private async void OnDrop(object sender, DragEventArgs e)
{
// 记得获取Deferral对象
//var def = e.GetDeferral();
if (sender == imgQR || sender == rectDrop)
{
if (e.DataView.Contains(StandardDataFormats.StorageItems))
{
var items = await e.DataView.GetStorageItemsAsync();
if (items.Count > 0)
{
var storageFile = items[0] as StorageFile;
if (Utils.image_ext.Contains(storageFile.FileType.ToLower()))
{
if (storageFile.FileType.ToLower().Equals(".svg"))
{
var bitmapImage = new SvgImageSource();
if (e.DataView.Contains(StandardDataFormats.WebLink))
{
var url = await e.DataView.GetWebLinkAsync();
var rms = await RandomAccessStreamReference.CreateFromUri(url).OpenReadAsync();
var svg = await SVG.CreateFromStream(rms);
bitmapImage = svg.Source;
imgQR.Tag = svg.Bytes;
//await bitmapImage.SetSourceAsync(rms);
//await rms.FlushAsync();
//var bytes = WindowsRuntimeStreamExtensions.AsStreamForRead(rms.GetInputStreamAt(0));
//imgQR.Tag = bytes;
}
else if (e.DataView.Contains(StandardDataFormats.Text))
{
//var content = await e.DataView.GetHtmlFormatAsync();
var content = await e.DataView.GetTextAsync();
if (content.Length > 0)
{
var rms = await RandomAccessStreamReference.CreateFromUri(new Uri(content)).OpenReadAsync();
var svg = await SVG.CreateFromStream(rms);
bitmapImage = svg.Source;
imgQR.Tag = svg.Bytes;
//await bitmapImage.SetSourceAsync(rms);
//await rms.FlushAsync();
//var bytes = WindowsRuntimeStreamExtensions.AsStreamForRead(rms.GetInputStreamAt(0));
//imgQR.Tag = bytes;
}
}
else
{
var svg = await SVG.CreateFromStorageFile(storageFile);
bitmapImage = svg.Source;
imgQR.Tag = svg.Bytes;
//await bitmapImage.SetSourceAsync(await storageFile.OpenReadAsync());
//byte[] bytes = WindowsRuntimeBufferExtensions.ToArray(await FileIO.ReadBufferAsync(storageFile));
//imgQR.Tag = bytes;
}
imgQR.Source = bitmapImage;
}
else
{
var bitmapImage = new WriteableBitmap(1, 1);
if (e.DataView.Contains(StandardDataFormats.WebLink))
{
var url = await e.DataView.GetWebLinkAsync();
await bitmapImage.SetSourceAsync(await RandomAccessStreamReference.CreateFromUri(url).OpenReadAsync());
}
else if (e.DataView.Contains(StandardDataFormats.Text))
{
//var content = await e.DataView.GetHtmlFormatAsync();
var content = await e.DataView.GetTextAsync();
if (content.Length > 0)
{
await bitmapImage.SetSourceAsync(await RandomAccessStreamReference.CreateFromUri(new Uri(content)).OpenReadAsync());
}
}
else
{
await bitmapImage.SetSourceAsync(await storageFile.OpenReadAsync());
}
byte[] arr = WindowsRuntimeBufferExtensions.ToArray(bitmapImage.PixelBuffer, 0, (int)bitmapImage.PixelBuffer.Length);
imgQR.Source = bitmapImage;
}
}
}
}
else if (e.DataView.Contains(StandardDataFormats.WebLink))
{
var uri = await e.DataView.GetWebLinkAsync();
StorageFile storageFile = await StorageFile.GetFileFromApplicationUriAsync(uri);
if (Utils.image_ext.Contains(storageFile.FileType.ToLower()))
{
if (storageFile.FileType.ToLower().Equals(".svg"))
{
var bitmapImage = new SvgImageSource();
if (e.DataView.Contains(StandardDataFormats.WebLink))
{
var url = await e.DataView.GetWebLinkAsync();
var rms = await RandomAccessStreamReference.CreateFromUri(url).OpenReadAsync();
var svg = await SVG.CreateFromStream(rms);
bitmapImage = svg.Source;
imgQR.Tag = svg.Bytes;
//await bitmapImage.SetSourceAsync(rms);
//await rms.FlushAsync();
//var bytes = WindowsRuntimeStreamExtensions.AsStreamForRead(rms.GetInputStreamAt(0));
//imgQR.Tag = bytes;
}
else if (e.DataView.Contains(StandardDataFormats.Text))
{
//var content = await e.DataView.GetHtmlFormatAsync();
var content = await e.DataView.GetTextAsync();
if (content.Length > 0)
{
