Add support for Portable Bitmap images

.gitattributes

@@ -87,15 +87,13 @@
 *.eot               binary
 *.exe               binary
 *.otf               binary
-*.pbm               binary
 *.pdf               binary
 *.ppt               binary
 *.pptx              binary
 *.pvr               binary
 *.snk               binary
 *.ttc               binary
 *.ttf               binary
-*.wbmp              binary
 *.woff              binary
 *.woff2             binary
 *.xls               binary
@@ -126,3 +124,9 @@
 *.dds               filter=lfs diff=lfs merge=lfs -text
 *.ktx               filter=lfs diff=lfs merge=lfs -text
 *.ktx2              filter=lfs diff=lfs merge=lfs -text
+*.pam               filter=lfs diff=lfs merge=lfs -text
+*.pbm               filter=lfs diff=lfs merge=lfs -text
+*.pgm               filter=lfs diff=lfs merge=lfs -text
+*.ppm               filter=lfs diff=lfs merge=lfs -text
+*.pnm               filter=lfs diff=lfs merge=lfs -text
+*.wbmp              filter=lfs diff=lfs merge=lfs -text

src/ImageSharp/Advanced/AotCompilerTools.cs

@@ -10,6 +10,7 @@
 using SixLabors.ImageSharp.Formats.Gif;
 using SixLabors.ImageSharp.Formats.Jpeg;
 using SixLabors.ImageSharp.Formats.Jpeg.Components;
+using SixLabors.ImageSharp.Formats.Pbm;
 using SixLabors.ImageSharp.Formats.Png;
 using SixLabors.ImageSharp.Formats.Tga;
 using SixLabors.ImageSharp.Formats.Tiff;
@@ -200,6 +201,7 @@ private static void AotCompileImageEncoderInternals<TPixel>()
             default(BmpEncoderCore).Encode<TPixel>(default, default, default);
             default(GifEncoderCore).Encode<TPixel>(default, default, default);
             default(JpegEncoderCore).Encode<TPixel>(default, default, default);
+            default(PbmEncoderCore).Encode<TPixel>(default, default, default);
             default(PngEncoderCore).Encode<TPixel>(default, default, default);
             default(TgaEncoderCore).Encode<TPixel>(default, default, default);
             default(TiffEncoderCore).Encode<TPixel>(default, default, default);
@@ -217,6 +219,7 @@ private static void AotCompileImageDecoderInternals<TPixel>()
             default(BmpDecoderCore).Decode<TPixel>(default, default, default);
             default(GifDecoderCore).Decode<TPixel>(default, default, default);
             default(JpegDecoderCore).Decode<TPixel>(default, default, default);
+            default(PbmDecoderCore).Decode<TPixel>(default, default, default);
             default(PngDecoderCore).Decode<TPixel>(default, default, default);
             default(TgaDecoderCore).Decode<TPixel>(default, default, default);
             default(TiffDecoderCore).Decode<TPixel>(default, default, default);
@@ -234,6 +237,7 @@ private static void AotCompileImageEncoders<TPixel>()
             AotCompileImageEncoder<TPixel, BmpEncoder>();
             AotCompileImageEncoder<TPixel, GifEncoder>();
             AotCompileImageEncoder<TPixel, JpegEncoder>();
+            AotCompileImageEncoder<TPixel, PbmEncoder>();
             AotCompileImageEncoder<TPixel, PngEncoder>();
             AotCompileImageEncoder<TPixel, TgaEncoder>();
             AotCompileImageEncoder<TPixel, TiffEncoder>();
@@ -251,6 +255,7 @@ private static void AotCompileImageDecoders<TPixel>()
             AotCompileImageDecoder<TPixel, BmpDecoder>();
             AotCompileImageDecoder<TPixel, GifDecoder>();
             AotCompileImageDecoder<TPixel, JpegDecoder>();
+            AotCompileImageDecoder<TPixel, PbmDecoder>();
             AotCompileImageDecoder<TPixel, PngDecoder>();
             AotCompileImageDecoder<TPixel, TgaDecoder>();
             AotCompileImageDecoder<TPixel, TiffDecoder>();

