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

update AniFrameFormat

pull/2899/head
Poker 2 years ago
parent
ceb0d51fa9
commit
256934344c
No known key found for this signature in database GPG Key ID: C65A6AD457D5C8F8
3 changed files with 48 additions and 29 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. 46
      src/ImageSharp/Formats/Ani/AniDecoderCore.cs
  2. 25
      src/ImageSharp/Formats/Ani/AniFrameFormat.cs
  3. 6
      src/ImageSharp/Formats/Ani/AniFrameMetadata.cs

46
src/ImageSharp/Formats/Ani/AniDecoderCore.cs
View File

@ -36,13 +36,6 @@ internal class AniDecoderCore : ImageDecoderCore
: base(options) =>
this.configuration = options.Configuration;
private enum ListIconChunkType : byte
{
Ico = 1,
Cur,
Bmp
}
protected override Image<TPixel> Decode<TPixel>(BufferedReadStream stream, CancellationToken cancellationToken)
{
this.currentStream = stream;
@ -54,7 +47,7 @@ internal class AniDecoderCore : ImageDecoderCore
ImageMetadata metadata = new();
AniMetadata aniMetadata = this.ReadHeader(dataStartPosition, dataSize, metadata);
List<(ListIconChunkType Type, Image<TPixel> Image)> frames = [];
List<(AniFrameFormat Type, Image<TPixel> Image)> frames = [];
this.HandleRiffChunk(out Span<int> sequence, out Span<uint> rate, dataStartPosition, dataSize, aniMetadata, frames, DecodeFrameChunk);
List<ImageFrame<TPixel>> list = [];
@ -62,7 +55,7 @@ internal class AniDecoderCore : ImageDecoderCore
for (int i = 0; i < sequence.Length; i++)
{
int sequenceIndex = sequence[i];
(ListIconChunkType type, Image<TPixel>? img) = frames[sequenceIndex];
(AniFrameFormat type, Image<TPixel>? img) = frames[sequenceIndex];
AniFrameMetadata aniFrameMetadata = new()
{
@ -80,23 +73,24 @@ internal class AniDecoderCore : ImageDecoderCore
AniFrameMetadata clonedMetadata = aniFrameMetadata.DeepClone();
source.Metadata.SetFormatMetadata(AniFormat.Instance, clonedMetadata);
clonedMetadata.FrameFormat = type;
switch (type)
{
case ListIconChunkType.Ico:
case AniFrameFormat.Ico:
IcoFrameMetadata icoFrameMetadata = source.Metadata.GetIcoMetadata();
// TODO source.Metadata.SetFormatMetadata(IcoFormat.Instance, null);
clonedMetadata.IcoFrameMetadata = icoFrameMetadata;
clonedMetadata.EncodingWidth = icoFrameMetadata.EncodingWidth;
clonedMetadata.EncodingHeight = icoFrameMetadata.EncodingHeight;
break;
case ListIconChunkType.Cur:
case AniFrameFormat.Cur:
CurFrameMetadata curFrameMetadata = source.Metadata.GetCurMetadata();
// TODO source.Metadata.SetFormatMetadata(CurFormat.Instance, null);
clonedMetadata.CurFrameMetadata = curFrameMetadata;
clonedMetadata.EncodingWidth = curFrameMetadata.EncodingWidth;
clonedMetadata.EncodingHeight = curFrameMetadata.EncodingHeight;
break;
case ListIconChunkType.Bmp:
case AniFrameFormat.Bmp:
clonedMetadata.EncodingWidth = Narrow(source.Width);
clonedMetadata.EncodingHeight = Narrow(source.Height);
break;
@ -108,7 +102,7 @@ internal class AniDecoderCore : ImageDecoderCore
}));
}
foreach ((ListIconChunkType _, Image<TPixel> img) in frames)
foreach ((AniFrameFormat _, Image<TPixel> img) in frames)
{
img.Dispose();
}
@ -128,7 +122,7 @@ internal class AniDecoderCore : ImageDecoderCore
long endPosition = this.currentStream.Position + chunk.Size;
Image<TPixel>? frame = null;
ListIconChunkType type = default;
AniFrameFormat type = default;
if (aniMetadata.Flags.HasFlag(AniHeaderFlags.IsIcon))
{
if (this.currentStream.TryReadUnmanaged(out IconDir dir))
@ -139,11 +133,11 @@ internal class AniDecoderCore : ImageDecoderCore
{
case IconFileType.CUR:
frame = CurDecoder.Instance.Decode<TPixel>(this.Options, this.currentStream);
type = ListIconChunkType.Cur;
type = AniFrameFormat.Cur;
break;
case IconFileType.ICO:
frame = IcoDecoder.Instance.Decode<TPixel>(this.Options, this.currentStream);
type = ListIconChunkType.Ico;
type = AniFrameFormat.Ico;
break;
}
}
@ -151,7 +145,7 @@ internal class AniDecoderCore : ImageDecoderCore
else
{
frame = BmpDecoder.Instance.Decode<TPixel>(this.Options, this.currentStream);
type = ListIconChunkType.Bmp;
type = AniFrameFormat.Bmp;
}
if (frame is not null)
@ -176,7 +170,7 @@ internal class AniDecoderCore : ImageDecoderCore
ImageMetadata metadata = new();
AniMetadata aniMetadata = this.ReadHeader(dataStartPosition, dataSize, metadata);
List<(ListIconChunkType Type, ImageInfo Info)> infoList = [];
List<(AniFrameFormat Type, ImageInfo Info)> infoList = [];
this.HandleRiffChunk(out Span<int> sequence, out Span<uint> rate, dataStartPosition, dataSize, aniMetadata, infoList, IdentifyFrameChunk);
List<ImageFrameMetadata> frameMetadataCollection = new(sequence.Length);
@ -184,7 +178,7 @@ internal class AniDecoderCore : ImageDecoderCore
for (int i = 0; i < sequence.Length; i++)
{
int sequenceIndex = sequence[i];
(ListIconChunkType type, ImageInfo info) = infoList[sequenceIndex];
(AniFrameFormat type, ImageInfo info) = infoList[sequenceIndex];
AniFrameMetadata aniFrameMetadata = new()
{
@ -199,16 +193,17 @@ internal class AniDecoderCore : ImageDecoderCore
{
AniFrameMetadata clonedMetadata = aniFrameMetadata.DeepClone();
frameMetadata.SetFormatMetadata(AniFormat.Instance, clonedMetadata);
clonedMetadata.FrameFormat = type;
switch (type)
{
case ListIconChunkType.Ico:
case AniFrameFormat.Ico:
IcoFrameMetadata icoFrameMetadata = frameMetadata.GetIcoMetadata();
// TODO source.Metadata.SetFormatMetadata(IcoFormat.Instance, null);
clonedMetadata.IcoFrameMetadata = icoFrameMetadata;
clonedMetadata.EncodingWidth = icoFrameMetadata.EncodingWidth;
clonedMetadata.EncodingHeight = icoFrameMetadata.EncodingHeight;
break;
case ListIconChunkType.Cur:
case AniFrameFormat.Cur:
CurFrameMetadata curFrameMetadata = frameMetadata.GetCurMetadata();
// TODO source.Metadata.SetFormatMetadata(CurFormat.Instance, null);
clonedMetadata.CurFrameMetadata = curFrameMetadata;
@ -227,6 +222,7 @@ internal class AniDecoderCore : ImageDecoderCore
{
aniFrameMetadata.EncodingWidth = Narrow(info.Width);
aniFrameMetadata.EncodingHeight = Narrow(info.Height);
aniFrameMetadata.FrameFormat = type;
ImageFrameMetadata frameMetadata = new();
frameMetadata.SetFormatMetadata(AniFormat.Instance, aniFrameMetadata);
frameMetadataCollection.Add(frameMetadata);
@ -248,7 +244,7 @@ internal class AniDecoderCore : ImageDecoderCore
long endPosition = this.currentStream.Position + chunk.Size;
ImageInfo? info = null;
ListIconChunkType type = default;
AniFrameFormat type = default;
if (aniMetadata.Flags.HasFlag(AniHeaderFlags.IsIcon))
{
if (this.currentStream.TryReadUnmanaged(out IconDir dir))
@ -259,11 +255,11 @@ internal class AniDecoderCore : ImageDecoderCore
{
case IconFileType.CUR:
info = CurDecoder.Instance.Identify(this.Options, this.currentStream);
type = ListIconChunkType.Cur;
type = AniFrameFormat.Cur;
break;
case IconFileType.ICO:
info = IcoDecoder.Instance.Identify(this.Options, this.currentStream);
type = ListIconChunkType.Ico;
type = AniFrameFormat.Ico;
break;
}
}
@ -271,7 +267,7 @@ internal class AniDecoderCore : ImageDecoderCore
else
{
info = BmpDecoder.Instance.Identify(this.Options, this.currentStream);
type = ListIconChunkType.Bmp;
type = AniFrameFormat.Bmp;
}
if (info is not null)

