def rotate_image(self):
pm = self.label.pixmap()
t = QTransform()
t.rotate(90)
pm = pm.transformed(t)
self.label.setPixmap(pm)
self.label.adjustSize()
def main():
# written/taken from https://www.codesd.com/item/how-to-create-a-pie-chart-with-pyqt-in-python.html
app = QApplication(sys.argv)
radius = 200
scene = WheelScene(radius=radius)
wheel = WheelPhoto()
wheel.show()
wheel.spinWheel(7)
wheel_label = WheelLabel()
wheel_label.show()
view = QGraphicsView(scene)
view.setStyleSheet("background: transparent")
view.setSceneRect(0, 0, radius * 2, radius * 2)
group = scene.createItemGroup(scene.items())
print("view: sceneRect=%s" % view.sceneRect())
#print("view: rect=%s" %view.cen)
view.show()
i = 0
while True:
transform = QTransform()
offset = group.boundingRect().center()
transform.translate(offset.x(), offset.y())
transform.rotate(i)
transform.translate(-offset.x(), -offset.y())
group.setTransform(transform)
view.transform()
QtTest.QTest.qWait(50)
i += 1
app.exec_()
def rotate_image(self):
pm = self.label.pixmap()
t = QTransform()
t.rotate(90)
pm = self.current_img = pm.transformed(t)
self.label.setPixmap(pm)
self.label.adjustSize()
self.factor = 1
for sb in (self.scrollarea.horizontalScrollBar(),
self.scrollarea.verticalScrollBar()):
sb.setValue(0)
def rotate_image(self):
pm = self.label.pixmap()
t = QTransform()
t.rotate(90)
pm = self.current_img = pm.transformed(t)
self.label.setPixmap(pm)
self.label.adjustSize()
self.factor = 1
for sb in (self.scrollarea.horizontalScrollBar(),
self.scrollarea.verticalScrollBar()):
sb.setValue(0)
def rotate_image(img, degrees):
t = QTransform()
t.rotate(degrees)
return image_from_data(img).transformed(t)
def rotate_image(img, degrees):
t = QTransform()
t.rotate(degrees)
return image_from_data(img).transformed(t)
def __call__(self, canvas):
img = canvas.current_image
m = QTransform()
m.rotate(90)
return img.transformed(m, Qt.SmoothTransformation)
def __call__(self, canvas):
img = canvas.current_image
m = QTransform()
m.rotate(90)
return img.transformed(m, Qt.SmoothTransformation)
def drawControl(self, element, option, painter, widget):
'''
@param: element ControlElement
@param: option QStyleOption
@param: painter QPainter
@param: widget QWidget
'''
v_opt = option
if element != self.CE_TabBarTab or not isinstance(
v_opt, QStyleOptionTab):
QProxyStyle.drawControl(element, option, painter, widget)
return
rect = v_opt.rect
selected = v_opt.state & self.State_Selected
vertical_tabs = v_opt.shape == QTabBar.RoundedWest
text = v_opt.text
if selected:
# background
painter.save()
grad = QLinearGradient(rect.topLeft(), rect.topRight())
grad.setColorAt(0, QColor(255, 255, 255, 140))
grad.setColorAt(0, QColor(255, 255, 255, 210))
painter.fillRect(rect.adjusted(0, 0, 0, -1), grad)
painter.restore()
# shadows
painter.setPen(QColor(0, 0, 0, 110))
painter.drawLine(rect.topLeft() + QPoint(1, -1),
rect.topRight() - QPoint(0, 1))
painter.drawLine(rect.bottomLeft(), rect.bottomRight())
painter.setPen(QColor(0, 0, 0, 40))
painter.drawLine(rect.topLeft(), rect.bottomLeft())
# highlights
painter.setPen(QColor(255, 255, 255, 50))
painter.drawLine(rect.topLeft() + QPoint(0, -2),
rect.topRight() - QPoint(0, 2))
painter.drawLine(rect.bottomLeft() + QPoint(0, 1),
rect.bottomRight() + QPoint(0, 1))
painter.setPen(QColor(255, 255, 255, 40))
painter.drawLine(rect.topLeft() + QPoint(0, 0), rect.topRight())
painter.drawLine(rect.topRight() + QPoint(0, 1),
rect.bottomRight() - QPoint(0, 1))
painter.drawLine(rect.bottomLeft() + QPoint(0, -1),
rect.bottomRight() - QPoint(0, 1))
m = QTransform()
if vertical_tabs:
m = QTransform.fromTranslate(rect.left(), rect.bottom())
m.rotate(-90)
else:
m = QTransform.fromTranslate(rect.left(), rect.top())
draw_rect = QRect(QPoint(0, 0), m.mapRect(rect).size())
painter.save()
painter.setTransform(m)
icon_rect = QRect(QPoint(8, 0), v_opt.iconSize)
text_rect = QRect(icon_rect.topRight() + QPoint(4, 0),
draw_rect.size())
text_rect.setRight(draw_rect.width())
icon_rect.translate(0, (draw_rect.height() - icon_rect.height()) / 2)
boldFont = QFont(painter.font())
boldFont.setPointSizeF(styleHelper.sidebarFontSize())
boldFont.setBold(True)
painter.setFont(boldFont)
painter.setPen(selected and QColor(255, 255, 255, 160)
or QColor(0, 0, 0, 110))
textFlags = Qt.AlignHCenter | Qt.AlignVCenter
painter.drawText(text_rect, textFlags, text)
painter.setPen(selected and QColor(60, 60, 60)
or styleHelper.panelTextColor())
if widget:
fader_key = 'tab_' + text + '_fader'
animation_key = 'tab_' + text + '_animation'
tab_hover = widget.property('tab_hover')
# int
fader = widget.property(fader_key)
# QPropertyAnimation
animation = widget.property(animation_key)
if not animation:
mut_widget = widget
fader = 0
mut_widget.setProperty(fader_key, fader)
animation = QPropertyAnimation(mut_widget, fader_key,
mut_widget)
animation.valueChanged.connect(mut_widget.update)
mut_widget.setProperty(animation_key, animation)
if text == tab_hover:
if animation.state(
) != QAbstractAnimation.Running and fader != 40:
animation.stop()
animation.setDuration(80)
animation.setEndValue(40)
animation.start()
else:
if animation.state(
) != QAbstractAnimation.Running and fader != 0:
animation.stop()
animation.setDuration(160)
animation.setEndValue(0)
animation.start()
if not selected:
painter.save()
painter.fillRect(draw_rect, QColor(255, 255, 255, fader))
painter.setPen(QPen(QColor(255, 255, 255, fader), 1.0))
painter.drawLine(
draw_rect.topLeft(),
vertical_tabs and draw_rect.bottomLeft()
or draw_rect.topRight())
painter.drawLine(
draw_rect.bottomRight(),
vertical_tabs and draw_rect.topRight()
or draw_rect.bottomLeft())
painter.restore()
if selected:
iconMode = QIcon.Selected
else:
iconMode = QIcon.Normal
styleHelper.drawIconWithShadow(v_opt.icon, icon_rect, painter,
iconMode)
painter.drawText(text_rect.translated(0, -1), textFlags, text)
painter.restore()
