def mouse_up(self, event):
if not self.draw:
return
self.create = False
self.set_key_mask(event)
self.control_point2, self.control_point2_doc = self._calc_points(event)
self.cursor = [] + self.control_point2
if self.path[0]:
if self.alt_mask:
self.point, self.point_doc = self._calc_points(event)
self.add_point([] + self.point, [] + self.point_doc)
self.control_point0 = [] + self.point
self.cursor = event.get_point()
self.curve_point = [] + self.point
elif self.control_point2:
self.point = [] + self.curve_point
self.point_doc = [] + self.curve_point_doc
self.control_point1 = contra_point(self.control_point2,
self.curve_point)
self.control_point1_doc = contra_point(self.control_point2_doc,
self.curve_point_doc)
node_type = sk2const.NODE_SYMMETRICAL
if len(self.points):
bp_doc = bezier_base_point(self.points[-1])
else:
bp_doc = self.path[0]
if self.control_point0_doc == bp_doc and \
self.control_point1_doc == self.curve_point_doc:
node_type = sk2const.NODE_CUSP
p0d = midpoint(bp_doc, self.curve_point_doc, 1.0 / 3.0)
self.control_point0_doc = p0d
p1d = midpoint(bp_doc, self.curve_point_doc, 2.0 / 3.0)
self.control_point1_doc = p1d
self.control_point0 = self.canvas.doc_to_win(p0d)
self.control_point1 = self.canvas.doc_to_win(p1d)
self.add_point([
self.control_point0, self.control_point1, self.curve_point,
node_type
], [
self.control_point0_doc, self.control_point1_doc,
self.curve_point_doc, node_type
])
self.control_point0 = [] + self.control_point2
self.control_point0_doc = [] + self.control_point2_doc
snapped = self._calc_points(event)
self.cursor = [] + snapped[0]
self.curve_point, self.curve_point_doc = snapped
else:
self.point, self.point_doc = self._calc_points(event)
self.add_point(self.point, self.point_doc)
self.control_point0 = [] + self.point
self.control_point0_doc = [] + self.point_doc
self.on_timer()
def mouse_up(self, event): if self.draw: self.create = False self.ctrl_mask = False self.alt_mask = False p = event.get_point() self.control_point2, self.control_point2_doc = self.snap.snap_point(p)[1:] self.ctrl_mask = event.is_ctrl() self.alt_mask = event.is_alt() if self.path[0]: if self.alt_mask: p = event.get_point() self.point, self.point_doc = self.snap.snap_point(p)[1:] self.add_point([] + self.point, [] + self.point_doc) self.control_point0 = [] + self.point self.cursor = event.get_point() self.curve_point = [] + self.point elif self.control_point2: self.point = [] + self.curve_point self.point_doc = [] + self.curve_point_doc self.control_point1 = contra_point(self.control_point2, self.curve_point) self.control_point1_doc = contra_point(self.control_point2_doc, self.curve_point_doc) node_type = const.NODE_SYMMETRICAL if len(self.points): bp_doc = bezier_base_point(self.points[-1]) else: bp_doc = self.path[0] if self.control_point0_doc == bp_doc and \ self.control_point1_doc == self.curve_point_doc: node_type = const.NODE_CUSP self.control_point0_doc = midpoint(bp_doc, self.curve_point_doc, 1.0 / 3.0) self.control_point1_doc = midpoint(bp_doc, self.curve_point_doc, 2.0 / 3.0) self.control_point0 = self.canvas.doc_to_win(self.control_point0_doc) self.control_point1 = self.canvas.doc_to_win(self.control_point1_doc) self.add_point([self.control_point0, self.control_point1, self.curve_point, node_type], [self.control_point0_doc, self.control_point1_doc, self.curve_point_doc, node_type]) self.control_point0 = [] + self.control_point2 self.control_point0_doc = [] + self.control_point2_doc p = event.get_point() self.cursor = [] + p self.curve_point, self.curve_point_doc = self.snap.snap_point(p)[1:] else: p = event.get_point() self.point, self.point_doc = self.snap.snap_point(p)[1:] self.add_point(self.point, self.point_doc) self.control_point0 = [] + self.point self.control_point0_doc = [] + self.point_doc self.on_timer()
def _ellipse(self, element):
center, chunk = self.read_point(element.params)
cdp1, chunk = self.read_point(chunk)
cdp2, chunk = self.read_point(chunk)
cdp3 = libgeom.contra_point(cdp1, center)
cdp4 = libgeom.contra_point(cdp2, center)
bbox = libgeom.sum_bbox(cdp1 + cdp2, cdp3 + cdp4)
bbox = libgeom.apply_trafo_to_bbox(bbox, self.get_trafo())
rect = libgeom.bbox_to_rect(bbox)
circle = sk2_model.Circle(self.layer.config, self.layer, rect,
style=self.get_style(fill=True))
self.layer.childs.append(circle)
def repaint_draw(self):
