def __init__(self, parent, *args, **kwargs):
tk.Frame.__init__(self, parent, *args, **kwargs)
self.parent = parent
self.parent.title("L System Equations Rendering Tool for Tkinter")
### variables ###
self.iterations = tk.StringVar()
self.angle = tk.StringVar()
self.axiom = tk.StringVar()
self.rule1 = tk.StringVar()
self.rule2 = tk.StringVar()
self.rule3 = tk.StringVar()
self.rule4 = tk.StringVar()
self.constants = tk.StringVar()
self.status_text = tk.StringVar()
if _pil_available:
self.status_text.set("Using PIL for rendering")
else:
self.status_text.set("Using tk Canvas for rendering")
self.color1 = "#000000"
self.color2 = "#dd0000"
self.color3 = "#00dd00"
self.color4 = "#0000dd"
self.lsf_dir = expanduser(join("~", "lsf-files"))
if not isdir(self.lsf_dir):
makedirs(self.lsf_dir)
self.example_dir = join(dirname(__file__), "examples")
self.entries = tk.Frame(self)
self.entries.grid(row=0, column=0, sticky=tk.N)
### Labels ###
tk.Label(self.entries, text="Settings", font="Helvetica 14 bold").grid(column=0, row=0, sticky=tk.W)
tk.Label(self.entries, text="Iterations").grid(column=0, row=1, padx=5, pady=5)
tk.Label(self.entries, text="angle").grid(column=0, row=2, padx=5, pady=5)
tk.Label(self.entries, text="axiom").grid(column=0, row=3, padx=5, pady=5)
tk.Label(self.entries, text="rule1").grid(column=0, row=4, padx=5, pady=5)
tk.Label(self.entries, text="rule2").grid(column=0, row=5, padx=5, pady=5)
tk.Label(self.entries, text="rule3").grid(column=0, row=6, padx=5, pady=5)
tk.Label(self.entries, text="rule4").grid(column=0, row=7, padx=5, pady=5)
tk.Label(self.entries, text="constants").grid(column=0, row=8, padx=5, pady=5)
tk.Label(self.entries, text="Color Values", font="Helvetica 14 bold").grid(column=0, row=9, padx=5, pady=5)
tk.Label(self.entries, text="default (color 1):").grid(column=0, row=10, padx=5, pady=5)
tk.Label(self.entries, text="color 2:").grid(column=0, row=11, padx=5, pady=5)
tk.Label(self.entries, text="color 3:").grid(column=0, row=12, padx=5, pady=5)
tk.Label(self.entries, text="color 4:").grid(column=0, row=13, padx=5, pady=5)
### Entries ###
tk.Entry(self.entries, textvariable=self.iterations).grid(column=1, row=1)
tk.Entry(self.entries, textvariable=self.angle).grid(column=1, row=2)
tk.Entry(self.entries, textvariable=self.axiom).grid(column=1, row=3)
tk.Entry(self.entries, textvariable=self.rule1).grid(column=1, row=4)
tk.Entry(self.entries, textvariable=self.rule2).grid(column=1, row=5)
tk.Entry(self.entries, textvariable=self.rule3).grid(column=1, row=6)
tk.Entry(self.entries, textvariable=self.rule4).grid(column=1, row=7)
tk.Entry(self.entries, textvariable=self.constants).grid(column=1, row=8)
## Color settings
self.c1_label = tk.Label(self.entries, text=self.color1, bg=self.color1)
self.c2_label = tk.Label(self.entries, text=self.color2, bg=self.color2)
self.c3_label = tk.Label(self.entries, text=self.color3, bg=self.color3)
self.c4_label = tk.Label(self.entries, text=self.color4, bg=self.color4)
self.c1_label.grid(column=1, row=10)
self.c2_label.grid(column=1, row=11)
self.c3_label.grid(column=1, row=12)
self.c4_label.grid(column=1, row=13)
self.c1_label.bind("<Button-1>", lambda _: self.pick_color("color1", self.c1_label))
self.c2_label.bind("<Button-1>", lambda _: self.pick_color("color2", self.c2_label))
self.c3_label.bind("<Button-1>", lambda _: self.pick_color("color3", self.c3_label))
self.c4_label.bind("<Button-1>", lambda _: self.pick_color("color4", self.c4_label))
### Function Buttons ###
self.buttons = tk.Frame(self)
self.buttons.grid(row=1, column=1)
tk.Button(self.buttons, text="render", command=self.render_image).grid(column=0, row=0)
