void OHLCPlot::DrawOHLCDataset(wxDC &dc, wxRect rc, OHLCDataset *dataset)
{
OHLCRenderer *renderer = dataset->GetRenderer();
wxCHECK_RET(renderer != NULL, wxT("no renderer for data"));
Axis *vertAxis = GetDatasetVerticalAxis(dataset);
Axis *horizAxis = GetDatasetHorizontalAxis(dataset);
wxCHECK_RET(vertAxis != NULL, wxT("no axis for data"));
wxCHECK_RET(horizAxis != NULL, wxT("no axis for data"));
// draw OHLC items
for (size_t n = 0; n < dataset->GetCount(); n++) {
OHLCItem *item = dataset->GetItem(n);
wxCoord open = vertAxis->ToGraphics(dc, rc.y, rc.height, item->open);
wxCoord high = vertAxis->ToGraphics(dc, rc.y, rc.height, item->high);
wxCoord low = vertAxis->ToGraphics(dc, rc.y, rc.height, item->low);
wxCoord close = vertAxis->ToGraphics(dc, rc.y, rc.height, item->close);
wxCoord x = horizAxis->ToGraphics(dc, rc.x, rc.width, n);//item->date);
renderer->DrawItem(dc, x, open, high, low, close);
}
}
void BarPlot::DrawDatasets(wxDC &dc, wxRect rc)
{
for (size_t nData = 0; nData < GetDatasetCount(); nData++) {
CategoryDataset *dataset = (CategoryDataset *) GetDataset(nData);
BarRenderer *renderer = dataset->GetRenderer();
wxCHECK_RET(renderer != NULL, wxT("no renderer for data"));
Axis *vertAxis = GetDatasetVerticalAxis(dataset);
Axis *horizAxis = GetDatasetHorizontalAxis(dataset);
wxCHECK_RET(vertAxis != NULL, wxT("no axis for data"));
wxCHECK_RET(horizAxis != NULL, wxT("no axis for data"));
bool verticalBars;
if (wxDynamicCast(horizAxis, CategoryAxis) != NULL ||
wxDynamicCast(horizAxis, DateAxis) != NULL) {
verticalBars = true;
}
else if (wxDynamicCast(vertAxis, CategoryAxis) != NULL ||
wxDynamicCast(vertAxis, DateAxis) != NULL) {
verticalBars = false;
}
else {
// wrong plot configuration, TODO be handled not here
return ;
}
renderer->Draw(dc, rc, horizAxis, vertAxis, verticalBars, dataset);
}
}
void XYPlot::DrawXYDataset(wxDC &dc, wxRect rc, XYDataset *dataset)
{
XYRenderer *renderer = dataset->GetRenderer();
wxCHECK_RET(renderer != NULL, wxT("no renderer for data"));
Axis *vertAxis = GetDatasetVerticalAxis(dataset);
Axis *horizAxis = GetDatasetHorizontalAxis(dataset);
wxCHECK_RET(vertAxis != NULL, wxT("no axis for data"));
wxCHECK_RET(horizAxis != NULL, wxT("no axis for data"));
renderer->Draw(dc, rc, horizAxis, vertAxis, dataset);
}
void BubblePlot::DrawDatasets(wxDC &dc, wxRect rc)
{
for (size_t nData = 0; nData < GetDatasetCount(); nData++) {
XYZDataset *dataset = (XYZDataset *) GetDataset(nData);
XYZRenderer *renderer = dataset->GetRenderer();
wxCHECK_RET(renderer != NULL, wxT("no renderer for data"));
Axis *vertAxis = GetDatasetVerticalAxis(dataset);
Axis *horizAxis = GetDatasetHorizontalAxis(dataset);
wxCHECK_RET(vertAxis != NULL, wxT("no axis for data"));
wxCHECK_RET(horizAxis != NULL, wxT("no axis for data"));
renderer->Draw(dc, rc, horizAxis, vertAxis, dataset);
}
}
void AxisPlot::DrawMarkers(wxDC &dc, wxRect rcData)
{
for (size_t n = 0; n < m_datasets.Count(); n++) {
Dataset *dataset = m_datasets[n];
if (dataset->GetMarkersCount() == 0) {
continue;
}
Axis *horizAxis = GetDatasetHorizontalAxis(dataset);
Axis *vertAxis = GetDatasetVerticalAxis(dataset);
for (size_t nMarker = 0; nMarker < dataset->GetMarkersCount(); nMarker++) {
Marker *marker = dataset->GetMarker(nMarker);
marker->Draw(dc, rcData, horizAxis, vertAxis);
}
}
}
bool AxisPlot::ToDataCoords(size_t nData, wxDC &dc, wxRect rc, wxCoord gx, wxCoord gy, double *x, double *y)
{
Dataset *dataset = GetDataset(nData);
wxCHECK_MSG(dataset != NULL, false, wxT("AxisPlot::ToDataCoords: Invalid dataset index"));
Axis *horizAxis = GetDatasetHorizontalAxis(dataset);
Axis *vertAxis = GetDatasetVerticalAxis(dataset);
wxCHECK_MSG(horizAxis != NULL && vertAxis != NULL, false, wxT("AxisPlot::ToDataCoords: dataset not linked with horizontal or vertical axis"));
wxRect rcData;
wxRect rcLegend;
CalcDataArea(dc, rc, rcData, rcLegend);
if (!rcData.Contains(gx, gy)) {
return false;
}
*x = horizAxis->ToData(dc, rcData.x, rcData.width, gx);
*y = vertAxis->ToData(dc, rcData.y, rcData.height, gy);
return true;
}
