def createImage(self, transform):
if self.type == DemoTextItem.DYNAMIC_TEXT:
return None
sx = min(transform.m11(), transform.m22())
sy = max(transform.m22(), sx)
textItem = QGraphicsTextItem()
textItem.setHtml(self.text)
textItem.setTextWidth(self.textWidth)
textItem.setFont(self.font)
textItem.setDefaultTextColor(self.textColor)
textItem.document().setDocumentMargin(2)
w = textItem.boundingRect().width()
h = textItem.boundingRect().height()
image = QImage(int(w * sx), int(h * sy),
QImage.Format_ARGB32_Premultiplied)
image.fill(QColor(0, 0, 0, 0).rgba())
painter = QPainter(image)
painter.scale(sx, sy)
style = QStyleOptionGraphicsItem()
textItem.paint(painter, style, None)
return image
def createImage(self, transform):
if self.type == DemoTextItem.DYNAMIC_TEXT:
return None
sx = min(transform.m11(), transform.m22())
sy = max(transform.m22(), sx)
textItem = QGraphicsTextItem()
textItem.setHtml(self.text)
textItem.setTextWidth(self.textWidth)
textItem.setFont(self.font)
textItem.setDefaultTextColor(self.textColor)
textItem.document().setDocumentMargin(2)
w = textItem.boundingRect().width()
h = textItem.boundingRect().height()
image = QImage(int(w * sx), int(h * sy),
QImage.Format_ARGB32_Premultiplied)
image.fill(QColor(0, 0, 0, 0).rgba())
painter = QPainter(image)
painter.scale(sx, sy)
style = QStyleOptionGraphicsItem()
textItem.paint(painter, style, None)
return image
def set_functions_list(self, functionsList, prefix="", sufix=""):
self.funtionsList = functionsList
self.funtionsListItems = []
self.maxHeight = 0
tempHeight = 0
for element in functionsList:
tempElement = QGraphicsTextItem(self)
tempElement.setPlainText(prefix + element + sufix)
tempElement.setPos(0, tempHeight)
tempHeight += tempElement.document().size().height()
if self.maxWidth < tempElement.document().size().width():
self.maxWidth = tempElement.document().size().width()
self.funtionsListItems.append(tempElement)
self.maxHeight = tempHeight
class Barometer(QWidget):
def __init__(self, parent):
super().__init__(parent)
self.uas = None
svgRenderer = QSvgRenderer('res/barometer.svg')
bkgnd = QGraphicsSvgItem()
bkgnd.setSharedRenderer(svgRenderer)
bkgnd.setCacheMode(QGraphicsItem.NoCache)
bkgnd.setElementId('background')
scene = QGraphicsScene()
scene.addItem(bkgnd)
scene.setSceneRect(bkgnd.boundingRect())
self.needle = QGraphicsSvgItem()
self.needle.setSharedRenderer(svgRenderer)
self.needle.setCacheMode(QGraphicsItem.NoCache)
self.needle.setElementId('needle')
self.needle.setParentItem(bkgnd)
self.needle.setPos(
bkgnd.boundingRect().width() / 2 -
self.needle.boundingRect().width() / 2,
bkgnd.boundingRect().height() / 2 -
self.needle.boundingRect().height() / 2)
self.needle.setTransformOriginPoint(
self.needle.boundingRect().width() / 2,
self.needle.boundingRect().height() / 2)
# textElement = svgRenderer.boundsOnElement('needle-text')
self.digitalBaro = QGraphicsTextItem()
self.digitalBaro.setDefaultTextColor(QColor(255, 255, 255))
self.digitalBaro.document().setDefaultTextOption(
QTextOption(Qt.AlignCenter))
self.digitalBaro.setFont(QFont('monospace', 13, 60))
self.digitalBaro.setParentItem(bkgnd)
txm = QTransform()
txm.translate(
bkgnd.boundingRect().center().x(),
bkgnd.boundingRect().height() -
1.5 * self.digitalBaro.document().size().height())
self.digitalBaro.setTransform(txm, False)
view = QGraphicsView(scene)
view.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
