public PhotoModel(BitmapImage photo, string path, BitmapImage thumbnailImage, ImageProperties properties, StorageFile storageFile)
{
Photo = photo;
Path = path;
ThumbnailImage = thumbnailImage;
Properties = properties;
StorageFile = storageFile;
}
public static void FillImageProperties(PropertiesFlyoutImage flyout, ImageProperties imageProps, StorageFile file, BasicProperties basicProps)
{
try
{
if (imageProps.DateTaken.Year > 1700)
flyout.DateTaken.Text = DateTime_ToString(imageProps.DateTaken, EDateTimeFormat.G);
else if (basicProps != null)
flyout.DateTaken.Text = DateTime_ToString(basicProps.DateModified, EDateTimeFormat.G);
else
flyout.DateTaken.Visibility = Visibility.Collapsed;
if (imageProps.Width > 0 && imageProps.Height > 0)
flyout.Dimensions.Text = imageProps.Width.ToString() + " x " + imageProps.Height.ToString() + " pixels";
else
flyout.Dimensions.Visibility = Visibility.Collapsed;
// IMPORTANT: Need GeoCoordinate class from System.Device.Location namespace (but not avail on WinRT);
// Not suitable: Windows.Devices.Geolocation namespace;
// GeoCoordinate geoCoord = new GeoCoordinate();
if (imageProps.Latitude.HasValue)
flyout.Latitude.Text = Util.LatOrLong_ToString(imageProps.Latitude);
else
flyout.Latitude.Visibility = Visibility.Collapsed;
if (imageProps.Longitude.HasValue)
flyout.Longitude.Text = Util.LatOrLong_ToString(imageProps.Longitude);
else
flyout.Longitude.Visibility = Visibility.Collapsed;
if (!string.IsNullOrEmpty(imageProps.Title))
flyout.ImgTitle.Text = imageProps.Title;
else
flyout.ImgTitle.Visibility = Visibility.Collapsed;
if (!string.IsNullOrEmpty(imageProps.CameraManufacturer))
{
flyout.Camera.Text = imageProps.CameraManufacturer;
if (!string.IsNullOrEmpty(imageProps.CameraModel))
flyout.Camera.Text += " " + imageProps.CameraModel;
}
else
flyout.Camera.Visibility = Visibility.Collapsed;
}
catch (Exception ex) { Debug.WriteLine(ex.ToString()); }
}
private static string GetImageDetails(ImageProperties properties)
{
var data = "";
var title = Path.GetFileName(properties.Title);
data += ("Title: " + title);
var dateTaken = properties.DateTaken;
data += ("\tDate taken: " + dateTaken);
var width = Convert.ToString(properties.Width);
if(width != null)
data += ("\nWidth: " + width);
var height = Convert.ToString(properties.Height);
if(height != null)
data += ("\tHeight: " + height);
var latitude = Convert.ToString(properties.Latitude);
if (latitude != null)
data += ("\nLatitude: " + latitude);
var longitude = Convert.ToString(properties.Longitude);
if (longitude != null)
data += ("\tLongitude: " + longitude);
var cameraModel = properties.CameraModel;
data += ("\nCamera model: " + cameraModel);
var cameraManufacture = properties.CameraManufacturer;
data += ("\tCamera manufacture: " + cameraManufacture);
return data;
}
/// <summary>
/// Clears all of the state that is stored in memory and in the UI.
/// </summary>
private void ResetSessionState()
{
m_imageProperties = null;
m_fileToken = null;
CloseButton.IsEnabled = false;
ApplyButton.IsEnabled = false;
PreviewImage.Source = null;
TitleTextbox.Text = "";
KeywordsTextbox.Text = "";
DateTakenTextblock.Text = "";
MakeTextblock.Text = "";
ModelTextblock.Text = "";
OrientationTextblock.Text = "";
LatDegTextbox.Text = "";
LatMinTextbox.Text = "";
LatSecTextbox.Text = "";
LatRefTextbox.Text = "";
LongDegTextbox.Text = "";
LongMinTextbox.Text = "";
LongSecTextbox.Text = "";
LongRefTextbox.Text = "";
ExposureTextblock.Text = "";
FNumberTextblock.Text = "";
}
/// <summary>
/// Load an image from a file and display some basic imaging properties.
