def glass_path(scene, x, y, w, h, colr):
qp = QPainterPath()
qp.addRoundedRect(x, y, w, h, 5, 5)
gradient = QLinearGradient(0, +0, 0, 1)
gradient.setCoordinateMode(QGradient.ObjectBoundingMode)
gradient.setColorAt(0, colr)
gradient.setColorAt(1, colr.lighter(150))
brush = QBrush(gradient)
item = QGraphicsPathItem()
item.setPath(qp)
item.setBrush(brush)
scene.addItem(item)
# Draw glass reflection
glass = QPainterPath()
r = 3
glass.addRoundedRect(x + r, y + r, w - 2 * r, 2 * r, r, r)
gradient = QLinearGradient(0, +0, 0, 1)
gradient.setCoordinateMode(QGradient.ObjectBoundingMode)
gradient.setColorAt(0, QColor(255, 255, 255, 188))
gradient.setColorAt(1, QColor(255, 255, 255, 0))
brush = QBrush(gradient)
item = QGraphicsPathItem()
item.setPath(glass)
item.setBrush(brush)
item.setPen(QPen(Qt.transparent))
scene.addItem(item)
def __init__(self, x1, y1, x2, y2, rgb, parent=None):
#OVERLOADED IMPL?# DimLeaderObject::DimLeaderObject(DimLeaderObject* obj, QGraphicsItem* parent) : BaseObject(parent)
"""
Default class constructor.
:param `x1`: TOWRITE
:type `x1`: qreal
:param `y1`: TOWRITE
:type `y1`: qreal
:param `x2`: TOWRITE
:type `x2`: qreal
:param `y2`: TOWRITE
:type `y2`: qreal
:param `rgb`: TOWRITE
:type `rgb`: QRgb
:param `parent`: TOWRITE
:type `parent`: `QGraphicsItem`_
"""
super(DimLeaderObject, self).__init__(parent)
qDebug("DimLeaderObject Constructor()")
self.curved = bool()
self.filled = bool()
self.lineStylePath = QPainterPath()
self.arrowStylePath = QPainterPath()
self.arrowStyleAngle = float() # qreal
self.arrowStyleLength = float() # qreal
self.lineStyleAngle = float() # qreal
self.lineStyleLength = float() # qreal
self.init(x1, y1, x2, y2, rgb,
Qt.SolidLine) # TODO: getCurrentLineType
def _draw_serie(self, painter, ndx_serie, color):
last_item = len(self.data) - 1
serie = self.data[ndx_serie]
serie_below = [0] * len(self.data[last_item])
if ndx_serie < len(self.data) - 1:
serie_below = self.data[ ndx_serie + 1 ]
qlp = QPainterPath() # The top line path
qfp = QPainterPath() # the filled region path
x = float(0) * self.x_factor
y = serie[0] * self.y_factor
qlp.moveTo(self.x_base + x,self.y_base - y)
qfp.moveTo(self.x_base + x,self.y_base - y)
for i in range(1,len(serie)):
x = float(i) * self.x_factor
y = float(serie[i]) * self.y_factor
#print i,y
qlp.lineTo(self.x_base + x, self.y_base-y)
qfp.lineTo(self.x_base + x, self.y_base-y)
for i in reversed(range(0,len(serie_below))):
x = float(i) * self.x_factor
y = float(serie_below[i]) * self.y_factor
qfp.lineTo(self.x_base + x, self.y_base-y)
qfp.closeSubpath()
fill_color = QColor(color)
fill_color.setAlpha(64)
brush = QBrush(fill_color)
painter.fillPath(qfp,brush)
pen = QPen()
pen.setColor(color)
if ndx_serie == self.ndx_best_serie:
pen.setWidth(6)
else:
pen.setWidth(2)
painter.setPen(pen)
painter.drawPath(qlp)
def setPortFlags(self, flags):
self.m_portFlags = flags
if self.m_portFlags & self.TypePort:
font = self.scene().font()
font.setItalic(True)
self.label.setFont(font)
self.setPath(QPainterPath())
elif self.m_portFlags & self.NamePort:
font = self.scene().font()
font.setBold(True)
self.label.setFont(font)
self.setPath(QPainterPath())
def __init__(self, parent, scene, view):
super(QNodesEditor, self).__init__(parent)
