//<SnippetOpenCVFrameArrived>
private void ColorFrameReader_FrameArrived_OpenCV(MediaFrameReader sender, MediaFrameArrivedEventArgs args)
{
var mediaFrameReference = sender.TryAcquireLatestFrame();
if (mediaFrameReference != null)
{
SoftwareBitmap openCVInputBitmap = null;
var inputBitmap = mediaFrameReference.VideoMediaFrame?.SoftwareBitmap;
if (inputBitmap != null)
{
//The XAML Image control can only display images in BRGA8 format with premultiplied or no alpha
if (inputBitmap.BitmapPixelFormat == BitmapPixelFormat.Bgra8 &&
inputBitmap.BitmapAlphaMode == BitmapAlphaMode.Premultiplied)
{
openCVInputBitmap = SoftwareBitmap.Copy(inputBitmap);
}
else
{
openCVInputBitmap = SoftwareBitmap.Convert(inputBitmap, BitmapPixelFormat.Bgra8, BitmapAlphaMode.Premultiplied);
}
SoftwareBitmap openCVOutputBitmap = new SoftwareBitmap(BitmapPixelFormat.Bgra8, openCVInputBitmap.PixelWidth, openCVInputBitmap.PixelHeight, BitmapAlphaMode.Premultiplied);
// operate on the image and render it
openCVHelper.Blur(openCVInputBitmap, openCVOutputBitmap);
_frameRenderer.PresentSoftwareBitmap(openCVOutputBitmap);
}
}
}
private async void OpenCVButton_Click(object sender, Windows.UI.Xaml.RoutedEventArgs e)
{
// <SnippetOpenCVBlur>
FileOpenPicker fileOpenPicker = new FileOpenPicker();
fileOpenPicker.SuggestedStartLocation = PickerLocationId.PicturesLibrary;
fileOpenPicker.FileTypeFilter.Add(".jpg");
fileOpenPicker.ViewMode = PickerViewMode.Thumbnail;
var inputFile = await fileOpenPicker.PickSingleFileAsync();
if (inputFile == null)
{
// The user cancelled the picking operation
return;
}
SoftwareBitmap inputBitmap;
using (IRandomAccessStream stream = await inputFile.OpenAsync(FileAccessMode.Read))
{
// Create the decoder from the stream
BitmapDecoder decoder = await BitmapDecoder.CreateAsync(stream);
// Get the SoftwareBitmap representation of the file
inputBitmap = await decoder.GetSoftwareBitmapAsync();
}
if (inputBitmap.BitmapPixelFormat != BitmapPixelFormat.Bgra8 ||
inputBitmap.BitmapAlphaMode != BitmapAlphaMode.Premultiplied)
{
inputBitmap = SoftwareBitmap.Convert(inputBitmap, BitmapPixelFormat.Bgra8, BitmapAlphaMode.Premultiplied);
}
SoftwareBitmap outputBitmap = new SoftwareBitmap(inputBitmap.BitmapPixelFormat, inputBitmap.PixelWidth, inputBitmap.PixelHeight, BitmapAlphaMode.Premultiplied);
var helper = new OpenCVBridge.OpenCVHelper();
helper.Blur(inputBitmap, outputBitmap);
var bitmapSource = new SoftwareBitmapSource();
await bitmapSource.SetBitmapAsync(outputBitmap);
imageControl.Source = bitmapSource;
// </SnippetOpenCVBlur>
}
private async void Options_changed(object sender, SelectionChangedEventArgs e)
{
if (Cut.IsSelected)
{
string desiredName = DateTime.Now.Ticks + ".jpg";
StorageFolder applicationFolder = ApplicationData.Current.LocalFolder;
StorageFolder folder = await applicationFolder.CreateFolderAsync("Pic", CreationCollisionOption.OpenIfExists);
StorageFile saveFile = await folder.CreateFileAsync(desiredName, CreationCollisionOption.OpenIfExists);
RenderTargetBitmap bitmap = new RenderTargetBitmap();
await bitmap.RenderAsync(Img);
var pixelBuffer = await bitmap.GetPixelsAsync();
using (var fileStream = await saveFile.OpenAsync(FileAccessMode.ReadWrite))
{
var encoder = await BitmapEncoder.CreateAsync(BitmapEncoder.PngEncoderId, fileStream);
encoder.SetPixelData(BitmapPixelFormat.Bgra8,
BitmapAlphaMode.Ignore,
