Initial

mixer/MixerScope.cpp

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+#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);
+}