self.scene = scene
self.scene.installEventFilter(self)
gridSize = 25
gridMap = QPixmap(gridSize,gridSize)
gridPainter = QPainter(gridMap)
gridPainter.fillRect(0,0,gridSize,gridSize, QApplication.palette().window().color().darker(103))
gridPainter.fillRect(1,1,gridSize-2,gridSize-2, QApplication.palette().window())
gridPainter.end()
self.scene.setBackgroundBrush( QBrush(gridMap) )
originSize = 50
originItem = QGraphicsPathItem()
path = QPainterPath()
path.moveTo(0,-originSize)
path.lineTo(0,originSize)
path.moveTo(-originSize,0)
path.lineTo(originSize,0)
originItem.setPath(path)
originItem.setPen(QPen(QApplication.palette().window().color().darker(110),2))
originItem.setZValue(-2)
self.scene.addItem(originItem)
self.view = view
self.view.setDragMode(QGraphicsView.RubberBandDrag)
self.view.setRenderHint(QPainter.Antialiasing)
self.connection = None
def paint(self, painter, option, widget):
w = self.w
h = self.h
key = QPainterPath()
key.setFillRule(Qt.WindingFill)
painter.save()
painter.rotate(self.angle)
key.moveTo(0.0, 0.0)
key.lineTo(w, 0.0)
key.lineTo(w, h)
key.lineTo(0.0, h)
painter.fillPath(key, self.color)
painter.setPen(QPen(Qt.white, 1))
key.moveTo(0, 0)
painter.drawLine(0, 0, w, 0)
painter.drawLine(w, 0, w, h)
painter.drawLine(w, h, 0, h)
painter.drawLine(0, h, 0, 0)
painter.setPen(Qt.white)
metric = painter.fontMetrics()
margin = 5
textBound = metric.boundingRect(self.text)
painter.drawText(margin, h - margin, self.text)
painter.restore()
def __init__(self, parent):
super(QNEBlock, self).__init__(parent)
self.m_nodeEditor = None
self.m_name = ""
self.m_uuid = ""
self.normalBrush = QApplication.palette().dark()
normalColor = self.normalBrush.color()
normalColor.setAlphaF(0.8)
self.normalBrush.setColor(normalColor)
self.selectedBrush = QApplication.palette().light()
selectedColor = self.selectedBrush.color()
selectedColor.setAlphaF(0.8)
self.selectedBrush.setColor(selectedColor)
self.pen = QPen(QApplication.palette().text().color(), 1)
path = QPainterPath()
path.addRoundedRect(-50, -15, 100, 30, 5, 5)
self.setPath(path)
self.setBrush(self.normalBrush)
self.setFlag(QGraphicsItem.ItemIsMovable)
self.setFlag(QGraphicsItem.ItemIsSelectable)
self.effect = QGraphicsDropShadowEffect(None)
self.effect.setBlurRadius(8)
self.effect.setOffset(2, 2)
self.setGraphicsEffect(self.effect)
self.horzMargin = 20
self.vertMargin = 5
self.width = self.horzMargin
self.height = self.vertMargin
def _draw_indicator(self, event, qp):
cx, cy, w, r = self._get_geometry(event)
pen = qp.pen()
pen.setWidth(3)
pen.setColor(Qt.black)
qp.setPen(pen)
qp.setBrush(Qt.black)
ro = r - 10
cx, cy = r + 5, r + 5
qp.translate(cx, cy)
qp.rotate(self.indicator)
path = QPainterPath()
path.moveTo(-2, 0)
path.lineTo(0, -ro)
path.lineTo(2, 0)
qp.drawPath(path)
cr = 10
cr2 = cr / 2.0
qp.drawEllipse(-cr2, -cr2, cr, cr)
def set_shape(self, width, height):
''' Define the bouding rectangle of the JOIN symbol '''
circ = min(width, height)
path = QPainterPath()
path.addEllipse(0, 0, circ, circ)
self.setPath(path)
super(Join, self).set_shape(width, height)
def _draw_serie(self, painter, ndx_serie, color):
serie = self.data[ndx_serie]
if not serie:
return
qp = QPainterPath()
