using Pilz.UI.Symbols;

namespace Pilz.UI.WinForms.Symbols;

public abstract class SymbolFactory<TSymbols> : BaseSymbolFactory<TSymbols>, ISymbolFactory<TSymbols>
{
    public virtual Image? GetImage(TSymbols svgImage, SymbolSize size)
    {
        return GetImage(svgImage, ResolveCommonSize(size));
    }

    public virtual Image? GetImage(TSymbols svgImage, Size size)
    {
        using var stream = GetImageRessourceStream(svgImage);

        if (stream is null)
            return null;

        var img = Image.FromStream(stream);

        if (!size.IsEmpty)
        {
            var img2 = new Bitmap(size.Width, size.Height);
            using var g = Graphics.FromImage(img2);
            g.DrawImage(img2, 0, 0, size.Width, size.Height);
            img.Dispose();
            img = img2;
        }

        return img;
    }
}