void CChartPointsSerie::Draw(CDC *pDC)
{
if (!m_bIsVisible)
return;
if (!pDC->GetSafeHdc())
return;
CBrush NewBrush(m_SerieColor);
CPen BorderPen(PS_SOLID, 1, m_colBorder);
CBrush ShadowBrush(m_ShadowColor);
CPen ShadowPen(PS_SOLID, 1, m_ShadowColor);
CPen* pOldPen = pDC->SelectObject(&BorderPen);
CBrush* pOldBrush = pDC->SelectObject(&NewBrush);
pDC->SetBkMode(TRANSPARENT);
//To have lines limited in the drawing rectangle :
pDC->IntersectClipRect(m_PlottingRect);
//Draw all points that haven't been drawn yet
for (m_uLastDrawnPoint;m_uLastDrawnPoint<(int)GetPointsCount();m_uLastDrawnPoint++)
{
SChartXYPoint Point = GetPoint(m_uLastDrawnPoint);
CPoint ScreenPoint;
ValueToScreen(Point.X, Point.Y, ScreenPoint);
CRect PointRect;
PointRect.SetRect(ScreenPoint.x-m_iXPointSize/2,ScreenPoint.y-m_iYPointSize/2,ScreenPoint.x+m_iXPointSize/2,ScreenPoint.y+m_iYPointSize/2);
CRect ShadowRect = PointRect + CSize(m_iShadowDepth,m_iShadowDepth);
switch(m_iPointType)
{
case ptEllipse:
if (m_bShadow)
{
pOldPen = pDC->SelectObject(&ShadowPen);
pDC->SelectObject(&ShadowBrush);
pDC->Ellipse(ShadowRect);
pDC->SelectObject(&NewBrush);
pDC->SelectObject(&BorderPen);
}
pDC->Ellipse(PointRect);
break;
case ptRectangle:
if (m_bShadow)
{
pOldPen = pDC->SelectObject(&ShadowPen);
pDC->SelectObject(&ShadowBrush);
pDC->Rectangle(ShadowRect);
pDC->SelectObject(&NewBrush);
pDC->SelectObject(&BorderPen);
}
pDC->Rectangle(PointRect);
break;
case ptTriangle:
{
CPoint TrPoints[3];
TrPoints[0].x = PointRect.left;
TrPoints[0].y = PointRect.bottom;
TrPoints[1].x = PointRect.right;
TrPoints[1].y = PointRect.bottom;
TrPoints[2].x = PointRect.left + (int)fabs((PointRect.left-PointRect.right)/2.0);
TrPoints[2].y = PointRect.top;
if (m_bShadow)
{
CPoint ShadowPoints[3];
for (int i=0;i<3;i++)
{
ShadowPoints[i] = TrPoints[i] + CSize(m_iShadowDepth,m_iShadowDepth);
}
pOldPen = pDC->SelectObject(&ShadowPen);
pDC->SelectObject(&ShadowBrush);
pDC->Polygon(ShadowPoints,3);
pDC->SelectObject(&NewBrush);
pDC->SelectObject(&BorderPen);
}
pDC->Polygon(TrPoints,3);
}
break;
}
}
pDC->SelectClipRgn(NULL);
pDC->SelectObject(pOldPen);
pDC->SelectObject(pOldBrush);
DeleteObject(BorderPen);
DeleteObject(NewBrush);
DeleteObject(ShadowBrush);
DeleteObject(ShadowPen);
}
void CChartPointsSerie::DrawAll(CDC *pDC)
{
if (!m_bIsVisible)
return;
CBrush NewBrush(m_ObjectColor);
CBrush ShadowBrush(m_ShadowColor);
CPen ShadowPen(PS_SOLID,1,m_ShadowColor);
CPen* pOldPen;
CBrush* pOldBrush;
int iFirst=0, iLast=0;
GetVisiblePoints(iFirst,iLast);
if (pDC->GetSafeHdc())
{
pDC->SetBkMode(TRANSPARENT);
//To have lines limited in the drawing rectangle :
pDC->IntersectClipRect(m_ObjectRect);
pOldBrush = pDC->SelectObject(&NewBrush);
for (m_iLastDrawnPoint=iFirst;m_iLastDrawnPoint<=iLast;m_iLastDrawnPoint++)
{
CPoint ScreenPoint;
ValueToScreen(m_vPoints[m_iLastDrawnPoint].X,m_vPoints[m_iLastDrawnPoint].Y,ScreenPoint);
CRect PointRect;
PointRect.SetRect(ScreenPoint.x-m_iXPointSize/2,ScreenPoint.y-m_iYPointSize/2,ScreenPoint.x+m_iXPointSize/2,ScreenPoint.y+m_iYPointSize/2);
CRect ShadowRect = PointRect + CSize(m_iShadowDepth,m_iShadowDepth);
switch(m_iPointType)
{
case ptEllipse:
if (m_bShadow)
{
pOldPen = pDC->SelectObject(&ShadowPen);
pDC->SelectObject(&ShadowBrush);
pDC->Ellipse(ShadowRect);
pDC->SelectObject(&NewBrush);
pDC->SelectObject(pOldPen);
}
pDC->Ellipse(PointRect);
break;
case ptRectangle:
if (m_bShadow)
{
pOldPen = pDC->SelectObject(&ShadowPen);
pDC->SelectObject(&ShadowBrush);
pDC->Rectangle(ShadowRect);
pDC->SelectObject(&NewBrush);
pDC->SelectObject(pOldPen);
}
pDC->Rectangle(PointRect);
break;
case ptTriangle:
{
CPoint TrPoints[3];
TrPoints[0].x = PointRect.left;
TrPoints[0].y = PointRect.bottom;
TrPoints[1].x = PointRect.right;
TrPoints[1].y = PointRect.bottom;
TrPoints[2].x = PointRect.left + (int)fabs((PointRect.left-PointRect.right)/2.0);
TrPoints[2].y = PointRect.top;
if (m_bShadow)
{
CPoint ShadowPoints[3];
for (int i=0;i<3;i++)
{
ShadowPoints[i] = TrPoints[i] + CSize(m_iShadowDepth,m_iShadowDepth);
}
pOldPen = pDC->SelectObject(&ShadowPen);
pDC->SelectObject(&ShadowBrush);
pDC->Polygon(ShadowPoints,3);
pDC->SelectObject(&NewBrush);
pDC->SelectObject(pOldPen);
}
pDC->Polygon(TrPoints,3);
}
break;
}
}
pDC->SelectClipRgn(NULL);
pDC->SelectObject(pOldBrush);
DeleteObject(NewBrush);
}
}
