def testSelection(self, data):
"""
Given a
Parameters
----------
data : (N, 2) array
Point coordinates
"""
if len(data) == 0:
return numpy.zeros(0, dtype=bool)
def contained(a, left, top, right, bottom):
assert left <= right and bottom <= top
x, y = a.T
return (x >= left) & (x <= right) & (y <= top) & (y >= bottom)
data = numpy.asarray(data)
selected = numpy.zeros(len(data), dtype=bool)
for p1, p2 in self.selection:
r = QRectF(p1, p2).normalized()
# Note the inverted top/bottom (Qt coordinate system)
selected |= contained(data, r.left(), r.bottom(),
r.right(), r.top())
return selected
def paintEvent(self, event):
crect = self.rect()
painter = QPainter(self)
painter.setRenderHint(QPainter.Antialiasing)
painter.setBrush(QBrush(Qt.white))
painter.setPen(QPen(Qt.lightGray, 1.2))
painter.drawRoundedRect(QRectF(crect).adjusted(2, 2, -2, -2), 2, 2,
Qt.AbsoluteSize)
if self._selected:
painter.setPen(QPen(QBrush(Qt.red), 2))
if self._highlighted:
painter.setBrush(QBrush(Qt.gray, Qt.FDiagPattern))
else:
painter.setBrush(Qt.NoBrush)
painter.drawRoundedRect(QRectF(crect).adjusted(2, 2, -2, -2), 2, 2,
Qt.AbsoluteSize)
defsize = self.renderer().defaultSize()
margin = 5
bound = QSize(defsize)
bound.scale(crect.width() - margin, crect.height() - margin,
Qt.KeepAspectRatio)
svgrect = QRectF(0, 0, bound.width(), bound.height())
svgrect.moveCenter(crect.center())
self.renderer().render(painter, svgrect)
def visible_bounding_rect(items):
""" Returns the bounding rectangle of all visible items. """
# initialize with
min_x = float_info.max
min_y = float_info.max
max_x = -float_info.max
max_y = -float_info.max
for item in items:
if item.isVisible():
itemBounds = item.boundingRect()
itemTopLeft = item.mapToScene(itemBounds.topLeft())
itemBottomRight = item.mapToScene(itemBounds.bottomRight())
if itemTopLeft.x() < min_x:
min_x = itemTopLeft.x()
if itemTopLeft.y() < min_y:
min_y = itemTopLeft.y()
if itemBottomRight.x() > max_x:
max_x = itemBottomRight.x()
if itemBottomRight.y() > max_y:
max_y = itemBottomRight.y()
margin = 10
rect = QRectF(QPointF(min_x, min_y), QPointF(max_x, max_y))
rect.adjust(-margin, -margin, margin, margin)
return rect
def __init__(
self,
screen,
num_particles,
pos,
pos_irange,
vel,
vel_irange,
duration,
duration_irange,
color_seq,
quad_sz,
img_path,
):
self.screen = screen
self.num_particles = num_particles
self.setup_texture(img_path)
# self.setup_display_list(quad_sz)
self.particles = set()
rect = QRectF(0.0, 0.0, quad_sz, quad_sz)
rect.moveCenter(QPointF(0.0, 0.0))
for i in xrange(self.num_particles):
pos = apply_irange(pos, pos_irange)
vel = apply_irange(vel, vel_irange)
duration = duration + uniform(*duration_irange)
# p = Particle(pos, vel, color_seq, self.display_list, duration)
p = Particle(pos, vel, color_seq, (self.texture, rect, self.screen.qpainter), duration)
self.particles.add(p)
def paintEvent(self, paint_event):
QFrame.paintEvent(self, paint_event)
painter = QPainter(self)
painter.setRenderHint(QPainter.Antialiasing)
w = self.width()
h = self.height()
if self.horizontal:
self.min_marker = QRectF(w * self.min_value, 4, self.size, self.size)
self.max_marker = QRectF(w * self.max_value - self.size - 1, 4, self.size, self.size)
else:
self.min_marker = QRectF(4, h - h * self.min_value - self.size - 1, self.size, self.size)
self.max_marker = QRectF(4, h - h * self.max_value, self.size, self.size)
pen = painter.pen()
pen.setWidth(0)
pen.setColor(QApplication.palette().background().color().dark())
painter.setPen(pen)
painter.setBrush(self.min_marker_brush)
painter.drawPie(self.min_marker, self.tilt * 16, 180 * 16)
painter.setBrush(self.max_marker_brush)
painter.drawPie(self.max_marker, self.tilt * 16, -180 * 16)
def __init__(self, eNodeHandle):
QGraphicsObject.__init__(self)
self.setFlag(QGraphicsItem.ItemIsMovable, True)
self.setAcceptsHoverEvents(True)
self.__isDefaultPen = False
self.__pen = None
self.__pens = {0: EDraw.EColor.DefaultLeaveHoverPen, 1: EDraw.EColor.DefaultEnterHoverPen}
self.setPen(self.__pens[self.__isDefaultPen])
self.__font = EDraw.DefaultNodeFont
self.__nodeHandle = eNodeHandle
self.__nodeHandle.Message.connect(self.__messageFilter)
self.__name = self.__nodeHandle.__class__.__name__
self.__attrRect = QRectF(0, 0, 15, 15)
self.__titleRect = QRectF(0, 0, 135, 20)
self.__textSpace = QRectF(self.__attrRect.width() + self.pen().width(), 0.0,
(self.__titleRect.width() - self.__attrRect.width() * 2 - self.pen().width() * 2) / 2,
self.__attrRect.height())
self.buildAttributes()
self.__height = max([self.__in_attr_step, self.__out_attr_step])
def showMoveHelper(self, visible=True):
"""show help text In empty HandBoards"""
if visible:
if not self.__moveHelper:
splitter = QGraphicsRectItem(self)
hbCenter = self.rect().center()
splitter.setRect(hbCenter.x() * 0.5, hbCenter.y(), hbCenter.x() * 1, 1)
helpItems = [splitter]
for name, yFactor in [(m18n('Move Exposed Tiles Here'), 0.5),
(m18n('Move Concealed Tiles Here'), 1.5)]:
helper = QGraphicsSimpleTextItem(name, self)
helper.setScale(3)
nameRect = QRectF()
nameRect.setSize(helper.mapToParent(helper.boundingRect()).boundingRect().size())
center = QPointF(hbCenter)
center.setY(center.y() * yFactor)
helper.setPos(center - nameRect.center())
if self.sceneRotation() == 180:
rotateCenter(helper, 180)
helpItems.append(helper)
self.__moveHelper = self.scene().createItemGroup(helpItems)
self.__moveHelper.setVisible(True)
else:
if self.__moveHelper:
self.__moveHelper.setVisible(False)
def drawRow(row, sx, sy, last_end=False):
x = sx
y = sy
keys = row
rw = w - sx
i = 0
for k in keys:
rect = QRectF(x, y, kw, kw)
if i == len(keys) - 1 and last_end:
rect.setWidth(rw)
p.drawRoundedRect(rect, rx, rx)
p.setPen(Qt.black)
rect.adjust(5, 1, 0, 0)
p.setFont(self.lowerFont)
p.drawText(rect, Qt.AlignLeft | Qt.AlignBottom, self.regular_text(k))
p.setFont(self.upperFont)
p.drawText(rect, Qt.AlignLeft | Qt.AlignTop, self.shift_text(k))
rw = rw - space - kw
x = x + space + kw
i = i + 1
p.setPen(pen)
return (x, rw)
def __activeControlMoved(self, pos):
# The active control point has moved, update the control
# rectangle
control = self.__activeControl
pos = control.pos()
rect = QRectF(self.__rect)
