public void Add(PhotoFile file)
{
if (File1 == null)
{
File1 = file;
}
else if (File2 == null)
{
File2 = file;
}
else if (File3 == null)
{
File3 = file;
}
}
private void MakePhotoAlbum(PictureAlbum album)
{
PhotoRow currentRow = null;
var stopwatch = Stopwatch.StartNew();
var photoFiles = new List <PhotoFile>();
var photoRow = new ObservableCollection <PhotoRow>();
var secondSlice = new List <PhotoFile>();
_album = album;
if (_album.Pictures.Count > 0)
{
var cropedFiles = _album.Pictures.OrderByDescending(x => x.Date).ToList();
var maxCount = 12;
for (var i = 0; i < cropedFiles.Count; i++)
{
var p = cropedFiles[i];
var photoFile = new PhotoFile {
Picture = p, SuppressAnimation = true, IsSelected = _selectedPictures.ContainsKey(p)
};
if (i < maxCount)
{
if (i % 3 == 0)
{
currentRow = new PhotoRow();
photoRow.Add(currentRow);
}
Stream thumbnail;
try
{
thumbnail = p.GetThumbnail();
}
catch (Exception e)
{
Log.Write(string.Format("OpenPhotoPicker File getThumbnail exception album={0} file={1}\n{2}", album.Name, p.Name, e));
cropedFiles.RemoveAt(i--);
continue;
}
photoFile.IsForeground = true;
photoFile.Thumbnail = new WeakReference <Stream>(thumbnail);
photoFiles.Add(photoFile);
currentRow.Add(photoFile);
photoFile.Row = currentRow;
}
else
{
secondSlice.Add(photoFile);
}
}
}
System.Diagnostics.Debug.WriteLine(stopwatch.Elapsed);
Telegram.Api.Helpers.Execute.BeginOnUIThread(() =>
{
CurrentAlbum = album;
if (photoRow.Count < 4)
{
Photos.VerticalAlignment = VerticalAlignment.Bottom;
}
else
{
Photos.VerticalAlignment = VerticalAlignment.Stretch;
}
Photos.ItemsSource = photoRow;
//LayoutRoot.Background = new SolidColorBrush(Color.FromArgb(128, 0, 0, 0));
Photos.Visibility = Visibility.Visible;
Photos.Opacity = 0.0;
Telegram.Api.Helpers.Execute.BeginOnUIThread(() =>
{
Photos.Opacity = 1.0;
var storyboard = new Storyboard();
var translateAnimaiton = new DoubleAnimationUsingKeyFrames();
translateAnimaiton.KeyFrames.Add(new EasingDoubleKeyFrame {
KeyTime = TimeSpan.FromSeconds(0.0), Value = Photos.ActualHeight
});
translateAnimaiton.KeyFrames.Add(new EasingDoubleKeyFrame {
KeyTime = TimeSpan.FromSeconds(0.4), Value = 0.0, EasingFunction = new ExponentialEase {
Exponent = 5.0, EasingMode = EasingMode.EaseOut
}
});
Storyboard.SetTarget(translateAnimaiton, Photos);
Storyboard.SetTargetProperty(translateAnimaiton, new PropertyPath("(UIElement.RenderTransform).(TranslateTransform.Y)"));
storyboard.Children.Add(translateAnimaiton);
storyboard.Begin();
if (secondSlice.Count > 0)
{
storyboard.Completed += (o, e) =>
{
for (var i = 0; i < secondSlice.Count; i++)
{
if (i % 3 == 0)
{
currentRow = new PhotoRow();
photoRow.Add(currentRow);
}
photoFiles.Add(secondSlice[i]);
currentRow.Add(secondSlice[i]);
secondSlice[i].Row = currentRow;
}
};
}
});
});
}
private void ChangePictureSelection(PhotoFile file1, bool isSelected)
{
var index = 0;
// select middle item first of all
if (!IsSingleItem &&
_hasManipulatingDelta &&
_previousFile != null &&
_previousFile.Row == file1.Row &&
file1.Row.File2.IsSelected != isSelected)
{
var row = file1.Row;
if (
(row.File1 == _previousFile && row.File3 == file1) ||
(row.File3 == _previousFile && row.File1 == file1))
{
if (isSelected)
{
_selectedPictures[row.File2.Picture] = row.File2;
index = _selectedPictures.Count;
}
else
{
_selectedPictures.Remove(row.File2.Picture);
