private void ImageMover(object sender)
{
GunaButton c = (GunaButton)sender;
SlidePicture.Location = new Point(c.Location.X + 27, c.Location.Y - 8);
SlidePicture.SendToBack();
}
/// <summary>
/// Method to do the work of actually loading the image from file. This method
/// should only be used by the prefetching thread.
/// </summary>
public void LoadNextSlideThread()
{
try
{
Debug.Assert(Thread.CurrentThread == _prefetchingThread);
lock (_slidesLock)
{
NeededSlide = new SlidePicture(_neededSlideFilePath, false);
}
lock (_prefetchingThreadLock)
{
_prefetchingThread = null;
}
}
catch (ThreadAbortException ex)
{
Log.Debug("SlideCache: LoadNextSlideThread {0}", ex.Message);
// abort is expected when slide changes outpace prefetch, ignore
// Trace.WriteLine(String.Format(" ...aborted {0} slide {1}", _neededSlideRelativeIndex.ToString("G"), System.IO.Path.GetFileNameWithoutExtension(_neededSlideFilePath)));
}
catch (Exception ex)
{
Log.Error("SlideCache: LoadNextSlideThread {0}", ex.Message);
}
}
public override IShape Create(OpenXmlCompositeElement pShapeTreeChild, SCSlide slide)
{
P.Picture pPicture;
if (pShapeTreeChild is P.Picture treePic)
{
pPicture = treePic;
}
else
{
var framePic = pShapeTreeChild.Descendants <P.Picture>().FirstOrDefault();
pPicture = framePic;
}
if (pPicture != null)
{
var pBlipFill = pPicture.GetFirstChild <P.BlipFill>();
var blipRelateId = pBlipFill?.Blip?.Embed?.Value;
if (blipRelateId == null)
{
return(null);
}
var spContext = _shapeContextBuilder.Build(pShapeTreeChild);
var picture = new SlidePicture(slide, blipRelateId, spContext, pPicture);
return(picture);
}
return(Successor?.Create(pShapeTreeChild, slide));
}
private void SignInButton_Click_1(object sender, EventArgs e)
{
USERsignPANEL.SignupPanel.Visible = false;
USERsignPANEL.signupButton.Visible = false;
addusercontrol(USERsignPANEL, panel3);
gunaButton2.Enabled = true;
SlidePicture.Location = SlidePicture.Location = new Point(gunaButton2.Location.X + 27, gunaButton2.Location.Y - 8);
SlidePicture.SendToBack();
}
public SlidePicture GetCurrentSlide(string slideFilePath)
{
// wait for any (needed) prefetching to complete
lock (_prefetchingThreadLock)
{
bool itemFiles = File.Exists(slideFilePath);
if (!itemFiles)
{
CurrentSlide = new SlidePicture(slideFilePath, false);
return CurrentSlide;
}
if (_prefetchingThread != null)
{
// only wait for the prefetching if it is for the slide file that we need
if (_neededSlideFilePath == slideFilePath)
{
_prefetchingThread.Priority = ThreadPriority.AboveNormal;
}
else
{
// uneeded, abort
_prefetchingThread.Abort();
_prefetchingThread = null;
}
}
}
while (_prefetchingThread != null)
{
GUIWindowManager.Process();
}
lock (_slidesLock)
{
// try and use pre-fetched slide if appropriate
if (NextSlide != null && NextSlide.FilePath == slideFilePath)
{
return NextSlide;
}
else if (PrevSlide != null && PrevSlide.FilePath == slideFilePath)
{
return PrevSlide;
}
else if (CurrentSlide != null && CurrentSlide.FilePath == slideFilePath)
{
return CurrentSlide;
}
else
{
// slide is not in cache, so get it now
