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 __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_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, isOutput = False, flags = 0, ptr = None):
port = QNEPort(self)
port.setName(name)
port.setIsOutput(isOutput)
port.setNEBlock(self)
port.setPortFlags(flags)
port.setPtr(ptr)
fontmetrics = QFontMetrics(self.scene().font());
width = fontmetrics.width(name)
height = fontmetrics.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
if port_.isOutput():
port_.setPos(self.width/2 + port.radius(), y)
else:
port_.setPos(-self.width/2 - port.radius(), y)
y += height;
return port
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 __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 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)
class SelectedMineral:
def __init__(self, parent, code, persistent = False):
self.parent = parent
self.persistent = persistent
self.isActive = True # maybe to delete
self.code = code
self.name = self.parent.qtColorsNames[self.code][0]
self.color = self.parent.qtColorsNames[self.code][1]
self.painterPath = QPainterPath()
self.verts, self.edges = parent.fetchMineral(self.code)
if not self.verts:
self.isActive = False
# TODO: try to make it static or abstract in the future
def project(self, projector, alef=19, bet=30):
self.points = {}
projector.setupProjectionMatrix(alef, bet)
for k, v in self.verts.iteritems():
self.points[k] = projector.project(v).tolist()
for edge in self.edges.values():
p1 = self.points[edge[0]]
p2 = self.points[edge[1]]
self.painterPath.moveTo(p1[0], p1[1])
self.painterPath.lineTo(p2[0], p2[1])
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 animate(self, shapes):
self.start_signal.emit()
time.sleep(self.start_delay)
self.running = True
self.ended = False
max_radius = []
original_clips = []
centers = []
animating_radius = []
inc_rate = []
for s in shapes:
# Setting max of width or height as radius, ergo "circular" reveal,
# not "oval" reveal
target = max(s.width, s.height)
max_radius.append(target)
# Starting from the zero reaching the max
animating_radius.append(0)
# Getting the original masks; Used in case of cancelation
original_clips.append(s.clip)
# Center of the shape, considering margin
centers.append(QPoint((s.width / 2) + s.margin_start, (s.height / 2) + s.margin_top))
# Calculating the increase rate using the good ol' formula
inc_rate.append((target / self.fps) * (1000 / self.duration))
while self.running or self.paused:
if self.canceled:
for i, s in enumerate(shapes):
s.clip = original_clips[i]
self.cancel_signal.emit()
return
elif self.ended:
self.end_signal.emit()
return
elif self.paused:
# Handling the pause
self.pause_signal.emit()
while not self.paused:
pass
self.resume_signal.emit()
else:
# Setting FPS from the animator
time.sleep(1 / self.fps)
completed = False
for i, s in enumerate(shapes):
if animating_radius[i] < max_radius[i]:
path = QPainterPath()
path.addEllipse(centers[i], animating_radius[i], animating_radius[i])
s.clip = path
s.update()
QApplication.processEvents()
animating_radius[i] += inc_rate[i]
else:
completed = True
# No need to check on every iteration, duration is same so
# all objects are gonna end at the same time
if completed:
self.end_signal.emit()
self.started = False
self.ended = True
return
def objectSavePath(self):
"""
TOWRITE
:rtype: `QPainterPath`_
"""
path = QPainterPath()
path.lineTo(self.objectDeltaX(), self.objectDeltaY())
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 objectSavePath(self):
"""
TOWRITE
:rtype: `QPainterPath`_
"""
path = QPainterPath()
path.addRect(-0.00000001, -0.00000001, 0.00000002, 0.00000002)
