/// <summary>
/// Gets the file extension string.
/// </summary>
/// <param name="format">The selected format.</param>
/// <returns>This string represent a file extension.</returns>
private string GetFormatExtension(PhotoCaptureFormat format)
{
switch (format)
{
case PhotoCaptureFormat.JPG:
return(".jpg");
case PhotoCaptureFormat.BMP:
return(".bmp");
case PhotoCaptureFormat.PNG:
default:
return(".png");
}
}
/// <summary>
/// Gets the Image encondings properties.
/// </summary>
/// <param name="format">The selected format.</param>
/// <returns>The properties of the selected format.</returns>
private ImageEncodingProperties GetImageEncodingProperties(PhotoCaptureFormat format)
{
switch (format)
{
case PhotoCaptureFormat.JPG:
return(ImageEncodingProperties.CreateJpeg());
case PhotoCaptureFormat.BMP:
return(ImageEncodingProperties.CreateBmp());
case PhotoCaptureFormat.PNG:
default:
return(ImageEncodingProperties.CreatePng());
}
}
/// <summary>
/// Gets the file extension string.
/// </summary>
/// <param name="format">The selected format.</param>
/// <returns>This string represent a file extension.</returns>
private string GetFormatExtension(PhotoCaptureFormat format)
{
switch (format)
{
case PhotoCaptureFormat.JPG:
return ".jpg";
case PhotoCaptureFormat.BMP:
return ".bmp";
case PhotoCaptureFormat.PNG:
default:
return ".png";
}
}
/// <summary>
/// Gets the Image encondings properties.
/// </summary>
/// <param name="format">The selected format.</param>
/// <returns>The properties of the selected format.</returns>
private ImageEncodingProperties GetImageEncodingProperties(PhotoCaptureFormat format)
{
switch (format)
{
case PhotoCaptureFormat.JPG:
return ImageEncodingProperties.CreateJpeg();
case PhotoCaptureFormat.BMP:
return ImageEncodingProperties.CreateBmp();
case PhotoCaptureFormat.PNG:
default:
return ImageEncodingProperties.CreatePng();
}
}
/// <summary>
/// Take a new photo.
/// </summary>
/// <param name="filename">The output file name.</param>
/// <param name="parameters">The set of parameters used to take the photo, <see cref="ICameraResolution"/> class.</param>
/// <param name="format">The image format. <see cref="PhotoCaptureFormat"/> enum. </param>
/// <returns>The <see cref="VideoCaptureResult"/> struct.</returns>
public async Task<PhotoCaptureResult> TakePhotoAsync(string filename, ICameraResolution parameters, PhotoCaptureFormat format)
{
if (string.IsNullOrEmpty(filename))
{
throw new ArgumentException("The filename cannot be empty or null.");
}
if (!this.isInitialized)
{
Debug.WriteLine("First you need to initialize the videocapturemanager.");
return new PhotoCaptureResult();
}
try
{
if (parameters != null)
{
Debug.WriteLine("Applying paramenters...");
await this.mediaCapture.VideoDeviceController.SetMediaStreamPropertiesAsync(MediaStreamType.Photo, (parameters as StreamResolution).EncodingProperties);
}
Debug.WriteLine("Taking photo...");
var properties = this.GetImageEncodingProperties(format);
var name = filename + this.GetFormatExtension(format);
var file = await this.captureFolder.CreateFileAsync(name, CreationCollisionOption.GenerateUniqueName);
Debug.WriteLine("Photo taken! Saving to " + file.Path);
await this.mediaCapture.CapturePhotoToStorageFileAsync(properties, file);
Debug.WriteLine("Photo saved.");
return new PhotoCaptureResult(true, file.Path);
}
catch (Exception ex)
{
Debug.WriteLine("Exception when taking a photo: " + ex.ToString());
return new PhotoCaptureResult(false, string.Empty);
}
}
/// <summary>
/// Take a new photo and hold it in the output stream.
/// </summary>
/// <param name="parameters">The set of parameters used to take the photo, <see cref="ICameraResolution"/> class.</param>
/// <param name="format">The image format. <see cref="PhotoCaptureFormat"/> enum. </param>
/// <returns>The <see cref="PhotoCaptureStreamResult"/> struct.</returns>
public async Task<PhotoCaptureStreamResult> TakePhotoToStreamAsync(ICameraResolution parameters, PhotoCaptureFormat format)
{
if (!this.isInitialized)
{
Debug.WriteLine("First you need to initialize the videocapturemanager.");
return new PhotoCaptureStreamResult();
}
try
{
if (parameters != null)
{
Debug.WriteLine("Applying paramenters...");
await this.mediaCapture.VideoDeviceController.SetMediaStreamPropertiesAsync(MediaStreamType.Photo, (parameters as StreamResolution).EncodingProperties);
}
Debug.WriteLine("Taking photo...");
var stream = new InMemoryRandomAccessStream();
var properties = this.GetImageEncodingProperties(format);
await this.mediaCapture.CapturePhotoToStreamAsync(properties, stream);
Debug.WriteLine("Photo stream loaded.");
return new PhotoCaptureStreamResult(true, stream.AsStream());
}
catch (Exception ex)
{
Debug.WriteLine("Exception when taking a photo: " + ex.ToString());
return new PhotoCaptureStreamResult(false, Stream.Null);
}
}
/// <summary>
/// Take a new photo.