(uint)bitmap.PixelWidth,
(uint)bitmap.PixelHeight,
DisplayInformation.GetForCurrentView().LogicalDpi,
DisplayInformation.GetForCurrentView().LogicalDpi,
pixelBuffer.ToArray());
await encoder.FlushAsync();
}
if (saveFile != null)
{
CutPicture(saveFile);
}
}
else
{
if (addfilter.IsSelected)
{
string desiredName = DateTime.Now.Ticks + ".jpg";
StorageFolder applicationFolder = ApplicationData.Current.LocalFolder;
StorageFolder folder = await applicationFolder.CreateFolderAsync("Pic", CreationCollisionOption.OpenIfExists);
StorageFile saveFile = await folder.CreateFileAsync(desiredName, CreationCollisionOption.OpenIfExists);
RenderTargetBitmap bitmap = new RenderTargetBitmap();
await bitmap.RenderAsync(Img);
var pixelBuffer = await bitmap.GetPixelsAsync();
using (var fileStream = await saveFile.OpenAsync(FileAccessMode.ReadWrite))
{
var encoder = await BitmapEncoder.CreateAsync(BitmapEncoder.PngEncoderId, fileStream);
encoder.SetPixelData(BitmapPixelFormat.Bgra8,
BitmapAlphaMode.Ignore,
(uint)bitmap.PixelWidth,
(uint)bitmap.PixelHeight,
DisplayInformation.GetForCurrentView().LogicalDpi,
DisplayInformation.GetForCurrentView().LogicalDpi,
pixelBuffer.ToArray());
await encoder.FlushAsync();
}
if (saveFile != null)
{
BlankPage2 editor = new BlankPage2();
editor.Show(saveFile);
editor.ImageEditedCompleted += (image_edited) =>
{
Img.Source = image_edited;
};
}
}
else
{
if (blur.IsSelected)
{
string desiredName = DateTime.Now.Ticks + ".jpg";
StorageFolder applicationFolder = ApplicationData.Current.LocalFolder;
StorageFolder folder = await applicationFolder.CreateFolderAsync("Pic", CreationCollisionOption.OpenIfExists);
StorageFile saveFile = await folder.CreateFileAsync(desiredName, CreationCollisionOption.OpenIfExists);
RenderTargetBitmap bitmap = new RenderTargetBitmap();
await bitmap.RenderAsync(Img);
var pixelBuffer = await bitmap.GetPixelsAsync();
using (var fileStream = await saveFile.OpenAsync(FileAccessMode.ReadWrite))
{
var encoder = await BitmapEncoder.CreateAsync(BitmapEncoder.PngEncoderId, fileStream);
encoder.SetPixelData(BitmapPixelFormat.Bgra8,
BitmapAlphaMode.Ignore,
(uint)bitmap.PixelWidth,
(uint)bitmap.PixelHeight,
DisplayInformation.GetForCurrentView().LogicalDpi,
DisplayInformation.GetForCurrentView().LogicalDpi,
pixelBuffer.ToArray());
await encoder.FlushAsync();
}
if (saveFile == null)
{
// The user cancelled the picking operation
return;
}
SoftwareBitmap inputBitmap;
using (IRandomAccessStream stream = await saveFile.OpenAsync(FileAccessMode.Read))
{
// Create the decoder from the stream
BitmapDecoder decoder = await BitmapDecoder.CreateAsync(stream);
// Get the SoftwareBitmap representation of the file
inputBitmap = await decoder.GetSoftwareBitmapAsync();
}
if (inputBitmap.BitmapPixelFormat != BitmapPixelFormat.Bgra8 ||
inputBitmap.BitmapAlphaMode != BitmapAlphaMode.Premultiplied)
{
inputBitmap = SoftwareBitmap.Convert(inputBitmap, BitmapPixelFormat.Bgra8, BitmapAlphaMode.Premultiplied);
}
SoftwareBitmap outputBitmap = new SoftwareBitmap(inputBitmap.BitmapPixelFormat, inputBitmap.PixelWidth, inputBitmap.PixelHeight, BitmapAlphaMode.Premultiplied);
var helper = new OpenCVBridge.OpenCVHelper();
helper.Blur(inputBitmap, outputBitmap);
var bitmapSource = new SoftwareBitmapSource();
await bitmapSource.SetBitmapAsync(outputBitmap);
Img.Source = bitmapSource;
}
else
{
if (scrawl.IsSelected)
{
