def drawValue(self, p: QPainter, baseRect: QRectF, value: float, delta: float):
if value == self.m_min:
return
if self.m_barStyle == self.BarStyle.EXPAND:
p.setBrush(self.palette().highlight())
p.setPen(QPen(self.palette().shadow().color(), self.m_dataPenWidth))
radius = (baseRect.height() / 2) / delta
p.drawEllipse(baseRect.center(), radius, radius)
return
if self.m_barStyle == self.BarStyle.LINE:
p.setPen(QPen(self.palette().highlight().color(), self.m_dataPenWidth))
p.setBrush(Qt.NoBrush)
if value == self.m_max:
p.drawEllipse(baseRect.adjusted(self.m_outlinePenWidth / 2, self.m_outlinePenWidth / 2,
-self.m_outlinePenWidth / 2, -self.m_outlinePenWidth / 2))
else:
arcLength = 360 / delta
p.drawArc(baseRect.adjusted(self.m_outlinePenWidth / 2, self.m_outlinePenWidth / 2,
-self.m_outlinePenWidth / 2, -self.m_outlinePenWidth / 2),
int(self.m_nullPosition * 16),
int(-arcLength * 16))
return
dataPath = QPainterPath()
dataPath.setFillRule(Qt.WindingFill)
if value == self.m_max:
dataPath.addEllipse(baseRect)
else:
arcLength = 360 / delta
dataPath.moveTo(baseRect.center())
dataPath.arcTo(baseRect, self.m_nullPosition, -arcLength)
dataPath.lineTo(baseRect.center())
p.setBrush(self.palette().highlight())
p.setPen(QPen(self.palette().shadow().color(), self.m_dataPenWidth))
p.drawPath(dataPath)
def drawPath(self, path):
rect = QRectF(QPointF(0.0, 0.0), self.__size)
if path.controlPointRect().contains(rect.center()):
self.setCornerRects(path)
self.alignCornerRects(rect)
self.background.path = path
self.background.brush = self.__brush
self.background.origin = self.__origin
else:
self.border.pathlist += [path]
def qwtDrawStar1Symbols(painter, points, numPoints, symbol):
size = symbol.size()
painter.setPen(symbol.pen())
sqrt1_2 = np.sqrt(0.5)
r = QRectF(0, 0, size.width(), size.height())
for pos in points:
r.moveCenter(pos.toPoint())
c = QPointF(r.center())
d1 = r.width() / 2.0 * (1.0 - sqrt1_2)
painter.drawLine(r.left() + d1, r.top() + d1, r.right() - d1, r.bottom() - d1)
painter.drawLine(r.left() + d1, r.bottom() - d1, r.right() - d1, r.top() + d1)
painter.drawLine(c.x(), r.top(), c.x(), r.bottom())
painter.drawLine(r.left(), c.y(), r.right(), c.y())
def qwtDrawSvgSymbols(painter, points, numPoints, renderer, symbol):
if renderer is None or not renderer.isValid():
return
viewBox = QRectF(renderer.viewBoxF())
if viewBox.isEmpty():
return
sz = QSizeF(symbol.size())
if not sz.isValid():
sz = viewBox.size()
sx = sz.width() / viewBox.width()
sy = sz.height() / viewBox.height()
pinPoint = QPointF(viewBox.center())
if symbol.isPinPointEnabled():
pinPoint = symbol.pinPoint()
dx = sx * (pinPoint.x() - viewBox.left())
dy = sy * (pinPoint.y() - viewBox.top())
for pos in points:
x = pos.x() - dx
y = pos.y() - dy
renderer.render(painter, QRectF(x, y, sz.width(), sz.height()))
def qwtDrawGraphicSymbols(painter, points, numPoint, graphic, symbol):
pointRect = QRectF(graphic.controlPointRect())
if pointRect.isEmpty():
return
sx = 1.0
sy = 1.0
sz = symbol.size()
if sz.isValid():
sx = sz.width() / pointRect.width()
sy = sz.height() / pointRect.height()
pinPoint = QPointF(pointRect.center())
if symbol.isPinPointEnabled():
pinPoint = symbol.pinPoint()
transform = QTransform(painter.transform())
for pos in points:
tr = QTransform(transform)
tr.translate(pos.x(), pos.y())
tr.scale(sx, sy)
tr.translate(-pinPoint.x(), -pinPoint.y())
painter.setTransform(tr)
graphic.render(painter)
painter.setTransform(transform)
def create_high_dpi_drop_indicator_pixmap(
self, size: QSizeF, area: DockWidgetArea,
mode: OverlayMode) -> QPixmap:
'''
Create high dpi drop indicator pixmap
Parameters
----------
size : QSizeF
area : DockWidgetArea
mode : OverlayMode
Returns
-------
value : QPixmap
'''
border_color = self.icon_color(IconColor.frame_color)
background_color = self.icon_color(IconColor.window_background_color)
window = self.public.window()
