def draw(self, painter, rect):
if self.__data.paintAttributes & self.PaintBackground:
if self.__data.borderPen != Qt.NoPen or\
self.__data.backgroundBrush != Qt.NoBrush:
painter.save()
painter.setPen(self.__data.borderPen)
painter.setBrush(self.__data.backgroundBrush)
if self.__data.borderRadius == 0:
QwtPainter.drawRect(painter, rect)
else:
painter.setRenderHint(QPainter.Antialiasing, True)
painter.drawRoundedRect(rect, self.__data.borderRadius,
self.__data.borderRadius)
painter.restore()
painter.save()
if self.__data.paintAttributes & self.PaintUsingTextFont:
painter.setFont(self.__data.font)
if self.__data.paintAttributes & self.PaintUsingTextColor:
if self.__data.color.isValid():
painter.setPen(self.__data.color)
expandedRect = rect
if self.__data.layoutAttributes & self.MinimumLayout:
font = QFont(painter.font(), self.desktopwidget)
(left, right, top,
bottom) = self.__data.textEngine.textMargins(font)
expandedRect.setTop(rect.top() - top)
expandedRect.setBottom(rect.bottom() + bottom)
expandedRect.setLeft(rect.left() - left)
expandedRect.setRight(rect.right() + right)
self.__data.textEngine.draw(painter, expandedRect,
self.__data.renderFlags, self.__data.text)
painter.restore()
def qwtDrawRectSymbols(painter, points, numPoints, symbol):
size = symbol.size()
pen = QPen(symbol.pen())
pen.setJoinStyle(Qt.MiterJoin)
painter.setPen(pen)
painter.setBrush(symbol.brush())
painter.setRenderHint(QPainter.Antialiasing, False)
if QwtPainter.roundingAlignment(painter):
sw = size.width()
sh = size.height()
sw2 = size.width()//2
sh2 = size.height()//2
for pos in points:
x = round(pos.x())
y = round(pos.y())
r = QRectF(x-sw2, y-sh2, sw, sh)
QwtPainter.drawRect(painter, r)
else:
sw = size.width()
sh = size.height()
sw2 = .5*size.width()
sh2 = .5*size.height()
for pos in points:
x = pos.x()
y = pos.y()
r = QRectF(x-sw2, y-sh2, sw, sh)
QwtPainter.drawRect(painter, r)
def qwtDrawRectSymbols(painter, points, numPoints, symbol):
size = symbol.size()
pen = QPen(symbol.pen())
pen.setJoinStyle(Qt.MiterJoin)
painter.setPen(pen)
painter.setBrush(symbol.brush())
painter.setRenderHint(QPainter.Antialiasing, False)
if QwtPainter.roundingAlignment(painter):
sw = size.width()
sh = size.height()
sw2 = size.width() // 2
sh2 = size.height() // 2
for pos in points:
x = round(pos.x())
y = round(pos.y())
r = QRectF(x - sw2, y - sh2, sw, sh)
QwtPainter.drawRect(painter, r)
else:
sw = size.width()
sh = size.height()
sw2 = .5 * size.width()
sh2 = .5 * size.height()
for pos in points:
x = pos.x()
y = pos.y()
r = QRectF(x - sw2, y - sh2, sw, sh)
QwtPainter.drawRect(painter, r)
def draw(self, painter, rect):
if self.__data.paintAttributes & self.PaintBackground:
if self.__data.borderPen != Qt.NoPen or\
self.__data.backgroundBrush != Qt.NoBrush:
painter.save()
painter.setPen(self.__data.borderPen)
painter.setBrush(self.__data.backgroundBrush)
if self.__data.borderRadius == 0:
QwtPainter.drawRect(painter, rect)
else:
painter.setRenderHint(QPainter.Antialiasing, True)
painter.drawRoundedRect(rect, self.__data.borderRadius,
self.__data.borderRadius)
painter.restore()
painter.save()
if self.__data.paintAttributes & self.PaintUsingTextFont:
painter.setFont(self.__data.font)
if self.__data.paintAttributes & self.PaintUsingTextColor:
if self.__data.color.isValid():
painter.setPen(self.__data.color)
expandedRect = rect
if self.__data.layoutAttributes & self.MinimumLayout:
font = QFont(painter.font(), self.desktopwidget)
(left, right, top, bottom
) = self.__data.textEngine.textMargins(font)
expandedRect.setTop(rect.top()-top)
expandedRect.setBottom(rect.bottom()+bottom)
expandedRect.setLeft(rect.left()-left)
expandedRect.setRight(rect.right()+right)
self.__data.textEngine.draw(painter, expandedRect,
self.__data.renderFlags, self.__data.text)
painter.restore()
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 renderCanvas(self, plot, painter, canvasRect, maps):
canvas = plot.canvas()
r = canvasRect.adjusted(0., 0., -1., 1.)
if self.__data.layoutFlags & self.FrameWithScales:
painter.save()
r.adjust(-1., -1., 1., 1.)