tk.Button(self.buttons, text="save", command=self.save_to_file).grid(column=1, row=0)
tk.Button(self.buttons, text="load", command=self.load_from_file).grid(column=2, row=0)
save_im_button = tk.Button(self.buttons, text="save image", command=self.save_image)
if not _pil_available:
save_im_button['state'] = tk.DISABLED
save_im_button.grid(column=3, row=0)
self.files = {}
### File List ###
self.right = tk.Frame(self)
self.right.grid(row=0, column=2, sticky=(tk.N+tk.S))
self.fscroll = tk.Scrollbar(self.right)
self.fscroll.grid(row=0, column=1, sticky=(tk.N+tk.S))
self.filebrowser = tk.Listbox(self.right, yscrollcommand=self.fscroll.set, height=20)
self.filebrowser.grid(row=0, column=0)
self.fscroll.config(command=self.filebrowser.yview)
self.filebrowser.bind("<<ListboxSelect>>", self.load_selected_file)
self.fill_file_browser()
tk.Button(self.right, text="Reset File List", command=self.fill_file_browser).grid(row=1, column=0)
### Canvas ###
self.cv = TurtleCanvas(self, width=self.w, height=self.h, bg='white')
self.cv.grid(column=1, row=0)
### Status Bar ###
tk.Label(self, textvariable=self.status_text).grid(row=2, columnspan=3, sticky=tk.W)
self.drawing_thread = None
self.turtle_string_creation = None
self.grid()
# Load command line argument
try:
self.load_from_file(fname=sys.argv[1])
except IndexError:
pass
def __init__(self, parent, *args, **kwargs):
tk.Frame.__init__(self, parent, *args, **kwargs)
self.parent = parent
self.parent.title("L System Equations Rendering Tool for Tkinter")
### variables ###
self.iterations = tk.StringVar()
self.angle = tk.StringVar()
self.axiom = tk.StringVar()
self.rule1 = tk.StringVar()
self.rule2 = tk.StringVar()
self.rule3 = tk.StringVar()
self.rule4 = tk.StringVar()
self.constants = tk.StringVar()
self.status_text = tk.StringVar()
if _pil_available:
self.status_text.set("Using PIL for rendering")
else:
self.status_text.set("Using tk Canvas for rendering")
self.color1 = "#000000"
self.color2 = "#dd0000"
self.color3 = "#00dd00"
self.color4 = "#0000dd"
self.lsf_dir = expanduser(join("~", "lsf-files"))
if not isdir(self.lsf_dir):
makedirs(self.lsf_dir)
self.example_dir = join(dirname(__file__), "examples")
self.entries = tk.Frame(self)
self.entries.grid(row=0, column=0, sticky=tk.N)
### Labels ###
tk.Label(self.entries, text="Settings",
font="Helvetica 14 bold").grid(column=0, row=0, sticky=tk.W)
tk.Label(self.entries, text="Iterations").grid(column=0,
row=1,
padx=5,
pady=5)
tk.Label(self.entries, text="angle").grid(column=0,
row=2,
padx=5,
pady=5)
tk.Label(self.entries, text="axiom").grid(column=0,
row=3,
padx=5,
pady=5)
tk.Label(self.entries, text="rule1").grid(column=0,
row=4,
padx=5,
pady=5)
tk.Label(self.entries, text="rule2").grid(column=0,
row=5,
padx=5,
pady=5)
tk.Label(self.entries, text="rule3").grid(column=0,
row=6,
padx=5,
pady=5)
tk.Label(self.entries, text="rule4").grid(column=0,
row=7,
padx=5,
pady=5)
tk.Label(self.entries, text="constants").grid(column=0,
row=8,
padx=5,
pady=5)
tk.Label(self.entries, text="Color Values",
font="Helvetica 14 bold").grid(column=0,
row=9,
padx=5,
pady=5)
tk.Label(self.entries, text="default (color 1):").grid(column=0,
row=10,
padx=5,
pady=5)
tk.Label(self.entries, text="color 2:").grid(column=0,
row=11,
padx=5,
pady=5)
tk.Label(self.entries, text="color 3:").grid(column=0,
row=12,
padx=5,
pady=5)
tk.Label(self.entries, text="color 4:").grid(column=0,
row=13,
padx=5,
pady=5)
### Entries ###
tk.Entry(self.entries, textvariable=self.iterations).grid(column=1,
row=1)
tk.Entry(self.entries, textvariable=self.angle).grid(column=1, row=2)
tk.Entry(self.entries, textvariable=self.axiom).grid(column=1, row=3)
