def scaledBoundingRect(self, sx, sy, scalePens):
if sx == 1. and sy == 1.:
return self.__boundingRect
transform = QTransform()
transform.scale(sx, sy)
if scalePens and self.__scalablePen:
rect = transform.mapRect(self.__boundingRect)
else:
rect = transform.mapRect(self.__pointRect)
l = abs(self.__pointRect.left()-self.__boundingRect.left())
r = abs(self.__pointRect.right()-self.__boundingRect.right())
t = abs(self.__pointRect.top()-self.__boundingRect.top())
b = abs(self.__pointRect.bottom()-self.__boundingRect.bottom())
rect.adjust(-l, -t, r, b)
return rect
def scaledBoundingRect(self, sx, sy, scalePens):
if sx == 1. and sy == 1.:
return self.__boundingRect
transform = QTransform()
transform.scale(sx, sy)
if scalePens and self.__scalablePen:
rect = transform.mapRect(self.__boundingRect)
else:
rect = transform.mapRect(self.__pointRect)
l = abs(self.__pointRect.left() - self.__boundingRect.left())
r = abs(self.__pointRect.right() - self.__boundingRect.right())
t = abs(self.__pointRect.top() - self.__boundingRect.top())
b = abs(self.__pointRect.bottom() - self.__boundingRect.bottom())
rect.adjust(-l, -t, r, b)
return rect
def scaledBoundingRect(self, sx, sy):
"""
Calculate the target rectangle for scaling the graphic
:param float sx: Horizontal scaling factor
:param float sy: Vertical scaling factor
:return: Scaled bounding rectangle
.. note::
In case of paths that are painted with a cosmetic pen
(see :py:meth:`QPen.isCosmetic()`) the target rectangle is
different to multiplying the bounding rectangle.
.. seealso::
:py:meth:`boundingRect()`, :py:meth:`controlPointRect()`
"""
if sx == 1. and sy == 1.:
return self.__data.boundingRect
transform = QTransform()
transform.scale(sx, sy)
rect = transform.mapRect(self.__data.pointRect)
for pathInfo in self.__data.pathInfos:
rect |= pathInfo.scaledBoundingRect(sx, sy,
not bool(self.__data.renderHints & self.RenderPensUnscaled))
return rect
def scaledBoundingRect(self, sx, sy):
"""
Calculate the target rectangle for scaling the graphic
:param float sx: Horizontal scaling factor
:param float sy: Vertical scaling factor
:return: Scaled bounding rectangle
.. note::
In case of paths that are painted with a cosmetic pen
(see :py:meth:`QPen.isCosmetic()`) the target rectangle is
different to multiplying the bounding rectangle.
.. seealso::
:py:meth:`boundingRect()`, :py:meth:`controlPointRect()`
"""
if sx == 1. and sy == 1.:
return self.__data.boundingRect
transform = QTransform()
transform.scale(sx, sy)
rect = transform.mapRect(self.__data.pointRect)
for pathInfo in self.__data.pathInfos:
rect |= pathInfo.scaledBoundingRect(
sx, sy,
not bool(self.__data.renderHints & self.RenderPensUnscaled))
return rect
def scaledBoundingRect(self, sx, sy):
if sx == 1. and sy == 1.:
return self.__data.boundingRect
transform = QTransform()
transform.scale(sx, sy)
rect = transform.mapRect(self.__data.pointRect)
for pathInfo in self.__data.pathInfos:
rect |= pathInfo.scaledBoundingRect(sx, sy,
not bool(self.__data.renderHints & self.RenderPensUnscaled))
return rect
def qwtDrawPixmapSymbols(painter, points, numPoints, symbol):
size = symbol.size()
if size.isEmpty():
size = symbol.pixmap().size()
transform = QTransform(painter.transform())
if transform.isScaling():
r = QRect(0, 0, size.width(), size.height())
size = transform.mapRect(r).size()
pm = QPixmap(symbol.pixmap())
if pm.size() != size:
pm = pm.scaled(size)
pinPoint = QPointF(.5*size.width(), .5*size.height())
if symbol.isPinPointEnabled():
pinPoint = symbol.pinPoint()
painter.resetTransform()
for pos in points:
pos = QPointF(transform.map(pos))-pinPoint
QwtPainter.drawPixmap(painter, QRect(pos.toPoint(), pm.size(), pm))
def qwtDrawPixmapSymbols(painter, points, numPoints, symbol):
size = symbol.size()
if size.isEmpty():
size = symbol.pixmap().size()
transform = QTransform(painter.transform())
if transform.isScaling():
r = QRect(0, 0, size.width(), size.height())
size = transform.mapRect(r).size()
pm = QPixmap(symbol.pixmap())
if pm.size() != size:
pm = pm.scaled(size)
pinPoint = QPointF(.5 * size.width(), .5 * size.height())
if symbol.isPinPointEnabled():
pinPoint = symbol.pinPoint()
painter.resetTransform()
for pos in points:
pos = QPointF(transform.map(pos)) - pinPoint
QwtPainter.drawPixmap(painter, QRect(pos.toPoint(), pm.size(), pm))
def boundingRect(self):
"""
Calculate the bounding rectangle for a symbol at position (0,0).