margins = self.__margins
# TODO: keyboard modifiers and constraints.
anchor = control.anchor()
if anchor & ControlPoint.Top:
rect.setTop(pos.y() + margins.top())
elif anchor & ControlPoint.Bottom:
rect.setBottom(pos.y() - margins.bottom())
if anchor & ControlPoint.Left:
rect.setLeft(pos.x() + margins.left())
elif anchor & ControlPoint.Right:
rect.setRight(pos.x() - margins.right())
changed = self.__rect != rect
self.blockSignals(True)
self.setRect(rect)
self.blockSignals(False)
if changed:
self.rectEdited.emit(rect.normalized())
def resize_scene_rect(self):
# Check if we are QGraphicsItem and if we are on scene
if(not callable(self.scene) or self.scene() == None):
return
# TODO: A place for optimization?
rect = QRectF(self.scene().sceneRect())
self.scene().setSceneRect(rect.united(self.globalBoundingRect()))
def boundingRect(self):
extra = (SfLine.ARROW_WIDTH + SfLine.ARROW_HEAD_LENGTH)/2.0 + 5
size = QSizeF(self.line().p2().x() - self.line().p1().x(),
self.line().p2().y() - self.line().p1().y())
rect = QRectF(self.line().p1(), size)
rect = rect.normalized()
rect.adjust(-extra, -extra, extra, extra)
return rect
def _fetch_tile_layer(self, timestamp, ims, transform, tile_nr, stack_id, ims_req, cache):
"""
Fetch a single tile from a layer (ImageSource).
Parameters
----------
timestamp
The timestamp at which ims_req was created
ims
The layer (image source) we're fetching from
transform
The transform to apply to the fetched data, before storing it in the cache
tile_nr
The ID of the fetched tile
stack_id
The stack ID of the tile we're fetching (e.g. which T-slice and Z-slice this tile belongs to)
ims_req
A request object (e.g. GrayscaleImageRequest) with a wait() method that produces an item of
the appropriate type for the layer (i.e. either a QImage or a QGraphicsItem)
cache
The value of self._cache at the time the ims_req was created.
(The cache can be replaced occasionally. See TileProvider._onSizeChanged().)
"""
try:
try:
with cache:
layerTimestamp = cache.layerTimestamp(stack_id, ims, tile_nr)
except KeyError:
# May not be a timestamp yet (especially when prefetching)
layerTimestamp = 0
tile_rect = QRectF( self.tiling.imageRects[tile_nr] )
if timestamp > layerTimestamp:
img = ims_req.wait()
if isinstance(img, QImage):
img = img.transformed(transform)
elif isinstance(img, QGraphicsItem):
# FIXME: It *seems* like applying the same transform to QImages and QGraphicsItems
# makes sense here, but for some strange reason it isn't right.
# For QGraphicsItems, it seems obvious that this is the correct transform.
# I do not understand the formula that produces 'transform', which is used for QImage tiles.
img.setTransform(QTransform.fromTranslate(tile_rect.left(), tile_rect.top()), combine=True)
img.setTransform(self.tiling.data2scene, combine=True)
else:
assert False, "Unexpected image type: {}".format( type(img) )
with cache:
try:
cache.updateTileIfNecessary(stack_id, ims, tile_nr, timestamp, img)
except KeyError:
pass
if stack_id == self._current_stack_id \
and cache is self._cache:
self.sceneRectChanged.emit( tile_rect )
except BaseException:
sys.excepthook( *sys.exc_info() )
def boundingRect(self):
if self._line is None:
if self._orientation == Qt.Vertical:
self._line = QLineF(0, self._value, self._length, self._value)
else:
self._line = QLineF(self._value, 0, self._value, self._length)
r = QRectF(self._line.p1(), self._line.p2())
penw = self.pen().width()
return r.adjusted(-penw, -penw, penw, penw)
def set_orientation(self, orientation):
return
if self.orientation == orientation:
return
self.orientation = orientation
if self.orientation == Qt.Vertical:
height = max(item.boundingRect().height()
for item in self.label_items)
total_height = height * max(5, len(self.label_items))
interval = (total_height -
self.label_items[-1].boundingRect().height()
) / (len(self.label_items) - 1)
self.gradient_item.setRect(10, 0, self.gradient_width, total_height)
self.gradient.setStart(10, 0)
self.gradient.setFinalStop(10, total_height)
self.gradient_item.setBrush(QBrush(self.gradient))
self.gradient_item.setPen(QPen(Qt.NoPen))
y = -20 # hja, no; dela --> pri boundingRect() zato pristejem +20
x = 0
move_item_xy(self.title, x, y, False)
y = 10
x = 30
for item in self.label_items:
move_item_xy(item, x, y, False)
# self.parent.graph.animate_plot)
y += interval
self.rect = QRectF(10, 0,
self.gradient_width +
max(item.boundingRect().width()
for item in self.label_items),
self.label_items[0].boundingRect().height() *
max(5, len(self.label_items)))
else:
# za horizontalno orientacijo nisem dodajal title-a
width = 50
height = max(item.boundingRect().height()
for item in self.label_items)
total_width = width * max(5, len(self.label_items))
interval = (total_width -
self.label_items[-1].boundingRect().width()
) / (len(self.label_items) - 1)
self.gradient_item.setRect(0, 0, total_width, self.gradient_width)
self.gradient.setStart(0, 0)
self.gradient.setFinalStop(total_width, 0)
self.gradient_item.setBrush(QBrush(self.gradient))
self.gradient_item.setPen(QPen(Qt.NoPen))
x = 0
y = 30
for item in self.label_items:
move_item_xy(item, x, y, False)
# self.parent.graph.animate_plot)
x += interval
self.rect = QRectF(0, 0, total_width, self.gradient_width + height)
def setSceneRect(self, *args):
if len(args) == 1:
rect = args[0]
else:
left, top, width, height = args
rect = QRectF(left, top, width, height)
for item in self._listaItens:
item.setTamanho(QRectF(0,0,rect.width(),item.altura()))
super().setSceneRect(rect)
def paint(self, painter, style, widget):
painter.setFont(self.__font)
