def _check_area(self):
"""
Check if the current layout added areas cover the entire rectangle.
Rectangle given by the extreme points for the added areas.
"""
self._area_rects = []
height = self._rows + 1
area_float_rects = []
delta = 0.0001
for index, area in enumerate(self._areas):
# These areas are used with a small delta to ensure if they are
# next to each other they will not overlap.
rectf = QRectF()
rectf.setLeft(area["column"] + delta)
rectf.setRight(area["column"] + area["col_span"] - delta)
rectf.setTop(height - area["row"] - delta)
rectf.setBottom(height - area["row"] - area["row_span"] + delta)
rectf.index = index
rectf.plugin_ids = area["plugin_ids"]
area_float_rects.append(rectf)
# These areas are used to calculate the actual total area
rect = QRectF()
rect.setLeft(area["column"])
rect.setRight(area["column"] + area["col_span"])
rect.setTop(height - area["row"])
rect.setBottom(height - area["row"] - area["row_span"])
rect.index = index
rect.plugin_ids = area["plugin_ids"]
self._area_rects.append(rect)
# Check if areas are overlapping!
for rect_1 in area_float_rects:
for rect_2 in area_float_rects:
if rect_1.index != rect_2.index:
if rect_1.intersects(rect_2):
raise SpyderAPIError(
"Area with plugins {0} is overlapping area "
"with plugins {1}".format(rect_1.plugin_ids,
rect_2.plugin_ids))
# Check the total area (using corner points) versus the sum of areas
total_area = 0
tops = []
rights = []
for index, rect in enumerate(self._area_rects):
tops.append(rect.top())
rights.append(rect.right())
area = abs(rect.width() * rect.height())
total_area += area
self._areas[index]["area"] = area
if total_area != max(rights)*max(tops):
raise SpyderAPIError(
"Areas are not covering the entire section!\n"
"Either an area is missing or col_span/row_span are "
"not correctly set!"
)
def paintEvent(self, a0: QPaintEvent) -> None:
super().paintEvent(a0)
painter = QPainter(self)
painter.save()
painter.setRenderHint(QPainter.Antialiasing)
rect = QRectF(self.margin, self.margin,
self.width() - self.margin * 2,
self.height() - 2 * self.margin)
painter.setBrush(Qt.white)
painter.setPen(Qt.white)
painter.drawRect(rect)
painter.restore()
painter.save()
painter.setRenderHint(QPainter.Antialiasing)
pen = QPen()
pen.setWidth(3)
painter.setPen(pen)
path = QPainterPath()
height, width = rect.height() + self.margin, rect.width() + self.margin
path.moveTo(self.margin, height)
path.cubicTo(height * 0.5, width * 0.9, height * 0.9, width * 0.5,
height, self.margin)
painter.drawPath(path)
painter.restore()
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 box_rect(self, rect: QtCore.QRectF):
self._box_rect = rect
# Update the scene rect so that it matches how much space we
# currently want for drawing everything.
rect.setWidth(rect.width() - 1)
self.setSceneRect(rect)
def renderTo(self, plot, dest):
"""
Render a plot to a file
Supported formats are:
- pdf: Portable Document Format PDF
- ps: Postcript
- svg: Scalable Vector Graphics SVG
- all image formats supported by Qt, see QImageWriter.supportedImageFormats()
Scalable vector graphic formats like PDF or SVG are superior to
raster graphics formats.