# qp.addRect(2,2,total_width-4,total_height-4)
x = float(0) * self.x_factor
y = serie[0] * self.y_factor
qp.moveTo(self.x_centers[0],self.y_base - y)
# print y_base
for i in range(1,len(serie)):
x = float(i) * self.x_factor
y = float(serie[i]) * self.y_factor
qp.lineTo(self.x_centers[i], self.y_base-y)
pen = QPen()
pen.setColor(color)
if ndx_serie == self.ndx_best_serie:
pen.setWidth(6)
else:
pen.setWidth(2)
painter.setPen(pen)
painter.drawPath(qp)
def _draw_serie(self, painter, ndx_serie, color):
serie = self.data[ndx_serie]
#mainlog.debug(serie)
fill_color = QColor(color)
fill_color.setAlpha(64)
brush = QBrush(fill_color)
pen = QPen()
pen.setCapStyle(Qt.SquareCap)
pen.setColor(color)
qp = QPainterPath()
painter.setPen(pen)
for i in range(len(serie)):
x, y_top, y_below = self._item_coordinates(i)
h = max(1, float(y_top - y_below - 1))
qp.addRect( x,
float(self.y_base-y_top),
float(self.bar_width),
h)
painter.fillPath(qp,brush)
painter.drawPath(qp)
#mainlog.debug("Drawing peak values, juste before {}".format(self._peak_values))
if self._peak_values:
#mainlog.debug("Drawing peak values")
self._draw_peak_values(painter, self._peak_values )
def addPort(self, name, hasInput=False, hasOutput=False, flags=0):
port = QNEPort(self)
port.setName(name)
port.setCanConnect(hasInput, hasOutput)
port.setNEBlock(self)
port.setPortFlags(flags)
innerSize = port.innerSize()
width = innerSize.width()
height = innerSize.height()
if width > self.width - self.horzMargin:
self.width = width + self.horzMargin
self.height += height
path = QPainterPath()
path.addRoundedRect(-self.width / 2, -self.height / 2, self.width,
self.height, 5, 5)
self.setPath(path)
y = -self.height / 2 + self.vertMargin + port.radius()
for port_ in self.childItems():
if port_.type() != QNEPort.Type:
continue
port_.setPos(-self.width / 2 - port.radius(), y)
port_.setWidth(self.width)
y += port_.innerSize().height()
return port
def reshape(self):
''' Update the connection shape - redefined: if the last element
of a branch is e.g. a nextstate, don't join the connection point '''
if self.parentItem().terminal_symbol:
self.setPath(QPainterPath())
else:
super(JoinConnection, self).reshape()
def _draw_horizontal_ruler(self, painter, text, y_value, color):
y = y_value * self.y_factor
pen = QPen()
pen.setCapStyle(Qt.SquareCap)
pen.setColor(color)
qp = QPainterPath()
r = QRect(1,1,1000,1000)
bb = painter.boundingRect(r,Qt.AlignLeft,text)
bb = QRect(self.x_base,self.y_base - y - bb.height(), bb.width() + 2, bb.height())
# print("{} {} {} {}".format(bb.x(),bb.y(),bb.width(),bb.height()))
fill_color = QColor(0,0,0)
fill_color.setAlpha(128)
brush = QBrush(fill_color)
painter.fillRect(bb,brush)
qp.moveTo(self.x_base,self.y_base - y)
qp.lineTo(self.total_width + self.x_base, self.y_base - y)
painter.setPen(pen)
painter.drawPath(qp)
text_pen = QPen()
text_pen.setCapStyle(Qt.RoundCap)
text_pen.setColor(color) # alpha=255=fully opaque
text_pen.setWidth(1)
painter.setPen(text_pen)
painter.drawText(self.x_base,self.y_base - y - 5,text)
def __init__(self, strng, x, y, rgb, parent=None):
#OVERLOADED IMPL?# TextSingleObject::TextSingleObject(TextSingleObject* obj, QGraphicsItem* parent) : BaseObject(parent)
"""
Default class constructor.
