def paint_data(self, data, painter, rectangle, option=None,**kwargs):
painter.save()
r = rectangle
x = r.bottomLeft().x()
y = r.topRight().y()
lx = r.width() / 101.
ly = r.height() / 101.
points = data['color_points'].keys()
orientation = kwargs.get('orientation',QtCore.Qt.Horizontal)
if len(points) > 1:
points.sort()
prev_point = points[0]
prev_color = tuple([255 * data['color_points'][prev_point][c] for c in [0, 1, 2]])
for point in points[1:]:
if orientation == QtCore.Qt.Horizontal:
gradient = QtGui.QLinearGradient(x + prev_point * 100 * lx, y, x + point * 100 * lx + 1, y)
elif orientation == QtCore.Qt.Vertical:
gradient = QtGui.QLinearGradient(x, y + r.height() - prev_point * 100 * ly, x, y + r.height() - point * 100 * ly - 1)
gradient.setColorAt(0, QtGui.QColor(*prev_color))
color = tuple([255 * data['color_points'][point][c] for c in [0, 1, 2]])
gradient.setColorAt(1, QtGui.QColor(*color))
if orientation == QtCore.Qt.Horizontal:
painter.fillRect(x + prev_point * 100 * lx, y, (point - prev_point) * 100 * lx + 1, r.height(), gradient)
elif orientation == QtCore.Qt.Vertical:
painter.fillRect(x, y + r.height() - prev_point * 100 * ly, r.width(), -(point - prev_point) * 100 * ly - 1, gradient)
prev_point = point
prev_color = color
painter.restore()
def paint(self, painter, paintOptions, widget):
myRect = self.boundingRect()
painter.fillRect(self.__headerRect, self.__darkerColor)
gradTop = self.__headerRect.bottomLeft()
gradBot = gradTop + QtCore.QPointF(0, 4)
gradient = QtGui.QLinearGradient(gradTop, gradBot)
gradient.setColorAt(0, self.__shadowColor)
gradient.setColorAt(1, self.__color)
brush = QtGui.QBrush(gradient)
bottomRect = myRect.adjusted(0, self.__headerRect.bottom(), 0, 0)
painter.fillRect(bottomRect, brush)
if not safeEffects:
oldPen = painter.pen()
pen = QtGui.QPen()
pen.setColor(QtGui.QColor(10, 10, 10, 100))
pen.setWidth(1)
painter.setPen(pen)
painter.drawRect(myRect.adjusted(0.5, 0.5, -0.5, -0.5))
painter.setPen(oldPen)
painter.setBrush(QtGui.QBrush(self.__darkerColor))
painter.drawConvexPolygon(self.__handlePoly)
def setupPainter(self, painter, orientation, x1, y1, x2, y2):
highlight = self.palette().color(QtGui.QPalette.Highlight)
gradient = QtGui.QLinearGradient(x1, y1, x2, y2)
gradient.setColorAt(0, highlight.lighter(108))
gradient.setColorAt(1, highlight.lighter(108))
painter.setBrush(gradient)
if orientation == QtCore.Qt.Horizontal:
painter.setPen(QtGui.QPen(highlight.darker(130), 0))
else:
painter.setPen(QtGui.QPen(highlight.darker(150), 0))
def drawSpan(self, painter, rect):
opt = QtGui.QStyleOptionSlider()
QtGui.QSlider.initStyleOption(self, opt)
# area
groove = self.style().subControlRect(QtGui.QStyle.CC_Slider, opt, QtGui.QStyle.SC_SliderGroove, self)
if opt.orientation == QtCore.Qt.Horizontal:
groove.adjust(0, 0, -1, 0)
else:
groove.adjust(0, 0, 0, -1)
# pen & brush
painter.setPen(QtGui.QPen(self.gradientLeft, 0))
if opt.orientation == QtCore.Qt.Horizontal:
self.setupPainter(painter, opt.orientation, groove.center().x(), groove.top(), groove.center().x(), groove.bottom())
else:
self.setupPainter(painter, opt.orientation, groove.left(), groove.center().y(), groove.right(), groove.center().y())
# draw groove
intersected = QtCore.QRectF(rect.intersected(groove))
gradient = QtGui.QLinearGradient(intersected.topLeft(), intersected.topRight())
gradient.setColorAt(0, self.gradientLeft)
gradient.setColorAt(1, self.gradientRight)
painter.fillRect(intersected, gradient)
