def initUI(self):
self.col = QColor(0, 0, 0)
redb = QPushButton('Red', self)
redb.setCheckable(True)
redb.move(10, 10)
redb.clicked[bool].connect(self.setColor)
greenb = QPushButton('Green', self)
greenb.setCheckable(True)
greenb.move(10, 60)
greenb.clicked[bool].connect(self.setColor)
blueb = QPushButton('Blue', self)
blueb.setCheckable(True)
blueb.move(10, 110)
blueb.clicked[bool].connect(self.setColor)
self.square = QFrame(self)
self.square.setGeometry(150, 20, 100, 100)
self.square.setStyleSheet("QWidget { background-color: %s }" %
self.col.name())
self.setGeometry(300, 300, 300, 250)
self.setWindowTitle('Toggle button')
self.show()
def dark_palette():
p = QPalette()
disabled_color = QColor(127, 127, 127)
p.setColor(QPalette.ColorRole.Window, dark_color)
p.setColor(QPalette.ColorRole.WindowText, dark_text_color)
p.setColor(QPalette.ColorRole.Base, QColor(18, 18, 18))
p.setColor(QPalette.ColorRole.AlternateBase, dark_color)
p.setColor(QPalette.ColorRole.ToolTipBase, dark_color)
p.setColor(QPalette.ColorRole.ToolTipText, dark_text_color)
p.setColor(QPalette.ColorRole.Text, dark_text_color)
p.setColor(QPalette.ColorGroup.Disabled, QPalette.ColorRole.Text,
disabled_color)
p.setColor(QPalette.ColorRole.Button, dark_color)
p.setColor(QPalette.ColorRole.ButtonText, dark_text_color)
p.setColor(QPalette.ColorGroup.Disabled, QPalette.ColorRole.ButtonText,
disabled_color)
p.setColor(QPalette.ColorRole.BrightText, Qt.GlobalColor.red)
p.setColor(QPalette.ColorRole.Link, dark_link_color)
p.setColor(QPalette.ColorRole.Highlight, QColor(0x0b, 0x45, 0xc4))
p.setColor(QPalette.ColorRole.HighlightedText, dark_text_color)
p.setColor(QPalette.ColorGroup.Disabled,
QPalette.ColorRole.HighlightedText, disabled_color)
return p
def getIcon(path):
pixmap = QPixmap(path)
mask = pixmap.createMaskFromColor(QColor('blue'), QtCore.Qt.MaskMode.MaskOutColor)
pixmap.fill((QColor(color)))
pixmap.setMask(mask)
return QtGui.QIcon(pixmap)
def setupColors(self):
self.color = self.primaryColor
self.backgroundColor = self.secondaryColor
self.animation = QVariantAnimation(
startValue=QColor(*self.primaryColor),
endValue=QColor(*self.secondaryColor),
valueChanged=self.onHover,
duration=400)
self.borderColor = self.primaryColor
def paint_background(self, painter):
br = 12 # border_radius
bw = 1 # border_width
c = QColor('#fdfd96')
p = QPainterPath()
p.addRoundedRect(QRectF(self.rect()), br, br)
painter.fillPath(p, c)
p.addRoundedRect(
QRectF(self.rect()).adjusted(bw, bw, -bw, -bw), br, br)
painter.fillPath(p, QColor('black'))
def __init__(self, parent):
QStyledItemDelegate.__init__(self, parent)
pal = parent.palette()
self.frames = RotatingIcon(frames=NUM_FRAMES,
icon_size=ICON_SIZE).frames
self.frame_number = 0
self.dark = pal.color(QPalette.ColorRole.Text)
self.light = pal.color(QPalette.ColorRole.Base)
self.highlighted_text = QColor(
color('tab tree current foreground', Qt.GlobalColor.white))
self.current_background = QBrush(
QColor(color('tab tree current background', Qt.GlobalColor.black)))
def __init__(self) -> None:
super().__init__()
self._initialized = False # type: bool
self._light_position = Vector(0, 0, 0) # type: Vector
self._background_color = QColor(128, 128, 128) # type: QColor
self._viewport_width = 0 # type: int
self._viewport_height = 0 # type: int
self._window_width = 0 # type: int
self._window_height = 0 # type: int
self._batches = [] # type: List[RenderBatch]
self._named_batches = {} # type: Dict[str, RenderBatch]
self._quad_buffer = None # type: QOpenGLBuffer
def __init__(self, parent: 'TableView', df: pd.DataFrame = None):
super().__init__(parent)
self._df = pd.DataFrame()
self._df_orig = pd.DataFrame()
self._df_pre_dyn_filter = None
self._resort = lambda: None # Null resort functon
self._cols = []
self.view = parent
self.table_widget = self.view.parent # sketch - could also be dlgs.TableDialog
self.formats = parent.formats
self.highlight_funcs = parent.highlight_funcs
