diff options
Diffstat (limited to 'Tools')
| -rw-r--r-- | Tools/idle/turtle.py | 343 |
1 files changed, 0 insertions, 343 deletions
diff --git a/Tools/idle/turtle.py b/Tools/idle/turtle.py deleted file mode 100644 index 49375a7..0000000 --- a/Tools/idle/turtle.py +++ /dev/null @@ -1,343 +0,0 @@ -# LogoMation-like turtle graphics - -from math import * # Also for export -import Tkinter -Tk = Tkinter -Error = Exception - -class RawPen: - - def __init__(self, canvas): - self._canvas = canvas - self._items = [] - self._tracing = 1 - self.degrees() - self.reset() - - def degrees(self, fullcircle=360.0): - self._fullcircle = fullcircle - self._invradian = pi / (fullcircle * 0.5) - - def radians(self): - self.degrees(2.0*pi) - - def reset(self): - canvas = self._canvas - width = canvas.winfo_width() - height = canvas.winfo_height() - if width <= 1: - width = canvas['width'] - if height <= 1: - height = canvas['height'] - self._origin = float(width)/2.0, float(height)/2.0 - self._position = self._origin - self._angle = 0.0 - self._drawing = 1 - self._width = 1 - self._color = "black" - self._filling = 0 - self._path = [] - self._tofill = [] - self.clear() - canvas._root().tkraise() - - def clear(self): - self.fill(0) - canvas = self._canvas - items = self._items - self._items = [] - for item in items: - canvas.delete(item) - - def tracer(self, flag): - self._tracing = flag - - def forward(self, distance): - x0, y0 = start = self._position - x1 = x0 + distance * cos(self._angle*self._invradian) - y1 = y0 - distance * sin(self._angle*self._invradian) - self._goto(x1, y1) - - def backward(self, distance): - self.forward(-distance) - - def left(self, angle): - self._angle = (self._angle + angle) % self._fullcircle - - def right(self, angle): - self.left(-angle) - - def up(self): - self._drawing = 0 - - def down(self): - self._drawing = 1 - - def width(self, width): - self._width = float(width) - - def color(self, *args): - if not args: - raise Error, "no color arguments" - if len(args) == 1: - color = args[0] - if type(color) == type(""): - # Test the color first - try: - id = self._canvas.create_line(0, 0, 0, 0, fill=color) - except Tk.TclError: - raise Error, "bad color string: %s" % `color` - self._color = color - return - try: - r, g, b = color - except: - raise Error, "bad color sequence: %s" % `color` - else: - try: - r, g, b = args - except: - raise Error, "bad color arguments: %s" % `args` - assert 0 <= r <= 1 - assert 0 <= g <= 1 - assert 0 <= b <= 1 - x = 255.0 - y = 0.5 - self._color = "#%02x%02x%02x" % (int(r*x+y), int(g*x+y), int(b*x+y)) - - def write(self, arg, move=0): - x, y = start = self._position - x = x-1 # correction -- calibrated for Windows - item = self._canvas.create_text(x, y, - text=str(arg), anchor="sw", - fill=self._color) - self._items.append(item) - if move: - x0, y0, x1, y1 = self._canvas.bbox(item) - self._goto(x1, y1) - - def fill(self, flag): - if self._filling: - path = tuple(self._path) - smooth = self._filling < 0 - if len(path) > 2: - item = self._canvas._create('polygon', path, - {'fill': self._color, - 'smooth': smooth}) - self._items.append(item) - self._canvas.lower(item) - if self._tofill: - for item in self._tofill: - self._canvas.itemconfigure(item, fill=self._color) - self._items.append(item) - self._path = [] - self._tofill = [] - self._filling = flag - if flag: - self._path.append(self._position) - - def circle(self, radius, extent=None): - if extent is None: - extent = self._fullcircle - x0, y0 = self._position - xc = x0 - radius * sin(self._angle * self._invradian) - yc = y0 - radius * cos(self._angle * self._invradian) - if radius >= 0.0: - start = self._angle - 90.0 - else: - start = self._angle + 90.0 - extent = -extent - if self._filling: - if abs(extent) >= self._fullcircle: - item = self._canvas.create_oval(xc-radius, yc-radius, - xc+radius, yc+radius, - width=self._width, - outline="") - self._tofill.append(item) - item = self._canvas.create_arc(xc-radius, yc-radius, - xc+radius, yc+radius, - style="chord", - start=start, - extent=extent, - width=self._width, - outline="") - self._tofill.append(item) - if