# QT version compatibility (TODO necessary for qtpy?)
device_pixel_ratio = (window.devicePixelRatioF()
if hasattr(window, 'devicePixelRatioF')
else window.devicePixelRatio())
pixmap_size = QSizeF(size * device_pixel_ratio)
pm = QPixmap(pixmap_size.toSize())
pm.fill(QColor(0, 0, 0, 0))
p = QPainter(pm)
pen = p.pen()
shadow_rect = QRectF(pm.rect())
base_rect = QRectF()
base_rect.setSize(shadow_rect.size() * 0.7)
base_rect.moveCenter(shadow_rect.center())
# Fill
shadow_color = self.icon_color(IconColor.shadow_color)
if shadow_color.alpha() == 255:
shadow_color.setAlpha(64)
p.fillRect(shadow_rect, shadow_color)
# Drop area rect.
p.save()
area_rect = QRectF()
area_line = QLineF()
non_area_rect = QRectF()
if area == DockWidgetArea.top:
area_rect = QRectF(base_rect.x(), base_rect.y(), base_rect.width(),
base_rect.height()*.5)
non_area_rect = QRectF(base_rect.x(), shadow_rect.height()*.5,
base_rect.width(), base_rect.height()*.5)
area_line = QLineF(area_rect.bottomLeft(), area_rect.bottomRight())
elif area == DockWidgetArea.right:
area_rect = QRectF(shadow_rect.width()*.5, base_rect.y(),
base_rect.width()*.5, base_rect.height())
non_area_rect = QRectF(base_rect.x(), base_rect.y(),
base_rect.width()*.5, base_rect.height())
area_line = QLineF(area_rect.topLeft(), area_rect.bottomLeft())
elif area == DockWidgetArea.bottom:
area_rect = QRectF(base_rect.x(), shadow_rect.height()*.5,
base_rect.width(), base_rect.height()*.5)
non_area_rect = QRectF(base_rect.x(), base_rect.y(),
base_rect.width(), base_rect.height()*.5)
area_line = QLineF(area_rect.topLeft(), area_rect.topRight())
elif area == DockWidgetArea.left:
area_rect = QRectF(base_rect.x(), base_rect.y(),
base_rect.width()*.5, base_rect.height())
non_area_rect = QRectF(shadow_rect.width()*.5, base_rect.y(),
base_rect.width()*.5, base_rect.height())
area_line = QLineF(area_rect.topRight(), area_rect.bottomRight())
baseSize = base_rect.size()
if (OverlayMode.container == mode
and area != DockWidgetArea.center):
base_rect = area_rect
p.fillRect(base_rect, background_color)
if area_rect.isValid():
pen = p.pen()
pen.setColor(border_color)
Color = self.icon_color(IconColor.overlay_color)
if Color.alpha() == 255:
Color.setAlpha(64)
p.setBrush(Color)
p.setPen(Qt.NoPen)
p.drawRect(area_rect)
pen = p.pen()
pen.setWidth(1)
pen.setColor(border_color)
pen.setStyle(Qt.DashLine)
p.setPen(pen)
p.drawLine(area_line)
p.restore()
p.save()
# Draw outer border
pen = p.pen()
pen.setColor(border_color)
pen.setWidth(1)
p.setBrush(Qt.NoBrush)
p.setPen(pen)
p.drawRect(base_rect)
# draw window title bar
p.setBrush(border_color)
frame_rect = QRectF(base_rect.topLeft(),
QSizeF(base_rect.width(), baseSize.height()/10))
p.drawRect(frame_rect)
p.restore()
# Draw arrow for outer container drop indicators
if (OverlayMode.container == mode and
area != DockWidgetArea.center):
arrow_rect = QRectF()
arrow_rect.setSize(baseSize)
arrow_rect.setWidth(arrow_rect.width()/4.6)
arrow_rect.setHeight(arrow_rect.height()/2)
arrow_rect.moveCenter(QPointF(0, 0))
arrow = QPolygonF()
arrow.append(arrow_rect.topLeft())
arrow.append(QPointF(arrow_rect.right(), arrow_rect.center().y()))
arrow.append(arrow_rect.bottomLeft())
p.setPen(Qt.NoPen)
p.setBrush(self.icon_color(IconColor.arrow_color))
p.setRenderHint(QPainter.Antialiasing, True)
p.translate(non_area_rect.center().x(), non_area_rect.center().y())
if area == DockWidgetArea.top:
p.rotate(-90)
elif area == DockWidgetArea.right:
...
elif area == DockWidgetArea.bottom:
p.rotate(90)
elif area == DockWidgetArea.left:
p.rotate(180)
p.drawPolygon(arrow)
pm.setDevicePixelRatio(device_pixel_ratio)
return 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 = 0.0
if self.__data.pen.style() != Qt.NoPen:
pw = max([self.__data.pen.widthF(), 1.0])
rect.setSize(self.__data.size + QSizeF(pw, pw))
rect.moveCenter(QPointF(0.0, 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 = 0.0
if self.__data.pen.style() != Qt.NoPen:
pw = max([self.__data.pen.widthF(), 1.0])
rect.setSize(QSizeF(self.__data.size) + QSizeF(2 * pw, 2 * pw))
rect.moveCenter(QPointF(0.0, 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, 0.0))
if pinPointTranslation:
pinPoint = QPointF(0.0, 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 render(self, *args):
"""
.. py:method:: render(painter)
Replay all recorded painter commands
:param QPainter painter: Qt painter
.. py:method:: render(painter, size, aspectRatioMode)
Replay all recorded painter commands
The graphic is scaled to fit into the rectangle
of the given size starting at ( 0, 0 ).
