def paintEvent(self, event):
painter = QPainter(self)
# Hello world
# ブラシ（塗りつぶし）の色を黒に
painter.setBrush(Qt.black)
# ペン（線描画）の色も黒に
painter.setPen(Qt.black)
# 背景を描く
# self.rect()はwidgetのサイズを返すので、widget全体を埋める四角形を描画する
# ペンとブラシの色が黒なので背景色は真っ黒
painter.drawRect(self.rect())
# ペン（線描画）の色を白にする
painter.setPen(Qt.white)
# フォントサイズを変更する
font = painter.font()
# つらさはできるだけ大きく表現したほうが良い
# 周りが気づくように
font.setPointSize(80)
painter.setFont(font)
# テキストを描画する
x = 0 # 左端
y = self.rect().height() * 0.5 # 上下の中心
painter.drawText(x, y, "TSU☆RA☆I")
def paintEvent(self,event):
super(JoystickPointView,self).paintEvent(event)
try:
if self._initialized:
pass
except:
self._origPos = self.pos()
self._initialized = True
qp = QPainter()
qp.begin(self)
borderWidth = 2
radius = self.height()/2
center = QtCore.QPoint(self.height()/2,self.width()/2)
# Outer Circle
qp.setRenderHint(QPainter.Antialiasing, True)
qp.setPen(QPen(QtCore.Qt.darkGray, borderWidth, QtCore.Qt.SolidLine, QtCore.Qt.RoundCap,QtCore.Qt.RoundJoin))
qp.setBrush(QBrush(QtCore.Qt.white, QtCore.Qt.SolidPattern))
qp.drawEllipse(center,radius-borderWidth,radius-borderWidth)
# Inner Circle
qp.setPen(QPen(QtCore.Qt.lightGray, borderWidth, QtCore.Qt.SolidLine, QtCore.Qt.RoundCap,QtCore.Qt.RoundJoin))
qp.setBrush(QBrush(QtCore.Qt.white, QtCore.Qt.SolidPattern))
qp.drawEllipse(center,radius-borderWidth-1,radius-borderWidth-1)
qp.end()
def paintEvent(self, event):
painter = QPainter(self)
# Hello world
painter.setBrush(Qt.green)
painter.setPen(Qt.black)
painter.drawRect(self.rect())
painter.drawText(self.rect().width() * 0.5,
self.rect().height() * 0.5, "Hello world!")
def paintEvent(self, event):
p = QPainter()
p.begin(self)
if self.velocity < 0:
p.setBrush(self.brushGreen)
p.setPen(self.penGreen)
else:
p.setBrush(self.brushRed)
p.setPen(self.penRed)
p.drawPie(0, 0, self.width(), self.height(), self.angle, self.velocity)
p.end()
def updateOverlay(self, rect=None):
# Redraw the overlay image from scratch using the location image and current location.
self.image.overlay_image.fill(Qt.transparent)
painter = QPainter(self.image.overlay_image)
painter.setBackgroundMode(Qt.TransparentMode)
painter.setCompositionMode(QPainter.CompositionMode_Source)
for location in self.locations:
if self.draw_location[location]:
color = self.location_colors[location]
if self.edit_properties_location == location and self.editing_properties:
color = self.edit_area_selection_color
lineColor = QColor(color)
lineColor.setAlpha(255)
brushColor = QColor(color)
brushColor.setAlpha(128)
painter.setPen(lineColor)
painter.setBrush(brushColor)
painter.drawPolygon(self.locations[location])
if (self.current_selection is not None) or (self.new_selection
is not None):
lineColor = QColor(self.edit_area_selection_color)
lineColor.setAlpha(255)
brushColor = QColor(self.edit_area_selection_color)
brushColor.setAlpha(128)
painter.setPen(lineColor)
painter.setBrush(brushColor)
if self.new_selection is not None:
# Create a temporary polygon as the new selection is being drawn.
if self.current_selection is not None:
current_selection = QPolygon(self.current_selection)
if self.subtract_new_selection:
current_selection = current_selection.subtracted(
self.new_selection)
else:
current_selection = current_selection.united(
self.new_selection)
painter.drawPolygon(current_selection)
elif self.subtract_new_selection == False:
painter.drawPolygon(self.new_selection)
else:
painter.drawPolygon(self.current_selection)
painter.end()
if rect is None:
self.image.update()
else:
self.image.update(rect)
def updateOverlay(self, rect = None):