src/ImageSharp/Configuration.cs

@@ -8,6 +8,7 @@
 using SixLabors.ImageSharp.Formats.Bmp;
 using SixLabors.ImageSharp.Formats.Gif;
 using SixLabors.ImageSharp.Formats.Jpeg;
+using SixLabors.ImageSharp.Formats.Pbm;
 using SixLabors.ImageSharp.Formats.Png;
 using SixLabors.ImageSharp.Formats.Tga;
 using SixLabors.ImageSharp.Formats.Tiff;
@@ -178,6 +179,7 @@ public void Configure(IConfigurationModule configuration)
         /// <see cref="JpegConfigurationModule"/>
         /// <see cref="GifConfigurationModule"/>
         /// <see cref="BmpConfigurationModule"/>.
+        /// <see cref="PbmConfigurationModule"/>.
         /// <see cref="TgaConfigurationModule"/>.
         /// <see cref="TiffConfigurationModule"/>.
         /// <see cref="WebpConfigurationModule"/>.
@@ -188,6 +190,7 @@ public void Configure(IConfigurationModule configuration)
                 new JpegConfigurationModule(),
                 new GifConfigurationModule(),
                 new BmpConfigurationModule(),
+                new PbmConfigurationModule(),
                 new TgaConfigurationModule(),
                 new TiffConfigurationModule(),
                 new WebpConfigurationModule());

src/ImageSharp/Formats/ImageExtensions.Save.cs

@@ -10,6 +10,7 @@
 using SixLabors.ImageSharp.Formats.Bmp;
 using SixLabors.ImageSharp.Formats.Gif;
 using SixLabors.ImageSharp.Formats.Jpeg;
+using SixLabors.ImageSharp.Formats.Pbm;
 using SixLabors.ImageSharp.Formats.Png;
 using SixLabors.ImageSharp.Formats.Tga;
 using SixLabors.ImageSharp.Formats.Webp;
@@ -331,6 +332,109 @@ public static Task SaveAsJpegAsync(this Image source, Stream stream, JpegEncoder
                 encoder ?? source.GetConfiguration().ImageFormatsManager.FindEncoder(JpegFormat.Instance),
                 cancellationToken);
 
