/// <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);
}
/// <summary>
/// Converts color profile of BitmapSource for color management.
/// </summary>
/// <param name="bitmapSource">Source BitmapSource</param>
/// <param name="sourceProfile">Source color profile</param>
/// <param name="destinationProfile">Destination color profile</param>
/// <returns>Outcome BitmapSource</returns>
/// <remarks>
/// Source color profile is color profile embedded in image file and destination color profile is
/// color profile used by the monitor to which the Window belongs.
/// </remarks>
public static BitmapSource ConvertColorProfile(BitmapSource bitmapSource, ColorContext sourceProfile, ColorContext destinationProfile)
{
var bitmapConverted = new ColorConvertedBitmap();
bitmapConverted.BeginInit();
bitmapConverted.Source = bitmapSource;
bitmapConverted.SourceColorContext = sourceProfile;
bitmapConverted.DestinationColorContext = destinationProfile;
bitmapConverted.DestinationFormat = PixelFormats.Bgra32;
bitmapConverted.EndInit();
return(bitmapConverted);
}
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);
}
private void CreateAndShowMainWindow()
{
// Create the application's main window
mainWindow = new Window();
mainWindow.Title = "BitmapImage Sample";
//<Snippet1>
// Define a BitmapImage.
Image myImage = new Image();
BitmapImage bi = new BitmapImage();
// Begin initialization.
bi.BeginInit();
// Set properties.
bi.CacheOption = BitmapCacheOption.OnDemand;
bi.CreateOptions = BitmapCreateOptions.DelayCreation;
bi.DecodePixelHeight = 125;
bi.DecodePixelWidth = 125;
bi.Rotation = Rotation.Rotate90;
MessageBox.Show(bi.IsDownloading.ToString());
bi.UriSource = new Uri("smiley.png", UriKind.Relative);
// End initialization.
bi.EndInit();
myImage.Source = bi;
myImage.Stretch = Stretch.None;
myImage.Margin = new Thickness(5);
//</Snippet1>
//Define a Second BitmapImage and Source
Image myImage2 = new Image();
BitmapImage bi2 = new BitmapImage();
bi2.BeginInit();
bi2.DecodePixelHeight = 75;
bi2.DecodePixelWidth = 75;
bi2.CacheOption = BitmapCacheOption.None;
bi2.CreateOptions = BitmapCreateOptions.PreservePixelFormat;
bi2.Rotation = Rotation.Rotate180;
bi2.UriSource = new Uri("smiley.png", UriKind.Relative);
bi2.EndInit();
myImage2.Source = bi2;
myImage2.Stretch = Stretch.None;
myImage2.Margin = new Thickness(5);
//<Snippet2>
Stream imageStream = new FileStream("tulipfarm.jpg", FileMode.Open, FileAccess.Read, FileShare.Read);
BitmapSource myBitmapSource = BitmapFrame.Create(imageStream);
BitmapFrame myBitmapSourceFrame = (BitmapFrame)myBitmapSource;
ColorContext sourceColorContext = myBitmapSourceFrame.ColorContexts[0];
ColorContext destColorContext = new ColorContext(PixelFormats.Bgra32);
ColorConvertedBitmap ccb = new ColorConvertedBitmap(myBitmapSource, sourceColorContext, destColorContext, PixelFormats.Pbgra32);
Image myImage3 = new Image();
myImage3.Source = ccb;
myImage3.Stretch = Stretch.None;
imageStream.Close();
//</Snippet2>
//Show ColorConvertedBitmap Properties
Stream imageStream2 = new FileStream("tulipfarm.jpg", FileMode.Open, FileAccess.Read, FileShare.Read);
BitmapSource myBitmapSource2 = BitmapFrame.Create(imageStream2);
BitmapFrame myBitmapSourceFrame2 = (BitmapFrame)myBitmapSource;
//<Snippet3>
ColorConvertedBitmap myColorConvertedBitmap = new ColorConvertedBitmap();
myColorConvertedBitmap.BeginInit();
myColorConvertedBitmap.SourceColorContext = myBitmapSourceFrame2.ColorContexts[0];
myColorConvertedBitmap.Source = myBitmapSource2;
myColorConvertedBitmap.DestinationFormat = PixelFormats.Pbgra32;
myColorConvertedBitmap.DestinationColorContext = new ColorContext(PixelFormats.Bgra32);
myColorConvertedBitmap.EndInit();
//</Snippet3>
//Define a StackPanel
StackPanel myStackPanel = new StackPanel();
// Add the images to the parent StackPanel
myStackPanel.Children.Add(myImage);
myStackPanel.Children.Add(myImage2);
myStackPanel.Children.Add(myImage3);
// Add the StackPanel as the Content of the Parent Window Object
mainWindow.Content = myStackPanel;
mainWindow.Show();
}