100 lines
3.3 KiB
C#
100 lines
3.3 KiB
C#
using System;
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using System.Diagnostics.CodeAnalysis;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Media.Imaging;
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using Jellyfish.Library;
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namespace Jellyfish.Virtu.Services
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{
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public sealed class SilverlightVideoService : VideoService
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{
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public SilverlightVideoService(Machine machine, UserControl page, Image image) :
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base(machine)
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{
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if (page == null)
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{
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throw new ArgumentNullException("page");
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}
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if (image == null)
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{
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throw new ArgumentNullException("image");
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}
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_page = page;
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_image = image;
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_image.Source = _bitmap;
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_page.LayoutUpdated += (sender, e) => SetWindowSizeToContent();
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_page.SizeChanged += (sender, e) => SetImageSize();
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}
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public override void SetFullScreen(bool isFullScreen)
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{
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_page.Dispatcher.Send(() =>
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{
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var application = Application.Current;
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if (application.IsRunningOutOfBrowser)
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{
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var content = application.Host.Content;
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if (content.IsFullScreen != isFullScreen)
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{
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content.IsFullScreen = isFullScreen;
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}
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}
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});
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}
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[SuppressMessage("Microsoft.Usage", "CA2233:OperationsShouldNotOverflow")]
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public override void SetPixel(int x, int y, uint color)
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{
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_pixels[y * BitmapWidth + x] = (int)color;
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_pixelsDirty = true;
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}
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public override void Update() // main thread
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{
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if (_pixelsDirty)
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{
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_pixelsDirty = false;
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for (int i = 0; i < BitmapWidth * BitmapHeight; i++)
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{
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_bitmap.Pixels[i] = _pixels[i];
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}
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_bitmap.Invalidate();
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}
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}
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private void SetImageSize(bool swapOrientation = false)
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{
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int uniformScale = Math.Max(1, swapOrientation ? Math.Min((int)_page.RenderSize.Height / BitmapWidth, (int)_page.RenderSize.Width / BitmapHeight) :
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Math.Min((int)_page.RenderSize.Width / BitmapWidth, (int)_page.RenderSize.Height / BitmapHeight));
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_image.Width = uniformScale * BitmapWidth;
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_image.Height = uniformScale * BitmapHeight;
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}
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private void SetWindowSizeToContent()
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{
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var application = Application.Current;
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if (application.IsRunningOutOfBrowser && !_sizedToContent)
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{
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_sizedToContent = true;
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var window = application.MainWindow;
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var size = application.RootVisual.DesiredSize;
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window.Width = size.Width;
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window.Height = size.Height;
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}
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}
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private const int BitmapWidth = 560;
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private const int BitmapHeight = 384;
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private UserControl _page;
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private Image _image;
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private WriteableBitmap _bitmap = new WriteableBitmap(BitmapWidth, BitmapHeight);
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private int[] _pixels = new int[BitmapWidth * BitmapHeight];
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private bool _pixelsDirty;
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private bool _sizedToContent;
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}
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}
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