+        /// <summary>
+        /// Saves the image to the given stream with the Pbm format.
+        /// </summary>
+        /// <param name="source">The image this method extends.</param>
+        /// <param name="path">The file path to save the image to.</param>
+        /// <exception cref="System.ArgumentNullException">Thrown if the path is null.</exception>
+        public static void SaveAsPbm(this Image source, string path) => SaveAsPbm(source, path, null);
+
+        /// <summary>
+        /// Saves the image to the given stream with the Pbm format.
+        /// </summary>
+        /// <param name="source">The image this method extends.</param>
+        /// <param name="path">The file path to save the image to.</param>
+        /// <exception cref="System.ArgumentNullException">Thrown if the path is null.</exception>
+        /// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
+        public static Task SaveAsPbmAsync(this Image source, string path) => SaveAsPbmAsync(source, path, null);
+
+        /// <summary>
+        /// Saves the image to the given stream with the Pbm format.
+        /// </summary>
+        /// <param name="source">The image this method extends.</param>
+        /// <param name="path">The file path to save the image to.</param>
+        /// <param name="cancellationToken">The token to monitor for cancellation requests.</param>
+        /// <exception cref="System.ArgumentNullException">Thrown if the path is null.</exception>
+        /// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
+        public static Task SaveAsPbmAsync(this Image source, string path, CancellationToken cancellationToken)
+            => SaveAsPbmAsync(source, path, null, cancellationToken);
+
+        /// <summary>
+        /// Saves the image to the given stream with the Pbm format.
+        /// </summary>
+        /// <param name="source">The image this method extends.</param>
+        /// <param name="path">The file path to save the image to.</param>
+        /// <param name="encoder">The encoder to save the image with.</param>
+        /// <exception cref="System.ArgumentNullException">Thrown if the path is null.</exception>
+        public static void SaveAsPbm(this Image source, string path, PbmEncoder encoder) =>
+            source.Save(
+                path,
+                encoder ?? source.GetConfiguration().ImageFormatsManager.FindEncoder(PbmFormat.Instance));
+
+        /// <summary>
+        /// Saves the image to the given stream with the Pbm format.
+        /// </summary>
+        /// <param name="source">The image this method extends.</param>
+        /// <param name="path">The file path to save the image to.</param>
+        /// <param name="encoder">The encoder to save the image with.</param>
+        /// <param name="cancellationToken">The token to monitor for cancellation requests.</param>
+        /// <exception cref="System.ArgumentNullException">Thrown if the path is null.</exception>
+        /// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
+        public static Task SaveAsPbmAsync(this Image source, string path, PbmEncoder encoder, CancellationToken cancellationToken = default) =>
+            source.SaveAsync(
+                path,
+                encoder ?? source.GetConfiguration().ImageFormatsManager.FindEncoder(PbmFormat.Instance),
+                cancellationToken);
+
+        /// <summary>
+        /// Saves the image to the given stream with the Pbm format.
+        /// </summary>
+        /// <param name="source">The image this method extends.</param>
+        /// <param name="stream">The stream to save the image to.</param>
+        /// <exception cref="System.ArgumentNullException">Thrown if the stream is null.</exception>
+        public static void SaveAsPbm(this Image source, Stream stream)
+            => SaveAsPbm(source, stream, null);
+
+        /// <summary>
+        /// Saves the image to the given stream with the Pbm format.
+        /// </summary>
+        /// <param name="source">The image this method extends.</param>
+        /// <param name="stream">The stream to save the image to.</param>
+        /// <param name="cancellationToken">The token to monitor for cancellation requests.</param>
+        /// <exception cref="System.ArgumentNullException">Thrown if the stream is null.</exception>
+        /// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
+        public static Task SaveAsPbmAsync(this Image source, Stream stream, CancellationToken cancellationToken = default)
+            => SaveAsPbmAsync(source, stream, null, cancellationToken);
+
+        /// <summary>
+        /// Saves the image to the given stream with the Pbm format.
+        /// </summary>
+        /// <param name="source">The image this method extends.</param>
+        /// <param name="stream">The stream to save the image to.</param>
+        /// <param name="encoder">The encoder to save the image with.</param>
+        /// <exception cref="System.ArgumentNullException">Thrown if the stream is null.</exception>
+        /// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
+        public static void SaveAsPbm(this Image source, Stream stream, PbmEncoder encoder)
+            => source.Save(
+                stream,
+                encoder ?? source.GetConfiguration().ImageFormatsManager.FindEncoder(PbmFormat.Instance));
+
+        /// <summary>
+        /// Saves the image to the given stream with the Pbm format.
+        /// </summary>
+        /// <param name="source">The image this method extends.</param>
+        /// <param name="stream">The stream to save the image to.</param>
+        /// <param name="encoder">The encoder to save the image with.</param>
+        /// <param name="cancellationToken">The token to monitor for cancellation requests.</param>
+        /// <exception cref="System.ArgumentNullException">Thrown if the stream is null.</exception>
+        /// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
+        public static Task SaveAsPbmAsync(this Image source, Stream stream, PbmEncoder encoder, CancellationToken cancellationToken = default) =>
+            source.SaveAsync(
+                stream,
+                encoder ?? source.GetConfiguration().ImageFormatsManager.FindEncoder(PbmFormat.Instance),
+                cancellationToken);
+
         /// <summary>
         /// Saves the image to the given stream with the Png format.
         /// </summary>

src/ImageSharp/Formats/ImageExtensions.Save.tt

@@ -15,6 +15,7 @@ using SixLabors.ImageSharp.Advanced;
         "Bmp",
         "Gif",
         "Jpeg",
+        "Pbm",
         "Png",
         "Tga",
         "Webp",