string desiredName = DateTime.Now.Ticks + ".jpg";
StorageFolder applicationFolder = ApplicationData.Current.LocalFolder;
StorageFolder folder = await applicationFolder.CreateFolderAsync("Pic", CreationCollisionOption.OpenIfExists);
StorageFile saveFile = await folder.CreateFileAsync(desiredName, CreationCollisionOption.OpenIfExists);
RenderTargetBitmap bitmap = new RenderTargetBitmap();
await bitmap.RenderAsync(Img);
var pixelBuffer = await bitmap.GetPixelsAsync();
using (var fileStream = await saveFile.OpenAsync(FileAccessMode.ReadWrite))
{
var encoder = await BitmapEncoder.CreateAsync(BitmapEncoder.PngEncoderId, fileStream);
encoder.SetPixelData(BitmapPixelFormat.Bgra8,
BitmapAlphaMode.Ignore,
(uint)bitmap.PixelWidth,
(uint)bitmap.PixelHeight,
DisplayInformation.GetForCurrentView().LogicalDpi,
DisplayInformation.GetForCurrentView().LogicalDpi,
pixelBuffer.ToArray());
await encoder.FlushAsync();
}
if (saveFile != null)
{
scrawl editor = new scrawl();
editor.Show(saveFile);
editor.ImageEditedCompleted += (image_edited) =>
{
Img.Source = image_edited;
};
}
}
else
{
if (open.IsSelected)
{
//文件选择器
FileOpenPicker openPicker = new FileOpenPicker();
//初始位置
openPicker.SuggestedStartLocation = PickerLocationId.PicturesLibrary;
//添加文件类型
openPicker.FileTypeFilter.Add(".jpg");
openPicker.FileTypeFilter.Add(".jpeg");
openPicker.FileTypeFilter.Add(".png");
openPicker.FileTypeFilter.Add(".gif");
//选取单个文件
Windows.Storage.StorageFile file = await openPicker.PickSingleFileAsync();
if (file != null)
{
using (IRandomAccessStream stream = await file.OpenAsync(FileAccessMode.Read))
{
var srcImage = new BitmapImage();
await srcImage.SetSourceAsync(stream);
Img.Source = srcImage;
}
}
}
else
{
if (regenerate.IsSelected)
{
MyFrame.Navigate(typeof(Page1));
}
else
{
if (Camera.IsSelected)
{
CameraCaptureUI captureUI = new CameraCaptureUI();
captureUI.PhotoSettings.Format = CameraCaptureUIPhotoFormat.Jpeg;
captureUI.PhotoSettings.CroppedSizeInPixels = new Size(200, 200);
StorageFile photo = await captureUI.CaptureFileAsync(CameraCaptureUIMode.Photo);
if (photo == null)
{
// User cancelled photo capture
return;
}
IRandomAccessStream stream = await photo.OpenAsync(FileAccessMode.Read);
BitmapDecoder decoder = await BitmapDecoder.CreateAsync(stream);
SoftwareBitmap softwareBitmap = await decoder.GetSoftwareBitmapAsync();
SoftwareBitmap softwareBitmapBGR8 = SoftwareBitmap.Convert(softwareBitmap,
BitmapPixelFormat.Bgra8,
BitmapAlphaMode.Premultiplied);
SoftwareBitmapSource bitmapSource = new SoftwareBitmapSource();
await bitmapSource.SetBitmapAsync(softwareBitmapBGR8);
Img.Source = bitmapSource;
}
else
{
if (save.IsSelected)
{
FileSavePicker savefile = new FileSavePicker();
//初始位置
savefile.SuggestedStartLocation = PickerLocationId.PicturesLibrary;
// 显示在下拉列表的文件类型
savefile.FileTypeChoices.Add("图片", new List <string>()
{
".png", ".jpg", ".jpeg", ".bmp"
});
// 默认的文件名
savefile.SuggestedFileName = "SaveFile";
StorageFile sFile = await savefile.PickSaveFileAsync();
if (sFile != null)
{
// 在用户完成更改并调用CompleteUpdatesAsync之前，阻止对文件的更新
CachedFileManager.DeferUpdates(sFile);
//把控件变成图像
RenderTargetBitmap renderTargetBitmap = new RenderTargetBitmap();
//传入参数Image控件
await renderTargetBitmap.RenderAsync(Img);
IBuffer pixelbuffer = await renderTargetBitmap.GetPixelsAsync();
using (var fileStream = await sFile.OpenAsync(FileAccessMode.ReadWrite))
{
