mirror/AssetStudio
1
0
Fork 0
mirror of https://github.com/aelurum/AssetStudio.git synced 2025-07-18 03:24:15 -04:00
Code Issues Packages Projects Releases Wiki Activity

Performance improvement

Browse Source
This commit is contained in:
Perfare
2021-12-06 13:36:22 +08:00
parent 88c5804586
commit 80653711cd
13 changed files with 369 additions and 888 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
AssetStudioUtility/ImageExtensions.cs
View File

@ -1,39 +1,55 @@
using SixLabors.ImageSharp;
using SixLabors.ImageSharp.Formats.Bmp;
using SixLabors.ImageSharp.Formats.Tga;
using SixLabors.ImageSharp.PixelFormats;
using System.IO;
using System.Runtime.InteropServices;
namespace AssetStudio
{
public static class ImageExtensions
{
public static MemoryStream ConvertToStream(this Image image, ImageFormat imageFormat)
public static void WriteToStream(this Image image, Stream stream, ImageFormat imageFormat)
{
var outputStream = new MemoryStream();
switch (imageFormat)
{
case ImageFormat.Jpeg:
image.SaveAsJpeg(outputStream);
image.SaveAsJpeg(stream);
break;
case ImageFormat.Png:
image.SaveAsPng(outputStream);
image.SaveAsPng(stream);
break;
case ImageFormat.Bmp:
image.Save(outputStream, new BmpEncoder
image.Save(stream, new BmpEncoder
{
BitsPerPixel = BmpBitsPerPixel.Pixel32,
SupportTransparency = true
});
break;
case ImageFormat.Tga:
image.Save(outputStream, new TgaEncoder
image.Save(stream, new TgaEncoder
{
BitsPerPixel = TgaBitsPerPixel.Pixel32,
Compression = TgaCompression.None
});
break;
}
return outputStream;
}
public static MemoryStream ConvertToStream(this Image image, ImageFormat imageFormat)
{
var stream = new MemoryStream();
image.WriteToStream(stream, imageFormat);
return stream;
}
public static byte[] ConvertToBgra32Bytes(this Image<Bgra32> image)
{
if (image.TryGetSinglePixelSpan(out var pixelSpan))
{
return MemoryMarshal.AsBytes(pixelSpan).ToArray();
}
return null;
}
}
}