def do_paint(self):
cogl.push_matrix()
for child in self._children:
if child.props.mapped:
child.paint()
cogl.pop_matrix()
def __paint_triangle (self, color):
cogl.push_matrix()
cogl.set_source_color(color)
width, height = self.get_geometry()[2:]
# Paint a triangle
cogl.path_polygon(0, 0, 0, height, width, height)
cogl.path_fill()
cogl.pop_matrix()
def __paint_triangle(self, color):
cogl.push_matrix()
cogl.set_source_color(color)
width, height = self.get_geometry()[2:]
# Paint a triangle
cogl.path_polygon(0, 0, 0, height, width, height)
cogl.path_fill()
cogl.pop_matrix()
def do_paint(self):
parent = self.get_source()
if parent is None:
return
# get the cogl handle for the parent texture
cogl_tex = parent.get_cogl_texture()
if not cogl_tex:
return
(width, height) = self.get_size()
# clamp the reflection height if needed
r_height = self._reflection_height
if r_height < 0 or r_height > height:
r_height = height
rty = float(r_height / height)
opacity = self.get_paint_opacity()
# the vertices are a 6-tuple composed of:
# x, y, z: coordinates inside Clutter modelview
# tx, ty: texture coordinates
# color: a clutter.Color for the vertex
#
# to paint the reflection of the parent texture we paint
# the texture using four vertices in clockwise order, with
# the upper left and the upper right at full opacity and
# the lower right and lower left and 0 opacity; OpenGL will
# do the gradient for us
color1 = cogl.color_premultiply((1, 1, 1, opacity / 255.0))
color2 = cogl.color_premultiply((1, 1, 1, 0))
vertices = (
(0, 0, 0, 0.0, 1.0, color1),
(width, 0, 0, 1.0, 1.0, color1),
(width, r_height, 0, 1.0, 1.0 - rty, color2),
(0, r_height, 0, 0.0, 1.0 - rty, color2),
)
cogl.push_matrix()
cogl.set_source_texture(cogl_tex)
cogl.polygon(vertices=vertices, use_color=True)
cogl.pop_matrix()
def do_paint(self):
parent = self.get_source()
if (parent is None):
return
# get the cogl handle for the parent texture
cogl_tex = parent.get_cogl_texture()
if not cogl_tex:
return
(width, height) = self.get_size()
# clamp the reflection height if needed
r_height = self._reflection_height
if (r_height < 0 or r_height > height):
r_height = height
rty = float(r_height / height)
opacity = self.get_paint_opacity()
# the vertices are a 6-tuple composed of:
# x, y, z: coordinates inside Clutter modelview
# tx, ty: texture coordinates
# color: a clutter.Color for the vertex
#
# to paint the reflection of the parent texture we paint
# the texture using four vertices in clockwise order, with
# the upper left and the upper right at full opacity and
# the lower right and lower left and 0 opacity; OpenGL will
# do the gradient for us
color1 = cogl.color_premultiply((1, 1, 1, opacity / 255.))
color2 = cogl.color_premultiply((1, 1, 1, 0))
vertices = ( \
( 0, 0, 0, 0.0, 1.0, color1), \
(width, 0, 0, 1.0, 1.0, color1), \
(width, r_height, 0, 1.0, 1.0-rty, color2), \
( 0, r_height, 0, 0.0, 1.0-rty, color2), \
)
cogl.push_matrix()
cogl.set_source_texture(cogl_tex)
cogl.polygon(vertices=vertices, use_color=True)
cogl.pop_matrix()
