def draw_component_icon(box, context, bounding_box):
with cairo_state(context.cairo) as cr:
stroke_color = context.style["color"]
cr.set_line_width(1.0)
icon_height = 20
icon_width = 16
icon_margin_x = 6
ix = bounding_box.width - icon_margin_x - icon_width
icon_margin_y = 12
iy = icon_margin_y
bar_padding = 4
bx = ix - bar_padding
bar_upper_y = iy + bar_padding
bar_lower_y = iy + bar_padding * 3
bar_width = 12
bar_height = 4
cr.set_source_rgba(*stroke_color)
cr.rectangle(bx, bar_lower_y, bar_width, bar_height)
cr.rectangle(bx, bar_upper_y, bar_width, bar_height)
cr.move_to(ix, iy + bar_padding)
cr.line_to(ix, iy)
cr.line_to(ix + icon_width, iy)
cr.line_to(ix + icon_width, iy + icon_height)
cr.line_to(ix, iy + icon_height)
cr.line_to(ix, iy + icon_height - bar_padding)
cr.move_to(ix, iy + bar_padding * 3)
cr.line_to(ix, iy + bar_padding * 2)
cr.stroke()
def draw_artifact_icon(box, context, bounding_box):
cr = context.cairo
w = 15
h = 20
ear = 5
icon_margin_x = 6
icon_margin_y = 12
ix = bounding_box.width - icon_margin_x - w
iy = icon_margin_y
with cairo_state(context.cairo) as cr:
cr.set_line_width(1.0)
cr.move_to(ix + w - ear, iy)
for x, y in (
(ix + w - ear, iy + ear),
(ix + w, iy + ear),
(ix + w - ear, iy),
(ix, iy),
(ix, iy + h),
(ix + w, iy + h),
(ix + w, iy + ear),
):
cr.line_to(x, y)
stroke_color = context.style["color"] or (0, 0, 0, 1)
cr.set_source_rgba(*stroke_color)
cr.stroke()
def _draw_decorating_arrow(self, cr, inverted=False):
with cairo_state(cr):
angle: float = self._arrow_angle
hint = -1
# rotation hint, keep arrow on the same side as message text
# elements
if abs(angle) >= PI_2 and angle != -PI_2:
hint = 1
if inverted:
angle += hint * pi
x, y = self._arrow_pos
# move to arrow pos and rotate, below we operate in horizontal
# mode
cr.translate(x, y)
cr.rotate(angle)
# add some padding
cr.translate(0, 6 * hint)
# draw decorating arrow
d = 15
dr = d - 4
r = 3
cr.set_line_width(1.5)
cr.move_to(-d, 0)
cr.line_to(d, 0)
cr.line_to(dr, r)
cr.move_to(dr, -r)
cr.line_to(d, 0)
cr.stroke()
def draw_lifeline(self, box, context, bounding_box):
"""Draw lifeline.
We always draw the lifeline's head. We only draw the lifeline's
lifetime when the lifetime is visible.
"""
cr = context.cairo
cr.rectangle(0, 0, self.width, self.height)
stroke(context, highlight=True)
if (context.hovered or context.focused or context.dropzone
or self.lifetime.visible):
bottom = self.lifetime.bottom
cr = context.cairo
with cairo_state(cr):
cr.set_dash((7.0, 5.0), 0)
top = self.lifetime.top
cr.move_to(top.pos.x, top.pos.y)
cr.line_to(bottom.pos.x, bottom.pos.y)
stroke(context, highlight=True)
# draw destruction event
if self.is_destroyed:
d1 = 8
d2 = d1 * 2
cr.move_to(bottom.pos.x - d1, bottom.pos.y - d2)
cr.line_to(bottom.pos.x + d1, bottom.pos.y)
cr.move_to(bottom.pos.x - d1, bottom.pos.y)
cr.line_to(bottom.pos.x + d1, bottom.pos.y - d2)
cr.stroke()
def draw_lifeline(self, box, context, bounding_box):
"""
Draw lifeline.
Lifeline's head is always drawn.
Lifeline's lifetime is drawn when lifetime is visible.
