def drawItem(self, item, painter, option):
"""
Draws the inputed item as a bar graph.
:param item | <XChartDatasetItem>
painter | <QPainter>
option | <QStyleOptionGraphicsItem>
"""
dataset = item.dataset()
painter.save()
painter.setRenderHint(painter.Antialiasing)
pen = QPen(dataset.color())
pen.setWidth(3)
painter.setPen(pen)
painter.setBrush(Qt.NoBrush)
painter.drawPath(item.path())
if self.showPoints():
palette = QApplication.palette()
pen = QPen(palette.color(palette.Base))
pen.setWidth(2)
painter.setBrush(dataset.color())
painter.setPen(pen)
for point in item.buildData('ellipses', []):
painter.drawEllipse(point,
self.pointRadius(),
self.pointRadius())
painter.restore()
def drawAxis(self, painter, rect, axis):
"""
Draws the axis for the given painter.
:param painter | <QPainter>
rect | <QRect>
"""
if not axis:
return
# draw the axis lines
painter.save()
pen = QPen(self.axisColor())
pen.setWidth(3)
painter.setPen(pen)
# draw the vertical line
if axis.orientation() == Qt.Vertical:
line = QLineF(rect.right(), rect.top(), rect.right(),
rect.bottom())
painter.drawLine(line)
painter.setFont(axis.labelFont())
for y, height, label in self._buildData.get('grid_h_labels', []):
painter.drawText(0, y - height / 2.0,
rect.width() - 3, height,
Qt.AlignRight | Qt.AlignVCenter, label)
painter.translate(0, rect.center().y())
painter.rotate(-90)
painter.setFont(axis.titleFont())
painter.drawText(-rect.height() / 2, 0, rect.height(),
rect.width(), Qt.AlignHCenter | Qt.AlignTop,
axis.title())
# draw the horizontal line
else:
line = QLineF(rect.left(), rect.top(), rect.right(), rect.top())
painter.setFont(axis.titleFont())
painter.drawText(rect, Qt.AlignHCenter | Qt.AlignBottom,
axis.title())
painter.drawLine(line)
painter.setFont(axis.labelFont())
for x, width, label in self._buildData.get('grid_v_labels', []):
painter.drawText(x - width / 2.0, 3, width,
rect.height() - 6,
Qt.AlignHCenter | Qt.AlignTop, label)
painter.restore()
def drawAxis(self, painter, rect, axis):
"""
Draws the axis for the given painter.
:param painter | <QPainter>
rect | <QRect>
"""
if not axis:
return
# draw the axis lines
painter.save()
pen = QPen(self.axisColor())
pen.setWidth(3)
painter.setPen(pen)
# draw the vertical line
if axis.orientation() == Qt.Vertical:
line = QLineF(rect.right(), rect.top(),
rect.right(), rect.bottom())
painter.drawLine(line)
painter.setFont(axis.labelFont())
for y, height, label in self._buildData.get('grid_h_labels', []):
painter.drawText(0, y - height / 2.0, rect.width() - 3, height,
Qt.AlignRight | Qt.AlignVCenter, label)
painter.translate(0, rect.center().y())
painter.rotate(-90)
painter.setFont(axis.titleFont())
painter.drawText(-rect.height()/2, 0, rect.height(), rect.width(),
Qt.AlignHCenter | Qt.AlignTop, axis.title())
# draw the horizontal line
else:
line = QLineF(rect.left(), rect.top(),
rect.right(), rect.top())
painter.setFont(axis.titleFont())
painter.drawText(rect,
Qt.AlignHCenter | Qt.AlignBottom,
axis.title())
painter.drawLine(line)
painter.setFont(axis.labelFont())
for x, width, label in self._buildData.get('grid_v_labels', []):
painter.drawText(x - width / 2.0, 3, width, rect.height() - 6,
Qt.AlignHCenter | Qt.AlignTop, label)
painter.restore()
def drawItem(self, item, painter, option):
"""
Draws the inputed item as a bar graph.
