void CPreview::DrawPreviewBitmap()
{
if(!bContinue) return;
MaxX=width();
MaxY=height();
QPixmap tmpBitmap(MaxX, MaxY);
QPainter DC(&tmpBitmap);
QRect rc=rect();
x1=4;
x2=MaxX-4;
y1=4;
y2=MaxY-4;
xw1=1;
xw2=MaxX;
yw1=0;
yw2=MaxY;
QBrush WhiteBrush(QColor(255,255,255));
QBrush GrayBrush(QColor(192,192,192));
QBrush BlueBrush(QColor(0,0,255));
QPen WhitePen(QColor(255,255,255));
QPen DarkPen(QColor(0,0,0));
QPen BluePen(QColor(0,0,255));
QPen YellowPen(QColor(255,255,0));
QPen WhitePen2(QColor(255,255,255),2);
QPen GrayPen2(QColor(128,128,128),2);
//********************************************************************
DC.setPen(BluePen);
DC.fillRect(rc, BlueBrush);
// DC.SelectObject(CFont::FromHandle((HFONT)GetStockObject(ANSI_VAR_FONT)));
int xl=(int)((pDisplay->t1 - pDisplay->tB1)*(x2-x1)/(pDisplay->tB2-pDisplay->tB1)+x1+0.5);
int xr=(int)((pDisplay->t2 - pDisplay->tB1)*(x2-x1)/(pDisplay->tB2-pDisplay->tB1)+x1+0.5);
DC.setPen(WhitePen2);
DC.moveTo(xw1,MaxY-yw2);
DC.lineTo(xw2,MaxY-yw2);
DC.moveTo(xw1,MaxY-yw2);
DC.lineTo(xw1,MaxY-yw1);
DC.setPen(GrayPen2);
DC.moveTo(xw2,MaxY-yw1);
DC.lineTo(xw2,MaxY-yw2);
DC.moveTo(xw2,MaxY-yw1);
DC.lineTo(xw1,MaxY-yw1);
DrawWaveform(DC);
DC.setPen(WhitePen2);
DC.moveTo(xl,MaxY-y1);
DC.lineTo(xr,MaxY-y1);
DC.lineTo(xr,MaxY-y2);
DC.lineTo(xl,MaxY-y2);
DC.lineTo(xl,MaxY-y1);
//********************************************************************
ScreenBitmapCriticalSection.lock();
Bitmap=tmpBitmap;
bDrawBitmap=TRUE;
ScreenBitmapCriticalSection.unlock();
repaint(FALSE);
}
void CWaveformWnd::OnPaint()
{
CPaintDC dc(this); // device context for painting
DrawWaveform(&dc);
}
