/// <summary>
/// Converts a PhotoOrientation value into a human readable string.
/// The text is adapted from the EXIF specification.
/// Note that PhotoOrientation uses a counterclockwise convention,
/// while the EXIF spec uses a clockwise convention.
/// </summary>
public static string GetOrientationString(PhotoOrientation input)
{
switch (input)
{
case PhotoOrientation.Normal:
return "No rotation";
case PhotoOrientation.FlipHorizontal:
return "Flip horizontally";
case PhotoOrientation.Rotate180:
return "Rotate 180˚ clockwise";
case PhotoOrientation.FlipVertical:
return "Flip vertically";
case PhotoOrientation.Transpose:
return "Rotate 270˚ clockwise, then flip horizontally";
case PhotoOrientation.Rotate270:
return "Rotate 90˚ clockwise";
case PhotoOrientation.Transverse:
return "Rotate 90˚ clockwise, then flip horizontally";
case PhotoOrientation.Rotate90:
return "Rotate 270˚ clockwise";
case PhotoOrientation.Unspecified:
default:
return "Unspecified";
}
}
/// <summary>
/// Clears all of the state that is stored in memory and in the UI.
/// </summary>
private void ResetSessionState()
{
m_fileToken = null;
m_displayHeightNonScaled = 0;
m_displayWidthNonScaled = 0;
m_scaleFactor = 1;
m_userRotation = PhotoOrientation.Normal;
m_exifOrientation = PhotoOrientation.Normal;
m_disableExifOrientation = false;
RotateLeftButton.IsEnabled = false;
RotateRightButton.IsEnabled = false;
SaveButton.IsEnabled = false;
SaveAsButton.IsEnabled = false;
CloseButton.IsEnabled = false;
PreviewImage.Source = null;
m_transform.CenterX = ImageViewbox.Width / 2;
m_transform.CenterY = ImageViewbox.Height / 2;
ImageViewbox.RenderTransform = m_transform;
UpdateImageRotation(PhotoOrientation.Normal);
ScaleTextblock.Text = "";
ScaleSlider.Value = 100;
ScaleSlider.IsEnabled = false;
HeightTextblock.Text = "";
WidthTextblock.Text = "";
UserRotationTextblock.Text = "";
ExifOrientationTextblock.Text = "";
}
/// <summary>
/// Counterpart to ConvertToPhotoOrientation(ushort input), maps PhotoOrientation enum
/// values to an unsigned 16-bit integer representing the EXIF orientation flag.
/// </summary>
public static ushort ConvertToExifOrientationFlag(PhotoOrientation input)
{
switch (input)
{
case PhotoOrientation.Normal:
return(1);
case PhotoOrientation.FlipHorizontal:
return(2);
case PhotoOrientation.Rotate180:
return(3);
case PhotoOrientation.FlipVertical:
return(4);
case PhotoOrientation.Transpose:
return(5);
case PhotoOrientation.Rotate270:
return(6);
case PhotoOrientation.Transverse:
return(7);
case PhotoOrientation.Rotate90:
return(8);
default:
return(1);
}
}
private static async Task CheckForFaces(IRandomAccessStream stream, PhotoOrientation photoOrientation)
{
try
{
using (var inputStream = stream)
{
var decoder = await BitmapDecoder.CreateAsync(inputStream);
using (var inmem = new InMemoryRandomAccessStream())
{
var encoder = await BitmapEncoder.CreateForTranscodingAsync(inmem, decoder);
var properties = new BitmapPropertySet {
{ "System.Photo.Orientation", new BitmapTypedValue(photoOrientation, PropertyType.UInt16) }
};
await encoder.BitmapProperties.SetPropertiesAsync(properties);
await encoder.FlushAsync();
var subscriptionKey = "6b12f0c9eacd48ceaa3a26dd051677ae";
var faceServiceClient = new FaceServiceClient(subscriptionKey);
Face[] faces = await faceServiceClient.DetectAsync(inmem.AsStream(), false, true, new FaceAttributeType[] { FaceAttributeType.Gender, FaceAttributeType.Age, FaceAttributeType.Smile, FaceAttributeType.Glasses });
Debug.WriteLine("has faces?");
}
}
} catch (Exception ex)
{
Debug.WriteLine(ex);
}
}
/// <summary>
/// Converts a PhotoOrientation value into a human-readable string.
/// The text is adapted from the EXIF specification.
/// Note that PhotoOrientation uses a counterclockwise convention,
/// while the EXIF spec uses a clockwise convention.
/// </summary>
public static string GetOrientationString(PhotoOrientation input)
{
switch (input)
{
case PhotoOrientation.Normal:
return("No rotation");
case PhotoOrientation.FlipHorizontal:
return("Flip horizontally");
case PhotoOrientation.Rotate180:
return("Rotate 180˚ clockwise");
case PhotoOrientation.FlipVertical:
return("Flip vertically");
case PhotoOrientation.Transpose:
return("Rotate 270˚ clockwise, then flip horizontally");
case PhotoOrientation.Rotate270:
return("Rotate 90˚ clockwise");
case PhotoOrientation.Transverse:
return("Rotate 90˚ clockwise, then flip horizontally");
case PhotoOrientation.Rotate90:
return("Rotate 270˚ clockwise");
case PhotoOrientation.Unspecified:
default:
return("Unspecified");
}
}
/// <summary>
/// Reads the file token and image transform variables from the persisted state and
/// restores the UI.