# Redraw the overlay image from scratch using the location image and current location.
self.image.overlay_image.fill(Qt.transparent)
painter = QPainter(self.image.overlay_image)
painter.setBackgroundMode(Qt.TransparentMode)
painter.setCompositionMode(QPainter.CompositionMode_Source)
for location in self.locations:
if self.draw_location[location]:
color = self.location_colors[location]
if self.edit_properties_location == location and self.editing_properties:
color = self.edit_area_selection_color
lineColor = QColor(color)
lineColor.setAlpha(255)
brushColor = QColor(color)
brushColor.setAlpha(128)
painter.setPen(lineColor)
painter.setBrush(brushColor)
painter.drawPolygon(self.locations[location])
if (self.current_selection is not None) or (self.new_selection is not None):
lineColor = QColor(self.edit_area_selection_color)
lineColor.setAlpha(255)
brushColor = QColor(self.edit_area_selection_color)
brushColor.setAlpha(128)
painter.setPen(lineColor)
painter.setBrush(brushColor)
if self.new_selection is not None:
# Create a temporary polygon as the new selection is being drawn.
if self.current_selection is not None:
current_selection = QPolygon(self.current_selection)
if self.subtract_new_selection:
current_selection = current_selection.subtracted(self.new_selection)
else:
current_selection = current_selection.united(self.new_selection)
painter.drawPolygon(current_selection)
elif self.subtract_new_selection == False:
painter.drawPolygon(self.new_selection)
else:
painter.drawPolygon(self.current_selection)
painter.end()
if rect is None:
self.image.update()
else:
self.image.update(rect)
def paintEvent(self,event=None):
#global mouse_is_pressed
w_height = self.frameGeometry().height()
w_width = self.frameGeometry().width()
if w_height > w_width:
diam = w_width
else:
diam = w_height
radius = int(diam / 2) - 10
start_x = w_width/2 - radius
start_y = w_height/2 - radius
line1_x1 = w_width/2 + radius*0.707
line1_x2 = w_width/2 - radius*0.707
line1_y1 = w_height/2 - radius*0.707
line1_y2 = w_height/2 + radius*0.707
line2_x1 = w_width/2 - radius*0.707
line2_x2 = w_width/2 + radius*0.707
line2_y1 = line1_y1
line2_y2 = line1_y2
painter=QPainter()
painter.begin(self)
painter.setPen(QPen(Qt.black))
painter.drawLine(line1_x1, line1_y1, line1_x2, line1_y2) #cross
painter.drawLine(line2_x1, line2_y1, line2_x2, line2_y2)
painter.drawEllipse(start_x,start_y , (radius*2), (radius*2))
if self.mouse_is_pressed == True:
painter.setBrush(Qt.blue)
rad = self.get_radius(w_width, w_height, self.cursor_pos)
pos = self.get_pos(w_width, w_height, self.cursor_pos)
if (radius < rad):
rad = radius
self.draw_arc(painter, w_width, w_height, pos, rad)
self.cur_nradius = rad*1.0/radius
self.cur_sector = pos
else:
self.cur_nradius = 0.0
self.cur_sector = 0.0
painter.end()
#print self.mouse_is_pressed
pass
def paintEvent(self, event):
with self.lock:
if self.status == 1:
color = self._SUCCESS_COLOR
elif self.status == 2:
color = self._WARN_COLOR
else:
color = self._UNKNOWN_COLOR
rect = event.rect()
qp = QPainter()
qp.begin(self)
radius = min(rect.width(), rect.height()) - 100
qp.setFont(QFont('Helvetica', 100))
qp.setPen(QPen(QBrush(color), 50))
qp.setBrush(color)
qp.drawEllipse((rect.width() - radius) / 2, (rect.height() - radius) / 2,
radius, radius)
qp.end()
return
def paintEvent(self, event):
with self.lock:
if self.status == 1:
color = self._SUCCESS_COLOR
elif self.status == 2:
color = self._WARN_COLOR
else:
color = self._UNKNOWN_COLOR
rect = event.rect()
qp = QPainter()
qp.begin(self)
radius = min(rect.width(), rect.height()) - 100
qp.setFont(QFont('Helvetica', 100))
qp.setPen(QPen(QBrush(color), 50))
qp.setBrush(color)
qp.drawEllipse((rect.width() - radius) / 2,
(rect.height() - radius) / 2, radius, radius)
qp.end()
return
def writeLocationsToFile(self):
out_dict = {}
out_dict["locations"] = self.locations.keys()
out_dict["locations"] = sorted(out_dict["locations"])
out_dict["polygons"] = []
for index, key in enumerate(sorted(self.locations)):
out_dict["polygons"].append([])
polygon = self.locations[key]
for i in range(polygon.size()):
pt = polygon.point(i)
scaled_pt = scalePoint(pt, self.image_size, self.map_size)
out_dict["polygons"][index].append(scaled_pt.x())
out_dict["polygons"][index].append(scaled_pt.y())
data_directory = os.path.dirname(os.path.realpath(self.location_file))
image_file = getLocationsImageFileLocationFromDataDirectory(
data_directory)