:param `strng`: TOWRITE
:type `strng`: QString
:param `x`: TOWRITE
:type `x`: qreal
:param `y`: TOWRITE
:type `y`: qreal
:param `rgb`: TOWRITE
:type `rgb`: QRgb
:param `parent`: TOWRITE
:type `parent`: `QGraphicsItem`_
"""
super(TextSingleObject, self).__init__(parent)
qDebug("TextSingleObject Constructor()")
self.objText = str()
self.objTextFont = str()
self.objTextJustify = str()
self.objTextSize = float() # qreal
self.objTextBold = bool()
self.objTextItalic = bool()
self.objTextUnderline = bool()
self.objTextStrikeOut = bool()
self.objTextOverline = bool()
self.objTextBackward = bool()
self.objTextUpsideDown = bool()
self.objTextPath = QPainterPath()
self.init(str, x, y, rgb, Qt.SolidLine) # TODO: getCurrentLineType
def _draw_selected_items_in_series(self, painter):
fm = painter.fontMetrics()
pen = QPen()
pen.setWidth(1)
pen.setColor(Qt.GlobalColor.white)
painter.setPen(pen)
# We assume all series have the very same number of values
# and all values on the same index are drawn on the same X
# coordinate
ndx_serie = self.best_serie_intra_ndx
aesthetic_shift = 5
if ndx_serie is not None:
to_draw = []
for i in range(len(self.data)):
x, y = self._item_coordinates_lines(i, ndx_serie)
#mainlog.debug("{} {}".format(ndx_serie,i))
v = self.data[i][ndx_serie]
text = str(int(v))
to_draw.append( (self.y_base - y, text) )
last_y = 100000
for y, text in sorted( to_draw, key=lambda z : z[0], reverse=True):
r = QRect(x + aesthetic_shift,0,1000,1000)
bb = painter.boundingRect(r,Qt.AlignLeft,text)
if bb.right() > self.width():
x = x - bb.width() - 2*aesthetic_shift# left align
if y + bb.height() > last_y:
y = last_y - bb.height()
fill_color = QColor(16, 16, 48)
fill_color.setAlpha(196)
brush = QBrush(fill_color)
margin = 2
r = QRect(x + aesthetic_shift - margin,
y - aesthetic_shift - bb.height() - margin,
bb.width() + 2*margin,
bb.height() + 2*margin)
painter.fillRect(r, brush)
painter.drawText(x + aesthetic_shift,
y - aesthetic_shift,
text)
last_y = y
x, y = self._item_coordinates_lines(0, ndx_serie)
qp = QPainterPath()
qp.moveTo(x, self.y_base)
qp.lineTo(x, self.y_base - self.total_height)
painter.drawPath(qp)
def objectSavePath(self):
"""
TOWRITE
:rtype: `QPainterPath`_
"""
path = QPainterPath()
path.lineTo(self.objectDeltaX(), self.objectDeltaY())
return path
def objectSavePath(self):
"""
TOWRITE
:rtype: `QPainterPath`_
"""
path = QPainterPath()
path.addRect(-0.00000001, -0.00000001, 0.00000002, 0.00000002)
return path
def __init__(self, pos, edge, symbol):
''' Create the point - as a small, lightblue box '''
super(Connectionpoint, self).__init__(pos, edge=edge)
path = QPainterPath()
path.addRect(0, 0, 10, 10)
self.setPath(path)
self.setPos(pos.x() - 5, pos.y() - 5)
# Symbol actually owning the connection point
self.symbol = symbol
def set_shape(self, width, height):
''' Compute the polygon to fit in width, height '''
path = QPainterPath()
path.lineTo(width, 0)
path.lineTo(width, height)
path.lineTo(0, height)
path.lineTo(0, 0)
self.setPath(path)
super(Task, self).set_shape(width, height)
def set_shape(self, width, height):
''' Compute the polygon to fit in width, height '''
path = QPainterPath()
path.addRect(0, 0, width, height)
path.moveTo(7, 0)
path.lineTo(7, height)
path.moveTo(width - 7, 0)
path.lineTo(width - 7, height)
self.setPath(path)
super(ProcedureCall, self).set_shape(width, height)
def shape(self):
"""
Returns the shape of this item as a QPainterPath in local coordinates.