self.m_display = {} # type: Dict[str, Dict[int, Any]]
self.m_color_bg = {} # type: Dict[str, Dict[int, Any]]
self.m_color_text = {} # type: Dict[str, Dict[int, Any]]
self.current_row = -1
self.highlight_rows = True
self.selection_color = QColor(cf.config['color']['bg']['yellowrow'])
self.display_color = True
self.color_enabled = False
self.set_queue()
self._queue_locked = False
self.alignments = {}
self.block_resort_style = False
if not df is None:
self.set_df(df=df)
def drawPolygon(self, polygons):
for polygon in polygons:
xy = []
for p in polygon[:-1]:
x = self.evaluate(p.getX() + self.widget.width() / 2)
y = self.evaluate(-p.getY() + self.widget.height() / 2)
xy.append(QPoint(x, y))
self.setBrush(QColor(polygon[-1][0]))
if self.widget.camera.controler.mode:
self.setPen(QColor(polygon[-1][0]))
else:
self.setPen(QColor('white'))
super().drawPolygon(QPolygon(xy))
self.setPen(QColor('white'))
def set_color(style_vals: List[Tuple[str]], i: int) -> Union[QColor, str]:
"""Convert list of tuples of colors to single color value
- may only have background-color, not color
Parameters
----------
style_vals : List[Tuple[str]]
list of [('background-color', '#E4E4E4'),]
i : int
either first or last background-color/color tuple
Returns
-------
Union[QColor, str]
single color QColor val or str eg '#E4E4E4'
"""
try:
# style_vals can be [] sometimes?
if style_vals:
color = style_vals[i][1]
color_out = color if not color == '' else None
return QColor(color_out) if as_qt and not color_out is None else color_out
except Exception:
log.warning(f'Failed to get style from: {style_vals}')
return None
def paintEvent(self, ev):
p = QPainter(self)
c = color('tab tree background', None)
if c:
p.fillRect(ev.rect(), QColor(c))
p.end()
QWidget.paintEvent(self, ev)
def initUI(self):
col = QColor(0, 0, 0)
self.btn = QPushButton('Dialog', self)
self.btn.move(20, 20)
self.btn.clicked.connect(self.showDialog)
self.frm = QFrame(self)
self.frm.setStyleSheet("QWidget { background-color: %s }" % col.name())
self.frm.setGeometry(130, 22, 200, 200)
self.setGeometry(300, 300, 450, 350)
self.setWindowTitle('Color dialog')
self.show()
def update_statusbar(self,
msg: str = None,
warn: bool = False,
success: bool = False,
log_: bool = False,
*args) -> None:
"""Statusbar shows temporary messages that disappear on any context event"""
if not msg is None:
# allow warn or success status to be passed with msg as dict
if isinstance(msg, dict):
warn = msg.get('warn', False)
success = msg.get('success', False)
msg = msg.get('msg', None) # kinda sketch
if log_:
log.info(msg)
bar = self.statusBar()
self.prev_status = bar.currentMessage()
bar.showMessage(msg)
msg_lower = msg.lower()
if warn or 'warn' in msg_lower or 'error' in msg_lower:
color = '#ff5454' # '#fa7070'
elif success or 'success' in msg_lower:
color = '#70ff94'
else:
color = 'white'
palette = bar.palette()
palette.setColor(QPalette.ColorRole.WindowText, QColor(color))
bar.setPalette(palette)
self.app.processEvents()
def _setUniformValueDirect(self, uniform: int, value: Union[Vector, Matrix, Color, List[float], List[List[float]], float, int]) -> None:
if type(value) is Matrix:
cast(QOpenGLShaderProgram, self._shader_program).setUniformValue(uniform, self._matrixToQMatrix4x4(
cast(Matrix, value)))
elif type(value) is Vector:
value = cast(Vector, value)
cast(QOpenGLShaderProgram, self._shader_program).setUniformValue(uniform, QVector3D(value.x, value.y, value.z))
elif type(value) is Color:
value = cast(Color, value)
cast(QOpenGLShaderProgram, self._shader_program).setUniformValue(uniform,
QColor(round(value.r * 255), round(value.g * 255), round(value.b * 255), round(value.a * 255)))
elif type(value) is list and type(cast(List[List[float]], value)[0]) is list and len(
cast(List[List[float]], value)[0]) == 4:
value = cast(List[List[float]], value)
cast(QOpenGLShaderProgram, self._shader_program).setUniformValue(uniform,
self._matrixToQMatrix4x4(Matrix(value)))
elif type(value) is list and len(cast(List[float], value)) == 4:
