// Fill out your copyright notice in the Description page of Project Settings.


#include "SSamplePatternThumbnail.h"

#include "Async.h"
#include "SlateApplication.h"
#include "SlateOptMacros.h"
#include "ExecutionTime.h"
#include "Pattern/SamplePatternInstance.h"
#include "PluginHost/Sampler.h"
#include "UI/Widget/SUpdatableImage.h"
#include "UI/Widget/Thumbnail.h"

BEGIN_SLATE_FUNCTION_BUILD_OPTIMIZATION

TArray<float> FSampleWaveformHandle::GetWaveform(int32 SizeX) const
{
	
	const FSampler* Sampler = SampleInstance->GetInstanceOwner()->GetSampler();
	TArray<TArray64<float>> Copy = Sampler->GetSampleBuffer(); // 拷贝以防在渲染时被修改
	uint32 Count = Sampler->GetFrameCount();
	TRange<uint32> Range = SampleInstance->GetRange();
	return Thumbnail::GenerateWaveformData(SizeX, Copy, Count, Range);
}

void SSamplePatternThumbnail::Construct(const FArguments& InArgs, FSampler* InSampler)
{
	ChildSlot
	[
		
	];
}

void SSamplePatternThumbnail::Redraw()
{
}

END_SLATE_FUNCTION_BUILD_OPTIMIZATION