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 objectSavePath(self):
"""
TOWRITE
:rtype: `QPainterPath`_
"""
path = QPainterPath()
path.lineTo(self.objectDeltaX(), self.objectDeltaY())
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 setRectFromRect(self, r):
"""
TOWRITE
:param `r`: TOWRITE
:type `r`: QPointF
"""
p = QPainterPath()
p.addRect(r)
self.setPath(p)
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 fillEllipse(
self,
painter,
x,
y,
size,
brush,
):
path = QPainterPath()
path.addEllipse(x, y, size, size)
painter.fillPath(path, brush)
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 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 setLineFromLine(self, li):
"""
TOWRITE
:param `li`: TOWRITE
:type `li`: QPointF
"""
p = QPainterPath()
p.moveTo(li.p1())
p.lineTo(li.p2())
self.setPath(p)
self.objLine = li
def updatePath(self):
path = QPainterPath()
path.moveTo(self.pos1)
dx = self.pos2.x() - self.pos1.x()
dy = self.pos2.y() - self.pos1.y()
ctr1 = QPointF(self.pos1.x() + dx * 0.25, self.pos1.y() + dy * 0.1)
ctr2 = QPointF(self.pos1.x() + dx * 0.75, self.pos1.y() + dy * 0.9)
path.cubicTo(ctr1, ctr2, self.pos2)
self.setPath(path)
def shape(self):
bound = QPainterPath()
rotMatrix = QTransform().rotate(self.angle)
poly = QPolygonF([
QPointF(0, 0),
QPointF(self.w, 0),
QPointF(self.w, self.h),
QPointF(0, self.h),
])
poly = rotMatrix.map(poly)
bound.addPolygon(poly)
return bound
def set_shape(self, width, height):
''' Compute the polygon to fit in width, height '''
path = QPainterPath()
path.addRoundedRect(0, 0, width, height, height / 4, height)
if self.nested_scene and self.is_composite():
# Distinguish composite states with dash line
self.setPen(QPen(Qt.DashLine))
else:
self.setPen(QPen(Qt.SolidLine))
self.setPath(path)
super(State, self).set_shape(width, height)
def __init__(self, parent):
super(QNEOutputPort, self).__init__(parent)
self.parent = parent
self.setPen(self.parent.pen())
self.setBrush(self.parent.brush())
radius_ = parent.radius_
path = QPainterPath()
path.addEllipse(0, -radius_, 2 * radius_, 2 * radius_)
self.setPath(path)
def set_shape(self, width, height):
''' Compute the polygon to fit in width, height '''
path = QPainterPath()
path.addRoundedRect(0, 0, width, height, height / 4, height)
if self.nested_scene and self.is_composite():
# Distinguish composite states with dash line
self.setPen(QPen(Qt.DashLine))
else:
self.setPen(QPen(Qt.SolidLine))
self.setPath(path)
super(State, self).set_shape(width, height)
def __init__(self, parent):
super(QNEOutputPort, self).__init__(parent)
self.parent = parent
self.setPen(self.parent.pen())
self.setBrush(self.parent.brush())
radius_ = parent.radius_
path = QPainterPath()
path.addEllipse(0, -radius_, 2*radius_, 2*radius_)
self.setPath(path)
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 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 paintEvent(self, event):
cX = self.parent.leftMargin + self.scaleMarkLen
cY = self.parent.topMargin + self.scaleMarkLen
worldX = self.parent.chunkX*16
worldZ = self.parent.chunkZ*16
painter = QPainter()
path = QPainterPath()
painter.begin(self)
painter.save()
#painter.setFont(QFont('Arial Narrow', 8)) #QFont.Bold
# draw scale
x = cX
y = cY
painter.rotate(-90)
for i in range(16):
fr = QRectF(-y, x, self.scaleMarkLen, self.edgeLen)
painter.drawText(fr, Qt.AlignHCenter | Qt.AlignVCenter, '-5555')
painter.drawRect(fr)
#fr = QRectF(-y - 16*self.edgeLen - self.scaleMarkLen, x, self.scaleMarkLen, self.edgeLen)
#painter.drawText(fr, Qt.AlignHCenter | Qt.AlignVCenter, '-5555')
#painter.drawRect(fr)
x += self.edgeLen
painter.rotate(90)
x = self.parent.leftMargin
y = cY
for i in range(16):
