def paintEvent(self, event):
QDialog.paintEvent(self, event)
if not self.line.isNull():
painter = QPainter(self)
pen = QPen(Qt.GlobalColor.red, 3)
painter.setPen(pen)
painter.drawLine(self.line)
def paintEvent(self, event):
qp = QPainter()
qp.begin(self)
qp.setBrush(FILLBRUSH)
qp.drawRect(self.rect())
# Show question
if self.parent().alex:
anheight = ANSWERHEIGHT * self.size().height()
qp.drawLine(
0,
(1 - ANSWERHEIGHT) * self.size().height(),
self.size().width(),
(1 - ANSWERHEIGHT) * self.size().height(),
)
def mouseMoveEvent(self, event):
if self.xCache == None:
self.xCache = event.position().x()
self.yCache = event.position().y()
else:
painter = QPainter(self.canvas)
pen = painter.pen()
pen.setWidth(self.strokeWidth)
pen.setColor(QColor(*self.color))
pen.setStyle(self.strokeStyle)
painter.setPen(pen)
painter.drawLine(self.xCache, self.yCache,
event.position().x(),
event.position().y())
painter.end()
self.setPixmap(self.canvas)
self.xCache = event.position().x()
self.yCache = event.position().y()
def draw_arrow_p(start: Tuple[int, int],
end: Tuple[int, int],
arrow_head1: Tuple[int, int],
arrow_head2: Tuple[int, int],
painter: QPainter,
filled_arrow_head: bool = False):
# painter.setPen(color)
painter.drawLine(*start, *end)
if not filled_arrow_head:
painter.drawLine(*end, *arrow_head1)
painter.drawLine(*end, *arrow_head2)
else:
# brush0 = painter.pen().brush()
# painter.setBrush(painter.pen().color())
path = QPainterPath()
path.moveTo(*end)
path.lineTo(*arrow_head1)
path.lineTo(*arrow_head2)
path.lineTo(*end)
painter.drawPath(path)