tk.Entry(self.entries, textvariable=self.rule1).grid(column=1, row=4)
tk.Entry(self.entries, textvariable=self.rule2).grid(column=1, row=5)
tk.Entry(self.entries, textvariable=self.rule3).grid(column=1, row=6)
tk.Entry(self.entries, textvariable=self.rule4).grid(column=1, row=7)
tk.Entry(self.entries, textvariable=self.constants).grid(column=1,
row=8)
## Color settings
self.c1_label = tk.Label(self.entries,
text=self.color1,
bg=self.color1)
self.c2_label = tk.Label(self.entries,
text=self.color2,
bg=self.color2)
self.c3_label = tk.Label(self.entries,
text=self.color3,
bg=self.color3)
self.c4_label = tk.Label(self.entries,
text=self.color4,
bg=self.color4)
self.c1_label.grid(column=1, row=10)
self.c2_label.grid(column=1, row=11)
self.c3_label.grid(column=1, row=12)
self.c4_label.grid(column=1, row=13)
self.c1_label.bind("<Button-1>",
lambda _: self.pick_color("color1", self.c1_label))
self.c2_label.bind("<Button-1>",
lambda _: self.pick_color("color2", self.c2_label))
self.c3_label.bind("<Button-1>",
lambda _: self.pick_color("color3", self.c3_label))
self.c4_label.bind("<Button-1>",
lambda _: self.pick_color("color4", self.c4_label))
### Function Buttons ###
self.buttons = tk.Frame(self)
self.buttons.grid(row=1, column=1)
tk.Button(self.buttons, text="render",
command=self.render_image).grid(column=0, row=0)
tk.Button(self.buttons, text="save",
command=self.save_to_file).grid(column=1, row=0)
tk.Button(self.buttons, text="load",
command=self.load_from_file).grid(column=2, row=0)
save_im_button = tk.Button(self.buttons,
text="save image",
command=self.save_image)
if not _pil_available:
save_im_button['state'] = tk.DISABLED
save_im_button.grid(column=3, row=0)
self.files = {}
### File List ###
self.right = tk.Frame(self)
self.right.grid(row=0, column=2, sticky=(tk.N + tk.S))
self.fscroll = tk.Scrollbar(self.right)
self.fscroll.grid(row=0, column=1, sticky=(tk.N + tk.S))
self.filebrowser = tk.Listbox(self.right,
yscrollcommand=self.fscroll.set,
height=20)
self.filebrowser.grid(row=0, column=0)
self.fscroll.config(command=self.filebrowser.yview)
self.filebrowser.bind("<<ListboxSelect>>", self.load_selected_file)
self.fill_file_browser()
tk.Button(self.right,
text="Reset File List",
command=self.fill_file_browser).grid(row=1, column=0)
### Canvas ###
self.cv = TurtleCanvas(self, width=self.w, height=self.h, bg='white')
self.cv.grid(column=1, row=0)
### Status Bar ###
tk.Label(self, textvariable=self.status_text).grid(row=2,
columnspan=3,
sticky=tk.W)
self.drawing_thread = None
self.turtle_string_creation = None
self.grid()
# Load command line argument
try:
self.load_from_file(fname=sys.argv[1])
except IndexError:
pass
class Main(tk.Frame):
w = 600
h = 600
def __init__(self, parent, *args, **kwargs):
tk.Frame.__init__(self, parent, *args, **kwargs)
self.parent = parent
self.parent.title("L System Equations Rendering Tool for Tkinter")
### variables ###
self.iterations = tk.StringVar()
self.angle = tk.StringVar()
self.axiom = tk.StringVar()
self.rule1 = tk.StringVar()
self.rule2 = tk.StringVar()
self.rule3 = tk.StringVar()
self.rule4 = tk.StringVar()
self.constants = tk.StringVar()
self.status_text = tk.StringVar()
if _pil_available:
self.status_text.set("Using PIL for rendering")
else:
self.status_text.set("Using tk Canvas for rendering")
self.color1 = "#000000"
self.color2 = "#dd0000"
self.color3 = "#00dd00"
self.color4 = "#0000dd"
self.lsf_dir = expanduser(join("~", "lsf-files"))
if not isdir(self.lsf_dir):
makedirs(self.lsf_dir)
self.example_dir = join(dirname(__file__), "examples")
self.entries = tk.Frame(self)
self.entries.grid(row=0, column=0, sticky=tk.N)
### Labels ###
tk.Label(self.entries, text="Settings", font="Helvetica 14 bold").grid(column=0, row=0, sticky=tk.W)