/// </summary>
private async void RestoreDataFromPersistedState()
{
try
{
rootPage.NotifyUser("Loading image file from persisted state...", NotifyType.StatusMessage);
m_fileToken = (string)m_localSettings["scenario2FileToken"];
m_displayWidthNonScaled = (uint)m_localSettings["scenario2Width"];
m_displayHeightNonScaled = (uint)m_localSettings["scenario2Height"];
m_scaleFactor = (double)m_localSettings["scenario2Scale"];
PhotoOrientation desiredOrientation =
Helpers.ConvertToPhotoOrientation((ushort)m_localSettings["scenario2UserRotation"]);
m_exifOrientation =
Helpers.ConvertToPhotoOrientation((ushort)m_localSettings["scenario2ExifOrientation"]);
m_disableExifOrientation = (bool)m_localSettings["scenario2DisableExif"];
// Display the image in the UI.
StorageFile file = await m_futureAccess.GetFileAsync(m_fileToken);
BitmapImage src = new BitmapImage();
using (IRandomAccessStream stream = await file.OpenAsync(FileAccessMode.Read))
{
await src.SetSourceAsync(stream);
}
PreviewImage.Source = src;
AutomationProperties.SetName(PreviewImage, file.Name);
// Display the image dimensions and transformation state in the UI.
ExifOrientationTextblock.Text = Helpers.GetOrientationString(m_exifOrientation);
ScaleSlider.Value = m_scaleFactor * 100;
UpdateImageDimensionsUI();
// Restore the image tag's rotation transform.
while (desiredOrientation != m_userRotation)
{
RotateRight_Click(null, null);
}
RotateRightButton.IsEnabled = true;
RotateLeftButton.IsEnabled = true;
SaveButton.IsEnabled = true;
CloseButton.IsEnabled = true;
SaveAsButton.IsEnabled = true;
ScaleSlider.IsEnabled = true;
rootPage.NotifyUser("Loaded image file from persisted state: " + file.Name, NotifyType.StatusMessage);
}
catch (Exception err)
{
rootPage.NotifyUser("Error: " + err.Message, NotifyType.ErrorMessage);
ResetSessionState();
ResetPersistedState();
}
}
/// <summary>
/// When the user clicks Rotate Left, rotate the ImageViewbox by 90 degrees counterclockwise,
/// and update the dimensions.
/// </summary>
private void RotateLeft_Click(object sender, RoutedEventArgs e)
{
m_userRotation = Helpers.Add90DegreesCCW(m_userRotation);
// Swap width and height.
uint temp = m_displayHeightNonScaled;
m_displayHeightNonScaled = m_displayWidthNonScaled;
m_displayWidthNonScaled = temp;
UpdateImageDimensionsUI();
UpdateImageRotation(m_userRotation);
}
/// <summary>
/// Asynchronously attempts to get the oriented dimensions and EXIF orientation from the image file.
/// Sets member variables instead of returning a value with the Task.
/// </summary>
/// <param name="file"></param>
/// <returns></returns>
private async Task GetImageInformationAsync(StorageFile file)
{
using (IRandomAccessStream stream = await file.OpenAsync(FileAccessMode.Read))
{
BitmapDecoder decoder = await BitmapDecoder.CreateAsync(stream);
// The orientedPixelWidth and Height members provide the image dimensions
// reflecting any EXIF orientation.
m_displayHeightNonScaled = decoder.OrientedPixelHeight;
m_displayWidthNonScaled = decoder.OrientedPixelWidth;
try
{
// Property access using BitmapProperties is similar to using
// Windows.Storage.FileProperties (see Scenario 1); BitmapProperties accepts
// property keys such as "System.Photo.Orientation".
// The EXIF orientation flag can be also be read using native metadata queries
// such as "/app1/ifd/{ushort=274}" (JPEG) or "/ifd/{ushort=274}" (TIFF).
string[] requestedProperties = { "System.Photo.Orientation" };
BitmapPropertySet retrievedProperties =
await decoder.BitmapProperties.GetPropertiesAsync(requestedProperties);
// Check to see if the property exists in the file.
if (retrievedProperties.ContainsKey("System.Photo.Orientation"))
{
// EXIF orientation ("System.Photo.Orientation") is stored as a 16-bit unsigned integer.
m_exifOrientation = Helpers.ConvertToPhotoOrientation(
(ushort)retrievedProperties["System.Photo.Orientation"].Value
);
}
}
catch (Exception err)
{
switch (err.HResult)
{
// If the file format does not support properties continue without applying EXIF orientation.
case WINCODEC_ERR_UNSUPPORTEDOPERATION:
case WINCODEC_ERR_PROPERTYNOTSUPPORTED:
m_disableExifOrientation = true;
break;
default:
throw err;
}
}
}
}
/// <summary>
/// Converts a Windows.Storage.FileProperties.PhotoOrientation value into a
/// Windows.Graphics.Imaging.BitmapRotation value.
/// For PhotoOrientation values reflecting a flip/mirroring operation, returns "None";
/// therefore this is a potentially lossy transformation.
/// Note that PhotoOrientation uses a counterclockwise convention,
/// while BitmapRotation uses a clockwise convention.
/// </summary>
public static BitmapRotation ConvertToBitmapRotation(PhotoOrientation input)
{
switch (input)
{
case PhotoOrientation.Normal:
return BitmapRotation.None;
case PhotoOrientation.Rotate270:
return BitmapRotation.Clockwise90Degrees;
case PhotoOrientation.Rotate180:
return BitmapRotation.Clockwise180Degrees;
case PhotoOrientation.Rotate90:
return BitmapRotation.Clockwise270Degrees;
default:
// Ignore any flip/mirrored values.
return BitmapRotation.None;
}
}
/// <summary>
/// "Adds" two PhotoOrientation values. For simplicity, does not handle any values with
/// flip/mirroring; therefore this is a potentially lossy transformation.
/// Note that PhotoOrientation uses a counterclockwise convention.
