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


#include "SSamplePatternThumbnail.h"

#include "SlateApplication.h"
#include "SlateOptMacros.h"
#include "PluginHost/Sampler.h"

BEGIN_SLATE_FUNCTION_BUILD_OPTIMIZATION

TArrayView<const FSamplePeak> FSamplePatternWaveformHandle::GetWaveform(int32 SizeX)
{
	if (!RenderData)
	{
		RenderData = new FWaveform(1, 1024);
		RenderData->UpdatePeak(Sampler->GetSampleBuffer());
	}
	return RenderData->GetPeakFromRange(0, SizeX, 0, Sampler->GetFrameCount());
}

void SSamplePatternThumbnail::Construct(const FArguments& InArgs, FSampler* InSampler)
{
	WaveformHandle = MakeShared<FSamplePatternWaveformHandle>(InSampler);
	ChildSlot
	[
		SAssignNew(WaveformViewer, SWaveformViewer)
		.WaveformHandle(WaveformHandle)
	];
}

void SSamplePatternThumbnail::Redraw()
{
}

END_SLATE_FUNCTION_BUILD_OPTIMIZATION