public LayerManager(IGraphicsSurface surfaceInfo, Action<GraphicsProfiler> graphicsUpdateCallback)
: base(surfaceInfo, graphicsUpdateCallback)
{
modifiers = new GenericModifier(this, this);
activeLayers = new SortedContainer<Layer>();
InsertionPolicy = InsertionPolicy.BringToFront;
}
/// <summary>
/// Creates a new <see cref="ScrollingHitObjectContainer"/>.
/// </summary>
/// <param name="scrollingAxes">The axes upon which hit objects should appear to scroll inside this container.</param>
public ScrollingHitObjectContainer(Axes scrollingAxes)
{
this.scrollingAxes = scrollingAxes;
AddInternal(speedAdjustments = new SortedContainer {
RelativeSizeAxes = Axes.Both
});
// Default speed adjustment
AddSpeedAdjustment(defaultSpeedAdjustment = new SpeedAdjustmentContainer(new MultiplierControlPoint(0)));
}
public void Dispose()
{
objectCollection = null;
rasterizer = null;
}
public CompositionStage(SortedContainer<Layer> objectCollection, RasterizerStage rasterizer)
{
this.objectCollection = objectCollection;
this.rasterizer = rasterizer;
}
public void UpdateFrame(SortedContainer<Layer> objectCollection,
IRenderingPolicy renderPolicy)
{
// Clip the invalidated region to the size of the frame
renderPolicy.ClipToFrame(frame.Size);
// Refreh the invalidated frame/region
profiler.ProfileClearFrame(() =>
{
Color clearColor = Color.FromArgb(255, surfaceInfo.GraphicsBackground);
using (SolidBrush clearBrush = new SolidBrush(clearColor))
{
/*var localPolicy = renderPolicy as MinimalUpdate;
if (localPolicy != null && localPolicy.OldRegion != default(Rectangle))
{
_frameGraphics.FillRectangle(clearBrush, localPolicy.OldRegion);
}*/
frameGraphics.FillRectangle(clearBrush, renderPolicy.DirtyRegion);
}
});
profiler.ProfileRasterizeObjects(() =>
{
using (var frameInfo = new BitmapHelper(frame)) // lock framebuffer data
using (var rasterizer = new RasterizerStage(objectCollection, surfaceInfo)) // rasterize all scene objects
using (var compositor = new CompositionStage(objectCollection, rasterizer))
{
// perform scene composition on needed regions
compositor.Composite(renderPolicy, frameInfo);
}
});
// Draw the new completed frame/region on the visible area
profiler.ProfileDrawFrame(() =>
{
RefreshFrame(renderPolicy);
});
// Notify interested clients with statistics after frame update
if (graphicsUpdateCallback != null) graphicsUpdateCallback.BeginInvoke(profiler, null, null);
}