var encoder = await BitmapEncoder.CreateAsync(BitmapEncoder.PngEncoderId, fileStream);
encoder.SetPixelData(
BitmapPixelFormat.Bgra8,
BitmapAlphaMode.Ignore,
(uint)renderTargetBitmap.PixelWidth,
(uint)renderTargetBitmap.PixelHeight,
DisplayInformation.GetForCurrentView().LogicalDpi,
DisplayInformation.GetForCurrentView().LogicalDpi,
pixelbuffer.ToArray()
);
//刷新图像
await encoder.FlushAsync();
}
}
}
else
{
if (Sharpen.IsSelected)
{
string desiredName = DateTime.Now.Ticks + ".jpg";
StorageFolder applicationFolder = ApplicationData.Current.LocalFolder;
StorageFolder folder = await applicationFolder.CreateFolderAsync("Pic", CreationCollisionOption.OpenIfExists);
StorageFile saveFile = await folder.CreateFileAsync(desiredName, CreationCollisionOption.OpenIfExists);
RenderTargetBitmap bitmap = new RenderTargetBitmap();
await bitmap.RenderAsync(Img);
var pixelBuffer = await bitmap.GetPixelsAsync();
using (var fileStream = await saveFile.OpenAsync(FileAccessMode.ReadWrite))
{
var encoder = await BitmapEncoder.CreateAsync(BitmapEncoder.PngEncoderId, fileStream);
encoder.SetPixelData(BitmapPixelFormat.Bgra8,
BitmapAlphaMode.Ignore,
(uint)bitmap.PixelWidth,
(uint)bitmap.PixelHeight,
DisplayInformation.GetForCurrentView().LogicalDpi,
DisplayInformation.GetForCurrentView().LogicalDpi,
pixelBuffer.ToArray());
await encoder.FlushAsync();
}
if (saveFile != null)
{
BlankPage1 editor = new BlankPage1();
editor.Show(saveFile);
editor.ImageEditedCompleted += (image_edited) =>
{
Img.Source = image_edited;
};
}
}
else
{
string desiredName = DateTime.Now.Ticks + ".jpg";
StorageFolder applicationFolder = ApplicationData.Current.LocalFolder;
StorageFolder folder = await applicationFolder.CreateFolderAsync("Pic", CreationCollisionOption.OpenIfExists);
StorageFile saveFile = await folder.CreateFileAsync(desiredName, CreationCollisionOption.OpenIfExists);
RenderTargetBitmap bitmap = new RenderTargetBitmap();
await bitmap.RenderAsync(Img);
var pixelBuffer = await bitmap.GetPixelsAsync();
using (var fileStream = await saveFile.OpenAsync(FileAccessMode.ReadWrite))
{
var encoder = await BitmapEncoder.CreateAsync(BitmapEncoder.PngEncoderId, fileStream);
encoder.SetPixelData(BitmapPixelFormat.Bgra8,
BitmapAlphaMode.Ignore,
(uint)bitmap.PixelWidth,
(uint)bitmap.PixelHeight,
DisplayInformation.GetForCurrentView().LogicalDpi,
DisplayInformation.GetForCurrentView().LogicalDpi,
pixelBuffer.ToArray());
await encoder.FlushAsync();
}
if (saveFile != null)
{
paster editor = new paster();
editor.Show(saveFile);
editor.ImageEditedCompleted += (image_edited) =>
{
Img.Source = image_edited;
};
}
}
}
}
}
}
}
}
}
}
}
private async void mohu_Click(object sender, RoutedEventArgs e)
{
string desiredName = DateTime.Now.Ticks + ".jpg";
StorageFolder applicationFolder = ApplicationData.Current.LocalFolder;
StorageFolder folder = await applicationFolder.CreateFolderAsync("Pic", CreationCollisionOption.OpenIfExists);
StorageFile saveFile = await folder.CreateFileAsync(desiredName, CreationCollisionOption.OpenIfExists);
RenderTargetBitmap bitmap = new RenderTargetBitmap();
await bitmap.RenderAsync(Img);
var pixelBuffer = await bitmap.GetPixelsAsync();
using (var fileStream = await saveFile.OpenAsync(FileAccessMode.ReadWrite))
{
var encoder = await BitmapEncoder.CreateAsync(BitmapEncoder.PngEncoderId, fileStream);
encoder.SetPixelData(BitmapPixelFormat.Bgra8,
