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Avoid to be deformed while resizing it

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tzutalin 2015-12-17 13:33:13 +08:00
parent 3b01871851
commit 4da87bd622
1 changed files with 16 additions and 1 deletions
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17
libs/canvas.py
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@ -288,7 +288,22 @@ class Canvas(QWidget):
point = shape[index]
if self.outOfPixmap(pos):
pos = self.intersectionPoint(point, pos)
shape.moveVertexBy(index, pos - point)
shiftPos = pos - point
shape.moveVertexBy(index, shiftPos)
lindex = (index + 1) % 4
rindex = (index + 3) % 4
lshift = None
rshift = None
if index % 2 == 0:
rshift = QPointF(shiftPos.x(), 0)
lshift = QPointF(0, shiftPos.y())
else:
lshift = QPointF(shiftPos.x(), 0)
rshift = QPointF(0, shiftPos.y())
shape.moveVertexBy(rindex, rshift)
shape.moveVertexBy(lindex, lshift)
def boundedMoveShape(self, shape, pos):
if self.outOfPixmap(pos):