/// </summary>
public static PhotoOrientation AddPhotoOrientation(PhotoOrientation value1, PhotoOrientation value2)
{
switch (value2)
{
case PhotoOrientation.Rotate90:
return(Add90DegreesCCW(value1));
case PhotoOrientation.Rotate180:
return(Add90DegreesCCW(Add90DegreesCCW(value1)));
case PhotoOrientation.Rotate270:
return(Add90DegreesCW(value1));
case PhotoOrientation.Normal:
default:
// Ignore any values with flip/mirroring.
return(value1);
}
}
/// <summary>
/// Clear all of the state that is stored in memory and in the UI
/// </summary>
private async void ResetSessionState()
{
m_fileToken = null;
m_displayHeightNonScaled = 0;
m_displayWidthNonScaled = 0;
m_scaleFactor = 1;
m_userRotation = PhotoOrientation.Normal;
m_exifOrientation = PhotoOrientation.Normal;
m_disableExifOrientation = false;
RotateLeftButton.IsEnabled = false;
RotateRightButton.IsEnabled = false;
SaveButton.IsEnabled = false;
SaveAsButton.IsEnabled = false;
CloseButton.IsEnabled = false;
StorageFile placeholderImage = await Package.Current.InstalledLocation.GetFileAsync("Assets\\placeholder-sdk.png");
BitmapImage bitmapImage = new BitmapImage();
using (IRandomAccessStream stream = await placeholderImage.OpenAsync(FileAccessMode.Read))
{
await bitmapImage.SetSourceAsync(stream);
}
Image1.Source = bitmapImage;
AutomationProperties.SetName(Image1, "A placeholder image");
m_transform.CenterX = ImageViewbox.Width / 2;
m_transform.CenterY = ImageViewbox.Height / 2;
ImageViewbox.RenderTransform = m_transform;
UpdateImageRotation(PhotoOrientation.Normal);
ScaleTextblock.Text = "";
ScaleSlider.Value = 100;
ScaleSlider.IsEnabled = false;
HeightTextblock.Text = "";
WidthTextblock.Text = "";
UserRotationTextblock.Text = "";
ExifOrientationTextblock.Text = "";
}
/// <summary>
/// Converts a Windows.Storage.FileProperties.PhotoOrientation value into a
/// Windows.Graphics.Imaging.BitmapRotation value.
/// For PhotoOrientation values reflecting a flip/mirroring operation, returns "None";
/// therefore this is a potentially lossy transformation.
/// Note that PhotoOrientation uses a counterclockwise convention,
/// while BitmapRotation uses a clockwise convention.
/// </summary>
public static BitmapRotation ConvertToBitmapRotation(PhotoOrientation input)
{
switch (input)
{
case PhotoOrientation.Normal:
return(BitmapRotation.None);
case PhotoOrientation.Rotate270:
return(BitmapRotation.Clockwise90Degrees);
case PhotoOrientation.Rotate180:
return(BitmapRotation.Clockwise180Degrees);
case PhotoOrientation.Rotate90:
return(BitmapRotation.Clockwise270Degrees);
default:
// Ignore any flip/mirrored values.
return(BitmapRotation.None);
}
}
/// <summary>
/// "Add" 90 degrees counter-clockwise rotation to a PhotoOrientation value.
/// For simplicity, does not handle any values with flip/mirroring; therefore this can be
/// a lossy transformation.
/// Note that PhotoOrientation uses a counterclockwise convention.
/// </summary>
public static PhotoOrientation Add90DegreesCCW(PhotoOrientation input)
{
switch (input)
{
case PhotoOrientation.Normal:
return(PhotoOrientation.Rotate90);
case PhotoOrientation.Rotate90:
return(PhotoOrientation.Rotate180);
case PhotoOrientation.Rotate180:
return(PhotoOrientation.Rotate270);
case PhotoOrientation.Rotate270:
return(PhotoOrientation.Normal);
default:
// Ignore any values with flip/mirroring.
return(PhotoOrientation.Unspecified);
}
}
private static async Task CapturePhotoAsync(IRandomAccessStream stream, PhotoOrientation photoOrientation)
{
using (var inputStream = stream)
{
var decoder = await BitmapDecoder.CreateAsync(inputStream);
var file = await KnownFolders.PicturesLibrary.CreateFileAsync("SimplePhoto.jpeg", CreationCollisionOption.GenerateUniqueName);
using (var outputStream = await file.OpenAsync(FileAccessMode.ReadWrite))
{
var encoder = await BitmapEncoder.CreateForTranscodingAsync(outputStream, decoder);
var properties = new BitmapPropertySet {
{ "System.Photo.Orientation", new BitmapTypedValue(photoOrientation, PropertyType.UInt16) }
};
await encoder.BitmapProperties.SetPropertiesAsync(properties);
await encoder.FlushAsync();
}
}
}
/// <summary>
/// Sets the RotationTransform angle of the Image (technically, its parent Viewbox).
