private void UpdatePreviewBitmap()
{
using (Mat mat = new Mat(_page.Image.AbsoluteMasterPath, ImreadModes.Unchanged))
using (Mat ext = CoverSegmenting.ExtractRect(mat, new OpenCvSharp.Rect(CoverLeftSide.Offset, 0, CoverRightSide.Offset - CoverLeftSide.Offset + 1, mat.Height)))
{
PreviewBitmap = WriteableBitmapConverter.ToWriteableBitmap(ext);
}
}
internal void ExtractCover()
{
Task.Factory.StartNew(async() =>
{
using (var trans = new DataOperationUnit())
{
trans.Open(ConnectionManager.DefaultConnection);
var coverSegmenting = new CoverSegmenting(Library, _page, CoverLeftSide, CoverRightSide, trans);
await TaskManager.Enqueue(coverSegmenting.GetTaskSequence());
}
});
}
