def brushChanged(self):
style = QtCore.Qt.BrushStyle(
int(
self.brushStyleComboBox.itemData(
self.brushStyleComboBox.currentIndex(), IdRole)))
if style == QtCore.Qt.LinearGradientPattern:
linearGradient = QtGui.QLinearGradient(0, 0, 100, 100)
linearGradient.setColorAt(0.0, QtCore.Qt.white)
linearGradient.setColorAt(0.2, QtCore.Qt.green)
linearGradient.setColorAt(1.0, QtCore.Qt.black)
self.renderArea.setBrush(QtGui.QBrush(linearGradient))
elif style == QtCore.Qt.RadialGradientPattern:
radialGradient = QtGui.QRadialGradient(50, 50, 50, 50, 50)
radialGradient.setColorAt(0.0, QtCore.Qt.white)
radialGradient.setColorAt(0.2, QtCore.Qt.green)
radialGradient.setColorAt(1.0, QtCore.Qt.black)
self.renderArea.setBrush(QtGui.QBrush(radialGradient))
elif style == QtCore.Qt.ConicalGradientPattern:
conicalGradient = QtGui.QConicalGradient(50, 50, 150)
conicalGradient.setColorAt(0.0, QtCore.Qt.white)
conicalGradient.setColorAt(0.2, QtCore.Qt.green)
conicalGradient.setColorAt(1.0, QtCore.Qt.black)
self.renderArea.setBrush(QtGui.QBrush(conicalGradient))
elif style == QtCore.Qt.TexturePattern:
self.renderArea.setBrush(
QtGui.QBrush(QtGui.QPixmap(":/images/brick.png")))
else:
self.renderArea.setBrush(QtGui.QBrush(QtCore.Qt.green, style))
def draw(self, painter):
triangle = [
QtCore.QPoint(-2, -49),
QtCore.QPoint(+2, -49),
QtCore.QPoint(0, -47)
]
thickPen = QtGui.QPen(self.palette().foreground(), 1.5)
thinPen = QtGui.QPen(self.palette().foreground(), 0.5)
niceBlue = QtGui.QColor(150, 150, 200)
painter.setPen(thinPen)
painter.setBrush(self.palette().foreground())
painter.drawPolygon(QtGui.QPolygon(triangle))
coneGradient = QtGui.QConicalGradient(0, 0, -90.0)
coneGradient.setColorAt(0.0, QtCore.Qt.darkGray)
coneGradient.setColorAt(0.2, niceBlue)
coneGradient.setColorAt(0.5, QtCore.Qt.white)
coneGradient.setColorAt(1.0, QtCore.Qt.darkGray)
painter.setBrush(coneGradient)
painter.drawEllipse(-46, -46, 92, 92)
haloGradient = QtGui.QRadialGradient(0, 0, 20, 0, 0)
haloGradient.setColorAt(0.0, QtCore.Qt.lightGray)
haloGradient.setColorAt(0.8, QtCore.Qt.darkGray)
haloGradient.setColorAt(0.9, QtCore.Qt.white)
haloGradient.setColorAt(1.0, QtCore.Qt.black)
painter.setPen(QtCore.Qt.NoPen)
painter.setBrush(haloGradient)
painter.drawEllipse(-20, -20, 40, 40)
knobGradient = QtGui.QLinearGradient(-7, -25, 7, -25)
knobGradient.setColorAt(0.0, QtCore.Qt.black)
knobGradient.setColorAt(0.2, niceBlue)
knobGradient.setColorAt(0.3, QtCore.Qt.lightGray)
knobGradient.setColorAt(0.8, QtCore.Qt.white)
knobGradient.setColorAt(1.0, QtCore.Qt.black)
painter.rotate(self.duration() * self.DegreesPerSecond)
painter.setBrush(knobGradient)
painter.setPen(thinPen)
painter.drawRoundRect(-7, -25, 14, 50, 99, 49)
for i in range(0, self.MaxMinutes + 1):
painter.save()
painter.rotate(-i * self.DegreesPerMinute)
if i % 5 == 0:
painter.setPen(thickPen)
painter.drawLine(0, -41, 0, -44)
painter.drawText(-15, -41, 30, 30,
QtCore.Qt.AlignHCenter | QtCore.Qt.AlignTop,
str(i))
else:
painter.setPen(thinPen)
painter.drawLine(0, -42, 0, -44)
painter.restore()
def initUI(self):
self._conicalGradient = QtGui.QConicalGradient(self.width() / 2,
self.height() / 2, 180)
for pos, (r, g, b) in CONICAL_GRADIENT:
self._conicalGradient.setColorAt(pos, QtGui.QColor(r, g, b))
top = self._rect.top()
bottom = self._rect.top() + self._rect.height()
self._vertical_gradient = QtGui.QLinearGradient(0, top, 0, bottom)
self._vertical_gradient.setColorAt(0.0, QtGui.QColor(*TRANSPARENT))
self._vertical_gradient.setColorAt(1.0, QtGui.QColor(BLACK))
left = self._rect.left()
right = self._rect.left() + self._rect.width()
self._horizontal_gradient = QtGui.QLinearGradient(left, 0, right, 0)
self._horizontal_gradient.setColorAt(0.0, QtGui.QColor(WHITE))
def __init__(self, parent=None):
super(ColorWheel, self).__init__(parent)
self._is_clicked = False
self._rect = QtCore.QRect(25, 25, 50, 50)
self._current_color = QtGui.QColor(WHITE)
self._color_point = QtCore.QPoint(150, 50)
self._current_tool = None
self._angle = 180
self.setFixedSize(100, 100)
self._conicalGradient = QtGui.QConicalGradient(self.width() / 2,
self.height() / 2, 180)
for pos, (r, g, b) in CONICAL_GRADIENT:
self._conicalGradient.setColorAt(pos, QtGui.QColor(r, g, b))
top = self._rect.top()
bottom = self._rect.top() + self._rect.height()
self._vertical_gradient = QtGui.QLinearGradient(0, top, 0, bottom)
self._vertical_gradient.setColorAt(0.0, QtGui.QColor(*TRANSPARENT))
self._vertical_gradient.setColorAt(1.0, QtGui.QColor(BLACK))
left = self._rect.left()
right = self._rect.left() + self._rect.width()
self._horizontal_gradient = QtGui.QLinearGradient(left, 0, right, 0)
self._horizontal_gradient.setColorAt(0.0, QtGui.QColor(WHITE))
def __init__(self, centerX=0, centerY=0, angle=0, alpha=1):
super(ConicalGradientColor, self).__init__(alpha)
self.value = QtGui.QConicalGradient(centerX, centerY, angle)