view.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
layout = QVBoxLayout()
layout.addWidget(view)
self.setLayout(layout)
self.setBarometer(1000)
def setBarometer(self, hbar):
deg = ((hbar - 950) * 3 + 210) % 360
self.needle.setRotation(deg)
self.digitalBaro.setPlainText('{:.1f}'.format(hbar))
self.digitalBaro.adjustSize()
self.digitalBaro.setX(0 - self.digitalBaro.textWidth() / 2)
def updateAirPressure(self, sourceUAS, timestamp, absPressure,
diffPressure, temperature):
unused(sourceUAS, timestamp, diffPressure, temperature)
self.setBarometer(absPressure)
def setActiveUAS(self, uas):
uas.updateAirPressureSignal.connect(self.updateAirPressure)
self.uas = uas
class ClassModel(QGraphicsItem):
def __init__(self, parent=None, graphicView=None, graphicScene=None):
super(ClassModel, self).__init__()
self.set_default_data()
self.className = QGraphicsTextItem(self)
self.functionsItem = FunctionsContainerModel(self)
self.className.setPlainText(self.defaultClassName)
self.setFlag(self.ItemIsMovable)
self.setFlag(self.ItemSendsGeometryChanges)
self.functionsItem.setPos(0, self.__get_title_height())
self.attributesItem = FunctionsContainerModel(self)
self.attributesItem.setPos(0, self.functionsItem.get_height())
def set_default_data(self):
self.maxWidth = 100
self.defaultClassNameHeight = 30
self.defaultClassName = "No name"
def set_functions_list(self, functionsList):
self.functionsItem.set_functions_list(functionsList, "*", "()")
self.update_positions()
def set_attributes_list(self, attributesList):
self.attributesItem.set_functions_list(attributesList)
self.update_positions()
def set_class_name(self, className):
self.className.setPlainText(className)
def _get_width(self):
self.__calc_max_width()
return self.maxWidth
def __get_title_height(self):
titleHeight = self.defaultClassNameHeight
if titleHeight == self.className.document().size().height():
titleHeight = self.className.document().size().height()
return titleHeight
def get_height(self):
summary = self.defaultClassNameHeight
summary += self.functionsItem.get_height()
summary += self.attributesItem.get_height()
return summary
def __calc_max_width(self):
if self.maxWidth < self.className.document().size().width():
self.maxWidth = self.className.document().size().width()
if hasattr(self, "functionsItem"):
if self.maxWidth < self.functionsItem.get_width():
self.maxWidth = self.functionsItem.get_width()
if hasattr(self, "attributesItem"):
if self.maxWidth < self.attributesItem.get_width():
self.maxWidth = self.attributesItem.get_width()
def set_bg_color(self, qColor):
self.backgroundColor = qColor
def set_method_list(self, itemList):
self.methodList = itemList
def update_positions(self):
self.functionsItem.setPos(0, self.__get_title_height())
self.attributesItem.setPos(
0, self.functionsItem.y() + self.functionsItem.get_height())
def paint(self, painter, option, widget):
gradient = QRadialGradient(-3, -3, 10)
if option.state & QStyle.State_Sunken:
gradient.setCenter(3, 3)
gradient.setFocalPoint(3, 3)
gradient.setColorAt(0, QColor(Qt.yellow).light(120))
else:
gradient.setColorAt(0, QColor(Qt.yellow).light(120))
painter.setBrush(gradient)
painter.setPen(QPen(Qt.black, 0))
painter.drawRoundedRect(self.boundingRect(), 3, 3)
def boundingRect(self):
return QRectF(0, 0, self._get_width(), self.get_height())
def add_edge(self, edge):
self.myEdge = edge
edge.adjust()
