Add jlm_msam10.ttf support

 - Add some symbols it contains
 - Add an example in WpfMath.Example
 - Add TTFMetrics tool
 - Improve WpfMath.Example editor

XamlMath.All.sln

@@ -82,6 +82,10 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "api", "api", "{3F2FED19-93A
 		api\XamlMath.Shared.net6.0.verified.cs = api\XamlMath.Shared.net6.0.verified.cs
 	EndProjectSection
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Tools", "Tools", "{78661BBB-288F-4AB5-8574-C8AA1B5BAC52}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TTFMetrics", "src\Tools\TTFMetrics\TTFMetrics.csproj", "{A29B12C8-9AE6-4016-9AB8-702B67409C95}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -124,12 +128,17 @@ Global
 		{54F77EF7-F918-46F8-A615-56BC0BFE8AAB}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{54F77EF7-F918-46F8-A615-56BC0BFE8AAB}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{54F77EF7-F918-46F8-A615-56BC0BFE8AAB}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A29B12C8-9AE6-4016-9AB8-702B67409C95}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A29B12C8-9AE6-4016-9AB8-702B67409C95}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A29B12C8-9AE6-4016-9AB8-702B67409C95}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A29B12C8-9AE6-4016-9AB8-702B67409C95}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
 		{B296A539-C985-43AB-B740-7FBE8F85CCFF} = {422A1C06-160C-4422-B019-F9B63C6C6877}
+        {A29B12C8-9AE6-4016-9AB8-702B67409C95} = {78661BBB-288F-4AB5-8574-C8AA1B5BAC52}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {6563FDA0-9C49-4091-AAE3-611169C996D8}

src/Tools/TTFMetrics/App.xaml

@@ -0,0 +1,4 @@
+<Application x:Class="TTFMetrics.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             StartupUri="MainWindow.xaml" />

src/Tools/TTFMetrics/App.xaml.cs

@@ -0,0 +1,5 @@
+namespace TTFMetrics;
+
+public partial class App
+{
+}

src/Tools/TTFMetrics/AssemblyInfo.cs

@@ -0,0 +1,10 @@
+using System.Windows;
+
+[assembly: ThemeInfo(
+    ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
+                                     //(used if a resource is not found in the page,
+                                     // or application resource dictionaries)
+    ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
+                                              //(used if a resource is not found in the page,
+                                              // app, or any theme specific resource dictionaries)
+)]

src/Tools/TTFMetrics/MainViewModel.cs

@@ -0,0 +1,108 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.IO;
+using System.Runtime.CompilerServices;
+using System.Text;
+using System.Windows.Input;
+using System.Windows.Media;
+using Microsoft.Win32;
+using Microsoft.Xaml.Behaviors.Core;
+
+namespace TTFMetrics;
+
+public sealed class MainViewModel : INotifyPropertyChanged
+{
+    private string _content = string.Empty;
+    private string _filePath = string.Empty;
+
+    public MainViewModel()
+    {
+        SelectFileCommand = new ActionCommand(SelectFile);
+    }
+
+    public string Content
+    {
+        get => _content;
+        private set => SetField(ref _content, value ?? string.Empty);
+    }
+
+    public string FilePath
+    {
+        get => _filePath;
+        private set
+        {
+            if (SetField(ref _filePath, value ?? string.Empty))
+                Content = BuildContent(_filePath);
+        }
+    }
+
+    public ICommand SelectFileCommand { get; }
+
+    public event PropertyChangedEventHandler? PropertyChanged;
+
+    private static string BuildContent(string filePath)
+    {
+        if (string.IsNullOrWhiteSpace(filePath) || !File.Exists(filePath))
+            return string.Empty;
+
+        try
+        {
+            var uri = new Uri(filePath);
+
+            var gtf = new GlyphTypeface(uri);
+
+            var sb = new StringBuilder();
+
+            var xHeight = gtf.XHeight;
+
+            sb.AppendLine($@"xHeight=""{xHeight}""");
+
+            foreach (var (code, index) in gtf.CharacterToGlyphMap)
+            {
+                if (code > 255)
+                    continue;
+
+                var geometry = gtf.GetGlyphOutline(index, 1, 0);
+                var depth = gtf.DistancesFromHorizontalBaselineToBlackBoxBottom[index];
+                var height = geometry.Bounds.Height - depth;
+                var width = gtf.AdvanceWidths[index];
+
+                if (!IsValid(depth) || !IsValid(height) || !IsValid(width))
+                    continue;
+
+                sb.Append(@$"<Char code=""{code}"" width=""{width:F3}"" height=""{height:F3}"" ");
+                if (depth != 0)
+                    sb.Append(@$"depth=""{depth:F3}"" ");
+
+                sb.AppendLine("/>");
+            }
+
+            return sb.ToString();
+        }
+        catch (Exception e)
+        {
+            return $"Error: {e.Message}";
+        }
+    }
+
+    private static bool IsValid(double d) => !double.IsInfinity(d) && !double.IsNaN(d);
+
+    private void SelectFile()
+    {
+        var ofd = new OpenFileDialog { Filter = "TTF file (*.tff)|*.ttf|All files (*.*)|*.*" };
+
+        if (ofd.ShowDialog() is true)
+            FilePath = ofd.FileName;
+    }
+
+    private bool SetField<T>(ref T field, T value, [CallerMemberName] string? propertyName = null)
+    {
+        if (EqualityComparer<T>.Default.Equals(field, value))
+            return false;
+
+        field = value;
+        PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+        return true;
+    }
+}