CurrentSlide = new SlidePicture(slideFilePath, false);
return CurrentSlide;
}
}
}
public SlidePicture GetCurrentSlide(string slideFilePath)
{
// wait for any (needed) prefetching to complete
lock (_prefetchingThreadLock)
{
bool itemFiles = File.Exists(slideFilePath);
if (!itemFiles)
{
CurrentSlide = new SlidePicture(slideFilePath, false);
return(CurrentSlide);
}
if (_prefetchingThread != null)
{
// only wait for the prefetching if it is for the slide file that we need
if (_neededSlideFilePath == slideFilePath)
{
_prefetchingThread.Priority = ThreadPriority.AboveNormal;
}
else
{
// uneeded, abort
_prefetchingThread.Abort();
_prefetchingThread = null;
}
}
}
while (_prefetchingThread != null)
{
GUIWindowManager.Process();
}
lock (_slidesLock)
{
// try and use pre-fetched slide if appropriate
if (NextSlide != null && NextSlide.FilePath == slideFilePath)
{
return(NextSlide);
}
else if (PrevSlide != null && PrevSlide.FilePath == slideFilePath)
{
return(PrevSlide);
}
else if (CurrentSlide != null && CurrentSlide.FilePath == slideFilePath)
{
return(CurrentSlide);
}
else
{
// slide is not in cache, so get it now
CurrentSlide = new SlidePicture(slideFilePath, false);
return(CurrentSlide);
}
}
}
public void PrefetchNextSlide(string prevPath, string currPath, string nextPath)
{
lock (_prefetchingThreadLock)
{
// assume that any incomplete prefetching is uneeded, abort
if (_prefetchingThread != null)
{
_prefetchingThread.Abort();
_prefetchingThread = null;
}
}
lock (_slidesLock)
{
// shift slides and determine _neededSlideRelativeIndex
if (NextSlide != null && NextSlide.FilePath == currPath)
{
PrevSlide = CurrentSlide;
CurrentSlide = NextSlide;
_neededSlideFilePath = nextPath;
_neededSlideRelativeIndex = RelativeIndex.Next;
}
else if (PrevSlide != null && PrevSlide.FilePath == currPath)
{
NextSlide = CurrentSlide;
CurrentSlide = PrevSlide;
_neededSlideFilePath = prevPath;
_neededSlideRelativeIndex = RelativeIndex.Prev;
}
else
{
// may need all 3, but just get next
_neededSlideFilePath = nextPath;
_neededSlideRelativeIndex = RelativeIndex.Next;
}
}
lock (_prefetchingThreadLock)
{
_prefetchingThread = new Thread(LoadNextSlideThread);
_prefetchingThread.IsBackground = true;
_prefetchingThread.Name = "PicPrefetch";
//string cacheString = String.Format("cache:{0}|{1}|{2} ",
// _slides[0] != null ? "1" : "0",
// _slides[1] != null ? "1" : "0",
// _slides[2] != null ? "1" : "0");
//Trace.WriteLine(cacheString + String.Format("prefetching {0} slide {1}", _neededSlideRelativeIndex.ToString("G"), System.IO.Path.GetFileNameWithoutExtension(_neededSlideFilePath)));
_prefetchingThread.Start();
}
}
public void InvalidateSlide(string slideFilePath)
{
lock (_slidesLock)
{
for (int i = 0; i < _slides.Length; i++)
{
SlidePicture slide = _slides[i];
if (slide != null && slide.FilePath == slideFilePath)
{
_slides[i] = null;
}
}
}
// Note that we could pre-fetch the invalidated slide, but if the new version
// of the slide is going to be requested immediately (as with DoRotate) then
// pre-fetching won't help.
