def updateGraph(self):
yfield2attrs = {}
for yfield in self.yfields:
yfield2attrs[yfield.get('key', yfield['name'])] = yfield
self.points = []
i = 0
keys = self.datas.keys()
keys.sort()
for xfield in keys:
j = 0
for yfield in self.datas[xfield]:
xval = i
yval = self.datas[xfield][yfield]
x = (xval - self.minxval) * self.xscale
y = 1.0 - (yval - self.minyval) * self.yscale
if self.xrange == 0:
x = 1.0
if (not bool(safe_eval(yfield2attrs[yfield].get('empty', '1')))
and yval == 0):
continue
point = Point(x, y, xval, yval, xfield, yfield)
if (0.0 <= point.x <= 1.0) and (0.0 <= point.y <= 1.0):
self.points.append(point)
j += 1
i += 1
def drawGraph(self, cr, width, height):
key2fill = {}
for yfield in self.yfields:
key2fill[yfield.get('key', yfield['name'])] = \
bool(safe_eval(yfield.get('fill', '0')))
def preparePath(key):
cr.new_path()
cr.move_to(self.area.x, self.area.y + self.area.h)
for point in self.points:
if point.yname == key:
cr.line_to(point.x * self.area.w + self.area.x,
point.y * self.area.h + self.area.y)
cr.line_to(self.area.x + self.area.w, self.area.y + self.area.h)
cr.move_to(self.area.x, self.area.y + self.area.h)
if key2fill[key]:
cr.close_path()
else:
cr.set_source_rgb(*self.colorScheme[key])
cr.stroke()
cr.save()
cr.set_line_width(2)
for key in self._getDatasKeys():
if key2fill[key]:
cr.save()
cr.set_source_rgba(0, 0, 0, 0.15)
cr.translate(2, -2)
preparePath(key)
cr.fill()
cr.restore()
r, g, b = self.colorScheme[key]
linear = cairo.LinearGradient(width / 2, 0, width / 2, height)
linear.add_color_stop_rgb(0,
3.5 * r / 5.0, 3.5 * g / 5.0, 3.5 * b / 5.0)
linear.add_color_stop_rgb(1, r, g, b)
cr.set_source(linear)
preparePath(key)
cr.fill()
else:
preparePath(key)
for point in self.points:
if key2fill[point.yname]:
continue
cr.set_source_rgb(*self.colorScheme[point.yname])
cr.move_to(point.x * self.area.w + self.area.x,
point.y * self.area.h + self.area.y)
cr.arc(point.x * self.area.w + self.area.x,
point.y * self.area.h + self.area.y,
3, 0, 2 * math.pi)
cr.fill()
cr.restore()
def drawGraph(self, cr, width, height):
cr.set_line_join(cairo.LINE_JOIN_ROUND)
cr.save()
for slice in self.slices:
if slice.isBigEnough():
if bool(safe_eval(self.yfields[0].get('fill', '1'))):
color = self.colorScheme[slice.xname]
if slice.highlight:
color = self.colorScheme['__highlight']
cr.set_source_rgba(*color)
slice.draw(cr, self.centerx, self.centery, self.radius)
cr.fill()
cr.set_source_rgb(*hex2rgb(
self.attrs.get('background', '#f5f5f5')))
slice.draw(cr, self.centerx, self.centery, self.radius)
cr.set_line_width(2)
cr.stroke()
cr.restore()
