move Configuration to be fist paramater.

Configureatino should be first param to consistency with other apis

src/ImageSharp/Formats/Bmp/BmpDecoderCore.cs

@@ -127,7 +127,7 @@ namespace ImageSharp.Formats
                         + $"bigger then the max allowed size '{Image<TPixel>.MaxWidth}x{Image<TPixel>.MaxHeight}'");
                 }
 
-                Image<TPixel> image = new Image<TPixel>(this.infoHeader.Width, this.infoHeader.Height, this.configuration);
+                Image<TPixel> image = new Image<TPixel>(this.configuration, this.infoHeader.Width, this.infoHeader.Height);
                 using (PixelAccessor<TPixel> pixels = image.Lock())
                 {
                     switch (this.infoHeader.Compression)

src/ImageSharp/Formats/Gif/GifDecoderCore.cs

@@ -366,7 +366,7 @@ namespace ImageSharp.Formats
                 this.metaData.Quality = colorTableLength / 3;
 
                 // This initializes the image to become fully transparent because the alpha channel is zero.
-                this.image = new Image<TPixel>(imageWidth, imageHeight, this.metaData, this.configuration);
+                this.image = new Image<TPixel>(this.configuration, imageWidth, imageHeight, this.metaData);
 
                 this.SetFrameMetaData(this.metaData);
 

src/ImageSharp/Formats/Jpeg/JpegDecoderCore.cs

@@ -482,7 +482,7 @@ namespace ImageSharp.Formats
         private Image<TPixel> ConvertJpegPixelsToImagePixels<TPixel>(ImageMetaData metadata)
             where TPixel : struct, IPixel<TPixel>
         {
-            Image<TPixel> image = new Image<TPixel>(this.ImageWidth, this.ImageHeight, metadata, this.configuration);
+            Image<TPixel> image = new Image<TPixel>(this.configuration, this.ImageWidth, this.ImageHeight, metadata);
 
             if (this.grayImage.IsInitialized)
             {

src/ImageSharp/Formats/Png/PngDecoderCore.cs

@@ -335,7 +335,7 @@ namespace ImageSharp.Formats
                 throw new ArgumentOutOfRangeException($"The input png '{this.header.Width}x{this.header.Height}' is bigger than the max allowed size '{Image<TPixel>.MaxWidth}x{Image<TPixel>.MaxHeight}'");
             }
 
-            image = new Image<TPixel>(this.header.Width, this.header.Height, metadata, this.configuration);
+            image = new Image<TPixel>(this.configuration, this.header.Width, this.header.Height, metadata);
             pixels = image.Lock();
             this.bytesPerPixel = this.CalculateBytesPerPixel();
             this.bytesPerScanline = this.CalculateScanlineLength(this.header.Width) + 1;

src/ImageSharp/Image/ImageBase{TPixel}.cs

@@ -59,15 +59,15 @@ namespace ImageSharp
         /// <summary>
         /// Initializes a new instance of the <see cref="ImageBase{TPixel}"/> class.
         /// </summary>
-        /// <param name="width">The width of the image in pixels.</param>
-        /// <param name="height">The height of the image in pixels.</param>
         /// <param name="configuration">
         /// The configuration providing initialization code which allows extending the library.
         /// </param>
+        /// <param name="width">The width of the image in pixels.</param>
+        /// <param name="height">The height of the image in pixels.</param>
         /// <exception cref="ArgumentOutOfRangeException">
         /// Thrown if either <paramref name="width"/> or <paramref name="height"/> are less than or equal to 0.
         /// </exception>
-        protected ImageBase(int width, int height, Configuration configuration)
+        protected ImageBase(Configuration configuration, int width, int height)
             : this(configuration)
         {
             Guard.MustBeGreaterThan(width, 0, nameof(width));

src/ImageSharp/Image/ImageFrame{TPixel}.cs

@@ -26,7 +26,7 @@ namespace ImageSharp
         /// The configuration providing initialization code which allows extending the library.
         /// </param>
         public ImageFrame(int width, int height, Configuration configuration = null)
-            : base(width, height, configuration)
+            : base(configuration, width, height)
         {
         }
 

src/ImageSharp/Image/Image{TPixel}.cs

@@ -29,13 +29,13 @@ namespace ImageSharp
         /// Initializes a new instance of the <see cref="Image{TPixel}"/> class
         /// with the height and the width of the image.
         /// </summary>
-        /// <param name="width">The width of the image in pixels.</param>
-        /// <param name="height">The height of the image in pixels.</param>
         /// <param name="configuration">
         /// The configuration providing initialization code which allows extending the library.
         /// </param>
-        public Image(int width, int height, Configuration configuration)
-            : this(width, height, new ImageMetaData(), configuration)
+        /// <param name="width">The width of the image in pixels.</param>
+        /// <param name="height">The height of the image in pixels.</param>
+        public Image(Configuration configuration, int width, int height)
+            : this(configuration, width, height, new ImageMetaData())
         {
         }
 
