private void Button_Click_2(object sender, RoutedEventArgs e)
{
BitmapFrame croppedBitmapFrame = CroppingAdorner.GetCroppedBitmapFrame();
//create PNG image
BitmapEncoder encoder = new PngBitmapEncoder();
encoder.Frames.Add(BitmapFrame.Create(croppedBitmapFrame));
//save image to file
SaveFileDialog dlg = new SaveFileDialog();
dlg.FileName = "TestCropping"; // Default file name
dlg.DefaultExt = ".png"; // Default file extension
dlg.Filter = "Image png (.png)|*.png"; // Filter files by extension
// Show save file dialog box
Nullable <bool> result = dlg.ShowDialog();
// Process save file dialog box results
if (result == true)
{
// Save document
string filename = dlg.FileName;
using (FileStream imageFile =
new FileStream(filename, FileMode.Create, FileAccess.Write))
{
encoder.Save(imageFile);
imageFile.Flush();
imageFile.Close();
}
}
}
/// <summary>
/// Initialize Cropping Adorner and find puzzle pieces image
/// </summary>
private void PieceBackgroundColorPickerWindow_Loaded(object sender, RoutedEventArgs e)
{
AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(CroppingCanvasPanel);
CroppingAdorner = new CroppingAdorner(CroppingCanvasPanel);
adornerLayer.Add(CroppingAdorner);
CroppingAdorner.OnRectangleSizeChangedEvent += (s, args) => { CroppedImage = CroppingAdorner.GetCroppedBitmapFrame(); };
CroppingAdorner.OnRectangleLocationChangedEvent += (s, args) => { CroppedImage = CroppingAdorner.GetCroppedBitmapFrame(); };
CroppingAdorner.SizeChanged += (s, args) => { CroppedImage = CroppingAdorner.GetCroppedBitmapFrame(); };
if (Directory.Exists(_puzzlePiecesFolderPath))
{
List <string> imageExtensions = new List <string>()
{
".jpg", ".png", ".bmp", ".tiff"
};
DirectoryInfo dirInfo = new DirectoryInfo(_puzzlePiecesFolderPath);
List <FileInfo> fileInfos = dirInfo.GetFiles("*.*").ToList();
fileInfos = fileInfos.Where(f => imageExtensions.Contains(f.Extension)).ToList();
PuzzlePieceImageFileName = fileInfos?.First().FullName;
}
}