本文整理汇总了C#中Windows.UI.Xaml.Media.Imaging.WriteableBitmap.SaveAsync方法的典型用法代码示例。如果您正苦于以下问题：C# WriteableBitmap.SaveAsync方法的具体用法？C# WriteableBitmap.SaveAsync怎么用？C# WriteableBitmap.SaveAsync使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Windows.UI.Xaml.Media.Imaging.WriteableBitmap的用法示例。
在下文中一共展示了WriteableBitmap.SaveAsync方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: CropImage
private async void CropImage(bool wide = false)
{
IsCropEnabled = false;
try
{
var img = wide ? _previewImageWide : _previewImageNormal;
WriteableBitmap resizedBitmap = new WriteableBitmap(CropWidth, CropHeight);
//if (img.UriSource == null)
//await resizedBitmap.LoadAsync(_originaPickedStorageFile);
/*else*/
if (!img.UriSource.ToString().Contains("ms-appdata"))
{
var imgFile = await SaveImage(img, wide);
await resizedBitmap.LoadAsync(imgFile);
}
else
await resizedBitmap.LoadAsync(await StorageFile.GetFileFromApplicationUriAsync(img.UriSource));
if (wide)
resizedBitmap = resizedBitmap.Crop(CropLeftWide, CropTopWide, CropWidthWide + CropLeftWide, CropTopWide + CropHeightWide);
else
resizedBitmap = resizedBitmap.Crop(CropLeft, CropTop, CropWidth + CropLeft, CropTop + CropHeight);
var file = await ApplicationData.Current.TemporaryFolder.CreateFileAsync($"_cropTemp{(wide ? "Wide" : "")}.png", CreationCollisionOption.GenerateUniqueName);
if (wide)
_lastCroppedFileNameWide = file.Name;
else
_lastCroppedFileName = file.Name;
await resizedBitmap.SaveAsync(file, BitmapEncoder.PngEncoderId);
if (wide)
{
PreviewImageWide = new BitmapImage(new Uri($"ms-appdata:///temp/{file.Name}"));
}
else
{
PreviewImageNormal = new BitmapImage(new Uri($"ms-appdata:///temp/{file.Name}"));
UndoCropVisibility = Visibility.Visible;
}
}
catch (Exception)
{
UWPUtilities.GiveStatusBarFeedback("An error occured...");
}
IsCropEnabled = true;
}