:return: Bounding rectangle
"""
rect = QRectF()
pinPointTranslation = False
if self.__data.style in (QwtSymbol.Ellipse, QwtSymbol.Rect,
QwtSymbol.Hexagon):
pw = 0.
if self.__data.pen.style() != Qt.NoPen:
pw = max([self.__data.pen.widthF(), 1.])
rect.setSize(self.__data.size+QSizeF(pw, pw))
rect.moveCenter(QPointF(0., 0.))
elif self.__data.style in (QwtSymbol.XCross, QwtSymbol.Diamond,
QwtSymbol.Triangle, QwtSymbol.UTriangle,
QwtSymbol.DTriangle, QwtSymbol.RTriangle,
QwtSymbol.LTriangle, QwtSymbol.Star1,
QwtSymbol.Star2):
pw = 0.
if self.__data.pen.style() != Qt.NoPen:
pw = max([self.__data.pen.widthF(), 1.])
rect.setSize(QSizeF(self.__data.size)+QSizeF(2*pw, 2*pw))
rect.moveCenter(QPointF(0., 0.))
elif self.__data.style == QwtSymbol.Path:
if self.__data.path.graphic.isNull():
self.__data.path.graphic = qwtPathGraphic(
self.__data.path.path, self.__data.pen, self.__data.brush)
rect = qwtScaleBoundingRect(self.__data.path.graphic,
self.__data.size)
pinPointTranslation = True
elif self.__data.style == QwtSymbol.Pixmap:
if self.__data.size.isEmpty():
rect.setSize(self.__data.pixmap.pixmap.size())
else:
rect.setSize(self.__data.size)
pinPointTranslation = True
elif self.__data.style == QwtSymbol.Graphic:
rect = qwtScaleBoundingRect(self.__data.graphic.graphic,
self.__data.size)
pinPointTranslation = True
elif self.__data.style == QwtSymbol.SvgDocument:
if self.__data.svg.renderer is not None:
rect = self.__data.svg.renderer.viewBoxF()
if self.__data.size.isValid() and not rect.isEmpty():
sz = QSizeF(rect.size())
sx = self.__data.size.width()/sz.width()
sy = self.__data.size.height()/sz.height()
transform = QTransform()
transform.scale(sx, sy)
rect = transform.mapRect(rect)
pinPointTranslation = True
else:
rect.setSize(self.__data.size)
rect.moveCenter(QPointF(0., 0.))
if pinPointTranslation:
pinPoint = QPointF(0., 0.)
if self.__data.isPinPointEnabled:
pinPoint = rect.center()-self.__data.pinPoint
rect.moveCenter(pinPoint)
r = QRect()
r.setLeft(np.floor(rect.left()))
r.setTop(np.floor(rect.top()))
r.setRight(np.floor(rect.right()))
r.setBottom(np.floor(rect.bottom()))
if self.__data.style != QwtSymbol.Pixmap:
r.adjust(-1, -1, 1, 1)
return r
def boundingRect(self):
"""
Calculate the bounding rectangle for a symbol at position (0,0).
:return: Bounding rectangle
"""
rect = QRectF()
pinPointTranslation = False
if self.__data.style in (QwtSymbol.Ellipse, QwtSymbol.Rect,
QwtSymbol.Hexagon):
pw = 0.
if self.__data.pen.style() != Qt.NoPen:
pw = max([self.__data.pen.widthF(), 1.])
rect.setSize(self.__data.size + QSizeF(pw, pw))
rect.moveCenter(QPointF(0., 0.))
elif self.__data.style in (QwtSymbol.XCross, QwtSymbol.Diamond,
QwtSymbol.Triangle, QwtSymbol.UTriangle,
QwtSymbol.DTriangle, QwtSymbol.RTriangle,
QwtSymbol.LTriangle, QwtSymbol.Star1,
QwtSymbol.Star2):
pw = 0.
if self.__data.pen.style() != Qt.NoPen:
pw = max([self.__data.pen.widthF(), 1.])
rect.setSize(QSizeF(self.__data.size) + QSizeF(2 * pw, 2 * pw))
rect.moveCenter(QPointF(0., 0.))
elif self.__data.style == QwtSymbol.Path:
if self.__data.path.graphic.isNull():
self.__data.path.graphic = qwtPathGraphic(
self.__data.path.path, self.__data.pen, self.__data.brush)
rect = qwtScaleBoundingRect(self.__data.path.graphic,
self.__data.size)
pinPointTranslation = True
elif self.__data.style == QwtSymbol.Pixmap:
if self.__data.size.isEmpty():
rect.setSize(self.__data.pixmap.pixmap.size())
else:
rect.setSize(self.__data.size)
pinPointTranslation = True
elif self.__data.style == QwtSymbol.Graphic:
rect = qwtScaleBoundingRect(self.__data.graphic.graphic,
self.__data.size)
pinPointTranslation = True
elif self.__data.style == QwtSymbol.SvgDocument:
if self.__data.svg.renderer is not None:
rect = self.__data.svg.renderer.viewBoxF()
if self.__data.size.isValid() and not rect.isEmpty():
sz = QSizeF(rect.size())
sx = self.__data.size.width() / sz.width()
sy = self.__data.size.height() / sz.height()
transform = QTransform()
transform.scale(sx, sy)
rect = transform.mapRect(rect)
pinPointTranslation = True
else:
rect.setSize(self.__data.size)
rect.moveCenter(QPointF(0., 0.))
if pinPointTranslation:
pinPoint = QPointF(0., 0.)
if self.__data.isPinPointEnabled:
pinPoint = rect.center() - self.__data.pinPoint
rect.moveCenter(pinPoint)
r = QRect()
r.setLeft(np.floor(rect.left()))
r.setTop(np.floor(rect.top()))
r.setRight(np.floor(rect.right()))
r.setBottom(np.floor(rect.bottom()))
if self.__data.style != QwtSymbol.Pixmap:
r.adjust(-1, -1, 1, 1)
return r