var rms = await RandomAccessStreamReference.CreateFromUri(new Uri(content)).OpenReadAsync();
var svg = await SVG.CreateFromStream(rms);
bitmapImage = svg.Source;
imgQR.Tag = svg.Bytes;
//await bitmapImage.SetSourceAsync(rms);
//await rms.FlushAsync();
//var bytes = WindowsRuntimeStreamExtensions.AsStreamForRead(rms.GetInputStreamAt(0));
//imgQR.Tag = bytes;
}
}
else
{
var svg = await SVG.CreateFromStorageFile(storageFile);
bitmapImage = svg.Source;
imgQR.Tag = svg.Bytes;
//await bitmapImage.SetSourceAsync(await storageFile.OpenReadAsync());
//byte[] bytes = WindowsRuntimeBufferExtensions.ToArray(await FileIO.ReadBufferAsync(storageFile));
//imgQR.Tag = bytes;
}
imgQR.Source = bitmapImage;
}
else
{
var bitmapImage = new WriteableBitmap(1, 1);
if (e.DataView.Contains(StandardDataFormats.WebLink))
{
var url = await e.DataView.GetWebLinkAsync();
await bitmapImage.SetSourceAsync(await RandomAccessStreamReference.CreateFromUri(url).OpenReadAsync());
}
else if (e.DataView.Contains(StandardDataFormats.Text))
{
//var content = await e.DataView.GetHtmlFormatAsync();
var content = await e.DataView.GetTextAsync();
if (content.Length > 0)
{
await bitmapImage.SetSourceAsync(await RandomAccessStreamReference.CreateFromUri(new Uri(content)).OpenReadAsync());
}
}
else
{
await bitmapImage.SetSourceAsync(await storageFile.OpenReadAsync());
}
byte[] arr = WindowsRuntimeBufferExtensions.ToArray(bitmapImage.PixelBuffer, 0, (int)bitmapImage.PixelBuffer.Length);
imgQR.Source = bitmapImage;
}
}
//var bitmapImage = new WriteableBitmap(1, 1);
//await bitmapImage.SetSourceAsync(await file.OpenAsync(FileAccessMode.Read));
//// Set the image on the main page to the dropped image
//byte[] arr = WindowsRuntimeBufferExtensions.ToArray(bitmapImage.PixelBuffer, 0, (int)bitmapImage.PixelBuffer.Length);
//imgQR.Source = bitmapImage;
}
}
else if (sender == edQR)
{
if (e.DataView.Contains(StandardDataFormats.StorageItems))
{
var items = await e.DataView.GetStorageItemsAsync();
if (items.Count > 0)
{
var storageFile = items[0] as StorageFile;
if (Utils.text_ext.Contains(storageFile.FileType.ToLower()))
{
edQR.Text = await FileIO.ReadTextAsync(storageFile);
}
}
}
else if (e.DataView.Contains(StandardDataFormats.Text) ||
e.DataView.Contains(StandardDataFormats.WebLink) ||
e.DataView.Contains(StandardDataFormats.Html) ||
e.DataView.Contains(StandardDataFormats.Rtf))
{
var content = await e.DataView.GetTextAsync();
if (content.Length > 0)
{
edQR.Text = content;
}
}
}
//def.Complete();
}
private async void OnDrop(object sender, DragEventArgs e)
{
// 需要异步拖放时记得获取Deferral对象
//var def = e.GetDeferral();
if (sender == imgSvg || sender == BackgroundCanvas)
{
if (e.DataView.Contains(StandardDataFormats.StorageItems))
{
var items = await e.DataView.GetStorageItemsAsync();
if (items.Count > 0)
{
try
{
var storageFile = items[0] as StorageFile;
SourceFileName = storageFile.Name;
if (Utils.image_ext.Contains(storageFile.FileType.ToLower()))
{
if (storageFile.FileType.ToLower().Equals(".svg"))
{
var bitmapImage = new SvgImageSource();
if (e.DataView.Contains(StandardDataFormats.WebLink))
{
var url = await e.DataView.GetWebLinkAsync();
var rms = await RandomAccessStreamReference.CreateFromUri(url).OpenReadAsync();
var svg = await SVG.CreateFromStream(rms);
bitmapImage = svg.Source;
imgSvg.Tag = svg.Bytes;
}
else if (e.DataView.Contains(StandardDataFormats.Text))
{
var content = await e.DataView.GetTextAsync();
if (content.Length > 0)
{
var rms = await RandomAccessStreamReference.CreateFromUri(new Uri(content)).OpenReadAsync();
var svg = await SVG.CreateFromStream(rms);
bitmapImage = svg.Source;
imgSvg.Tag = svg.Bytes;
