def draw(self, cr, highlight_items=None):
if highlight_items is None:
highlight_items = ()
cr.set_source_rgba(0.0, 0.0, 0.0, 1.0)
cr.set_line_cap(cairo.LINE_CAP_BUTT)
cr.set_line_join(cairo.LINE_JOIN_MITER)
for shape in self.shapes:
shape.draw(cr)
for edge in self.edges:
edge.draw(cr, highlight=(edge in highlight_items))
for node in self.nodes:
node.draw(cr, highlight=(node in highlight_items))
python类LINE_CAP_BUTT的实例源码
def draw(self, cr, highlight_items=None):
if highlight_items is None:
highlight_items = ()
cr.set_source_rgba(0.0, 0.0, 0.0, 1.0)
cr.set_line_cap(cairo.LINE_CAP_BUTT)
cr.set_line_join(cairo.LINE_JOIN_MITER)
for shape in self.shapes:
shape.draw(cr)
for edge in self.edges:
edge.draw(cr, highlight=(edge in highlight_items))
for node in self.nodes:
node.draw(cr, highlight=(node in highlight_items))
def draw(self, cr, highlight_items=None):
if highlight_items is None:
highlight_items = ()
cr.set_source_rgba(0.0, 0.0, 0.0, 1.0)
cr.set_line_cap(cairo.LINE_CAP_BUTT)
cr.set_line_join(cairo.LINE_JOIN_MITER)
for shape in self.shapes:
shape.draw(cr)
for edge in self.edges:
edge.draw(cr, highlight=(edge in highlight_items))
for node in self.nodes:
node.draw(cr, highlight=(node in highlight_items))
def draw(self, cr, highlight_items=None):
if highlight_items is None:
highlight_items = ()
cr.set_source_rgba(0.0, 0.0, 0.0, 1.0)
cr.set_line_cap(cairo.LINE_CAP_BUTT)
cr.set_line_join(cairo.LINE_JOIN_MITER)
for shape in self.shapes:
shape.draw(cr)
for edge in self.edges:
edge.draw(cr, highlight=(edge in highlight_items))
for node in self.nodes:
node.draw(cr, highlight=(node in highlight_items))
def draw(self, cr, highlight_items=None):
if highlight_items is None:
highlight_items = ()
cr.set_source_rgba(0.0, 0.0, 0.0, 1.0)
cr.set_line_cap(cairo.LINE_CAP_BUTT)
cr.set_line_join(cairo.LINE_JOIN_MITER)
for shape in self.shapes:
shape.draw(cr)
for edge in self.edges:
edge.draw(cr, highlight=(edge in highlight_items))
for node in self.nodes:
node.draw(cr, highlight=(node in highlight_items))
def draw(self, cr, highlight_items=None):
if highlight_items is None:
highlight_items = ()
cr.set_source_rgba(0.0, 0.0, 0.0, 1.0)
cr.set_line_cap(cairo.LINE_CAP_BUTT)
cr.set_line_join(cairo.LINE_JOIN_MITER)
for shape in self.shapes:
shape.draw(cr)
for edge in self.edges:
edge.draw(cr, highlight=(edge in highlight_items))
for node in self.nodes:
node.draw(cr, highlight=(node in highlight_items))
def crosshair(ctx, x, y, length, color=None):
if not color:
color = (1, 0, 0)
ctx.save()
ctx.set_source_rgb(*color)
ctx.set_line_width(2.0)
ctx.set_line_cap(cairo.LINE_CAP_BUTT)
ctx.new_path()
ctx.move_to(x, y + length)
ctx.line_to(x, y - length)
ctx.move_to(x + length, y)
ctx.line_to(x - length, y)
ctx.stroke()
ctx.restore()