painter.setPen(QPen(QColor(0, 0, 0), 1, Qt.DotLine))
metrics = QFontMetrics(self.__font)
painter.drawLine(QLineF(QPointF(metrics.width(self.__text) / 2, metrics.height() / 2), QPointF(self.__get_local_origin())))
text_rect = QRectF(0, 0, metrics.width(self.__text), metrics.height()).adjusted(0, 0, 2 * self.__extraFrame, 2 * self.__extraFrame)
painter.fillRect(text_rect, QBrush(QColor(255,255,255)))
painter.drawText(text_rect.translated(self.__extraFrame, self.__extraFrame), 0, self.__text)
def paintEvent(self, event):
QFrame.paintEvent(self, event)
text = QDateTime.currentDateTime().toString(Qt.SystemLocaleLongDate)
logicalRect = QRectF(QPointF(0, 0), QSizeF(QFontMetrics(self.font()).size(Qt.TextSingleLine, text)))
physicalRect, frameWidth = QRectF(self.rect()), self.frameWidth()
physicalRect.adjust(frameWidth, frameWidth, -frameWidth, -frameWidth)
scaleForWidth = physicalRect.width() / logicalRect.width()
scaleForHeight = physicalRect.height() / logicalRect.height()
logicalRect.moveTo(frameWidth / scaleForWidth , frameWidth / scaleForHeight)
painter = QStylePainter(self)
painter.scale(scaleForWidth, scaleForHeight)
painter.drawText(logicalRect, Qt.AlignCenter, text)
def setCenter(self, lon, lat):
"""Move the center of the visible area to new coordinates.
Update the scene rect.
Args:
lon(float): New longitude of the center.
lat(float): New latitude of the center.
"""
rect = QRectF(self.sceneRect())
pos = self.posFromLonLat(lon, lat)
rect.moveCenter(pos)
self.setSceneRect(rect)
def wait(self):
array_data = self._arrayreq.wait()
rectf = self.rectf
if array_data.handedness_switched: # array_data should be of type slicingtools.ProjectedArray
rectf = QRectF(rectf.height(), rectf.width())
from PyQt4.QtGui import QPainter
img = QImage( QSize( self.rectf.width(), self.rectf.height() ), QImage.Format_ARGB32_Premultiplied)
img.fill(0xffffffff)
p = QPainter(img)
p.drawImage(0,0, img)
DummyItem(self.rectf).paint(p, None)
return img
def paintEvent(self, event):
if self.__pixmap.isNull():
return
sourcerect = QRect(QPoint(0, 0), self.__pixmap.size())
pixsize = QSizeF(self.__pixmap.size())
rect = self.contentsRect()
pixsize.scale(QSizeF(rect.size()), Qt.KeepAspectRatio)
targetrect = QRectF(QPointF(0, 0), pixsize)
targetrect.moveCenter(QPointF(rect.center()))
painter = QPainter(self)
painter.setRenderHint(QPainter.SmoothPixmapTransform)
painter.drawPixmap(targetrect, self.__pixmap, QRectF(sourcerect))
painter.end()
def paintEvent(self, event):
pixmap = self._shadowPixmap
widget_rect = QRectF(QPointF(0.0, 0.0), QSizeF(self.size()))
frame_rect = QRectF(self.contentsRect())
left, top, right, bottom = self.getContentsMargins()
pixmap_rect = QRectF(QPointF(0, 0), QSizeF(pixmap.size()))
# Shadow casting rectangle.
pixmap_shadow_rect = pixmap_rect.adjusted(left, top, -right, -bottom)
source_rects = self._shadowPixmapFragments(pixmap_rect,
pixmap_shadow_rect)
target_rects = self._shadowPixmapFragments(widget_rect, frame_rect)
painter = QPainter(self)
for source, target in zip(source_rects, target_rects):
painter.drawPixmap(target, pixmap, source)
painter.end()
def mousePressEvent(self, event):
pos = event.scenePos()
any_item = self.scene.item_at(pos)
if not any_item and event.button() & Qt.LeftButton:
self.modifiers = event.modifiers()
self.selection_rect = QRectF(pos, QSizeF(0, 0))
self.rect_item = QGraphicsRectItem(
self.selection_rect.normalized()
)
self.rect_item.setPen(
QPen(QBrush(QColor(51, 153, 255, 192)),
0.4, Qt.SolidLine, Qt.RoundCap)
)
self.rect_item.setBrush(
QBrush(QColor(168, 202, 236, 192))
)
self.rect_item.setZValue(-100)
# Clear the focus if necessary.
if not self.scene.stickyFocus():
self.scene.clearFocus()
if not self.modifiers & Qt.ControlModifier:
self.scene.clearSelection()
event.accept()
return True
else:
self.cancel(self.ErrorReason)
return False
def __init__(self, title, palette, values, parent):
QGraphicsObject.__init__(self, parent)
GraphicsWidgetAnchor.__init__(self)
self.parent = self.legend = parent
self.palette = palette
self.values = values
self.title = QGraphicsTextItem('%s:' % title, self)
f = self.title.font()
f.setBold(True)
self.title.setFont(f)
self.title_item = QGraphicsRectItem(self.title.boundingRect(), self)
self.title_item.setPen(QPen(Qt.NoPen))
self.title_item.stackBefore(self.title)
self.label_items = [QGraphicsTextItem(text, self) for text in values]
for i in self.label_items:
i.setTextWidth(50)
self.rect = QRectF()
self.gradient_item = QGraphicsRectItem(self)
self.gradient = QLinearGradient()
self.gradient.setStops([(v * 0.1, self.palette[v * 0.1])
for v in range(11)])
self.orientation = Qt.Horizontal
self.set_orientation(Qt.Vertical)
self.setFlag(QGraphicsItem.ItemIgnoresTransformations, True)
self.setFlag(QGraphicsItem.ItemIsMovable, True)
def clean_input_buffer_from_screen(self):
rect = QRectF()
rect.setX(self.lastwindow.cursor_real_pos[0])
rect.setY(self.lastwindow.cursor_real_pos[1])
rect.setWidth(self.pbuffer[0].width()-self.lastwindow.cursor_real_pos[0]+1)
rect.setHeight(self.linesize)
txtbuffer = ''
for w in self.input_buf:
txtbuffer += w
bounding_rect = self.pbuffer_painter[0].boundingRect(rect, txtbuffer)
if (rect.contains(bounding_rect)): # string fits in this line
self.pbuffer_painter[0].eraseRect(bounding_rect)
#self.pbuffer_painter.drawRect(bounding_rect)
#print 'Erasing rect', bounding_rect
else:
self.pbuffer_painter[0].eraseRect(rect)
def update(self):
metrics = QFontMetrics(self.__font)
# Start by finding size of class name block
drawable_height = 1 * self.__section_margin + metrics.height()