tk.Label(self.entries, text="Iterations").grid(column=0, row=1, padx=5, pady=5)
tk.Label(self.entries, text="angle").grid(column=0, row=2, padx=5, pady=5)
tk.Label(self.entries, text="axiom").grid(column=0, row=3, padx=5, pady=5)
tk.Label(self.entries, text="rule1").grid(column=0, row=4, padx=5, pady=5)
tk.Label(self.entries, text="rule2").grid(column=0, row=5, padx=5, pady=5)
tk.Label(self.entries, text="rule3").grid(column=0, row=6, padx=5, pady=5)
tk.Label(self.entries, text="rule4").grid(column=0, row=7, padx=5, pady=5)
tk.Label(self.entries, text="constants").grid(column=0, row=8, padx=5, pady=5)
tk.Label(self.entries, text="Color Values", font="Helvetica 14 bold").grid(column=0, row=9, padx=5, pady=5)
tk.Label(self.entries, text="default (color 1):").grid(column=0, row=10, padx=5, pady=5)
tk.Label(self.entries, text="color 2:").grid(column=0, row=11, padx=5, pady=5)
tk.Label(self.entries, text="color 3:").grid(column=0, row=12, padx=5, pady=5)
tk.Label(self.entries, text="color 4:").grid(column=0, row=13, padx=5, pady=5)
### Entries ###
tk.Entry(self.entries, textvariable=self.iterations).grid(column=1, row=1)
tk.Entry(self.entries, textvariable=self.angle).grid(column=1, row=2)
tk.Entry(self.entries, textvariable=self.axiom).grid(column=1, row=3)
tk.Entry(self.entries, textvariable=self.rule1).grid(column=1, row=4)
tk.Entry(self.entries, textvariable=self.rule2).grid(column=1, row=5)
tk.Entry(self.entries, textvariable=self.rule3).grid(column=1, row=6)
tk.Entry(self.entries, textvariable=self.rule4).grid(column=1, row=7)
tk.Entry(self.entries, textvariable=self.constants).grid(column=1, row=8)
## Color settings
self.c1_label = tk.Label(self.entries, text=self.color1, bg=self.color1)
self.c2_label = tk.Label(self.entries, text=self.color2, bg=self.color2)
self.c3_label = tk.Label(self.entries, text=self.color3, bg=self.color3)
self.c4_label = tk.Label(self.entries, text=self.color4, bg=self.color4)
self.c1_label.grid(column=1, row=10)
self.c2_label.grid(column=1, row=11)
self.c3_label.grid(column=1, row=12)
self.c4_label.grid(column=1, row=13)
self.c1_label.bind("<Button-1>", lambda _: self.pick_color("color1", self.c1_label))
self.c2_label.bind("<Button-1>", lambda _: self.pick_color("color2", self.c2_label))
self.c3_label.bind("<Button-1>", lambda _: self.pick_color("color3", self.c3_label))
self.c4_label.bind("<Button-1>", lambda _: self.pick_color("color4", self.c4_label))
### Function Buttons ###
self.buttons = tk.Frame(self)
self.buttons.grid(row=1, column=1)
tk.Button(self.buttons, text="render", command=self.render_image).grid(column=0, row=0)
tk.Button(self.buttons, text="save", command=self.save_to_file).grid(column=1, row=0)
tk.Button(self.buttons, text="load", command=self.load_from_file).grid(column=2, row=0)
save_im_button = tk.Button(self.buttons, text="save image", command=self.save_image)
if not _pil_available:
save_im_button['state'] = tk.DISABLED
save_im_button.grid(column=3, row=0)
self.files = {}
### File List ###
self.right = tk.Frame(self)
self.right.grid(row=0, column=2, sticky=(tk.N+tk.S))
self.fscroll = tk.Scrollbar(self.right)
self.fscroll.grid(row=0, column=1, sticky=(tk.N+tk.S))
self.filebrowser = tk.Listbox(self.right, yscrollcommand=self.fscroll.set, height=20)
self.filebrowser.grid(row=0, column=0)
self.fscroll.config(command=self.filebrowser.yview)
self.filebrowser.bind("<<ListboxSelect>>", self.load_selected_file)
self.fill_file_browser()
tk.Button(self.right, text="Reset File List", command=self.fill_file_browser).grid(row=1, column=0)
### Canvas ###
self.cv = TurtleCanvas(self, width=self.w, height=self.h, bg='white')
