def add_point(self, point, doc_point):
subpoint = bezier_base_point(point)
if self.path[0]:
w = h = config.curve_point_sensitivity_size
start = self.canvas.point_doc_to_win(self.path[0])
if self.points:
p = self.canvas.point_doc_to_win(self.points[-1])
last = bezier_base_point(p)
if is_point_in_rect2(subpoint, start, w,
h) and len(self.points) > 1:
self.path[2] = sk2const.CURVE_CLOSED
if len(point) == 2:
self.points.append([] + self.path[0])
else:
p = doc_point
self.points.append(
[p[0], p[1], [] + self.path[0], p[3]])
if not self.ctrl_mask:
self.release_curve()
else:
self.draw = False
self.on_timer()
elif not is_point_in_rect2(subpoint, last, w, h):
self.points.append(doc_point)
self.path[1] = self.points
else:
if not is_point_in_rect2(subpoint, start, w, h):
self.points.append(doc_point)
self.path[1] = self.points
else:
self.path[0] = doc_point
self.paths.append(self.path)
def add_point(self, point, doc_point): subpoint = bezier_base_point(point) if self.path[0]: w = h = config.curve_point_sensitivity_size start = self.canvas.point_doc_to_win(self.path[0]) if self.points: p = self.canvas.point_doc_to_win(self.points[-1]) last = bezier_base_point(p) if is_point_in_rect2(subpoint, start, w, h) and len(self.points) > 1: self.path[2] = const.CURVE_CLOSED if len(point) == 2: self.points.append([] + self.path[0]) else: p = doc_point self.points.append([p[0], p[1], [] + self.path[0], p[3]]) if not self.ctrl_mask: self.release_curve() else: self.draw = False self.repaint() elif not is_point_in_rect2(subpoint, last, w, h): self.points.append(doc_point) self.path[1] = self.points else: if not is_point_in_rect2(subpoint, start, w, h): self.points.append(doc_point) self.path[1] = self.points else: self.path[0] = doc_point self.paths.append(self.path)
def paint_curve(self, paths, cursor=None, trace_path=None, cpoint=None):
cursor = cursor or []
trace_path = trace_path or []
cpoint = cpoint or []
self.start_soft_repaint()
if paths:
for path in paths:
self.ctx.set_source_rgb(*config.curve_stroke_color)
self.ctx.set_line_width(config.curve_stroke_width)
self.ctx.move_to(*path[0])
points = path[1]
for point in points:
if len(point) == 2:
self.ctx.line_to(*point)
else:
x0, y0 = point[0]
x1, y1 = point[1]
x2, y2 = point[2]
self.ctx.curve_to(x0, y0, x1, y1, x2, y2)
if path[2]:
self.ctx.close_path()
self.ctx.stroke()
# Start point rendering
w = h = config.curve_point_sensitivity_size
if cursor and libgeom.is_point_in_rect2(cursor, path[0], w, h):
self.draw_curve_point(path[0], 'active_point')
else:
self.draw_curve_point(path[0], 'start_point')
for point in points:
self.draw_curve_point(point, 'curve_point')
if points:
self.draw_curve_point(points[-1], 'last_point')
if cursor:
self.ctx.set_source_rgb(*config.curve_trace_color)
self.ctx.set_line_width(config.curve_stroke_width)
if trace_path:
self.ctx.move_to(*trace_path[0])
point = trace_path[1]
x0, y0 = point[0]
x1, y1 = point[1]
x2, y2 = point[2]
self.ctx.curve_to(x0, y0, x1, y1, x2, y2)
self.ctx.stroke()
if cpoint:
self.ctx.set_source_rgb(*config.control_line_stroke_color)
self.ctx.set_line_width(config.control_line_stroke_width)
self.ctx.set_dash(config.control_line_stroke_dash)
self.ctx.move_to(*trace_path[0])
self.ctx.line_to(x0, y0)
self.ctx.stroke()
self.ctx.move_to(x2, y2)
self.ctx.line_to(x1, y1)
self.ctx.stroke()
self.ctx.move_to(x2, y2)
self.ctx.line_to(*cpoint)
self.ctx.stroke()
self.ctx.set_dash([])
for point in [[x0, y0], [x1, y1], cpoint]:
self.draw_curve_point(point, 'control_point')
self.draw_curve_point([x2, y2], 'curve_point')
else:
if paths[-1][1]:
end_point = paths[-1][1][-1]
if len(end_point) == 2:
self.ctx.move_to(*end_point)
else:
self.ctx.move_to(*end_point[2])
else:
self.ctx.move_to(*paths[-1][0])
self.ctx.line_to(*cursor)
self.ctx.stroke()
self.end_soft_repaint()