# TODO: This doesn't belong here. Or does it?
if "name" not in self.uml_object.properties:
self.uml_object["name"] = self.uml_object.name
drawable_width = 2 * self.__text_margin + metrics.width(self.uml_object['name'])
# Add stereotype height
if("stereotype" in self.uml_object.properties):
drawable_height += self.__text_margin + metrics.height()
stereotypeWidth = 2 * self.__text_margin + metrics.width("<< " + self.uml_object['stereotype'] + " >>")
drawable_width = max(drawable_width, stereotypeWidth)
# Find sizes of each section and update width/height
for section in [map(str, self.uml_object.operations()), map(str,
self.uml_object.attributes())]:
size = self.__size_of_section(metrics, section)
drawable_width = max(drawable_width, size[0])
drawable_height += size[1]
self.__bounding_rect = QRectF(0, 0, max(2 * self.__text_margin + drawable_width, self.__min_width), drawable_height)
class MainWindow(QWidget):
def __init__(self):
super(MainWindow, self).__init__()
# na pozici [0, 0] se šířkou 50px a výškou 50px
# musíme ho vykreslit my, protože je to pouze abstraktní objekt (abstrakní ve smyslu, že nám pouze uchovává data a poskytuje potřebné výpočty)
self.__drag_and_drop_rect = QRectF(QPointF(), QSizeF(50, 50))
self.__rect_color = QColor("red")
self.__mouse_pressed = False
def paintEvent(self, _):
"""
:type _: QPaintEvent
"""
painter = QPainter(self)
painter.setBrush(QBrush(self.__rect_color))
painter.setPen(QPen(self.__rect_color))
painter.drawRect(self.__drag_and_drop_rect)
def mousePressEvent(self, mouse_event):
"""
:type mouse_event: QMouseEvent
"""
# je v bod kliknutí v obdelníku?
self.__mouse_pressed = self.__drag_and_drop_rect.contains(mouse_event.pos())
def mouseReleaseEvent(self, _):
"""
:type _: QMouseEvent
"""
self.__mouse_pressed = False
def mouseMoveEvent(self, mouse_event):
"""
:type mouse_event: QMouseEvent
"""
if not self.__mouse_pressed:
return
# přesuň obdelník na pozici kurzoru
self.__drag_and_drop_rect.moveTo(mouse_event.pos())
# obnov okno(zavolá se metoda paintEvent)
self.update()
def __init__(self, qScore, parent = None):
super(QGraphicsListData, self).__init__(parent = parent, scene = qScore)
self._qScore = qScore
self._props = qScore.displayProperties
self._rect = QRectF(0, 0, 0, 0)
self.setRect()
self.setCursor(Qt.PointingHandCursor)
self.setAcceptsHoverEvents(True)
def paint(self, painter, option, widget=0):
if self._pixmap.isNull():
return
rect = self.contentsRect()
pixsize = self.pixmapSize()
pixrect = QRectF(QPointF(0, 0), pixsize)
pixrect.moveCenter(rect.center())
painter.save()
painter.setPen(QPen(QColor(0, 0, 0, 50), 3))
painter.drawRoundedRect(pixrect, 2, 2)
painter.setRenderHint(QPainter.SmoothPixmapTransform)
source = QRectF(QPointF(0, 0), QSizeF(self._pixmap.size()))
painter.drawPixmap(pixrect, self._pixmap, source)
painter.restore()
def __init__(self):
super(MainWindow, self).__init__()
# na pozici [0, 0] se šířkou 50px a výškou 50px
# musíme ho vykreslit my, protože je to pouze abstraktní objekt (abstrakní ve smyslu, že nám pouze uchovává data a poskytuje potřebné výpočty)
self.__drag_and_drop_rect = QRectF(QPointF(), QSizeF(50, 50))
self.__rect_color = QColor("red")
self.__mouse_pressed = False
def inputLocation( self ):
"""
Returns the input location for this connection.
:return <XConnectionLocation>
"""
if ( not self.autoCalculateInputLocation() ):
return self._inputLocation
# auto calculate directions based on the scene
if ( self._outputNode ):
outputRect = self._outputNode.sceneRect()
else:
y = self._outputPoint.y()
outputRect = QRectF( self._outputPoint.x(), y, 0, 0 )
if ( self._inputNode ):
inputRect = self._inputNode.sceneRect()
else:
y = self._inputPoint.y()
inputRect = QRectF( self._inputPoint.x(), y, 0, 0 )
# use the input location as potential places where it can be
iloc = self._inputLocation
left = XConnectionLocation.Left
right = XConnectionLocation.Right
top = XConnectionLocation.Top
bot = XConnectionLocation.Bottom
if ( self._inputNode == self._outputNode ):
if ( iloc & right ):
return right
elif ( iloc & left ):
return left
elif ( iloc & top ):
return top
else:
return bot
elif ( (iloc & left) and outputRect.right() < inputRect.left() ):
return left
elif ( (iloc & right) and inputRect.right() < outputRect.left() ):
return right
elif ( (iloc & top) and outputRect.bottom() < inputRect.top() ):
return top
elif ( (iloc & bot) ):
return bot
elif ( (iloc & left) ):
return left
elif ( (iloc & right) ):
return right
elif ( (iloc & top) ):
return top
else:
return left
def __init__(self, methodName):
"""Run once on class initialisation."""
