/// <summary>
/// Converts byte array of an image to BitmapSource reflecting color profiles.
/// </summary>
/// <param name="sourceData">Byte array of source image</param>
/// <param name="colorProfilePath">Color profile file path used by a monitor</param>
/// <returns>BitmapSource</returns>
public static async Task <BitmapSource> ConvertImageAsync(byte[] sourceData, string colorProfilePath)
{
using (var ms = new MemoryStream())
{
await ms.WriteAsync(sourceData, 0, sourceData.Length).ConfigureAwait(false);
ms.Seek(0, SeekOrigin.Begin);
var frame = BitmapFrame.Create(
ms,
BitmapCreateOptions.IgnoreColorProfile | BitmapCreateOptions.PreservePixelFormat,
BitmapCacheOption.OnLoad);
var ccb = new ColorConvertedBitmap();
ccb.BeginInit();
ccb.Source = frame;
ccb.SourceColorContext = (frame.ColorContexts?.Any() == true)
? frame.ColorContexts.First()
: new ColorContext(PixelFormats.Bgra32); // Fallback color profile
ccb.DestinationColorContext = !string.IsNullOrEmpty(colorProfilePath)
? new ColorContext(new Uri(colorProfilePath))
: new ColorContext(PixelFormats.Bgra32); // Fallback color profile
ccb.DestinationFormat = PixelFormats.Bgra32;
ccb.EndInit();
ccb.Freeze();
return(ccb);
}
}
public BitmapSource ColorConvertedRead(string path, ColorProfileType from)
{
BitmapSource r = null;
var bmi = new BitmapImage();
bmi.BeginInit();
bmi.UriSource = new Uri(path, UriKind.RelativeOrAbsolute);
bmi.CacheOption = BitmapCacheOption.OnLoad;
bmi.EndInit();
bmi.Freeze();
if (0 == ColorProfileName(from).CompareTo(MonitorProfileName))
{
// color space is the same.
r = bmi;
}
else
{
var ccb = new ColorConvertedBitmap();
ccb.BeginInit();
ccb.Source = bmi;
ccb.SourceColorContext = mColorCtx[(int)from];
ccb.DestinationColorContext = mColorCtx[(int)ColorProfileType.Monitor];
ccb.EndInit();
ccb.Freeze();
r = ccb;
}
IsVideo = false;
return(r);
}
public int VReadImage(long posToSeek, ColorProfileType from, out BitmapSource bs, ref long duration, ref long timeStamp)
{
int dpi = 96;
var pf = PixelFormats.Bgr32;
int hr = videoRead.ReadImage(posToSeek, out WWMFVideoReader.VideoImage vi);
if (hr < 0)
{
bs = BitmapSource.Create(0, 0, dpi, dpi, pf, null, null, 1);
return(hr);
}
var bytesPerPixel = (pf.BitsPerPixel + 7) / 8;
var stride = bytesPerPixel * vi.w;
var wb = new WriteableBitmap(vi.w, vi.h, dpi, dpi, pf, null);
wb.Lock();
wb.WritePixels(new Int32Rect(0, 0, vi.w, vi.h), vi.img, stride, 0);
wb.Unlock();
wb.Freeze();
if (0 == ColorProfileName(from).CompareTo(MonitorProfileName))
{
// color space is the same.
bs = wb;
}
else
{
var ccb = new ColorConvertedBitmap();
ccb.BeginInit();
ccb.Source = wb;
ccb.SourceColorContext = mColorCtx[(int)from];
ccb.DestinationColorContext = mColorCtx[(int)ColorProfileType.Monitor];
ccb.EndInit();
ccb.Freeze();
bs = ccb;
}
duration = vi.duration;
timeStamp = vi.timeStamp;
IsVideo = true;
return(hr);
}
/// <summary>
/// Converts a System.Drawing.Image to a BitmapImage which is compatible
/// with WPF
/// </summary>
/// <param name="image">The image.</param>
/// <returns></returns>
//internal static BitmapSource GetColourCorrectedImageSource(DrawingImage image)
internal static BitmapSource GetBitmapImage2(DrawingImage image)
{
var memoryStream = new MemoryStream();
image.Save(memoryStream, System.Drawing.Imaging.ImageFormat.Png);
var frame = BitmapFrame.Create(memoryStream);
// Windows ICC profile location: C:\Windows\System32\spool\drivers\color
// Adobe ICC profiles: C:\Program Files (x86)\Common Files\Adobe\Color
var iccProfilePath = @"C:\Program Files (x86)\Common Files\Adobe\Color\MPProfiles\FilmTheaterK2395PD.icc";
Uri destinationProfileUri = new Uri(iccProfilePath);
ColorContext scc = new ColorContext(destinationProfileUri);
// Using frame.Format is the same as loading the sRGB default
ColorContext dcc = new ColorContext(frame.Format);
//ColorContext scc = new ColorContext(new Uri(@"C:\Windows\System32\spool\drivers\color\sRGB Color Space Profile.icm"));
// NOTE: the source and destination colorcontexes seem conceptually reversed.
var colorConvertedBitmap = new ColorConvertedBitmap((BitmapSource)frame, scc, dcc, frame.Format);
colorConvertedBitmap.Freeze();
return(colorConvertedBitmap);
}