def _drawPlotLine( self, painter, xvals, yvals, posn, xdata, ydata,
cliprect ):
"""Draw the line connecting the points."""
pts = self._getLinePoints(xvals, yvals, posn, xdata, ydata)
if len(pts) < 2:
return
s = self.settings
if not s.FillBelow.hide:
# construct polygon to draw filled region
polypts = qt4.QPolygonF([qt4.QPointF(pts[0].x(), posn[3])])
polypts += pts
polypts.append(qt4.QPointF(pts[len(pts)-1].x(), posn[3]))
utils.brushExtFillPolygon(painter, s.FillBelow, cliprect, polypts)
if not s.FillAbove.hide:
polypts = qt4.QPolygonF([qt4.QPointF(pts[0].x(), posn[1])])
polypts += pts
polypts.append(qt4.QPointF(pts[len(pts)-1].x(), posn[1]))
utils.brushExtFillPolygon(painter, s.FillAbove, cliprect, polypts)
# draw line between points
if not s.PlotLine.hide:
painter.setPen( s.PlotLine.makeQPen(painter) )
utils.plotClippedPolyline(painter, cliprect, pts)
def _drawPlotLine(self, painter, xvals, yvals, posn, xdata, ydata,
cliprect):
"""Draw the line connecting the points."""
pts = self._getLinePoints(xvals, yvals, posn, xdata, ydata)
if len(pts) < 2:
return
s = self.settings
if not s.FillBelow.hide:
# construct polygon to draw filled region
polypts = qt4.QPolygonF([qt4.QPointF(pts[0].x(), posn[3])])
polypts += pts
polypts.append(qt4.QPointF(pts[len(pts) - 1].x(), posn[3]))
utils.brushExtFillPolygon(painter, s.FillBelow, cliprect, polypts)
if not s.FillAbove.hide:
polypts = qt4.QPolygonF([qt4.QPointF(pts[0].x(), posn[1])])
polypts += pts
polypts.append(qt4.QPointF(pts[len(pts) - 1].x(), posn[1]))
utils.brushExtFillPolygon(painter, s.FillAbove, cliprect, polypts)
# draw line between points
if not s.PlotLine.hide:
painter.setPen(s.PlotLine.makeQPen(painter))
utils.plotClippedPolyline(painter, cliprect, pts)
def _drawPlotLine( self, painter, xvals, yvals, posn, xdata, ydata,
cliprect ):
"""Draw the line connecting the points."""
pts = self._getLinePoints(xvals, yvals, posn, xdata, ydata)
if len(pts) < 2:
return
s = self.settings
for fill in (s.FillBelow, s.FillAbove):
if not fill.hide:
polypts = qt4.QPolygonF([{
'bottom': qt4.QPointF(pts[0].x(), posn[3]),
'top': qt4.QPointF(pts[0].x(), posn[1]),
'left': qt4.QPointF(posn[0], pts[0].y()),
'right': qt4.QPointF(posn[2], pts[0].y()),
}[fill.edge]])
polypts += pts
polypts.append({
'bottom': qt4.QPointF(pts[-1].x(), posn[3]),
'top': qt4.QPointF(pts[-1].x(), posn[1]),
'left': qt4.QPointF(posn[0], pts[-1].y()),
'right': qt4.QPointF(posn[2], pts[-1].y()),
}[fill.edge])
utils.brushExtFillPolygon(painter, fill, cliprect, polypts)
# draw line between points
if not s.PlotLine.hide:
painter.setPen( s.PlotLine.makeQPen(painter) )
utils.plotClippedPolyline(painter, cliprect, pts)
def _errorBarsFilled(style, xmin, xmax, ymin, ymax, xplotter, yplotter,
s, painter, clip):
"""Draw filled region as error region."""
