def paint(self, painter: QPainter, option, widget):
pen = QPen(self.color, self.penWidth)
if self.isSelected():
pen.setStyle(Qt.DashLine)
pen.setCosmetic(True)
painter.setPen(pen)
painter.drawRect(self.rect())
def __init__(
self,
image: ScaledImageItem,
data: np.ndarray,
pen: QtGui.QPen = None,
font: QtGui.QFont = None,
parent: QtWidgets.QGraphicsItem = None,
):
super().__init__(image, parent)
if pen is None:
pen = QtGui.QPen(QtCore.Qt.white, 2.0, QtCore.Qt.DotLine)
pen.setCosmetic(True)
pen.setCapStyle(QtCore.Qt.RoundCap)
if font is None:
font = QtGui.QFont()
self.image_data = data
self.sliced: Optional[np.ndarray] = None
self.pen = pen
self.font = font
self.line = QtCore.QLineF()
self.poly = QtGui.QPolygonF()
self.action_copy_to_clipboard = qAction(
"insert-text",
"Copy To Clipboard",
"Copy slice values to the clipboard.",
self.actionCopyToClipboard,
)
def addMark(self, new_mark: SliderMark, update: bool = True):
"""Adds a marked value to the slider.
Args:
new_mark: value to mark
update: Whether to redraw slider with new mark.
Returns:
None.
"""
# check if mark is within slider range
if new_mark.val > self._val_max:
return
if new_mark.val < self._val_min:
return
self._marks.add(new_mark)
v_top_pad = self._header_height + 1
v_bottom_pad = 1
v_top_pad += new_mark.top_pad
v_bottom_pad += new_mark.bottom_pad
width = new_mark.visual_width
v_offset = v_top_pad
if new_mark.type == "track":
v_offset += self._get_track_vertical_pos(
*self._get_track_column_row(new_mark.row)
)
height = new_mark.get_height(
container_height=self.box_rect.height() - self._header_height
)
color = new_mark.QColor
pen = QPen(color, 0.5)
pen.setCosmetic(True)
brush = QBrush(color) if new_mark.filled else QBrush()
line = self.scene.addRect(-width // 2, v_offset, width, height, pen, brush)
self._mark_items[new_mark] = line
if new_mark.type == "tick":
# Show tick mark behind other slider marks
self._mark_items[new_mark].setZValue(0)
# Add a text label to show in header area
mark_label_text = (
f"{new_mark.val + self.tick_index_offset:g}" # sci notation if large
)
self._mark_labels[new_mark] = self.scene.addSimpleText(
mark_label_text, self._base_font
)
else:
# Show in front of tick marks
self._mark_items[new_mark].setZValue(1)
if update:
self._update_visual_positions()
def create_pens(self):
pen = QPen(QColor("#33434B"), 3)
pen.setCosmetic(True) # makes pen size zoom independent
self.link_pen = pen
pen = QPen(QColor("#5A667A"), self.room_size)
pen.setCosmetic(True) # makes pen size zoom independent
self.room_pen = pen
pen = QPen(QColor("#FF0266"), self.ant_size)
pen.setCosmetic(True) # makes pen size zoom independent
self.ant_pen = pen
pen = QPen(QColor("#AAAAAA"), 1)
self.text_pen = pen
pen = QPen(QColor("#20FF20"), 1)
self.special_text_pen = pen
# create path pens
ant_colors = ["#FF008D", "#FF00FF", "#FFE100", "#FF0000"]
self.solution_path_pens = [
QPen(QColor(color).darker(100), 3) for color in ant_colors
]
for pen in self.solution_path_pens:
pen.setCosmetic(True)
self.ant_pens = [
QPen(QColor(color), self.ant_size) for color in ant_colors
]
for pen in self.ant_pens:
pen.setCosmetic(True)
def __init__(
self,
image: ScaledImageItem,
pen: QtGui.QPen = None,
font: QtGui.QFont = None,
unit: str = "μm",
parent: QtWidgets.QGraphicsItem = None,
):
super().__init__(image, None, parent)
if pen is None:
pen = QtGui.QPen(QtCore.Qt.white, 2.0)
pen.setCosmetic(True)
pen.setStyle(QtCore.Qt.DashLine)
pen.setCapStyle(QtCore.Qt.RoundCap)
if font is None:
font = QtGui.QFont()
self.pen = pen
self.font = font
self.text = ""
self.unit = unit
self.line = QtCore.QLineF()
def doubleBufferPaint(self, buffer=None):
self.blockSignals(True)
