wxRect2DDouble wxGraphicsPath::GetBox() const
{
wxDouble x,y,w,h;
GetBox(&x,&y,&w,&h);
return wxRect2DDouble( x,y,w,h );
}
wxPlotMarkerRefData(int type = 0, const wxRect2DDouble& rect = wxRect2DDouble())
: wxObjectRefData(), m_markerType(type), m_rect(rect), m_size(wxSize(-1, -1)) {}
wxRect2DDouble wxPlotMarker::GetPlotRect() const
{
wxCHECK_MSG(Ok(), wxRect2DDouble(), wxT("Invalid plot marker"));
return M_PMARKERDATA->m_rect;
}
void wxPlotDrawerDataCurve::Draw(wxDC *dc, wxPlotData* curve, int curve_index)
{
wxCHECK_RET(dc && m_owner && curve && curve->Ok(), wxT("invalid curve"));
INITIALIZE_FAST_GRAPHICS
wxRect dcRect(GetDCRect());
wxRect2DDouble viewRect( GetPlotViewRect() ); //m_viewRect );
wxRect2DDouble subViewRect( m_owner->GetPlotRectFromClientRect(dcRect) );
wxRect2DDouble curveRect( curve->GetBoundingRect() );
if (!wxPlotRect2DDoubleIntersects(curveRect, subViewRect)) return;
/* // FIXME - drawing symbol bitmaps in MSW is very slow
wxBitmap bitmap;
if (curve == GetActiveCurve())
bitmap = curve->GetSymbol(wxPLOTPEN_ACTIVE);
else
bitmap = curve->GetSymbol(wxPLOTPEN_NORMAL);
if (!bitmap.Ok())
{
if (curve == GetActiveCurve())
bitmap = wxPlotSymbolCurrent;
else
bitmap = wxPlotSymbolNormal;
}
int bitmapHalfWidth = bitmap.GetWidth()/2;
int bitmapHalfHeight = bitmap.GetHeight()/2;
*/
// find the starting and ending indexes into the data curve
int n, n_start, n_end;
bool x_ordered = curve->GetIsXOrdered();
if (x_ordered)
{
n_start = curve->GetIndexFromX(subViewRect.GetLeft(), wxPlotData::index_floor);
n_end = curve->GetIndexFromX(subViewRect.GetRight(), wxPlotData::index_ceil);
n_end++; // for statement comparison is <
}
else
{
n_start = 0;
n_end = curve->GetCount();
}
// set the pens to draw with
wxPen currentPen = (curve_index == m_owner->GetActiveIndex()) ? curve->GetPen(wxPLOTPEN_ACTIVE).GetPen()
: curve->GetPen(wxPLOTPEN_NORMAL).GetPen();
wxPen selectedPen = curve->GetPen(wxPLOTPEN_SELECTED).GetPen();
if (m_pen_scale != 1)
{
currentPen.SetWidth(int(currentPen.GetWidth() * m_pen_scale));
selectedPen.SetWidth(int(selectedPen.GetWidth() * m_pen_scale));
}
dc->SetPen(currentPen);
// handle the selected ranges and initialize the starting range
const wxArrayRangeInt &ranges = m_owner->GetDataCurveSelection(curve_index)->GetRangeArray();
int n_range = 0, range_count = ranges.GetCount();
int min_sel = -1, max_sel = -1;
for (n_range=0; n_range<range_count; n_range++)
{
const wxRangeInt& range = ranges[n_range];
if ((range.m_max >= n_start) || (range.m_min >= n_start))
{
min_sel = range.m_min;
max_sel = range.m_max;
if (range.Contains(n_start))
dc->SetPen( selectedPen );
break;
}
}
// data variables
const double *x_data = &curve->GetXData()[n_start];
const double *y_data = &curve->GetYData()[n_start];
