#include <mixer/MixerScope.hpp>
#include <sample/puresmpl.hpp>
#include <common/array.hpp>
#include <common/purehdc.hpp>

MixerScope::MixerScope(GUIWindow &parentWnd,UINT controlID,UINT extraStyles,const Rect &initRect,const Font &bannerFont)
: Graphic(parentWnd,"SCOPE",controlID,extraStyles,initRect,bannerFont)
{
}

MixerScope::~MixerScope()
{
}

bool MixerScope::setData(WaveForm &waveForm)
{
  mWaveForm=waveForm;
  FormatChunk &formatChunk=mWaveForm.getFormatChunk();
  String strCaption=String("Ch:")+String().fromInt(formatChunk.channels())+String(" Bps:")+String().fromInt(formatChunk.bitsPerSample())+String(" Sps:")+String().fromInt(formatChunk.samplesPerSecond());
	setCaption(strCaption);
	invalidate(true);
	return true;
}

// **************************************************************************************************
// virtuals 

void MixerScope::postPaint(PureDevice &pureDevice)
{
  int penWidth=2;
  PureSampleEx &pureSampleEx=mWaveForm.getPureSample();
	Pen pen(RGBColor(0,128,0));
	Pen outlinePen(RGBColor(255,255,255),Pen::PSolid,penWidth);
	int max=0;
	float factor;
	int x=0;

  SampleData sample;
	for(int index=0;index<pureSampleEx.getNumSamples();index++)
	{
	  pureSampleEx.getAt(index,sample);
		if(sample.b16>max)max=sample.b16;
	}
	factor=(float)height()/(float)max;
 	for(index=0;index<pureSampleEx.getNumSamples();index++)
	{
	  pureSampleEx.getAt(index,sample);
		Point p1(x,height());
		Point p2(x,height()-(sample.b16*factor));
		pureDevice.line(p1,p2,pen);
		x++;
	}
	pureDevice.outlineRect(Rect(0,0,width(),height()),outlinePen);
}