BitmapAlphaMode.Ignore,
(uint)bitmap.PixelWidth,
(uint)bitmap.PixelHeight,
DisplayInformation.GetForCurrentView().LogicalDpi,
DisplayInformation.GetForCurrentView().LogicalDpi,
pixelBuffer.ToArray());
await encoder.FlushAsync();
}
if (saveFile == null)
{
// The user cancelled the picking operation
return;
}
SoftwareBitmap inputBitmap;
using (IRandomAccessStream stream = await saveFile.OpenAsync(FileAccessMode.Read))
{
// Create the decoder from the stream
BitmapDecoder decoder = await BitmapDecoder.CreateAsync(stream);
// Get the SoftwareBitmap representation of the file
inputBitmap = await decoder.GetSoftwareBitmapAsync();
}
if (inputBitmap.BitmapPixelFormat != BitmapPixelFormat.Bgra8 ||
inputBitmap.BitmapAlphaMode != BitmapAlphaMode.Premultiplied)
{
inputBitmap = SoftwareBitmap.Convert(inputBitmap, BitmapPixelFormat.Bgra8, BitmapAlphaMode.Premultiplied);
}
SoftwareBitmap outputBitmap = new SoftwareBitmap(inputBitmap.BitmapPixelFormat, inputBitmap.PixelWidth, inputBitmap.PixelHeight, BitmapAlphaMode.Premultiplied);
var helper = new OpenCVBridge.OpenCVHelper();
helper.Blur(inputBitmap, outputBitmap);
var bitmapSource = new SoftwareBitmapSource();
await bitmapSource.SetBitmapAsync(outputBitmap);
Img.Source = bitmapSource;
}
// 选取图片
private async Task PickFile()
{
var picker = new Windows.Storage.Pickers.FileOpenPicker
{
ViewMode = Windows.Storage.Pickers.PickerViewMode.Thumbnail,
SuggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.PicturesLibrary
}; //新建文件选取器
picker.FileTypeFilter.Add(".jpg");
picker.FileTypeFilter.Add(".jpeg"); //联合图像专家组（JPEG）
picker.FileTypeFilter.Add(".png"); //便携式网络图形（PNG）
picker.FileTypeFilter.Add(".gif"); //图形交换格式（GIF）
picker.FileTypeFilter.Add(".tiff"); //标记图像文件格式（TIFF）
picker.FileTypeFilter.Add(".bmp"); //位图（BMP）
picker.FileTypeFilter.Add(".ico"); //图标（ICO）
// Windows.Storage.StorageFile file = await picker.PickSingleFileAsync();
StorageFile file = await picker.PickSingleFileAsync();
if (file != null)
{
// IRandomAccessStream stream = await file.OpenReadAsync();
// <BitmapImage有关文档：https://docs.microsoft.com/en-us/uwp/api/windows.ui.xaml.media.imaging.bitmapimage>
// BitmapImage bitmap = new BitmapImage(); //新建Bitmap图像
// await bitmap.SetSourceAsync(stream);
// originImage.Source = bitmap;
// Application now has read/write access to the picked file
SoftwareBitmap inputBitmap;
using (IRandomAccessStream stream = await file.OpenAsync(FileAccessMode.Read))
{
// Create the decoder from the stream
BitmapDecoder decoder = await BitmapDecoder.CreateAsync(stream);
// Get the SoftwareBitmap representation of the file
inputBitmap = await decoder.GetSoftwareBitmapAsync();
}
if (inputBitmap.BitmapPixelFormat != BitmapPixelFormat.Bgra8 ||
inputBitmap.BitmapAlphaMode != BitmapAlphaMode.Premultiplied)
{
inputBitmap = SoftwareBitmap.Convert(inputBitmap, BitmapPixelFormat.Bgra8, BitmapAlphaMode.Premultiplied);
}
SoftwareBitmap outputBitmap = new SoftwareBitmap(inputBitmap.BitmapPixelFormat, inputBitmap.PixelWidth, inputBitmap.PixelHeight, BitmapAlphaMode.Premultiplied);
var helper = new OpenCVBridge.OpenCVHelper();
helper.Blur(inputBitmap, outputBitmap);
var bitmapSource = new SoftwareBitmapSource();
await bitmapSource.SetBitmapAsync(outputBitmap);
originImage.Source = bitmapSource;
this.textBlock.Text = "Picked photo: " + file.Name;
}
else
{
this.textBlock.Text = "Operation cancelled.";
}
}