def _updatePixmapSize(self):
pixmap = self.pixmap()
if not pixmap.isNull() and self._size.isValid():
pixsize = QSizeF(self.pixmap().size())
pixsize.scale(self._size, Qt.KeepAspectRatio)
else:
pixsize = QSizeF()
self.pixmapWidget.setPixmapSize(pixsize)
def _updatePixmapSize(self):
pixmap = self.pixmap()
if not pixmap.isNull() and self._size.isValid():
pixsize = QSizeF(self.pixmap().size())
pixsize.scale(self._size, Qt.KeepAspectRatio)
else:
pixsize = QSizeF()
self.pixmapWidget.setPixmapSize(pixsize)
def paintEvent(self, event):
if self.__pixmap.isNull():
return
sourcerect = QRect(QPoint(0, 0), self.__pixmap.size())
pixsize = QSizeF(self.__pixmap.size())
rect = self.contentsRect()
pixsize.scale(QSizeF(rect.size()), Qt.KeepAspectRatio)
targetrect = QRectF(QPointF(0, 0), pixsize)
targetrect.moveCenter(QPointF(rect.center()))
painter = QPainter(self)
painter.setRenderHint(QPainter.SmoothPixmapTransform)
painter.drawPixmap(targetrect, self.__pixmap, QRectF(sourcerect))
painter.end()
def paint(self, painter, option, widget=0):
if self._pixmap.isNull():
return
rect = self.contentsRect()
pixsize = QSizeF(self._pixmap.size())
aspectmode = (Qt.KeepAspectRatio if self._keepAspect
else Qt.IgnoreAspectRatio)
pixsize.scale(rect.size(), aspectmode)
pixrect = QRectF(QPointF(0, 0), pixsize)
pixrect.moveCenter(rect.center())
painter.save()
painter.setPen(QPen(QColor(0, 0, 0, 50), 3))
painter.drawRoundedRect(pixrect, 2, 2)
painter.setRenderHint(QPainter.SmoothPixmapTransform)
source = QRectF(QPointF(0, 0), QSizeF(self._pixmap.size()))
painter.drawPixmap(pixrect, self._pixmap, source)
painter.restore()