Pilz/Pilz.UI.Telerik.SymbolFactory/SymbolFactory.cs

using System.Drawing;
using System.Reflection;
using Telerik.WinControls;

namespace Pilz.UI.Telerik;

public abstract class SymbolFactory<TSvgSymbols> where TSvgSymbols : Enum
{
    public abstract string GetSvgImageRessourcePath(TSvgSymbols svgImage);
    public abstract Assembly GetSvgImageResourceAssembly();

    protected virtual Size ResolveCommonSize(SvgImageSize size)
    {
        return size switch
        {
            SvgImageSize.Small => new Size(16, 16),
            SvgImageSize.Medium => new Size(20, 20),
            SvgImageSize.Large => new Size(32, 32),
            _ => Size.Empty,
        };
    }

    public virtual Stream? GetSvgImageRessourceStream(TSvgSymbols svgImage)
    {
        var asm = GetSvgImageResourceAssembly();
        var path = GetSvgImageRessourcePath(svgImage);
        return asm.GetManifestResourceStream(path);
    }

    public virtual RadSvgImage GetSvgImage(TSvgSymbols svgImage, SvgImageSize size)
    {
        return GetSvgImage(svgImage, ResolveCommonSize(size));
    }

    public virtual RadSvgImage GetSvgImage(TSvgSymbols svgImage, Size size)
    {
        using var stream = GetSvgImageRessourceStream(svgImage);
        var img = RadSvgImage.FromStream(stream);

        if (!size.IsEmpty)
            img.Size = size;

        return img;
    }

    public virtual RadSvgImage GetSvgImageColored(TSvgSymbols svgImage, SvgImageSize size, Color color)
    {
        return GetSvgImageColored(svgImage, ResolveCommonSize(size), color);
    }

    public virtual RadSvgImage GetSvgImageColored(TSvgSymbols svgImage, Size size, Color color)
    {
        var img = GetSvgImage(svgImage, size);
        img.ApplyColor(color);
        return img;
    }

    public virtual Image GetImage(TSvgSymbols svgImage, SvgImageSize size)
    {
        return GetImage(svgImage, ResolveCommonSize(size));
    }

    public virtual Image GetImage(TSvgSymbols svgImage, Size size)
    {
        return GetImageFromSvg(GetSvgImage(svgImage, size));
    }

    public virtual Image GetImageColored(TSvgSymbols svgImage, SvgImageSize size, Color color)
    {
        return GetImageColored(svgImage, ResolveCommonSize(size), color);
    }

    public virtual Image GetImageColored(TSvgSymbols svgImage, Size size, Color color)
    {
        return GetImageFromSvg(GetSvgImageColored(svgImage, size, color));
    }

    public virtual Image GetImageFromSvg(RadSvgImage svg)
    {
        return svg.ToImage();
    }
}