def qwtBoundingRectT(series, from_, to):
boundingRect = QRectF(1.0, 1.0, -2.0, -2.0)
if from_ < 0:
from_ = 0
if to < 0:
to = series.size() - 1
if to < from_:
return boundingRect
first_stage = True
for i in range(from_, to + 1):
rect = qwtBoundingRect(series.sample(i))
if rect.width() >= 0. and rect.height() >= 0.:
if first_stage:
boundingRect = rect
first_stage = False
continue
else:
boundingRect.setLeft(min([boundingRect.left(), rect.left()]))
boundingRect.setRight(max([boundingRect.right(),
rect.right()]))
boundingRect.setTop(min([boundingRect.top(), rect.top()]))
boundingRect.setBottom(
max([boundingRect.bottom(),
rect.bottom()]))
return boundingRect
def drawColumn(self, painter, rect, sample):
if self.__data.symbol and\
self.__data.symbol.style() != QwtColumnSymbol.NoStyle:
self.__data.symbol.draw(painter, rect)
else:
r = QRectF(rect.toRect())
if QwtPainter.roundingAlignment(painter):
r.setLeft(round(r.left()))
r.setRight(round(r.right()))
r.setTop(round(r.top()))
r.setBottom(round(r.bottom()))
QwtPainter.drawRect(painter, r)
def boundingRect(self):
rect = QRectF(self.data().boundingRect())
if not rect.isValid():
return rect
if self.orientation() == Qt.Horizontal:
rect = QRectF(rect.y(), rect.x(), rect.height(), rect.width())
if rect.left() > self.__data.baseline:
rect.setLeft(self.__data.baseline)
elif rect.right() < self.__data.baseline:
rect.setRight(self.__data.baseline)
else:
if rect.bottom() < self.__data.baseline:
rect.setBottom(self.__data.baseline)
elif rect.top() > self.__data.baseline:
rect.setTop(self.__data.baseline)
return rect
def colorBarRect(self, rect):
"""
Calculate the the rectangle for the color bar
:param QRectF rect: Bounding rectangle for all components of the scale
:return: Rectangle for the color bar
"""
cr = QRectF(rect)
if self.__data.scaleDraw.orientation() == Qt.Horizontal:
cr.setLeft(cr.left() + self.__data.borderDist[0])
cr.setWidth(cr.width() - self.__data.borderDist[1] + 1)
else:
cr.setTop(cr.top() + self.__data.borderDist[0])
cr.setHeight(cr.height() - self.__data.borderDist[1] + 1)
sda = self.__data.scaleDraw.alignment()
if sda == QwtScaleDraw.LeftScale:
cr.setLeft(cr.right() - self.__data.margin -
self.__data.colorBar.width)
cr.setWidth(self.__data.colorBar.width)
elif sda == QwtScaleDraw.RightScale:
cr.setLeft(cr.left() + self.__data.margin)
cr.setWidth(self.__data.colorBar.width)
elif sda == QwtScaleDraw.BottomScale:
cr.setTop(cr.top() + self.__data.margin)
cr.setHeight(self.__data.colorBar.width)
elif sda == QwtScaleDraw.TopScale:
cr.setTop(cr.bottom() - self.__data.margin -
self.__data.colorBar.width)
cr.setHeight(self.__data.colorBar.width)
return cr
def colorBarRect(self, rect):
"""
Calculate the the rectangle for the color bar
:param QRectF rect: Bounding rectangle for all components of the scale
:return: Rectangle for the color bar
"""
cr = QRectF(rect)
if self.__data.scaleDraw.orientation() == Qt.Horizontal:
cr.setLeft(cr.left() + self.__data.borderDist[0])
cr.setWidth(cr.width() - self.__data.borderDist[1] + 1)
else:
cr.setTop(cr.top() + self.__data.borderDist[0])
cr.setHeight(cr.height() - self.__data.borderDist[1] + 1)
sda = self.__data.scaleDraw.alignment()
if sda == QwtScaleDraw.LeftScale:
cr.setLeft(cr.right()-self.__data.margin-self.__data.colorBar.width)
cr.setWidth(self.__data.colorBar.width)
elif sda == QwtScaleDraw.RightScale:
cr.setLeft(cr.left()+self.__data.margin)
cr.setWidth(self.__data.colorBar.width)
elif sda == QwtScaleDraw.BottomScale:
cr.setTop(cr.top()+self.__data.margin)