unittest.TestCase.__init__(self, methodName)
TEST_DATA_DIR = unitTestDataPath()
self.pngImage = TEST_DATA_DIR + "/sample_image.png"
# create composition
self.mapSettings = QgsMapSettings()
self.composition = QgsComposition(self.mapSettings)
self.composition.setPaperSize(297, 210)
self.composerPicture = QgsComposerPicture(self.composition)
self.composerPicture.setPicturePath(self.pngImage)
self.composerPicture.setSceneRect(QRectF(70, 70, 100, 100))
self.composerPicture.setFrameEnabled(True)
self.composition.addComposerPicture(self.composerPicture)
def _define_symbols():
"""
Add symbol ? to ScatterPlotItemSymbols,
reflect the triangle to point upwards
"""
symbols = pyqtgraph.graphicsItems.ScatterPlotItem.Symbols
path = QPainterPath()
path.addEllipse(QRectF(-0.25, -0.25, 0.5, 0.5))
path.moveTo(-0.5, 0.5)
path.lineTo(0.5, -0.5)
path.moveTo(-0.5, -0.5)
path.lineTo(0.5, 0.5)
symbols["?"] = path
tr = QTransform()
tr.rotate(180)
symbols['t'] = tr.map(symbols['t'])
def paintArc(self, center_x, center_y, start_x, start_y, end_x, end_y):
radius = math.sqrt(
math.pow(center_x - start_x, 2) + math.pow(center_y - start_y, 2))
rect = QRectF(center_x - radius, center_y - radius, radius * 2,
radius * 2)
startAngle = 16 * math.atan2(start_x - center_y,
start_x - center_x) * 180.0 / math.pi
endAngle = 16 * math.atan2(end_y - center_y,
end_x - center_x) * 180.0 / math.pi
spanAngle = endAngle - startAngle
self.__painter.begin(self.__board)
self.__painter.setPen(QPen(self.__penColor, self.__thickness))
self.__painter.drawArc(rect, startAngle, spanAngle)
self.__painter.end()
self.update() #Show updates
def boundingRect(self):
font = QFont('Verdana', 8)
fm = QFontMetricsF(font)
unfolded = isinstance(self.element,
Algorithm) and not self.element.paramsFolded
numParams = len(self.element.algorithm.parameters) if unfolded else 0
unfolded = isinstance(self.element,
Algorithm) and not self.element.outputsFolded
numOutputs = len(self.element.algorithm.outputs) if unfolded else 0
hUp = fm.height() * 1.2 * (numParams + 2)
hDown = fm.height() * 1.2 * (numOutputs + 2)
rect = QRectF(-(ModelerGraphicItem.BOX_WIDTH + 2) / 2,
-(ModelerGraphicItem.BOX_HEIGHT + 2) / 2 - hUp,
ModelerGraphicItem.BOX_WIDTH + 2,
ModelerGraphicItem.BOX_HEIGHT + hDown + hUp)
return rect
def getTiles(self, rectF):
'''Get tiles in rect and request a refresh.
Returns tiles intersecting with rectF immediately and requests
a refresh of these tiles. Next time you call this function the
tiles may be already (partially) updated. If you want to wait
until the rendering is fully complete, call join().
'''
self.requestRefresh(rectF)
tile_nos = self.tiling.intersected(rectF)
stack_id = self._current_stack_id
for tile_no in tile_nos:
with self._cache:
qimg, progress = self._cache.tile(stack_id, tile_no)
yield TileProvider.Tile(tile_no, qimg,
QRectF(self.tiling.imageRects[tile_no]),
progress, self.tiling)
def __init__(self, parent=None, channel=None, rect=None, **kwargs):
QGraphicsRectItem.__init__(self, **kwargs)
self.setAcceptHoverEvents(True)
self.setAcceptedMouseButtons(Qt.NoButton)
self.__channel = None
if rect is None:
rect = QRectF(0, 0, 20, 20)
self.setRect(rect)
if channel:
self.setChannel(channel)
self.__shadow = QGraphicsDropShadowEffect(blurRadius=5,
offset=QPointF(0, 0))
self.setGraphicsEffect(self.__shadow)
self.__shadow.setEnabled(False)
def mouseDragEvent(self, ev, axis=None):
if self.graph.state == SELECT and axis is None:
ev.accept()
pos = ev.pos()
if ev.button() == Qt.LeftButton:
self.safe_update_scale_box(ev.buttonDownPos(), ev.pos())
if ev.isFinish():
self.rbScaleBox.hide()
pixel_rect = QRectF(ev.buttonDownPos(ev.button()), pos)
value_rect = self.childGroup.mapRectFromParent(pixel_rect)
self.graph.select_by_rectangle(value_rect)
else:
self.safe_update_scale_box(ev.buttonDownPos(), ev.pos())
elif self.graph.state == ZOOMING or self.graph.state == PANNING:
ev.ignore()
super().mouseDragEvent(ev, axis=axis)
else:
ev.ignore()
def __init__(self, palette, values, parent):
QGraphicsObject.__init__(self, parent)
self.parent = parent
self.palette = palette
self.values = values
self.legend = parent
self.label_items = [QGraphicsTextItem(text, self) for text in values]
for i in self.label_items:
i.setTextWidth(50)
self.rect = QRectF()
self.gradient_item = QGraphicsRectItem(self)
self.gradient = QLinearGradient()
self.gradient.setStops([(v * 0.1, self.palette[v * 0.1])
for v in range(11)])
self.orientation = Qt.Horizontal
self.set_orientation(Qt.Vertical)
def fitImage(self): """ Fits the image to the View. :return: Method success. :rtype: bool """ if not self.__displayGraphicsItem: return False self.__graphicsView.fitInView( QRectF(-(self.__displayGraphicsItem.width / 2) - (self.__displayGraphicsItemMargin / 2), - (self.__displayGraphicsItem.height / 2) - (self.__displayGraphicsItemMargin / 2), self.__displayGraphicsItem.width + self.__displayGraphicsItemMargin, self.__displayGraphicsItem.height + self.__displayGraphicsItemMargin), Qt.KeepAspectRatio) return True
def mouseMoveEvent(self, event):
if not self.dragging_line and self.drag_line and (
self.start_drag - event.screenPos()).manhattanLength() > 5:
self.dragging_line = True
if self.dragging_line:
params = parameters.instance
ms = min(self.scale)
sel_thick = 2 * params.cell_thickness
if sel_thick == 0:
sel_thick = 2 * ms
self.prepareGeometryChange()
mp = self.moving_point
mp.setX(event.pos().x())
mp.setY(event.pos().y())
self.bounding_rect = self.rect | QRectF(
mp.x() - sel_thick,
mp.y() - sel_thick, 2 * sel_thick, 2 * sel_thick)
self.update()
def drawStats(self, qp):
defaultCol = QColor(0,255,0, 200)
#qp = QtGui.QPainter()
qp.resetTransform()
w = self.width()
h = self.height()
top = 50
bottom = h-50
width, height = w*0.2, 22
dist = 10
space = height+dist
pos = width/4
# DRAW PROGRESS BAGS (left)
if self.bat>-1:
self.drawBar(qp, QRectF(pos, top+space*0, width,height), defaultCol, 'BAT %4.2fV'%(self.bat/1000.), self.bat, 3000, 4150)
if self.link>-1:
self.drawBar(qp, QRectF(pos, top+space*1, width,height), defaultCol, 'SIG %03d%%'%self.link, self.link)
if self.cpu>-1:
self.drawBar(qp, QRectF(pos, top+space*2, width,height), defaultCol, 'CPU %03d%%'%self.cpu, self.cpu)
# DRAW RAW STATS( right)
pos = w-width/4-width/2
space = height+2
if self.pktsOut>-1:
qp.drawText(QRectF(pos, top+space*0, width,height), Qt.AlignLeft, '%04d kb/s'%self.pktsOut)
if self.pktsIn>-1:
qp.drawText(QRectF(pos, top+space*1, width,height), Qt.AlignLeft, '%04d kb/s'%self.pktsIn)
if self.pressure>-1:
qp.drawText(QRectF(pos, top+space*3, width,height), Qt.AlignLeft, '%06.2f hPa'%self.pressure)
if self.temp>-1:
qp.drawText(QRectF(pos, top+space*4, width,height), Qt.AlignLeft, QString('%05.2f'%self.temp)+QChar(0260)+QString("C"))
if self.aslLong>-1:
qp.drawText(QRectF(pos, top+space*5, width,height), Qt.AlignLeft, '%4.2f m'%self.aslLong)
def update_items(self):
"""
Updates the legend, repositioning the items according to the legend's orientation.
