private void PrintMetadata(System.Windows.Media.ImageMetadata metadata, string fullQuery)
{
BitmapMetadata theMetadata = metadata as BitmapMetadata;
if (theMetadata != null)
{
foreach (string query in theMetadata)
{
string tempQuery = fullQuery + query;
// query string here is relative to the previous metadata reader.
object o = theMetadata.GetQuery(query);
//richTextBox1.Text += "\n" + tempQuery + ", " + query + ", " + o;
Console.WriteLine(tempQuery + ", " + query + ", " + o);
BitmapMetadata moreMetadata = o as BitmapMetadata;
if (moreMetadata != null)
{
PrintMetadata(moreMetadata, tempQuery);
}
}
}
}
private void btnChangePic_Click(object sender, RoutedEventArgs e)
{
Microsoft.Win32.OpenFileDialog openFileDialog = new Microsoft.Win32.OpenFileDialog();
openFileDialog.ShowDialog();
BitmapImage bi = new BitmapImage(new Uri(openFileDialog.FileName));
System.Windows.Media.ImageMetadata im = bi.Metadata;
MessageBox.Show(im.ToString());
WriteableBitmap bitmap = new WriteableBitmap(bi);
imgPicture.Source = bi;
//bitmap
/* BitmapImage bi = new BitmapImage(new Uri(openFileDialog.FileName));
* imgPicture.Source = bi;
*
* int stride = bi.PixelWidth * 4;
* int size = bi.PixelHeight * stride;
* byte[] pixels = new byte[size];
* bi.CopyPixels(pixels, stride, 0);
*
*
*
* int x = 0;
* int y = 0;
* int index = y * stride + 4 * x;
*
*
* byte red = pixels[index];
* byte green = pixels[index + 1];
* byte blue = pixels[index + 2];
* byte alpha = pixels[index+3];
* MessageBox.Show(red.ToString()+", " + green.ToString() + ", " + blue.ToString());
*/
}