cr.setHeight(self.__data.colorBar.width)
elif sda == QwtScaleDraw.TopScale:
cr.setTop(cr.bottom()-self.__data.margin-self.__data.colorBar.width)
cr.setHeight(self.__data.colorBar.width)
return cr
def qwtBoundingRectT(series, from_, to):
boundingRect = QRectF(1.0, 1.0, -2.0, -2.0)
if from_ < 0:
from_ = 0
if to < 0:
to = series.size() - 1
if to < from_:
return boundingRect
first_stage = True
for i in range(from_, to + 1):
rect = qwtBoundingRect(series.sample(i))
if rect.width() >= 0.0 and rect.height() >= 0.0:
if first_stage:
boundingRect = rect
first_stage = False
continue
else:
boundingRect.setLeft(min([boundingRect.left(), rect.left()]))
boundingRect.setRight(max([boundingRect.right(), rect.right()]))
boundingRect.setTop(min([boundingRect.top(), rect.top()]))
boundingRect.setBottom(max([boundingRect.bottom(), rect.bottom()]))
return boundingRect
def drawLines(self, painter, xMap, yMap, from_, to):
doAlign = QwtPainter.roundingAlignment(painter)
painter.setPen(self.__data.pen)
painter.setBrush(self.__data.brush)
series = self.data()
for i in range(from_, to + 1):
sample = series.sample(i)
if not sample.interval.isNull():
rect = self.columnRect(sample, xMap, yMap)
r = QRectF(rect.toRect())
if doAlign:
r.setLeft(round(r.left()))
r.setRight(round(r.right()))
r.setTop(round(r.top()))
r.setBottom(round(r.bottom()))
if rect.direction == QwtColumnRect.LeftToRight:
QwtPainter.drawLine(painter, r.topRight(), r.bottomRight())
elif rect.direction == QwtColumnRect.RightToLeft:
QwtPainter.drawLine(painter, r.topLeft(), r.bottomLeft())
elif rect.direction == QwtColumnRect.TopToBottom:
QwtPainter.drawLine(painter, r.bottomRight(),
r.bottomLeft())
elif rect.direction == QwtColumnRect.BottomToTop:
QwtPainter.drawLine(painter, r.topRight(), r.topLeft())
def colorBarRect(self, rect):
cr = QRectF(rect)
if self.__data.scaleDraw.orientation() == Qt.Horizontal:
cr.setLeft(cr.left() + self.__data.borderDist[0])
cr.setWidth(cr.width() - self.__data.borderDist[1] + 1)
else:
cr.setTop(cr.top() + self.__data.borderDist[0])
cr.setHeight(cr.height() - self.__data.borderDist[1] + 1)
sda = self.__data.scaleDraw.alignment()
if sda == QwtScaleDraw.LeftScale:
cr.setLeft(cr.right()-self.__data.margin-self.__data.colorBar.width)
cr.setWidth(self.__data.colorBar.width)
elif sda == QwtScaleDraw.RightScale:
cr.setLeft(cr.left()+self.__data.margin)
cr.setWidth(self.__data.colorBar.width)
elif sda == QwtScaleDraw.BottomScale:
cr.setTop(cr.top()+self.__data.margin)
cr.setHeight(self.__data.colorBar.width)
elif sda == QwtScaleDraw.TopScale:
cr.setTop(cr.bottom()-self.__data.margin-self.__data.colorBar.width)
cr.setHeight(self.__data.colorBar.width)
return cr
def colorBarRect(self, rect):
cr = QRectF(rect)
if self.__data.scaleDraw.orientation() == Qt.Horizontal:
cr.setLeft(cr.left() + self.__data.borderDist[0])
cr.setWidth(cr.width() - self.__data.borderDist[1] + 1)
else:
cr.setTop(cr.top() + self.__data.borderDist[0])
cr.setHeight(cr.height() - self.__data.borderDist[1] + 1)
sda = self.__data.scaleDraw.alignment()
if sda == QwtScaleDraw.LeftScale:
cr.setLeft(cr.right() - self.__data.margin -
self.__data.colorBar.width)
cr.setWidth(self.__data.colorBar.width)
elif sda == QwtScaleDraw.RightScale:
cr.setLeft(cr.left() + self.__data.margin)
cr.setWidth(self.__data.colorBar.width)
elif sda == QwtScaleDraw.BottomScale:
cr.setTop(cr.top() + self.__data.margin)
cr.setHeight(self.__data.colorBar.width)
elif sda == QwtScaleDraw.TopScale:
cr.setTop(cr.bottom() - self.__data.margin -