:param item | <XChartDatasetItem>
painter | <QPainter>
option | <QStyleOptionGraphicsItem>
"""
dataset = item.dataset()
painter.save()
painter.setRenderHint(painter.Antialiasing)
center = item.buildData('center')
radius = item.buildData('radius')
if int(option.state) & QStyle.State_MouseOver != 0:
alpha = 20
mouse_over = True
else:
alpha = 0
mouse_over = False
for value, subpath in item.buildData('subpaths', []):
clr = dataset.color(value)
bg = clr.lighter(110)
bg.setAlpha(alpha + 100)
painter.setBrush(bg)
if mouse_over:
scale = 1.08
dx = (center.x() / scale) - center.x()
dy = (center.y() / scale) - center.y()
painter.save()
painter.scale(scale, scale)
painter.translate(dx, dy)
painter.setPen(Qt.NoPen)
painter.drawPath(subpath)
painter.restore()
pen = QPen(clr)
pen.setWidth(0.5)
painter.setPen(pen)
painter.drawPath(subpath)
painter.restore()
def drawItem(self, item, painter, option):
"""
Draws the inputed item as a bar graph.
:param item | <XChartDatasetItem>
painter | <QPainter>
option | <QStyleOptionGraphicsItem>
"""
dataset = item.dataset()
painter.save()
painter.setRenderHint(painter.Antialiasing)
center = item.buildData('center')
radius = item.buildData('radius')
if int(option.state) & QStyle.State_MouseOver != 0:
alpha = 20
mouse_over = True
else:
alpha = 0
mouse_over = False
for value, subpath in item.buildData('subpaths', []):
clr = dataset.color(value)
bg = clr.lighter(110)
bg.setAlpha(alpha + 100)
painter.setBrush(bg)
if mouse_over:
scale = 1.08
dx = (center.x() / scale) - center.x()
dy = (center.y() / scale) - center.y()
painter.save()
painter.scale(scale, scale)
painter.translate(dx, dy)
painter.setPen(Qt.NoPen)
painter.drawPath(subpath)
painter.restore()
pen = QPen(clr)
pen.setWidth(0.5)
painter.setPen(pen)
painter.drawPath(subpath)
painter.restore()
def drawAxis(self, painter):
"""
Draws the axis for this system.
"""
# draw the axis lines
pen = QPen(self.axisColor())
pen.setWidth(4)
painter.setPen(pen)
painter.drawLines(self._buildData['axis_lines'])
# draw the notches
for rect, text in self._buildData['grid_h_notches']:
painter.drawText(rect, Qt.AlignTop | Qt.AlignRight, text)
for rect, text in self._buildData['grid_v_notches']:
painter.drawText(rect, Qt.AlignCenter, text)
def drawAxis( self, painter ):
"""
Draws the axis for this system.
"""
# draw the axis lines
pen = QPen(self.axisColor())
pen.setWidth(4)
painter.setPen(pen)
painter.drawLines(self._buildData['axis_lines'])
# draw the notches
for rect, text in self._buildData['grid_h_notches']:
painter.drawText(rect, Qt.AlignTop | Qt.AlignRight, text)
for rect, text in self._buildData['grid_v_notches']:
painter.drawText(rect, Qt.AlignCenter, text)
def drawItem(self, item, painter, option):
"""
Draws the inputed item as a bar graph.
:param item | <XChartDatasetItem>
painter | <QPainter>
option | <QStyleOptionGraphicsItem>
"""
dataset = item.dataset()
painter.save()
painter.setRenderHint(painter.Antialiasing)
pen = QPen(dataset.color())
pen.setWidth(0.75)
painter.setPen(pen)
for path in item.buildData('subpaths', []):
gradient = QLinearGradient()
clr = QColor(dataset.color())
clr.setAlpha(220)
gradient.setColorAt(0.0, clr.lighter(180))
gradient.setColorAt(0.1, clr.lighter(160))
gradient.setColorAt(0.25, clr.lighter(140))
gradient.setColorAt(1.0, clr.lighter(125))
if self.orientation() == Qt.Vertical:
gradient.setStart(0, path.boundingRect().bottom())
gradient.setFinalStop(0, path.boundingRect().top())
else:
gradient.setStart(path.boundingRect().left(), 0)
gradient.setFinalStop(path.boundingRect().right(), 0)
painter.setBrush(gradient)
painter.drawPath(path)
painter.restore()
def drawItem(self, item, painter, option):
"""
Draws the inputed item as a bar graph.