ptsabove = qt4.QPolygonF()
ptsbelow = qt4.QPolygonF()
for orientation, edges, plotpts, minpts, maxpts, hideline in (
('vert', ('top', 'bottom'), xplotter, ymin, ymax, s.ErrorBarLine.hideVert),
('horz', ('left', 'right'), yplotter, xmin, xmax, s.ErrorBarLine.hideHorz) ):
if ( (orientation in style) and not hideline and
(minpts is not None) and (maxpts is not None) ):
utils.addNumpyToPolygonF(ptsbelow, plotpts, minpts)
utils.addNumpyToPolygonF(ptsabove, plotpts, maxpts)
if 'fill' in style:
retnpts = qt4.QPolygonF()
fillpts = {
'top': ptsabove,
'left': ptsabove,
'bottom': ptsbelow,
'right': ptsbelow }
utils.addNumpyToPolygonF(retnpts,
xplotter[::-1], yplotter[::-1])
# See note in addSettings about names of FillAbove and
# FillBelow
for fill in (s.FillAbove, s.FillBelow):
# polygons consist of lines joining the points and
# continuing back along the plot line (retnpts)
if not fill.hideerror:
utils.brushExtFillPolygon(painter, fill, clip,
fillpts[fill.edge]+retnpts,
ignorehide=True)
utils.plotClippedPolyline(painter, clip, ptsabove)
utils.plotClippedPolyline(painter, clip, ptsbelow)
def drawFillPts(self, painter, brushext, cliprect, ptsx, ptsy):
'''Draw points for plotting a fill.'''
pts = qt4.QPolygonF()
utils.addNumpyToPolygonF(pts, ptsx, ptsy)
filltype = brushext.filltype
# this is broken: FIXME
if filltype == 'left':
dyend = ptsy[-1]-self._box[1]
pts.append( qt4.QPointF(ptsx[-1]-dyend*tan30, self._box[1]) )
dystart = ptsy[0]-self._box[1]
pts.append( qt4.QPointF(ptsx[0]-dystart*tan30, self._box[1]) )
elif filltype == 'right':
pts.append( qt4.QPointF(self._box[2], ptsy[-1]) )
pts.append( qt4.QPointF(self._box[2], ptsy[0]) )
elif filltype == 'bottom':
dyend = self._box[3]-ptsy[-1]
pts.append( qt4.QPointF(ptsx[-1]-dyend*tan30, self._box[3]) )
dystart = self._box[3]-ptsy[0]
pts.append( qt4.QPointF(ptsx[0]-dystart*tan30, self._box[3]) )
elif filltype == 'polygon':
pass
else:
pts = None
if pts is not None:
utils.brushExtFillPolygon(painter, brushext, cliprect, pts)
def drawFillPts(self, painter, brushext, cliprect, ptsx, ptsy):
'''Draw points for plotting a fill.'''
pts = qt4.QPolygonF()
utils.addNumpyToPolygonF(pts, ptsx, ptsy)
filltype = brushext.filltype
# this is broken: FIXME
if filltype == 'left':
dyend = ptsy[-1]-self._box[1]
pts.append( qt4.QPointF(ptsx[-1]-dyend*tan30, self._box[1]) )
dystart = ptsy[0]-self._box[1]
pts.append( qt4.QPointF(ptsx[0]-dystart*tan30, self._box[1]) )
elif filltype == 'right':
pts.append( qt4.QPointF(self._box[2], ptsy[-1]) )
pts.append( qt4.QPointF(self._box[2], ptsy[0]) )
elif filltype == 'bottom':
dyend = self._box[3]-ptsy[-1]
pts.append( qt4.QPointF(ptsx[-1]-dyend*tan30, self._box[3]) )
dystart = self._box[3]-ptsy[0]
pts.append( qt4.QPointF(ptsx[0]-dystart*tan30, self._box[3]) )
elif filltype == 'polygon':
pass
else:
pts = None
if pts is not None:
utils.brushExtFillPolygon(painter, brushext, cliprect, pts)
def _errorBarsFilled(style, xmin, xmax, ymin, ymax, xplotter, yplotter, s,
painter, clip):
"""Draw filled region as error region."""
