def is_point_on_path(self, win_point, path):
self.clear()
trafo = self.get_context_trafo(win_point)
self.ctx.set_matrix(libcairo.get_matrix_from_trafo(trafo))
stroke_width = config.stroke_sensitive_size
stroke_width /= trafo[0]
cpath = libgeom.create_cpath([path, ])
self.ctx.new_path()
self.ctx.append_path(cpath)
self.ctx.set_line_width(stroke_width)
self.ctx.stroke()
return not libcairo.check_surface_whiteness(self.surface)
def is_point_on_path(self, win_point, path):
self.clear()
trafo = self.get_context_trafo(win_point)
self.ctx.set_matrix(libcairo.get_matrix_from_trafo(trafo))
stroke_width = config.stroke_sensitive_size
stroke_width /= trafo[0]
cpath = libgeom.create_cpath([path])
self.ctx.new_path()
self.ctx.append_path(cpath)
self.ctx.set_line_width(stroke_width)
self.ctx.stroke()
return not libcairo.check_surface_whiteness(self.surface)
def check_point(self, point): self.clear() self.set_trafo(point) if self.cpaths is None: self.cpaths = self.obj.get_cpaths() self.ctx.set_fill_rule(self.fill_rule) self.ctx.new_path() self.ctx.append_path(self.cpaths) self.ctx.fill() self.ctx.set_line_width(2.0) self.ctx.new_path() self.ctx.append_path(self.cpaths) self.ctx.stroke() return not libcairo.check_surface_whiteness(self.surface)
def check_point(self, point):
self.clear()
self.set_trafo(point)
if self.cpaths is None: self.cpaths = self.obj.get_cpaths()
self.ctx.set_fill_rule(self.fill_rule)
self.ctx.new_path()
self.ctx.append_path(self.cpaths)
self.ctx.fill()
self.ctx.set_line_width(2.0)
self.ctx.new_path()
self.ctx.append_path(self.cpaths)
self.ctx.stroke()
return not libcairo.check_surface_whiteness(self.surface)
def is_point_on_segment(self, win_point, start_point, end_point):
self.clear()
trafo = self.get_context_trafo(win_point)
self.ctx.set_matrix(libcairo.get_matrix_from_trafo(trafo))
stroke_width = config.stroke_sensitive_size
stroke_width /= trafo[0]
if len(start_point) > 2: start_point = start_point[2]
self.ctx.move_to(*start_point)
if len(end_point) == 2:
self.ctx.line_to(*end_point)
else:
p1, p2, p3 = end_point[:-1]
self.ctx.curve_to(*(p1 + p2 + p3))
self.ctx.set_line_width(stroke_width)
self.ctx.stroke()
return not libcairo.check_surface_whiteness(self.surface)
def check_point(self, point): self.clear() self.set_trafo(point) if self.cpaths is None: self.cpaths = self.obj.get_cpaths() line_width = self.stroke_style[1] self.ctx.set_line_width(line_width - .04) dash = [] for item in self.stroke_style[3]: dash.append(item * line_width) self.ctx.set_dash(dash) self.ctx.set_line_cap(CAPS[self.stroke_style[4]]) self.ctx.set_line_join(JOINS[self.stroke_style[5]]) self.ctx.set_miter_limit(self.stroke_style[6]) self.ctx.new_path() self.ctx.append_path(self.cpaths) self.ctx.stroke() return not libcairo.check_surface_whiteness(self.surface)
def check_point(self, point):
self.clear()
self.set_trafo(point)
if self.cpaths is None: self.cpaths = self.obj.get_cpaths()
line_width = self.stroke_style[1]
self.ctx.set_line_width(line_width - .04)
dash = []
for item in self.stroke_style[3]:
dash.append(item * line_width)
self.ctx.set_dash(dash)
self.ctx.set_line_cap(CAPS[self.stroke_style[4]])
self.ctx.set_line_join(JOINS[self.stroke_style[5]])
self.ctx.set_miter_limit(self.stroke_style[6])
self.ctx.new_path()
self.ctx.append_path(self.cpaths)
self.ctx.stroke()
return not libcairo.check_surface_whiteness(self.surface)
def is_point_on_segment(self, win_point, start_point, end_point):
self.clear()
trafo = self.get_context_trafo(win_point)
self.ctx.set_matrix(libcairo.get_matrix_from_trafo(trafo))
stroke_width = config.stroke_sensitive_size
stroke_width /= trafo[0]
if len(start_point) > 2:
start_point = start_point[2]
self.ctx.move_to(*start_point)
if len(end_point) == 2:
self.ctx.line_to(*end_point)
else:
p1, p2, p3 = end_point[:-1]
self.ctx.curve_to(*(p1 + p2 + p3))
self.ctx.set_line_width(stroke_width)
self.ctx.stroke()
return not libcairo.check_surface_whiteness(self.surface)
def is_point_into_object(self, win_point, obj, fill_anyway=False):
self.clear()
self._draw_object(obj, self.get_context_trafo(win_point), fill_anyway)
return not libcairo.check_surface_whiteness(self.surface)
def is_point_into_object(self, win_point, obj):
self.clear()
self._draw_object(obj, self.get_context_trafo(win_point))
return not libcairo.check_surface_whiteness(self.surface)
