CXTPChartSolidSplinePolygonDeviceCommand::CXTPChartSolidSplinePolygonDeviceCommand(const CXTPChartPoints& points, const CXTPChartColor& color, BOOL bTwoSides)
{
m_color = color;
if (!bTwoSides)
{
GpPath* pGpPath = 0;
GdipCreatePath(FillModeAlternate, &pGpPath);
GdipStartPathFigure(pGpPath);
int nCount = (int)points.GetSize();
GdipAddPathLine(pGpPath, points[0].X, points[0].Y, points[1].X, points[1].Y);
GdipAddPathCurve(pGpPath, (PointF*)points.GetData() + 1, nCount - 2);
GdipAddPathLine(pGpPath, points[nCount - 2].X, points[nCount - 2].Y, points[nCount - 1].X, points[nCount - 1].Y);
GdipClosePathFigures(pGpPath);
m_pGpPath = pGpPath;
}
else
{
GpPath* pGpPath = 0;
GdipCreatePath(FillModeAlternate, &pGpPath);
GdipStartPathFigure(pGpPath);
int nCount = (int)points.GetSize();
GdipAddPathCurve(pGpPath, (PointF*)points.GetData(), nCount / 2);
GdipAddPathLine(pGpPath, points[nCount / 2].X, points[nCount / 2].Y, points[nCount / 2 + 1].X, points[nCount / 2 + 1].Y);
GdipAddPathCurve(pGpPath, (PointF*)points.GetData() + nCount / 2, nCount / 2);
GdipAddPathLine(pGpPath, points[nCount - 1].X, points[nCount - 1].Y, points[0].X, points[0].Y);
GdipClosePathFigures(pGpPath);
m_pGpPath = pGpPath;
}
}
CXTPChartDeviceCommand* CXTPChartAreaSeriesView::CreateDeviceCommand(CXTPChartDeviceContext* pDC)
{
CXTPChartDeviceCommand* pSeriesCommand = new CXTPChartHitTestElementCommand(m_pSeries);
CXTPChartDeviceCommand* pCommand = pSeriesCommand->AddChildCommand(new CXTPChartPolygonAntialiasingDeviceCommand());
CXTPChartAreaSeriesStyle* pStyle = (CXTPChartAreaSeriesStyle*)GetStyle();
CXTPChartAxis* pAxisY = GetAxisViewY()->GetAxis();
CXTPChartColor clrBorder = GetBorderActualColor();
double dZero = max(0, pAxisY->GetRange()->GetMinValue());
int nCount = m_pPointsView->GetCount();
if (nCount > 1)
{
CXTPChartPointSeriesPointView* pPointView = (CXTPChartPointSeriesPointView*)m_pPointsView->GetAt(0);
CXTPChartPointF pointPrev = GetScreenPoint(pPointView->GetPoint()->GetInternalArgumentValue(), pPointView->m_dInternalValue);
CXTPChartPoints arrPoints;
arrPoints.Add(GetScreenPoint(pPointView->GetPoint()->GetInternalArgumentValue(), dZero));
for (int i = 1; i < nCount; i++)
{
pPointView = (CXTPChartPointSeriesPointView*)m_pPointsView->GetAt(i);
CXTPChartPointF pointNext = pPointView->GetScreenPoint();
arrPoints.Add(pointPrev);
pointPrev = pointNext;
}
arrPoints.Add(pointPrev);
pPointView = (CXTPChartPointSeriesPointView*)m_pPointsView->GetAt(nCount - 1);
arrPoints.Add(GetScreenPoint(pPointView->GetPoint()->GetInternalArgumentValue(), dZero));
pCommand->AddChildCommand(pStyle->GetFillStyle()->CreateDeviceCommand(arrPoints, GetActualColor(), GetActualColor2()));
arrPoints.RemoveAt(0);
arrPoints.RemoveAt(arrPoints.GetSize() - 1);
if (pStyle->GetBorder()->IsVisible())
pCommand->AddChildCommand(new CXTPChartSolidPolylineDeviceCommand(arrPoints, clrBorder, pStyle->GetBorder()->GetThickness()));
}
pCommand->AddChildCommand(CXTPChartSeriesView::CreateDeviceCommand(pDC));
return pSeriesCommand;
}
CXTPChartClipRegionDeviceCommand::CXTPChartClipRegionDeviceCommand(const CXTPChartPoints& points)
{
GpPath* pGpPath = NULL;
GdipCreatePath(FillModeAlternate, &pGpPath);
GdipAddPathPolygon(pGpPath, (GpPointF*)points.GetData(), (int)points.GetSize());
m_pGpClip = NULL;
GdipCreateRegionPath(pGpPath, &m_pGpClip);
m_pGpState = NULL;
GdipCreateRegion(&m_pGpState);
GdipDeletePath(pGpPath);
}
CXTPChartPolygonDeviceCommand::CXTPChartPolygonDeviceCommand(const CXTPChartPoints& points)
{
m_points.Copy(points);
if (points.GetSize() != 0)
{
double xMax = points[0].X, xMin = points[0].X;
double yMax = points[0].Y, yMin = points[0].Y;
for (int i = 1; i < points.GetSize(); i++)
{
xMax = max(xMax, points[i].X);
yMax = max(yMax, points[i].Y);
xMin = min(xMin, points[i].X);
yMin = min(yMin, points[i].Y);
}
m_bounds.X = (REAL)xMin;
m_bounds.Y = (REAL)yMin;
m_bounds.Width = (REAL)(xMax - xMin);
m_bounds.Height = (REAL)(yMax - yMin);
}
}