self.cv.grid(column=1, row=0)
### Status Bar ###
tk.Label(self, textvariable=self.status_text).grid(row=2, columnspan=3, sticky=tk.W)
self.drawing_thread = None
self.turtle_string_creation = None
self.grid()
# Load command line argument
try:
self.load_from_file(fname=sys.argv[1])
except IndexError:
pass
def load_selected_file(self, _):
sel = self.filebrowser.curselection()
fpath = self.files[self.filebrowser.get(sel[0])]
self.load_from_file(fpath)
def fill_file_browser(self):
root_dirs = (self.lsf_dir, self.example_dir)
self.files = {}
self.filebrowser.delete(0, tk.END)
for directory in root_dirs:
for f in glob(join(directory, "*.lsf")):
fname = basename(f)
self.files[fname] = f
self.filebrowser.insert(0, fname)
def pick_color(self, colorname, label):
old_color = getattr(self, colorname)
# discard (r,g,b) and use #rrggbb instead
_, new_color = colorchooser.askcolor(initialcolor=old_color, title="Pick a color")
setattr(self, colorname, new_color)
label['text'] = new_color
label['bg'] = new_color
def save_to_file(self):
fn = filedialog.asksaveasfilename(initialdir=self.lsf_dir,
filetypes=(('L-System Formula File', '*.lsf'), ('All files', '*.*')))
if not fn:
return
if not fn.endswith(".lsf"):
fn += ".lsf"
try:
with open(fn, "w") as f:
f.write("\n".join((self.iterations.get(),
self.angle.get(),
self.axiom.get(),
self.rule1.get(),
self.rule2.get(),
self.rule3.get(),
self.rule4.get(),
self.constants.get(),
"EOF")))
except Exception as e:
messagebox.showerror("Couldn't save", e)
def load_from_file(self, fname=None):
if not fname:
fname = filedialog.askopenfilename(initialdir=self.lsf_dir,
filetypes=(("L-System Formula", "*.lsf"), ("all files", "*.*")))
if not fname: # User can click cancel
return
with open(fname, "r") as f:
x = f.readlines()
self.iterations.set(x[0].strip())
self.angle.set(x[1].strip())
self.axiom.set(x[2].strip())
self.rule1.set(x[3].strip())
self.rule2.set(x[4].strip())
self.rule3.set(x[5].strip())
self.rule4.set(x[6].strip())
self.constants.set(x[7].strip())
self.render_image()
def save_image(self):
with filedialog.asksaveasfile(filetypes=(('Jpeg Image', '*.jpg;*.jpeg;*.JPEG;*.JPG'),
('Bitmap Image', '*.bmp'),
('Png Image', '*.png'))) as f:
self.cv.pil_image.save(f)
@property
def get_rules(self):
"""
:rtype : dict
:return: dictionary of l-system rules
"""
rules = dict()
for r in ("rule1", "rule2", "rule3", "rule4"):
text = getattr(self, r).get()
if ":" in text:
kv = text.split(":")
rules[kv[0]] = "".join(kv[1:])
return rules
def render_image_continue(self):
if self.turtle_string_creation.job_done():
self.status_text.set("Rendering image")
angle = int(self.angle.get())
constants = self.constants.get()
t = Turtle(self.turtle_string_creation.string,
angle,
placeholders=["1", "2", "3", "4"],
null_characters=constants)
if self.drawing_thread:
self.drawing_thread.stop_drawing()
self.drawing_thread.join()
self.drawing_thread = DrawTurtle(self.cv,
t,
colors={"1": self.color1,
"2": self.color2,
"3": self.color3,
"4": self.color4})
self.drawing_thread.daemon = True
self.drawing_thread.start()
else:
self.after(100, self.render_image_continue)
def render_image(self):
angle = self.angle.get()
iterations = self.iterations.get()
string = self.axiom.get()
rules = self.get_rules
try:
iterations = int(iterations)
except ValueError:
messagebox.showerror("Missing Information", "You didn't specify iterations")
return
try:
int(angle)
except ValueError:
messagebox.showerror("Missing Information", "You didn't specify angle")
return
if iterations > 15:
if not messagebox.askyesno("Iterations too high", "Number of iterations is"
"too high. This might cause performance problems."
