tsai
/
ImageSharp
mirror of https://github.com/SixLabors/ImageSharp
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Browse Source

Resolved findings in PR

af/merge-core
Devedse 7 years ago
parent
9da9680c37
commit
1b5b85572b
4 changed files with 36 additions and 36 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 24
      src/ImageSharp/Formats/Png/PngDecoderCore.cs
  2. 24
      src/ImageSharp/Formats/Png/PngEncoderCore.cs
  3. 8
      src/ImageSharp/Formats/Png/PngMetaData.cs
  4. 16
      src/ImageSharp/Formats/Png/PngScanlineProcessor.cs

24
src/ImageSharp/Formats/Png/PngDecoderCore.cs
View File

@ -656,8 +656,8 @@ namespace SixLabors.ImageSharp.Formats.Png
scanlineSpan,
rowSpan,
pngMetaData.HasTrans,
pngMetaData.Luminance16Trans.GetValueOrDefault(),
pngMetaData.LuminanceTrans.GetValueOrDefault());
pngMetaData.TransparentGray16.GetValueOrDefault(),
pngMetaData.TransparentGray8.GetValueOrDefault());
break;
@ -690,8 +690,8 @@ namespace SixLabors.ImageSharp.Formats.Png
this.bytesPerPixel,
this.bytesPerSample,
pngMetaData.HasTrans,
pngMetaData.Rgb48Trans.GetValueOrDefault(),
pngMetaData.Rgb24Trans.GetValueOrDefault());
pngMetaData.TransparentRgb48.GetValueOrDefault(),
pngMetaData.TransparentRgb24.GetValueOrDefault());
break;
@ -740,8 +740,8 @@ namespace SixLabors.ImageSharp.Formats.Png
pixelOffset,
increment,
pngMetaData.HasTrans,
pngMetaData.Luminance16Trans.GetValueOrDefault(),
pngMetaData.LuminanceTrans.GetValueOrDefault());
pngMetaData.TransparentGray16.GetValueOrDefault(),
pngMetaData.TransparentGray8.GetValueOrDefault());
break;
@ -779,8 +779,8 @@ namespace SixLabors.ImageSharp.Formats.Png
this.bytesPerPixel,
this.bytesPerSample,
pngMetaData.HasTrans,
pngMetaData.Rgb48Trans.GetValueOrDefault(),
pngMetaData.Rgb24Trans.GetValueOrDefault());
pngMetaData.TransparentRgb48.GetValueOrDefault(),
pngMetaData.TransparentRgb24.GetValueOrDefault());
break;
@ -817,7 +817,7 @@ namespace SixLabors.ImageSharp.Formats.Png
ushort gc = BinaryPrimitives.ReadUInt16LittleEndian(alpha.Slice(2, 2));
ushort bc = BinaryPrimitives.ReadUInt16LittleEndian(alpha.Slice(4, 2));
pngMetaData.Rgb48Trans = new Rgb48(rc, gc, bc);
pngMetaData.TransparentRgb48 = new Rgb48(rc, gc, bc);
pngMetaData.HasTrans = true;
return;
}
@ -825,7 +825,7 @@ namespace SixLabors.ImageSharp.Formats.Png
byte r = ReadByteLittleEndian(alpha, 0);
byte g = ReadByteLittleEndian(alpha, 2);
byte b = ReadByteLittleEndian(alpha, 4);
pngMetaData.Rgb24Trans = new Rgb24(r, g, b);
pngMetaData.TransparentRgb24 = new Rgb24(r, g, b);
pngMetaData.HasTrans = true;
}
}
@ -835,11 +835,11 @@ namespace SixLabors.ImageSharp.Formats.Png
{
if (this.header.BitDepth == 16)
{
pngMetaData.Luminance16Trans = BinaryPrimitives.ReadUInt16LittleEndian(alpha.Slice(0, 2));
pngMetaData.TransparentGray16 = new Gray16(BinaryPrimitives.ReadUInt16LittleEndian(alpha.Slice(0, 2)));
}
else
{
pngMetaData.LuminanceTrans = ReadByteLittleEndian(alpha, 0);
pngMetaData.TransparentGray8 = new Gray8(ReadByteLittleEndian(alpha, 0));
}
pngMetaData.HasTrans = true;

