def paintEvent(self, ev):
color = self.palette().color(QPalette.Highlight)
painter = QPainter(self)
# Filled rectangle.
painter.setClipRect(self.rect())
color.setAlpha(50)
painter.fillRect(self.rect().adjusted(2,2,-2,-2), color)
# Thin rectangle outside.
color.setAlpha(150)
painter.setPen(color)
painter.drawRect(self.rect().adjusted(0,0,-1,-1))
# Pseudo-handles at the corners and sides
color.setAlpha(100)
pen = QPen(color)
pen.setWidth(8)
painter.setPen(pen)
painter.setBackgroundMode(Qt.OpaqueMode)
# Clip at 4 corners
region = QRegion(QRect(0,0,20,20))
region += QRect(self.rect().width()-20, 0, 20, 20)
region += QRect(self.rect().width()-20, self.rect().height()-20, 20, 20)
region += QRect(0, self.rect().height()-20, 20, 20)
# Clip middles
region += QRect(0, self.rect().height()/2-10, self.rect().width(), 20)
region += QRect(self.rect().width()/2-10, 0, 20, self.rect().height())
# Draw thicker rectangles, clipped at corners and sides.
painter.setClipRegion(region)
painter.drawRect(self.rect())
def paintEvent(self, event):
super(SelectArea, self).paintEvent(event)
painter = QPainter(self)
drawRegion = QRegion(self.pixmap.rect())
drawRegion = drawRegion.subtract(QRegion(self.selected))
painter.setClipRegion(drawRegion)
painter.setBrush(QBrush(QColor(0, 0, 0, 120)))
painter.drawRect(self.pixmap.rect())
painter.setClipping(False)
if self.selected:
# направляющие линии
painter.setPen(QPen(QColor(255, 255, 255)))
painter.setBrush(QBrush(QColor(0, 0, 0, 0)))
vertical = self.selected.normalized()
vertical.setLeft(-1)
vertical.setRight(self.pixmap.rect().right() + 1)
horizontal = self.selected.normalized()
horizontal.setTop(-1)
horizontal.setBottom(self.pixmap.rect().bottom() + 1)
painter.drawRects(
vertical,
horizontal
)
# координаты начала
bound = self.pixmap.rect()
bound.setBottomRight(self.selected.topLeft() - QPoint(5, 5))
painter.drawText(
bound,
Qt.AlignBottom | Qt.AlignRight,
'(%d, %d)' % (self.selected.topLeft().x(), self.selected.topLeft().y())
)
# ширина/высота
bound = self.pixmap.rect()
bound.setTopLeft(self.selected.bottomRight() + QPoint(5, 5))
painter.drawText(
bound,
Qt.AlignTop | Qt.AlignLeft,
'(%d, %d)' % (self.selected.width(), self.selected.height())
)
def paintEvent(self, ev):
color = self.palette().color(QPalette.Highlight)
painter = QPainter(self)
# Filled rectangle.
painter.setClipRect(self.rect())
color.setAlpha(50)
painter.fillRect(self.rect().adjusted(2, 2, -2, -2), color)
# Thin rectangle outside.
color.setAlpha(150)
painter.setPen(color)
painter.drawRect(self.rect().adjusted(0, 0, -1, -1))
# Pseudo-handles at the corners and sides
color.setAlpha(100)
pen = QPen(color)
pen.setWidth(8)
painter.setPen(pen)
painter.setBackgroundMode(Qt.OpaqueMode)
# Clip at 4 corners
region = QRegion(QRect(0, 0, 20, 20))
region += QRect(self.rect().width() - 20, 0, 20, 20)
region += QRect(self.rect().width() - 20,
self.rect().height() - 20, 20, 20)
region += QRect(0, self.rect().height() - 20, 20, 20)
# Clip middles
region += QRect(0,
self.rect().height() / 2 - 10,
self.rect().width(), 20)
region += QRect(self.rect().width() / 2 - 10, 0, 20,
self.rect().height())
# Draw thicker rectangles, clipped at corners and sides.
painter.setClipRegion(region)
painter.drawRect(self.rect())