if self.path[0] or self.paths:
paths = self.canvas.paths_doc_to_win(self.paths)
cursor = self.cursor
if not self.path[0]:
cursor = []
elif cursor and not self.create:
snapped = self.snap.snap_point(cursor)[1:]
self.curve_point, self.curve_point_doc = snapped
path = []
if self.control_point0:
if not self.control_point2_doc:
return True
self.control_point1_doc = contra_point(self.control_point2_doc,
self.curve_point_doc)
path = [
self.point_doc,
[
self.control_point0_doc, self.control_point1_doc,
self.curve_point_doc
], 0
]
path = self.canvas.paths_doc_to_win([
path,
])[0]
cpoint = []
if self.create:
cpoint = self.canvas.doc_to_win(self.control_point2_doc)
self.canvas.renderer.paint_curve(paths, cursor, path, cpoint)
return True
def mouse_up(self, event):
if event.button == LEFT_BUTTON and self.draw:
self.create = False
self.ctrl_mask = False
self.alt_mask = False
p = [event.x, event.y]
flag, self.control_point2, self.control_point2_doc = self.snap.snap_point(
p)
if event.state & gtk.gdk.CONTROL_MASK: self.ctrl_mask = True
if event.state & gtk.gdk.MOD1_MASK: self.alt_mask = True
if self.path[0]:
if self.alt_mask:
p = [event.x, event.y]
flag, self.point, self.point_doc = self.snap.snap_point(p)
self.add_point([] + self.point, [] + self.point_doc)
self.control_point0 = [] + self.point
self.cursor = [event.x, event.y]
self.curve_point = [] + self.point
elif self.control_point2:
self.point = [] + self.curve_point
self.point_doc = [] + self.curve_point_doc
self.control_point1 = contra_point(self.control_point2,
self.curve_point)
self.control_point1_doc = contra_point(
self.control_point2_doc, self.curve_point_doc)
self.add_point([
self.control_point0, self.control_point1,
self.curve_point, const.NODE_SYMMETRICAL
], [
self.control_point0_doc, self.control_point1_doc,
self.curve_point_doc, const.NODE_SYMMETRICAL
])
self.control_point0 = [] + self.control_point2
self.control_point0_doc = [] + self.control_point2_doc
p = [event.x, event.y]
self.cursor = [] + p
flag, self.curve_point, self.curve_point_doc = self.snap.snap_point(
p)
else:
p = [event.x, event.y]
flag, self.point, self.point_doc = self.snap.snap_point(p)
self.add_point(self.point, self.point_doc)
self.control_point0 = [] + self.point
self.control_point0_doc = [] + self.point_doc
self.repaint()
def mouse_up(self, event): if event.button == LEFT_BUTTON and self.draw: self.create = False self.ctrl_mask = False self.alt_mask = False p = [event.x, event.y] flag, self.control_point2, self.control_point2_doc = self.snap.snap_point(p) if event.state & gtk.gdk.CONTROL_MASK: self.ctrl_mask = True if event.state & gtk.gdk.MOD1_MASK : self.alt_mask = True if self.path[0]: if self.alt_mask: p = [event.x, event.y] flag, self.point, self.point_doc = self.snap.snap_point(p) self.add_point([] + self.point, [] + self.point_doc) self.control_point0 = [] + self.point self.cursor = [event.x, event.y] self.curve_point = [] + self.point elif self.control_point2: self.point = [] + self.curve_point self.point_doc = [] + self.curve_point_doc self.control_point1 = contra_point(self.control_point2, self.curve_point) self.control_point1_doc = contra_point(self.control_point2_doc, self.curve_point_doc) self.add_point([self.control_point0, self.control_point1, self.curve_point, const.NODE_SYMMETRICAL], [self.control_point0_doc, self.control_point1_doc, self.curve_point_doc, const.NODE_SYMMETRICAL]) self.control_point0 = [] + self.control_point2 self.control_point0_doc = [] + self.control_point2_doc p = [event.x, event.y] self.cursor = [] + p flag, self.curve_point, self.curve_point_doc = self.snap.snap_point(p) else: p = [event.x, event.y] flag, self.point, self.point_doc = self.snap.snap_point(p) self.add_point(self.point, self.point_doc) self.control_point0 = [] + self.point self.control_point0_doc = [] + self.point_doc self.repaint()
def repaint(self): if self.path[0] or self.paths: paths = self.canvas.paths_doc_to_win(self.paths) cursor = self.cursor if not self.path[0]: cursor = [] path = [] if self.control_point0: self.control_point1 = contra_point(self.control_point2, self.curve_point) path = [self.point, [self.control_point0, self.control_point1, self.curve_point]] cpoint = [] if self.create: cpoint = self.control_point2 self.canvas.renderer.paint_curve(paths, cursor, path, cpoint) return True
