public IRenderResult Render(IRenderSpecification specification, IDrawingContext context, CancellationToken cancellationToken)
{
var shadingSpecification = (ShadingOnlyRenderSpecification)specification;
var fractalPart = shadingSpecification.CalculatedFractalPart;
using (var fastBitmap = this.renderer.CreateBitmap(fractalPart, specification.Settings, specification.Shader))
{
var scalableFractalPart = fractalPart as ScalableFractalPart;
if (scalableFractalPart != null && !scalableFractalPart.ScaledScreenPosition.Equals(scalableFractalPart.ScreenPosition))
{
var targetRect = new Rectangle(
scalableFractalPart.ScaledScreenPosition.Left,
scalableFractalPart.ScaledScreenPosition.Top,
scalableFractalPart.ScaledScreenPosition.Right - scalableFractalPart.ScaledScreenPosition.Left + 1,
scalableFractalPart.ScaledScreenPosition.Bottom - scalableFractalPart.ScaledScreenPosition.Top + 1);
context.DrawBitmap(fastBitmap.Bitmap, targetRect);
}
else
{
var targetPoint = new Point(fractalPart.ScreenPosition.Left, fractalPart.ScreenPosition.Top);
context.DrawBitmapUnscaled(fastBitmap.Bitmap, targetPoint);
}
}
return(new RenderResult(shadingSpecification.CalculatedFractalPart));
}
protected IRenderResult Render(IJob job, IRenderSpecification specification, IDrawingContext context, CancellationToken cancellationToken)
{
IRenderer renderer;
if (this.rendererRegistry.TryGetMatchingRenderer(specification, out renderer))
{
return(renderer.Render(specification, context, cancellationToken));
}
throw new InvalidOperationException("No renderer found for type " + specification.GetType());
}
public bool TryGetMatchingRenderer(IRenderSpecification specification, out IRenderer renderer)
{
foreach (var knownRenderer in this.renderers)
{
if (knownRenderer.CanRender(specification))
{
renderer = knownRenderer;
return(true);
}
}
renderer = null;
return(false);
}
public IRenderResult Render(IRenderSpecification specification, IDrawingContext context, CancellationToken cancellationToken)
{
var renderSpec = (CalculatingRenderSpecification)specification;
var calculator = this.calculatorRegistry.GetAll().First(c => c.CanCalculatePart(renderSpec.CalculationSpecification));
// first we calculate the fractal part
var calculatedPart = calculator.CalculatePart(renderSpec.CalculationSpecification, specification.Settings, cancellationToken);
// then we defer shading and further rendering to a different renderer
var shadingSpec = this.renderSpecificationFactory.CreateFromCalculatedPart(calculatedPart, specification.Settings, specification.Shader);
IRenderer shadingRenderer;
if (!this.rendererRegistry.TryGetMatchingRenderer(shadingSpec, out shadingRenderer))
{
throw new InvalidOperationException("No shading renderer found.");
}
return(shadingRenderer.Render(shadingSpec, context, cancellationToken));
}
public bool CanRender(IRenderSpecification specification)
{
return(specification is CalculatingRenderSpecification);
}
public bool CanRender(IRenderSpecification specification)
{
return(specification is ShadingOnlyRenderSpecification);
}