src/Tools/TTFMetrics/MainWindow.xaml

@@ -0,0 +1,50 @@
+<Window x:Class="TTFMetrics.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:TTFMetrics"
+        mc:Ignorable="d"
+        Title="TTFMetrics" Height="450" Width="800">
+
+    <Window.DataContext>
+        <local:MainViewModel />
+    </Window.DataContext>
+
+    <Grid>
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition Width="Auto" />
+            <ColumnDefinition Width="*" />
+        </Grid.ColumnDefinitions>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="*" />
+        </Grid.RowDefinitions>
+
+        <Button Grid.Column="0"
+                Grid.Row="0"
+                Command="{Binding SelectFileCommand, Mode=OneTime}"
+                Content="Select file..."
+                Margin="3"
+                Padding="4 2"/>
+
+        <TextBox Grid.Column="1"
+                 Grid.Row="0"
+                 IsReadOnly="True"
+                 Margin="3"
+                 Text="{Binding FilePath, Mode=OneWay}"
+                 VerticalAlignment="Stretch"
+                 VerticalContentAlignment="Center" />
+
+        <TextBox Grid.Column="0"
+                 Grid.ColumnSpan="2"
+                 Grid.Row="1"
+                 AcceptsReturn="True"
+                 HorizontalAlignment="Stretch"
+                 IsReadOnly="True"
+                 Margin="5"
+                 ScrollViewer.VerticalScrollBarVisibility="Auto"
+                 Text="{Binding Content, Mode=OneWay}"
+                 VerticalAlignment="Stretch" />
+    </Grid>
+</Window>

src/Tools/TTFMetrics/MainWindow.xaml.cs

@@ -0,0 +1,13 @@
+using System.Globalization;
+
+namespace TTFMetrics;
+
+public partial class MainWindow
+{
+    public MainWindow()
+    {
+        CultureInfo.CurrentCulture = CultureInfo.InvariantCulture;
+
+        InitializeComponent();
+    }
+}

src/Tools/TTFMetrics/TTFMetrics.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net7.0-windows</TargetFramework>
+    <Nullable>enable</Nullable>
+    <UseWPF>true</UseWPF>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Xaml.Behaviors.Wpf" Version="1.1.39" />
+  </ItemGroup>
+
+</Project>