:param item | <XChartDatasetItem>
painter | <QPainter>
option | <QStyleOptionGraphicsItem>
"""
dataset = item.dataset()
painter.save()
painter.setRenderHint(painter.Antialiasing)
pen = QPen(dataset.color())
pen.setWidth(0.75)
painter.setPen(pen)
for path in item.buildData('subpaths', []):
gradient = QLinearGradient()
clr = QColor(dataset.color())
clr.setAlpha(220)
gradient.setColorAt(0.0, clr.lighter(180))
gradient.setColorAt(0.1, clr.lighter(160))
gradient.setColorAt(0.25, clr.lighter(140))
gradient.setColorAt(1.0, clr.lighter(125))
if self.orientation() == Qt.Vertical:
gradient.setStart(0, path.boundingRect().bottom())
gradient.setFinalStop(0, path.boundingRect().top())
else:
gradient.setStart(path.boundingRect().left(), 0)
gradient.setFinalStop(path.boundingRect().right(), 0)
painter.setBrush(gradient)
painter.drawPath(path)
painter.restore()
def paint( self, painter, option, widget ):
"""
Paints this item.
:param painter | <QPainter>
option | <QGraphicsOption>
widget | <QWidget>
"""
painter.save()
pen = QPen(self.color())
pen.setWidth(2)
painter.setPen(pen)
painter.drawPath(self._basePath)
painter.setRenderHint(painter.Antialiasing)
pen.setColor(QColor('white'))
painter.setPen(pen)
painter.setBrush(self.color())
for ellipse in self._ellipses:
painter.drawEllipse(ellipse, 6, 6)
painter.restore()
def paint(self, painter, option, widget):
"""
Draws this item with the inputed painter.
:param painter | <QPainter>
rect | <QRect>
"""
if self._dirty:
self.rebuild()
scene = self.scene()
if not scene:
return
grid = scene.gridRect()
typ = self.chartType()
# draw the line chart
if typ == XChartScene.Type.Line:
painter.setRenderHint(painter.Antialiasing)
# draw the path area
area = self._buildData.get('path_area')
if area and self.isShaded():
clr = QColor(self.color())
clr.setAlpha(120)
painter.setPen(Qt.NoPen)
painter.setBrush(clr)
painter.drawPath(area)
# draw the line data
pen = QPen(self.color())
pen.setWidth(2)
painter.setPen(pen)
painter.setBrush(Qt.NoBrush)
painter.drawPath(self.path())
if (self.showPointsInLine()):
palette = QApplication.palette()
pen = QPen(palette.color(palette.Base))
pen.setWidth(2)
painter.setBrush(self.color())
painter.setPen(pen)
for point in self._ellipses:
painter.drawEllipse(point, self.pointRadius(),
self.pointRadius())
# draw a bar chart
elif typ == XChartScene.Type.Bar:
painter.setRenderHint(painter.Antialiasing)
pen = QPen(self.color())
pen.setWidth(1)
painter.setPen(pen)
for key, value, sub_path in self._subpaths:
gradient = QLinearGradient()
clr = QColor(self.color())
if (sub_path != self._hoveredPath):
clr.setAlpha(130)
gradient.setColorAt(0.0, clr.lighter(140))
gradient.setColorAt(0.1, clr.lighter(120))
gradient.setColorAt(0.25, clr.lighter(110))
gradient.setColorAt(1.0, clr.lighter(105))
if (self.orientation() == Qt.Horizontal):
gradient.setStart(0, sub_path.boundingRect().top())
gradient.setFinalStop(0, sub_path.boundingRect().bottom())
else:
gradient.setStart(sub_path.boundingRect().left(), 0)
gradient.setFinalStop(sub_path.boundingRect().right(), 0)
painter.setBrush(gradient)
painter.drawPath(sub_path)
# draw a simple pie chart (calculated by scene)
elif typ == XChartScene.Type.Pie:
painter.setRenderHint(painter.Antialiasing)
center = self.pieCenter()
radius = self.radius()
for key, value, sub_path in self._subpaths:
clr = self.keyColor(key)
gradient = QRadialGradient(QPointF(0, 0), radius)
a = QColor(clr.lighter(140))
b = QColor(clr.lighter(110))
a.setAlpha(40)
b.setAlpha(80)
# look for mouse over
if (sub_path == self._hoveredPath):
a.setAlpha(100)
b.setAlpha(200)
gradient.setColorAt(0, a)
gradient.setColorAt(1, b)
pen = QPen(clr)
pen.setWidth(1)
painter.setBrush(gradient)
painter.setPen(pen)
painter.drawPath(sub_path)
def paint( self, painter, option, widget ):
"""
Draws this item with the inputed painter.
