public async void Quadraliteral(StorageFile file, IList <WF.Point> points)
{
var data = await FileIO.ReadBufferAsync(file);
OpencvImageProcess opencv = new OpencvImageProcess();
// create a stream from the file
var ms = new InMemoryRandomAccessStream();
var dw = new DataWriter(ms);
dw.WriteBuffer(data);
await dw.StoreAsync();
ms.Seek(0);
// find out how big the image is, don't need this if you already know
var bm = new BitmapImage();
await bm.SetSourceAsync(ms);
// create a writable bitmap of the right size
var wb = new WriteableBitmap(bm.PixelWidth, bm.PixelHeight);
ms.Seek(0);
// load the writable bitpamp from the stream
await wb.SetSourceAsync(ms);
Bitmap bmp = (Bitmap)wb;
var wb1 = opencv.GetImageCorners(wb);
wb1.Invalidate();
//wb.Invalidate();
// define quadrilateral's corners
//List<IntPoint> corners = new List<IntPoint>();
//foreach (var point in points)
//{
// corners.Add(new IntPoint((int)point.X, (int)point.Y));
//}
//// create filter
//var filter =
// new SimpleQuadrilateralTransformation(corners);
//// apply the filter
//Bitmap newImage = filter.Apply(bmp);
//wb = (WriteableBitmap)newImage;
var f = await this.WriteableBitmapToStorageFile(wb1, FileFormat.Jpeg);
}
public async void Quadraliteral(StorageFile file, IList<WF.Point> points)
{
var data = await FileIO.ReadBufferAsync(file);
OpencvImageProcess opencv = new OpencvImageProcess();
// create a stream from the file
var ms = new InMemoryRandomAccessStream();
var dw = new DataWriter(ms);
dw.WriteBuffer(data);
await dw.StoreAsync();
ms.Seek(0);
// find out how big the image is, don't need this if you already know
var bm = new BitmapImage();
await bm.SetSourceAsync(ms);
// create a writable bitmap of the right size
var wb = new WriteableBitmap(bm.PixelWidth, bm.PixelHeight);
ms.Seek(0);
// load the writable bitpamp from the stream
await wb.SetSourceAsync(ms);
Bitmap bmp = (Bitmap)wb;
var wb1 = opencv.GetImageCorners(wb);
wb1.Invalidate();
//wb.Invalidate();
// define quadrilateral's corners
//List<IntPoint> corners = new List<IntPoint>();
//foreach (var point in points)
//{
// corners.Add(new IntPoint((int)point.X, (int)point.Y));
//}
//// create filter
//var filter =
// new SimpleQuadrilateralTransformation(corners);
//// apply the filter
//Bitmap newImage = filter.Apply(bmp);
//wb = (WriteableBitmap)newImage;
var f = await this.WriteableBitmapToStorageFile(wb1, FileFormat.Jpeg);
}
