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minor cleanup

af/merge-core
Anton Firszov 9 years ago
parent
08b49f9aed
commit
9add0e0fa4
1 changed files with 33 additions and 28 deletions
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  1. 61
      src/ImageSharp/Formats/Jpeg/Common/Decoder/JpegColorConverter.FromYCbCr.cs

61
src/ImageSharp/Formats/Jpeg/Common/Decoder/JpegColorConverter.FromYCbCr.cs
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@ -90,12 +90,14 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Common.Decoder
for (int i = 0; i < n; i++)
{
// y = yVals[i];
// cb = cbVals[i] - 128F;
// cr = crVals[i] - 128F;
Vector4Pair y = Unsafe.Add(ref yBase, i);
// cb = cbVals[i] - 128F;
Vector4Pair cb = Unsafe.Add(ref cbBase, i);
Vector4Pair cr = Unsafe.Add(ref crBase, i);
cb.AddInplace(chromaOffset);
// cr = crVals[i] - 128F;
Vector4Pair cr = Unsafe.Add(ref crBase, i);
cr.AddInplace(chromaOffset);
// r = y + (1.402F * cr);
@ -181,46 +183,49 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Common.Decoder
#pragma warning disable SA1132 // Do not combine fields
public Vector4 V0, V1, V2, V3, V4, V5, V6, V7;
public void Collect(ref Vector4Pair rr, ref Vector4Pair gg, ref Vector4Pair bb)
/// <summary>
/// Collect (r0,r1...r8) (g0,g1...g8) (b0,b1...b8) vector values in the expected (r0,g0,g1,1), (r1,g1,g2,1) ... order.
/// </summary>
public void Collect(ref Vector4Pair r, ref Vector4Pair g, ref Vector4Pair b)
{
this.V0.X = rr.A.X;
this.V0.Y = gg.A.X;
this.V0.Z = bb.A.X;
this.V0.X = r.A.X;
this.V0.Y = g.A.X;
this.V0.Z = b.A.X;
this.V0.W = 1f;
this.V1.X = rr.A.Y;
this.V1.Y = gg.A.Y;
this.V1.Z = bb.A.Y;
this.V1.X = r.A.Y;
this.V1.Y = g.A.Y;
this.V1.Z = b.A.Y;
this.V1.W = 1f;
this.V2.X = rr.A.Z;
this.V2.Y = gg.A.Z;
this.V2.Z = bb.A.Z;
this.V2.X = r.A.Z;
this.V2.Y = g.A.Z;
this.V2.Z = b.A.Z;
this.V2.W = 1f;
this.V3.X = rr.A.W;
this.V3.Y = gg.A.W;
this.V3.Z = bb.A.W;
this.V3.X = r.A.W;
this.V3.Y = g.A.W;
this.V3.Z = b.A.W;
this.V3.W = 1f;
this.V4.X = rr.B.X;
this.V4.Y = gg.B.X;
this.V4.Z = bb.B.X;
this.V4.X = r.B.X;
this.V4.Y = g.B.X;
this.V4.Z = b.B.X;
this.V4.W = 1f;
this.V5.X = rr.B.Y;
this.V5.Y = gg.B.Y;
this.V5.Z = bb.B.Y;
this.V5.X = r.B.Y;
this.V5.Y = g.B.Y;
this.V5.Z = b.B.Y;
this.V5.W = 1f;
this.V6.X = rr.B.Z;
this.V6.Y = gg.B.Z;
this.V6.Z = bb.B.Z;
this.V6.X = r.B.Z;
this.V6.Y = g.B.Z;
this.V6.Z = b.B.Z;
this.V6.W = 1f;
this.V7.X = rr.B.W;
this.V7.Y = gg.B.W;
this.V7.Z = bb.B.W;
this.V7.X = r.B.W;
this.V7.Y = g.B.W;
this.V7.Z = b.B.W;
this.V7.W = 1f;
}
}

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