:param qwt.plot.QwtPlot plot: Plot widget
:param dest: QPaintDevice, QPrinter or QSvgGenerator instance
.. seealso::
:py:meth:`render()`,
:py:meth:`qwt.painter.QwtPainter.setRoundingAlignment()`
"""
if isinstance(dest, QPaintDevice):
w = dest.width()
h = dest.height()
rect = QRectF(0, 0, w, h)
elif isinstance(dest, QPrinter):
w = dest.width()
h = dest.height()
rect = QRectF(0, 0, w, h)
aspect = rect.width() / rect.height()
if aspect < 1.0:
rect.setHeight(aspect * rect.width())
elif isinstance(dest, QSvgGenerator):
rect = dest.viewBoxF()
if rect.isEmpty():
rect.setRect(0, 0, dest.width(), dest.height())
if rect.isEmpty():
rect.setRect(0, 0, 800, 600)
else:
raise TypeError("Unsupported destination type %s" % type(dest))
p = QPainter(dest)
self.render(plot, p, rect)
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 draw(self, painter):
"""
Draw the scale
:param QPainter painter: Painter
"""
self.__data.scaleDraw.draw(painter, self.palette())
if (self.__data.colorBar.isEnabled and self.__data.colorBar.width > 0
and self.__data.colorBar.interval.isValid()):
self.drawColorBar(painter, self.colorBarRect(self.contentsRect()))
r = QRectF(self.contentsRect())
if self.__data.scaleDraw.orientation() == Qt.Horizontal:
r.setLeft(r.left() + self.__data.borderDist[0])
r.setWidth(r.width() - self.__data.borderDist[1])
else:
r.setTop(r.top() + self.__data.borderDist[0])
r.setHeight(r.height() - self.__data.borderDist[1])
if not self.__data.title.isEmpty():
self.drawTitle(painter, self.__data.scaleDraw.alignment(), r)
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 draw(self, painter, rect, flags, text):
"""
Draw the text in a clipping rectangle
:param QPainter painter: Painter
:param QRectF rect: Clipping rectangle
:param int flags: Bitwise OR of the flags like in for QPainter::drawText()
:param str text: Text to be rendered
"""
txt = QwtRichTextDocument(text, flags, painter.font())
painter.save()
unscaledRect = QRectF(rect)
if painter.font().pixelSize() < 0:
res = qwtScreenResolution()
pd = painter.device()
if pd.logicalDpiX() != res.width() or pd.logicalDpiY(
) != res.height():
transform = QTransform()
transform.scale(
res.width() / float(pd.logicalDpiX()),
res.height() / float(pd.logicalDpiY()),
)
painter.setWorldTransform(transform, True)
invtrans, _ok = transform.inverted()
unscaledRect = invtrans.mapRect(rect)
txt.setDefaultFont(painter.font())
txt.setPageSize(QSizeF(unscaledRect.width(), QWIDGETSIZE_MAX))
layout = txt.documentLayout()
height = layout.documentSize().height()
y = unscaledRect.y()
if flags & Qt.AlignBottom:
y += unscaledRect.height() - height
elif flags & Qt.AlignVCenter:
y += (unscaledRect.height() - height) / 2
context = QAbstractTextDocumentLayout.PaintContext()
context.palette.setColor(QPalette.Text, painter.pen().color())
painter.translate(unscaledRect.x(), y)
layout.draw(painter, context)
painter.restore()
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
class Colorbar(ChartItem):
def __init__(self, colormap, v_min, v_max, parent=None):
""" Displays the chart_tests item in a legend table. """
super(Colorbar, self).__init__(
) # Pycharm / pyLint inspection error. Please ignore
self.setFlags(QGraphicsItem.ItemIsMovable
| QGraphicsItem.ItemIgnoresTransformations)
self.chartItemFlags = ChartItemFlags.FLAG_NO_LABEL
self._picture = None
self._bRect = QRectF(0, 0, 200, 200)
self.cm = colormap
self.v_min = v_min
self.v_max = v_max
self.font = QFont("Helvetica [Cronyx]", 10, QFont.Normal)
self.fontFlags = Qt.TextDontClip | Qt.AlignLeft | Qt.AlignVCenter
self.setVisible(True)
metrics = QFontMetrics(self.font)
runWidth = 0
for entry in [v_min, v_max]:
w = metrics.width("{}".format(entry))
if w > runWidth:
runWidth = w
self._bRect.setWidth(runWidth + 60)
self._updatePicture()
def _updatePicture(self):
self._picture = QPicture()
painter = QPainter(self._picture)
self._generatePicture(painter)
painter.end()
def _generatePicture(self, p=QPainter()):
p.setPen(QPen(QColor("#aaaaaa")))
p.setBrush(QBrush(QColor(80, 80, 80, 210), Qt.SolidPattern))
p.drawRoundedRect(self._bRect, 2, 2)
for n in range(0, 180, 1):
v = n / 180.0
a = self.cm(v)
color = QColor.fromRgbF(a[0], a[1], a[2])
p.setBrush(QBrush(color))
p.setPen(QPen(color))
p.drawRect(QRect(5, 190 - n, 20, -1))
p.setBrush(QBrush(Qt.transparent))
p.setPen(QPen(QColor("#FFFFFF")))
tickRect = QRectF(32, 6, self._bRect.width() - 32, 11)
p.drawText(tickRect, self.fontFlags, "{}".format(self.v_max))
# tickRect = QRectF(32, 94, self._bRect.width() - 32, 11)
# p.drawText(tickRect, self.fontFlags, "{}".format(self.v_max - (self.v_max - self.v_min) / 2.))
tickRect = QRectF(32, 184, self._bRect.width() - 32, 11)
p.drawText(tickRect, self.fontFlags, "{}".format(self.v_min))
def boundingRect(self):
return self._bRect
# def shape(self):
# path = QPainterPath()
# path.addRect(self._bRect)
# return path
def paint(self, p=QPainter(), o=QStyleOptionGraphicsItem(), widget=None):
if self._picture is None:
return
self._picture.play(p)
def __del__(self):
_log.debug("Finalizing: {}".format(self))
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.AXES:
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)