int i0, j0, i1, j1; // curve coords in pixels
double x0, y0, x1, y1; // original curve coords
double xx0, yy0, xx1, yy1; // clipped curve coords
x0 = *x_data;
y0 = *y_data;
int clipped = ClippedNeither;
bool draw_lines = m_owner->GetDrawLines();
bool draw_symbols = m_owner->GetDrawSymbols();
bool draw_spline = m_owner->GetDrawSpline();
SplineDrawer sd;
wxRangeDoubleSelection dblRangeSel;
if (draw_spline)
{
wxRangeDouble viewRange(viewRect.m_x, viewRect.GetRight());
wxRangeDouble dcRange(dcRect.x, dcRect.GetRight());
for (int r = n_range; r < range_count; r++)
{
wxRangeDouble plotRange(curve->GetXValue(ranges[r].m_min),
curve->GetXValue(ranges[r].m_max));
if (viewRange.Intersects(plotRange))
{
double min_x = m_owner->GetClientCoordFromPlotX(plotRange.m_min);
double max_x = m_owner->GetClientCoordFromPlotX(plotRange.m_max);
dblRangeSel.SelectRange(wxRangeDouble(min_x, max_x));
}
else
break;
}
// spline starts 2 points back for smoothness
int s_start = n_start > 1 ? -2 : n_start > 0 ? -1 : 0;
sd.Create(dc, currentPen, selectedPen,
wxRect2DDouble(dcRect.x, dcRect.y, dcRect.width, dcRect.height),
&dblRangeSel,
m_owner->GetClientCoordFromPlotX(x_data[s_start]),
m_owner->GetClientCoordFromPlotY(y_data[s_start]),
m_owner->GetClientCoordFromPlotX(x_data[s_start+1]),
m_owner->GetClientCoordFromPlotY(y_data[s_start+1]));
}
for (n = n_start; n < n_end; n++)
{
x1 = *x_data++;
y1 = *y_data++;
if (draw_spline)
sd.DrawSpline(m_owner->GetClientCoordFromPlotX(x1),
m_owner->GetClientCoordFromPlotY(y1));
xx0 = x0; yy0 = y0; xx1 = x1; yy1 = y1;
clipped = ClipLineToRect(xx0, yy0, xx1, yy1, viewRect);
if (clipped != ClippedOut)
{
i0 = m_owner->GetClientCoordFromPlotX(xx0);
j0 = m_owner->GetClientCoordFromPlotY(yy0);
i1 = m_owner->GetClientCoordFromPlotX(xx1);
j1 = m_owner->GetClientCoordFromPlotY(yy1);
if (draw_lines && ((i0 != i1) || (j0 != j1)))
{
wxPLOTCTRL_DRAW_LINE(dc, window, pen, i0, j0, i1, j1);
}
if (n == min_sel)
dc->SetPen( selectedPen );
if (draw_symbols && !((clipped & ClippedSecond) != 0) &&
((i0 != i1) || (j0 != j1) || (n == min_sel) || (n == n_start)))
{
//dc->DrawBitmap( bitmap, i1 - bitmapHalfWidth, j1 - bitmapHalfHeight, true );
wxPLOTCTRL_DRAW_ELLIPSE(dc, window, pen, i1, j1, 2, 2);
}
}
else if (n == min_sel)
{
dc->SetPen( selectedPen );
}
if (n == max_sel)
{
dc->SetPen( currentPen );
if (n_range < range_count - 1)
{
n_range++;
min_sel = ranges[n_range].m_min;
max_sel = ranges[n_range].m_max;
}
}
x0 = x1;
y0 = y1;
}
if (draw_spline)
{
// want an extra point at the end to smooth it out
if (n_end < (int)curve->GetCount() - 1)
sd.DrawSpline(m_owner->GetClientCoordFromPlotX(*x_data),
m_owner->GetClientCoordFromPlotY(*y_data));
sd.EndSpline();
}
dc->SetPen(wxNullPen);
}