ptsabove = qt4.QPolygonF()
ptsbelow = qt4.QPolygonF()
hidevert = True # keep track of what's shown
hidehorz = True
if ('vert' in style and (ymin is not None and ymax is not None)
and not s.ErrorBarLine.hideVert):
hidevert = False
# lines above/below points
utils.addNumpyToPolygonF(ptsbelow, xplotter, ymin)
utils.addNumpyToPolygonF(ptsabove, xplotter, ymax)
elif ('horz' in style and (xmin is not None and xmax is not None)
and not s.ErrorBarLine.hideHorz):
hidehorz = False
# lines left/right points
utils.addNumpyToPolygonF(ptsbelow, xmin, yplotter)
utils.addNumpyToPolygonF(ptsabove, xmax, yplotter)
# draw filled regions above/left and below/right
if 'fill' in style and not (hidehorz and hidevert):
# construct points for error bar regions
retnpts = qt4.QPolygonF()
utils.addNumpyToPolygonF(retnpts, xplotter[::-1], yplotter[::-1])
# polygons consist of lines joining the points and continuing
# back along the plot line (retnpts)
if not s.FillBelow.hideerror:
utils.brushExtFillPolygon(painter,
s.FillBelow,
clip,
ptsbelow + retnpts,
ignorehide=True)
if not s.FillAbove.hideerror:
utils.brushExtFillPolygon(painter,
s.FillAbove,
clip,
ptsabove + retnpts,
ignorehide=True)
# draw optional line (on top of fill)
utils.plotClippedPolyline(painter, clip, ptsabove)
utils.plotClippedPolyline(painter, clip, ptsbelow)
def drawFillPts(self, painter, extfill, cliprect, ptsx, ptsy):
'''Draw points for plotting a fill.'''
pts = qt4.QPolygonF()
utils.addNumpyToPolygonF(pts, ptsx, ptsy)
filltype = extfill.filltype
if filltype == 'center':
pts.append(qt4.QPointF(self._xc, self._yc))
utils.brushExtFillPolygon(painter, extfill, cliprect, pts)
elif filltype == 'outside':
pp = qt4.QPainterPath()
pp.moveTo(self._xc, self._yc)
pp.arcTo(cliprect, 0, 360)
pp.addPolygon(pts)
utils.brushExtFillPath(painter, extfill, pp)
elif filltype == 'polygon':
utils.brushExtFillPolygon(painter, extfill, cliprect, pts)
def drawFillPts(self, painter, extfill, cliprect,
ptsx, ptsy):
'''Draw points for plotting a fill.'''
pts = qt4.QPolygonF()
utils.addNumpyToPolygonF(pts, ptsx, ptsy)
filltype = extfill.filltype
if filltype == 'center':
pts.append( qt4.QPointF(self._xc, self._yc) )
utils.brushExtFillPolygon(painter, extfill, cliprect, pts)
elif filltype == 'outside':
pp = qt4.QPainterPath()
pp.moveTo(self._xc, self._yc)
pp.arcTo(cliprect, 0, 360)
pp.addPolygon(pts)
utils.brushExtFillPath(painter, extfill, pp)
elif filltype == 'polygon':
utils.brushExtFillPolygon(painter, extfill, cliprect, pts)
def _errorBarsFilled(style, xmin, xmax, ymin, ymax, xplotter, yplotter,
s, painter, clip):
"""Draw filled region as error region."""
ptsabove = qt4.QPolygonF()
ptsbelow = qt4.QPolygonF()
hidevert = True # keep track of what's shown
hidehorz = True
if ( 'vert' in style and
(ymin is not None and ymax is not None) and
not s.ErrorBarLine.hideVert ):
hidevert = False
# lines above/below points
utils.addNumpyToPolygonF(ptsbelow, xplotter, ymin)
utils.addNumpyToPolygonF(ptsabove, xplotter, ymax)
elif ( 'horz' in style and
(xmin is not None and xmax is not None) and
not s.ErrorBarLine.hideHorz ):
hidehorz = False
# lines left/right points
utils.addNumpyToPolygonF(ptsbelow, xmin, yplotter)
utils.addNumpyToPolygonF(ptsabove, xmax, yplotter)
# draw filled regions above/left and below/right
if 'fill' in style and not (hidehorz and hidevert):
# construct points for error bar regions
retnpts = qt4.QPolygonF()
utils.addNumpyToPolygonF(retnpts, xplotter[::-1], yplotter[::-1])
# polygons consist of lines joining the points and continuing
# back along the plot line (retnpts)
if not s.FillBelow.hideerror:
utils.brushExtFillPolygon(painter, s.FillBelow, clip,
ptsbelow+retnpts, ignorehide=True)
if not s.FillAbove.hideerror:
utils.brushExtFillPolygon(painter, s.FillAbove, clip,
ptsabove+retnpts, ignorehide=True)
# draw optional line (on top of fill)
utils.plotClippedPolyline(painter, clip, ptsabove)
utils.plotClippedPolyline(painter, clip, ptsbelow)