fr = QRectF(x, y, self.scaleMarkLen, self.edgeLen)
painter.drawText(fr, Qt.AlignHCenter | Qt.AlignVCenter, '-5555')
painter.drawRect(fr)
#fr = QRectF(x + self.scaleMarkLen + 16*self.edgeLen, y, self.scaleMarkLen, self.edgeLen)
#painter.drawText(fr, Qt.AlignHCenter | Qt.AlignVCenter, '-5555')
#painter.drawRect(fr)
y += self.edgeLen
x = cX
y = cY
for i in range(16):
for j in range(16):
path.addRect(x, y, self.edgeLen, self.edgeLen)
fr = QRectF(x, y, self.edgeLen, self.edgeLen)
#painter.drawText(fr, Qt.AlignHCenter | Qt.AlignVCenter, '-5555')
x += self.edgeLen
x = cX
y += self.edgeLen
painter.drawPath(path)
painter.restore()
painter.end()
del painter
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 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 paint(self, painter, styleOption, widget):
''' Reimplemented to paint elements in alternating colors '''
path = self.path() # alias
pathEnd = None
i = 0
while True:
try:
element = path.elementAt(i)
# print type(element), element.type
if element.isMoveTo():
pathEnd = QPointF(element.x, element.y)
i+=1
elif element.isCurveTo():
# Gather curve data, since is spread across elements of type curveElementData
cp1 = QPointF(element.x, element.y)
element = path.elementAt(i+1)
cp2 = QPointF(element.x, element.y)
element = path.elementAt(i+2)
newEnd = QPointF(element.x, element.y)
# create a subpath, since painter has no drawCubic method
subpath=QPainterPath()
subpath.moveTo(pathEnd)
subpath.cubicTo(cp1, cp2, newEnd)
painter.drawPath(subpath)
pathEnd = newEnd
i+=3
else:
print "unhandled path element", element.type
i+=1
"""
TODO: if SegmentStringss contain lines (w/o Direction ControlPoints)
!!! We don't use QPathElements of type Line
elif element.isLineTo():
newEnd = QPointF(element.x, element.y)
painter.drawLine(pathEnd, newEnd)
pathEnd = newEnd
i+=1
"""
if i >= path.elementCount():
break
except Exception as inst:
print inst
break
# Alternate colors
if i%2 == 1:
painter.setPen(Qt.blue)
else:
painter.setPen(Qt.red)
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 updatePath(self):
"""
TOWRITE
"""
path = QPainterPath()
r = self.rect() # QRectF
# Add the center point.
path.addRect(-0.00000001, -0.00000001, 0.00000002, 0.00000002)
# Add the circle.
path.arcMoveTo(r, 0)
path.arcTo(r, 0, 360)
# NOTE: Reverse the path so that the inside area isn't considered part of the circle.
path.arcTo(r, 0, -360)
self.setObjectPath(path)
def setCanConnect(self, hasInput, hasOutput):
self.hasInput_ = hasInput
self.hasOutput_ = hasOutput
if self.hasOutput_:
self.outputPort.setVisible(True)
else:
self.outputPort.setVisible(False)
path = QPainterPath()
if self.hasInput_:
path.addEllipse(0, -self.radius_, 2*self.radius_, 2*self.radius_)
else:
pass
self.setPath(path)
def __init__(self, parent):
super(QNEBlock, self).__init__(parent)
path = QPainterPath()
path.addRoundedRect(-50, -15, 100, 30, 5, 5);
self.setPath(path)
self.setPen(QPen(Qt.darkGreen))
self.setBrush(Qt.green)
self.setFlag(QGraphicsItem.ItemIsMovable)
self.setFlag(QGraphicsItem.ItemIsSelectable)
self.horzMargin = 20
self.vertMargin = 5
self.width = self.horzMargin
self.height = self.vertMargin
def setRectFromXYWH(self, x, y, w, h):
"""
TOWRITE
:param `x`: TOWRITE
:type `x`: qreal
:param `y`: TOWRITE
:type `y`: qreal
:param `w`: TOWRITE
:type `w`: qreal
:param `h`: TOWRITE
:type `h`: qreal
"""
p = QPainterPath()
p.addRect(x, y, w, h)
self.setPath(p)
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 objectSavePath(self):
"""
TOWRITE
:rtype: `QPainterPath`_
"""
path = QPainterPath()
r = self.rect() # QRectF
path.arcMoveTo(r, 0)
path.arcTo(r, 0, 360)
s = self.scale() # qreal
trans = QTransform()
trans.rotate(self.rotation())
trans.scale(s, s)