self.__data.colorBar.width)
cr.setHeight(self.__data.colorBar.width)
return cr
def activate(self, plot, plotRect, options=0x00):
self.invalidate()
rect = QRectF(plotRect)
self.__data.layoutData.init(plot, rect)
if not (options & self.IgnoreLegend) and plot.legend() and\
not plot.legend().isEmpty():
self.__data.legendRect = self.layoutLegend(options, rect)
region = QRegion(rect.toRect())
rect = region.subtracted(QRegion(
self.__data.legendRect.toRect())).boundingRect()
if self.__data.legendPos == QwtPlot.LeftLegend:
rect.setLeft(rect.left() + self.__data.spacing)
elif self.__data.legendPos == QwtPlot.RightLegend:
rect.setRight(rect.right() - self.__data.spacing)
elif self.__data.legendPos == QwtPlot.TopLegend:
rect.setTop(rect.top() + self.__data.spacing)
elif self.__data.legendPos == QwtPlot.BottomLegend:
rect.setBottom(rect.bottom() - self.__data.spacing)
# +---+-----------+---+
# | Title |
# +---+-----------+---+
# | | Axis | |
# +---+-----------+---+
# | A | | A |
# | x | Canvas | x |
# | i | | i |
# | s | | s |
# +---+-----------+---+
# | | Axis | |
# +---+-----------+---+
# | Footer |
# +---+-----------+---+
dimTitle, dimFooter, dimAxes = self.expandLineBreaks(options, rect)
if dimTitle > 0:
self.__data.titleRect.setRect(rect.left(), rect.top(),
rect.width(), dimTitle)
rect.setTop(self.__data.titleRect.bottom() + self.__data.spacing)
if self.__data.layoutData.scale[QwtPlot.yLeft].isEnabled !=\
self.__data.layoutData.scale[QwtPlot.yRight].isEnabled:
self.__data.titleRect.setX(rect.left() +
dimAxes[QwtPlot.yLeft])
self.__data.titleRect.setWidth(rect.width()\
-dimAxes[QwtPlot.yLeft]-dimAxes[QwtPlot.yRight])
if dimFooter > 0:
self.__data.footerRect.setRect(rect.left(),
rect.bottom() - dimFooter,
rect.width(), dimFooter)
rect.setBottom(self.__data.footerRect.top() - self.__data.spacing)
if self.__data.layoutData.scale[QwtPlot.yLeft].isEnabled !=\
self.__data.layoutData.scale[QwtPlot.yRight].isEnabled:
self.__data.footerRect.setX(rect.left() +
dimAxes[QwtPlot.yLeft])
self.__data.footerRect.setWidth(rect.width()\
-dimAxes[QwtPlot.yLeft]-dimAxes[QwtPlot.yRight])
self.__data.canvasRect.setRect(
rect.x() + dimAxes[QwtPlot.yLeft],
rect.y() + dimAxes[QwtPlot.xTop],
rect.width() - dimAxes[QwtPlot.yRight] - dimAxes[QwtPlot.yLeft],
rect.height() - dimAxes[QwtPlot.xBottom] - dimAxes[QwtPlot.xTop])
for axis in range(QwtPlot.axisCnt):
if dimAxes[axis]:
dim = dimAxes[axis]
scaleRect = self.__data.scaleRect[axis]
scaleRect.setRect(*self.__data.canvasRect.getRect())
if axis == QwtPlot.yLeft:
scaleRect.setX(self.__data.canvasRect.left() - dim)
scaleRect.setWidth(dim)
elif axis == QwtPlot.yRight:
scaleRect.setX(self.__data.canvasRect.right())
scaleRect.setWidth(dim)
elif axis == QwtPlot.xBottom:
scaleRect.setY(self.__data.canvasRect.bottom())
scaleRect.setHeight(dim)
elif axis == QwtPlot.xTop:
scaleRect.setY(self.__data.canvasRect.top() - dim)
scaleRect.setHeight(dim)
scaleRect = scaleRect.normalized()
# +---+-----------+---+
# | <- Axis -> |
# +-^-+-----------+-^-+
# | | | | | |
# | | | |
# | A | | A |
# | x | Canvas | x |
# | i | | i |
# | s | | s |
# | | | |
# | | | | | |
# +-V-+-----------+-V-+
# | <- Axis -> |
# +---+-----------+---+
self.alignScales(options, self.__data.canvasRect,
self.__data.scaleRect)
if not self.__data.legendRect.isEmpty():
self.__data.legendRect = self.alignLegend(self.__data.canvasRect,
self.__data.legendRect)
def activate(self, plot, plotRect, options=0x00):
"""
Recalculate the geometry of all components.