}
private void PushCurrentTextureToBackground()
{
if (null != _backgroundSlide)
{
//_backgroundSlide.Texture.Dispose();
_backgroundSlide = null;
}
_backgroundSlide = _currentSlide;
_zoomFactorBackground = _currentZoomFactor;
_zoomLeftBackground = _currentZoomLeft;
_zoomTopBackground = _currentZoomTop;
_zoomTypeBackground = _currentZoomType;
_currentSlide = null;
_slideTime = (int)(DateTime.Now.Ticks / 10000);
}
private void LoadRawPictureThread()
{
// load picture
string slideFilePath = _slideList[_currentSlideIndex];
_backgroundSlide = new SlidePicture(slideFilePath, true);
ResetCurrentZoom(_backgroundSlide);
_isLoadingRawPicture = false;
}
private void DoRotate(int degrees)
{
GUIPictures.DoRotatePicture(_backgroundSlide.FilePath, degrees);
InvalidateSlide(_backgroundSlide.FilePath);
if (null != _currentSlide)
{
//_currentSlide.Texture.Dispose();
_currentSlide = null;
}
if (_backgroundSlide == null || _backgroundSlide.FilePath.Length == 0)
{
return;
}
LoadCurrentSlide();
//int iMaxWidth = GUIGraphicsContext.OverScanWidth;
//int iMaxHeight = GUIGraphicsContext.OverScanHeight;
//int X, Y;
//_currentTexture = MediaPortal.Util.Picture.Load(_backgroundSlideFileName, _rotation, iMaxWidth, iMaxHeight, true, true, out X, out Y);
//_currentSlide.Width = X;
//_currentSlide.Height = Y;
//_currentSlideFileName = _backgroundSlideFileName;
//_zoomFactorBackground = _defaultZoomFactor;
//_kenBurnsEffect = 0;
//_userZoomLevel = 1.0f;
//_isPictureZoomed = false;
//_zoomLeft = 0;
//_zoomTop = 0;
//_slideTime = (int)(DateTime.Now.Ticks / 10000);
//_frameCounter = 0;
_transitionMethod = 9;
}
private void ResetCurrentZoom(SlidePicture slide)
{
_kenBurnsEffect = 0;
_currentZoomFactor = 1.0f;
_currentZoomLeft = 0;
_currentZoomTop = 0;
_zoomInfoVisible = false;
CalculateBestZoom(slide.Width, slide.Height);
}
public void StartSlideShow(string path)
{
LoadSettings();
_isBackgroundMusicPlaying = false;
StartBackgroundMusic(path);
GUIPictureSlideShow._slideDirection = 1;
_isSlideShow = true;
if (_autoShuffle && (_isSlideShow || _showRecursive))
{
Shuffle(false, false);
// Reset currentSlideIndex when slideshow start from context menu
_currentSlideIndex = 0;
_currentSlide = _slideCache.GetCurrentSlide(_slideList[_currentSlideIndex]);
}
}
public void PrefetchNextSlide(string prevPath, string currPath, string nextPath)
{
lock (_prefetchingThreadLock)
{
// assume that any incomplete prefetching is uneeded, abort
if (_prefetchingThread != null)
{
_prefetchingThread.Abort();
_prefetchingThread = null;
}
}
lock (_slidesLock)
{
// shift slides and determine _neededSlideRelativeIndex
if (NextSlide != null && NextSlide.FilePath == currPath)
{
PrevSlide = CurrentSlide;
CurrentSlide = NextSlide;
_neededSlideFilePath = nextPath;
_neededSlideRelativeIndex = RelativeIndex.Next;
}
else if (PrevSlide != null && PrevSlide.FilePath == currPath)
{
NextSlide = CurrentSlide;
CurrentSlide = PrevSlide;
_neededSlideFilePath = prevPath;
_neededSlideRelativeIndex = RelativeIndex.Prev;
}
else
{
// may need all 3, but just get next
_neededSlideFilePath = nextPath;
_neededSlideRelativeIndex = RelativeIndex.Next;
}
}
lock (_prefetchingThreadLock)
{