painter.setPen(QPen(Qt.black))
if not (self.__data.discardFlags & self.DiscardCanvasBackground):
bgBrush = canvas.palette().brush(plot.backgroundRole())
painter.setBrush(bgBrush)
QwtPainter.drawRect(painter, r)
painter.restore()
painter.save()
painter.setClipRect(canvasRect)
plot.drawItems(painter, canvasRect, maps)
painter.restore()
elif canvas.testAttribute(Qt.WA_StyledBackground):
clipPath = QPainterPath()
painter.save()
if not self.__data.discardFlags & self.DiscardCanvasBackground:
QwtPainter.drawBackground(painter, r, canvas)
clipPath = qwtCanvasClip(canvas, canvasRect)
painter.restore()
painter.save()
if clipPath.isEmpty():
painter.setClipRect(canvasRect)
else:
painter.setClipPath(clipPath)
plot.drawItems(painter, canvasRect, maps)
painter.restore()
else:
clipPath = QPainterPath()
frameWidth = 0
if not self.__data.discardFlags & self.DiscardCanvasFrame:
frameWidth = canvas.frameWidth()
clipPath = qwtCanvasClip(canvas, canvasRect)
innerRect = canvasRect.adjusted(frameWidth, frameWidth,
-frameWidth, -frameWidth)
painter.save()
if clipPath.isEmpty():
painter.setClipRect(innerRect)
else:
painter.setClipPath(clipPath)
if not self.__data.discardFlags & self.DiscardCanvasBackground:
QwtPainter.drawBackground(painter, innerRect, canvas)
plot.drawItems(painter, innerRect, maps)
painter.restore()
if frameWidth > 0:
painter.save()
frameStyle = canvas.frameShadow() | canvas.frameShape()
frameWidth = canvas.frameWidth()
borderRadius = canvas.borderRadius()
if borderRadius > 0.:
QwtPainter.drawRoundedFrame(painter, canvasRect, r, r,
canvas.palette(), frameWidth,
frameStyle)
else:
midLineWidth = canvas.midLineWidth()
QwtPainter.drawFrame(painter, canvasRect, canvas.palette(),
canvas.foregroundRole(), frameWidth,
midLineWidth, frameStyle)
painter.restore()
def renderCanvas(self, plot, painter, canvasRect, maps):
"""
Render the canvas into a given rectangle.
:param qwt.plot.QwtPlot plot: Plot widget
:param QPainter painter: Painter
:param qwt.scale_map.QwtScaleMap maps: mapping between plot and paint device coordinates
:param QRectF rect: Bounding rectangle
"""
canvas = plot.canvas()
r = canvasRect.adjusted(0., 0., -1., 1.)
if self.__data.layoutFlags & self.FrameWithScales:
painter.save()
r.adjust(-1., -1., 1., 1.)
painter.setPen(QPen(Qt.black))
if not (self.__data.discardFlags & self.DiscardCanvasBackground):
bgBrush = canvas.palette().brush(plot.backgroundRole())
painter.setBrush(bgBrush)
QwtPainter.drawRect(painter, r)
painter.restore()
painter.save()
painter.setClipRect(canvasRect)
plot.drawItems(painter, canvasRect, maps)
painter.restore()
elif canvas.testAttribute(Qt.WA_StyledBackground):
clipPath = QPainterPath()
painter.save()
if not self.__data.discardFlags & self.DiscardCanvasBackground:
QwtPainter.drawBackground(painter, r, canvas)
clipPath = qwtCanvasClip(canvas, canvasRect)
painter.restore()
painter.save()
if clipPath.isEmpty():
painter.setClipRect(canvasRect)
else:
painter.setClipPath(clipPath)
plot.drawItems(painter, canvasRect, maps)
painter.restore()
else:
clipPath = QPainterPath()
frameWidth = 0
if not self.__data.discardFlags & self.DiscardCanvasFrame:
frameWidth = canvas.frameWidth()
clipPath = qwtCanvasClip(canvas, canvasRect)
innerRect = canvasRect.adjusted(frameWidth, frameWidth,
-frameWidth, -frameWidth)
painter.save()
if clipPath.isEmpty():
painter.setClipRect(innerRect)
else:
painter.setClipPath(clipPath)
if not self.__data.discardFlags & self.DiscardCanvasBackground:
QwtPainter.drawBackground(painter, innerRect, canvas)
plot.drawItems(painter, innerRect, maps)
painter.restore()
if frameWidth > 0:
painter.save()
frameStyle = canvas.frameShadow() | canvas.frameShape()
frameWidth = canvas.frameWidth()
borderRadius = canvas.borderRadius()
if borderRadius > 0.:
QwtPainter.drawRoundedFrame(painter, canvasRect, r, r,
canvas.palette(), frameWidth,
frameStyle)
else:
midLineWidth = canvas.midLineWidth()
QwtPainter.drawFrame(painter, canvasRect, canvas.palette(),
canvas.foregroundRole(), frameWidth,
midLineWidth, frameStyle)
painter.restore()
def renderCanvas(self, plot, painter, canvasRect, maps):
canvas = plot.canvas()
r = canvasRect.adjusted(0., 0., -1., 1.)
if self.__data.layoutFlags & self.FrameWithScales:
painter.save()
r.adjust(-1., -1., 1., 1.)