}
}
else
{
var svg = await SVG.CreateFromStorageFile(storageFile);
bitmapImage = svg.Source;
imgSvg.Tag = svg.Bytes;
}
imgSvg.Source = bitmapImage;
viewSvg.StretchDirection = StretchDirection.Both;
}
else if (storageFile.FileType.ToLower().Equals(".xaml"))
{
//var xaml = await FileIO.ReadTextAsync(storageFile);
//var ui = xaml.LoadXAML();
}
else
{
imgSvg.Source = await storageFile.ToWriteableBitmap();
viewSvg.StretchDirection = StretchDirection.DownOnly;
}
}
}
catch (Exception ex)
{
await new MessageDialog(ex.Message.T(), "ERROR".T()).ShowAsync();
}
}
}
else if (e.DataView.Contains(StandardDataFormats.WebLink))
{
var uri = await e.DataView.GetWebLinkAsync();
try
{
StorageFile storageFile = await StorageFile.GetFileFromApplicationUriAsync(uri);
SourceFileName = storageFile.Name;
if (Utils.image_ext.Contains(storageFile.FileType.ToLower()))
{
if (storageFile.FileType.ToLower().Equals(".svg"))
{
var bitmapImage = new SvgImageSource();
if (e.DataView.Contains(StandardDataFormats.WebLink))
{
var url = await e.DataView.GetWebLinkAsync();
var rms = await RandomAccessStreamReference.CreateFromUri(url).OpenReadAsync();
var svg = await SVG.CreateFromStream(rms);
bitmapImage = svg.Source;
imgSvg.Tag = svg.Bytes;
}
else if (e.DataView.Contains(StandardDataFormats.Text))
{
var content = await e.DataView.GetTextAsync();
if (content.Length > 0)
{
var rms = await RandomAccessStreamReference.CreateFromUri(new Uri(content)).OpenReadAsync();
var svg = await SVG.CreateFromStream(rms);
bitmapImage = svg.Source;
imgSvg.Tag = svg.Bytes;
}
}
else
{
var svg = await SVG.CreateFromStorageFile(storageFile);
bitmapImage = svg.Source;
imgSvg.Tag = svg.Bytes;
}
imgSvg.Source = bitmapImage;
}
}
}
catch (Exception ex)
{
await new MessageDialog(ex.Message.T(), "ERROR".T()).ShowAsync();
}
}
}
//def.Complete();
}
private async void OnDrop(object sender, DragEventArgs e)
{
// 需要异步拖放时记得获取Deferral对象
//var def = e.GetDeferral();
if (sender == imgBase64 || sender == rectDrop)
{
if (e.DataView.Contains(StandardDataFormats.StorageItems))
{
var items = await e.DataView.GetStorageItemsAsync();
if (items.Count > 0)
{
var storageFile = items[0] as StorageFile;
if (Utils.image_ext.Contains(storageFile.FileType.ToLower()))
{
if (storageFile.FileType.ToLower().Equals(".svg"))
{
var bitmapImage = new SvgImageSource();
if (e.DataView.Contains(StandardDataFormats.WebLink))
{
var url = await e.DataView.GetWebLinkAsync();
var rms = await RandomAccessStreamReference.CreateFromUri(url).OpenReadAsync();
var svg = await SVG.CreateFromStream(rms);
bitmapImage = svg.Source;
imgBase64.Tag = svg.Bytes;
}
else if (e.DataView.Contains(StandardDataFormats.Text))
{
var content = await e.DataView.GetTextAsync();
if (content.Length > 0)
{
var rms = await RandomAccessStreamReference.CreateFromUri(new Uri(content)).OpenReadAsync();
var svg = await SVG.CreateFromStream(rms);
bitmapImage = svg.Source;
imgBase64.Tag = svg.Bytes;
}
}
else
{
var svg = await SVG.CreateFromStorageFile(storageFile);
bitmapImage = svg.Source;
imgBase64.Tag = svg.Bytes;
}
imgBase64.Source = bitmapImage;
}
else
{
var bitmapImage = new WriteableBitmap(1, 1);
if (e.DataView.Contains(StandardDataFormats.WebLink))
{
var url = await e.DataView.GetWebLinkAsync();
await bitmapImage.SetSourceAsync(await RandomAccessStreamReference.CreateFromUri(url).OpenReadAsync());
}
else if (e.DataView.Contains(StandardDataFormats.Text))
{
//var content = await e.DataView.GetHtmlFormatAsync();
var content = await e.DataView.GetTextAsync();
if (content.Length > 0)
{
await bitmapImage.SetSourceAsync(await RandomAccessStreamReference.CreateFromUri(new Uri(content)).OpenReadAsync());