/// </summary>
private void UpdateImageRotation(PhotoOrientation rotation)
{
switch (rotation)
{
case PhotoOrientation.Rotate270:
// Note that the PhotoOrientation enumeration uses a counterclockwise convention,
// while the RotationTransform uses a clockwise convention.
m_transform.Angle = 90;
break;
case PhotoOrientation.Rotate180:
m_transform.Angle = 180;
break;
case PhotoOrientation.Rotate90:
m_transform.Angle = 270;
break;
case PhotoOrientation.Normal:
default:
m_transform.Angle = 0;
break;
}
}
private void UpdateImageRotation(PhotoOrientation rotation)
{
switch (rotation)
{
case PhotoOrientation.Rotate270:
// Note that the PhotoOrientation enumeration uses a counterclockwise convention,
// while the RotationTransform uses a clockwise convention.
m_transform.Angle = 90;
break;
case PhotoOrientation.Rotate180:
m_transform.Angle = 180;
break;
case PhotoOrientation.Rotate90:
m_transform.Angle = 270;
break;
case PhotoOrientation.Normal:
default:
m_transform.Angle = 0;
break;
}
}
private void rotateBtn_Click(object sender, RoutedEventArgs e)
{
if ((sender as Button).Equals(rotateBtn))
{
rotateBtnText.Foreground = new SolidColorBrush(Color.FromArgb(255, 255, 168, 1));
rotateBtnImage.Source = new BitmapImage(new Uri("ms-appx:///Assets/MenuIco/icon 07 2.png"));
rotateBtnTextRevert.Foreground = new SolidColorBrush(Color.FromArgb(255, 255, 255, 255));
rotateBtnImageRevert.Source = new BitmapImage(new Uri("ms-appx:///Assets/MenuIco/icon 08.png"));
m_transform.CenterX = imagePanel.ActualWidth / 2;
m_transform.CenterY = imagePanel.ActualHeight / 2;
imagePanel.RenderTransform = m_transform;
m_userRotation = Helpers.Add90DegreesCW(m_userRotation);
//Swap width and height.
int temp = m_displayHeightNonScaled;
m_displayHeightNonScaled = m_displayWidthNonScaled;
m_displayWidthNonScaled = temp;
UpdateImageRotation(m_userRotation);
}
else
{
rotateBtnText.Foreground = new SolidColorBrush(Color.FromArgb(255, 255, 255, 255));
rotateBtnImage.Source = new BitmapImage(new Uri("ms-appx:///Assets/MenuIco/icon 07.png"));
rotateBtnTextRevert.Foreground = new SolidColorBrush(Color.FromArgb(255, 255, 168, 1));
rotateBtnImageRevert.Source = new BitmapImage(new Uri("ms-appx:///Assets/MenuIco/icon 08 2.png"));
m_transform.CenterX = imagePanel.ActualWidth / 2;
m_transform.CenterY = imagePanel.ActualHeight / 2;
imagePanel.RenderTransform = m_transform;
m_userRotation = Helpers.Add90DegreesCCW(m_userRotation);
// Swap width and height.
int temp = m_displayHeightNonScaled;
m_displayHeightNonScaled = m_displayWidthNonScaled;
m_displayWidthNonScaled = temp;
UpdateImageRotation(m_userRotation);
}
}
/// <summary>
/// Applies the given orientation to a photo stream and saves it as a StorageFile
/// </summary>
/// <param name="stream">The photo stream</param>
/// <param name="photoOrientation">The orientation metadata to apply to the photo</param>
/// <returns></returns>
private async Task <string> ReencodeAndSavePhotoAsync(IRandomAccessStream stream, PhotoOrientation photoOrientation)
{
using (var inputStream = stream)
{
var decoder = await BitmapDecoder.CreateAsync(inputStream);
var file = await Package.Current.InstalledLocation.CreateFileAsync("4shot.jpeg", CreationCollisionOption.GenerateUniqueName);
using (var outputStream = await file.OpenAsync(FileAccessMode.ReadWrite))
{
var encoder = await BitmapEncoder.CreateForTranscodingAsync(outputStream, decoder);
var properties = new BitmapPropertySet {
{ "System.Photo.Orientation", new BitmapTypedValue(photoOrientation, PropertyType.UInt16) }
};
await encoder.BitmapProperties.SetPropertiesAsync(properties);
await encoder.FlushAsync();
}
SettingsHelper.SaveObjectToStorage("CurrentProfile", new Profile {
Name = "Unknown", ImagePath = file.Path
});
return(file.Path);
}
}
private async Task ReencodeAndSavePhotoAsync(IRandomAccessStream stream, string filename, PhotoOrientation photoOrientation)
{
using (var inputStream = stream)
{
var decoder = await BitmapDecoder.CreateAsync(inputStream);
var file = await KnownFolders.PicturesLibrary.CreateFileAsync(filename, CreationCollisionOption.GenerateUniqueName);
using (var outputStream = await file.OpenAsync(FileAccessMode.ReadWrite))
{
var encoder = await BitmapEncoder.CreateForTranscodingAsync(outputStream, decoder);
var properties = new BitmapPropertySet { { "System.Photo.Orientation", new BitmapTypedValue(photoOrientation, PropertyType.UInt16) } };
await encoder.BitmapProperties.SetPropertiesAsync(properties);
await encoder.FlushAsync();
}
}
Functions.DisplayMessage((String)_resources["photoTaken"]);
cameraButton.IsEnabled = true;
}
private async Task DetectPhotoAsync(IRandomAccessStream stream, PhotoOrientation photoOrientation)
{
using (var inputStream = stream)
{
var decoder = await BitmapDecoder.CreateAsync(inputStream);
var file = await KnownFolders.PicturesLibrary.CreateFileAsync("SimplePhoto.jpeg", CreationCollisionOption.GenerateUniqueName);
using (var outputStream = new InMemoryRandomAccessStream())
{
var encoder = await BitmapEncoder.CreateForTranscodingAsync(outputStream, decoder);
var properties = new BitmapPropertySet { { "System.Photo.Orientation", new BitmapTypedValue(photoOrientation, PropertyType.UInt16) } };
await encoder.BitmapProperties.SetPropertiesAsync(properties);
await encoder.FlushAsync();
var faces = await _instance.DetectAsync(outputStream.AsStream(), false, true, true, false);
}
}
}
/// <summary>
/// Asynchronously attempts to get the oriented dimensions and EXIF orientation from the image file.
/// Sets member variables instead of returning a value with the Task.