value = cast(List[float], value)
cast(QOpenGLShaderProgram, self._shader_program).setUniformValue(uniform, QVector4D(value[0], value[1], value[2], value[3]))
elif type(value) is list and type(cast(List[List[float]], value)[0]) is list and len(cast(List[List[float]], value)[0]) == 2:
value = cast(List[List[float]], value)
cast(QOpenGLShaderProgram, self._shader_program).setUniformValueArray(uniform, [QVector2D(i[0], i[1]) for i in value])
elif type(value) is list and len(cast(List[float], value)) == 2:
value = cast(List[float], value)
cast(QOpenGLShaderProgram, self._shader_program).setUniformValue(uniform, QVector2D(value[0], value[1]))
elif type(value) is list and len(cast(List[float], value)) == 3:
value = cast(List[float], value)
cast(QOpenGLShaderProgram, self._shader_program).setUniformValue(uniform, QVector3D(value[0], value[1], value[2]))
else:
cast(QOpenGLShaderProgram, self._shader_program).setUniformValue(uniform, cast(Union[float, int], value))
class Example(QWidget):
def __init__(self):
super().__init__()
self.initUI()
def initUI(self):
self.col = QColor(0, 0, 0)
redb = QPushButton('Red', self)
redb.setCheckable(True)
redb.move(10, 10)
redb.clicked[bool].connect(self.setColor)
greenb = QPushButton('Green', self)
greenb.setCheckable(True)
greenb.move(10, 60)
greenb.clicked[bool].connect(self.setColor)
blueb = QPushButton('Blue', self)
blueb.setCheckable(True)
blueb.move(10, 110)
blueb.clicked[bool].connect(self.setColor)
self.square = QFrame(self)
self.square.setGeometry(150, 20, 100, 100)
self.square.setStyleSheet("QWidget { background-color: %s }" %
self.col.name())
self.setGeometry(300, 300, 300, 250)
self.setWindowTitle('Toggle button')
self.show()
def setColor(self, pressed):
source = self.sender()
if pressed:
val = 255
else:
val = 0
if source.text() == "Red":
self.col.setRed(val)
elif source.text() == "Green":
self.col.setGreen(val)
else:
self.col.setBlue(val)
self.square.setStyleSheet("QFrame { background-color: %s }" %
self.col.name())
def update_message(self):
tm = self.temporary_message
col = self.fg_color
bold = False
is_permanent = True
if tm.text and (tm.timeout == 0
or monotonic() - tm.start_time < tm.timeout):
text = tm.text
if tm.type == 'error':
col, bold = QColor('red'), True
elif tm.type == 'success':
col, bold = QColor('green'), True
self.update_timer.start()
is_permanent = False
else:
text = self.permanent_message
self.update_timer.stop()
self.msg.set_message(text, col, bold, is_permanent)
def mousePressEvent(self, event):
if event.buttons() == Qt.MouseButton.LeftButton and (self.parent().parent().drawLineAction.isChecked() \
or self.parent().parent().obsTb.line_newRecButton.isChecked()) and self.gLineItem == None:
self.setMouseTracking(True)
p1 = self.mapToScene(int(event.position().x()),
int(event.position().y()))
self.gLineItem = self.scene().addLine(QLineF(p1, p1))
r, g, b = np.random.choice(range(256), size=3)
self.gLineItem.setPen(QPen(QColor(0, 0, 0), self.labelSize / 7))
# self.gLineItem.setOpacity(0.25)
elif event.buttons() == Qt.MouseButton.LeftButton and (self.parent().parent().maskGenAction.isChecked() \
or self.parent().parent().obsTb.zone_newRecButton.isChecked()):
self.setMouseTracking(True)
p_clicked = self.mapToScene(int(event.position().x()),
int(event.position().y()))
if self.gPolyItem == None:
self.currentPoly = QPolygonF([p_clicked])
self.gPolyItem = self.scene().addPolygon(self.currentPoly)
r, g, b = np.random.choice(range(256), size=3)
self.gPolyItem.setPen(
QPen(QColor(r, g, b), self.labelSize / 10))
self.gPolyItem.setBrush(QBrush(QColor(r, g, b, 40)))
else:
self.currentPoly.append(p_clicked)
self.gPolyItem.setPolygon(self.currentPoly)
elif event.buttons() == Qt.MouseButton.LeftButton and self.parent(
).parent().drawPointAction.isChecked():
p = self.mapToScene(event.x(), event.y())
pointBbx = QRectF()
pointBbx.setSize(QSizeF(self.labelSize, self.labelSize))
pointBbx.moveCenter(p)
gPointItem = self.scene().addEllipse(