24
src/ImageSharp/Formats/Png/PngEncoderCore.cs
View File

@ -314,37 +314,37 @@ namespace SixLabors.ImageSharp.Formats.Png
{
if (pngMetaData.ColorType == PngColorType.Rgb)
{
if (pngMetaData.Rgb48Trans != null)
if (pngMetaData.TransparentRgb48 != null)
{
var r = BitConverter.GetBytes(pngMetaData.Rgb48Trans.Value.R);
var g = BitConverter.GetBytes(pngMetaData.Rgb48Trans.Value.R);
var b = BitConverter.GetBytes(pngMetaData.Rgb48Trans.Value.B);
var r = BitConverter.GetBytes(pngMetaData.TransparentRgb48.Value.R);
var g = BitConverter.GetBytes(pngMetaData.TransparentRgb48.Value.R);
var b = BitConverter.GetBytes(pngMetaData.TransparentRgb48.Value.B);
var alphaArray = r.Concat(g).Concat(b).ToArray();
this.WriteChunk(stream, PngChunkType.PaletteAlpha, alphaArray, 0, alphaArray.Length);
}
else if (pngMetaData.Rgb24Trans != null)
else if (pngMetaData.TransparentRgb24 != null)
{
var alphaArray = new byte[6];
alphaArray[1] = pngMetaData.Rgb24Trans.Value.R;
alphaArray[3] = pngMetaData.Rgb24Trans.Value.G;
alphaArray[5] = pngMetaData.Rgb24Trans.Value.B;
alphaArray[1] = pngMetaData.TransparentRgb24.Value.R;
alphaArray[3] = pngMetaData.TransparentRgb24.Value.G;
alphaArray[5] = pngMetaData.TransparentRgb24.Value.B;
this.WriteChunk(stream, PngChunkType.PaletteAlpha, alphaArray, 0, alphaArray.Length);
}
}
else if (pngMetaData.ColorType == PngColorType.Grayscale)
{
if (pngMetaData.Luminance16Trans != null)
if (pngMetaData.TransparentGray16 != null)
{
var alphaArray = BitConverter.GetBytes(pngMetaData.Luminance16Trans.Value);
var alphaArray = BitConverter.GetBytes(pngMetaData.TransparentGray16.Value.PackedValue);
this.WriteChunk(stream, PngChunkType.PaletteAlpha, alphaArray, 0, alphaArray.Length);
}
else if (pngMetaData.LuminanceTrans != null)
else if (pngMetaData.TransparentGray8 != null)
{
var alphaArray = new byte[2];
alphaArray[1] = pngMetaData.LuminanceTrans.Value;
alphaArray[1] = pngMetaData.TransparentGray8.Value.PackedValue;
this.WriteChunk(stream, PngChunkType.PaletteAlpha, alphaArray, 0, alphaArray.Length);
}

8
src/ImageSharp/Formats/Png/PngMetaData.cs
View File

@ -47,22 +47,22 @@ namespace SixLabors.ImageSharp.Formats.Png
/// <summary>
/// Gets or sets the Rgb 24 transparent color. This represents any color in an 8 bit Rgb24 encoded png that should be transparent
/// </summary>
public Rgb24? Rgb24Trans { get; set; }
public Rgb24? TransparentRgb24 { get; set; }
/// <summary>
/// Gets or sets the Rgb 48 transparent color. This represents any color in a 16 bit Rgb24 encoded png that should be transparent
/// </summary>
public Rgb48? Rgb48Trans { get; set; }
public Rgb48? TransparentRgb48 { get; set; }
/// <summary>
/// Gets or sets the 8 bit grayscale transparent color. This represents any color in an 8 bit grayscale encoded png that should be transparent
/// </summary>
public byte? LuminanceTrans { get; set; }
public Gray8? TransparentGray8 { get; set; }
/// <summary>
/// Gets or sets the 16 bit grayscale transparent color. This represents any color in a 16 bit grayscale encoded png that should be transparent
/// </summary>
public ushort? Luminance16Trans { get; set; }
public Gray16? TransparentGray16 { get; set; }
/// <summary>
/// Gets or sets a value indicating whether the image has transparency chunk and markers were decoded

16
src/ImageSharp/Formats/Png/PngScanlineProcessor.cs
View File

@ -20,8 +20,8 @@ namespace SixLabors.ImageSharp.Formats.Png
ReadOnlySpan<byte> scanlineSpan,
Span<TPixel> rowSpan,
bool hasTrans,
ushort luminance16Trans,
byte luminanceTrans)
Gray16 luminance16Trans,
Gray8 luminanceTrans)
where TPixel : struct, IPixel<TPixel>
{
TPixel pixel = default;
@ -62,7 +62,7 @@ namespace SixLabors.ImageSharp.Formats.Png
rgba64.R = luminance;
rgba64.G = luminance;
rgba64.B = luminance;
rgba64.A = luminance.Equals(luminance16Trans) ? ushort.MinValue : ushort.MaxValue;
rgba64.A = luminance.Equals(luminance16Trans.PackedValue) ? ushort.MinValue : ushort.MaxValue;
pixel.FromRgba64(rgba64);
Unsafe.Add(ref rowSpanRef, x) = pixel;
@ -70,7 +70,7 @@ namespace SixLabors.ImageSharp.Formats.Png
}
else
{
byte scaledLuminanceTrans = (byte)(luminanceTrans * scaleFactor);
byte scaledLuminanceTrans = (byte)(luminanceTrans.PackedValue * scaleFactor);
Rgba32 rgba32 = default;
for (int x = 0; x < header.Width; x++)
{
@ -93,8 +93,8 @@ namespace SixLabors.ImageSharp.Formats.Png
int pixelOffset,
int increment,
bool hasTrans,
ushort luminance16Trans,
byte luminanceTrans)
Gray16 luminance16Trans,
Gray8 luminanceTrans)
where TPixel : struct, IPixel<TPixel>
{
TPixel pixel = default;
@ -135,7 +135,7 @@ namespace SixLabors.ImageSharp.Formats.Png
rgba64.R = luminance;
rgba64.G = luminance;
rgba64.B = luminance;
rgba64.A = luminance.Equals(luminance16Trans) ? ushort.MinValue : ushort.MaxValue;
rgba64.A = luminance.Equals(luminance16Trans.PackedValue) ? ushort.MinValue : ushort.MaxValue;
pixel.FromRgba64(rgba64);
Unsafe.Add(ref rowSpanRef, x) = pixel;
@ -143,7 +143,7 @@ namespace SixLabors.ImageSharp.Formats.Png
}
else
{
byte scaledLuminanceTrans = (byte)(luminanceTrans * scaleFactor);
byte scaledLuminanceTrans = (byte)(luminanceTrans.PackedValue * scaleFactor);
Rgba32 rgba32 = default;
for (int x = pixelOffset; x < header.Width; x += increment)
{

Write Preview
Loading…
Cancel
Save