"""
path = QPainterPath()
path.addRect(self.rect())
if self.isSelected():
for shape in self.handles.values():
path.addEllipse(shape)
return path
def set_shape(self, width, height):
''' Define polygon points to draw the symbol '''
path = QPainterPath()
path.moveTo(width / 2, 0)
path.lineTo(width, height / 2)
path.lineTo(width / 2, height)
path.lineTo(0, height / 2)
path.lineTo(width / 2, 0)
self.setPath(path)
super(Decision, self).set_shape(width, height)
def set_shape(self, width, height):
''' Compute the polygon to fit in width, height '''
path = QPainterPath()
path.addRoundedRect(0, 0, width, height, height / 2, height / 2)
path.moveTo(min(width / 2, height / 2), 0)
path.lineTo(min(width / 2, height / 2), height)
path.moveTo(max(width / 2, width - height / 2), 0)
path.lineTo(max(width / 2, width - height / 2), height)
self.setPath(path)
super(Start, self).set_shape(width, height)
def setRectFromRect(self, r):
"""
TOWRITE
:param `r`: TOWRITE
:type `r`: QPointF
"""
p = QPainterPath()
p.addRect(r)
self.setPath(p)
def set_shape(self, width, height):
''' Compute the polygon to fit in width, height '''
self.setPen(QPen(Qt.blue))
self.textbox_alignment = Qt.AlignLeft | Qt.AlignTop
path = QPainterPath()
path.moveTo(0, 0)
path.lineTo(0, height)
#path.moveTo(0, height / 2)
#path.lineTo(width, height / 2)
self.setPath(path)
super(Input, self).set_shape(width, height)
def fillEllipse(
self,
painter,
x,
y,
size,
brush,
):
path = QPainterPath()
path.addEllipse(x, y, size, size)
painter.fillPath(path, brush)
def reshape(self):
''' Update the shape of the edge (redefined function) '''
path = QPainterPath()
# If there is a starting point, draw a line to the first curve point
if self.start_point:
path.moveTo(self.source_connection.center)
path.lineTo(self.bezier[0])
else:
path.moveTo(self.source_connection.center)
# Loop over the curve points:
for group in self.bezier[1:]:
path.cubicTo(*[point.center for point in group])
# If there is an ending point, draw a line to it
if self.end_point:
path.lineTo(self.end_connection.center)
end_point = path.currentPosition()
arrowhead = self.angle_arrow(path)
path.lineTo(arrowhead[0])
path.moveTo(end_point)
path.lineTo(arrowhead[1])
path.moveTo(end_point)
try:
# Add the transition label, if any (none for the START edge)
font = QFont('arial', pointSize=8)
metrics = QFontMetrics(font)
label = self.edge.get('label', '') or ''
lines = label.split('\n')
width = metrics.width(max(lines)) # longest line
height = metrics.height() * len(lines)
# lp is the position of the center of the text
pos = self.mapFromScene(*self.edge['lp'])
if not self.text_label:
self.text_label = QGraphicsTextItem(self.edge.get('label', ''),
parent=self)
self.text_label.setX(pos.x() - width / 2)
self.text_label.setY(pos.y() - height / 2)
self.text_label.setFont(font)
# Make horizontal center alignment, as dot does
self.text_label.setTextWidth(
self.text_label.boundingRect().width())
fmt = QTextBlockFormat()
fmt.setAlignment(Qt.AlignHCenter)
cursor = self.text_label.textCursor()
cursor.select(QTextCursor.Document)
cursor.mergeBlockFormat(fmt)
cursor.clearSelection()
self.text_label.setTextCursor(cursor)
self.text_label.show()
except KeyError:
# no label
pass
self.setPath(path)
def __init__(self, pos, edge):
''' Set the original control point - with color, shape '''
path = QPainterPath()
path.addEllipse(pos.x() - 5, pos.y() - 5, 10, 10)
super(Controlpoint, self).__init__(path, parent=edge)
self.setPen(QColor(50, 100, 120, 200))
self.setBrush(QColor(200, 200, 210, 120))
self.setFlags(QGraphicsItem.ItemIsSelectable
| QGraphicsItem.ItemIsMovable)
self.edge = edge
self.hide()
def updatePath(self):
"""
TOWRITE
"""
path = QPainterPath()
r = self.rect() # QRectF
path.arcMoveTo(r, 0)
path.arcTo(r, 0, 360)
# NOTE: Reverse the path so that the inside area isn't considered part of the ellipse
path.arcTo(r, 0, -360)
self.setObjectPath(path)