/// </summary>
/// <param name="file">The image to load.</param>
private async Task LoadFileAsync(StorageFile file)
{
try
{
// Request persisted access permissions to the file the user selected.
// This allows the app to directly load the file in the future without relying on a
// broker such as the file picker.
m_fileToken = m_futureAccess.Add(file);
// Windows.Storage.FileProperties.ImageProperties provides convenience access to
// commonly-used properties such as geolocation and keywords. It also accepts
// queries for Windows property system keys such as "System.Photo.Aperture".
m_imageProperties = await file.Properties.GetImagePropertiesAsync();
string[] requests =
{
"System.Photo.ExposureTime", // In seconds
"System.Photo.FNumber" // F-stop values defined by EXIF spec
};
IDictionary<string, object> retrievedProps =
await m_imageProperties.RetrievePropertiesAsync(requests);
await DisplayImageUIAsync(file, GetImagePropertiesForDisplay(retrievedProps));
rootPage.NotifyUser(
"Loaded file from picker: " + file.Name,
NotifyType.StatusMessage
);
CloseButton.IsEnabled = true;
ApplyButton.IsEnabled = true;
}
catch (Exception err)
{
rootPage.NotifyUser("Error: " + err.Message, NotifyType.ErrorMessage);
ResetPersistedState();
ResetSessionState();
}
}
/// <summary>
/// Reads the file token and property text from the persisted state, and calls
/// DisplayImageUIAsync().
/// </summary>
private async void RestoreDataFromPersistedState()
{
try
{
m_fileToken = m_localSettings["scenario1FileToken"].ToString();
StorageFile file = await m_futureAccess.GetFileAsync(m_fileToken);
m_imageProperties = await file.Properties.GetImagePropertiesAsync();
Dictionary<string, string> propertyText = new Dictionary<string, string>();
propertyText.Add("Title", m_localSettings["scenario1Title"].ToString());
propertyText.Add("Keywords", m_localSettings["scenario1Keywords"].ToString());
propertyText.Add("DateTaken", m_localSettings["scenario1DateTaken"].ToString());
propertyText.Add("Make", m_localSettings["scenario1Make"].ToString());
propertyText.Add("Model", m_localSettings["scenario1Model"].ToString());
propertyText.Add("Orientation", m_localSettings["scenario1Orientation"].ToString());
propertyText.Add("LatDeg", m_localSettings["scenario1LatDeg"].ToString());
propertyText.Add("LatMin", m_localSettings["scenario1LatMin"].ToString());
propertyText.Add("LatSec", m_localSettings["scenario1LatSec"].ToString());
propertyText.Add("LatRef", m_localSettings["scenario1LatRef"].ToString());
propertyText.Add("LongDeg", m_localSettings["scenario1LongDeg"].ToString());
propertyText.Add("LongMin", m_localSettings["scenario1LongMin"].ToString());
propertyText.Add("LongSec", m_localSettings["scenario1LongSec"].ToString());
propertyText.Add("LongRef", m_localSettings["scenario1LongRef"].ToString());
propertyText.Add("Exposure", m_localSettings["scenario1Exposure"].ToString());
propertyText.Add("FNumber", m_localSettings["scenario1FNumber"].ToString());
await DisplayImageUIAsync(file, propertyText);
rootPage.NotifyUser(
"Loaded file from persisted state: " + file.Name,
NotifyType.StatusMessage
);
CloseButton.IsEnabled = true;
ApplyButton.IsEnabled = true;
}
catch (Exception err)
{
rootPage.NotifyUser("Error: " + err.Message, NotifyType.ErrorMessage);
ResetSessionState();
ResetPersistedState();
}
}
/// <summary>
/// Clear all of the state that is stored in memory and in the UI.
