public void onCameraTaskCompleted(object sender, PhotoResult e)
{
if (e.Error != null)
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR));
return;
}
switch (e.TaskResult)
{
case TaskResult.OK:
try
{
string imagePathOrContent = string.Empty;
if (cameraOptions.DestinationType == FILE_URI)
{
// Save image in media library
if (cameraOptions.SaveToPhotoAlbum)
{
MediaLibrary library = new MediaLibrary();
Picture pict = library.SavePicture(e.OriginalFileName, e.ChosenPhoto); // to save to photo-roll ...
}
int orient = ImageExifHelper.getImageOrientationFromStream(e.ChosenPhoto);
int newAngle = 0;
switch (orient)
{
case ImageExifOrientation.LandscapeLeft:
newAngle = 90;
break;
case ImageExifOrientation.PortraitUpsideDown:
newAngle = 180;
break;
case ImageExifOrientation.LandscapeRight:
newAngle = 270;
break;
case ImageExifOrientation.Portrait:
default: break; // 0 default already set
}
Stream rotImageStream = ImageExifHelper.RotateStream(e.ChosenPhoto, newAngle);
// we should return stream position back after saving stream to media library
rotImageStream.Seek(0, SeekOrigin.Begin);
WriteableBitmap image = PictureDecoder.DecodeJpeg(rotImageStream);
imagePathOrContent = this.SaveImageToLocalStorage(image, Path.GetFileName(e.OriginalFileName));
}
else if (cameraOptions.DestinationType == DATA_URL)
{
imagePathOrContent = this.GetImageContent(e.ChosenPhoto);
}
else
{
// TODO: shouldn't this happen before we launch the camera-picker?
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Incorrect option: destinationType"));
return;
}
DispatchCommandResult(new PluginResult(PluginResult.Status.OK, imagePathOrContent));
}
catch (Exception)
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Error retrieving image."));
}
break;
case TaskResult.Cancel:
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Selection cancelled."));
break;
default:
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Selection did not complete!"));
break;
}
}
public void onTaskCompleted(object sender, PhotoResult e)
{
var task = sender as ChooserBase <PhotoResult>;
if (task != null)
{
task.Completed -= onTaskCompleted;
}
if (e.Error != null)
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR));
return;
}
switch (e.TaskResult)
{
case TaskResult.OK:
try
{
string imagePathOrContent = string.Empty;
// Save image back to media library
// only save to photoalbum if it didn't come from there ...
if (cameraOptions.PictureSourceType == CAMERA && cameraOptions.SaveToPhotoAlbum)
{
MediaLibrary library = new MediaLibrary();
Picture pict = library.SavePicture(e.OriginalFileName, e.ChosenPhoto); // to save to photo-roll ...
}
int newAngle = 0;
// There's bug in Windows Phone 8.1 causing Seek on a DssPhotoStream not working properly.
// https://connect.microsoft.com/VisualStudio/feedback/details/783252
// But a mis-oriented file is better than nothing, so try and catch.
try {
int orient = ImageExifHelper.getImageOrientationFromStream(e.ChosenPhoto);
switch (orient)
{
case ImageExifOrientation.LandscapeLeft:
newAngle = 90;
break;
case ImageExifOrientation.PortraitUpsideDown:
newAngle = 180;
break;
case ImageExifOrientation.LandscapeRight:
newAngle = 270;
break;
case ImageExifOrientation.Portrait:
default: break; // 0 default already set
}
} catch {
Debug.WriteLine("Error fetching orientation from Exif");
}
if (newAngle != 0)
{
using (Stream rotImageStream = ImageExifHelper.RotateStream(e.ChosenPhoto, newAngle))
{
// we should reset stream position after saving stream to media library
rotImageStream.Seek(0, SeekOrigin.Begin);
if (cameraOptions.DestinationType == DATA_URL)
{
imagePathOrContent = GetImageContent(rotImageStream);
}
else // FILE_URL or NATIVE_URI (both use the same resultant uri format)
{
imagePathOrContent = SaveImageToLocalStorage(rotImageStream, Path.GetFileName(e.OriginalFileName));
}
}
}
else // no need to reorient
{
if (cameraOptions.DestinationType == DATA_URL)
{
imagePathOrContent = GetImageContent(e.ChosenPhoto);
}
else // FILE_URL or NATIVE_URI (both use the same resultant uri format)
{
imagePathOrContent = SaveImageToLocalStorage(e.ChosenPhoto, Path.GetFileName(e.OriginalFileName));
}
}
DispatchCommandResult(new PluginResult(PluginResult.Status.OK, imagePathOrContent));
}
catch (Exception)
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Error retrieving image."));
}
break;
case TaskResult.Cancel:
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Selection cancelled."));
break;
default:
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Selection did not complete!"));