:param qwt.plot.QwtPlot plot: Plot to be layout
:param QRectF plotRect: Rectangle where to place the components
:param options: Layout options
"""
self.invalidate()
rect = QRectF(plotRect)
self.__data.layoutData.init(plot, rect)
if not (options & self.IgnoreLegend) and plot.legend() and\
not plot.legend().isEmpty():
self.__data.legendRect = self.layoutLegend(options, rect)
region = QRegion(rect.toRect())
rect = region.subtracted(QRegion(self.__data.legendRect.toRect())
).boundingRect()
if self.__data.legendPos == QwtPlot.LeftLegend:
rect.setLeft(rect.left()+self.__data.spacing)
elif self.__data.legendPos == QwtPlot.RightLegend:
rect.setRight(rect.right()-self.__data.spacing)
elif self.__data.legendPos == QwtPlot.TopLegend:
rect.setTop(rect.top()+self.__data.spacing)
elif self.__data.legendPos == QwtPlot.BottomLegend:
rect.setBottom(rect.bottom()-self.__data.spacing)
# +---+-----------+---+
# | Title |
# +---+-----------+---+
# | | Axis | |
# +---+-----------+---+
# | A | | A |
# | x | Canvas | x |
# | i | | i |
# | s | | s |
# +---+-----------+---+
# | | Axis | |
# +---+-----------+---+
# | Footer |
# +---+-----------+---+
# title, footer and axes include text labels. The height of each
# label depends on its line breaks, that depend on the width
# for the label. A line break in a horizontal text will reduce
# the available width for vertical texts and vice versa.
# expandLineBreaks finds the height/width for title, footer and axes
# including all line breaks.
dimTitle, dimFooter, dimAxes = self.expandLineBreaks(options, rect)
if dimTitle > 0:
self.__data.titleRect.setRect(rect.left(), rect.top(),
rect.width(), dimTitle)
rect.setTop(self.__data.titleRect.bottom()+self.__data.spacing)
if self.__data.layoutData.scale[QwtPlot.yLeft].isEnabled !=\
self.__data.layoutData.scale[QwtPlot.yRight].isEnabled:
self.__data.titleRect.setX(rect.left()+dimAxes[QwtPlot.yLeft])
self.__data.titleRect.setWidth(rect.width()\
-dimAxes[QwtPlot.yLeft]-dimAxes[QwtPlot.yRight])
if dimFooter > 0:
self.__data.footerRect.setRect(rect.left(),
rect.bottom()-dimFooter, rect.width(), dimFooter)
rect.setBottom(self.__data.footerRect.top()-self.__data.spacing)
if self.__data.layoutData.scale[QwtPlot.yLeft].isEnabled !=\
self.__data.layoutData.scale[QwtPlot.yRight].isEnabled:
self.__data.footerRect.setX(rect.left()+dimAxes[QwtPlot.yLeft])
self.__data.footerRect.setWidth(rect.width()\
-dimAxes[QwtPlot.yLeft]-dimAxes[QwtPlot.yRight])
self.__data.canvasRect.setRect(
rect.x()+dimAxes[QwtPlot.yLeft],
rect.y()+dimAxes[QwtPlot.xTop],
rect.width()-dimAxes[QwtPlot.yRight]-dimAxes[QwtPlot.yLeft],
rect.height()-dimAxes[QwtPlot.xBottom]-dimAxes[QwtPlot.xTop])
for axis in QwtPlot.validAxes:
if dimAxes[axis]:
dim = dimAxes[axis]
scaleRect = self.__data.scaleRect[axis]
scaleRect.setRect(*self.__data.canvasRect.getRect())
if axis == QwtPlot.yLeft:
scaleRect.setX(self.__data.canvasRect.left()-dim)
scaleRect.setWidth(dim)
elif axis == QwtPlot.yRight:
scaleRect.setX(self.__data.canvasRect.right())
scaleRect.setWidth(dim)
elif axis == QwtPlot.xBottom:
scaleRect.setY(self.__data.canvasRect.bottom())
scaleRect.setHeight(dim)
elif axis == QwtPlot.xTop:
scaleRect.setY(self.__data.canvasRect.top()-dim)
scaleRect.setHeight(dim)
scaleRect = scaleRect.normalized()
