// Copyright (c) Six Labors and contributors.
// Licensed under the Apache License, Version 2.0.

using System.IO;
using SixLabors.ImageSharp.PixelFormats;

namespace SixLabors.ImageSharp.Formats.Tga
{
    /// <summary>
    /// Image decoder for Truevision TGA images.
    /// </summary>
    public sealed class TgaDecoder : IImageDecoder, ITgaDecoderOptions, IImageInfoDetector
    {
        /// <inheritdoc/>
        public Image<TPixel> Decode<TPixel>(Configuration configuration, Stream stream)
            where TPixel : struct, IPixel<TPixel>
        {
            Guard.NotNull(stream, nameof(stream));

            return new TgaDecoderCore(configuration, this).Decode<TPixel>(stream);
        }

        /// <inheritdoc />
        public Image Decode(Configuration configuration, Stream stream) => this.Decode<Rgba32>(configuration, stream);

        /// <inheritdoc/>
        public IImageInfo Identify(Configuration configuration, Stream stream)
        {
            Guard.NotNull(stream, nameof(stream));

            return new TgaDecoderCore(configuration, this).Identify(stream);
        }
    }
}