#self.drawFrame(painter)
if buffer is None:
buffer = QImage(self.width(), self.height(), QImage.Format_RGB888)
buffer.fill(Qt.black)
# calculate offset and scale of droplet image pixmap
scale_x, scale_y, offset_x, offset_y = self.get_from_image_transform()
db_painter = QPainter(buffer)
db_painter.setRenderHints(QPainter.Antialiasing
| QPainter.NonCosmeticDefaultPen)
db_painter.setBackground(QBrush(Qt.black))
db_painter.setPen(QPen(Qt.black, 0))
db_painter.drawPixmap(offset_x, offset_y, self._pixmap)
pen = QPen(Qt.magenta, 1)
pen_fine = QPen(Qt.blue, 1)
pen.setCosmetic(True)
db_painter.setPen(pen)
# draw droplet outline and tangent only if evaluate_droplet was successful
if self._droplet.is_valid:
try:
# transforming true image coordinates to scaled pixmap coordinates
db_painter.translate(offset_x, offset_y)
db_painter.scale(scale_x, scale_y)
# drawing tangents and baseline
db_painter.drawLine(*self._droplet.line_l)
db_painter.drawLine(*self._droplet.line_r)
db_painter.drawLine(*self._droplet.int_l, *self._droplet.int_r)
# move origin to ellipse origin
db_painter.translate(*self._droplet.center)
# draw diagnostics
# db_painter.setPen(pen_fine)
# # lines parallel to coordinate axes
# db_painter.drawLine(0,0,20*scale_x,0)
# db_painter.drawLine(0,0,0,20*scale_y)
# # angle arc
# db_painter.drawArc(-5*scale_x, -5*scale_y, 10*scale_x, 10*scale_y, 0, -self._droplet.tilt_deg*16)
# rotate coordinates to ellipse tilt
db_painter.rotate(self._droplet.tilt_deg)
# draw ellipse
# db_painter.setPen(pen)
db_painter.drawEllipse(-self._droplet.maj / 2,
-self._droplet.min / 2,
self._droplet.maj, self._droplet.min)
# # major and minor axis for diagnostics
# db_painter.drawLine(0, 0, self._droplet.maj/2, 0)
# db_painter.drawLine(0, 0, 0, self._droplet.min/2)
except Exception as ex:
logging.error(ex)
db_painter.end()
self.blockSignals(False)
return buffer
def paint(self, painter: QPainter, option: QStyleOptionGraphicsItem,
widget: Optional[QWidget]) -> None:
if self.is_on_selected_path:
pen = QPen(QColor("green"), 5)
pen.setCosmetic(True)
painter.setPen(pen)
painter.drawLine(self.ix, self.iy, self.jx, self.jy)
else:
pen = QPen(Qt.gray)
pen.setWidth(2)
pen.setCosmetic(True)
painter.setPen(pen)
painter.drawLine(self.ix, self.iy, self.jx, self.jy)
def paint(self,
painter=QPainter,
option=QStyleOptionGraphicsItem,
widget=QWidget):
corners = 5
body = self.boundingRect()
height = body.height()
width = body.width()
percentage = height / 10
painter.setRenderHint(QPainter.Antialiasing)
path = QPainterPath()
path.addRoundedRect(body, corners, corners)
pen = QPen(QColor(255, 255, 255, 100),
3) if self.hover and not self.isPressed else QPen(
Qt.black, 0.1)
pen.setJoinStyle(Qt.RoundJoin)
pen.setCosmetic(True)
painter.setPen(pen)
painter.fillPath(path, self._model["bgColor"])
painter.drawPath(path)
if not self.isPressed:
grad = QLinearGradient(0, height, 0, height - percentage)
grad.setColorAt(0, QColor(175, 175, 175, 255))
grad.setColorAt(1, QColor(175, 175, 175, 0))
path = QPainterPath()
path.addRoundedRect(body, corners, corners)
painter.setCompositionMode(QPainter.CompositionMode_Multiply)
painter.setPen(Qt.NoPen)
painter.fillPath(path, grad)
painter.drawPath(path)
grad = QLinearGradient(0, percentage, 0, 0)
grad.setColorAt(1, QColor(255, 255, 255, 255))
grad.setColorAt(0, QColor(255, 255, 255, 0))
path = QPainterPath()
path.addRoundedRect(body, corners, corners)
painter.setCompositionMode(QPainter.CompositionMode_Overlay)
painter.setPen(Qt.NoPen)
painter.fillPath(path, grad)
painter.drawPath(path)
painter.setCompositionMode(QPainter.CompositionMode_Source)
else:
path = QPainterPath()
