Use new pixel packing methods

src/ImageSharp/Formats/Tiff/PhotometricInterpretation/BlackIsZero1TiffColor.cs

@@ -44,7 +44,7 @@ namespace ImageSharp.Formats.Tiff
                     {
                         int bit = (b >> (7 - shift)) & 1;
                         byte intensity = (bit == 1) ? (byte)255 : (byte)0;
-                        color.PackFromBytes(intensity, intensity, intensity, 255);
+                        color.PackFromRgba32(new Rgba32(intensity, intensity, intensity, 255));
                         pixels[x + shift, y] = color;
                     }
                 }

src/ImageSharp/Formats/Tiff/PhotometricInterpretation/BlackIsZero4TiffColor.cs

@@ -40,11 +40,11 @@ namespace ImageSharp.Formats.Tiff
                     byte byteData = data[offset++];
 
                     byte intensity1 = (byte)(((byteData & 0xF0) >> 4) * 17);
-                    color.PackFromBytes(intensity1, intensity1, intensity1, 255);
+                    color.PackFromRgba32(new Rgba32(intensity1, intensity1, intensity1, 255));
                     pixels[x, y] = color;
 
                     byte intensity2 = (byte)((byteData & 0x0F) * 17);
-                    color.PackFromBytes(intensity2, intensity2, intensity2, 255);
+                    color.PackFromRgba32(new Rgba32(intensity2, intensity2, intensity2, 255));
                     pixels[x + 1, y] = color;
                 }
 
@@ -53,7 +53,7 @@ namespace ImageSharp.Formats.Tiff
                     byte byteData = data[offset++];
 
                     byte intensity1 = (byte)(((byteData & 0xF0) >> 4) * 17);
-                    color.PackFromBytes(intensity1, intensity1, intensity1, 255);
+                    color.PackFromRgba32(new Rgba32(intensity1, intensity1, intensity1, 255));
                     pixels[left + width - 1, y] = color;
                 }
             }

src/ImageSharp/Formats/Tiff/PhotometricInterpretation/BlackIsZero8TiffColor.cs

@@ -37,7 +37,7 @@ namespace ImageSharp.Formats.Tiff
                 for (int x = left; x < left + width; x++)
                 {
                     byte intensity = data[offset++];
-                    color.PackFromBytes(intensity, intensity, intensity, 255);
+                    color.PackFromRgba32(new Rgba32(intensity, intensity, intensity, 255));
                     pixels[x, y] = color;
                 }
             }

src/ImageSharp/Formats/Tiff/PhotometricInterpretation/Rgb888TiffColor.cs

@@ -41,7 +41,7 @@ namespace ImageSharp.Formats.Tiff
                     byte r = data[offset++];
                     byte g = data[offset++];
                     byte b = data[offset++];
-                    color.PackFromBytes(r, g, b, 255);
+                    color.PackFromRgba32(new Rgba32(r, g, b, 255));
                     pixels[x, y] = color;
                 }
             }

src/ImageSharp/Formats/Tiff/PhotometricInterpretation/WhiteIsZero1TiffColor.cs

@@ -44,7 +44,7 @@ namespace ImageSharp.Formats.Tiff
                     {
                         int bit = (b >> (7 - shift)) & 1;
                         byte intensity = (bit == 1) ? (byte)0 : (byte)255;
-                        color.PackFromBytes(intensity, intensity, intensity, 255);
+                        color.PackFromRgba32(new Rgba32(intensity, intensity, intensity, 255));
                         pixels[x + shift, y] = color;
                     }
                 }

src/ImageSharp/Formats/Tiff/PhotometricInterpretation/WhiteIsZero4TiffColor.cs

@@ -40,11 +40,11 @@ namespace ImageSharp.Formats.Tiff
                     byte byteData = data[offset++];
 
                     byte intensity1 = (byte)((15 - ((byteData & 0xF0) >> 4)) * 17);
-                    color.PackFromBytes(intensity1, intensity1, intensity1, 255);
+                    color.PackFromRgba32(new Rgba32(intensity1, intensity1, intensity1, 255));
                     pixels[x, y] = color;
 
                     byte intensity2 = (byte)((15 - (byteData & 0x0F)) * 17);
-                    color.PackFromBytes(intensity2, intensity2, intensity2, 255);
+                    color.PackFromRgba32(new Rgba32(intensity2, intensity2, intensity2, 255));
                     pixels[x + 1, y] = color;
                 }
 
@@ -53,7 +53,7 @@ namespace ImageSharp.Formats.Tiff
                     byte byteData = data[offset++];
 
                     byte intensity1 = (byte)((15 - ((byteData & 0xF0) >> 4)) * 17);
-                    color.PackFromBytes(intensity1, intensity1, intensity1, 255);
+                    color.PackFromRgba32(new Rgba32(intensity1, intensity1, intensity1, 255));
                     pixels[left + width - 1, y] = color;
                 }
             }

src/ImageSharp/Formats/Tiff/PhotometricInterpretation/WhiteIsZero8TiffColor.cs

@@ -37,7 +37,7 @@ namespace ImageSharp.Formats.Tiff
                 for (int x = left; x < left + width; x++)
                 {
                     byte intensity = (byte)(255 - data[offset++]);
-                    color.PackFromBytes(intensity, intensity, intensity, 255);
+                    color.PackFromRgba32(new Rgba32(intensity, intensity, intensity, 255));
                     pixels[x, y] = color;
                 }
             }