return trans.map(path)
def setCanConnect(self, hasInput, hasOutput):
self.hasInput_ = hasInput
self.hasOutput_ = hasOutput
if self.hasOutput_:
self.outputPort.setVisible(True)
else:
self.outputPort.setVisible(False)
path = QPainterPath()
if self.hasInput_:
path.addEllipse(0, -self.radius_, 2 * self.radius_,
2 * self.radius_)
else:
pass
self.setPath(path)
def reshape(self):
''' Update the connection or arrow shape '''
shape = QPainterPath()
shape.moveTo(self.start_point)
for point in self.middle_points:
shape.lineTo(point)
shape.lineTo(self.end_point)
# If required draw an arrow head (e.g. in SDL NEXTSTATE and JOIN)
if self.child.arrow_head:
self.draw_arrow_head(shape, origin='head',
kind=self.child.arrow_head)
if self.child.arrow_tail:
shape.moveTo(shape.pointAtPercent(0))
self.draw_arrow_head(shape, origin='tail',
kind=self.child.arrow_head)
self.setPath(shape)
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_edge(self, painter, option, edge, lane_offset):
from_y = 0.5 + lane_offset
to_y = 1 + from_y
pen = QPen(self.edge_color(edge.color), self.edge_thickness,
Qt.SolidLine, Qt.FlatCap, Qt.RoundJoin)
painter.setPen(pen)
if edge.from_lane == edge.to_lane:
line_x = edge.from_lane + 0.5
painter.drawLine(QPointF(line_x, from_y), QPointF(line_x, to_y))
else:
from_x = edge.from_lane + 0.5
to_x = edge.to_lane + 0.5
path = QPainterPath()
path.moveTo(QPointF(from_x, from_y))
path.cubicTo(from_x, from_y + 0.5, to_x, to_y - 0.5, to_x, to_y)
painter.drawPath(path)
def setupPaint(self):
"""Offscreen rather than onscreen redraw (few changes)."""
path = QPainterPath()
if self.data.isInput:
path.addEllipse(
self.pinW / 2, self.pinW / 2, self.bodyW, self.bodyW)
else:
path.addRect(
3 * self.pinW / 2 + 1, self.pinW / 2, self.bodyW, self.bodyW)
path.addPath(self.pinPath)
self.setPath(path)
self.name.setVisible(self.showName)
self.name.setText(self.data.name)
br = self.mapToScene(self.boundingRect())
w = self.boundingRect().width()
h = self.boundingRect().height()
realX = min([i.x() for i in br])
realY = min([i.y() for i in br])
self.name.setPos(self.mapFromScene(
realX, realY + (w if self.rotation() % 180 else h) + 1))
self.value.setText(
str(int(self.data.value)) if self.data.value is not None else 'E')
self.value.setPos(self.mapFromScene(realX + w / 3, realY + h / 3))
self.value.setBrush(QColor('green' if self.data.value else 'red'))
self.update() # Force onscreen redraw after changes.
def updatePath(self):
"""
TOWRITE
"""
path = QPainterPath()
r = self.rect() # QRectF
# Add the center point.
path.addRect(-0.00000001, -0.00000001, 0.00000002, 0.00000002)
# Add the circle.
path.arcMoveTo(r, 0)
path.arcTo(r, 0, 360)
# NOTE: Reverse the path so that the inside area isn't considered part of the circle.
path.arcTo(r, 0, -360)
self.setObjectPath(path)
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 setLineFromXXYY(self, x1, y1, x2, y2):
"""
TOWRITE
:param `x1`: TOWRITE
:type `x1`: qreal
:param `y1`: TOWRITE
:type `y1`: qreal
:param `x2`: TOWRITE
:type `x2`: qreal
:param `y2`: TOWRITE
:type `y2`: qreal
"""
p = QPainterPath()
p.moveTo(x1, y1)
p.lineTo(x2, y2)
self.setPath(p)
self.objLine.setLine(x1, y1, x2, y2)
def italic_block(self, start, width, h):
slope = 0.3
# The QPoint below are ordered this way :
# 1__2
# / /
# 4__3
pts = []
pts.append(QPointF(start + h*slope,2))
pts.append(QPointF(start + h*slope + width,2))
pts.append(QPointF(start + 1 + width,h-1))
pts.append(QPointF(start + 1,h-1))
pts.append(pts[0]) # Closes the path
qpp = QPainterPath()
qpp.addPolygon(QPolygonF(pts))
return qpp
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)
def __init__(self, scene):
''' Initialize the game '''
self.scene = scene
