def paint(self, painter: QPainter, option: QStyleOptionGraphicsItem, widget: Optional[QWidget] = ...):
painter.setPen(QPen(Qt.NoPen))
painter.setBrush(Qt.darkGray)
painter.drawEllipse(-7, -7, 20, 20)
gradient = QRadialGradient(self._m_centerPos.x(), self._m_centerPos.y(), 10)
if self.isSelected():
gradient.setCenter(3, 3)
gradient.setFocalPoint(3, 3)
gradient.setColorAt(1, QColor(Qt.yellow).lighter(120))
gradient.setColorAt(0, QColor(Qt.darkYellow).lighter(120))
else:
gradient.setColorAt(0, Qt.yellow)
gradient.setColorAt(1, Qt.darkYellow)
painter.setBrush(gradient)
painter.setPen(QPen(Qt.black, 0))
painter.drawEllipse(-10, -10, 20, 20)
def paintEvent(self, event):
p = QPainter()
p.begin(self)
self._normalMap.render(p, event.rect())
p.setPen(Qt.black)
# p.drawText(self.rect(), Qt.AlignBottom | Qt.TextWordWrap, "Map data CCBYSA 2009 OpenStreetMap.org contributors")
p.end()
if self.zoomed:
dim = min(self.width(), self.height())
magnifierSize = min(MAX_MAGNIFIER, dim * 2 / 3)
radius = magnifierSize / 2
ring = radius - 15
box = QSize(magnifierSize, magnifierSize)
# reupdate our mask
if self.maskPixmap.size() != box:
self.maskPixmap = QPixmap(box)
self.maskPixmap.fill(Qt.transparent)
g = QRadialGradient()
g.setCenter(radius, radius)
g.setFocalPoint(radius, radius)
g.setRadius(radius)
g.setColorAt(1.0, QColor(255, 255, 255, 0))
g.setColorAt(0.5, QColor(128, 128, 128, 255))
mask = QPainter(self.maskPixmap)
mask.setRenderHint(QPainter.Antialiasing)
mask.setCompositionMode(QPainter.CompositionMode_Source)
mask.setBrush(g)
mask.setPen(Qt.NoPen)
mask.drawRect(self.maskPixmap.rect())
mask.setBrush(QColor(Qt.transparent))
mask.drawEllipse(g.center(), ring, ring)
mask.end()
center = self.dragPos - QPoint(0, radius)
center += QPoint(0, radius / 2)
corner = center - QPoint(radius, radius)
xy = center * 2 - QPoint(radius, radius)
# only set the dimension to the magnified portion
if self.zoomPixmap.size() != box:
self.zoomPixmap = QPixmap(box)
self.zoomPixmap.fill(Qt.lightGray)
if True:
p = QPainter(self.zoomPixmap)
p.translate(-xy)
self._largeMap.render(p, QRect(xy, box))
p.end()
clipPath = QPainterPath()
clipPath.addEllipse(QPointF(center), ring, ring)
p = QPainter(self)
p.setRenderHint(QPainter.Antialiasing)
p.setClipPath(clipPath)
p.drawPixmap(corner, self.zoomPixmap)
p.setClipping(False)
p.drawPixmap(corner, self.maskPixmap)
p.setPen(Qt.gray)
p.drawPath(clipPath)
if self.invert:
p = QPainter(self)
p.setCompositionMode(QPainter.CompositionMode_Difference)
p.fillRect(event.rect(), Qt.white)
p.end()