"""
self.box_rect = QRectF()
x = y = 0
for lst in self.items.itervalues():
for item in lst:
if hasattr(item, 'text_item'):
item.text_item.setDefaultTextColor(
self.graph.color(OWPalette.Text))
if hasattr(item, 'rect_item'):
item.rect_item.setBrush(self.graph.color(OWPalette.Canvas))
if hasattr(item, 'set_orientation'):
item.set_orientation(self._orientation)
if self._orientation == Qt.Vertical:
for lst in self.items.itervalues():
for item in lst:
if self.max_size.height() and y and y + item.boundingRect(
).height() > self.max_size.height():
y = 0
x = x + item.boundingRect().width()
self.box_rect = self.box_rect | item.boundingRect(
).translated(x, y)
move_item_xy(item, x, y, self.graph.animate_plot)
y = y + item.boundingRect().height()
elif self._orientation == Qt.Horizontal:
for lst in self.items.itervalues():
max_h = max(item.boundingRect().height() for item in lst)
for item in lst:
if self.max_size.width() and x and x + item.boundingRect(
).width() > self.max_size.width():
x = 0
y = y + max_h
self.box_rect = self.box_rect | item.boundingRect(
).translated(x, y)
move_item_xy(item, x, y, self.graph.animate_plot)
x = x + item.boundingRect().width()
if lst:
x = 0
y = y + max_h
def updateDescAndQL(self):
# get the name of the selected dataset
dataset_name, dataset_serviceType = self.getSelectedNameAndType()
#custom web service object
dataset = self.selectdataSets(dataset_name, dataset_serviceType)
quicklook = os.path.join(self.quicklooks_dir, dataset.QLname + ".jpg")
desc = dataset.getDescription(self.language)
name = dataset.getName(self.language)
#update decription
self.dlg.textEdit.clear()
#creation and last update
if self.language == "EN":
crDate = "Creation date : " + dataset.creationDate
update = "Last update : " + dataset.lastUpdate
elif self.language == "GR":
crDate = unicode(
"Ημερομηνια δημιουργιας : " + dataset.creationDate, 'utf-8')
update = unicode("Τελευταία ενημέρωση : " + dataset.lastUpdate,
'utf-8')
cursor = QTextCursor(self.dlg.textEdit.document())
cursor.insertHtml("<h3> " + name + " <br><br></h3>")
cursor.insertHtml("<p> " + desc + " <br><br><br></p>")
cursor.insertHtml("<p><i> " + crDate + " <br></i></p>")
#cursor.insertHtml("<p><i> "+update+" <br></i></p>")
self.dlg.textEdit.setReadOnly(True)
#update quicklook
#GET DIMENSIONS OF THE IMAGE
img = Image.open(quicklook)
w, h = img.size
scene = QGraphicsScene()
pic = QPixmap(quicklook)
scene.addItem(QGraphicsPixmapItem(pic))
self.dlg.graphicsView.setScene(scene)
self.dlg.graphicsView.fitInView(QRectF(0, 0, w, h), Qt.KeepAspectRatio)
self.dlg.graphicsView.show()
def setImage(self, image):
""" Set the scene's current image pixmap to the input QImage or QPixmap.
Raises a RuntimeError if the input image has type other than QImage or QPixmap.
:type image: QImage | QPixmap
"""
if type(image) is QPixmap:
pixmap = image
elif type(image) is QImage:
pixmap = QPixmap.fromImage(image)
else:
raise RuntimeError(
"ImageViewer.setImage: Argument must be a QImage or QPixmap.")
if self.hasImage():
self._pixmapHandle.setPixmap(pixmap)
else:
self._pixmapHandle = self.scene.addPixmap(pixmap)
self.setSceneRect(QRectF(
pixmap.rect())) # Set scene size to image size.
self.updateViewer()
def drawImage(self, x, y, rx, ry, hImg):
h = self.v.height()
x0, y0 = self.t.transform(x, y)
#rx=self.t.sx*rx
#ry=self.t.sy*ry
rx, ry = self.t.scale(rx, ry)
#self.qPainter.drawRect(x0,h-y0,rx,-ry)
r = QRectF(x0, h - y0 - ry, rx, ry)
qImg = self.convertMatToQImage(hImg, rx, ry)
#r=QRectF(x0,h-y0-ry,qImg.width()/2,qImg.height()/2)
#qImg=QImage('../images/im2.png')
#mat=hImg.convertQImageToMat(qImg)
#cv2.imshow('nada',hImg.getData())
#print mat.shape
#qImg=OpenCVQImage(mat)
#qImgs=qImg.scaled(int(rx),int(ry))
#qImg=QImage('../images/CAM00293.jpg')
#cvi=cv2.imread('../images/CAM00293.jpg')
self.qPainter.drawImage(r, qImg)
def _setup_scene(self):
self.matrix_item = DistanceMapItem(self._sorted_matrix[:, ::-1])
self.viewbox.addItem(self.matrix_item)
self.viewbox.setRange(QRectF(0, 0, *self._sorted_matrix.shape),
padding=0)
self.matrix_item.selectionChanged.connect(self._invalidate_selection)
if self.sorting == 0:
tree = None
elif self.sorting == 1:
tree = self._cluster_tree()
else:
tree = self._ordered_cluster_tree()
self._set_displayed_dendrogram(tree)
self._update_color()
def mousePressEvent(self, event):
if event.button() == Qt.LeftButton:
pos = self.mapToPlot(event.pos())
if self._item.isVisible():
if self.selectionRect().contains(pos):
event.setAccepted(False)
self._item.setCursor(Qt.ClosedHandCursor)
return False
self._start_pos = pos
self._item.setVisible(True)
self._plot.addItem(self._item)
self.setSelectionRect(QRectF(pos, pos))
event.accept()
self.editingStarted.emit()
return True
else:
return super().mousePressEvent(event)
def item_at(self, pos, type_or_tuple=None, buttons=0):
"""Return the item at `pos` that is an instance of the specified
type (`type_or_tuple`). If `buttons` (`Qt.MouseButtons`) is given
only return the item if it is the top level item that would
accept any of the buttons (`QGraphicsItem.acceptedMouseButtons`).