foreach (var photoFile in _selectedPictures.Values)
{
if (photoFile.Index > row.File2.Index)
{
photoFile.Index--;
photoFile.RaisePropertyChanged("Index");
}
}
index = 0;
}
row.File2.SuppressAnimation = false;
row.File2.IsSelected = isSelected;
row.File2.RaisePropertyChanged("IsSelected");
row.File2.Index = index;
row.File2.RaisePropertyChanged("Index");
}
}
if (isSelected)
{
_selectedPictures[file1.Picture] = file1;
index = _selectedPictures.Count;
}
else
{
_selectedPictures.Remove(file1.Picture);
foreach (var photoFile in _selectedPictures.Values)
{
if (photoFile.Index > file1.Index)
{
photoFile.Index--;
photoFile.RaisePropertyChanged("Index");
}
}
index = 0;
}
file1.SuppressAnimation = false;
file1.IsSelected = isSelected;
file1.RaisePropertyChanged("IsSelected");
file1.Index = index;
file1.RaisePropertyChanged("Index");
_previousFile = file1;
_selectButton.IsEnabled = _selectedPictures.Any();
if (IsSingleItem)
{
ChooseButton_OnClick(null, null);
LayoutRoot.IsHitTestVisible = false;
}
}
public async void SetFile(StorageFile result, PhotoFile file)
{
if (result == null)
{
return;
}
_result = result;
var properties = await result.Properties.GetImagePropertiesAsync();
if (properties != null &&
properties.Width > 0 &&
properties.Height > 0)
{
_width = properties.Width;
_height = properties.Height;
if (_width == 0 || _height == 0)
{
return;
}
var minDimension = Math.Min(_width, _height);
ImageBorder.Width = _width * 400.0 / minDimension;
ImageBorder.Height = _height * 400.0 / minDimension;
ImageBorder.Margin = new Thickness((400.0 - ImageBorder.Width) / 2.0, (400.0 - ImageBorder.Height) / 2.0,
(400.0 - ImageBorder.Width) / 2.0, (400.0 - ImageBorder.Height) / 2.0);
_stopwatch = Stopwatch.StartNew();
var stream = await result.GetThumbnailAsync(ThumbnailMode.SingleItem, 800);
System.Diagnostics.Debug.WriteLine("Picture.OpenReadAsync=" + _stopwatch.Elapsed);
var thumbnailSource = new BitmapImage();
//thumbnailSource.DecodePixelHeight = (int) ImageBorder.Height * 3;
//thumbnailSource.DecodePixelWidth = (int) ImageBorder.Width * 3;
thumbnailSource.CreateOptions = BitmapCreateOptions.BackgroundCreation;
thumbnailSource.SetSource(stream.AsStream());
Image.Source = thumbnailSource;
}
else
{
var sourceStream = await result.OpenReadAsync();
var decoder = await BitmapDecoder.CreateAsync(sourceStream);
_width = decoder.OrientedPixelWidth;
_height = decoder.OrientedPixelHeight;
if (_width == 0 || _height == 0)
{
return;
}
var minDimension = Math.Min(_width, _height);
ImageBorder.Width = _width * 400.0 / minDimension;
ImageBorder.Height = _height * 400.0 / minDimension;
ImageBorder.Margin = new Thickness((400.0 - ImageBorder.Width) / 2.0, (400.0 - ImageBorder.Height) / 2.0,
(400.0 - ImageBorder.Width) / 2.0, (400.0 - ImageBorder.Height) / 2.0);
_stopwatch = Stopwatch.StartNew();
var resizedJpeg = await DialogDetailsViewModel.ResizeJpeg(sourceStream, 800, string.Empty, string.Empty);
var stream = new MemoryStream(resizedJpeg.Bytes);
System.Diagnostics.Debug.WriteLine("Picture.OpenReadAsync=" + _stopwatch.Elapsed);
var thumbnailSource = new BitmapImage();
//thumbnailSource.DecodePixelHeight = (int) ImageBorder.Height * 3;
//thumbnailSource.DecodePixelWidth = (int) ImageBorder.Width * 3;
thumbnailSource.CreateOptions = BitmapCreateOptions.BackgroundCreation;
thumbnailSource.SetSource(stream);
Image.Source = thumbnailSource;
}
}
