1}]", From, To, angle);
+            }
+
+            public static bool operator ==(Edge left, Edge right)
+            {
+                return left.Equals(right);
+            }
+
+            public static bool operator !=(Edge left, Edge right)
+            {
+                return !left.Equals(right);
+            }
+
+            public Edge Reversed()
+            {
+                return new Edge(To, From);
+            }
+        }
+    }
+}

AIStudio.Wpf.DiagramDesigner/Controls/DesignerCanvas.cs

@@ -279,6 +279,7 @@ namespace AIStudio.Wpf.DiagramDesigner
         {
             StreamResourceInfo sri = Application.GetResourceStream(new Uri("pack://application:,,,/AIStudio.Wpf.DiagramDesigner;component/Images/FormatPainter.cur", UriKind.RelativeOrAbsolute));
             this.Cursor = new Cursor(sri.Stream);
+
             foreach (SelectableDesignerItemViewModelBase item in _viewModel.Items)
             {
                 item.IsHitTestVisible = false;

AIStudio.Wpf.DiagramDesigner/Helpers/DoubleUtil.cs

@@ -0,0 +1,64 @@
+namespace AIStudio.Wpf.DiagramDesigner
+{
+    using System;
+
+    public static class DoubleUtil
+    {
+        // Const values come from sdk\inc\crt\float.h
+#pragma warning disable SA1310 // Field names must not contain underscore
+        // ReSharper disable once InconsistentNaming
+        private const double DBL_EPSILON = 2.2204460492503131e-016; /* smallest such that 1.0+DBL_EPSILON != 1.0 */
+#pragma warning restore SA1310 // Field names must not contain underscore
+
+        /// <summary>
+        /// AreClose - Returns whether or not two doubles are "close".  That is, whether or
+        /// not they are within epsilon of each other.  Note that this epsilon is proportional
+        /// to the numbers themselves to that AreClose survives scalar multiplication.
+        /// There are plenty of ways for this to return false even for numbers which
+        /// are theoretically identical, so no code calling this should fail to work if this
+        /// returns false.  This is important enough to repeat:
+        /// NB: NO CODE CALLING THIS FUNCTION SHOULD DEPEND ON ACCURATE RESULTS - this should be
+        /// used for optimizations *only*.
+        /// </summary>
+        /// <returns>
+        /// bool - the result of the AreClose comparision.
+        /// </returns>
+        /// <param name="value1"> The first double to compare. </param>
+        /// <param name="value2"> The second double to compare. </param>
+        public static bool AreClose(double value1, double value2)
+        {
+            // in case they are Infinities (then epsilon check does not work)
+            // ReSharper disable once CompareOfFloatsByEqualityOperator
+            if (value1 == value2)
+            {
+                return true;
+            }
+
+            // This computes (|value1-value2| / (|value1| + |value2| + 10.0)) &lt; DBL_EPSILON
+            var eps = (Math.Abs(value1) + Math.Abs(value2) + 10.0) * DBL_EPSILON;
+            var delta = value1 - value2;
+            return (-eps < delta) && (eps > delta);
+        }
+
+        /// <summary>
+        /// GreaterThan - Returns whether or not the first double is greater than the second double.
+        /// That is, whether or not the first is strictly greater than *and* not within epsilon of
+        /// the other number.  Note that this epsilon is proportional to the numbers themselves
+        /// to that AreClose survives scalar multiplication.  Note,
+        /// There are plenty of ways for this to return false even for numbers which
+        /// are theoretically identical, so no code calling this should fail to work if this
+        /// returns false.  This is important enough to repeat:
+        /// NB: NO CODE CALLING THIS FUNCTION SHOULD DEPEND ON ACCURATE RESULTS - this should be
+        /// used for optimizations *only*.
+        /// </summary>
+        /// <returns>
+        /// bool - the result of the GreaterThan comparision.
+        /// </returns>
+        /// <param name="value1"> The first double to compare. </param>
+        /// <param name="value2"> The second double to compare. </param>
+        public static bool GreaterThan(double value1, double value2)
+        {
+            return (value1 > value2) && !AreClose(value1, value2);
+        }
+    }
+}

AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/SelectableViewModelBase.cs

@@ -192,10 +192,6 @@ namespace AIStudio.Wpf.DiagramDesigner
         {
             get
             {
-                if (IsHitTestVisible == false)
-                {
-                    return false;
-                }
                 return _isSelected;
             }
             set