def draw(self, can=None):
if can == None:
can = canvas.default_canvas()
x = self.loc[0]
y = self.loc[1]
text_width = font.text_width(self.text)
text_height = font.text_height(self.text)[0]
(halign, valign, angle) = font.get_align(self.text)
if self.line_style or self.fill_style:
width = text_width + self.left_fudge + self.right_fudge
height = text_height + self.bottom_fudge + self.top_fudge
can.round_rectangle(self.line_style, self.fill_style,
x - self.left_fudge, y - self.bottom_fudge,
x - self.left_fudge + width,
y - self.bottom_fudge + height, self.radius,
self.shadow)
if halign == 'L':
can.show(x, y, self.text)
elif halign == 'C':
can.show(x + text_width / 2.0, y, self.text)
elif halign == 'R':
can.show(x + text_width, y, self.text)
else:
raise Exception, "Unsupported alignment (" + halign + ")"
# draw arrows
for t in self._arrows:
(tipLoc, tail, arrow) = t
if tail:
(x, y, width, height) = self.get_dimension()
origin = [x, y]
for ch in tail:
if ch == 'l':
origin[0] = x
elif ch == 'c':
origin[0] = x + width / 2.0
elif ch == 'r':
origin[0] = x + width
elif ch == 'b':
origin[1] = y
elif ch == 'm':
origin[1] = y + height / 2.0
elif ch == 't':
origin[1] = y + height
else:
raise ValueError, tail + ": unknown tail location spec."
else:
origin = self.choose_end_point(tipLoc[0], tipLoc[1])
arrow.draw((origin, tipLoc), can)
def draw(self, can = None):
if can == None:
can = canvas.default_canvas()
x = self.loc[0]
y = self.loc[1]
text_width = font.text_width(self.text)
text_height = font.text_height(self.text)[0]
(halign, valign, angle) = font.get_align(self.text)
if self.line_style or self.fill_style:
width = text_width+self.left_fudge+self.right_fudge
height = text_height+self.bottom_fudge+self.top_fudge
can.round_rectangle(self.line_style, self.fill_style,
x-self.left_fudge, y-self.bottom_fudge,
x-self.left_fudge+width, y-self.bottom_fudge+height,
self.radius, self.shadow)
if halign == 'L':
can.show(x, y, self.text)
elif halign == 'C':
can.show(x+text_width/2.0, y, self.text)
elif halign == 'R':
can.show(x+text_width, y, self.text)
else:
raise Exception, "Unsupported alignment (" + halign + ")"
# draw arrows
for t in self._arrows:
(tipLoc, tail, arrow) = t
if tail:
(x, y, width, height) = self.get_dimension()
origin = [x, y]
for ch in tail:
if ch == 'l':
origin[0] = x
elif ch == 'c':
origin[0] = x+width/2.0
elif ch == 'r':
origin[0] = x+width
elif ch == 'b':
origin[1] = y
elif ch == 'm':
origin[1] = y+height/2.0
elif ch == 't':
origin[1] = y+height
else:
raise ValueError, tail + ": unknown tail location spec."
else:
origin = self.choose_end_point(tipLoc[0], tipLoc[1])
arrow.draw((origin, tipLoc), can)
def draw(self, can = None):
if can == None:
can = canvas.default_canvas()
x = self.loc[0]
y = self.loc[1]
text_width = font.text_width(self.text)
text_height = font.text_height(self.text)[0]
(halign, valign, angle) = font.get_align(self.text)
if self.line_style or self.fill_style:
if self.callout == False:
width = text_width+self.left_fudge+self.right_fudge
height = text_height+self.bottom_fudge+self.top_fudge
can.round_rectangle(self.line_style, self.fill_style,
x-self.left_fudge, y-self.bottom_fudge,
x-self.left_fudge+width, y-self.bottom_fudge+height,
self.radius, self.shadow)
else:
width = text_width+self.left_fudge+self.right_fudge
height = text_height+self.bottom_fudge+self.top_fudge
cx = x + self.callout_shift
cy = y
csize = self.callout_size
x1 = x-self.left_fudge
y1 = y-self.bottom_fudge
x2 = x-self.left_fudge+width
y2 = y-self.bottom_fudge+height
p0 = (cx,y1-csize)
p1 = (cx-csize,y1)
p2 = (cx+csize,y1)
px0,py0 = p0
px1,py1 = p1
px2,py2 = p2
can.polygon(None, self.fill_style,
[p0, p1, p2])
can.line(self.line_style, px0, py0, px1, py1)
can.line(self.line_style, px0, py0, px2, py2)
can.round_rectangle(None, self.fill_style,
x-self.left_fudge, y-self.bottom_fudge,
x-self.left_fudge+width, y-self.bottom_fudge+height,
self.radius, self.shadow)
can.line(self.line_style, x2, y1, x2, y2)
can.line(self.line_style, x2, y2, x1, y2)
can.line(self.line_style, x1, y2, x1, y1)
can.line(self.line_style, x1, y1, px1, y1)
can.line(self.line_style, px2, y1, x2, y1)
if halign == 'L':
can.show(x, y, self.text)
elif halign == 'C':
can.show(x+text_width/2.0, y, self.text)
elif halign == 'R':
can.show(x+text_width, y, self.text)
else:
raise Exception, "Unsupported alignment (" + halign + ")"
# draw arrows
for t in self._arrows:
(tipLoc, tail, arrow) = t
if tail:
(x, y, width, height) = self.get_dimension()
origin = [x, y]
for ch in tail:
if ch == 'l':
origin[0] = x
elif ch == 'c':
origin[0] = x+width/2.0
elif ch == 'r':
origin[0] = x+width
elif ch == 'b':
origin[1] = y
elif ch == 'm':
origin[1] = y+height/2.0
elif ch == 't':
origin[1] = y+height
else:
raise ValueError, tail + ": unknown tail location spec."