pointBbx, QPen(Qt.GlobalColor.white, 0.5),
QBrush(Qt.GlobalColor.black))
self.unsavedPoints.append(gPointItem)
self.scene().parent().drawPointAction.setChecked(False)
self.unsetCursor()
elif event.buttons() == Qt.MouseButton.LeftButton: #RightButton:
self.parent().parent().play()
def changeBrighteness(self, value):
#TODO: Reset the value of brightness, remember the original values
# as going back to 0, i.e. keep track of original image's values
#TODO: modify values based on original image
if (value < -255 | value > 255):
return self.image
for row_pixel in range(self.image.width()):
for col_pixel in range(self.image.height()):
current_val = QColor(self.image.pixel(row_pixel, col_pixel))
red = current_val.red()
green = current_val.green()
blue = current_val.blue()
new_red = red + value
new_green = green + value
new_blue = blue + value
# Set the new RGB values for the current pixel
if new_red > 255:
red = 255
elif new_red < 0:
red = 0
else:
red = new_red
if new_green > 255:
green = 255
elif new_green < 0:
green = 0
else:
green = new_green
if new_blue > 255:
blue = 255
elif new_blue < 0:
blue = 0
else:
blue = new_blue
new_value = qRgb(red, green, blue)
self.image.setPixel(row_pixel, col_pixel, new_value)
self.setPixmap(QPixmap().fromImage(self.image))
def headerData(self, section, orientation, role):
"""Specify the data displayed in the header given the
role, section, and orientation of each item."""
if role == Qt.ItemDataRole.DisplayRole:
if orientation == Qt.Orientation.Horizontal:
return self._headers[section]
if role == Qt.ItemDataRole.BackgroundRole:
blue_bg = QBrush(QColor("#6EEEF8"))
return blue_bg
def changeHue(self):
for row_pixel in range(self.image.width()):
for col_pixel in range(self.image.height()):
current_val = QColor(self.image.pixel(row_pixel, col_pixel))
hue = current_val.hue()
current_val.setHsv(hue, current_val.saturation(),
current_val.value(), current_val.alpha())
self.image.setPixelColor(row_pixel, col_pixel, current_val)
self.setPixmap(QPixmap().fromImage(self.image))
def paintEvent(self, ev):
painter = QPainter(self)
painter.setRenderHint(QPainter.RenderHint.TextAntialiasing)
f = painter.font()
f.setBold(True)
f.setPixelSize(self.height() - 1)
painter.setFont(f)
painter.setPen(QColor('red' if self.is_enabled else 'green'))
painter.drawText(self.rect(), Qt.AlignmentFlag.AlignCenter, 'Z')
painter.end()
def clearCanvas(self):
'''Clear canvas content.
Returns:
None
'''
pixmap = self.pixmap()
pixmap.fill(QColor(*self.backgroundColor))
self.setPixmap(pixmap)
class ColorImage(QQuickPaintedItem):
def __init__(self, parent=None):
super().__init__(parent)
self._source = QUrl()
self._color = QColor()
self._svg_data = b""
self._renderer = None
sourceChanged = pyqtSignal()
colorChanged = pyqtSignal()
def _updateSVG(self) -> None:
if not self._source or self._source.toLocalFile() == "":
return
try:
with open(self._source.toLocalFile(), "rb") as f:
self._svg_data = f.read()
except FileNotFoundError:
Logger.log(
"w",
f"Unable to find image located at {self._source.toLocalFile()}"
)
return
self._svg_data = self._svg_data.replace(
b"<svg ",
b"<svg fill=\"%s\" " % self._color.name().encode("utf-8"))
self._renderer = QSvgRenderer(self._svg_data)
self.update()
def setSource(self, source: QUrl) -> None:
if self._source != source:
self._source = source
self.sourceChanged.emit()
self._updateSVG()
@pyqtProperty(QUrl, fset=setSource, notify=sourceChanged)
def source(self) -> QUrl:
return self._source
def setColor(self, color: QColor) -> None:
if self._color != color:
self._color = color
self.colorChanged.emit()
self._updateSVG()
@pyqtProperty(QColor, fset=setColor, notify=colorChanged)
def color(self) -> QColor:
return self._color
def paint(self, painter: QPainter) -> None:
pixel_ratio = Application.getInstance().getMainWindow(
).effectiveDevicePixelRatio()
painter.scale(1 / pixel_ratio, 1 / pixel_ratio)
if self._renderer:
self._renderer.render(painter)