_prefetchingThread = new Thread(LoadNextSlideThread);
_prefetchingThread.IsBackground = true;
_prefetchingThread.Name = "PicPrefetch";
//string cacheString = String.Format("cache:{0}|{1}|{2} ",
// _slides[0] != null ? "1" : "0",
// _slides[1] != null ? "1" : "0",
// _slides[2] != null ? "1" : "0");
//Trace.WriteLine(cacheString + String.Format("prefetching {0} slide {1}", _neededSlideRelativeIndex.ToString("G"), System.IO.Path.GetFileNameWithoutExtension(_neededSlideFilePath)));
_prefetchingThread.Start();
}
}
public void Reset()
{
_slideList.Clear();
_infoVisible = false;
_zoomInfoVisible = false;
_isSlideShow = false;
_isPaused = false;
_loadVideoPlayback = false;
_zoomFactorBackground = _defaultZoomFactor;
_currentZoomFactor = _defaultZoomFactor;
_kenBurnsEffect = 0;
//_isPictureZoomed = false;
_currentZoomLeft = 0;
_currentZoomTop = 0;
_currentZoomLeft = 0;
_currentZoomTop = 0;
_frameCounter = 0;
_currentSlideIndex = -1;
_lastSlideShown = -1;
_slideTime = 0;
_userZoomLevel = 1.0f;
_lastSegmentIndex = -1;
if (null != _backgroundSlide)
{
//_backgroundSlide.Texture.Dispose();
_backgroundSlide = null;
}
if (null != _currentSlide)
{
//_currentSlide.Texture.Dispose();
_currentSlide = null;
}
if (_isBackgroundMusicPlaying)
{
g_Player.Stop();
}
}
/// <summary>
/// Method to do the work of actually loading the image from file. This method
/// should only be used by the prefetching thread.
/// </summary>
public void LoadNextSlideThread()
{
try
{
Debug.Assert(Thread.CurrentThread == _prefetchingThread);
lock (_slidesLock)
{
NeededSlide = new SlidePicture(_neededSlideFilePath, false);
}
lock (_prefetchingThreadLock)
{
_prefetchingThread = null;
}
}
catch (ThreadAbortException)
{
// abort is expected when slide changes outpace prefetch, ignore
// Trace.WriteLine(String.Format(" ...aborted {0} slide {1}", _neededSlideRelativeIndex.ToString("G"), System.IO.Path.GetFileNameWithoutExtension(_neededSlideFilePath)));
}
catch (Exception) {}
}
/// <summary>
/// PPT产生缩略图
/// </summary>
/// <param name="filePath"></param>
/// <param name="previewPath"></param>
/// <returns></returns>
private static bool GetThumbnailPpt(string filePath, string previewPath)
{
bool result = false;
Presentation ppt = new Presentation();
try
{
ppt.LoadFromFile(filePath);
if (ppt.Slides.Count > 0)
{
//生成图片
foreach (IShape s in ppt.Slides[0].Shapes)
{
if (s is SlidePicture)
{
SlidePicture ps = s as SlidePicture;
ps.PictureFill.Picture.EmbedImage.Image.Save(previewPath);
if (File.Exists(previewPath))
{
result = true;
}
ps.Dispose();
}
if (s is PictureShape)
{
PictureShape ps = s as PictureShape;
ps.EmbedImage.Image.Save(previewPath);
if (File.Exists(previewPath))
{
result = true;
}
}
}
if (!result)
{
string temImage = Path.GetDirectoryName(previewPath) + "\\" + Guid.NewGuid().ToString() + ".emf";
ppt.Slides[0].SaveAsEMF(temImage);
Image image = Bitmap.FromFile(temImage);
image.Save(previewPath);
image.Dispose();
File.Delete(temImage);
if (File.Exists(previewPath))
{
result = true;
}
}
if (!result)
{
result = GetThumbnailWritten("PPT", previewPath);
}
}
ppt.Dispose();
}
catch
{
ppt.Dispose();
result = GetThumbnailWritten("PPT", previewPath);
}
return(result);
}
