Thread safety fixes and text rendering improvements

- Renamed some long name folders
- Added support for textArea element for Tiny 1.2 specs
- WPF Rendering: Fixed thread safety issues as reported in #115
- Added WpfTestThreadSafety to test threading support. Codes by @astarche @atmgrifter00

Samples/WpfSvgTestBox/DebugPage.xaml

@@ -3,12 +3,17 @@
       xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
       xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
       xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
+      xmlns:avalonEdit="http://icsharpcode.net/sharpdevelop/avalonedit"
       xmlns:local="clr-namespace:WpfSvgTestBox"
       mc:Ignorable="d" 
       d:DesignHeight="450" d:DesignWidth="800" Title="DebugPage">
     <DockPanel LastChildFill="True">
-        <RichTextBox x:Name="debugBox" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Margin="10"  IsReadOnly="True" AllowDrop="False" VerticalScrollBarVisibility="Auto" IsUndoEnabled="False" HorizontalScrollBarVisibility="Auto">
+        <!--<RichTextBox x:Name="debugBox" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Margin="10"  
+                     IsReadOnly="True" AllowDrop="False" VerticalScrollBarVisibility="Auto" 
+                     IsUndoEnabled="False" HorizontalScrollBarVisibility="Auto">
             <local:TraceDocument x:Name="traceDocument"/>
-        </RichTextBox>
+        </RichTextBox>-->
+
+        <avalonEdit:TextEditor x:Name="textEditor" FontFamily="Consolas" FontSize="12pt"/>
     </DockPanel>
 </Page>

Samples/WpfSvgTestBox/DebugPage.xaml.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Diagnostics;
 
 using System.Windows.Controls;
 
@@ -7,28 +8,77 @@ namespace WpfSvgTestBox
     /// <summary>
     /// Interaction logic for DebugPage.xaml
     /// </summary>
-    public partial class DebugPage : Page
+    public partial class DebugPage : Page, ITraceTextSink
     {
+        private delegate void AppendTextDelegate(string msg, string style);
+
+        private TraceListener _listener;
+
         public DebugPage()
         {
             InitializeComponent();
+
+            textEditor.IsReadOnly = true;
+
+            Trace.UseGlobalLock = true;
+
+            _listener = new TraceTextSource(this);
+            Trace.Listeners.Add(_listener);
         }
 
         public void Startup()
         {
-            if (traceDocument != null)
+            if (_listener == null)
             {
-                traceDocument.Startup();
+                _listener = new TraceTextSource(this);
+                Trace.Listeners.Add(_listener);
             }
+
+            Trace.WriteLine("Startup");
         }
 
         public void Shutdown()
         {
-            if (traceDocument != null)
+            Trace.WriteLine("Shutdown");
+            if (_listener != null)
             {
-                traceDocument.Shutdown();
+                Trace.Listeners.Remove(_listener);
+                _listener.Dispose();
+                _listener = null;
             }
         }
 
+        public void Event(string msg, TraceEventType eventType)
+        {
+            Append(msg, eventType.ToString());
+        }
+
+        public void Fail(string msg)
+        {
+            Append(msg, "Fail");
+        }
+
+        private void Append(string msg, string style)
+        {
+            if (Dispatcher.CheckAccess())
+            {
+                if (!this.IsLoaded)
+                {
+                    return;
+                }
+                if (string.IsNullOrWhiteSpace(style))
+                {
+                    textEditor.AppendText(msg + Environment.NewLine);
+                }
+                else
+                {
+                    textEditor.AppendText(style + ": " + msg + Environment.NewLine);
+                }
+            }
+            else
+            {
+                Dispatcher.Invoke(new AppendTextDelegate(Append), msg, style);
+            }
+        }
     }
 }

Samples/WpfTestThreadSafety/App.config

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+    <startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5.2" />
+    </startup>
+</configuration>

Samples/WpfTestThreadSafety/App.xaml

@@ -0,0 +1,9 @@
+<Application x:Class="WpfTestThreadSafety.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:WpfTestThreadSafety"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+
+    </Application.Resources>
+</Application>

