public static BitmapSource GetBitmap(this IImageSource imageSource)
{
if (imageSource.HasImage == false)
{
return(null);
}
Byte[] data = imageSource.MergeChannels();
var channelCount = imageSource.Channels.Length;
var pitch = imageSource.Width * imageSource.Channels.Length;
var w = imageSource.Width;
var h = imageSource.Height;
//var format = channelCount == 3 ? TextureFormat.RGB24 : TextureFormat.ARGB32;
//var tex = new Texture2D(w, h, format, false);
var colors = new Color[data.Length / channelCount];
var k = 0;
for (var y = h - 1; y >= 0; --y)
{
for (var x = 0; x < pitch; x += channelCount)
{
var n = x + y * pitch;
var c = Color.FromArgb(1, 1, 1, 1);
if (channelCount == 4)
{
c.B = data[n++];
c.G = data[n++];
c.R = data[n++];
c.A = (Byte)System.Math.Round(data[n++] / 255f * imageSource.Opacity * 255f);
}
else
{
c.B = data[n++];
c.G = data[n++];
c.R = data[n++];
c.A = (Byte)System.Math.Round(imageSource.Opacity * 255f);
}
colors[k++] = c;
}
}
if (channelCount == 4)
{
return(BitmapSource.Create(imageSource.Width, imageSource.Height, 96, 96, PixelFormats.Bgra32, null, data, pitch));
}
return(BitmapSource.Create(imageSource.Width, imageSource.Height, 96, 96, PixelFormats.Bgr24, null, data, pitch));
}
public async Task <Image <Rgba32> > LoadImageAsync(string fileName)
{
byte[] source = await File.ReadAllBytesAsync(fileName);
await using (MemoryStream ms = new(buffer : source, writable : false))
{
using (PsdDocument psd = PsdDocument.Create(ms))
{
IImageSource imageSource = psd;
byte[] data = imageSource.MergeChannels();
if (imageSource.Channels.Length == 4)
{
return(Convert(Image.LoadPixelData <Bgra32>(data: data, width: imageSource.Width, height: imageSource.Height)));
}
return(Convert(Image.LoadPixelData <Bgr24>(data: data, width: imageSource.Width, height: imageSource.Height)));
}
}
}
public static Bitmap GetBitmap(this IImageSource imageSource)
{
if (imageSource.HasImage == false)
{
return(null);
}
byte[] data = imageSource.MergeChannels();
var channelCount = imageSource.Channels.Length;
var pitch = imageSource.Width * channelCount;
var w = imageSource.Width;
var h = imageSource.Height;
//var format = channelCount == 3 ? TextureFormat.RGB24 : TextureFormat.ARGB32;
bool is4chan = channelCount == 4;
var bitmap = new Bitmap(w, h);
for (var y = h - 1; y >= 0; --y)
{
for (var x = 0; x < pitch; x += channelCount)
{
var n = x + y * pitch;
var b = data[n++];
var g = data[n++];
var r = data[n++];
var a = is4chan ? (byte)System.Math.Round(data[n++] / 255f * imageSource.Opacity * 255f) : (byte)System.Math.Round(imageSource.Opacity * 255f);
var color = Color.FromArgb(a, r, g, b);
bitmap.SetPixel(x / channelCount, y, color);
}
}
return(bitmap);
}
