def bevel(self, surface, inner=False):
"""
Applies a raised bevel effect to this Widget's initial background surface.
"""
color_tuple = self.current_background_color()
surface.fill(color_tuple)
color = Color(*color_tuple)
highlight = color.correct_gamma(2) if inner else color.correct_gamma(
0.75)
shadow = color.correct_gamma(0.5) if inner else color.correct_gamma(
1.5)
bd = self.bevel_depth
polygon(
surface,
highlight,
[ # top
(0, 0), (self.rect.width, 0), (self.rect.width - bd, bd),
(bd, bd)
])
polygon(
surface,
shadow,
[ # right
(self.rect.width, 0), (self.rect.width, self.rect.height),
(self.rect.width - bd, self.rect.height - bd),
(self.rect.width - bd, bd)
])
polygon(
surface,
shadow,
[ # bottom
(self.rect.width, self.rect.height), (0, self.rect.height),
(bd, self.rect.height - bd),
(self.rect.width - bd, self.rect.height - bd)
])
polygon(
surface,
highlight,
[ # left
(0, 0), (bd, bd), (bd, self.rect.height - bd),
(0, self.rect.height)
])
return surface
def get_surface(self):
"""
Returns a Surface to use as this element's background, decorated with whichever effect function
is set on this widget having been applied.
"""
surface = Surface(self.rect.size)
surface.fill(self.current_background_color())
color = Color(*self.current_background_color())
highlight = color.correct_gamma(2)
shadow = color.correct_gamma(0.5)
arc(surface, shadow, self._circle_rect, RADIANS_TOPRIGHT,
RADIANS_BOTTOM_LEFT, self.bevel_depth)
arc(surface, highlight, self._circle_rect, RADIANS_BOTTOM_LEFT,
RADIANS_TOPRIGHT, self.bevel_depth)
if self.selected:
circle(surface, self.dot_color, self._circle_rect.center,
self.dot_radius)
for att in ["disabled", "focused", "hovering"]:
setattr(self._label, att, getattr(self, att))
surface.blit(self._label.get_surface(), self._label_rect.topleft)
return surface