@@ -46,7 +46,7 @@ namespace ImageSharp
         /// <param name="width">The width of the image in pixels.</param>
         /// <param name="height">The height of the image in pixels.</param>
         public Image(int width, int height)
-            : this(width, height, null)
+            : this(null, width, height)
         {
         }
 
@@ -85,14 +85,14 @@ namespace ImageSharp
         /// Initializes a new instance of the <see cref="Image{TPixel}"/> class
         /// with the height and the width of the image.
         /// </summary>
-        /// <param name="width">The width of the image in pixels.</param>
-        /// <param name="height">The height of the image in pixels.</param>
-        /// <param name="metadata">The images metadata.</param>
         /// <param name="configuration">
         /// The configuration providing initialization code which allows extending the library.
         /// </param>
-        internal Image(int width, int height, ImageMetaData metadata, Configuration configuration)
-            : base(width, height, configuration)
+        /// <param name="width">The width of the image in pixels.</param>
+        /// <param name="height">The height of the image in pixels.</param>
+        /// <param name="metadata">The images metadata.</param>
+        internal Image(Configuration configuration, int width, int height, ImageMetaData metadata)
+            : base(configuration, width, height)
         {
             if (!this.Configuration.ImageFormats.Any())
             {
@@ -359,7 +359,7 @@ namespace ImageSharp
         {
             scaleFunc = PackedPixelConverterHelper.ComputeScaleFunction<TPixel, TPixel2>(scaleFunc);
 
-            Image<TPixel2> target = new Image<TPixel2>(this.Width, this.Height, this.Configuration);
+            Image<TPixel2> target = new Image<TPixel2>(this.Configuration, this.Width, this.Height);
             target.CopyProperties(this);
 
             using (PixelAccessor<TPixel> pixels = this.Lock())

tests/ImageSharp.Tests/Drawing/Paths/ProcessorWatchingImage.cs

@@ -17,7 +17,7 @@ namespace ImageSharp.Tests.Drawing.Paths
         public List<ProcessorDetails> ProcessorApplications { get; } = new List<ProcessorDetails>();
         
         public ProcessorWatchingImage(int width, int height)
-           : base(width, height, Configuration.CreateDefaultInstance())
+           : base(Configuration.CreateDefaultInstance(), width, height)
         {
         }
 

tests/ImageSharp.Tests/Drawing/SolidPolygonTests.cs

@@ -217,7 +217,7 @@ namespace ImageSharp.Tests.Drawing
 
             Configuration config = Configuration.CreateDefaultInstance();
             config.ParallelOptions.MaxDegreeOfParallelism = 1;
-            using (Image<Rgba32> image = new Image<Rgba32>(100, 100, config))
+            using (Image<Rgba32> image = new Image<Rgba32>(config, 100, 100))
             {
                 using (FileStream output = File.OpenWrite($"{path}/Septagon.png"))
                 {
@@ -236,7 +236,7 @@ namespace ImageSharp.Tests.Drawing
 
             Configuration config = Configuration.CreateDefaultInstance();
             config.ParallelOptions.MaxDegreeOfParallelism = 1;
-            using (Image<Rgba32> image = new Image<Rgba32>(100, 100, config))
+            using (Image<Rgba32> image = new Image<Rgba32>(config, 100, 100))
             {
                 using (FileStream output = File.OpenWrite($"{path}/ellipse.png"))
                 {
@@ -256,7 +256,7 @@ namespace ImageSharp.Tests.Drawing
 
             Configuration config = Configuration.CreateDefaultInstance();
             config.ParallelOptions.MaxDegreeOfParallelism = 1;
-            using (Image<Rgba32> image = new Image<Rgba32>(200, 200, config))
+            using (Image<Rgba32> image = new Image<Rgba32>(config, 200, 200))
             {
                 using (FileStream output = File.OpenWrite($"{path}/clipped-corner.png"))
                 {

tests/ImageSharp.Tests/Image/ImageSaveTests.cs

@@ -49,9 +49,10 @@ namespace ImageSharp.Tests
 
             this.fileSystem = new Mock<IFileSystem>();
             this.encoderOptions = new Mock<IEncoderOptions>().Object;
-            this.Image = new Image<Rgba32>(1, 1, new Configuration(this.format.Object) {
+            this.Image = new Image<Rgba32>(new Configuration(this.format.Object)
+            {
                 FileSystem = this.fileSystem.Object
-            });
+            }, 1, 1);
         }
 
         [Fact]