/// </summary>
private async void ResetSessionState()
{
m_imageProperties = null;
m_fileToken = null;
CloseButton.IsEnabled = false;
ApplyButton.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");
TitleTextbox.Text = "";
KeywordsTextbox.Text = "";
DateTakenTextblock.Text = "";
MakeTextblock.Text = "";
ModelTextblock.Text = "";
OrientationTextblock.Text = "";
LatDegTextbox.Text = "";
LatMinTextbox.Text = "";
LatSecTextbox.Text = "";
LatRefTextbox.Text = "";
LongDegTextbox.Text = "";
LongMinTextbox.Text = "";
LongSecTextbox.Text = "";
LongRefTextbox.Text = "";
ExposureTextblock.Text = "";
FNumberTextblock.Text = "";
}
private static void GetImageProperties(ICollection<StorageFileProperty> results, ImageProperties props)
{
var title = props.Title;
var dateTaken = props.DateTaken.ToString("G");
var manufacturer = props.CameraManufacturer;
var model = props.CameraModel;
var height = props.Height;
var width = props.Width;
var latitude = props.Latitude.ToString();
var longitude = props.Longitude.ToString();
if (!title.IsEmpty())
{
if (results.FirstOrDefault(x => x.Name == "Title") == null)
{
results.Add(new StorageFileProperty("Title", title));
}
}
if (!dateTaken.IsEmpty())
{
if (dateTaken.IsValidDate())
{
if (results.FirstOrDefault(x => x.Name == "Date Taken") == null)
{
results.Add(new StorageFileProperty("Date Taken", dateTaken));
}
}
}
if (!manufacturer.IsEmpty())
{
if (results.FirstOrDefault(x => x.Name == "Manufacturer") == null)
{
results.Add(new StorageFileProperty("Manufacturer", manufacturer));
}
}
if (!model.IsEmpty())
{
if (results.FirstOrDefault(x => x.Name == "Model") == null)
{
results.Add(new StorageFileProperty("Model", model));
}
}
if (height != 0 || width != 0)
{
if (results.FirstOrDefault(x => x.Name == "Height") == null)
{
results.Add(new StorageFileProperty("Height", height));
}
if (results.FirstOrDefault(x => x.Name == "Width") == null)
{
results.Add(new StorageFileProperty("Width", width));
}
}
if (!latitude.IsEmpty())
{
if (results.FirstOrDefault(x => x.Name == "GPS latitude") == null)
{
results.Add(new StorageFileProperty("GPS latitude", latitude));
}
}
if (!longitude.IsEmpty())
{
if (results.FirstOrDefault(x => x.Name == "GPS longitude") == null)
{
results.Add(new StorageFileProperty("GPS longitude", longitude));
}
}
}
private string generateInformations(ImageProperties props)
{
string infos = "PICTURE INFORMATIONS: ";
if (!string.IsNullOrEmpty(props.CameraManufacturer))
infos += "\nCameraManufacturer: " + props.CameraManufacturer;
if (!string.IsNullOrEmpty(props.CameraModel))
infos += "\nCameraModel: " + props.CameraModel;
if (!string.IsNullOrEmpty(props.Title))
infos += "\nTitle: " + props.Title;
if (props.Width != 0)
infos += "\nWidth: " + props.Width;
if (props.Height != 0)
infos += "\nHeight: " + props.Height;
DateTimeOffset? tempDate = props.DateTaken;
if (tempDate != null)
infos += "\nDate taken: " + Convert.ToString(props.DateTaken);
if (props.Latitude != null)
infos += "\nLatitude: " + Convert.ToString(props.Latitude);
if (props.Longitude != null)
infos += "\nLongitude: " + Convert.ToString(props.Longitude);
return infos;
}