/// </summary>
/// <param name="file"></param>
/// <returns></returns>
private async Task GetImageInformationAsync(StorageFile file)
{
using (IRandomAccessStream stream = await file.OpenAsync(FileAccessMode.Read))
{
BitmapDecoder decoder = await BitmapDecoder.CreateAsync(stream);
// The orientedPixelWidth and Height members provide the image dimensions
// reflecting any EXIF orientation.
m_displayHeightNonScaled = decoder.OrientedPixelHeight;
m_displayWidthNonScaled = decoder.OrientedPixelWidth;
try
{
// Property access using BitmapProperties is similar to using
// Windows.Storage.FileProperties (see Scenario 1); BitmapProperties accepts
// property keys such as "System.Photo.Orientation".
// The EXIF orientation flag can be also be read using native metadata queries
// such as "/app1/ifd/{ushort=274}" (JPEG) or "/ifd/{ushort=274}" (TIFF).
string[] requestedProperties = { "System.Photo.Orientation" };
BitmapPropertySet retrievedProperties =
await decoder.BitmapProperties.GetPropertiesAsync(requestedProperties);
// Check to see if the property exists in the file.
if (retrievedProperties.ContainsKey("System.Photo.Orientation"))
{
// EXIF orientation ("System.Photo.Orientation") is stored as a 16-bit unsigned integer.
m_exifOrientation = Helpers.ConvertToPhotoOrientation(
(ushort) retrievedProperties["System.Photo.Orientation"].Value
);
}
}
catch (Exception err)
{
switch (err.HResult)
{
// If the file format does not support properties continue without applying EXIF orientation.
case WINCODEC_ERR_UNSUPPORTEDOPERATION:
case WINCODEC_ERR_PROPERTYNOTSUPPORTED:
m_disableExifOrientation = true;
break;
default:
throw;
}
}
}
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
if (e.Parameter != null)
{
var param = e.Parameter;
if (param.ToString().Equals((typeof(PictureListInfo)).ToString()))
{
PictureListInfo info = param as PictureListInfo;
image.Source = info.picture;
filePath = info.picturePath;
this.info = info;
}
else if (param.ToString().Equals((typeof(PageNavigateParam)).ToString()))
{
isProjected = true;
PageNavigateParam projectParam = param as PageNavigateParam;
mainViewId = projectParam.MainViewId;
//thisViewControl = projectParam.ProjectionViewPageControl;
//mainDispatcher = projectParam.MainDispatcher;
//thisViewControl.Released += ThisViewControl_Released;
GLOABOALSTAGE stageProjected = projectParam.stage;
if(stageProjected != GLOABOALSTAGE.EDITPAGE_INK)
{
monitorTimer = new DispatcherTimer();
monitorTimer.Interval = new TimeSpan(0, 0, 2);
monitorTimer.Tick += MonitorTimer_Tick;
monitorTimer.Start();
}
switch (stageProjected)
{
case GLOABOALSTAGE.EDITPAGE_CROP:
cropParam = projectParam.stageParam as CropStateParam;
this.info = cropParam.PicInfo;
filePath = info.picturePath;
break;
case GLOABOALSTAGE.EDITPAGE_ROTATE:
RotateStateParam rotateParam = projectParam.stageParam as RotateStateParam;
this.info = rotateParam.PicInfo;
filePath = info.picturePath;
stage = GLOABOALSTAGE.EDITPAGE_ROTATE;
m_userRotation = rotateParam.UserRotation;
break;
case GLOABOALSTAGE.EDITPAGE_INK:
InkStateParam inkParam = projectParam.stageParam as InkStateParam;
this.info = inkParam.PicInfo;
filePath = info.picturePath;
stage = GLOABOALSTAGE.EDITPAGE_INK;
//((App)App.Current).SyncStrokeEx(strokeMapping, true);
ink.Visibility = Visibility.Visible;
break;
case GLOABOALSTAGE.EDITPAGE_TEXT:
TextStateParam textParam = projectParam.stageParam as TextStateParam;
this.info = textParam.PicInfo;
filePath = info.picturePath;
stage = GLOABOALSTAGE.EDITPAGE_TEXT;
break;
}
}
}
}
///// <summary>
///// Attempts to find and return a device mounted on the panel specified, and on failure to find one it will return the first device listed
///// </summary>
///// <param name="desiredPanel">The desired panel on which the returned device should be mounted, if available</param>
///// <returns></returns>
//public static async Task<DeviceInformation> FindCameraDeviceByPanelAsync(Windows.Devices.Enumeration.Panel desiredPanel)
//{
// // Get available devices for capturing pictures
// var allVideoDevices = await DeviceInformation.FindAllAsync(DeviceClass.VideoCapture);
// // Get the desired camera by panel
// DeviceInformation desiredDevice = allVideoDevices.FirstOrDefault(x => x.EnclosureLocation != null && x.EnclosureLocation.Panel == desiredPanel);
// // If there is no device mounted on the desired panel, return the first device found
// return desiredDevice ?? allVideoDevices.FirstOrDefault();
//}
/// <summary>
/// Applies the given orientation to a photo stream and saves it as a StorageFile
/// </summary>
/// <param name="inputStream">The photo stream</param>
/// <param name="photoOrientation">The orientation metadata to apply to the photo</param>
/// <returns></returns>
private async Task ReencodeAndSavePhotoAsync(IRandomAccessStream inputStream, PhotoOrientation photoOrientation)
{
try
{
// LOLLO this decoder already has 480 × 640. if i set a different size when capturing the pic,
// this decoder will respect it.
var decoder = await BitmapDecoder.CreateAsync(inputStream);
//StorageFile file = await GetFileAsync();
using (var outputStream = await _file.OpenAsync(FileAccessMode.ReadWrite))
{
var encoder = await BitmapEncoder.CreateForTranscodingAsync(outputStream, decoder);
var bitmapProperties = new BitmapPropertySet { { "System.Photo.Orientation", new BitmapTypedValue(photoOrientation, PropertyType.UInt16) } };
await encoder.BitmapProperties.SetPropertiesAsync(bitmapProperties);
await encoder.FlushAsync();
}
}
catch (Exception ex)
{
await Logger.AddAsync(ex.ToString(), Logger.ForegroundLogFilename);
Debugger.Break();
}
//finally
//{
// //VM?.ForceEndShootAsync();
//}
}
/// <summary>
/// Counterpart to ConvertToPhotoOrientation(ushort input), maps PhotoOrientation enumeration
/// values to an unsigned 16-bit integer representing the EXIF orientation flag.
