def _gradient(self, prop):
name = 'gradient'
# Create the specific gradient.
gtype = prop.get('type', '')
if gtype == 'LinearGradient':
startx = float(prop.get('startx'))
starty = float(prop.get('starty'))
endx = float(prop.get('endx'))
endy = float(prop.get('endy'))
gradient = self.factory.createQObject('QLinearGradient',
name,
(startx, starty, endx, endy),
is_attribute=False)
elif gtype == 'ConicalGradient':
centralx = float(prop.get('centralx'))
centraly = float(prop.get('centraly'))
angle = float(prop.get('angle'))
gradient = self.factory.createQObject('QConicalGradient',
name,
(centralx, centraly, angle),
is_attribute=False)
elif gtype == 'RadialGradient':
centralx = float(prop.get('centralx'))
centraly = float(prop.get('centraly'))
radius = float(prop.get('radius'))
focalx = float(prop.get('focalx'))
focaly = float(prop.get('focaly'))
gradient = self.factory.createQObject(
'QRadialGradient',
name, (centralx, centraly, radius, focalx, focaly),
is_attribute=False)
else:
raise UnsupportedPropertyError(prop.tag)
# Set the common values.
spread = prop.get('spread')
if spread:
gradient.setSpread(getattr(QtGui.QGradient, spread))
cmode = prop.get('coordinatemode')
if cmode:
gradient.setCoordinateMode(getattr(QtGui.QGradient, cmode))
# Get the gradient stops.
for gstop in prop:
if gstop.tag != 'gradientstop':
raise UnsupportedPropertyError(gstop.tag)
position = float(gstop.get('position'))
color = self._color(gstop[0])
gradient.setColorAt(position, color)
return name
def convert(self, prop, widget=None):
try:
func = getattr(self, "_" + prop[0].tag)
except AttributeError:
raise UnsupportedPropertyError(prop[0].tag)
else:
args = {}
if getattr(func, "needsWidget", False):
assert widget is not None
args["widget"] = widget
return func(prop[0], **args)
def _palette(self, prop):
palette = self.factory.createQObject("QPalette", "palette", (),
is_attribute=False)
for palette_elem in prop:
sub_palette = getattr(QtGui.QPalette, palette_elem.tag.title())
for role, color in enumerate(palette_elem):
if color.tag == 'color':
# Handle simple colour descriptions where the role is
# implied by the colour's position.
palette.setColor(sub_palette,
QtGui.QPalette.ColorRole(role), self._color(color))
elif color.tag == 'colorrole':
role = getattr(QtGui.QPalette, color.get('role'))
brush = self._brush(color[0])
palette.setBrush(sub_palette, role, brush)
else:
raise UnsupportedPropertyError(color.tag)
return palette