"""
cr = context.cairo
cr.rectangle(0, 0, self.width, self.height)
stroke(context)
if context.hovered or context.focused or self.lifetime.visible:
top = self.lifetime.top
bottom = self.lifetime.bottom
cr = context.cairo
with cairo_state(cr):
cr.set_dash((7.0, 5.0), 0)
cr.move_to(top.pos.x, top.pos.y)
cr.line_to(bottom.pos.x, bottom.pos.y)
cr.stroke()
# draw destruction event
if self.is_destroyed:
d1 = 8
d2 = d1 * 2
cr.move_to(bottom.pos.x - d1, bottom.pos.y - d2)
cr.line_to(bottom.pos.x + d1, bottom.pos.y)
cr.move_to(bottom.pos.x - d1, bottom.pos.y)
cr.line_to(bottom.pos.x + d1, bottom.pos.y - d2)
cr.stroke()
def draw_hover(self, bounding_box: Rectangle,
context: DrawContext) -> None:
"""Add dashed line on bottom of swimlanes when hovered."""
if context.hovered or context.dropzone:
cr = context.cairo
with cairo_state(cr):
cr.set_dash((1.0, 5.0), 0)
cr.set_line_width(1.0)
cr.rectangle(0, 0, bounding_box.width, bounding_box.height)
cr.stroke()
def draw(self, context):
super().draw(context)
self._head_end.draw(context)
self._tail_end.draw(context)
if self.show_direction:
with cairo_state(context.cairo) as cr:
cr.translate(*self._dir_pos)
cr.rotate(self._dir_angle)
cr.move_to(0, 0)
cr.line_to(6, 5)
cr.line_to(0, 10)
cr.fill()
def draw_package(box, context, bounding_box):
with cairo_state(context.cairo) as cr:
o = 0.0
h = bounding_box.height
w = bounding_box.width
x = 50
y = 20
cr.move_to(x, y)
cr.line_to(x, o)
cr.line_to(o, o)
cr.line_to(o, h)
cr.line_to(w, h)
cr.line_to(w, y)
cr.line_to(o, y)
stroke(context)
def draw_partition(self, box, context, bounding_box):
"""
By default vertical partition is drawn. It is open on the bottom.
"""
assert self.canvas
cr = context.cairo
cr.set_line_width(context.style["line-width"])
if self.subject and not self.subject.isDimension and self._toplevel:
cr.move_to(0, 0)
cr.line_to(bounding_box.width, 0)
h = self._header_size[1]
# draw outside lines if this item is toplevel partition
if self._toplevel:
cr.move_to(0, bounding_box.height)
cr.line_to(0, h)
cr.line_to(bounding_box.width, h)
cr.line_to(bounding_box.width, bounding_box.height)
if self._subpart:
# header line for all subparitions
hd = h + self._hdmax
cr.move_to(0, hd)
cr.line_to(bounding_box.width, hd)
if self._subpart:
# draw inside lines for all children but last one
dp = 0
for sl in self.canvas.get_children(self)[:-1]:
dp += sl.width
cr.move_to(dp, h)
cr.line_to(dp, bounding_box.height)
stroke(context)
if context.hovered or context.dropzone:
with cairo_state(cr):
cr.set_dash((1.0, 5.0), 0)
cr.set_line_width(1.0)
cr.rectangle(0, 0, bounding_box.width, bounding_box.height)
draw_highlight(context)
cr.stroke()
def draw_component_icon(box, context, bounding_box):
bar_width = 12
bar_height = 4
bar_padding = 4
icon_width = 16
icon_height = 20
icon_margin_x = 6
icon_margin_y = 12
ix = bounding_box.width - icon_margin_x - icon_width
iy = icon_margin_y
with cairo_state(context.cairo) as cr:
fill_color = context.style["background-color"] or (1, 1, 1, 1)
stroke_color = context.style["color"] or (0, 0, 0, 1)
cr.set_line_width(1.0)
cr.rectangle(ix, iy, icon_width, icon_height)
cr.set_source_rgba(*stroke_color)
cr.stroke()
bx = ix - bar_padding
bar_upper_y = iy + bar_padding
bar_lower_y = iy + bar_padding * 3
cr.rectangle(bx, bar_lower_y, bar_width, bar_height)
cr.set_source_rgba(*fill_color)
cr.fill_preserve()
cr.set_source_rgba(*stroke_color)
cr.stroke()
cr.rectangle(bx, bar_upper_y, bar_width, bar_height)
cr.set_source_rgba(*fill_color)
cr.fill_preserve()
cr.set_source_rgba(*stroke_color)
cr.stroke()
