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feature: supports RGBA16 pixel format

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Signed-off-by: leo <longshuang@msn.cn>
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leo 2025-06-07 12:00:16 +08:00
parent 203c50350e
commit d323a2064e
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1 changed files with 16 additions and 1 deletions
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17
src/ViewModels/ImageSource.cs
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@ -117,6 +117,21 @@ namespace SourceGit.ViewModels
case ImageFormat.Rgb24: case ImageFormat.Rgb24:
pixelFormat = PixelFormats.Bgr24; pixelFormat = PixelFormats.Bgr24;
break; break;
case ImageFormat.Rgba16:
var pixels2 = pfiImage.DataLen / 2;
data = new byte[pixels2 * 4];
stride = pfiImage.Width * 4;
for (var i = 0; i < pixels2; i++)
{
var src = BitConverter.ToUInt16(pfiImage.Data, i * 2);
data[i * 4 + 0] = (byte)Math.Round((src & 0x0F) / 15F * 255); // B
data[i * 4 + 1] = (byte)Math.Round(((src >> 4) & 0x0F) / 15F * 255); // G
data[i * 4 + 2] = (byte)Math.Round(((src >> 8) & 0x0F) / 15F * 255); // R
data[i * 4 + 3] = (byte)Math.Round(((src >> 12) & 0x0F) / 15F * 255); // A
}
alphaFormat = AlphaFormat.Premul;
break;
case ImageFormat.Rgba32: case ImageFormat.Rgba32:
alphaFormat = AlphaFormat.Premul; alphaFormat = AlphaFormat.Premul;
break; break;
@ -131,7 +146,7 @@ namespace SourceGit.ViewModels
return new ImageSource(bitmap, size); return new ImageSource(bitmap, size);
} }
} }
catch (Exception e) catch
{ {
return new ImageSource(null, 0); return new ImageSource(null, 0);
} }