Renamed pixel dimensions for JpegFrame

src/ImageSharp/Formats/Jpeg/Components/Decoder/JpegComponent.cs

@@ -109,10 +109,10 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components.Decoder
         public void Init()
         {
             this.WidthInBlocks = (int)MathF.Ceiling(
-                MathF.Ceiling(this.Frame.SamplesPerLine / 8F) * this.HorizontalSamplingFactor / this.Frame.MaxHorizontalFactor);
+                MathF.Ceiling(this.Frame.PixelWidth / 8F) * this.HorizontalSamplingFactor / this.Frame.MaxHorizontalFactor);
 
             this.HeightInBlocks = (int)MathF.Ceiling(
-                MathF.Ceiling(this.Frame.Scanlines / 8F) * this.VerticalSamplingFactor / this.Frame.MaxVerticalFactor);
+                MathF.Ceiling(this.Frame.PixelHeight / 8F) * this.VerticalSamplingFactor / this.Frame.MaxVerticalFactor);
 
             int blocksPerLineForMcu = this.Frame.McusPerLine * this.HorizontalSamplingFactor;
             int blocksPerColumnForMcu = this.Frame.McusPerColumn * this.VerticalSamplingFactor;

src/ImageSharp/Formats/Jpeg/Components/Decoder/JpegFrame.cs

@@ -28,12 +28,12 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components.Decoder
         /// <summary>
         /// Gets or sets the number of scanlines within the frame.
         /// </summary>
-        public int Scanlines { get; set; }
+        public int PixelHeight { get; set; }
 
         /// <summary>
         /// Gets or sets the number of samples per scanline.
         /// </summary>
-        public int SamplesPerLine { get; set; }
+        public int PixelWidth { get; set; }
 
         /// <summary>
         /// Gets or sets the number of components within a frame. In progressive frames this value can range from only 1 to 4.
@@ -95,8 +95,8 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components.Decoder
         /// </summary>
         public void InitComponents()
         {
-            this.McusPerLine = (int)MathF.Ceiling(this.SamplesPerLine / 8F / this.MaxHorizontalFactor);
+            this.McusPerLine = (int)MathF.Ceiling(this.PixelWidth / 8F / this.MaxHorizontalFactor);
-            this.McusPerColumn = (int)MathF.Ceiling(this.Scanlines / 8F / this.MaxVerticalFactor);
+            this.McusPerColumn = (int)MathF.Ceiling(this.PixelHeight / 8F / this.MaxVerticalFactor);
 
             for (int i = 0; i < this.ComponentCount; i++)
             {

src/ImageSharp/Formats/Jpeg/JpegDecoderCore.cs

@@ -852,17 +852,17 @@ namespace SixLabors.ImageSharp.Formats.Jpeg
                 Extended = frameMarker.Marker == JpegConstants.Markers.SOF1,
                 Progressive = frameMarker.Marker == JpegConstants.Markers.SOF2,
                 Precision = this.temp[0],
-                Scanlines = (this.temp[1] << 8) | this.temp[2],
+                PixelHeight = (this.temp[1] << 8) | this.temp[2],
-                SamplesPerLine = (this.temp[3] << 8) | this.temp[4],
+                PixelWidth = (this.temp[3] << 8) | this.temp[4],
                 ComponentCount = this.temp[5]
             };
 
-            if (this.Frame.SamplesPerLine == 0 || this.Frame.Scanlines == 0)
+            if (this.Frame.PixelWidth == 0 || this.Frame.PixelHeight == 0)
             {
-                JpegThrowHelper.ThrowInvalidImageDimensions(this.Frame.SamplesPerLine, this.Frame.Scanlines);
+                JpegThrowHelper.ThrowInvalidImageDimensions(this.Frame.PixelWidth, this.Frame.PixelHeight);
             }
 
-            this.ImageSizeInPixels = new Size(this.Frame.SamplesPerLine, this.Frame.Scanlines);
+            this.ImageSizeInPixels = new Size(this.Frame.PixelWidth, this.Frame.PixelHeight);
             this.ComponentCount = this.Frame.ComponentCount;
 
             if (!metadataOnly)