"Are you sure about this?"):
return
# Produce string
if self.turtle_string_creation:
self.turtle_string_creation.stop_creating()
self.turtle_string_creation.join()
self.turtle_string_creation = CreateTurtleString(string, rules, iterations)
self.turtle_string_creation.start()
self.status_text.set("Creating turtle string")
self.after(100, self.render_image_continue)
def fill_entries(self, it="", ang="", cons="", axi="", r1="", r2="", r3="", r4=""):
self.iterations.set(it)
self.angle.set(ang)
self.constants.set(cons)
self.axiom.set(axi)
self.rule1.set(r1)
self.rule2.set(r2)
self.rule3.set(r3)
self.rule4.set(r4)
def run(self):
self.parent.mainloop()
class Main(tk.Frame):
w = 600
h = 600
def __init__(self, parent, *args, **kwargs):
tk.Frame.__init__(self, parent, *args, **kwargs)
self.parent = parent
self.parent.title("L System Equations Rendering Tool for Tkinter")
### variables ###
self.iterations = tk.StringVar()
self.angle = tk.StringVar()
self.axiom = tk.StringVar()
self.rule1 = tk.StringVar()
self.rule2 = tk.StringVar()
self.rule3 = tk.StringVar()
self.rule4 = tk.StringVar()
self.constants = tk.StringVar()
self.status_text = tk.StringVar()
if _pil_available:
self.status_text.set("Using PIL for rendering")
else:
self.status_text.set("Using tk Canvas for rendering")
self.color1 = "#000000"
self.color2 = "#dd0000"
self.color3 = "#00dd00"
self.color4 = "#0000dd"
self.lsf_dir = expanduser(join("~", "lsf-files"))
if not isdir(self.lsf_dir):
makedirs(self.lsf_dir)
self.example_dir = join(dirname(__file__), "examples")
self.entries = tk.Frame(self)
self.entries.grid(row=0, column=0, sticky=tk.N)
### Labels ###
tk.Label(self.entries, text="Settings",
font="Helvetica 14 bold").grid(column=0, row=0, sticky=tk.W)
tk.Label(self.entries, text="Iterations").grid(column=0,
row=1,
padx=5,
pady=5)
tk.Label(self.entries, text="angle").grid(column=0,
row=2,
padx=5,
pady=5)
tk.Label(self.entries, text="axiom").grid(column=0,
row=3,
padx=5,
pady=5)
tk.Label(self.entries, text="rule1").grid(column=0,
row=4,
padx=5,
pady=5)
tk.Label(self.entries, text="rule2").grid(column=0,
row=5,
padx=5,
pady=5)
tk.Label(self.entries, text="rule3").grid(column=0,
row=6,
padx=5,
pady=5)
tk.Label(self.entries, text="rule4").grid(column=0,
row=7,
padx=5,
pady=5)
tk.Label(self.entries, text="constants").grid(column=0,
row=8,
padx=5,
pady=5)
tk.Label(self.entries, text="Color Values",
font="Helvetica 14 bold").grid(column=0,
row=9,
padx=5,
pady=5)
tk.Label(self.entries, text="default (color 1):").grid(column=0,
row=10,
padx=5,
pady=5)
tk.Label(self.entries, text="color 2:").grid(column=0,
row=11,
padx=5,
pady=5)
tk.Label(self.entries, text="color 3:").grid(column=0,
row=12,
padx=5,
pady=5)
tk.Label(self.entries, text="color 4:").grid(column=0,
row=13,
padx=5,
pady=5)
### Entries ###
tk.Entry(self.entries, textvariable=self.iterations).grid(column=1,
row=1)
tk.Entry(self.entries, textvariable=self.angle).grid(column=1, row=2)
tk.Entry(self.entries, textvariable=self.axiom).grid(column=1, row=3)
tk.Entry(self.entries, textvariable=self.rule1).grid(column=1, row=4)
tk.Entry(self.entries, textvariable=self.rule2).grid(column=1, row=5)
tk.Entry(self.entries, textvariable=self.rule3).grid(column=1, row=6)
