void Tree::display(CPaintDC& dc, int x, int y, int age)
{
CBrush brushGreen(RGB(0, 255, 0));
int d = 20 + (age/2);
CRect rcEllipse(CPoint(x, y), CSize(d, d));
CRgn rgnEllipse;
rgnEllipse.CreateEllipticRgnIndirect(&rcEllipse);
dc.FillRgn(&rgnEllipse, &brushGreen);
}
void MyGraph::DrawSeriesLine(CDC& dc) const
{
VALIDATE;
ASSERT_VALID(&dc);
_ASSERTE(!m_bStackedGraph);
// Iterate the groups.
CPoint ptLastLoc(0,0);
int dataLastLoc(0);
for (int nGroup = 0; nGroup < GetMaxSeriesSize(); nGroup++) {
// How much space does each series get (includes inter series space)?
int nSeriesSpace(0);
if (m_saLegendLabels.GetSize()) {
nSeriesSpace = (m_nXAxisWidth - m_rcLegend.Width() - (GAP_PIXELS * 2)) /
(int)m_olMyGraphSeries.GetCount();
}
else {
nSeriesSpace = m_nXAxisWidth / (int)m_olMyGraphSeries.GetCount();
}
// Determine width of bars.
int nMaxSeriesSize(GetMaxSeriesSize());
nMaxSeriesSize = max(nMaxSeriesSize, 1);
int nBarWidth(nSeriesSpace / nMaxSeriesSize);
if (1 < m_olMyGraphSeries.GetCount()) {
nBarWidth = (int) ((double) nBarWidth * INTERSERIES_PERCENT_USED);
}
// This is the width of the largest series (no inter series space).
//int nMaxSeriesPlotSize(GetMaxSeriesSize() * nBarWidth);
// Iterate the series.
POSITION pos(m_olMyGraphSeries.GetHeadPosition());
// Build objects.
COLORREF crLine(m_dwaColors.GetAt(nGroup));
CBrush br(crLine);
CBrush* pBrushOld = dc.SelectObject(&br);
ASSERT_VALID(pBrushOld);
CPen penLine(PS_SOLID, 1, crLine);
CPen* pPenOld = dc.SelectObject(&penLine);
ASSERT_VALID(pPenOld);
for (int nSeries = 0; nSeries < m_olMyGraphSeries.GetCount(); ++nSeries) {
MyGraphSeries* pSeries = m_olMyGraphSeries.GetNext(pos);
ASSERT_VALID(pSeries);
// Get x and y location of center of ellipse.
CPoint ptLoc(0,0);
ptLoc.x = m_ptOrigin.x + (((nSeries + 1) * nSeriesSpace) -
(nSeriesSpace / 2));
int nMaxDataValue(GetMaxDataValue());
nMaxDataValue = max(nMaxDataValue, 1);
double dLineHeight(pSeries->GetData(nGroup) * m_nYAxisHeight /
double(nMaxDataValue));
ptLoc.y = (int) ((double) m_ptOrigin.y - dLineHeight);
// Draw line back to last data member.
if (nSeries > 0 && (pSeries->GetData(nGroup)!=0 || dataLastLoc != 0)) {
dc.MoveTo(ptLastLoc.x, ptLastLoc.y - 1);
VERIFY(dc.LineTo(ptLoc.x - 1, ptLoc.y - 1));
}
// Now draw ellipse.
CRect rcEllipse(ptLoc.x - 3, ptLoc.y - 3, ptLoc.x + 3, ptLoc.y + 3);
if(pSeries->GetData(nGroup)!=0){
VERIFY(dc.Ellipse(rcEllipse));
}
if (m_olMyGraphSeries.GetCount() < 40)
{
pSeries->SetTipRegion(nGroup, rcEllipse);
}
// Save last pt and data
ptLastLoc = ptLoc;
dataLastLoc = pSeries->GetData(nGroup);
}
VERIFY(dc.SelectObject(pPenOld));
penLine.DeleteObject();
VERIFY(dc.SelectObject(pBrushOld));
br.DeleteObject();
}
int nMaxDataValue = max(GetMaxDataValue(), 1);
double barTop = m_ptOrigin.y - (double)m_nYAxisHeight *
(GetAverageDataValue() / (double)nMaxDataValue);
dc.MoveTo(m_ptOrigin.x, barTop);
VERIFY(dc.LineTo(m_ptOrigin.x + (m_nXAxisWidth - m_rcLegend.Width() - (GAP_PIXELS * 2)), barTop));
}