25
src/ImageSharp/Formats/Ani/AniFrameFormat.cs
View File

@ -0,0 +1,25 @@
// Copyright (c) Six Labors.
// Licensed under the Six Labors Split License.
namespace SixLabors.ImageSharp.Formats.Ani;
/// <summary>
/// Specifies the format of the frame data.
/// </summary>
public enum AniFrameFormat
{
/// <summary>
/// The frame data is in ICO format.
/// </summary>
Ico = 1,
/// <summary>
/// The frame data is in CUR format.
/// </summary>
Cur,
/// <summary>
/// The frame data is in BMP format.
/// </summary>
Bmp
}

6
src/ImageSharp/Formats/Ani/AniFrameMetadata.cs
View File

@ -43,11 +43,9 @@ public class AniFrameMetadata : IFormatFrameMetadata<AniFrameMetadata>
public byte? EncodingHeight { get; set; }
/// <summary>
/// Gets or sets a value indicating whether the frame will be encoded as an ICO or CUR file.
/// Gets or sets a value indicating whether the frame will be encoded as an ICO or CUR or BMP file.
/// </summary>
[MemberNotNullWhen(true, nameof(IcoFrameMetadata))]
[MemberNotNullWhen(false, nameof(CurFrameMetadata))]
public bool IsIco { get; set; }
public AniFrameFormat FrameFormat { get; set; }
/// <summary>
/// Gets or sets the <see cref="IcoFrameMetadata"/> of one "icon" chunk.

Write Preview
Loading…
Cancel
Save