public bool startSlideShow()
{
if (this.powerpoint == null)
{
return(false);
}
if (this.powerpoint.Presentations.Count == 0)
{
return(false);
}
stopSlideShow();
if (slides == null)
{
presentations = powerpoint.Presentations;
presentation = presentations._Index(1);
if (presentation != null)
{
slides = presentation.Slides;
}
}
if (slides != null)
{
int all = slides.Count;
int[] SlideIdx = new int[all];
for (int i = 0; i < all; i++)
{
SlideIdx[i] = i + 1;
}
slideRange = slides.Range(SlideIdx);
slideShowTransition = slideRange.SlideShowTransition;
slideShowTransition.AdvanceOnTime = Microsoft.Office.Core.MsoTriState.msoFalse;
slideShowTransition.EntryEffect = Microsoft.Office.Interop.PowerPoint.PpEntryEffect.ppEffectBoxOut;
//Prevent Office Assistant from displaying alert messages:
//dumps if NotFiniteNumberException installed bAssistantOn = powerpoint.Assistant.On;
// powerpoint.Assistant.On = false;
//Run the Slide show
slideShowSettings = presentation.SlideShowSettings;
slideShowSettings.StartingSlide = 1;
slideShowSettings.EndingSlide = all;
slideShowWindow = slideShowSettings.Run();
slideShowWindows = powerpoint.SlideShowWindows;
}
return(true);
}
public bool startSlideShow()
{
if (this.powerpoint == null) return false;
if (this.powerpoint.Presentations.Count == 0) return false;
stopSlideShow();
if (slides == null)
{
presentations = powerpoint.Presentations;
presentation = presentations._Index(1);
if (presentation != null)
{
slides = presentation.Slides;
}
}
if (slides != null)
{
int all = slides.Count;
int[] SlideIdx = new int[all];
for (int i = 0; i < all; i++) SlideIdx[i] = i + 1;
slideRange = slides.Range(SlideIdx);
slideShowTransition = slideRange.SlideShowTransition;
slideShowTransition.AdvanceOnTime = Microsoft.Office.Core.MsoTriState.msoFalse;
slideShowTransition.EntryEffect = Microsoft.Office.Interop.PowerPoint.PpEntryEffect.ppEffectBoxOut;
//Prevent Office Assistant from displaying alert messages:
//dumps if NotFiniteNumberException installed bAssistantOn = powerpoint.Assistant.On;
// powerpoint.Assistant.On = false;
//Run the Slide show
slideShowSettings = presentation.SlideShowSettings;
slideShowSettings.StartingSlide = 1;
slideShowSettings.EndingSlide = all;
slideShowWindow = slideShowSettings.Run();
slideShowWindows = powerpoint.SlideShowWindows;
}
return true;
}
public SlideShow(BrowsablePointer item, uint interval_ms, bool init)
: base()
{
this.item = item;
DoubleBuffered = false;
AppPaintable = true;
CanFocus = true;
item.Changed += HandleItemChanged;
foreach (TransitionNode transition in AddinManager.GetExtensionNodes ("/FSpot/SlideShow")) {
if (this.transition == null)
this.transition = transition.Transition;
transitions.Add (transition.Transition);
}
flip = new DelayedOperation (interval_ms, delegate {item.MoveNext (true); return true;});
animation = new DoubleAnimation (0, 1, new TimeSpan (0, 0, 2), HandleProgressChanged, GLib.Priority.Default);
if (init) {
HandleItemChanged (null, null);
}
}
private static void addSlideTimings(Slide slide, List <float> result)
{
SlideShowTransition sst = slide.SlideShowTransition;
Sequence sequence = slide.TimeLine.MainSequence;
float slideStart = 0f;
if (result.Count > 0)
{
sst.Duration = defaultTransitionDuration;
slideStart = result.Last() + defaultTransitionDuration;
result.Add(slideStart);
}
if (sequence.Count > 0)
{
for (int i = 1; i <= sequence.Count; i++)
{
Effect effect = sequence[i];
Timing timing = effect.Timing;
float animationDelay = timing.TriggerDelayTime;
float animationDuration = timing.Duration;
if (animationDelay <= 0)
{
animationDelay = defaultAnimationDelay;
timing.TriggerDelayTime = defaultAnimationDelay;
}
if (animationDuration <= 0)
{
animationDuration = defaultAnimationDuration;
timing.Duration = defaultAnimationDuration;
}
timing.TriggerType = MsoAnimTriggerType.msoAnimTriggerAfterPrevious;
if (effect.EffectInformation.TextUnitEffect == MsoAnimTextUnitEffect.msoAnimTextUnitEffectByCharacter)
{
animationDuration = animationDuration * getCharactersCount(effect.DisplayName);
}
if (effect.EffectInformation.TextUnitEffect == MsoAnimTextUnitEffect.msoAnimTextUnitEffectByWord)
{
animationDuration = animationDuration * effect.DisplayName.Split(' ').Length;
}
float lastPoint = result.Count > 0 ? result.Last() : 0;
result.Add(lastPoint + animationDelay + animationDuration);
}
}
float currentPoint = result.Count > 0 ? result.Last() : 0;
float averallAnimationDuration = currentPoint - slideStart;
// 1 - transition time
double actualSlideDuration = DEFAULT_SLIDE_DURATION * (Math.Floor((double)averallAnimationDuration / (double)DEFAULT_SLIDE_DURATION) + 1); // 5, 10, 15 ...
sst.AdvanceOnTime = MsoTriState.msoTrue;
sst.AdvanceOnClick = MsoTriState.msoFalse;
sst.AdvanceTime = (float)actualSlideDuration;
result.Add(slideStart + (float)actualSlideDuration);
}