scene.scene_left.connect(self.quit_scene)
self.rocket = Rocket()
self.width = self.scene.sceneRect().width()
self.height = self.scene.sceneRect().height()
self.screen_bottom = self.height - self.rocket.boundingRect().height()
scene.addItem(self.rocket)
# Compute random land points
random.seed()
p1 = QPointF(0.0, random.uniform(0.0, self.height))
p2 = QPointF(random.uniform(0.0, self.width / 4.0),
random.uniform(0.0, self.height))
p3 = QPointF(random.uniform(p2.x(), 2 * self.width / 3.0), self.height)
p4 = QPointF(p3.x() + 40.0, self.height)
p5 = QPointF(self.width, random.uniform(0.0, self.height))
path = QPainterPath(p1)
slope = (p2.y() - p1.y()) / (p2.x() - p1.x())
sign = 3
for point in range(int((p2.x() - p1.x()) / 5)):
sign = -sign
x = p1.x() + point * 5
path.lineTo(x, slope * x + sign)
path.lineTo(p2)
path.lineTo(p3)
path.lineTo(p4)
path.lineTo(p5)
scene.addPath(path)
# Initialize the music
try:
self.music = phonon.Phonon.createPlayer(
phonon.Phonon.MusicCategory,
phonon.Phonon.MediaSource(':/lander.mp3'))
except NameError:
LOG.warning('Could not initialise phonon')
# Initialize the animation for the translation of the rocket
self.animation = QtCore.QPropertyAnimation(self.rocket, "position")
self.rocket_position = None
# Initialize the animation for the rotation of the rocket
self.rotation = QtCore.QPropertyAnimation(self.rocket, "angle")
# Catch the key events to add user interaction:
self.scene.keyPressEvent = lambda x: self.key(x)
# updateCurrentTime is called by Qt when time changes
self.animation.updateCurrentTime = lambda x: self.time_progress(x)
# Connect signal sent at end of animation
self.animation.finished.connect(self.animation_finished)
def realRender(self, painter, renderPath): # TODO/PORT: Still needs work.
"""
TOWRITE
:param `painter`: TOWRITE
:type `painter`: `QPainter`_
:param `renderPath`: TOWRITE
:type `renderPath`: `QPainterPath`_
"""
color1 = self.objectColor() #QColor # lighter color
color2 = color1.darker(150) #QColor # darker color
# If we have a dark color, lighten it
darkness = color1.lightness() #int
threshold = 32 #int #TODO: This number may need adjusted or maybe just add it to settings.
if darkness < threshold:
color2 = color1
if not darkness:
color1 = QColor(threshold, threshold, threshold) # lighter() does not affect pure black
else :
color1 = color2.lighter(100 + threshold)
count = renderPath.elementCount() # int
for i in range(0, count - 1): # for(int i = 0; i < count-1; ++i);
elem = renderPath.elementAt(i) # QPainterPath::Element
next = renderPath.elementAt(i + 1) # QPainterPath::Element
if next.isMoveTo():
continue
elemPath = QPainterPath()
elemPath.moveTo(elem.x, elem.y)
elemPath.lineTo(next.x, next.y)
renderPen = QPen(QColor(0, 0, 0, 0))
renderPen.setWidthF(0)
painter.setPen(renderPen)
stroker = QPainterPathStroker()
stroker.setWidth(0.35)
stroker.setCapStyle(Qt.RoundCap)
stroker.setJoinStyle(Qt.RoundJoin)
realPath = stroker.createStroke(elemPath) # QPainterPath
painter.drawPath(realPath)
grad = QLinearGradient(elemPath.pointAtPercent(0.5), elemPath.pointAtPercent(0.0))
grad.setColorAt(0, color1)
grad.setColorAt(1, color2)
grad.setSpread(QGradient.ReflectSpread)
painter.fillPath(realPath, QBrush(grad))
def __init__(self, parent):
super(QNEPort, self).__init__(parent)
self.label = QGraphicsTextItem(self)
self.radius_ = 4
self.margin = 3
path = QPainterPath()
path.addEllipse(-self.radius_, -self.radius_, 2*self.radius_, 2*self.radius_);
self.setPath(path)
self.setPen(QPen(Qt.darkRed))
self.setBrush(Qt.red)
self.setFlag(QGraphicsItem.ItemSendsScenePositionChanges)
self.m_portFlags = 0
self.isOutput_ = False
self.m_block = None
self.m_connections = []
