public static ImageSource GetLottieFrame(string path, int frame, int width, int height, bool webp = true)
{
// Frame size affects disk cache, so we always use 256.
var frameSize = new Windows.Graphics.SizeInt32 {
Width = 256, Height = 256
};
var animation = LottieAnimation.LoadFromFile(path, frameSize, false, null);
if (animation == null)
{
if (webp)
{
return(GetWebPFrame(path, width));
}
return(null);
}
var bitmap = new WriteableBitmap(width, height);
animation.RenderSync(bitmap, frame);
animation.Dispose();
return(bitmap);
}
private static async Task <ImageSource> GetLottieFrame(string path, int frame, int width, int height)
{
var dpi = WindowContext.Current.RasterizationScale;
width = (int)(width * dpi);
height = (int)(height * dpi);
var cache = $"{path}.{width}x{height}.png";
if (System.IO.File.Exists(cache))
{
return(new BitmapImage(UriEx.ToLocal(cache)));
}
await Task.Run(() =>
{
var frameSize = new Windows.Graphics.SizeInt32 {
Width = width, Height = height
};
var animation = LottieAnimation.LoadFromFile(path, frameSize, false, null);
if (animation != null)
{
animation.RenderSync(cache, frame);
animation.Dispose();
}
});
return(new BitmapImage(UriEx.ToLocal(cache)));
}
private void InitWindow()
{
IntPtr hWnd = WinRT.Interop.WindowNative.GetWindowHandle(this);
WindowId windowId = Win32Interop.GetWindowIdFromWindow(hWnd);
AppWindow appWindow = AppWindow.GetFromWindowId(windowId);
var size = new Windows.Graphics.SizeInt32();
size.Width = 1280;
size.Height = 960;
appWindow.Resize(size);
appWindow.SetIcon("icon.ico");
this.Title = "LR(1)语义分析过程表";
}
private void InitWindow()
{
IntPtr hWnd = WinRT.Interop.WindowNative.GetWindowHandle(this);
WindowId windowId = Win32Interop.GetWindowIdFromWindow(hWnd);
AppWindow appWindow = AppWindow.GetFromWindowId(windowId);
var size = new Windows.Graphics.SizeInt32();
size.Width = 710;
size.Height = 850;
appWindow.Resize(size);
appWindow.SetIcon("icon.ico");
this.Title = "C--文法产生式";
this.Closed += (o, e) =>
{
MainWebView.Close();
};
LoadedWebview();
}
public MainWindow()
{
this.InitializeComponent();
IntPtr hWnd = WinRT.Interop.WindowNative.GetWindowHandle(this);
WindowId windowId = Win32Interop.GetWindowIdFromWindow(hWnd);
AppWindow appWindow = AppWindow.GetFromWindowId(windowId);
var size = new Windows.Graphics.SizeInt32();
size.Width = 1280;
size.Height = 960;
appWindow.Resize(size);
appWindow.SetIcon("icon.ico");
this.Title = "C--编译器";
Lexcial.IsEnabled = false;
Syntactic.IsEnabled = false;
Semantic.IsEnabled = false;
Mips.IsEnabled = false;
LoadedWebview();
this.Closed += (o, e) =>
{
MainWebView.Close();
};
}