# Create an image with the location data, so that C++ programs don't need to rely on determining regions using polygons.
out_dict["data"] = 'locations.pgm'
location_image = QImage(self.map_size, QImage.Format_RGB32)
location_image.fill(Qt.white)
painter = QPainter(location_image)
for index, key in enumerate(self.locations):
if index > 254:
rospy.logerr(
"You have more than 254 locations, which is unsupported by the bwi_planning_common C++ code!"
)
painter.setPen(Qt.NoPen)
painter.setBrush(QColor(index, index, index))
scaled_polygon = scalePolygon(self.locations[key], self.image_size,
self.map_size)
painter.drawPolygon(scaled_polygon)
painter.end()
location_image.save(image_file)
stream = open(self.location_file, 'w')
yaml.dump(out_dict, stream)
stream.close()
self.is_modified = False
def paintEvent(self, event):
painter = QPainter(self)
#painter.begin(self)
# puts the arrow in the middle
painter.translate(self.width() / 2, self.height() / 2)
painter.rotate(self.angleRobo + self.angleVel)
line = QLineF(0, 0, self.width() / 2 - 3, 0)
headSize = min(self.width() / 20, 4)
points = QPolygonF()
points.append(QPointF(self.width() / 2 - headSize * 2, headSize))
points.append(QPointF(self.width() / 2 - headSize * 2, -headSize))
points.append(QPointF(self.width() / 2 - 3, 0))
pen = QPen(self.color, 2)
painter.setPen(pen)
brush = QBrush(self.color)
painter.setBrush(brush)
painter.drawLine(line)
painter.drawConvexPolygon(points)
def writeLocationsToFile(self):
out_dict = {}
out_dict["locations"] = self.locations.keys()
out_dict["polygons"] = []
for index, location in enumerate(self.locations):
out_dict["polygons"].append([])
for i in range(self.locations[location].size()):
pt = self.locations[location].point(i)
scaled_pt = scalePoint(pt, self.image_size, self.map_size)
out_dict["polygons"][index].append(scaled_pt.x())
out_dict["polygons"][index].append(scaled_pt.y())
data_directory = os.path.dirname(os.path.realpath(self.location_file))
image_file = getLocationsImageFileLocationFromDataDirectory(data_directory)
# Create an image with the location data, so that C++ programs don't need to rely on determining regions using polygons.
out_dict["data"] = 'locations.pgm'
location_image = QImage(self.map_size, QImage.Format_RGB32)
location_image.fill(Qt.white)
painter = QPainter(location_image)
for index, location in enumerate(self.locations):
if index > 254:
rospy.logerr("You have more than 254 locations, which is unsupported by the bwi_planning_common C++ code!")
painter.setPen(Qt.NoPen)
painter.setBrush(QColor(index, index, index))
scaled_polygon = scalePolygon(self.locations[location], self.image_size, self.map_size)
painter.drawPolygon(scaled_polygon)
painter.end()
location_image.save(image_file)
stream = open(self.location_file, 'w')
yaml.dump(out_dict, stream)
stream.close()
self.is_modified = False
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()
def paintEvent(self, event):
qp = QPainter(self)
br = QBrush(QColor(100, 10, 10, 40))
qp.setBrush(br)
qp.drawRect(QtCore.QRect(self.begin, self.end))
def drawCircle(self, pnt, color, fill=True):
p = QPainter(self)
p.setPen(color)
if (fill):
p.setBrush(QBrush(color))
p.drawEllipse(pnt, 3, 3)