/// </summary>
public static ushort ConvertToExifOrientationFlag(PhotoOrientation input)
{
switch (input)
{
case PhotoOrientation.Normal:
return 1;
case PhotoOrientation.FlipHorizontal:
return 2;
case PhotoOrientation.Rotate180:
return 3;
case PhotoOrientation.FlipVertical:
return 4;
case PhotoOrientation.Transpose:
return 5;
case PhotoOrientation.Rotate270:
return 6;
case PhotoOrientation.Transverse:
return 7;
case PhotoOrientation.Rotate90:
return 8;
default:
return 1;
}
}
/// <summary>
/// "Adds" two PhotoOrientation values. For simplicity, does not handle any values with
/// flip/mirroring; therefore this is a potentially lossy transformation.
/// Note that PhotoOrientation uses a counterclockwise convention.
/// </summary>
public static PhotoOrientation AddPhotoOrientation(PhotoOrientation value1, PhotoOrientation value2)
{
switch (value2)
{
case PhotoOrientation.Rotate90:
return Add90DegreesCCW(value1);
case PhotoOrientation.Rotate180:
return Add90DegreesCCW(Add90DegreesCCW(value1));
case PhotoOrientation.Rotate270:
return Add90DegreesCW(value1);
case PhotoOrientation.Normal:
default:
// Ignore any values with flip/mirroring.
return value1;
}
}
private static async Task <InMemoryRandomAccessStream> ReencodeAndSavePhotoAsync(IRandomAccessStream stream, PhotoOrientation photoOrientation)
{
using (var inputStream = stream)
{
var decoder = await BitmapDecoder.CreateAsync(inputStream);
var memoryStream = new InMemoryRandomAccessStream();
var encoder = await BitmapEncoder.CreateForTranscodingAsync(memoryStream, decoder);
var properties = new BitmapPropertySet {
{ "System.Photo.Orientation", new BitmapTypedValue(photoOrientation, PropertyType.UInt16) }
};
await encoder.BitmapProperties.SetPropertiesAsync(properties);
await encoder.FlushAsync();
return(memoryStream);
}
}
private async Task <string> ReencodeAndSavePhotoAsync(IRandomAccessStream stream, PhotoOrientation photoOrientation)
{
using (var inputStream = stream)
{
var decoder = await BitmapDecoder.CreateAsync(inputStream);
var file = await ApplicationData.Current.LocalFolder.CreateFileAsync("photo.jpeg", CreationCollisionOption.GenerateUniqueName);
using (var outputStream = await file.OpenAsync(FileAccessMode.ReadWrite))
{
var encoder = await BitmapEncoder.CreateForTranscodingAsync(outputStream, decoder);
var properties = new BitmapPropertySet {
{ "System.Photo.Orientation", new BitmapTypedValue(photoOrientation, PropertyType.UInt16) }
};
await encoder.BitmapProperties.SetPropertiesAsync(properties);
await encoder.FlushAsync();
}
return(file.Path);
}
}
/// <summary>
/// Clear all of the state that is stored in memory and in the UI
/// </summary>
private async void ResetSessionState()
{
m_fileToken = null;
m_displayHeightNonScaled = 0;
m_displayWidthNonScaled = 0;
m_scaleFactor = 1;
m_userRotation = PhotoOrientation.Normal;
m_exifOrientation = PhotoOrientation.Normal;
m_disableExifOrientation = false;
RotateLeftButton.IsEnabled = false;
RotateRightButton.IsEnabled = false;
SaveButton.IsEnabled = false;
SaveAsButton.IsEnabled = false;
CloseButton.IsEnabled = false;
StorageFile placeholderImage = await Package.Current.InstalledLocation.GetFileAsync("Assets\\placeholder-sdk.png");
BitmapImage bitmapImage = new BitmapImage();
using (IRandomAccessStream stream = await placeholderImage.OpenAsync(FileAccessMode.Read))
{
await bitmapImage.SetSourceAsync(stream);
}
Image1.Source = bitmapImage;
AutomationProperties.SetName(Image1, "A placeholder image");
m_transform.CenterX = ImageViewbox.Width / 2;
m_transform.CenterY = ImageViewbox.Height / 2;
ImageViewbox.RenderTransform = m_transform;
UpdateImageRotation(PhotoOrientation.Normal);
ScaleTextblock.Text = "";
ScaleSlider.Value = 100;
ScaleSlider.IsEnabled = false;
HeightTextblock.Text = "";
WidthTextblock.Text = "";
UserRotationTextblock.Text = "";
ExifOrientationTextblock.Text = "";
}
/// <summary>
/// When the user clicks Rotate Left, rotate the ImageViewbox by 90 degrees counterclockwise,
/// and update the dimensions.
