public void RecalcCanvas(System.Drawing.Imaging.PixelFormat format)
{
// TODO get format by url ending / mime type?
_format = UtilDrawing.ConvertPixelFormat(format);
// Calculate the number of bytes per pixel.
_bytesPerPixel = (_format.BitsPerPixel + 7) / 8;
// Stride is bytes per pixel times the number of pixels.
// Stride is the byte width of a single rectangle row.
_stride = _width * _bytesPerPixel;
}
public void WriteOnlinePicture()
{
PrepareCanvas();
//Uri uri = new Uri(TextBoxURL.Text);
//BitmapImage bitmapImage = new BitmapImage();
//bitmapImage.CreateOptions = BitmapCreateOptions.None;
////bitmapImage.ImageOpened += ImageOpened;
//bitmapImage.UriSource = uri;
//ImageTest.Source = new WriteableBitmap(bitmapImage);
try
{
WebClient client = new WebClient();
Bitmap bitmap;
using (Stream BitmapStream = client.OpenRead(TextBoxURL.Text))
{
Image img = Image.FromStream(BitmapStream);
img = img.CopyWithTransparency();
bitmap = new Bitmap(img);
}
//Stream stream = client.OpenRead(TextBoxURL.Text);
//var bitmap = new Bitmap(stream);
//stream.Flush();
//stream.Close();
//var fileName = tmpPath + "filename.jpeg";
//bitmap.Save(fileName, System.Drawing.Imaging.ImageFormat.Jpeg);
//Console.WriteLine("Image written as " + fileName);
var baseLayer = UtilDrawing.CreateBitmapSourceFromBitmap(bitmap, System.Drawing.Imaging.ImageFormat.Bmp);
//var format = System.Drawing.Imaging.PixelFormat.Format32bppArgb;
var format = System.Drawing.Imaging.PixelFormat.Format32bppRgb;
//var format = baseLayer.Format;
var bpp = UtilDrawing.GetBytesPerPixel(format);
var stride = UtilDrawing.GetStride(bpp, bitmap.Width);
var pixels = new byte[UtilDrawing.GetSize(stride, bitmap.Height)];
baseLayer.CopyPixels(pixels, stride, 0);
_writablebitmap.WritePixels(new Int32Rect(0, 0, baseLayer.PixelWidth, baseLayer.PixelHeight), pixels, stride, 0);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