:param painter | <QPainter>
rect | <QRect>
"""
if self._dirty:
self.rebuild()
scene = self.scene()
if not scene:
return
grid = scene.gridRect()
typ = self.chartType()
# draw the line chart
if typ == XChartScene.Type.Line:
painter.setRenderHint(painter.Antialiasing)
# draw the path area
area = self._buildData.get('path_area')
if area and self.isShaded():
clr = QColor(self.color())
clr.setAlpha(120)
painter.setPen(Qt.NoPen)
painter.setBrush(clr)
painter.drawPath(area)
# draw the line data
pen = QPen(self.color())
pen.setWidth(2)
painter.setPen(pen)
painter.setBrush(Qt.NoBrush)
painter.drawPath(self.path())
if ( self.showPointsInLine() ):
palette = QApplication.palette()
pen = QPen(palette.color(palette.Base))
pen.setWidth(2)
painter.setBrush(self.color())
painter.setPen(pen)
for point in self._ellipses:
painter.drawEllipse(point,
self.pointRadius(),
self.pointRadius())
# draw a bar chart
elif typ == XChartScene.Type.Bar:
painter.setRenderHint(painter.Antialiasing)
pen = QPen(self.color())
pen.setWidth(1)
painter.setPen(pen)
for key, value, sub_path in self._subpaths:
gradient = QLinearGradient()
clr = QColor(self.color())
if ( sub_path != self._hoveredPath ):
clr.setAlpha(130)
gradient.setColorAt(0.0, clr.lighter(140))
gradient.setColorAt(0.1, clr.lighter(120))
gradient.setColorAt(0.25, clr.lighter(110))
gradient.setColorAt(1.0, clr.lighter(105))
if ( self.orientation() == Qt.Horizontal ):
gradient.setStart(0, sub_path.boundingRect().top())
gradient.setFinalStop(0, sub_path.boundingRect().bottom())
else:
gradient.setStart(sub_path.boundingRect().left(), 0)
gradient.setFinalStop(sub_path.boundingRect().right(), 0)
painter.setBrush(gradient)
painter.drawPath(sub_path)
# draw a simple pie chart (calculated by scene)
elif typ == XChartScene.Type.Pie:
painter.setRenderHint(painter.Antialiasing)
center = self.pieCenter()
radius = self.radius()
for key, value, sub_path in self._subpaths:
clr = self.keyColor(key)
gradient = QRadialGradient(QPointF(0, 0), radius)
a = QColor(clr.lighter(140))
b = QColor(clr.lighter(110))
a.setAlpha(40)
b.setAlpha(80)
# look for mouse over
if ( sub_path == self._hoveredPath ):
a.setAlpha(100)
b.setAlpha(200)
gradient.setColorAt(0, a)
gradient.setColorAt(1, b)
pen = QPen(clr)
pen.setWidth(1)
painter.setBrush(gradient)
painter.setPen(pen)
painter.drawPath(sub_path)
