def drawRect(self):
p = QPainter(self)
in_bounds = QRect(self.pan_limits[0], self.size - self.tilt_limits[1],
self.pan_limits[1] - self.pan_limits[0],
self.tilt_limits[1] - self.tilt_limits[0])
p.fillRect(in_bounds, QColor(0, 200, 0, 128))
p.drawRect(in_bounds)
def paintEvent(self, event):
with self.lock:
self.event = event
rect = event.rect()
qp = QPainter()
qp.begin(self)
radius = min(rect.width(), rect.height()) - 50
qp.setFont(QFont('Helvetica', 100))
qp.setPen(QPen(QBrush(QColor(255, 255, 255)), 20))
if self.is_disabled:
qp.fillRect(rect, self._DISABLED_COLOR)
qp.drawText(rect, QtCore.Qt.AlignCenter, self._FROWN)
elif self.is_blackout:
qp.fillRect(rect, self._BLACKOUT_COLOR)
qp.drawText(rect, QtCore.Qt.AlignCenter, self._FROWN)
time_diff = (self.next_whiteout_time - rospy.Time.now()).to_sec()
if time_diff < 0:
time_diff = 0
time_ratio = time_diff / (self.next_whiteout_time - self.blackout_time).to_sec()
qp.setFont(QFont('Helvetica', 30))
qp.drawText(0, rect.height() - 150, rect.width(), 150, QtCore.Qt.AlignCenter, "%.1f sec" % time_diff)
# 0-360
if time_ratio > 0:
rad = int(math.fmod(time_ratio * 360 + 90*16, 360) * 16)
qp.drawArc((rect.width() - radius) / 2, (rect.height() - radius) / 2, radius, radius, 90*16, rad)
else:
qp.fillRect(rect, self._OK_COLOR)
qp.drawText(rect, QtCore.Qt.AlignCenter, self._SMILEY)
qp.end()
def paintEvent(self, event):
with self.lock:
self.event = event
rect = event.rect()
qp = QPainter()
qp.begin(self)
radius = min(rect.width(), rect.height()) - 50
qp.setFont(QFont('Helvetica', 100))
qp.setPen(QPen(QBrush(QColor(255, 255, 255)), 20))
if self.is_disabled:
qp.fillRect(rect, self._DISABLED_COLOR)
qp.drawText(rect, QtCore.Qt.AlignCenter, self._FROWN)
elif self.is_blackout:
qp.fillRect(rect, self._BLACKOUT_COLOR)
qp.drawText(rect, QtCore.Qt.AlignCenter, self._FROWN)
time_diff = (self.next_whiteout_time - rospy.Time.now()).to_sec()
if time_diff < 0:
time_diff = 0
time_ratio = time_diff / (self.next_whiteout_time - self.blackout_time).to_sec()
qp.setFont(QFont('Helvetica', 30))
qp.drawText(0, rect.height() - 150, rect.width(), 150, QtCore.Qt.AlignCenter, "%.1f sec" % time_diff)
# 0-360
if time_ratio > 0:
rad = int(math.fmod(time_ratio * 360 + 90*16, 360) * 16)
qp.drawArc((rect.width() - radius) / 2, (rect.height() - radius) / 2, radius, radius, 90*16, rad)
else:
qp.fillRect(rect, self._OK_COLOR)
qp.drawText(rect, QtCore.Qt.AlignCenter, self._SMILEY)
qp.end()
def redraw(self, event):
"""
Draw timeline's "cells" (ie. boxes that represent seconds).
Taken from robot_monitor.message_timeline.on_paint
@deprecated: This way (using QPainter) didn't work as intended.
"""
#super(TimelineView, self).paintEvent(event)
# painter = QPainter(self)
## This yields warning that says:
## "QPainter::begin: Widget painting can only begin as a result of a paintEvent"
painter = QPainter()
painter.begin(self.viewport())
pen = QPen(
Qt.black,
2) #, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin) # Needs modified.
painter.setPen(pen)
is_enabled = self.isEnabled()
#(width_tl, height_tl) = self.size()
qsize = self.size()
width_tl = qsize.width()
height_tl = qsize.height()
length_tl = self._max_num_seconds + 1 - self._min_num_seconds
rospy.logdebug('paintEvent is_enabled=%s length_tl=%d', is_enabled,
length_tl)
value_size = width_tl / float(length_tl)
for i in xrange(0, length_tl):
brush = None
color_index = i + self._min_num_seconds
if (is_enabled):
qcolor = self._color_callback(color_index)
else:
qcolor = QColor('grey')
end_color = QColor(0.5 * QColor('red').value(),
0.5 * QColor('green').value(),
0.5 * QColor('blue').value())
#painter.setBrush(qcolor)
painter.setBrush(QBrush(qcolor))
start = i * value_size
end = (i + 1) * value_size
rect = QRect(start, 0, end, height_tl)
# dc.GradientFillLinear(wx.Rect(start, 0, end, height_tl),
# qcolor, end_color, wx.SOUTH)
rospy.logdebug('paintEvent i=%d start=%s end=%s height_tl=%s', i,
start, end, height_tl)
#painter.fillRect(QRect(start, end, 100, height_tl), qcolor)
painter.fillRect(rect, qcolor)
if (i > 0):
# dc.SetPen(wx.BLACK_PEN)
pen.setColor(Qt.black)
# dc.DrawLine(start, 0, start, height_tl)
painter.drawLine(start, 0, start, height_tl)
size_marker = QSize(20, 20)
marker_x = (
(self._xpos_marker - 1) * value_size + (value_size / 2.0) -
(self._timeline_marker.actualSize(size_marker).width() / 2.0))
# dc.DrawBitmap(self._timeline_marker, marker_x, 0, True)
qrect = QRect(marker_x, 0, size_marker.width(), size_marker.height())
self._timeline_marker.paint(painter, qrect)
rospy.logdebug(' paintEvent marker_x=%s', marker_x)
painter.end()