painter.setPen(QPen(Qt.black))
if not (self.__data.discardFlags & self.DiscardCanvasBackground):
bgBrush = canvas.palette().brush(plot.backgroundRole())
painter.setBrush(bgBrush)
QwtPainter.drawRect(painter, r)
painter.restore()
painter.save()
painter.setClipRect(canvasRect)
plot.drawItems(painter, canvasRect, maps)
painter.restore()
elif canvas.testAttribute(Qt.WA_StyledBackground):
clipPath = QPainterPath()
painter.save()
if not self.__data.discardFlags & self.DiscardCanvasBackground:
QwtPainter.drawBackground(painter, r, canvas)
clipPath = qwtCanvasClip(canvas, canvasRect)
painter.restore()
painter.save()
if clipPath.isEmpty():
painter.setClipRect(canvasRect)
else:
painter.setClipPath(clipPath)
plot.drawItems(painter, canvasRect, maps)
painter.restore()
else:
clipPath = QPainterPath()
frameWidth = 0
if not self.__data.discardFlags & self.DiscardCanvasFrame:
frameWidth = canvas.frameWidth()
clipPath = qwtCanvasClip(canvas, canvasRect)
innerRect = canvasRect.adjusted(frameWidth, frameWidth,
-frameWidth, -frameWidth)
painter.save()
if clipPath.isEmpty():
painter.setClipRect(innerRect)
else:
painter.setClipPath(clipPath)
if not self.__data.discardFlags & self.DiscardCanvasBackground:
QwtPainter.drawBackground(painter, innerRect, canvas)
plot.drawItems(painter, innerRect, maps)
painter.restore()
if frameWidth > 0:
painter.save()
frameStyle = canvas.frameShadow() | canvas.frameShape()
frameWidth = canvas.frameWidth()
borderRadius = canvas.borderRadius()
if borderRadius > 0.:
QwtPainter.drawRoundedFrame(painter, canvasRect, r, r,
canvas.palette(), frameWidth,
frameStyle)
else:
midLineWidth = canvas.midLineWidth()
QwtPainter.drawFrame(painter, canvasRect, canvas.palette(),
canvas.foregroundRole(), frameWidth,
midLineWidth, frameStyle)
painter.restore()
def renderCanvas(self, plot, painter, canvasRect, maps):
"""
Render the canvas into a given rectangle.
:param qwt.plot.QwtPlot plot: Plot widget
:param QPainter painter: Painter
:param qwt.scale_map.QwtScaleMap maps: mapping between plot and paint device coordinates
:param QRectF rect: Bounding rectangle
"""
canvas = plot.canvas()
r = canvasRect.adjusted(0.0, 0.0, -1.0, 1.0)
if self.__data.layoutFlags & self.FrameWithScales:
painter.save()
r.adjust(-1.0, -1.0, 1.0, 1.0)
painter.setPen(QPen(Qt.black))
if not (self.__data.discardFlags & self.DiscardCanvasBackground):
bgBrush = canvas.palette().brush(plot.backgroundRole())
painter.setBrush(bgBrush)
QwtPainter.drawRect(painter, r)
painter.restore()
painter.save()
painter.setClipRect(canvasRect)
plot.drawItems(painter, canvasRect, maps)
painter.restore()
elif canvas.testAttribute(Qt.WA_StyledBackground):
clipPath = QPainterPath()
painter.save()
if not self.__data.discardFlags & self.DiscardCanvasBackground:
QwtPainter.drawBackground(painter, r, canvas)
clipPath = qwtCanvasClip(canvas, canvasRect)
painter.restore()
painter.save()
if clipPath.isEmpty():
painter.setClipRect(canvasRect)
else:
painter.setClipPath(clipPath)
plot.drawItems(painter, canvasRect, maps)
painter.restore()
else:
clipPath = QPainterPath()
frameWidth = 0
if not self.__data.discardFlags & self.DiscardCanvasFrame:
frameWidth = canvas.frameWidth()
clipPath = qwtCanvasClip(canvas, canvasRect)
innerRect = canvasRect.adjusted(frameWidth, frameWidth, -frameWidth, -frameWidth)
painter.save()
if clipPath.isEmpty():
painter.setClipRect(innerRect)
else:
painter.setClipPath(clipPath)
if not self.__data.discardFlags & self.DiscardCanvasBackground:
QwtPainter.drawBackground(painter, innerRect, canvas)
plot.drawItems(painter, innerRect, maps)
painter.restore()
if frameWidth > 0:
painter.save()
frameStyle = canvas.frameShadow() | canvas.frameShape()
frameWidth = canvas.frameWidth()
borderRadius = canvas.borderRadius()
if borderRadius > 0.0:
QwtPainter.drawRoundedFrame(painter, canvasRect, r, r, canvas.palette(), frameWidth, frameStyle)
else:
midLineWidth = canvas.midLineWidth()
QwtPainter.drawFrame(
painter,
canvasRect,
canvas.palette(),
canvas.foregroundRole(),
frameWidth,
midLineWidth,
frameStyle,
)
painter.restore()
