mirror of
https://github.com/wassname/sloth.git
synced 2026-07-03 17:49:49 +08:00
Martin Baeuml
60 lines
2.1 KiB
Python
60 lines
2.1 KiB
Python
from items import ItemInserter, AnnotationGraphicsItem
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from PyQt4.QtGui import *
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from PyQt4.Qt import *
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class BodyBoundingboxItemInserter(ItemInserter):
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def __init__(self, scene, mode=None):
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ItemInserter.__init__(self, scene, mode)
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self.point_items_ = []
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self.points_ = []
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def mousePressEvent(self, event, index):
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pos = event.scenePos()
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self.points_.append((pos.x(), pos.y()))
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item = QGraphicsEllipseItem(pos.x()-2, pos.y()-2, 4, 4)
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item.setPen(Qt.red)
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self.point_items_.append(item)
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self.scene().addItem(item)
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event.accept()
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if self.complete(index):
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self.clear()
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def complete(self, index):
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if len(self.points_) == 4:
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ann = {'type': 'bodybbox',
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'x1': self.points_[0][0], 'y1': self.points_[0][1],
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'x2': self.points_[1][0], 'y2': self.points_[1][1],
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'x3': self.points_[2][0], 'y3': self.points_[2][1],
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'x4': self.points_[3][0], 'y4': self.points_[3][1]}
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index.model().addAnnotation(index, ann)
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return True
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return False
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def clear(self):
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for item in self.point_items_:
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self.scene().removeItem(item)
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self.point_items_ = []
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self.points_ = []
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class BodyBoundingboxItem(AnnotationGraphicsItem):
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def __init__(self, index, parent=None):
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AnnotationGraphicsItem.__init__(self, index, parent)
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self.data_ = self.index().data(DataRole).toPyObject()
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self.points_ = [(self.data_['x1'], self.data_['y1']),
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(self.data_['x2'], self.data_['y2']),
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(self.data_['x3'], self.data_['y3']),
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(self.data_['x4'], self.data_['y4'])]
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def boundingRect(self):
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return QRectF(QPointF(0, 0), QSizeF(20, 20))
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def paint(self, painter, option, widget = None):
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pen = self.pen()
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if self.isSelected():
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pen.setStyle(Qt.DashLine)
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painter.setPen(pen)
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painter.drawRect(self.boundingRect())
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