コード例 #1
0
        private void PPositionChanged(object sender, PositionChangedEventArgs args)
        {
            var xDatamodelCurrent = XforDb(args.Position.X);
            var draggablePoint    = (DraggablePoint)sender;

            //add node to replace moving sidenode (left).
            if (Math.Abs(args.PreviousPosition.X - CompXdBStart) < 3 && _points.First().Equals(draggablePoint))
            {
                AddPointToList(CompXdBStart, args.PreviousPosition.Y, false);
            }
            //add node to replace moving sidenode (right).
            if (Math.Abs(args.PreviousPosition.X - (CompXdBStart + 96)) < 3 && _points.Last().Equals(draggablePoint))
            {
                AddPointToList(CompXdBStart + 96, args.PreviousPosition.Y, true);
            }

            //from previous to current
            if (LineData.Any(q => q.Position.X < args.Position.X))
            {
                var xDatamodelPrevious =
                    XforDb(LineData.Where(q => q.Position.X < args.Position.X).Max(q => q.Position.X));
                double positions  = Math.Abs(xDatamodelPrevious - xDatamodelCurrent);
                var    previousdB = Compressor.CompressorValues[xDatamodelPrevious];

                for (var position = 0; position <= positions; position++)
                {
                    Compressor.CompressorValues[position + xDatamodelPrevious] = previousdB +
                                                                                 (args.Position.Y - previousdB) * (position / positions);
                }
            }
            //from current to next
            if (LineData.Any(q => q.Position.X > args.Position.X))
            {
                var    xDatamodelNext = XforDb(LineData.Where(q => q.Position.X > args.Position.X).Min(q => q.Position.X));
                double positions      = Math.Abs(xDatamodelCurrent - xDatamodelNext);
                var    addition       = 1 / positions;
                var    nextDb         = Compressor.CompressorValues[xDatamodelNext];

                for (var position = 0; position < positions; position++)
                {
                    Compressor.CompressorValues[position + xDatamodelCurrent] = args.Position.Y + addition * (nextDb - args.Position.Y) * position;
                }
            }
            SendCompressor(Id, Compressor);
        }