def _draw_line(self, point1, point2):
x1, y1 = point1.x, point1.y
x2, y2 = point2.x, point2.y
if not self.settings.anty_aliasing:
draw_line(
x1, y1, x2, y2, self.settings.color, obj=self,
thickness=self.settings.thickness
)
else:
draw_line_anty_aliasing(
x1, y1, x2, y2, self.settings.color, obj=self,
thickness=self.settings.thickness
)
def draw(self):
x1, y1 = self.points[0].x, self.points[0].y
x2, y2 = self.points[1].x, self.points[1].y
self.widget.canvas.remove_group(str(hash(self)))
if not self.settings.anty_aliasing:
draw_line(
x1, y1, x2, y2, self.settings.color, obj=self,
thickness=self.settings.thickness
)
else:
draw_line_anty_aliasing(
x1, y1, x2, y2, self.settings.color, obj=self,
thickness=self.settings.thickness
)
def re_draw_polygon_inside(
polygon, texture=None, lights=None, viewer=None, min_x=None, min_y=None,
bump_map=None
):
clean_polygon_inside(polygon)
polygon.token_inside = object()
token_obj = polygon.token_inside
color = Color(0, 0, 0)
canvas = polygon.widget.canvas
segments = [
Segment(p1, p2)
for p1, p2 in zip(polygon.points[:-1], polygon.points[1:])
]
segments.append(Segment(polygon.points[-1], polygon.points[0]))
mini = min(point.y for point in polygon.points)
maxi = max(point.y for point in polygon.points)
for i in range(mini, maxi):
actual_line = Segment(SimplePoint(x=0, y=i), SimplePoint(x=1000, y=i))
intersections = [
Segment.intersection(actual_line, segment) for segment in segments
if Segment.is_intersection(actual_line, segment)
]
intersections.sort(key=lambda point: point.x, reverse=True)
if intersections:
for i1, i2 in zip(intersections[::2], intersections[1::2]):
if texture and lights and viewer:
for j in range(int(i2.x), int(i1.x)):
r, g, b = texture.getpixel((j - min_x, i - min_y))
if bump_map:
r1, g1, b1 = bump_map.getpixel((j - min_x, i - min_y))
norm = Vec3d(r1/128.0 - 1, g1/128.0 - 1, b1/128.0 - 1)
else:
norm = None
color = Color(
float(r)/255 *
get_light_phong(j, i, viewer, lights, norm=norm),
float(g)/255 *
get_light_phong(j, i, viewer, lights, norm=norm),
float(b)/255 *
get_light_phong(j, i, viewer, lights, norm=norm)
)
put_pixel(
j, i, color, canvas, str(hash(token_obj))
)
elif texture:
for j in range(int(i2.x), int(i1.x)):
r, g, b = texture.getpixel((j - min_x, i - min_y))
color = Color(float(r)/255, float(g)/255, float(b)/255)
put_pixel(
j, i, color, canvas, str(hash(token_obj))
)
elif lights and viewer:
for j in range(int(i2.x), int(i1.x)):
color = Color(
get_light_phong(j, i, viewer, lights),
get_light_phong(j, i, viewer, lights),
get_light_phong(j, i, viewer, lights)
)
put_pixel(
j, i, color, canvas, str(hash(token_obj))
)
else:
draw_line(
int(i1.x), i, int(i2.x), i, color, obj=token_obj, canvas=canvas
)
