public override ExecutionResult Run(IStepExecutionContext context)
{
Guard.Against.Null(Activity, nameof(Activity));
// Identify minimum horizontal offset im source images
var minOffset = Activity.Registrations.Select(p => p.OffsetX).Min();
TargetImage = NewTargetImage(minOffset);
_logger.LogInformation("Output image size: {width} x {height} px", TargetImage.Width, TargetImage.Height);
// Composite all images. Images will have their horizontal offsets pre-calculated and overlaps
// blended, so compositing just involves combining them in the correct stacking order.
TargetImage.Mutate(imageContext =>
{
// Render all images in correct stacking order
foreach (var registration in Activity.Registrations.OrderByDescending(p => p.OffsetX))
{
using (registration)
{
var projectionImage = registration.Image;
// Identify horizontal offset of each image
var location = new Point(registration.OffsetX - minOffset, 0);
imageContext.DrawImage(projectionImage, location, PixelColorBlendingMode.Normal, 1.0f);
}
}
});
return(ExecutionResult.Next());
}
public override ExecutionResult Run(IStepExecutionContext context)
{
Guard.Against.Null(TargetImage, nameof(TargetImage));
Guard.Against.Null(Activity, nameof(Activity));
// Crop if required
var equirectangularOptions = _options.EquirectangularRender !;
if (!equirectangularOptions.NoCrop && CropBounds != null)
{
_logger.LogDebug("Crop bounds: {Bounds}", CropBounds);
TargetImage.Mutate(ctx => ctx.Crop(CropBounds.Value));
}
return(ExecutionResult.Next());
}