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);
}
}
}
private void saveImage(Stream image, bool shutdown = false)
{
using (var store = System.IO.IsolatedStorage.IsolatedStorageFile.GetUserStoreForApplication())
{
string filename = "mologo.bmp";
if (shutdown)
{
filename = "mologo_shutdown.bmp";
}
#if WP8
using (var stream = File.Open(splashDir+filename,FileMode.Create))
#else
using (var stream = store.OpenFile(filename, System.IO.FileMode.Create))
#endif
{
var img = new Image();
img.Width = ResolutionSize.Width;
img.Height = ResolutionSize.Height;
var bi = new BitmapImage();
bi.SetSource(image);
img.Source = bi;
var img1 = img.ToImage();
IImageEncoder encoder = new BmpEncoder();
ExtendedImage ei = new ExtendedImage(img1);
if (ei.PixelHeight != (int)ResolutionSize.Height || ei.PixelWidth != (int)ResolutionSize.Width)
{
byte[] pixels = new byte[((int)ResolutionSize.Height) * ((int)ResolutionSize.Width)];
int i = 0;
foreach (byte b in pixels)
{
if (ei.Pixels.Length < i)
{
pixels[i] = b;
}
else
{
pixels[i] = 0;
}
i++;
}
ei.SetPixels((int)ResolutionSize.Width, (int)ResolutionSize.Height, ei.Pixels);
}
encoder.Encode(ei, stream);
}
}
}