Samples/WpfTestThreadSafety/App.xaml.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Configuration;
+using System.Data;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Windows;
+
+namespace WpfTestThreadSafety
+{
+    /// <summary>
+    /// Interaction logic for App.xaml
+    /// </summary>
+    public partial class App : Application
+    {
+    }
+}

Samples/WpfTestThreadSafety/MainWindow.xaml

@@ -0,0 +1,66 @@
+<Window x:Class="WpfTestThreadSafety.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:WpfTestThreadSafety"
+        mc:Ignorable="d"
+        Title="SharpVectors: WpfTestThreadSafety" Height="860" Width="900" WindowStartupLocation="CenterScreen" Closed="OnWindowClosed" Closing="OnWindowClosing" Loaded="OnWindowLoaded" Icon="App.ico">
+    <DockPanel LastChildFill="True" Margin="6">
+        <DockPanel LastChildFill="True" DockPanel.Dock="Top" HorizontalAlignment="Stretch">
+            <Label DockPanel.Dock="Left">Svg Files Source: </Label>
+            <Button x:Name="btnStart" Width="60" DockPanel.Dock="Right" Click="OnStartClick">Start</Button>
+            <TextBox x:Name="txtSvgSource" HorizontalAlignment="Stretch" Margin="4 0 4 0"></TextBox>
+        </DockPanel>
+        <DockPanel LastChildFill="True">
+            <CheckBox x:Name="chkVerbose" DockPanel.Dock="Top" HorizontalAlignment="Center" Margin="6">Verbose</CheckBox>
+            <TextBox x:Name="txtDebug" Margin="4" IsReadOnly="True" Height="150" HorizontalScrollBarVisibility="Auto" 
+                     VerticalScrollBarVisibility="Auto" Background="White" DockPanel.Dock="Bottom"></TextBox>
+
+            <ListView x:Name="ImageView" ItemsSource="{Binding Path=ImageList}" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" 
+                  Background="LightGray" ScrollViewer.HorizontalScrollBarVisibility="Disabled" VerticalContentAlignment="Center" Margin="4">
+                <ListView.ItemContainerStyle>
+                    <Style TargetType="{x:Type ListViewItem}">
+                        <Setter Property="Template">
+                            <Setter.Value>
+                                <ControlTemplate TargetType="{x:Type ListViewItem}">
+                                    <Border Background="White"
+                                            CornerRadius="8"
+                                            BorderThickness="6"
+                                            x:Name="IconBorder"
+                                            Margin="8,4,8,4" >
+                                        <ContentPresenter />
+                                    </Border>
+                                    <ControlTemplate.Triggers>
+                                        <Trigger Property="IsSelected" Value="true">
+                                            <Setter TargetName="IconBorder" Property="BitmapEffect">
+                                                <Setter.Value>
+                                                    <OuterGlowBitmapEffect GlowSize="10" GlowColor="DeepSkyBlue"/>
+                                                </Setter.Value>
+                                            </Setter>
+                                            <Setter TargetName="IconBorder" Property="BorderBrush" Value="DeepSkyBlue"/>
+                                            <Setter TargetName="IconBorder" Property="BorderThickness" Value="6"/>
+                                        </Trigger>
+                                    </ControlTemplate.Triggers>
+                                </ControlTemplate>
+                            </Setter.Value>
+                        </Setter>
+                    </Style>
+                </ListView.ItemContainerStyle>
+                <ItemsControl.ItemsPanel>
+                    <ItemsPanelTemplate>
+                        <WrapPanel Orientation="Horizontal"/>
+                    </ItemsPanelTemplate>
+                </ItemsControl.ItemsPanel>
+                <ListView.ItemTemplate>
+                    <DataTemplate>
+                        <StackPanel Margin="8,8,8,8" Orientation="Vertical" VerticalAlignment="Stretch" HorizontalAlignment="Stretch">
+                            <Image Source="{Binding Path=Image}" HorizontalAlignment="Center" VerticalAlignment="Center" Stretch="Uniform" Width="120" Height="120" />
+                            <TextBlock Text="{Binding Path=Name}" HorizontalAlignment="Center" VerticalAlignment="Center" Width="120" />
+                        </StackPanel>
+                    </DataTemplate>
+                </ListView.ItemTemplate>
+            </ListView>
+        </DockPanel>
+    </DockPanel>
+</Window>