Beispiel #1
0
        public bool ScrollText(TextToScroll text)
        {
            if (Texts.Count > 0)
            {
                Texts.Enqueue(text);
                CurrentText = Texts.Dequeue();
                if (IsScrolling)
                {
                    return(true);
                }
            }
            else
            {
                CurrentText = text;
            }
            IsScrolling = true;
            _ledStripTranslation.Image.Clear();
            _ledStripTranslation.Device.Update();
            ColorGrid = new Color[_ledStripTranslation.Height, _ledStripTranslation.Width];

            // adding letters one column at a time
            while (CurrentText.ScrollIterations > 0)
            {
                foreach (char c in CurrentText.Letters)
                {
                    IEnumerable <string> currentLetter = Font[c];
                    foreach (string column in currentLetter)
                    {
                        ShiftColorGrid();
                        // add on new column
                        for (int i = 0; i < column.Length; i++)
                        {
                            if (column[i].Equals('1'))
                            {
                                ColorGrid[i, ColorGrid.GetLength(1) - 1] = CurrentText.Color;
                            }
                            else
                            {
                                ColorGrid[i, ColorGrid.GetLength(1) - 1] = Color.Empty;
                            }
                        }
                        _ledStripTranslation.Image.Clear();
                        _ledStripTranslation.ToImage(ColorGrid);
                        _ledStripTranslation.Device.Update();
                        System.Threading.Thread.Sleep(100);
                    }
                }
                // shift to clear scrolling text
                for (int i = 0; i < _ledStripTranslation.Width; i++)
                {
                    ShiftColorGrid();
                    for (int j = 0; j < _ledStripTranslation.Height; j++)
                    {
                        ColorGrid[j, ColorGrid.GetLength(1) - 1] = Color.Empty;
                    }
                    _ledStripTranslation.Image.Clear();
                    _ledStripTranslation.ToImage(ColorGrid);
                    _ledStripTranslation.Device.Update();
                    System.Threading.Thread.Sleep(100);
                }
                CurrentText.ScrollIterations--;
                if (Texts.Count > 0)
                {
                    CurrentText = Texts.Dequeue();
                }
            }
            IsScrolling = false;
            return(true);
        }
Beispiel #2
0
 public bool AddText(TextToScroll text)
 {
     Texts.Enqueue(text);
     return(true);
 }