add Pilz.UI & Pilz.UI.Gtk

Pilz.UI/Pilz.UI.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
+  </PropertyGroup>
+
+  <PropertyGroup>
+    <Version>3.0.0</Version>
+  </PropertyGroup>
+  
+</Project>

Pilz.UI/Symbols/BaseSymbolFactory.cs

@@ -0,0 +1,29 @@
+using System.Drawing;
+using System.Reflection;
+
+namespace Pilz.UI.Symbols;
+
+public abstract class BaseSymbolFactory<TSymbols> : IBaseSymbolFactory<TSymbols>
+{
+    public abstract string GetImageRessourcePath(TSymbols svgImage);
+    public abstract Assembly GetImageResourceAssembly();
+
+    protected virtual Size ResolveCommonSize(SymbolSize size)
+    {
+        return size switch
+        {
+            SymbolSize.Default => Size.Empty,
+            SymbolSize.Small => new Size(16, 16),
+            SymbolSize.Medium => new Size(20, 20),
+            SymbolSize.Large => new Size(32, 32),
+            _ => new Size((int)size, (int)size),
+        };
+    }
+
+    public virtual Stream? GetImageRessourceStream(TSymbols svgImage)
+    {
+        var asm = GetImageResourceAssembly();
+        var path = GetImageRessourcePath(svgImage);
+        return asm.GetManifestResourceStream(path);
+    }
+}

Pilz.UI/Symbols/IBaseSymbolFactory.cs

@@ -0,0 +1,9 @@
+using System.Reflection;
+
+namespace Pilz.UI.Symbols;
+public interface IBaseSymbolFactory<TSymbols>
+{
+    Assembly GetImageResourceAssembly();
+    string GetImageRessourcePath(TSymbols svgImage);
+    Stream? GetImageRessourceStream(TSymbols svgImage);
+}

Pilz.UI/Symbols/SymbolSize.cs

@@ -0,0 +1,72 @@
+namespace Pilz.UI.Symbols;
+
+public enum SymbolSize
+{
+    /// <summary>
+    /// Don't resize and just returns the original size.
+    /// </summary>
+    Default,
+    /// <summary>
+    /// Resizes the symbol to 16 x 16 pixels.
+    /// <br/><b>Deprecated!</b> This is just present due legacy reasons. Use <see cref="x16"/> instead.
+    /// </summary>
+    Small,
+    /// <summary>
+    /// Resizes the symbol to 20 x 20 pixels.
+    /// <br/><b>Deprecated!</b> This is just present due legacy reasons. Use <see cref="x20"/> instead.
+    /// </summary>
+    Medium,
+    /// <summary>
+    /// Resizes the symbol to 32 x 32 pixels.
+    /// <br/><b>Deprecated!</b> This is just present due legacy reasons. Use <see cref="x32"/> instead.
+    /// </summary>
+    Large,
+    /// <summary>
+    /// Resizes the symbol to 8 x 8 pixels.
+    /// </summary>
+    x8 = 8,
+    /// <summary>
+    /// Resizes the symbol to 12 x 12 pixels.
+    /// </summary>
+    x12 = 12,
+    /// <summary>
+    /// Resizes the symbol to 16 x 16 pixels.
+    /// </summary>
+    x16 = 16,
+    /// <summary>
+    /// Resizes the symbol to 20 x 20 pixels.
+    /// </summary>
+    x20 = 20,
+    /// <summary>
+    /// Resizes the symbol to 32 x 32 pixels.
+    /// </summary>
+    x32 = 32,
+    /// <summary>
+    /// Resizes the symbol to 48 x 48 pixels.
+    /// </summary>
+    x48 = 48,
+    /// <summary>
+    /// Resizes the symbol to 64 x 64 pixels.
+    /// </summary>
+    x64 = 64,
+    /// <summary>
+    /// Resizes the symbol to 96 x 96 pixels.
+    /// </summary>
+    x96 = 96,
+    /// <summary>
+    /// Resizes the symbol to 128 x 128 pixels.
+    /// </summary>
+    x128 = 128,
+    /// <summary>
+    /// Resizes the symbol to 192 x 192 pixels.
+    /// </summary>
+    x192 = 192,
+    /// <summary>
+    /// Resizes the symbol to 256 x 256 pixels.
+    /// </summary>
+    x256 = 256,
+    /// <summary>
+    /// Resizes the symbol to 512 x 512 pixels.
+    /// </summary>
+    x512 = 512,
+}