/// <summary>
/// Recalculate the picture settings when the user changes a particular field defined in the ChangedPictureField enum.
/// The properties in this class are dumb. They simply call this method if there is a change.
/// It is the job of this method to update all affected private fields and raise change notifications.
/// </summary>
/// <param name="changedField">
/// The changed field.
/// </param>
private void RecaulcatePictureSettingsProperties(ChangedPictureField changedField)
{
// Sanity Check
if (this.currentTitle == null)
{
return;
}
// Step 1, Update what controls are visible.
this.UpdateVisibileControls();
// Step 2, Set sensible defaults
if (changedField == ChangedPictureField.Anamorphic && (this.SelectedAnamorphicMode == Anamorphic.None || this.SelectedAnamorphicMode == Anamorphic.Loose))
{
this.Task.Width = this.sourceResolution.Width > this.MaxWidth
? this.MaxWidth
: this.sourceResolution.Width;
this.Task.KeepDisplayAspect = true;
}
// Choose which setting to keep.
PictureSize.KeepSetting setting = PictureSize.KeepSetting.HB_KEEP_WIDTH;
switch (changedField)
{
case ChangedPictureField.Width:
setting = PictureSize.KeepSetting.HB_KEEP_WIDTH;
break;
case ChangedPictureField.Height:
setting = PictureSize.KeepSetting.HB_KEEP_HEIGHT;
break;
}
// Step 2, For the changed field, call hb_set_anamorphic_size and process the results.
PictureSize.AnamorphicResult result = PictureSize.hb_set_anamorphic_size2(this.GetPictureSettings(changedField), this.GetPictureTitleInfo(), setting);
double dispWidth = Math.Round((result.OutputWidth * result.OutputParWidth / result.OutputParHeight), 0);
this.Task.Width = result.OutputWidth;
this.Task.Height = result.OutputHeight;
long x, y;
HandBrakeUtils.Reduce((int)Math.Round(result.OutputParWidth, 0), (int)Math.Round(result.OutputParHeight, 0), out x, out y);
this.Task.PixelAspectX = (int)Math.Round(result.OutputParWidth, 0);
this.Task.PixelAspectY = (int)Math.Round(result.OutputParHeight, 0);
this.Task.DisplayWidth = dispWidth;
// Step 3, Set the display width label to indicate the output.
this.DisplaySize = this.sourceResolution == null || this.sourceResolution.IsEmpty
? string.Empty
: string.Format(Resources.PictureSettingsViewModel_StorageDisplayLabel, dispWidth, result.OutputHeight, this.ParWidth, this.ParHeight);
// Step 4, Force an update on all the UI elements.
this.NotifyOfPropertyChange(() => this.Width);
this.NotifyOfPropertyChange(() => this.Height);
this.NotifyOfPropertyChange(() => this.DisplayWidth);
this.NotifyOfPropertyChange(() => this.ParWidth);
this.NotifyOfPropertyChange(() => this.ParHeight);
this.NotifyOfPropertyChange(() => this.CropTop);
this.NotifyOfPropertyChange(() => this.CropBottom);
this.NotifyOfPropertyChange(() => this.CropLeft);
this.NotifyOfPropertyChange(() => this.CropRight);
this.NotifyOfPropertyChange(() => this.SelectedModulus);
this.NotifyOfPropertyChange(() => this.MaintainAspectRatio);
// Step 5, Update the Preview
if (delayedPreviewprocessor != null && this.Task != null && this.StaticPreviewViewModel != null && this.StaticPreviewViewModel.IsOpen)
{
delayedPreviewprocessor.PerformTask(() => this.StaticPreviewViewModel.UpdatePreviewFrame(this.Task, this.scannedSource), 800);
}
}