src/WpfMath.Example/MainViewModel.cs

@@ -36,7 +36,42 @@ public MainViewModel()
             new ("Cases", @"f(x) = \cases{1/3 & \mathrm{if} \thinspace 0\le x\le 1;\cr 2/3 & \mathrm{if} \thinspace 3\le x \le 4; \cr 0 & \mathrm{elsewhere.}\cr}"),
             new ("Matrix and new lines", @"v \times w = \left( \matrix{v_2 w_3 - v_3 w_2 \\ v_3 w_1 - v_1 w_3 \\ v_1 w_2 - v_2 w_1} \right) \\ \matrix{\mathrm{where} & v= \left(\matrix{ v_1 \\ v_2 \\ v_3 }\right), \\ & w= \left( \matrix{w_1 \\ w_2  \\ w_3} \right)}"),
             new ("Big matrix", @"\Gamma_{\mu \rho} ^{\sigma}= \pmatrix{\pmatrix{0 & 0 & 0 \\ 0 & -r & 0 \\ 0 & 0 & -r \sin^2(\theta)} \\ \pmatrix{0 & \frac{1}{r} & 0 \\ \frac{1}{r} & 0 & 0 \\ 0 & 0 & -\sin(\theta) \cos(\theta)} \\ \pmatrix{0 & 0 & \frac{1}{r} \\ 0 & 0 & \frac{1}{\tan(\theta)} \\ \frac{1}{r} & \frac{1}{\tan(\theta)} & 0 }}"),
-            new ("Environment with Matrix", @"\begin{pmatrix} a_1 & a_2 & a_3 \\ b_1 & b_2 & b_3 \\ c_1 & c_2 & c_3 \end{pmatrix}")
+            new ("Environment with Matrix", @"\begin{pmatrix} a_1 & a_2 & a_3 \\ b_1 & b_2 & b_3 \\ c_1 & c_2 & c_3 \end{pmatrix}"),
+            new ("Font jlm_msam10", @"\matrix{
+   \rightleftharpoons   & \angle                & \sqsubset             & \sqsupset
+&  \Box                 & \Diamond              & \leadsto              & \lhd
+&  \unlhd               & \rhd                  & \unrhd                & \boxdot
+&  \boxplus             & \boxtimes             & \square               & \blacksquare
+\\ \centerdot           & \lozenge              & \blacklozenge         & \circlearrowright
+&  \circlearrowleft     & \leftrightharpoons    & \boxminus             & \Vdash
+&  \Vvdash              & \vDash                & \twoheadrightarrow    & \twoheadleftarrow
+&  \leftleftarrows      & \rightrightarrows     & \upuparrows           & \downdownarrows
+\\ \upharpoonright      & \downharpoonright     & \upharpoonleft        & \downharpoonleft
+&  \rightarrowtail      & \leftarrowtail        & \leftrightarrows      & \rightleftarrows
+&  \Lsh                 & \Rsh                  & \rightsquigarrow      & \leftrightsquigarrow
+&  \looparrowleft       & \looparrowright       & \circeq               & \succsim
+\\ \gtrsim              & \gtrapprox            & \multimap             & \therefore
+&  \because             & \doteqdot             & \triangleq            & \precsim
+&  \lesssim             & \lessapprox           & \eqslantless          & \eqslantgtr
+&  \curlyeqprec         & \curlyeqsucc          & \preccurlyeq          & \leqq
+\\ \leqslant            & \lessgtr              & \backprime            & \risingdotseq
+&  \fallingdotseq       & \succcurlyeq          & \geqq                 & \geqslant
+&  \gtrless             & \vartriangleright     & \vartriangleleft      & \trianglerighteq
+&  \trianglelefteq      & \bigstar              & \between              & \blacktriangledown
+\\ \blacktriangleright  & \blacktriangleleft    & \vartriangle          & \blacktriangle
+&  \triangledown        & \eqcirc               & \lesseqgtr            & \gtreqless
+&  \lesseqqgtr          & \gtreqqless           & \yen                  & \Rrightarrow
+&  \Lleftarrow          & \checkmark            & \veebar               & \barwedge
+\\ \doublebarwedge      & \measuredangle        & \sphericalangle       & \varpropto
+&  \smallsmile          & \smallfrown           & \Subset               & \Supset
+&  \Cup                 & \Cap                  & \curlywedge           & \curlyvee
+&  \leftthreetimes      & \rightthreetimes      & \subseteqq            & \supseteqq
+\\ \bumpeq              & \Bumpeq               & \lll                  & \ggg
+&  \ulcorner            & \urcorner             & \textregistered       & \circledS
+&  \pitchfork           & \dotplus              & \backsim              & \backsimeq
+&  \llcorner            & \lrcorner             & \maltese              & \complement
+\\ \intercal            & \circledcirc          & \circledast           & \circleddash
+}")
         };
 
         _formula = Presets[0].Formula;

src/WpfMath.Example/MainWindow.xaml

@@ -47,9 +47,12 @@
             <TextBox Name="InputTextBox"
                      AcceptsReturn="True"
                      BorderThickness="0"
+                     FontFamily="Consolas"
+                     HorizontalScrollBarVisibility="Auto"
                      Margin="3"
                      SelectionChanged="OnSelectionChanged"
-                     Text="{Binding Formula, UpdateSourceTrigger=PropertyChanged}" />
+                     Text="{Binding Formula, UpdateSourceTrigger=PropertyChanged}"
+                     VerticalScrollBarVisibility="Auto" />
         </GroupBox>
 
         <Label Grid.Column="1"