private BitmapSource NextImage(ImgInf imgInf, WWImageRead ir)
{
if (imgInf.duration < 0)
{
return(null);
}
int hr = ir.VReadImage(-1, imgInf.cp, out BitmapSource bi, ref imgInf.duration, ref imgInf.timeStamp);
if (hr < 0)
{
MessageBox.Show(string.Format("Error: {0:x} while reading {1}", hr, imgInf.path));
return(null);
}
return(bi);
}
private BitmapSource ReadFromFile(ImgInf imgInf, long timeStamp, WWImageRead ir)
{
var ext = System.IO.Path.GetExtension(imgInf.path).ToUpper();
string[] imgExt = { ".PNG", ".JPG", ".JPEG", ".BMP" };
if (imgExt.Any(s => s.Equals(ext)))
{
// 画像の拡張子の場合。
imgInf.duration = -1;
imgInf.timeStamp = -1;
return(ir.ColorConvertedRead(imgInf.path, imgInf.cp));
}
ir.VReadEnd();
int hr = ir.VReadStart(imgInf.path);
if (hr < 0)
{
if (hr == WWMFVideoReaderCs.WWMFVideoReader.MF_E_INVALIDMEDIATYPE ||
hr == WWMFVideoReaderCs.WWMFVideoReader.MF_E_UNSUPPORTED_BYTESTREAM_TYPE)
{
var w = new WWDescriptionWindow(WWDescriptionWindow.LocalPathToUri("desc/UnsupportedMediaType.html"));
w.ShowDialog();
return(null);
}
else
{
MessageBox.Show(string.Format("Error: {0:x} while reading {1}", hr, imgInf.path));
return(null);
}
}
hr = ir.VReadImage(timeStamp, imgInf.cp, out BitmapSource bi, ref imgInf.duration, ref imgInf.timeStamp);
if (hr < 0)
{
MessageBox.Show(string.Format("Error: {0:x} while reading {1}", hr, imgInf.path));
return(null);
}
return(bi);
}