slidmon.cpp

miXo is a buzz machine (www.buzzmachines.com) - a plugin for the freely available jeskola buzz track

// SlidMon.cpp: implementation of the CSlidMon class.
//
//////////////////////////////////////////////////////////////////////
#include <assert.h>
#include <math.h>
#include "stdafx.h"
#include "mixer.h"
#include "SlidMon.h"
#include "ColGen.h"
#include "Col.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////


CSlidMon::~CSlidMon()
{

}
bool CSlidMon::SetSmValue(float f)
{
	if(fabs(m_fSmVal-f) > 0.001) 
	{
		m_fSmVal=f;
		m_bUpdate=true;
		return true;
	}
	return false;
}
bool CSlidMon::DoUpdate()
{
	if(m_bUpdate) {
		::InvalidateRect(GetWndHandle(),NULL,m_bClearBack?TRUE:FALSE);	//TRUE
		m_bUpdate=false;
		return true;
	}
	return false;
}

bool CSlidMon::OnWMPaint(HDC para_dc) 
{	
	assert(m_pcColGen);
	RECT r;
//	if((::GetUpdateRect(GetWndHandle(),&r,FALSE) == FALSE) && !m_bUpdate)	//TRUE
//		return false;
	m_bUpdate=false;
	if(::GetUpdateRect(GetWndHandle(),&r,FALSE) == 0) 
		return false;
	::GetClientRect(GetWndHandle(),&r);
//	CWinrr=GetClientRect();
	PAINTSTRUCT pntstrc;
	::BeginPaint(GetWndHandle(),&pntstrc);
	int iOrigHt=r.bottom;
	int iNewHt=float(r.bottom)*m_fSmVal;
	if(iNewHt > iOrigHt)
		iNewHt=iOrigHt;
	COLORREF uCol;
//	int iPenWd=r.right/4;
	uCol=m_pcColGen->GetMon();
	{	//this is needed to destroy Pens and Brushes in time
		CCol cCol(pntstrc.hdc);
		m_bDrawing=true;
		cCol.ChangeBrush(uCol);
		cCol.ChangePen(PS_SOLID,0,uCol);
		Rectangle(pntstrc.hdc,r.left,r.bottom-iNewHt,r.right,r.bottom);
//		Rectangle(pntstrc.hdc,GetClientRect().X(),GetClientRect().Y()-iNewHt,
//			GetClientRect().X1(),GetClientRect().Y1());
//		cCol.ChangePen(pntstrc.hdc,PS_SOLID,0l,false);
//		cCol.ChangeBrush(pntstrc.hdc,0l,false);
		m_bDrawing=false;
	}
	::EndPaint(GetWndHandle(),&pntstrc);
	return true;
}
void CSlidMon::DeInit()
{
	while(m_bDrawing) {
	}
	m_bUpdate=false;
	CAbWin::DeInit();
}