def decorate_welcome_icon(icon, background_color):
# type: (QIcon, Union[QColor, str]) -> QIcon
"""Return a `QIcon` with a circle shaped background.
"""
welcome_icon = QIcon()
sizes = [32, 48, 64, 80, 128, 256]
background_color = NAMED_COLORS.get(background_color, background_color)
background_color = QColor(background_color)
grad = radial_gradient(background_color)
for size in sizes:
icon_size = QSize(int(5 * size / 8), int(5 * size / 8))
icon_rect = QRect(QPoint(0, 0), icon_size)
pixmap = QPixmap(size, size)
pixmap.fill(Qt.transparent)
p = QPainter(pixmap)
p.setRenderHint(QPainter.Antialiasing, True)
p.setBrush(QBrush(grad))
p.setPen(Qt.NoPen)
ellipse_rect = QRect(0, 0, size, size)
p.drawEllipse(ellipse_rect)
icon_rect.moveCenter(ellipse_rect.center())
icon.paint(
p,
icon_rect,
Qt.AlignCenter,
)
p.end()
welcome_icon.addPixmap(pixmap)
return welcome_icon
def decorate_welcome_icon(icon, background_color):
"""Return a `QIcon` with a circle shaped background.
"""
welcome_icon = QIcon()
sizes = [32, 48, 64, 80]
background_color = NAMED_COLORS.get(background_color, background_color)
background_color = QColor(background_color)
grad = radial_gradient(background_color)
for size in sizes:
icon_pixmap = icon.pixmap(5 * size / 8, 5 * size / 8)
icon_size = icon_pixmap.size()
icon_rect = QRect(QPoint(0, 0), icon_size)
pixmap = QPixmap(size, size)
pixmap.fill(QColor(0, 0, 0, 0))
p = QPainter(pixmap)
p.setRenderHint(QPainter.Antialiasing, True)
p.setBrush(QBrush(grad))
p.setPen(Qt.NoPen)
ellipse_rect = QRect(0, 0, size, size)
p.drawEllipse(ellipse_rect)
icon_rect.moveCenter(ellipse_rect.center())
p.drawPixmap(icon_rect.topLeft(), icon_pixmap)
p.end()
welcome_icon.addPixmap(pixmap)
return welcome_icon
def decorate_welcome_icon(icon, background_color):
"""Return a `QIcon` with a circle shaped background.
"""
welcome_icon = QIcon()
sizes = [32, 48, 64, 80, 128, 256]
background_color = NAMED_COLORS.get(background_color, background_color)
background_color = QColor(background_color)
grad = radial_gradient(background_color)
for size in sizes:
icon_size = QSize(5 * size / 8, 5 * size / 8)
icon_rect = QRect(QPoint(0, 0), icon_size)
pixmap = QPixmap(size, size)
pixmap.fill(Qt.transparent)
p = QPainter(pixmap)
p.setRenderHint(QPainter.Antialiasing, True)
p.setBrush(QBrush(grad))
p.setPen(Qt.NoPen)
ellipse_rect = QRect(0, 0, size, size)
p.drawEllipse(ellipse_rect)
icon_rect.moveCenter(ellipse_rect.center())
icon.paint(p, icon_rect, Qt.AlignCenter, )
p.end()
welcome_icon.addPixmap(pixmap)
return welcome_icon
def crosshairs(color, radius=24, circle=False):
radius = max(radius, 16)
pixmap = QPixmap(radius, radius)
pixmap.fill(Qt.transparent)
painter = QPainter()
painter.begin(pixmap)
painter.setRenderHints(QPainter.Antialiasing)
pen = QPen(QBrush(color), 1)
pen.setWidthF(1.5)
painter.setPen(pen)
if circle:
painter.drawEllipse(2, 2, radius - 2, radius - 2)
painter.drawLine(radius / 2, 7, radius / 2, radius / 2 - 7)
painter.drawLine(7, radius / 2, radius / 2 - 7, radius / 2)
painter.end()
return pixmap
def crosshairs(color, radius=24, circle=False):
radius = max(radius, 16)
pixmap = QPixmap(radius, radius)
pixmap.fill(Qt.transparent)
painter = QPainter()
painter.begin(pixmap)
painter.setRenderHints(QPainter.Antialiasing)
pen = QPen(QBrush(color), 1)
pen.setWidthF(1.5)
painter.setPen(pen)
if circle:
painter.drawEllipse(2, 2, radius - 2, radius - 2)
painter.drawLine(radius / 2, 7, radius / 2, radius / 2 - 7)
painter.drawLine(7, radius / 2, radius / 2 - 7, radius / 2)
painter.end()
return pixmap
def picture_this_level():
# Create a QPicture drawing the contribution from this
# level only. This is all regions where the contingency is
# not empty and does not have a computed sub-contingency
# (i.e. the node does not have a child in that cell).
pic = QPicture()
painter = QPainter(pic)
ctng = node.contingencies
colors = create_image(ctng, palette, scale=scale)
x, y, w, h = node.brect
N, M = ctng.shape[:2]
# Nonzero contingency mask
any_mask = Node_mask(node)
if node.is_leaf:
skip = itertools.repeat(False)
else:
# Skip all None children they were already painted.
skip = (ch is not None for ch in node.children.flat)
painter.save()
painter.translate(x, y)
painter.scale(w / node.nbins, h / node.nbins)
indices = itertools.product(range(N), range(M))
for (i, j), skip, any_ in zip(indices, skip, any_mask.flat):
if not skip and any_:
painter.setBrush(QColor(*colors[i, j]))
if shape == Rect:
painter.drawRect(i, j, 1, 1)
elif shape == Circle:
painter.drawEllipse(i, j, 1, 1)
elif shape == RoundRect:
painter.drawRoundedRect(i, j, 1, 1, 25.0, 25.0,
Qt.RelativeSize)
painter.restore()
painter.end()
return pic