/// </summary>
private void RotateLeft_Click(object sender, RoutedEventArgs e)
{
m_userRotation = Helpers.Add90DegreesCCW(m_userRotation);
// Swap width and height.
uint temp = m_displayHeightNonScaled;
m_displayHeightNonScaled = m_displayWidthNonScaled;
m_displayWidthNonScaled = temp;
UpdateImageDimensionsUI();
UpdateImageRotation(m_userRotation);
}
private void ResetSessionState()
{
m_displayHeightNonScaled = 0;
m_displayWidthNonScaled = 0;
m_userRotation = PhotoOrientation.Normal;
m_transform.Angle = 0;
}
/// <summary>
/// Applies the given orientation to a photo stream and saves it as a StorageFile
/// </summary>
/// <param name="stream">The photo stream</param>
/// <param name="file">The StorageFile in which the photo stream will be saved</param>
/// <param name="photoOrientation">The orientation metadata to apply to the photo</param>
/// <returns></returns>
private static async Task ReencodeAndSavePhotoAsync(IRandomAccessStream stream, StorageFile file, PhotoOrientation photoOrientation)
{
using (var inputStream = stream)
{
var decoder = await BitmapDecoder.CreateAsync(inputStream);
using (var outputStream = await file.OpenAsync(FileAccessMode.ReadWrite))
{
var encoder = await BitmapEncoder.CreateForTranscodingAsync(outputStream, decoder);
var properties = new BitmapPropertySet {
{ "System.Photo.Orientation", new BitmapTypedValue(photoOrientation, PropertyType.UInt16) }
};
await encoder.BitmapProperties.SetPropertiesAsync(properties);
await encoder.FlushAsync();
}
}
}
private async Task<IRandomAccessStream> ResizeStreamAsync(IRandomAccessStream stream, Size size, PhotoOrientation orientation)
{
var rotation = 0;
switch (orientation)
{
case PhotoOrientation.Rotate180:
{
rotation = -180;
};
break;
case PhotoOrientation.Rotate270:
{
rotation = -270;
};
break;
case PhotoOrientation.Rotate90:
{
rotation = -90;
};
break;
}
using (var resizedStream = new InMemoryRandomAccessStream())
{
var buffer = new byte[stream.Size].AsBuffer();
stream.Seek(0);
await stream.ReadAsync(buffer, buffer.Length, InputStreamOptions.None);
var resizeConfiguration = new AutoResizeConfiguration(
(uint)(size.Width * size.Height * 4 * 2), size,
new Size(0, 0), AutoResizeMode.Automatic, 0.7, ColorSpace.Yuv420);
buffer = await JpegTools.AutoResizeAsync(buffer, resizeConfiguration);
await resizedStream.WriteAsync(buffer);
await resizedStream.FlushAsync();
if (rotation != 0)
{
resizedStream.Seek(0);
var filters = new List<IFilter>() { new RotationFilter(rotation) };
using (var source = new RandomAccessStreamImageSource(resizedStream))
using (var effect = new FilterEffect(source) { Filters = filters })
using (var renderer = new JpegRenderer(effect))
{
buffer = await renderer.RenderAsync();
using (var rotatedResizedStream = new InMemoryRandomAccessStream())
{
await rotatedResizedStream.WriteAsync(buffer);
await rotatedResizedStream.FlushAsync();
return rotatedResizedStream.CloneStream();
}
}
}
else
{
return resizedStream.CloneStream();
}
}
}
/// <summary>
/// Clear all of the state that is stored in memory and in the UI
/// </summary>
private void ResetSessionState()
{
m_fileToken = null;
m_displayHeightNonScaled = 0;
m_displayWidthNonScaled = 0;
m_scaleFactor = 1;
m_userRotation = PhotoOrientation.Normal;
m_exifOrientation = PhotoOrientation.Normal;
m_disableExifOrientation = false;
RotateLeftButton.IsEnabled = false;
RotateRightButton.IsEnabled = false;
SaveButton.IsEnabled = false;
SaveAsButton.IsEnabled = false;
CloseButton.IsEnabled = false;
PreviewImage.Source = null;
m_transform.CenterX = ImageViewbox.Width / 2;
m_transform.CenterY = ImageViewbox.Height / 2;
ImageViewbox.RenderTransform = m_transform;
UpdateImageRotation(PhotoOrientation.Normal);
ScaleTextblock.Text = "";
ScaleSlider.Value = 100;
ScaleSlider.IsEnabled = false;
HeightTextblock.Text = "";
WidthTextblock.Text = "";
UserRotationTextblock.Text = "";
ExifOrientationTextblock.Text = "";
}
/// <summary>
/// Reads the file token and image transform variables from the persisted state and
/// restores the UI.
/// </summary>
private async void RestoreDataFromPersistedState()
{
try
{
rootPage.NotifyUser("Loading image file from persisted state...", NotifyType.StatusMessage);
m_fileToken = (string)m_localSettings["scenario2FileToken"];
m_displayWidthNonScaled = (uint)m_localSettings["scenario2Width"];
m_displayHeightNonScaled = (uint)m_localSettings["scenario2Height"];
m_scaleFactor = (double)m_localSettings["scenario2Scale"];
PhotoOrientation desiredOrientation =
Helpers.ConvertToPhotoOrientation((ushort)m_localSettings["scenario2UserRotation"]);
m_exifOrientation =
Helpers.ConvertToPhotoOrientation((ushort)m_localSettings["scenario2ExifOrientation"]);
m_disableExifOrientation = (bool)m_localSettings["scenario2DisableExif"];
// Display the image in the UI.
StorageFile file = await m_futureAccess.GetFileAsync(m_fileToken);
BitmapImage src = new BitmapImage();
using (IRandomAccessStream stream = await file.OpenAsync(FileAccessMode.Read))
{
await src.SetSourceAsync(stream);
}
Image1.Source = src;
AutomationProperties.SetName(Image1, file.Name);
// Display the image dimensions and transformation state in the UI.
