/// <summary>
/// Clicking on the save button saves the photo in MainPage.ImageStream
/// to media library camera roll. Once image has been saved, the
/// application will navigate back to the main page.
/// </summary>
private async void SaveButton_Click(object sender, RoutedEventArgs e)
{
int selectedIndex = FilterPreviewListView.SelectedIndex;
DataContext dataContext = FilterEffects.DataContext.Instance;
// Create the File Picker control
var picker = new FileSavePicker();
picker.FileTypeChoices.Add("JPG File", new List <string> {
".jpg"
});
StorageFile file = await picker.PickSaveFileAsync();
if (file != null)
{
// If the file path and name is entered properly, and user has not tapped 'cancel'..
AbstractFilter filter = _filters[selectedIndex];
IBuffer buffer = await filter.RenderJpegAsync(
dataContext.FullResolutionStream.GetWindowsRuntimeBuffer());
using (IRandomAccessStream stream = await file.OpenAsync(FileAccessMode.ReadWrite))
{
await stream.WriteAsync(buffer);
await stream.FlushAsync();
}
ShowToast(Strings.ImageSavedAs + file.Name);
}
}
/// <summary>
/// Clicking on the save button opens a file picker, which prompts for
/// the location where to save the image.
/// </summary>
private async void SaveButton_Click(object sender, RoutedEventArgs e)
{
ProgressIndicator.IsActive = true;
#if WINDOWS_PHONE_APP
int selectedIndex = FilterPreviewPivot.SelectedIndex;
#else
int selectedIndex = FilterPreviewListView.SelectedIndex;
#endif
AbstractFilter filter = _filters[selectedIndex];
DataContext dataContext = FilterEffects.DataContext.Instance;
IBuffer buffer = await filter.RenderJpegAsync(
dataContext.FullResolutionStream.GetWindowsRuntimeBuffer());
FileManager fileManager = FileManager.Instance;
bool success = await fileManager.SaveImageFileAsync(buffer);
if (success)
{
#if WINDOWS_PHONE_APP
fileManager.ImageFileSavedResult += OnImageFileSavedResult;
#else
// On Windows the image is already saved
OnImageFileSavedResult(null, success);
#endif
}
else
{
ProgressIndicator.IsActive = false;
}
}
/// <summary>
/// Clicking on the save button saves the photo in MainPage.ImageStream
/// to media library camera roll. Once image has been saved, the
/// application will navigate back to the main page.
/// </summary>
private async void SaveButton_Click(object sender, EventArgs e)
{
_progressIndicator.Text = AppResources.SavingText;
_progressIndicator.IsVisible = true;
SystemTray.SetProgressIndicator(this, _progressIndicator);
int selectedIndex = FilterPreviewPivot.SelectedIndex;
DataContext dataContext = FilterEffects.DataContext.Instance;
GC.Collect();
try
{
if (selectedIndex == 0)
{
using (MediaLibrary library = new MediaLibrary())
{
dataContext.FullResolutionStream.Position = 0;
library.SavePictureToCameraRoll(FileNamePrefix
+ DateTime.Now.ToString() + ".jpg",
dataContext.FullResolutionStream);
}
}
else
{
AbstractFilter filter = _filters[selectedIndex];
IBuffer buffer = await filter.RenderJpegAsync(
dataContext.FullResolutionStream.GetWindowsRuntimeBuffer());
using (MediaLibrary library = new MediaLibrary())
{
library.SavePictureToCameraRoll(FileNamePrefix
+ DateTime.Now.ToString() + ".jpg", buffer.AsStream());
}
}
}
catch (Exception ex)
{
MessageBox.Show("Failed to save the image: " + ex.ToString());
}
_progressIndicator.IsVisible = false;
SystemTray.SetProgressIndicator(this, _progressIndicator);
NavigationService.GoBack();
}
