def render(self, origin: bimpy.Vec2, scale: float):
line_col = im_col32(255, 255, 255)
half_plane_col = im_col32(180, 238, 180, 50)
line_col_highlight = im_col32(0, 69, 255)
half_plane_col_highlight = im_col32(0, 140, 255, 50)
if not self._lines:
return
for index, line in enumerate(self._lines):
# print(line)
if index == self._highlight_line_index:
continue
if index == self._waitting_draw_line_index:
continue
render_line(line, origin, scale, self._axis_limit, line_col,
half_plane_col)
if self._highlight_line_index is not None and self._highlight_line_index != self._waitting_draw_line_index:
render_line(
self._lines[self._highlight_line_index],
origin,
scale,
self._axis_limit,
line_col_highlight,
half_plane_col_highlight,
)
def render(self, origin: bimpy.Vec2, scale: float):
if not self.if_is_drawing():
# print('not drawing')
return
if self._waitting_draw_line_abc is None or not self._waitting_draw_line_abc.is_valid(
):
# print('line is None or not valid {}'.format(self._waitting_draw_line_abc))
return
render_line(
self._waitting_draw_line_abc,
origin,
scale,
100,
im_col32(0, 69, 255),
im_col32(0, 140, 255, 50),
)
def render(self, origin: bimpy.Vec2, scale: float):
if not self._convex_points:
return
points_on_canvas = [
bimpy.Vec2(item.x * scale + origin.x, item.y * -scale + origin.y)
for item in self._convex_points
]
bimpy.add_convex_poly_filled(points_on_canvas, im_col32(50, 50, 50))
def render(self, origin: bimpy.Vec2, scale: float):
points_on_canvas = [
bimpy.Vec2(item.x * scale + origin.x,
item.y * -scale + origin.y)
for item in self._convex_points
]
for index in range(len(points_on_canvas) - 1):
bimpy.add_line(
points_on_canvas[index],
points_on_canvas[index + 1],
im_col32(211, 85, 186),
1.0,
)
for index in range(len(points_on_canvas)):
bimpy.add_circle_filled(
points_on_canvas[index],
2.0,
im_col32(204, 50, 153),
16,
)
def render(self):
bimpy.set_next_window_pos(bimpy.Vec2(40, 30), bimpy.Condition.FirstUseEver)
bimpy.set_next_window_size(bimpy.Vec2(681, 700), bimpy.Condition.FirstUseEver)
if not bimpy.begin('canvas window##canvas'):
bimpy.end()
return
if not bimpy.begin_child('canvas##canvas', border=False):
bimpy.end_child()
return
canvas_pos = bimpy.get_cursor_screen_pos()
canvas_size = bimpy.get_content_region_avail()
bimpy.invisible_button('canvas button##canvas', canvas_size)
# mouse wheel scroll zoom
if bimpy.is_item_hovered():
mouse_wheel_delta = bimpy.get_mouse_wheel_delta()
if mouse_wheel_delta < 0:
self._canvas_scale_ratio = min(self._canvas_scale_ratio + self._canvas_scale_ratio_delta,
self._canvas_scale_ratio_max)
if mouse_wheel_delta > 0:
self._canvas_scale_ratio = max(self._canvas_scale_ratio - self._canvas_scale_ratio_delta,
self._canvas_scale_ratio_min)
shift_ratio = 0.5 * (self._canvas_scale_ratio - 1) / self._canvas_scale_ratio
origin = bimpy.Vec2(
canvas_pos.x + canvas_size.x * shift_ratio,
canvas_pos.y + canvas_size.y * (1 - shift_ratio)
)
scale = min(canvas_size.x, canvas_size.y) / self._canvas_scale_ratio
mouse_pos = bimpy.get_mouse_pos()
relative_pos = Point(
(mouse_pos.x - origin.x) / scale,
(mouse_pos.y - origin.y) / -scale,
)
# user line draw
if self.user_line_draw_component.if_is_drawing():
# print('is_drawing')
if bimpy.is_item_hovered():
if not self._drawing_start and bimpy.is_mouse_clicked(0, False):
self._drawing_start = True
self.user_line_draw_component.set_drawing_start_point(relative_pos)
if self._drawing_start:
mouse_down = bimpy.is_mouse_down(0)
self._drawing_start = mouse_down
self.user_line_draw_component.set_drawing_end_point(relative_pos, not mouse_down)
# user convex draw
if self.user_convex_draw_component.if_is_drawing():
if bimpy.is_item_hovered():
if bimpy.is_mouse_double_clicked(0):
self.user_convex_draw_component.set_user_done()
elif bimpy.is_mouse_clicked(0, False):
self.user_convex_draw_component.set_user_add_point(relative_pos)
if bimpy.is_mouse_double_clicked(1):
self.user_convex_draw_component.set_user_cancel()
elif bimpy.is_mouse_clicked(1, False):
self.user_convex_draw_component.set_user_pop_point()
# draw background
bimpy.add_rect_filled(
canvas_pos,
bimpy.Vec2(canvas_pos.x + canvas_size.x, canvas_size.y + canvas_size.y),
im_col32(200, 200, 200),
)
bimpy.add_rect(
bimpy.Vec2(origin.x, -scale + origin.y),
bimpy.Vec2(scale + origin.x, origin.y),
im_col32(0, 0, 0),
)
# draw others
if self.user_convex_draw_component.if_is_drawing():
self.user_convex_draw_component.render(origin, scale)
else:
self.convex_draw_component.render(origin, scale)
self.lines_draw_component.render(origin, scale)
self.user_line_draw_component.render(origin, scale)
# show mouse pos
if bimpy.is_mouse_pos_valid(None) and bimpy.is_item_hovered():
bimpy.add_text_simple(
bimpy.Vec2(canvas_pos.x + 15, canvas_pos.y + 10),
im_col32(0, 0, 0),
'x: {:.6f} y: {:.6f}'.format(relative_pos.x, relative_pos.y),
)
# show drawing state
if self.user_line_draw_component.if_is_drawing():
bimpy.add_text_simple(
bimpy.Vec2(canvas_pos.x + 15, canvas_pos.y + 30),
im_col32(0, 0, 0),
'drawing line {}'.format(self.user_line_draw_component.get_waitting_draw_line_index()),
)
bimpy.end_child()
bimpy.end()