public static extern bool WcsGetDefaultColorProfileSize(
WcsProfileManagementScope scope,
[MarshalAs(UnmanagedType.LPTStr)] string deviceName,
ColorProfileType colorProfileType,
ColorProfileSubtype colorProfileSubType,
uint dwProfileID,
out uint cbProfileName);
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);
}
static public string ColorProfileName(ColorProfileType t)
{
switch (t)
{
case ColorProfileType.sRGB:
return("sRGB Color Space Profile.icm");
case ColorProfileType.AdobeRGB:
return("AdobeRGB1998.icc");
case ColorProfileType.Rec709:
return("ITU-RBT709ReferenceDisplay.icc");
case ColorProfileType.Monitor:
return(MonitorProfileName);
default:
System.Diagnostics.Debug.Assert(false);
return("");
}
}
private protected HeifColorProfile(ColorProfileType profileType)
{
this.ProfileType = profileType;
}
