def _paint_grid(self):
area = self.scene_area
# Fixme:
if area is None:
return
xinf, xsup = area.x.inf, area.x.sup
yinf, ysup = area.y.inf, area.y.sup
length = min(area.x.length, area.y.length)
color = QColor('black')
brush = QBrush(color)
pen = QPen(brush, .75)
self._painter.setPen(pen)
self._painter.setBrush(Qt.NoBrush)
step = max(10**int(math.log10(length)), 10)
small_step = step // 10
self._logger.info('Grid of {}/{} for {:.1f} mm'.format(
step, small_step, length))
self._paint_axis_grid(xinf, xsup, yinf, ysup, True, step)
self._paint_axis_grid(yinf, ysup, xinf, xsup, False, step)
color = QColor('black')
brush = QBrush(color)
pen = QPen(brush, .25)
self._painter.setPen(pen)
self._painter.setBrush(Qt.NoBrush)
self._paint_axis_grid(xinf, xsup, yinf, ysup, True, small_step)
self._paint_axis_grid(yinf, ysup, xinf, xsup, False, small_step)
def _paint_cubic(self, item, vertices):
pen = self._set_pen(item)
path = QPainterPath()
path.moveTo(vertices[0])
path.cubicTo(*vertices[1:])
self._painter.drawPath(path)
path_style = item.path_style
# if path_style.show_control:
if getattr(path_style, 'show_control', False):
color = QColor(str(path_style.control_color))
brush = QBrush(color)
pen = QPen(brush, 1) # Fixme
self._painter.setPen(pen)
self._painter.setBrush(Qt.NoBrush)
path = QPainterPath()
path.moveTo(vertices[0])
for vertex in vertices[1:]:
path.lineTo(vertex)
self._painter.drawPath(path)
# Fixme:
radius = 3
self._painter.setBrush(brush)
for vertex in vertices:
self._painter.drawEllipse(vertex, radius, radius)
self._painter.setBrush(Qt.NoBrush) # Fixme:
def _set_pen(self, item):
path_syle = item.path_style
# print('_set_pen', item, path_syle)
if item.selected:
color = QColor('red') # Fixme: style
else:
color = path_syle.stroke_color
if color is not None:
color = QColor(str(color))
color.setAlphaF(path_syle.stroke_alpha)
else:
color = None
line_style = self.__STROKE_STYLE__[path_syle.stroke_style]
line_width = path_syle.line_width_as_float
# Fixme: selection style
if item.selected:
line_width *= 4
fill_color = path_syle.fill_color
if fill_color is not None:
color = QColor(str(fill_color))
color.setAlphaF(path_syle.fill_alpha)
self._painter.setBrush(color)
# return None
else:
self._painter.setBrush(Qt.NoBrush)
# print(item, color, line_style)
if color is None or line_style is StrokeStyle.NoPen:
# invisible item
pen = QPen(Qt.NoPen)
# print('Warning Pen:', item, item.user_data, color, line_style)
return None
else:
pen = QPen(
QBrush(color),
line_width,
line_style,
self.__CAP_STYLE__[path_syle.cap_style],
self.__JOIN_STYLE__[path_syle.join_style],
)
self._painter.setPen(pen)
return pen