:param QPainter painter: Qt painter
:param QSizeF size: Size for the scaled graphic
:param Qt.AspectRatioMode aspectRatioMode: Mode how to scale
.. py:method:: render(painter, rect, aspectRatioMode)
Replay all recorded painter commands
The graphic is scaled to fit into the given rectangle
:param QPainter painter: Qt painter
:param QRectF rect: Rectangle for the scaled graphic
:param Qt.AspectRatioMode aspectRatioMode: Mode how to scale
.. py:method:: render(painter, pos, aspectRatioMode)
Replay all recorded painter commands
The graphic is scaled to the :py:meth:`defaultSize()` and aligned
to a position.
:param QPainter painter: Qt painter
:param QPointF pos: Reference point, where to render
:param Qt.AspectRatioMode aspectRatioMode: Mode how to scale
"""
if len(args) == 1:
(painter, ) = args
if self.isNull():
return
transform = painter.transform()
painter.save()
for command in self.__data.commands:
qwtExecCommand(
painter,
command,
self.__data.renderHints,
transform,
self.__data.initialTransform,
)
painter.restore()
elif len(args) in (2, 3) and isinstance(args[1], QSizeF):
painter, size = args[:2]
aspectRatioMode = Qt.IgnoreAspectRatio
if len(args) == 3:
aspectRatioMode = args[-1]
r = QRectF(0.0, 0.0, size.width(), size.height())
self.render(painter, r, aspectRatioMode)
elif len(args) in (2, 3) and isinstance(args[1], QRectF):
painter, rect = args[:2]
aspectRatioMode = Qt.IgnoreAspectRatio
if len(args) == 3:
aspectRatioMode = args[-1]
if self.isEmpty() or rect.isEmpty():
return
sx = 1.0
sy = 1.0
if self.__data.pointRect.width() > 0.0:
sx = rect.width() / self.__data.pointRect.width()
if self.__data.pointRect.height() > 0.0:
sy = rect.height() / self.__data.pointRect.height()
scalePens = not bool(self.__data.renderHints
& self.RenderPensUnscaled)
for info in self.__data.pathInfos:
ssx = info.scaleFactorX(self.__data.pointRect, rect, scalePens)
if ssx > 0.0:
sx = min([sx, ssx])
ssy = info.scaleFactorY(self.__data.pointRect, rect, scalePens)
if ssy > 0.0:
sy = min([sy, ssy])
if aspectRatioMode == Qt.KeepAspectRatio:
s = min([sx, sy])
sx = s
sy = s
elif aspectRatioMode == Qt.KeepAspectRatioByExpanding:
s = max([sx, sy])
sx = s
sy = s
tr = QTransform()
tr.translate(
rect.center().x() - 0.5 * sx * self.__data.pointRect.width(),
rect.center().y() - 0.5 * sy * self.__data.pointRect.height(),
)
tr.scale(sx, sy)
tr.translate(-self.__data.pointRect.x(),
-self.__data.pointRect.y())
transform = painter.transform()
if not scalePens and transform.isScaling():
# we don't want to scale pens according to sx/sy,
# but we want to apply the scaling from the
# painter transformation later
self.__data.initialTransform = QTransform()
self.__data.initialTransform.scale(transform.m11(),
transform.m22())
painter.setTransform(tr, True)
self.render(painter)
painter.setTransform(transform)
self.__data.initialTransform = None
elif len(args) in (2, 3) and isinstance(args[1], QPointF):
painter, pos = args[:2]
alignment = Qt.AlignTop | Qt.AlignLeft
if len(args) == 3:
alignment = args[-1]
r = QRectF(pos, self.defaultSize())
if alignment & Qt.AlignLeft:
r.moveLeft(pos.x())
elif alignment & Qt.AlignHCenter:
r.moveCenter(QPointF(pos.x(), r.center().y()))
elif alignment & Qt.AlignRight:
r.moveRight(pos.x())
if alignment & Qt.AlignTop:
r.moveTop(pos.y())
elif alignment & Qt.AlignVCenter:
r.moveCenter(QPointF(r.center().x(), pos.y()))
elif alignment & Qt.AlignBottom:
r.moveBottom(pos.y())
self.render(painter, r)
else:
raise TypeError("%s().render() takes 1, 2 or 3 argument(s) (%s "
"given)" % (self.__class__.__name__, len(args)))