"""
rect = QRectF(pos, QSizeF(1, 1))
items = self.items(rect)
if buttons:
items = itertools.dropwhile(
lambda item: not item.acceptedMouseButtons() & buttons, items)
items = list(items)[:1]
if type_or_tuple:
items = [i for i in items if isinstance(i, type_or_tuple)]
return items[0] if items else None
def drawTiles(self, renderContext, tiles, sdx=1.0, sdy=1.0):
# create an image that has the same resolution as the tiles
image = tiles.image()
# tile extent to pixel
map2pixel = renderContext.mapToPixel()
extent = tiles.extent()
topLeft = map2pixel.transform(extent.xMinimum(), extent.yMaximum())
bottomRight = map2pixel.transform(extent.xMaximum(), extent.yMinimum())
rect = QRectF(QPointF(topLeft.x() * sdx,
topLeft.y() * sdy),
QPointF(bottomRight.x() * sdx,
bottomRight.y() * sdy))
# draw the image on the map canvas
renderContext.painter().drawImage(rect, image)
self.log("Tiles extent: " + str(extent))
self.log("Draw into canvas rect: " + str(rect))
def prepareExport(self):
if self.dlg is None:
return
self.setNumberOfSteps(1 + self.dlg.stack_tiffs())
# grab settings from dialog
start, stop = self.dlg.getRoi()
iter_axes, iter_coords, iter_n = self.dlg.getIterAxes()
slice_axes = self.dlg.sliceAxes
show_markers = self.dlg.showMarkers()
folder, pattern, fileExt = self.dlg.getExportInfo()
# width and height of images
w = stop[slice_axes[0]] - start[slice_axes[0]]
h = stop[slice_axes[1]] - start[slice_axes[1]]
# scene rectangle to render
rect = QRectF(start[slice_axes[0]], start[slice_axes[1]], w, h)
# remember current position to correctly place view afterwards
self.currentPos5D = list(self.posModel.slicingPos5D)
pos = list(start)
# show/hide slice intersection markers
self.showed_markers = self.view._sliceIntersectionMarker.isVisible()
if show_markers:
self.view._sliceIntersectionMarker.setVisible(True)
# to correctly display slice intersection markers
for a in slice_axes:
pos[a] = self.currentPos5D[a]
else:
self.view._sliceIntersectionMarker.setVisible(False)
# create plain image and painter
self.img = QImage(w, h, QImage.Format_RGB16)
self.img.fill(Qt.black)
self.painter = QPainter(self.img)
# prepare export loop
self.exportloop = self.loopGenerator(rect, pos, start, stop, iter_axes,
iter_coords, folder, pattern,
fileExt)
def draw_image(self, painter, canvasRect, srcRect, dstRect, xMap, yMap):
# normally we use this method indirectly from quiqwt which takes the burden of constructing
# the right parameters. if we want to call this method manually, eg for painting on on a
# QPixmap for saving the image, we just use the last set of parmeters passed to this
# method, this is much easier than constructing the params seperatly, and so we get the
# exact same result as we see on screen:
self.last_canvas_rect = canvasRect
self.last_src_rect = srcRect
self.last_dst_rect = dstRect
self.last_xmap = xMap
self.last_ymap = yMap
rtmin, mzmax, rtmax, mzmin = srcRect
x1, y1 = canvasRect.left(), canvasRect.top()
x2, y2 = canvasRect.right(), canvasRect.bottom()
NX = x2 - x1
NY = y2 - y1
rtmin, mzmax, rtmax, mzmin = srcRect
image = self.compute_image(0, NX, NY, rtmin, rtmax, mzmin,
mzmax)[::-1, :]
image2 = self.compute_image(1, NX, NY, rtmin, rtmax, mzmin,
mzmax)[::-1, :]
dilated = dilate(image.astype(np.int32), mzmax, mzmin)
dilated2 = dilate(image2.astype(np.int32), mzmax, mzmin)
self.data = np.zeros_like(dilated, dtype=np.uint32)[::-1, :]
# add image as rgb(255, 255, 0): first we add red, then green which yields yellow:
self.data += dilated * 256 * 256
# plus red:
self.data += dilated * 256
# add image2 as rgb(0, 0, 256) which is blue:
self.data += dilated2
self.data |= 255 << 24
self.bounds = QRectF(rtmin, mzmin, rtmax - rtmin, mzmax - mzmin)
RGBImageItem.draw_image(self, painter, canvasRect, srcRect, dstRect,
xMap, yMap)
def joinRenderingAllTiles(self, viewport_only=True, rect=None):
"""
Wait until all tiles in the scene have been 100% rendered.
If sceneRectF is None, use the viewport rect.
If sceneRectF is an invalid QRectF(), then wait for all tiles.
Note: If called from the GUI thread, the GUI thread will block until all tiles are rendered!