ExifOrientationTextblock.Text = Helpers.GetOrientationString(m_exifOrientation);
ScaleSlider.Value = m_scaleFactor * 100;
UpdateImageDimensionsUI();
// Restore the image tag's rotation transform.
while (desiredOrientation != m_userRotation)
{
RotateRight_Click(null, null);
}
RotateRightButton.IsEnabled = true;
RotateLeftButton.IsEnabled = true;
SaveButton.IsEnabled = true;
CloseButton.IsEnabled = true;
SaveAsButton.IsEnabled = true;
ScaleSlider.IsEnabled = true;
rootPage.NotifyUser("Loaded image file from persisted state: " + file.Name, NotifyType.StatusMessage);
}
catch (Exception err)
{
rootPage.NotifyUser("Error: " + err.Message, NotifyType.ErrorMessage);
ResetSessionState();
ResetPersistedState();
}
}
/// <summary>
/// Applies the given orientation to a photo stream and saves it as a StorageFile
/// </summary>
/// <param name="stream">The photo stream</param>
/// <param name="file">The StorageFile in which the photo stream will be saved</param>
/// <param name="photoOrientation">The orientation metadata to apply to the photo</param>
/// <returns></returns>
private static async Task ReencodeAndSavePhotoAsync(IRandomAccessStream stream, StorageFile file, PhotoOrientation photoOrientation)
{
using (var inputStream = stream)
{
var decoder = await BitmapDecoder.CreateAsync(inputStream);
using (var outputStream = await file.OpenAsync(FileAccessMode.ReadWrite))
{
var encoder = await BitmapEncoder.CreateForTranscodingAsync(outputStream, decoder);
var properties = new BitmapPropertySet { { "System.Photo.Orientation", new BitmapTypedValue(photoOrientation, PropertyType.UInt16) } };
await encoder.BitmapProperties.SetPropertiesAsync(properties);
await encoder.FlushAsync();
}
}
}
/// <summary>
/// "Add" 90 degrees counter-clockwise rotation to a PhotoOrientation value.
/// For simplicity, does not handle any values with flip/mirroring; therefore this is a potentially
/// lossy transformation.
/// Note that PhotoOrientation uses a counterclockwise convention.
/// </summary>
public static PhotoOrientation Add90DegreesCCW(PhotoOrientation input)
{
switch (input)
{
case PhotoOrientation.Normal:
return PhotoOrientation.Rotate90;
case PhotoOrientation.Rotate90:
return PhotoOrientation.Rotate180;
case PhotoOrientation.Rotate180:
return PhotoOrientation.Rotate270;
case PhotoOrientation.Rotate270:
return PhotoOrientation.Normal;
default:
// Ignore any values with flip/mirroring.
return PhotoOrientation.Unspecified;
}
}
/// <summary>
/// Applies the given orientation to a photo stream and saves it as a StorageFile
/// </summary>
/// <param name="stream">The photo stream</param>
/// <param name="photoOrientation">The orientation metadata to apply to the photo</param>
/// <returns></returns>
private static async Task ReencodeAndSavePhotoAsync(IRandomAccessStream stream, PhotoOrientation photoOrientation)
{
using (var inputStream = stream)
{
var decoder = await BitmapDecoder.CreateAsync(inputStream);
var file = await KnownFolders.PicturesLibrary.CreateFileAsync("SimplePhoto.jpeg", CreationCollisionOption.GenerateUniqueName);
using (var outputStream = await file.OpenAsync(FileAccessMode.ReadWrite))
{
var encoder = await BitmapEncoder.CreateForTranscodingAsync(outputStream, decoder);
var properties = new BitmapPropertySet { { "System.Photo.Orientation", new BitmapTypedValue(photoOrientation, PropertyType.UInt16) } };
await encoder.BitmapProperties.SetPropertiesAsync(properties);
await encoder.FlushAsync();
}
}
}
private async Task <IRandomAccessStream> ResizeStreamAsync(IRandomAccessStream stream, Size size, PhotoOrientation orientation)
{
var rotation = 0;
switch (orientation)
{
case PhotoOrientation.Rotate180:
{
rotation = -180;
};
break;
case PhotoOrientation.Rotate270:
{
rotation = -270;
};
break;
case PhotoOrientation.Rotate90:
{
rotation = -90;
};
break;
}
using (var resizedStream = new InMemoryRandomAccessStream())
{
var buffer = new byte[stream.Size].AsBuffer();
stream.Seek(0);
await stream.ReadAsync(buffer, buffer.Length, InputStreamOptions.None);
var resizeConfiguration = new AutoResizeConfiguration(
(uint)(size.Width * size.Height * 4 * 2), size,
new Size(0, 0), AutoResizeMode.Automatic, 0.7, ColorSpace.Yuv420);
buffer = await JpegTools.AutoResizeAsync(buffer, resizeConfiguration);
await resizedStream.WriteAsync(buffer);
await resizedStream.FlushAsync();
if (rotation != 0)
{
resizedStream.Seek(0);
var filters = new List <IFilter>()
{
new RotationFilter(rotation)
};
using (var source = new RandomAccessStreamImageSource(resizedStream))
using (var effect = new FilterEffect(source)
{
Filters = filters
})
using (var renderer = new JpegRenderer(effect))
{
buffer = await renderer.RenderAsync();
using (var rotatedResizedStream = new InMemoryRandomAccessStream())
{
await rotatedResizedStream.WriteAsync(buffer);
await rotatedResizedStream.FlushAsync();
return(rotatedResizedStream.CloneStream());
}
}
}
else
{
return(resizedStream.CloneStream());
}
}
}