def RGBAtuple_to_RGBAQColor(tup):
if not isinstance(tup, tuple):
raise TypeError(f'Invalid argument type {type(tup)}, expected tuple')
if len(tup) < 3:
raise ValueError(
f'Missing RGBA values in tuple, {tup}, expected at least 3')
qcolor = QColor(*tup)
return qcolor
def __init__(self, parent = None):
super().__init__(parent)
# FIXME: As of time of writing, you can not reference flags by name in QT6
# You can find the list of flags by value here https://doc.qt.io/qt-6/qquickitem.html#Flag-enum
# This flag is QQuickItem::ItemHasContents
self.setFlag(QQuickItem.Flag(8))
self._arrow_size = 0
self._color = QColor(255, 255, 255, 255)
self._target = QPoint(0,0)
self._border_width = 0
self._border_color = QColor(0, 0, 0, 255)
self._geometry = None
self._material = None
self._node = None
self._border_geometry = None
self._border_material = None
self._border_node = None
def __init__(self, parent, sb_background):
QWidget.__init__(self, parent)
self.is_permanent = False
self.is_address = False
self.is_secure = False
self.static_text = None
self.current_key = None
self.setFocusPolicy(Qt.FocusPolicy.NoFocus)
self.sb_background = QColor(
color(sb_background,
self.palette().color(QPalette.ColorRole.Window)))
def add_widget(self, widget):
''' Add widget.'''
# Init background color before addWidget.
if not hasattr(self, "background_color"):
self.background_color = QColor(self.theme_background_color)
self.buffer_widget = widget
self.addWidget(self.buffer_widget)
self.buffer_widget.installEventFilter(self)
self.buffer_widget.buffer = self
def paintEvent(self, ev):
if not self.static_text or not self.static_text.text():
return
p = QPainter(self)
p.setRenderHint(QPainter.RenderHint.TextAntialiasing)
# If text is too long too fit, fade it out at the end
self.static_text.setTextWidth(self.rect().width())
sz = self.static_text.size()
r = self.rect()
p.drawStaticText(0,
int(r.height() - sz.height()) // 2, self.static_text)
if sz.width() > r.width():
g = QLinearGradient(QPointF(self.rect().topLeft()),
QPointF(self.rect().topRight()))
c = QColor(self.sb_background)
c.setAlpha(0)
g.setColorAt(0, c)
g.setColorAt(0.8, c)
g.setColorAt(1.0, self.sb_background)
p.fillRect(self.rect(), QBrush(g))
p.end()
def convertToSepia(self):
"""Convert image to sepia filter."""
#TODO: Sepia #704214 rgb(112, 66, 20)
#TODO: optimize speed that the image converts, or add to thread
if self.image.isNull() == False:
for row_pixel in range(self.image.width()):
for col_pixel in range(self.image.height()):
current_val = QColor(self.image.pixel(
row_pixel, col_pixel))
# Calculate r, g, b values for current pixel
red = current_val.red()
green = current_val.green()
blue = current_val.blue()
new_red = int(0.393 * red + 0.769 * green + 0.189 * blue)
new_green = int(0.349 * red + 0.686 * green + 0.168 * blue)
new_blue = int(0.272 * red + 0.534 * green + 0.131 * blue)
# Set the new RGB values for the current pixel
if new_red > 255:
red = 255
else:
red = new_red
if new_green > 255:
green = 255
else:
green = new_green
if new_blue > 255:
blue = 255
else:
blue = new_blue
new_value = qRgb(red, green, blue)
self.image.setPixel(row_pixel, col_pixel, new_value)
self.setPixmap(QPixmap().fromImage(self.image))
self.repaint()
def changeContrast(self, contrast):
"""Change the contrast of the pixels in the image.
Contrast is the difference between max and min pixel intensity."""
for row_pixel in range(self.image.width()):
for col_pixel in range(self.image.height()):
# Calculate a contrast correction factor
factor = float(259 * (contrast + 255) / (255 *
(259 - contrast)))
current_val = QColor(self.image.pixel(row_pixel, col_pixel))
red = current_val.red()
green = current_val.green()
blue = current_val.blue()
new_red = factor * (red - 128) + 128
new_green = factor * (green - 128) + 128
new_blue = factor * (blue - 128) + 128
new_value = qRgb(new_red, new_green, new_blue)
self.image.setPixel(row_pixel, col_pixel, new_value)
self.setPixmap(QPixmap().fromImage(self.image))