break;
}
}
/// <summary>
/// Handles result of capture to save image information
/// </summary>
/// <param name="sender"></param>
/// <param name="e">stores information about current captured image</param>
private void cameraTask_Completed(object sender, PhotoResult e)
{
if (e.Error != null)
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR));
return;
}
switch (e.TaskResult)
{
case TaskResult.OK:
try
{
string fileName = System.IO.Path.GetFileName(e.OriginalFileName);
// Save image in media library
MediaLibrary library = new MediaLibrary();
Picture image = library.SavePicture(fileName, e.ChosenPhoto);
int orient = ImageExifHelper.getImageOrientationFromStream(e.ChosenPhoto);
int newAngle = 0;
switch (orient)
{
case ImageExifOrientation.LandscapeLeft:
newAngle = 90;
break;
case ImageExifOrientation.PortraitUpsideDown:
newAngle = 180;
break;
case ImageExifOrientation.LandscapeRight:
newAngle = 270;
break;
case ImageExifOrientation.Portrait:
default: break; // 0 default already set
}
Stream rotImageStream = ImageExifHelper.RotateStream(e.ChosenPhoto, newAngle);
// Save image in isolated storage
// we should return stream position back after saving stream to media library
rotImageStream.Seek(0, SeekOrigin.Begin);
byte[] imageBytes = new byte[rotImageStream.Length];
rotImageStream.Read(imageBytes, 0, imageBytes.Length);
rotImageStream.Dispose();
string pathLocalStorage = this.SaveImageToLocalStorage(fileName, isoFolder, imageBytes);
imageBytes = null;
// Get image data
MediaFile data = new MediaFile(pathLocalStorage, image);
this.files.Add(data);
if (files.Count < this.captureImageOptions.Limit)
{
cameraTask.Show();
}
else
{
DispatchCommandResult(new PluginResult(PluginResult.Status.OK, files));
files.Clear();
}
}
catch (Exception)
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Error capturing image."));
}
break;
case TaskResult.Cancel:
if (files.Count > 0)
{
// User canceled operation, but some images were made
DispatchCommandResult(new PluginResult(PluginResult.Status.OK, files));
files.Clear();
}
else
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Canceled."));
}
break;
default:
if (files.Count > 0)
{
DispatchCommandResult(new PluginResult(PluginResult.Status.OK, files));
files.Clear();
}
else
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Did not complete!"));
}
break;
}
}
public void onTaskCompleted(object sender, PhotoResult e)
{
var task = sender as ChooserBase <PhotoResult>;
if (task != null)
{
task.Completed -= onTaskCompleted;
}
if (e.Error != null)
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR));
return;
}
switch (e.TaskResult)
{
case TaskResult.OK:
try
{
string imagePathOrContent = string.Empty;
// Save image back to media library
// only save to photoalbum if it didn't come from there ...
if (cameraOptions.PictureSourceType == CAMERA && cameraOptions.SaveToPhotoAlbum)
{
MediaLibrary library = new MediaLibrary();
Picture pict = library.SavePicture(e.OriginalFileName, e.ChosenPhoto); // to save to photo-roll ...
}
int orient = ImageExifHelper.getImageOrientationFromStream(e.ChosenPhoto);
int newAngle = 0;
switch (orient)
{
case ImageExifOrientation.LandscapeLeft:
newAngle = 90;
break;
case ImageExifOrientation.PortraitUpsideDown:
newAngle = 180;
break;
case ImageExifOrientation.LandscapeRight:
newAngle = 270;
break;
case ImageExifOrientation.Portrait:
default: break; // 0 default already set
}
if (newAngle != 0)
{
using (Stream rotImageStream = ImageExifHelper.RotateStream(e.ChosenPhoto, newAngle))
{
// we should reset stream position after saving stream to media library
rotImageStream.Seek(0, SeekOrigin.Begin);
if (cameraOptions.DestinationType == DATA_URL)
{
imagePathOrContent = GetImageContent(rotImageStream);
}
else // FILE_URL
{
imagePathOrContent = SaveImageToLocalStorage(rotImageStream, Path.GetFileName(e.OriginalFileName));
}
}
}
else // no need to reorient
{
if (cameraOptions.DestinationType == DATA_URL)
{
imagePathOrContent = GetImageContent(e.ChosenPhoto);
}
else // FILE_URL
{
imagePathOrContent = SaveImageToLocalStorage(e.ChosenPhoto, Path.GetFileName(e.OriginalFileName));
}
}
DispatchCommandResult(new PluginResult(PluginResult.Status.OK, imagePathOrContent));
}
catch (Exception)
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Error retrieving image."));
}
break;
case TaskResult.Cancel:
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Selection cancelled."));
break;
default:
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Selection did not complete!"));
break;
}
}