# +---+-----------+---+
# | <- Axis -> |
# +-^-+-----------+-^-+
# | | | | | |
# | | | |
# | A | | A |
# | x | Canvas | x |
# | i | | i |
# | s | | s |
# | | | |
# | | | | | |
# +-V-+-----------+-V-+
# | <- Axis -> |
# +---+-----------+---+
# The ticks of the axes - not the labels above - should
# be aligned to the canvas. So we try to use the empty
# corners to extend the axes, so that the label texts
# left/right of the min/max ticks are moved into them.
self.alignScales(options, self.__data.canvasRect,
self.__data.scaleRect)
if not self.__data.legendRect.isEmpty():
self.__data.legendRect = self.alignLegend(self.__data.canvasRect,
self.__data.legendRect)
def activate(self, plot, plotRect, options=0x00):
self.invalidate()
rect = QRectF(plotRect)
self.__data.layoutData.init(plot, rect)
if not (options & self.IgnoreLegend) and plot.legend() and\
not plot.legend().isEmpty():
self.__data.legendRect = self.layoutLegend(options, rect)
region = QRegion(rect.toRect())
rect = region.subtracted(QRegion(self.__data.legendRect.toRect())
).boundingRect()
if self.__data.legendPos == QwtPlot.LeftLegend:
rect.setLeft(rect.left()+self.__data.spacing)
elif self.__data.legendPos == QwtPlot.RightLegend:
rect.setRight(rect.right()-self.__data.spacing)
elif self.__data.legendPos == QwtPlot.TopLegend:
rect.setTop(rect.top()+self.__data.spacing)
elif self.__data.legendPos == QwtPlot.BottomLegend:
rect.setBottom(rect.bottom()-self.__data.spacing)
# +---+-----------+---+
# | Title |
# +---+-----------+---+
# | | Axis | |
# +---+-----------+---+
# | A | | A |
# | x | Canvas | x |
# | i | | i |
# | s | | s |
# +---+-----------+---+
# | | Axis | |
# +---+-----------+---+
# | Footer |
# +---+-----------+---+
dimTitle, dimFooter, dimAxes = self.expandLineBreaks(options, rect)
if dimTitle > 0:
self.__data.titleRect.setRect(rect.left(), rect.top(),
rect.width(), dimTitle)
rect.setTop(self.__data.titleRect.bottom()+self.__data.spacing)
if self.__data.layoutData.scale[QwtPlot.yLeft].isEnabled !=\
self.__data.layoutData.scale[QwtPlot.yRight].isEnabled:
self.__data.titleRect.setX(rect.left()+dimAxes[QwtPlot.yLeft])
self.__data.titleRect.setWidth(rect.width()\
-dimAxes[QwtPlot.yLeft]-dimAxes[QwtPlot.yRight])
if dimFooter > 0:
self.__data.footerRect.setRect(rect.left(),
rect.bottom()-dimFooter, rect.width(), dimFooter)
rect.setBottom(self.__data.footerRect.top()-self.__data.spacing)
if self.__data.layoutData.scale[QwtPlot.yLeft].isEnabled !=\
self.__data.layoutData.scale[QwtPlot.yRight].isEnabled:
self.__data.footerRect.setX(rect.left()+dimAxes[QwtPlot.yLeft])
self.__data.footerRect.setWidth(rect.width()\
-dimAxes[QwtPlot.yLeft]-dimAxes[QwtPlot.yRight])
self.__data.canvasRect.setRect(
rect.x()+dimAxes[QwtPlot.yLeft],
rect.y()+dimAxes[QwtPlot.xTop],
rect.width()-dimAxes[QwtPlot.yRight]-dimAxes[QwtPlot.yLeft],
rect.height()-dimAxes[QwtPlot.xBottom]-dimAxes[QwtPlot.xTop])
for axis in range(QwtPlot.axisCnt):
if dimAxes[axis]:
dim = dimAxes[axis]
scaleRect = self.__data.scaleRect[axis]
scaleRect.setRect(*self.__data.canvasRect.getRect())
if axis == QwtPlot.yLeft:
scaleRect.setX(self.__data.canvasRect.left()-dim)
scaleRect.setWidth(dim)
elif axis == QwtPlot.yRight:
scaleRect.setX(self.__data.canvasRect.right())
scaleRect.setWidth(dim)
elif axis == QwtPlot.xBottom:
scaleRect.setY(self.__data.canvasRect.bottom())
scaleRect.setHeight(dim)
elif axis == QwtPlot.xTop:
scaleRect.setY(self.__data.canvasRect.top()-dim)
scaleRect.setHeight(dim)
scaleRect = scaleRect.normalized()
# +---+-----------+---+
# | <- Axis -> |
# +-^-+-----------+-^-+
# | | | | | |
# | | | |
# | A | | A |
# | x | Canvas | x |
# | i | | i |
# | s | | s |
# | | | |
# | | | | | |
# +-V-+-----------+-V-+
# | <- Axis -> |
# +---+-----------+---+
self.alignScales(options, self.__data.canvasRect,
self.__data.scaleRect)
if not self.__data.legendRect.isEmpty():
self.__data.legendRect = self.alignLegend(self.__data.canvasRect,
self.__data.legendRect)