def repaint_draw(self): if self.path[0] or self.paths: paths = self.canvas.paths_doc_to_win(self.paths) cursor = self.cursor if not self.path[0]: cursor = [] path = [] if self.control_point0: self.control_point1 = contra_point(self.control_point2, self.curve_point) path = [self.point, [self.control_point0, self.control_point1, self.curve_point]] cpoint = [] if self.create: cpoint = self.control_point2 self.canvas.renderer.paint_curve(paths, cursor, path, cpoint) return True
def update_connection(self):
after = self.get_point_after()
before = self.get_point_before()
if self.path.is_closed():
if self.path.points[0] == self:
before = self.path.points[-1]
if not after and self.is_end():
after = self.path.points[0]
if after and after.is_curve():
if self.is_symmetrical():
after.point[0] = libgeom.contra_point(self.point[1],
self.point[2])
if self.is_smooth() and self.is_curve():
after.point[0] = libgeom.contra_point(self.point[1],
self.point[2],
after.point[0])
elif after and not after.is_curve():
if self.is_smooth() and self.is_curve():
lenght = libgeom.distance(self.point[2], after.point)
if lenght:
self.point[1] = libgeom.contra_point(after.point,
self.point[2],
self.point[1])
if before and before.is_curve():
if before.is_symmetrical():
before.point[1] = libgeom.contra_point(self.point[0],
before.point[2])
if before.is_smooth() and self.is_curve():
before.point[1] = libgeom.contra_point(self.point[0],
before.point[2],
before.point[1])
elif before and not before.is_curve():
if self.is_opp_smooth():
p = before.get_point_before()
if p:
p = p.get_base_point()
lenght = libgeom.distance(p, before.point)
if lenght:
self.point[0] = libgeom.contra_point(p,
before.point,
self.point[0])
def update_connection(self): after = self.get_point_after() before = self.get_point_before() if self.path.is_closed(): if self.path.points[0] == self: before = self.path.points[-1] if not after and self.is_end(): after = self.path.points[0] if after and after.is_curve(): if self.is_symmetrical(): after.point[0] = libgeom.contra_point(self.point[1], self.point[2]) if self.is_smooth() and self.is_curve(): after.point[0] = libgeom.contra_point(self.point[1], self.point[2], after.point[0]) elif after and not after.is_curve(): if self.is_smooth() and self.is_curve(): l = libgeom.distance(self.point[2], after.point) if l: self.point[1] = libgeom.contra_point(after.point, self.point[2], self.point[1]) if before and before.is_curve(): if before.is_symmetrical(): before.point[1] = libgeom.contra_point(self.point[0], before.point[2]) if before.is_smooth() and self.is_curve(): before.point[1] = libgeom.contra_point(self.point[0], before.point[2], before.point[1]) elif before and not before.is_curve(): if self.is_opp_smooth(): p = before.get_point_before() if p: p = p.get_base_point() l = libgeom.distance(p, before.point) if l: self.point[0] = libgeom.contra_point(p, before.point, self.point[0])
def xspline2path(self, pts, cpts, closed=False):
marker = sk2const.NODE_SMOOTH
points = []
pts = pts[:]
cpts = cpts[:]
if closed:
last = pts[-1]
pts.append(pts[0])
cpts.append(cpts[0])
else:
last = libgeom.contra_point(pts[1], pts[0])
ipt = libgeom.contra_point(pts[-2], pts[-1])
pts.append(ipt)
cpts.append(0.0)
for idx, cpt in enumerate(cpts[0:-1], 0):
cur = pts[idx][:]
foll = pts[idx + 1]
if cpt == 0.0:
# 'angular point'
if not points:
points.append(cur)
else:
points.append([c1, cur[:], cur[:], marker])
c1 = cur[:]
elif cpt < 0.0:
# 'interpolation point'
coef = 0.5 * abs(cpt)
c2, c1n = figlib.ctrl_points(last, cur, foll, coef)
if not points:
points.append(cur)
else:
points.append([c1, c2, cur, marker])
c1 = c1n
else:
# 'approximated point'
coef = 1.0 - F13 + F13 * (1.0 - cpt)
mp = libgeom.midpoint(last, foll)
node = libgeom.midpoint(mp, cur, coef)
if not points:
points.append(node)
else:
c2 = libgeom.midpoint(last, cur, coef)
points.append([c1, c2, node, marker])
c1 = libgeom.midpoint(foll, cur, coef)
last = cur
if closed:
cpt = cpts[-1]
cur = pts[-1]
foll = pts[1]
if cpt == 0.0:
points.append([c1, cur[:], cur[:], marker])
elif cpt < 0.0:
coef = 0.5 * abs(cpt)
c2, c1n = figlib.ctrl_points(last, cur, foll, coef)
points.append([c1, c2, cur, marker])
else:
coef = 1.0 - F13 + F13 * (1.0 - cpt)
mp = libgeom.midpoint(last, foll)
node = libgeom.midpoint(mp, cur, coef)
c2 = libgeom.midpoint(last, cur, coef)
points.append([c1, c2, node, marker])
return points
