private static ArrayRange <RenderTreeFrame> GetRenderTree(IComponent component)
{
var treeBuilder = new RenderTreeBuilder(new TestRenderer());
component.BuildRenderTree(treeBuilder);
return(treeBuilder.GetFrames());
}
/// <summary>
/// Regenerates the <see cref="RenderTree"/> and adds the changes to the
/// <paramref name="batchBuilder"/>.
/// </summary>
public void Render(Renderer renderer, RenderBatchBuilder batchBuilder)
{
if (_component is IHandlePropertiesChanged notifyableComponent)
{
notifyableComponent.OnPropertiesChanged();
}
// Swap the old and new tree builders
(_renderTreeBuilderCurrent, _renderTreeBuilderPrevious) = (_renderTreeBuilderPrevious, _renderTreeBuilderCurrent);
_renderTreeBuilderCurrent.Clear();
_component.BuildRenderTree(_renderTreeBuilderCurrent);
var diff = RenderTreeDiffBuilder.ComputeDiff(
_renderer,
batchBuilder,
_componentId,
_renderTreeBuilderPrevious.GetFrames(),
_renderTreeBuilderCurrent.GetFrames());
batchBuilder.UpdatedComponentDiffs.Append(diff);
// Process disposal queue now in case it causes further component renders to be enqueued
while (batchBuilder.ComponentDisposalQueue.Count > 0)
{
var disposeComponentId = batchBuilder.ComponentDisposalQueue.Dequeue();
renderer.DisposeInExistingBatch(batchBuilder, disposeComponentId);
}
}
/// <summary>
/// Regenerates the <see cref="RenderTree"/> and adds the changes to the
/// <paramref name="batchBuilder"/>.
/// </summary>
public void Render(RenderBatchBuilder batchBuilder)
{
// Swap the old and new tree builders
(_renderTreeBuilderCurrent, _renderTreeBuilderPrevious) = (_renderTreeBuilderPrevious, _renderTreeBuilderCurrent);
_renderTreeBuilderCurrent.Clear();
_component.BuildRenderTree(_renderTreeBuilderCurrent);
_diffComputer.ApplyNewRenderTreeVersion(
batchBuilder,
_componentId,
_renderTreeBuilderPrevious.GetFrames(),
_renderTreeBuilderCurrent.GetFrames());
}
public void RenderIntoBatch(RenderBatchBuilder batchBuilder)
{
if (_component is IHandlePropertiesChanged notifyableComponent)
{
notifyableComponent.OnPropertiesChanged();
}
// Swap the old and new tree builders
(_renderTreeBuilderCurrent, _renderTreeBuilderPrevious) = (_renderTreeBuilderPrevious, _renderTreeBuilderCurrent);
_renderTreeBuilderCurrent.Clear();
_component.BuildRenderTree(_renderTreeBuilderCurrent);
var diff = RenderTreeDiffBuilder.ComputeDiff(
_renderer,
batchBuilder,
_componentId,
_renderTreeBuilderPrevious.GetFrames(),
_renderTreeBuilderCurrent.GetFrames());
batchBuilder.UpdatedComponentDiffs.Append(diff);
}