path.addRoundedRect(body, corners, corners)
painter.setCompositionMode(QPainter.CompositionMode_Overlay)
painter.setPen(Qt.NoPen)
painter.fillPath(path, QColor(255, 255, 255))
painter.drawPath(path)
painter.setCompositionMode(QPainter.CompositionMode_Source)
super(ButtonNode, self).paint(painter, option, widget)
def paintEvent(self, ev):
"""
Manually implemented paint event
:param ev: the QT paint event
:return:
"""
h = self.height()
w = self.width()
p = QPainter(self)
p.setClipRect(ev.region().boundingRect())
pen = QPen(QColor(0, 0, 0))
pen.setWidth(4)
ls = QFontMetricsF(p.font()).lineSpacing()
for idx, t in enumerate(sorted(list(self._loadData.keys()))):
y = 10 + idx * ls
pen.setColor(ThreadToColor.singleton.get(t))
p.setPen(pen)
p.drawLine(QLineF(15, y, 15 + 15, y))
pen.setColor(QColor(0, 0, 0))
p.setPen(pen)
p.drawText(QPointF(35, y), t)
if len(self._loadData) > 0:
right = max([
polygon[polygon.count() - 1].x()
for _, polygon in self._loadData.items()
])
else:
right = 0.0
p.translate(w - 10 - right * 20, h - 10)
p.scale(
20, -(h - 20)
) # x direction: 20 pixels per second, y direction: spread between 10 and h-10
topleft = p.transform().inverted()[0].map(QPointF(10, 10))
pen.setWidthF(0)
pen.setCosmetic(True)
left = topleft.x()
p.setRenderHint(QPainter.Antialiasing, True)
p.setPen(pen)
p.drawLine(QLineF(left, 0, right, 0))
p.drawLine(QLineF(left, 0, left, 1))
idx = 0
for t, polygon in self._loadData.items():
pen.setColor(ThreadToColor.singleton.get(t))
p.setPen(pen)
p.drawPolyline(polygon)
p.end()
def test_cosmetic_pen_with_dashes(self, p, opd):
pen = QPen()
pen.setDashPattern([2, 1])
pen.setCosmetic(True)
pen.setWidth(5)
p.setPen(pen)
p.scale(10, 10)
path = QPainterPath()
path.moveTo(0, 0)
path.lineTo(3, 0)
p.drawPath(path)
assert [(colour, lines)
for (colour, width, lines) in opd.getOutlines()] == [
((0.0, 0.0, 0.0, 1.0), [(0.0, 0.0), (1.0, 0.0)]),
((0.0, 0.0, 0.0, 1.0), [(1.5, 0.0), (2.5, 0.0)]),
]
def paint(self, painter: QPainter, option: QStyleOptionGraphicsItem,
widget: Optional[QWidget]) -> None:
# Draw a circle for the node
pen = QPen(Qt.gray)
pen.setWidth(2)
pen.setCosmetic(True)
# Combine ideas from these code samples to draw items at a fixed size:
# https://stackoverflow.com/questions/1222914/qgraphicsview-and-qgraphicsitem-don%C2%B4t-scale-item-when-scaling-the-view-rect
# https://www.qtcentre.org/threads/28691-Scale-independent-QGraphicsItem
object_rect = self.boundingRect()
mapped_rect = painter.transform().mapRect(object_rect)
width_ratio = object_rect.width() / mapped_rect.width()
scale_factor = max(1, width_ratio)
painter.setPen(pen)
painter.setBrush(Qt.gray)
scaled_diameter = self.diameter * scale_factor
painter.drawEllipse((self.x - scaled_diameter / 2),
(self.y - scaled_diameter / 2), scaled_diameter,
scaled_diameter)
# Draw text for the node name
label_path = QPainterPath()
label_font = QFont("Calibri", 10 * scale_factor)
label_path.addText(self.x, -self.y - self.diameter / 2, label_font,
self.name)
painter.scale(1.0, -1.0)
painter.setBrush(Qt.blue)
painter.setPen(Qt.NoPen)
painter.drawPath(label_path)
def __init__(
self,
orientation=-1, # for compatibility with QSlider
min=0,
max=1,
val=0,
marks=None,
*args,
**kwargs,
):
super(VideoSlider, self).__init__(*args, **kwargs)
self.scene = QtWidgets.QGraphicsScene()
self.setScene(self.scene)
self.setAlignment(QtCore.Qt.AlignLeft | QtCore.Qt.AlignTop)
self.setSizePolicy(QtWidgets.QSizePolicy.Expanding,
QtWidgets.QSizePolicy.Fixed)
self.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOn)
self.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
self.setMouseTracking(True)
self._get_val_tooltip = None