tk.Entry(self.entries, textvariable=self.rule4).grid(column=1, row=7)
tk.Entry(self.entries, textvariable=self.constants).grid(column=1,
row=8)
## Color settings
self.c1_label = tk.Label(self.entries,
text=self.color1,
bg=self.color1)
self.c2_label = tk.Label(self.entries,
text=self.color2,
bg=self.color2)
self.c3_label = tk.Label(self.entries,
text=self.color3,
bg=self.color3)
self.c4_label = tk.Label(self.entries,
text=self.color4,
bg=self.color4)
self.c1_label.grid(column=1, row=10)
self.c2_label.grid(column=1, row=11)
self.c3_label.grid(column=1, row=12)
self.c4_label.grid(column=1, row=13)
self.c1_label.bind("<Button-1>",
lambda _: self.pick_color("color1", self.c1_label))
self.c2_label.bind("<Button-1>",
lambda _: self.pick_color("color2", self.c2_label))
self.c3_label.bind("<Button-1>",
lambda _: self.pick_color("color3", self.c3_label))
self.c4_label.bind("<Button-1>",
lambda _: self.pick_color("color4", self.c4_label))
### Function Buttons ###
self.buttons = tk.Frame(self)
self.buttons.grid(row=1, column=1)
tk.Button(self.buttons, text="render",
command=self.render_image).grid(column=0, row=0)
tk.Button(self.buttons, text="save",
command=self.save_to_file).grid(column=1, row=0)
tk.Button(self.buttons, text="load",
command=self.load_from_file).grid(column=2, row=0)
save_im_button = tk.Button(self.buttons,
text="save image",
command=self.save_image)
if not _pil_available:
save_im_button['state'] = tk.DISABLED
save_im_button.grid(column=3, row=0)
self.files = {}
### File List ###
self.right = tk.Frame(self)
self.right.grid(row=0, column=2, sticky=(tk.N + tk.S))
self.fscroll = tk.Scrollbar(self.right)
self.fscroll.grid(row=0, column=1, sticky=(tk.N + tk.S))
self.filebrowser = tk.Listbox(self.right,
yscrollcommand=self.fscroll.set,
height=20)
self.filebrowser.grid(row=0, column=0)
self.fscroll.config(command=self.filebrowser.yview)
self.filebrowser.bind("<<ListboxSelect>>", self.load_selected_file)
self.fill_file_browser()
tk.Button(self.right,
text="Reset File List",
command=self.fill_file_browser).grid(row=1, column=0)
### Canvas ###
self.cv = TurtleCanvas(self, width=self.w, height=self.h, bg='white')
self.cv.grid(column=1, row=0)
### Status Bar ###
tk.Label(self, textvariable=self.status_text).grid(row=2,
columnspan=3,
sticky=tk.W)
self.drawing_thread = None
self.turtle_string_creation = None
self.grid()
# Load command line argument
try:
self.load_from_file(fname=sys.argv[1])
except IndexError:
pass
def load_selected_file(self, _):
sel = self.filebrowser.curselection()
fpath = self.files[self.filebrowser.get(sel[0])]
self.load_from_file(fpath)
def fill_file_browser(self):
root_dirs = (self.lsf_dir, self.example_dir)
self.files = {}
self.filebrowser.delete(0, tk.END)
for directory in root_dirs:
for f in glob(join(directory, "*.lsf")):
fname = basename(f)
self.files[fname] = f
self.filebrowser.insert(0, fname)
def pick_color(self, colorname, label):
old_color = getattr(self, colorname)
# discard (r,g,b) and use #rrggbb instead
_, new_color = colorchooser.askcolor(initialcolor=old_color,
title="Pick a color")
setattr(self, colorname, new_color)
label['text'] = new_color
label['bg'] = new_color
def save_to_file(self):
fn = filedialog.asksaveasfilename(initialdir=self.lsf_dir,