self._drawing: - if abs(extent) >= self._fullcircle: - item = self._canvas.create_oval(xc-radius, yc-radius, - xc+radius, yc+radius, - width=self._width, - outline=self._color) - self._items.append(item) - item = self._canvas.create_arc(xc-radius, yc-radius, - xc+radius, yc+radius, - style="arc", - start=start, - extent=extent, - width=self._width, - outline=self._color) - self._items.append(item) - angle = start + extent - x1 = xc + abs(radius) * cos(angle * self._invradian) - y1 = yc - abs(radius) * sin(angle * self._invradian) - self._angle = (self._angle + extent) % self._fullcircle - self._position = x1, y1 - if self._filling: - self._path.append(self._position) - - def goto(self, *args): - if len(args) == 1: - try: - x, y = args[0] - except: - raise Error, "bad point argument: %s" % `args[0]` - else: - try: - x, y = args - except: - raise Error, "bad coordinates: %s" % `args[0]` - x0, y0 = self._origin - self._goto(x0+x, y0-y) - - def _goto(self, x1, y1): - x0, y0 = start = self._position - self._position = map(float, (x1, y1)) - if self._filling: - self._path.append(self._position) - if self._drawing: - if self._tracing: - dx = float(x1 - x0) - dy = float(y1 - y0) - distance = hypot(dx, dy) - nhops = int(distance) - item = self._canvas.create_line(x0, y0, x0, y0, - width=self._width, - arrow="last", - capstyle="round", - fill=self._color) - try: - for i in range(1, 1+nhops): - x, y = x0 + dx*i/nhops, y0 + dy*i/nhops - self._canvas.coords(item, x0, y0, x, y) - self._canvas.update() - self._canvas.after(10) - self._canvas.itemconfigure(item, arrow="none") - except Tk.TclError: - # Probably the window was closed! - return - else: - item = self._canvas.create_line(x0, y0, x1, y1, - width=self._width, - capstyle="round", - fill=self._color) - self._items.append(item) - - -_root = None -_canvas = None -_pen = None - -class Pen(RawPen): - - def __init__(self): - global _root, _canvas - if _root is None: - _root = Tk.Tk() - _root.wm_protocol("WM_DELETE_WINDOW", self._destroy) - if _canvas is None: - # XXX Should have scroll bars - _canvas = Tk.Canvas(_root, background="white") - _canvas.pack(expand=1, fill="both") - RawPen.__init__(self, _canvas) - - def _destroy(self): - global _root, _canvas, _pen - root = self._canvas._root() - if root is _root: - _pen = None - _root = None - _canvas = None - root.destroy() - - -def _getpen(): - global _pen - pen = _pen - if not pen: - _pen = pen = Pen() - return pen - -def degrees(): _getpen().degrees() -def radians(): _getpen().radians() -def reset(): _getpen().reset() -def clear(): _getpen().clear() -def tracer(flag): _getpen().tracer(flag) -def forward(distance): _getpen().forward(distance) -def backward(distance): _getpen().backward(distance) -def left(angle): _getpen().left(angle) -def right(angle): _getpen().right(angle) -def up(): _getpen().up() -def down(): _getpen().down() -def width(width): _getpen().width(width) -def color(*args): apply(_getpen().color, args) -def write(arg, move=0): _getpen().write(arg, move) -def fill(flag): _getpen().fill(flag) -def circle(radius, extent=None): _getpen().circle(radius, extent) -def goto(*args): apply(_getpen().goto, args) - -def demo(): - reset() - tracer(1) - up() - backward(100) - down() - # draw 3 squares; the last filled - width(3) - for i in range(3): - if i == 2: - fill(1) - for j in range(4): - forward(20) - left(90) - if i == 2: - color("maroon") - fill(0) - up() - forward(30) - down() - width(1) - color("black") - # move out of the way - tracer(0) - up() - right(90) - forward(100) - right(90) - forward(100) - right(180) - down() - # some text - write("startstart", 1) - write("start", 1) - color("red") - # staircase - for i in range(5): - forward(20) - left(90) - forward(20) - right(90) - # filled staircase - fill(1) - for i in range(5): - forward(20) - left(90) - forward(20) - right(90) - fill(0) - # more text - write("end") - if __name__ == '__main__': - _root.mainloop() - -if __name__ == '__main__': - demo() |