def draw_arrow_w_text_middle(scene: Plot, start: tuple, point1: tuple,
point2: tuple, end: tuple, height: int,
arrowsize: int, is_curved: bool, text: str,
font_size: int, font_family: str, over: bool,
color: tuple):
"""
# Store the appropriate function ouside of the loop
if is_curved:
shape = [Path.MOVETO, Path.CURVE4, Path.CURVE4, Path.CURVE4]
else:
shape = [Path.MOVETO, Path.LINETO, Path.LINETO, Path.LINETO]
# This should work, but matplotlib is not ready yet: FancyArrowPatch(path=Path([start, point1, point2, end],
s hape)
scene.add_patch(PathPatch(Path([start, point1, point2, end], shape),
edgecolor='#{0:02x}{1:02x}{2:02x}'.format(*color),
facecolor=(1, 1, 1, 0), # Transparent...
linewidth=1)) # TODO Line width!
"""
if is_curved: # cubic Bezier curve
glyph = Bezier(x0=start[0],
y0=start[1],
x1=end[0],
y1=end[1],
cx0=point1[0],
line_color='#{0:02x}{1:02x}{2:02x}'.format(*color),
cy0=point1[1],
cx1=point2[0],
cy1=point2[1],
line_width=1)
scene.add_glyph(glyph)
else:
source = ColumnDataSource(
dict(x=[start[0], end[0]], y=[start[1], end[1]]))
glyph = Line(x="x",
y="y",
line_width=1,
line_color='#{0:02x}{1:02x}{2:02x}'.format(*color))
scene.add_glyph(source, glyph)
# Draw arrow
scene.line([end[0] - arrowsize, end[0], end[0] + arrowsize],
[end[1] - arrowsize, end[1], end[1] - arrowsize],
line_color='#{0:02x}{1:02x}{2:02x}'.format(*color))
direction = 1
if over:
direction = -1
# Write label in the middle under
labelx = min(start[0], point2[0]) + abs(start[0] - point2[0]) // 2
labely = height + direction * font_size # TODO: Should be font height!
source = ColumnDataSource(dict(x=[labelx], y=[labely], text=[text]))
glyph = Text(x="x",
y="y",
text="text",
text_align="center",
text_color='#{0:02x}{1:02x}{2:02x}'.format(*color),
text_font_size=str(font_size) + "pt",
text_font=font_family)
# TODO: Here was TextToken (must align to left)
scene.add_glyph(source, glyph)