else:
origin = self.choose_end_point(tipLoc[0], tipLoc[1])
arrow.draw((origin, tipLoc), can)
def show(self, x, y, str):
global out
y_org = y
org_str = str
if invisible_p(x, y):
return
(xmin, xmax, ymin, ymax) = font.get_dimension(str)
# rectangle(line_style.default, None, x+xmin, y+ymin, x+xmax, y+ymax)
# ellipsis(line_style.default, None, x, y, 1)
self.setbb(x + xmin, y + ymin)
self.setbb(x + xmax, y + ymax)
(halign, valign, angle) = font.get_align(str)
base_x = x
base_y = y
# Handle vertical alignment
if valign == "B":
y = font.unaligned_text_height(str)
elif valign == "T":
y = 0
elif valign == "M":
y = font.unaligned_text_height(str) / 2.0
(xmin, xmax, ymin, ymax) = font.get_dimension(org_str)
self.setbb(x + xmin, y_org + y + ymin)
self.setbb(x + xmax, y_org + y + ymax)
itr = font.text_iterator(None)
max_width = 0
lines = []
for line in str.split('\n'):
cur_width = 0
cur_height = 0
itr.reset(line)
strs = []
while 1:
elem = itr.next()
if not elem:
break
(font_name, size, line_height, color, _h, _v, _a, str) = elem
cur_width += font.line_width(font_name, size, str)
max_width = max(cur_width, max_width)
cur_height = max(cur_height, line_height)
# replace '(' -> '\(', ')' -> '\)' to make
# Postscript string parser happy.
str = str.replace("(", "\\(")
str = str.replace(")", "\\)")
strs.append((font_name, size, color, str))
lines.append((cur_width, cur_height, strs))
for line in lines:
cur_width, cur_height, strs = line
cur_y = y - cur_height
y = y - cur_height
self.comment("cury: %d hei %d str %s\n" %
(cur_y, cur_height, strs))
if halign == 'C':
cur_x = -cur_width / 2.0
elif halign == 'R':
cur_x = -cur_width
else:
cur_x = 0
rel_x, rel_y = pychart_util.rotate(cur_x, cur_y, angle)
self.text_begin()
self.text_moveto(xscale(base_x + rel_x), yscale(base_y + rel_y),
angle)
for segment in strs:
font_name, size, color, str = segment
self.text_show(font_name, nscale(size), color, str)
self.text_end()
def show(x, y, str):
global out
y_org = y
org_str = str
if invisible_p(x, y):
return
(xmin, xmax, ymin, ymax) = font.get_dimension(str)
# rectangle(line_style.default, None, x+xmin, y+ymin, x+xmax, y+ymax)
# ellipsis(line_style.default, None, x, y, 1)
setbb(x+xmin, y+ymin)
setbb(x+xmax, y+ymax)
(halign, valign, angle) = font.get_align(str)
base_x = x
base_y = y
# Handle vertical alignment
if valign == "B":
y = font.unaligned_text_height(str)
elif valign == "T":
y = 0
elif valign == "M":
y = font.unaligned_text_height(str) / 2.0
(xmin, xmax, ymin, ymax) = font.get_dimension(org_str)
# print org_str, xmin, xmax, ymin, ymax, x, y_org, y
setbb(x+xmin, y_org+y+ymin)
setbb(x+xmax, y_org+y+ymax)
itr = font.text_iterator(None)
max_width = 0
lines = []
for line in string.split(str, '\n'):
cur_width = 0
cur_height = 0
itr.reset(line)
strs = []
while 1:
elem = itr.next()
if not elem:
break
(font_name, size, line_height, color, _h, _v, _a, str) = elem
cur_width = cur_width + font.line_width(font_name, size, str)
max_width = max(cur_width, max_width)
cur_height = max(cur_height, line_height)
# replace '(' -> '\(', ')' -> '\)' to make
# Postscript string parser happy.
str = string.replace(str, "(", "\\(")
str = string.replace(str, ")", "\\)")
strs.append((font_name, size, color, str))
lines.append((cur_width, cur_height, strs))
for line in lines:
cur_width, cur_height, strs = line
cur_y = y - cur_height
y = y - cur_height
out.comment("cury: %d hei %d str %s\n" % (cur_y, cur_height, strs))
if halign == 'C':
cur_x = -cur_width/2.0
elif halign == 'R':
cur_x = -cur_width
else:
cur_x = 0
rel_x, rel_y = pychart_util.rotate(cur_x, cur_y, angle)
out.text_begin()
out.text_moveto(xscale(base_x + rel_x),
yscale(base_y + rel_y), angle)
for segment in strs:
font_name, size, color, str = segment
out.text_show(font_name, nscale(size), color, str)
out.text_end()