/// </summary>
/// <param name="filename">The output file name.</param>
/// <param name="parameters">The set of parameters used to take the photo, <see cref="ICameraResolution"/> class.</param>
/// <param name="format">The image format. <see cref="PhotoCaptureFormat"/> enum. </param>
/// <returns>The <see cref="VideoCaptureResult"/> struct.</returns>
public async Task <PhotoCaptureResult> TakePhotoAsync(string filename, ICameraResolution parameters = null, PhotoCaptureFormat format = PhotoCaptureFormat.JPG)
{
PhotoCaptureResult result = default(PhotoCaptureResult);
if (this.videoCaptureManager != null)
{
result = await this.videoCaptureManager.TakePhotoAsync(filename, parameters, format);
}
return(result);
}
/// <summary>
/// Take a new photo and hold it in the output stream.
/// </summary>
/// <param name="parameters">The set of parameters used to take the photo, <see cref="ICameraResolution"/> class.</param>
/// <param name="format">The image format. <see cref="PhotoCaptureFormat"/> enum. </param>
/// <returns>The <see cref="PhotoCaptureStreamResult"/> struct.</returns>
public async Task <PhotoCaptureStreamResult> TakePhotoInStreamAsync(ICameraResolution parameters = null, PhotoCaptureFormat format = PhotoCaptureFormat.JPG)
{
PhotoCaptureStreamResult result = default(PhotoCaptureStreamResult);
if (this.videoCaptureManager != null)
{
result = await this.videoCaptureManager.TakePhotoToStreamAsync(parameters, format);
}
return(result);
}
/// <summary>
/// Take a new photo.
/// </summary>
/// <param name="filename">The output file name.</param>
/// <param name="parameters">The set of parameters used to take the photo, <see cref="ICameraResolution"/> class.</param>
/// <param name="format">The image format. <see cref="PhotoCaptureFormat"/> enum. </param>
/// <returns>The <see cref="VideoCaptureResult"/> struct.</returns>
public async Task <PhotoCaptureResult> TakePhotoAsync(string filename, ICameraResolution parameters, PhotoCaptureFormat format)
{
if (string.IsNullOrEmpty(filename))
{
throw new ArgumentException("The filename cannot be empty or null.");
}
if (!this.isInitialized)
{
Debug.WriteLine("First you need to initialize the videocapturemanager.");
return(new PhotoCaptureResult());
}
try
{
if (parameters != null)
{
Debug.WriteLine("Applying paramenters...");
await this.mediaCapture.VideoDeviceController.SetMediaStreamPropertiesAsync(MediaStreamType.Photo, (parameters as StreamResolution).EncodingProperties);
}
Debug.WriteLine("Taking photo...");
var properties = this.GetImageEncodingProperties(format);
var name = filename + this.GetFormatExtension(format);
var file = await this.captureFolder.CreateFileAsync(name, CreationCollisionOption.GenerateUniqueName);
Debug.WriteLine("Photo taken! Saving to " + file.Path);
await this.mediaCapture.CapturePhotoToStorageFileAsync(properties, file);
Debug.WriteLine("Photo saved.");
return(new PhotoCaptureResult(true, file.Path));
}
catch (Exception ex)
{
Debug.WriteLine("Exception when taking a photo: " + ex.ToString());
return(new PhotoCaptureResult(false, string.Empty));
}
}
/// <summary>
/// Take a new photo and hold it in the output stream.
/// </summary>
/// <param name="parameters">The set of parameters used to take the photo, <see cref="ICameraResolution"/> class.</param>
/// <param name="format">The image format. <see cref="PhotoCaptureFormat"/> enum. </param>
/// <returns>The <see cref="PhotoCaptureStreamResult"/> struct.</returns>
public async Task <PhotoCaptureStreamResult> TakePhotoToStreamAsync(ICameraResolution parameters, PhotoCaptureFormat format)
{
if (!this.isInitialized)
{
Debug.WriteLine("First you need to initialize the videocapturemanager.");
return(new PhotoCaptureStreamResult());
}
try
{
if (parameters != null)
{
Debug.WriteLine("Applying paramenters...");
await this.mediaCapture.VideoDeviceController.SetMediaStreamPropertiesAsync(MediaStreamType.Photo, (parameters as StreamResolution).EncodingProperties);
}
Debug.WriteLine("Taking photo...");
var stream = new InMemoryRandomAccessStream();
var properties = this.GetImageEncodingProperties(format);
await this.mediaCapture.CapturePhotoToStreamAsync(properties, stream);
Debug.WriteLine("Photo stream loaded.");
return(new PhotoCaptureStreamResult(true, stream.AsStream()));
}
catch (Exception ex)
{
Debug.WriteLine("Exception when taking a photo: " + ex.ToString());
return(new PhotoCaptureStreamResult(false, Stream.Null));
}
}
