public void Render(IDrawingContextImpl context)
{
var finalRenderSurface = context.CreateLayer(_destRect.Size);
if (finalRenderSurface is null)
{
context.Clear(Colors.Aqua);
return;
}
using (var renderSurfaceCtx = finalRenderSurface.CreateDrawingContext(null))
{
using (_lottieCanvas.CreateSession(_destRect.Size, finalRenderSurface,
new DrawingContext(renderSurfaceCtx)))
{
_compositionLayer.Draw(_lottieCanvas, _matrix, 255);
}
}
context.DrawBitmap(RefCountable.Create(finalRenderSurface),
1,
new Rect(new Point(), finalRenderSurface.PixelSize.ToSize(1)), _destRect);
finalRenderSurface.Dispose();
}
public void RecreateBitmap(IDrawingContextImpl drawingContext, Size size, double scaling)
{
if (Size != size || Scaling != scaling)
{
var resized = RefCountable.Create(drawingContext.CreateLayer(size));
using (var context = resized.Item.CreateDrawingContext(null))
{
Bitmap.Dispose();
context.Clear(default);
public RenderLayer(
IDrawingContextImpl drawingContext,
Size size,
double scaling,
IVisual layerRoot)
{
Bitmap = RefCountable.Create(drawingContext.CreateLayer(size));
Size = size;
Scaling = scaling;
LayerRoot = layerRoot;
IsEmpty = true;
}
public RenderLayer(
IDrawingContextImpl drawingContext,
Size size,
double scaling,
IVisual layerRoot)
{
_drawingContext = drawingContext;
Bitmap = drawingContext.CreateLayer(size);
Size = size;
Scaling = scaling;
LayerRoot = layerRoot;
}
public void ResizeBitmap(Size size, double scaling)
{
if (Size != size || Scaling != scaling)
{
var resized = RefCountable.Create(_drawingContext.CreateLayer(size));
using (var context = resized.Item.CreateDrawingContext(null))
{
context.Clear(Colors.Transparent);
context.DrawImage(Bitmap, 1, new Rect(Size), new Rect(Size));
Bitmap.Dispose();
Bitmap = resized;
Size = size;
}
}
}
private IRef <IRenderTargetBitmapImpl> GetOverlay(
IDrawingContextImpl parentContext,
Size size,
double scaling)
{
var pixelSize = size * scaling;
if (_overlay == null ||
_overlay.Item.PixelWidth != pixelSize.Width ||
_overlay.Item.PixelHeight != pixelSize.Height)
{
_overlay?.Dispose();
_overlay = RefCountable.Create(parentContext.CreateLayer(size));
}
return(_overlay);
}
public void RecreateBitmap(IDrawingContextImpl drawingContext, Size size, double scaling)
{
if (Size != size || Scaling != scaling)
{
var resized = RefCountable.Create(drawingContext.CreateLayer(size));
using (var context = resized.Item.CreateDrawingContext(null))
{
context.Clear(Colors.Transparent);
Bitmap.Dispose();
Bitmap = resized;
Scaling = scaling;
Size = size;
IsEmpty = true;
}
}
}