filetypes=(('L-System Formula File',
'*.lsf'), ('All files',
'*.*')))
if not fn:
return
if not fn.endswith(".lsf"):
fn += ".lsf"
try:
with open(fn, "w") as f:
f.write("\n".join(
(self.iterations.get(), self.angle.get(), self.axiom.get(),
self.rule1.get(), self.rule2.get(), self.rule3.get(),
self.rule4.get(), self.constants.get(), "EOF")))
except Exception as e:
messagebox.showerror("Couldn't save", e)
def load_from_file(self, fname=None):
if not fname:
fname = filedialog.askopenfilename(initialdir=self.lsf_dir,
filetypes=(("L-System Formula",
"*.lsf"),
("all files",
"*.*")))
if not fname: # User can click cancel
return
with open(fname, "r") as f:
x = f.readlines()
self.iterations.set(x[0].strip())
self.angle.set(x[1].strip())
self.axiom.set(x[2].strip())
self.rule1.set(x[3].strip())
self.rule2.set(x[4].strip())
self.rule3.set(x[5].strip())
self.rule4.set(x[6].strip())
self.constants.set(x[7].strip())
self.render_image()
def save_image(self):
with filedialog.asksaveasfile(filetypes=(('Jpeg Image',
'*.jpg;*.jpeg;*.JPEG;*.JPG'),
('Bitmap Image', '*.bmp'),
('Png Image', '*.png'))) as f:
self.cv.pil_image.save(f)
@property
def get_rules(self):
"""
:rtype : dict
:return: dictionary of l-system rules
"""
rules = dict()
for r in ("rule1", "rule2", "rule3", "rule4"):
text = getattr(self, r).get()
if ":" in text:
kv = text.split(":")
rules[kv[0]] = "".join(kv[1:])
return rules
def render_image_continue(self):
if self.turtle_string_creation.job_done():
self.status_text.set("Rendering image")
angle = int(self.angle.get())
constants = self.constants.get()
t = Turtle(self.turtle_string_creation.string,
angle,
placeholders=["1", "2", "3", "4"],
null_characters=constants)
if self.drawing_thread:
self.drawing_thread.stop_drawing()
self.drawing_thread.join()
self.drawing_thread = DrawTurtle(self.cv,
t,
colors={
"1": self.color1,
"2": self.color2,
"3": self.color3,
"4": self.color4
})
self.drawing_thread.daemon = True
self.drawing_thread.start()
else:
self.after(100, self.render_image_continue)
def render_image(self):
angle = self.angle.get()
iterations = self.iterations.get()
string = self.axiom.get()
rules = self.get_rules
try:
iterations = int(iterations)
except ValueError:
messagebox.showerror("Missing Information",
"You didn't specify iterations")
return
try:
int(angle)
except ValueError:
messagebox.showerror("Missing Information",
"You didn't specify angle")
return
if iterations > 15:
if not messagebox.askyesno(
"Iterations too high", "Number of iterations is"
"too high. This might cause performance problems."
"Are you sure about this?"):
return
# Produce string
if self.turtle_string_creation:
self.turtle_string_creation.stop_creating()
self.turtle_string_creation.join()
self.turtle_string_creation = CreateTurtleString(
string, rules, iterations)
self.turtle_string_creation.start()
self.status_text.set("Creating turtle string")
self.after(100, self.render_image_continue)
def fill_entries(self,
it="",
ang="",
cons="",
axi="",
r1="",
r2="",
r3="",
r4=""):
self.iterations.set(it)
self.angle.set(ang)
self.constants.set(cons)
self.axiom.set(axi)
self.rule1.set(r1)
self.rule2.set(r2)
self.rule3.set(r3)
self.rule4.set(r4)
def run(self):
self.parent.mainloop()