Provides a bitmap (CPU) render surface adapter for Avalonia that presents each frame by copying pixel data from a SKImage into an WriteableBitmap displayed by AvaloniaBitmapRenderSurfaceControl. This approach works on all Avalonia targets (desktop, WebAssembly, Android, iOS, macOS) without requiring platform-specific SkiaSharp view packages. More...

Inheritance diagram for Gondwana.Avalonia.Rendering.AvaloniaBitmapRenderSurfaceAdapter:

Public Member Functions
	AvaloniaBitmapRenderSurfaceAdapter (AvaloniaBitmapRenderSurfaceControl control)
	Initializes a new instance of the AvaloniaBitmapRenderSurfaceAdapter class.
void	RefreshDestinationSize ()
	Refreshes the destination size to match the control's current bounds.
override void	Present (SKImage bufferImage, SKRectI bufferRect, SKRect destRect)
	Presents the specified buffer image to the render surface by copying pixels into an Avalonia WriteableBitmap and scheduling a repaint on the UI thread.
void	Dispose ()
	Releases all resources used by the AvaloniaBitmapRenderSurfaceAdapter.
Public Member Functions inherited from Gondwana.Rendering.RenderSurfaceAdapterBase
Point	AdapterPxToScreenPx (PointF adapterPx)
	Converts adapter input to logical ScreenPx, retaining outside coordinates for capture/leave.
void	DrawImage (SKCanvas canvas, SKImage image, SKColor clearColor)
	Presents a complete image using the same transform as pointer normalization.
void	Present (SKImage bufferImage, SKRectI bufferRect, SKRect destRect)
	Presents the specified portion of the Backbuffer image to the destination rectangle on the RenderSurfaceAdapter.

Additional Inherited Members
Protected Member Functions inherited from Gondwana.Rendering.RenderSurfaceAdapterBase
	RenderSurfaceAdapterBase (int destWidth, int destHeight)
	Initializes a new instance of the RenderSurfaceAdapterBase class with the specified dimensions.
	RenderSurfaceAdapterBase (int destWidth, int destHeight, bool initialSizeAvailable)
	Constructs an adapter whose initial layout may still be pending.
void	SetDestinationSize (int destWidth, int destHeight)
	Sets the destination size of the render surface and raises the Resized event if the dimensions have changed.
Properties inherited from Gondwana.Rendering.RenderSurfaceAdapterBase
PresentationTransform	Presentation `[get]`
	Current immutable aspect-preserving mapping of Backbuffer ScreenPx to adapter pixels.
float	PresentationScale `[get]`
	Current derived presentation scale; adapter resize does not resize the Backbuffer.
int	Width `[get, protected set]`
	Gets the current width of the render surface in pixels.
int	Height `[get, protected set]`
	Gets the current height of the render surface in pixels.
Events inherited from Gondwana.Rendering.RenderSurfaceAdapterBase
Action< RenderSurfaceAdapterResizedEventArgs >?	Resized
	Occurs when the render surface adapter is resized.

Detailed Description

Provides a bitmap (CPU) render surface adapter for Avalonia that presents each frame by copying pixel data from a SKImage into an WriteableBitmap displayed by AvaloniaBitmapRenderSurfaceControl. This approach works on all Avalonia targets (desktop, WebAssembly, Android, iOS, macOS) without requiring platform-specific SkiaSharp view packages.

Definition at line 17 of file AvaloniaBitmapRenderSurfaceAdapter.cs.

Constructor & Destructor Documentation

◆ AvaloniaBitmapRenderSurfaceAdapter()

Gondwana.Avalonia.Rendering.AvaloniaBitmapRenderSurfaceAdapter.AvaloniaBitmapRenderSurfaceAdapter ( AvaloniaBitmapRenderSurfaceControl control )

Initializes a new instance of the AvaloniaBitmapRenderSurfaceAdapter class.

Parameters

control The AvaloniaBitmapRenderSurfaceControl to target.

Exceptions

ArgumentNullException Thrown when control is null.

Definition at line 40 of file AvaloniaBitmapRenderSurfaceAdapter.cs.

Member Function Documentation

◆ Dispose()

void Gondwana.Avalonia.Rendering.AvaloniaBitmapRenderSurfaceAdapter.Dispose ( )

Releases all resources used by the AvaloniaBitmapRenderSurfaceAdapter.

Definition at line 207 of file AvaloniaBitmapRenderSurfaceAdapter.cs.

◆ Present()

override void Gondwana.Avalonia.Rendering.AvaloniaBitmapRenderSurfaceAdapter.Present	(	SKImage	bufferImage,
		SKRectI	bufferRect,
		SKRect	destRect )

Presents the specified buffer image to the render surface by copying pixels into an Avalonia WriteableBitmap and scheduling a repaint on the UI thread.

Parameters

bufferImage	The image to present.
bufferRect	The source rectangle within the buffer image.
destRect	The destination rectangle on the render surface.

Definition at line 71 of file AvaloniaBitmapRenderSurfaceAdapter.cs.

◆ RefreshDestinationSize()

void Gondwana.Avalonia.Rendering.AvaloniaBitmapRenderSurfaceAdapter.RefreshDestinationSize ( )

Refreshes the destination size to match the control's current bounds.

Definition at line 55 of file AvaloniaBitmapRenderSurfaceAdapter.cs.

Public Member Functions