public static void SaveImage(this UIElement uiElement)
{
var dialog = new SaveFileDialog
{
DefaultExt = ".png",
Filter = "PNG | *.png | JPG | *.jpg",
};
var save = dialog.ShowDialog();
if (save.HasValue && save.Value)
{
var saveStream = dialog.OpenFile();
var bitmap = new WriteableBitmap(uiElement, new TranslateTransform());
var image = bitmap.ToImage();
if (dialog.SafeFileName.EndsWith(".png"))
{
var encoder = new PngEncoder();
encoder.Encode(image, saveStream);
}
else if (dialog.SafeFileName.EndsWith(".jpg"))
{
var encoder = new JpegEncoder();
encoder.Encode(image, saveStream);
}
saveStream.Close();
}
}
public static void SaveJpeg(this WriteableBitmap bitmap, Stream targetStream, int targetWidth, int targetHeight, int orientation, int quality)
{
ExtendedImage image = null;
var disp = bitmap.Dispatcher;
using (var are = new AutoResetEvent(false))
{
disp.BeginInvoke(() =>
{
image = bitmap.ToImage();
are.Set();
});
are.WaitOne();
}
var resizer = new NearestNeighborResizer();
var imageBaseOut = new ExtendedImage(targetWidth, targetHeight);
resizer.Resize(image, imageBaseOut, targetWidth, targetHeight);
var encoder = new JpegEncoder {Quality = quality};
encoder.Encode(imageBaseOut, targetStream);
}
private void btnSave_Click(object sender, RoutedEventArgs e)
{
SaveFileDialog sfd = new SaveFileDialog();
sfd.Filter = "JPEGファイル (*.jpg)|*.jpg|PNGファイル (*.png)|*.png|ビットマップファイル (*.bmp)|*.bmp";
if (sfd.ShowDialog() == true)
{
IImageEncoder enc;
string fn = sfd.SafeFileName.ToLower();
if(fn.EndsWith(".jpg"))
{
enc = new JpegEncoder();
}
else if (fn.EndsWith(".png"))
{
enc = new PngEncoder();
}
else if (fn.EndsWith(".bmp"))
{
enc = new BmpEncoder();
}
else
{
MessageBox.Show("エラー");
return;
}
double scaledWidth = (cropImage.Width * zoom);
double scaledHeight = (cropImage.Height * zoom);
double scaledLeft = (imageWidth - scaledWidth) / 2;
double scaledTop = (imageHeight - scaledHeight) / 2;
Rect r = new Rect((double)cropCanvas.GetValue(Canvas.LeftProperty), (double)cropCanvas.GetValue(Canvas.TopProperty), cropCanvas.Width, cropCanvas.Height);
Rect r2 = new Rect(scaledLeft, scaledTop, scaledWidth , scaledHeight);
r.Intersect(r2);
double clipedLeft = r.Left - scaledLeft;
double clipedTop = r.Top - scaledTop;
r.X = clipedLeft;
r.Y = clipedTop;
ScaleTransform st = new ScaleTransform();
st.ScaleX = zoom;
st.ScaleY = zoom;
WriteableBitmap wb = new WriteableBitmap(cropImage, st);
WriteableBitmap outputWb = new WriteableBitmap((int)r.Width, (int)r.Height);
outputWb.Blit(new Rect(0, 0, r.Width, r.Height), wb, new Rect(r.Left, r.Top, r.Width, r.Height));
ImageTools.Image img = ToImage(outputWb);
using (Stream stream = sfd.OpenFile())
{
enc.Encode(img, stream);
}
}
}
void saveImage(ImageTools.Image image, String filename, int num)
{
// get a path to save pictures
String myPictures = Environment.GetFolderPath(Environment.SpecialFolder.MyPictures);
// create a new directory at that path
DirectoryInfo lapseDir = Directory.CreateDirectory(myPictures + "\\" + filename + "\\" + camera.FriendlyName);
// save the picture
using (Stream stream = File.Create(lapseDir.FullName + "\\" + filename + num + ".jpg"))
{
// Declare jpeg encoder
var encoder = new JpegEncoder();
// Set the image quality
encoder.Quality = 90;
// Finally encode raw bitmap and save it as a jpg image
encoder.Encode(image, stream);
// Close the stream
stream.Close();
}
}