}
}
else
{
await bitmapImage.SetSourceAsync(await storageFile.OpenReadAsync());
}
byte[] arr = WindowsRuntimeBufferExtensions.ToArray(bitmapImage.PixelBuffer, 0, (int)bitmapImage.PixelBuffer.Length);
imgBase64.Source = bitmapImage;
}
}
}
}
else if (e.DataView.Contains(StandardDataFormats.WebLink))
{
var uri = await e.DataView.GetWebLinkAsync();
StorageFile storageFile = await StorageFile.GetFileFromApplicationUriAsync(uri);
if (Utils.image_ext.Contains(storageFile.FileType.ToLower()))
{
if (storageFile.FileType.ToLower().Equals(".svg"))
{
var bitmapImage = new SvgImageSource();
if (e.DataView.Contains(StandardDataFormats.WebLink))
{
var url = await e.DataView.GetWebLinkAsync();
var rms = await RandomAccessStreamReference.CreateFromUri(url).OpenReadAsync();
var svg = await SVG.CreateFromStream(rms);
bitmapImage = svg.Source;
imgBase64.Tag = svg.Bytes;
}
else if (e.DataView.Contains(StandardDataFormats.Text))
{
//var content = await e.DataView.GetHtmlFormatAsync();
var content = await e.DataView.GetTextAsync();
if (content.Length > 0)
{
var rms = await RandomAccessStreamReference.CreateFromUri(new Uri(content)).OpenReadAsync();
var svg = await SVG.CreateFromStream(rms);
bitmapImage = svg.Source;
imgBase64.Tag = svg.Bytes;
}
}
else
{
await bitmapImage.SetSourceAsync(await storageFile.OpenReadAsync());
byte[] bytes = WindowsRuntimeBufferExtensions.ToArray(await FileIO.ReadBufferAsync(storageFile));
imgBase64.Tag = bytes;
}
imgBase64.Source = bitmapImage;
}
else
{
var bitmapImage = new WriteableBitmap(1, 1);
if (e.DataView.Contains(StandardDataFormats.WebLink))
{
var url = await e.DataView.GetWebLinkAsync();
await bitmapImage.SetSourceAsync(await RandomAccessStreamReference.CreateFromUri(url).OpenReadAsync());
}
else if (e.DataView.Contains(StandardDataFormats.Text))
{
var content = await e.DataView.GetTextAsync();
if (content.Length > 0)
{
await bitmapImage.SetSourceAsync(await RandomAccessStreamReference.CreateFromUri(new Uri(content)).OpenReadAsync());
}
}
else
{
await bitmapImage.SetSourceAsync(await storageFile.OpenReadAsync());
}
byte[] arr = WindowsRuntimeBufferExtensions.ToArray(bitmapImage.PixelBuffer, 0, (int)bitmapImage.PixelBuffer.Length);
imgBase64.Source = bitmapImage;
}
}
}
}
else if (sender == edBase64)
{
if (e.DataView.Contains(StandardDataFormats.StorageItems))
{
var items = await e.DataView.GetStorageItemsAsync();
if (items.Count > 0)
{
var storageFile = items[0] as StorageFile;
if (Utils.url_ext.Contains(storageFile.FileType.ToLower()))
{
if (e.DataView.Contains(StandardDataFormats.WebLink))
{
var url = await e.DataView.GetWebLinkAsync();
if (url.IsAbsoluteUri)
{
edBase64.Text = url.ToString();
}
else if (url.IsFile || url.IsUnc)
{
edBase64.Text = await FileIO.ReadTextAsync(storageFile);
}
}
else if (e.DataView.Contains(StandardDataFormats.Text))
{
//var content = await e.DataView.GetHtmlFormatAsync();
var content = await e.DataView.GetTextAsync();
if (content.Length > 0)
{
edBase64.Text = content;
}
}
}
else if (Utils.text_ext.Contains(storageFile.FileType.ToLower()))
{
edBase64.Text = await FileIO.ReadTextAsync(storageFile);
}
}
}
else if (e.DataView.Contains(StandardDataFormats.WebLink))
{
var uri = await e.DataView.GetWebLinkAsync();
StorageFile file = await StorageFile.GetFileFromApplicationUriAsync(uri);
if (!file.FileType.ToLower().Equals(".txt"))
{
return;
}
edBase64.Text = await FileIO.ReadTextAsync(file);
}
else if (e.DataView.Contains(StandardDataFormats.Text))
{
var content = await e.DataView.GetTextAsync();
if (content.Length > 0)
{
edBase64.Text = content;
}
}
}
await IsSVG(imgBase64);
//def.Complete();
}