self.tick_index_offset = 1
self.zoom_factor = 1
self._track_rows = 0
self._track_height = 5
self._max_tracks_stacked = 120
self._track_stack_skip_count = 10
self._header_label_height = 20
self._header_graph_height = 40
self._header_height = self._header_label_height # room for frame labels
self._min_height = 19 + self._header_height
self._base_font = QtGui.QFont()
self._base_font.setPixelSize(10)
self._tick_marks = []
# Add border rect
outline_rect = QtCore.QRectF(0, 0, 200, self._min_height - 3)
self.box_rect = outline_rect
# self.outlineBox = self.scene.addRect(outline_rect)
# self.outlineBox.setPen(QPen(QColor("black", alpha=0)))
# Add drag handle rect
self._handle_width = 6
handle_rect = QtCore.QRect(0, self._handle_top, self._handle_width,
self._handle_height)
self.setMinimumHeight(self._min_height)
self.setMaximumHeight(self._min_height)
self.handle = self.scene.addRect(handle_rect)
self.handle.setPen(QPen(QColor(80, 80, 80)))
self.handle.setBrush(QColor(128, 128, 128, 128))
# Add (hidden) rect to highlight selection
self.select_box = self.scene.addRect(
QtCore.QRect(0, 1, 0,
outline_rect.height() - 2))
self.select_box.setPen(QPen(QColor(80, 80, 255)))
self.select_box.setBrush(QColor(80, 80, 255, 128))
self.select_box.hide()
self.zoom_box = self.scene.addRect(
QtCore.QRect(0, 1, 0,
outline_rect.height() - 2))
self.zoom_box.setPen(QPen(QColor(80, 80, 80, 64)))
self.zoom_box.setBrush(QColor(80, 80, 80, 64))
self.zoom_box.hide()
self.scene.setBackgroundBrush(QBrush(QColor(200, 200, 200)))
self.clearSelection()
self.setEnabled(True)
self.setMinimum(min)
self.setMaximum(max)
self.setValue(val)
self.setMarks(marks)
pen = QPen(QColor(80, 80, 255), 0.5)
pen.setCosmetic(True)
self.poly = self.scene.addPath(QPainterPath(), pen,
self.select_box.brush())
self.headerSeries = dict()
self._draw_header()
def paintEvent(self, ev):
"""
Manually implemented paint event of the time / occupancy diagram.
:param ev: the qt paint event
:return:
"""
bgcolor = self.palette().color(self.backgroundRole())
h = self.height()
w = self.width()
p = QPainter(self)
p.setClipRect(ev.region().boundingRect())
pen = QPen(QColor(0, 0, 0))
pen.setWidth(0)
pen.setCosmetic(True)
ls = QFontMetricsF(p.font()).lineSpacing()
maxx = 0
minx = None
for t in sorted(list(self._spanData.keys())):
for port in sorted(list(self._spanData[t].keys())):
sd = self._spanData[t][port]
maxx = np.maximum(maxx, np.max(sd))
minx = np.minimum(
minx, np.min(sd)) if minx is not None else np.min(sd)
scalex = 1e-9 * 200 # 200 pixels / second
# (maxx-minx)*scalex + offx = w-10
if minx is None:
return
offx = w - 10 - (maxx - minx) * scalex
idx = 0
self.portYCoords = []
for t in sorted(list(self._spanData.keys())):
for port in sorted(list(self._spanData[t].keys())):
pen.setColor(QColor(0, 0, 0))
p.setPen(pen)
y = 10 + idx * ls
self.portYCoords.append((t, port, y - ls / 2, y))
idx += 1
sd = self._spanData[t][port]
for i in range(sd.shape[0]):
x1, x2 = sd[i, :]
x1 = (x1 - minx) * scalex + offx
x2 = (x2 - minx) * scalex + offx
color = ThreadToColor.singleton.get(t)
color.setAlpha(125)
p.fillRect(QRectF(x1, y - ls / 2, x2 - x1, ls / 2), color)
p.drawRect(QRectF(x1, y - ls / 2, x2 - x1, ls / 2))
pen = QPen(QColor(40, 40, 40))
pen.setWidth(0)
pen.setCosmetic(True)
pen.setStyle(Qt.DashLine)
p.setPen(pen)
for x in range(w - 10, -1, -20):
p.drawLine(x, 10, x, h - 10)
idx = 0
pen.setStyle(Qt.SolidLine)
p.setPen(pen)
for t in sorted(list(self._spanData.keys())):
for port in sorted(list(self._spanData[t].keys())):
y = 10 + idx * ls
idx += 1
br = QFontMetricsF(p.font()).boundingRect(port)
br.translate(10, y)
p.fillRect(br, bgcolor)
p.drawText(10, y, port)
p.end()