"""
# If this is the main thread, keep repainting (otherwise we'll deadlock).
if threading.current_thread().name == "MainThread":
if viewport_only:
sceneRectF = self.views()[0].viewportRect()
else:
if rect is None or not isinstance(rect, QRectF):
sceneRectF = QRectF(
) # invalid QRectF means 'get all tiles'
else:
sceneRectF = rect
self._tileProvider.waitForTiles(sceneRectF)
else:
self._allTilesCompleteEvent.wait()
def __init__(self, rect=QRectF(-5, -5, 10, 10), view=None):
super().__init__(rect)
self.setCacheMode(self.DeviceCoordinateCache)
self.setAcceptHoverEvents(True)
self.setFlags(self.ItemIsMovable | self.ItemIsSelectable
| self.ItemIgnoresTransformations
| self.ItemIgnoresParentOpacity
| self.ItemSendsGeometryChanges)
self.setZValue(4)
self.edges = []
self._radius = rect.width() / 2
self.__transform = view.transform
# Add text labels
label = self.label = QtGui.QGraphicsSimpleTextItem('test', self)
label.setVisible(False)
label.setFlags(self.ItemIgnoresParentOpacity
| self.ItemIgnoresTransformations)
label.setZValue(3)
view.scene().addItem(label)
def mouseReleaseEvent(self, event):
# Reimplemented
if event.button() == Qt.LeftButton:
if self.__selectionRect is not None:
self.__selectionRect.setParentItem(None)
if self.scene() is not None:
self.scene().removeItem(self.__selectionRect)
self.__selectionRect = None
event.accept()
rect = (QRectF(event.buttonDownPos(Qt.LeftButton),
event.pos()).normalized())
if not rect.isValid():
rect = rect.adjusted(-1e-7, -1e-7, 1e-7, 1e-7)
rect = rect.intersected(self.contentsRect())
action = action = self.__selstate.action & ~SelectAction.Current
self.__setSelectionRect(rect, action)
self.__selstate = None
def mouseMoveEvent(self, event):
# Reimplemented
if event.buttons() & Qt.LeftButton:
assert self.__selstate is not None
if self.__selectionRect is None:
self.__selectionRect = QtGui.QGraphicsRectItem(self)
rect = (QRectF(event.buttonDownPos(Qt.LeftButton),
event.pos()).normalized())
if not rect.width():
rect = rect.adjusted(-1e-7, -1e-7, 1e-7, 1e-7)
rect = rect.intersected(self.contentsRect())
self.__selectionRect.setRect(rect)
self.__selstate.rect = rect
self.__selstate.action |= SelectAction.Current
self.__setSelectionRect(rect, self.__selstate.action)
event.accept()
def paint(self, painter, option, widget=None):
if not self.__isCollapsed:
painter.setPen(QPen(QColor(0, 0, 0, 50), 2, Qt.SolidLine))
painter.setBrush(QColor(0, 0, 0, 50))
painter.drawRect(self.boundingRect().adjusted(
self.pen().width(), self.__handleHeight, -self.pen().width(),
0.0))
painter.setPen(self.pen())
painter.setBrush(
EDraw.EColor.LinearGradient(self.__handleRect, Qt.darkGray))
#painter.drawPolygon( QPolygonF( self.__handleRect.normalized().adjusted(-self.__boundExtra, 0.0, self.__boundExtra, 0.0 ) ) )
painter.drawPolygon(QPolygonF(self.__handleRect))
painter.setPen(Qt.lightGray)
r = QRectF(0.0, 0.0,
self.__name.boundingRect().width(),
self.__handleRect.height())
painter.drawText(r, Qt.AlignCenter, self.__name.toPlainText())
def render_drop_shadow_frame(pixmap, shadow_rect, shadow_color,
offset, radius, rect_fill_color):
pixmap.fill(QColor(0, 0, 0, 0))
scene = QGraphicsScene()
rect = QGraphicsRectItem(shadow_rect)
rect.setBrush(QColor(rect_fill_color))
rect.setPen(QPen(Qt.NoPen))
scene.addItem(rect)
effect = QGraphicsDropShadowEffect(color=shadow_color,
blurRadius=radius,
offset=offset)
rect.setGraphicsEffect(effect)
scene.setSceneRect(QRectF(QPointF(0, 0), QSizeF(pixmap.size())))
painter = QPainter(pixmap)
scene.render(painter)
painter.end()
scene.clear()
scene.deleteLater()
return pixmap
def paint(self, painter, option, widget=None):
if not self.__icon.isNull():
if option.state & QStyle.State_Selected:
mode = QIcon.Selected
elif option.state & QStyle.State_Enabled:
mode = QIcon.Normal
elif option.state & QStyle.State_Active:
mode = QIcon.Active
else:
mode = QIcon.Disabled
transform = self.sceneTransform()
if widget is not None:
# 'widget' is the QGraphicsView.viewport()
view = widget.parent()
if isinstance(view, QGraphicsView):
# Combine the scene transform with the view transform.
view_transform = view.transform()
transform = view_transform * view_transform
lod = option.levelOfDetailFromTransform(transform)
w, h = self.__iconSize.width(), self.__iconSize.height()
target = QRectF(0, 0, w, h)
source = QRectF(0, 0, w * lod, w * lod).toRect()
# The actual size of the requested pixmap can be smaller.
size = self.__icon.actualSize(source.size(), mode=mode)
source.setSize(size)
pixmap = self.__icon.pixmap(source.size(), mode=mode)
painter.setRenderHint(
QPainter.SmoothPixmapTransform,
self.__transformationMode == Qt.SmoothTransformation
)
painter.drawPixmap(target, pixmap, QRectF(source))
def legend_anchor_pos(legend):
"""
Return the legend's anchor positions relative to it's parent (if defined).
Return `None` if legend does not have a parent or the parent's size
is empty.
.. seealso:: LegendItem.anchor, rect_anchor_pos
"""
parent = legend.parentItem()
if parent is None or parent.size().isEmpty():
return None
rect = legend.geometry() # in parent coordinates.
parent_rect = QRectF(QPointF(0, 0), parent.size())
# Find the closest corner of rect to parent rect
c1, _, *parentPos = rect_anchor_pos(rect, parent_rect)
return corner_anchor(c1), tuple(parentPos)
def sharpen_region_recur(node, region, nbins, depth, gridbin_func):
if depth <= 1:
return node
elif not QRectF(*node.brect).intersects(region):
return node
elif node.is_empty:
return node
elif node.is_leaf:
xs, xe, ys, ye = bindices(node, region)
# indices in need of update
indices = Node_nonzero(node)
for i, j in zip(*indices):
if xs <= i < xe and ys <= j < ye:
node = sharpen_node_cell(node, i, j, nbins, gridbin_func)
# if the exposed region is empty the node.is_leaf property
# is preserved
if node.is_leaf:
return node
return sharpen_region_recur(node, region, nbins, depth, gridbin_func)
else:
xs, xe, ys, ye = bindices(node, region)
# indices is need of update
indices1 = Node_nonzero(node)
indices2 = node.children.nonzero()
indices = sorted(set(list(zip(*indices1))) - set(list(zip(*indices2))))
for i, j in indices:
if xs <= i < xe and ys <= j < ye:
node = sharpen_node_cell(node, i, j, nbins, gridbin_func)
children = np.array(node.children, dtype=object)
children[xs: xe, ys: ye] = [
[sharpen_region_recur(ch, region, nbins, depth - 1, gridbin_func)
if ch is not None else None
for ch in row]
for row in np.array(children[xs: xe, ys: ye])
]
return node._replace(children=children)