public void Clear()
{
using (LockWrite())
{
_write?.Dispose();
_write = null;
}
using (LockRead())
{
_read?.Dispose();
_read = null;
}
NotifyUpdated();
}
/// <inheritdoc />
public virtual IFramebufferReference GrabFramebufferReference(Size size, IImmutableSet <Screen> layout)
{
if (_disposed)
{
throw new ObjectDisposedException(nameof(RfbRenderTarget));
}
PixelSize requiredPixelSize = Conversions.GetPixelSize(size);
// Creation of a new buffer necessary?
// No synchronization necessary, because the only conflicting write operation is
// in this same method and the field is marked volatile to avoid caching issues.
// ReSharper disable once InconsistentlySynchronizedField
bool sizeChanged = _bitmap == null || _bitmap.PixelSize != requiredPixelSize;
WriteableBitmap bitmap;
if (sizeChanged)
{
// Create new bitmap with required size and the format that is preferred by the current platform (therefore 'null').
// TODO: Detect DPI dynamically
bitmap = new WriteableBitmap(requiredPixelSize, new Vector(96.0f, 96.0f), null);
// Wait for the rendering being finished before replacing the bitmap
lock (_bitmapReplacementLock)
{
_bitmap?.Dispose();
_bitmap = bitmap;
}
}
else
{
// ReSharper disable once InconsistentlySynchronizedField
bitmap = _bitmap !;
}
// Lock framebuffer and return as converted reference
// ReSharper disable once InconsistentlySynchronizedField
ILockedFramebuffer lockedFramebuffer = bitmap.Lock();
return(new AvaloniaFramebufferReference(lockedFramebuffer, () => Dispatcher.UIThread.Post(() => {
if (sizeChanged)
{
InvalidateMeasure();
}
InvalidateVisual();
})));
}
public void Dispose()
{
_isDisposed = true;
AvaloniaLocator.Current.GetService <IRenderTimer>().Tick -= RenderTick;
this._bgWorker?.SendCommand(BgWorkerCommand.Dispose);
_targetBitmap?.Dispose();
}
public override void Render(DrawingContext context)
{
if (_lastFrame != null && _lastFrame.Width != 0 && _lastFrame.Height != 0)
{
var fmt = (PixelFormat)_lastFrame.Format;
if (_bitmap == null || _bitmap.PixelSize.Width != _lastFrame.Width ||
_bitmap.PixelSize.Height != _lastFrame.Height)
{
_bitmap?.Dispose();
#pragma warning disable CS0618 // Type or member is obsolete
_bitmap = new WriteableBitmap(new PixelSize(_lastFrame.Width, _lastFrame.Height),
new Vector(96, 96), fmt);
#pragma warning restore CS0618 // Type or member is obsolete
}
using (var l = _bitmap.Lock())
{
var lineLen = (fmt == PixelFormat.Rgb565 ? 2 : 4) * _lastFrame.Width;
for (var y = 0; y < _lastFrame.Height; y++)
{
Marshal.Copy(_lastFrame.Data, y * _lastFrame.Stride,
new IntPtr(l.Address.ToInt64() + l.RowBytes * y), lineLen);
}
}
context.DrawImage(_bitmap, new Rect(0, 0, _bitmap.PixelSize.Width, _bitmap.PixelSize.Height),
new Rect(Bounds.Size));
}
base.Render(context);
}
private void UpdateBitmapSize(bool borderBlocks)
{
WriteableBitmap bmp = borderBlocks ? BorderBlocksBitmap : BlocksBitmap;
int bmpWidth = (borderBlocks ? BorderWidth : Width) * Overworld.Block_NumPixelsX;
int bmpHeight = (borderBlocks ? BorderHeight : Height) * Overworld.Block_NumPixelsY;
bool createNew;
if (bmp == null)
{
createNew = true;
}
else
{
PixelSize ps = bmp.PixelSize;
createNew = ps.Width != bmpWidth || ps.Height != bmpHeight;
}
if (createNew)
{
bmp?.Dispose();
bmp = new WriteableBitmap(new PixelSize(bmpWidth, bmpHeight), new Vector(96, 96), PixelFormat.Bgra8888);
if (borderBlocks)
{
BorderBlocksBitmap = bmp;
}
else
{
BlocksBitmap = bmp;
}
DrawAll(borderBlocks, true);
}
}
// TODO: This isn't called
public void Dispose()
{
if (!_isDisposed)
{
_isDisposed = true;
_screen.Dispose();
}
}
private void Dispose(bool disposing)
{
if (disposing)
{
GC.SuppressFinalize(this);
}
Bitmap.Dispose();
}
protected override void OnDetachedFromLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnDetachedFromLogicalTree(e);
_unpremulBitmap?.Dispose();
_unpremulBitmap = null;
_premulBitmap?.Dispose();
_unpremulBitmap = null;
}
private bool UpdateBitmapSize()
{
int bmpHeight = GetBitmapHeight();
if (Bitmap == null || Bitmap.PixelSize.Height != bmpHeight)
{
Bitmap?.Dispose();
Bitmap = new WriteableBitmap(new PixelSize(BitmapNumBlocksX * Overworld.Block_NumPixelsX, bmpHeight), new Vector(96, 96), PixelFormat.Bgra8888);
return(true);
}
return(false);
}
private WriteableBitmap GetSurface(PixelBuffer pixelBuffer)
{
if (!Monitor.IsEntered(_syncRoot))
{
throw new InvalidOperationException();
}
WriteableBitmap surface = pixelBuffer.Surface;
if (surface is null || surface.PixelSize != new PixelSize(pixelBuffer.Width, pixelBuffer.Height))
{
surface?.Dispose();
surface = new WriteableBitmap(new PixelSize(pixelBuffer.Width, pixelBuffer.Height), OffscreenGraphics.DpiScale.Dpi, PixelFormat.Bgra8888, AlphaFormat.Premul);
pixelBuffer.Surface = surface;
}
using (ILockedFramebuffer frameBuffer = surface.Lock())
{
Marshal.Copy(pixelBuffer.DIB, 0, frameBuffer.Address, pixelBuffer.Size);
pixelBuffer.ClearDirtyRectangle();
}
return(surface);
}
public void Dispose()
{
Closed?.Invoke();
_lastRenderedFrame?.Dispose();
_lastRenderedFrame = null;
}
public void Dispose()
{
_bitmap.Dispose();
_selection.Changed -= OnSelectionChanged;
ClipboardChanged = null;
}
public void Dispose()
{
_isDisposed = true;
_bgWorker?.SendCommand(BgWorkerCommand.Dispose);
_targetBitmap?.Dispose();
}
public void Dispose()
{
_stream?.Dispose();
_gifDecoder?.Dispose();
_targetBitmap?.Dispose();
}
protected override void OnDetachedFromLogicalTree(LogicalTreeAttachmentEventArgs e)
{
bmp?.Dispose();
bmp = null;
base.OnDetachedFromLogicalTree(e);
}
){kind=link}