public void SelectAll()
{
m_Logger.Log("AudioPaneView.SelectAll", Category.Debug, Priority.Medium);
m_TimeSelectionLeftX = 0;
WaveFormTimeSelectionRect.Visibility = Visibility.Visible;
double width = MillisecondsPerPixelToPixelWidthConverter.calc(ZoomSlider.Value, m_ViewModel);
#if DEBUG
double widthReal = getWaveFormWidth();
DebugFix.Assert((long)Math.Round(width * 100) == (long)Math.Round(widthReal * 100));
#endif //DEBUG
WaveFormTimeSelectionRect.Width = width;
WaveFormTimeSelectionRect.SetValue(Canvas.LeftProperty, m_TimeSelectionLeftX);
}
public void ZoomSelection()
{
m_Logger.Log("AudioPaneView.OnZoomSelection", Category.Debug, Priority.Medium);
if (m_TimeSelectionLeftX < 0)
{
return;
}
double widthToUse = WaveFormScroll.ViewportWidth;
//widthToUse -= 20;
if (!m_ViewModel.State.Audio.HasContent)
{
// resets to MillisecondsPerPixelToPixelWidthConverter.defaultWidth
//m_ForceCanvasWidthUpdate = false;
ZoomSlider.Value += 1;
return;
}
double width = MillisecondsPerPixelToPixelWidthConverter.calc(ZoomSlider.Value, m_ViewModel);
#if DEBUG
double widthReal = getWaveFormWidth();
DebugFix.Assert((long)Math.Round(width * 100) == (long)Math.Round(widthReal * 100));
#endif //DEBUG
double newWidth = width * (widthToUse / WaveFormTimeSelectionRect.Width);
//if (newWidth > 8000)
//{
// newWidth = 8000; //safeguard...image too large
//}
long bytesPerPixel = m_ViewModel.State.Audio.DataLength / (long)Math.Round(newWidth);
bytesPerPixel =
m_ViewModel.State.Audio.GetCurrentPcmFormat().Data.AdjustByteToBlockAlignFrameSize(bytesPerPixel);
double millisecondsPerPixel = m_ViewModel.State.Audio.GetCurrentPcmFormat().Data.ConvertBytesToTime(bytesPerPixel) / (double)AudioLibPCMFormat.TIME_UNIT;
if (millisecondsPerPixel < ZoomSlider.Minimum)
{
ZoomSlider.Minimum = millisecondsPerPixel;
}
if (millisecondsPerPixel > ZoomSlider.Maximum)
{
ZoomSlider.Maximum = millisecondsPerPixel;
}
if (m_ViewModel.State.Audio.HasContent)
{
long selectionByteLeft = m_ViewModel.State.Audio.GetCurrentPcmFormat().Data.AdjustByteToBlockAlignFrameSize((long)Math.Round(m_TimeSelectionLeftX * BytesPerPixel));
long selectionByteRight = m_ViewModel.State.Audio.GetCurrentPcmFormat().Data.AdjustByteToBlockAlignFrameSize((long)Math.Round((m_TimeSelectionLeftX + WaveFormTimeSelectionRect.Width) * BytesPerPixel));
if (m_ViewModel.PlayBytePosition < selectionByteLeft || m_ViewModel.PlayBytePosition > selectionByteRight)
{
m_ViewModel.SetPlayHeadTimeBypassAutoPlay(selectionByteLeft);
}
}
//m_ForceCanvasWidthUpdate = false;
ZoomSlider.Value = millisecondsPerPixel;
}
