public static ImageSource GetImage(string path, Assembly assembly)
{
string packString;
ImageSourceConverter converter = new ImageSourceConverter();
// first look in provided assembly
if (assembly != null)
{
packString = string.Format(
"pack://application:,,,/{0};component/{1}"
, assembly.GetName().Name
, path
);
//todo: this throws a null reference, need to find a way to see if path is valid without exception
if (converter.IsValid(packString))
{
return((ImageSource)converter.ConvertFromString(packString));
}
}
// now look in calling assembly
packString = string.Format(
"pack://application:,,,/{0};component/{1}"
, Assembly.GetCallingAssembly().GetName().Name
, path
);
//todo: this throws a null reference, need to find a way to see if path is valid without exception
if (converter.IsValid(packString))
{
return((ImageSource)converter.ConvertFromString(packString));
}
// now look in this assembly
packString = string.Format(
"pack://application:,,,/{0};component/{1}"
, Assembly.GetExecutingAssembly().GetName().Name
, path
);
if (converter.IsValid(packString))
{
return((ImageSource)converter.ConvertFromString(packString));
}
// give up ¯\_(ツ)_/¯
return(null);
}
/// <summary>
/// Set image of interest with Drag & Drop
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ImageDrop(object sender, DragEventArgs e)
{
string[] files = (string[])e.Data.GetData(DataFormats.FileDrop);
if (files.Length < 1)
{
return;
}
ImageSourceConverter converter = new ImageSourceConverter();
var dropped_file = files[0];
if (Path.GetExtension(dropped_file).Equals(".ico"))
{
return;
}
if (converter.IsValid(dropped_file))
{
image_of_interest = dropped_file;
var dropped_image_folder = Path.GetDirectoryName(dropped_file);
if (this.SearchFolder.Text.Equals(String.Empty))
{
this.SearchFolder.Text = dropped_image_folder;
}
UpdateImage(dropped_file);
}
}
private void GetLoadImages(string[] files)
{
if (files == null)
{
return;
}
ImageSourceConverter converter = new ImageSourceConverter();
List <string> correctFiles = new List <string>();
for (int i = 0; i < files.Count(); i++)
{
if (converter.IsValid(files[i]))
{
correctFiles.Add(files[i]);
}
}
if (correctFiles.Count < 0)
{
return;
}
List <Image <Bgr, Byte> > findImages = new List <Image <Bgr, byte> >();
foreach (string file in correctFiles)
{
findImages.Add(new Image <Bgr, byte>(file));
}
if (findImages.Count < 0)
{
return;
}
selectedImages = new List <Image <Bgr, byte> >(findImages);
currentPreviewImage = 0;
SetImagePreview(currentPreviewImage);
}
//Есть небольшие утечки памяти
private void GetLoadFaces(string[] files)
{
if (lockLoadFaces)
{
return;
}
lockLoadFaces = true;
TaskItem taskItem = null;
taskItem = new TaskItem("Получение лиц с фотографий", false, () =>
{
if (files == null)
{
return;
}
ImageSourceConverter converter = new ImageSourceConverter();
List <string> correctFiles = new List <string>();
for (int i = 0; i < files.Count(); i++)
{
if (converter.IsValid(files[i]))
{
correctFiles.Add(files[i]);
}
}
if (correctFiles.Count < 0)
{
return;
}
List <Image <Bgr, Byte> > findImages = new List <Image <Bgr, byte> >();
foreach (string file in correctFiles)
{
findImages.Add(new Image <Bgr, byte>(file));
}
if (findImages.Count < 0)
{
return;
}
List <Image <Bgr, Byte> > findFaces = new List <Image <Bgr, byte> >();
foreach (var img in findImages)
{
using (UMat ugray = new UMat())
{
CvInvoke.CvtColor(img, ugray, ColorConversion.Bgr2Gray);
CvInvoke.EqualizeHist(ugray, ugray);
var rects = HaarCascade.DetectMultiScale(ugray, 1.1, 10, new System.Drawing.Size(20, 20));
foreach (var rect in rects)
{
findFaces.Add(img.Copy(rect));
}
}
}
if (findFaces.Count < 0)
{
return;
}
selectedFaces = new List <Image <Bgr, byte> >(findFaces);
Dispatcher.Invoke(() =>
{
SelectedFaceCount.Content = "Всего выбрано: " + selectedFaces.Count();
});
currentFace = 0;
SetImageFace(currentFace);
Dispatcher.Invoke(() =>
{
taskItem.Remove();
});
lockLoadFaces = false;
});
TaskList.Items.Add(taskItem);
}