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path: root/TurtleArt/tacanvas.py
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diff --git a/TurtleArt/tacanvas.py b/TurtleArt/tacanvas.py
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+#Copyright (c) 2007-8, Playful Invention Company.
+#Copyright (c) 2008-10, Walter Bender
+
+#Permission is hereby granted, free of charge, to any person obtaining a copy
+#of this software and associated documentation files (the "Software"), to deal
+#in the Software without restriction, including without limitation the rights
+#to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+#copies of the Software, and to permit persons to whom the Software is
+#furnished to do so, subject to the following conditions:
+
+#The above copyright notice and this permission notice shall be included in
+#all copies or substantial portions of the Software.
+
+#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+#IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+#FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+#AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+#LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+#OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+#THE SOFTWARE.
+
+import gtk
+from math import sin, cos, pi
+import pango
+import cairo
+
+from sprites import Sprite
+from tasprite_factory import SVG
+from tautils import image_to_base64, data_to_string, round_int
+from taconstants import CANVAS_LAYER, DEFAULT_TURTLE, BLACK, WHITE
+
+import logging
+_logger = logging.getLogger('turtleart-activity')
+
+
+def wrap100(n):
+ """ A variant on mod... 101 -> 99; 199 -> 1 """
+ n = int(n)
+ n %= 200
+ if n > 99:
+ n = 199 - n
+ return n
+
+
+def calc_shade(c, s):
+ """ Convert a color to the current shade (lightness/darkness). """
+ if s < 0:
+ return int(c * (1 + s * 0.8))
+ return int(c + (65536 - c) * s * 0.9)
+
+
+def calc_gray(c, g):
+ """ Gray is a psuedo saturation calculation. """
+ if g == 100:
+ return c
+ return int(((c * g) + (32768 * (100 - g))) / 100)
+
+colors = {}
+DEGTOR = 2 * pi / 360
+
+color_table = (
+ 0xFF0000, 0xFF0D00, 0xFF1A00, 0xFF2600, 0xFF3300,
+ 0xFF4000, 0xFF4D00, 0xFF5900, 0xFF6600, 0xFF7300,
+ 0xFF8000, 0xFF8C00, 0xFF9900, 0xFFA600, 0xFFB300,
+ 0xFFBF00, 0xFFCC00, 0xFFD900, 0xFFE600, 0xFFF200,
+ 0xFFFF00, 0xE6FF00, 0xCCFF00, 0xB3FF00, 0x99FF00,
+ 0x80FF00, 0x66FF00, 0x4DFF00, 0x33FF00, 0x1AFF00,
+ 0x00FF00, 0x00FF0D, 0x00FF1A, 0x00FF26, 0x00FF33,
+ 0x00FF40, 0x00FF4D, 0x00FF59, 0x00FF66, 0x00FF73,
+ 0x00FF80, 0x00FF8C, 0x00FF99, 0x00FFA6, 0x00FFB3,
+ 0x00FFBF, 0x00FFCC, 0x00FFD9, 0x00FFE6, 0x00FFF2,
+ 0x00FFFF, 0x00F2FF, 0x00E6FF, 0x00D9FF, 0x00CCFF,
+ 0x00BFFF, 0x00B3FF, 0x00A6FF, 0x0099FF, 0x008CFF,
+ 0x0080FF, 0x0073FF, 0x0066FF, 0x0059FF, 0x004DFF,
+ 0x0040FF, 0x0033FF, 0x0026FF, 0x001AFF, 0x000DFF,
+ 0x0000FF, 0x0D00FF, 0x1A00FF, 0x2600FF, 0x3300FF,
+ 0x4000FF, 0x4D00FF, 0x5900FF, 0x6600FF, 0x7300FF,
+ 0x8000FF, 0x8C00FF, 0x9900FF, 0xA600FF, 0xB300FF,
+ 0xBF00FF, 0xCC00FF, 0xD900FF, 0xE600FF, 0xF200FF,
+ 0xFF00FF, 0xFF00E6, 0xFF00CC, 0xFF00B3, 0xFF0099,
+ 0xFF0080, 0xFF0066, 0xFF004D, 0xFF0033, 0xFF001A)
+
+
+class TurtleGraphics:
+ """ A class for the Turtle graphics canvas """
+
+ def __init__(self, tw, width, height):
+ """ Create a sprite to hold the canvas. """
+ self.tw = tw
+ self.width = width
+ self.height = height
+ if self.tw.interactive_mode:
+ self.canvas = Sprite(tw.sprite_list, 0, 0,
+ gtk.gdk.Pixmap(self.tw.area, self.width, self.height, -1))
+ else:
+ self.canvas = Sprite(None, 0, 0, self.tw.window)
+ self.canvas.set_layer(CANVAS_LAYER)
+ (self.cx, self.cy) = self.canvas.get_xy()
+ self.canvas.type = 'canvas'
+ self.gc = self.canvas.images[0].new_gc()
+ self.cm = self.gc.get_colormap()
+ self.fgrgb = [255, 0, 0]
+ self.fgcolor = self.cm.alloc_color('red')
+ self.bgrgb = [255, 248, 222]
+ self.bgcolor = self.cm.alloc_color('#fff8de')
+ self.textsize = 48
+ self.textcolor = self.cm.alloc_color('blue')
+ self.tw.active_turtle.show()
+ self.shade = 0
+ self.pendown = True
+ self.xcor = 0
+ self.ycor = 0
+ self.heading = 0
+ self.pensize = 5
+ self.tcolor = 0
+ self.color = 0
+ self.gray = 100
+ self.fill = False
+ self.poly_points = []
+ self.svg = SVG()
+ self.svg.set_fill_color('none')
+ self.tw.svg_string = ''
+ self.clearscreen(False)
+
+ def start_fill(self):
+ """ Start accumulating points of a polygon to fill. """
+ self.fill = True
+ self.poly_points = []
+
+ def stop_fill(self):
+ """ Fill the polygon. """
+ self.fill = False
+ if len(self.poly_points) == 0:
+ return
+ minx = self.poly_points[0][0]
+ miny = self.poly_points[0][1]
+ maxx = minx
+ maxy = miny
+ for p in self.poly_points:
+ if p[0] < minx:
+ minx = p[0]
+ elif p[0] > maxx:
+ maxx = p[0]
+ if p[1] < miny:
+ miny = p[1]
+ elif p[1] > maxy:
+ maxy = p[1]
+ w = maxx - minx
+ h = maxy - miny
+ self.canvas.images[0].draw_polygon(self.gc, True, self.poly_points)
+ self.invalt(minx - self.pensize * self.tw.coord_scale / 2 - 3,
+ miny - self.pensize * self.tw.coord_scale / 2 - 3,
+ w + self.pensize * self.tw.coord_scale + 6,
+ h + self.pensize * self.tw.coord_scale + 6)
+ self.poly_points = []
+
+ def clearscreen(self, share=True):
+ """Clear the canvas and reset most graphics attributes to defaults."""
+ rect = gtk.gdk.Rectangle(0, 0, self.width, self.height)
+ self.gc.set_foreground(self.bgcolor)
+ self.canvas.images[0].draw_rectangle(self.gc, True, *rect)
+ self.invalt(0, 0, self.width, self.height)
+ self.setpensize(5, share)
+ self.setgray(100, share)
+ self.setcolor(0, share)
+ self.settextcolor(70)
+ self.settextsize(48)
+ self.setshade(50, share)
+ self.setpen(True, share)
+ for turtle_key in iter(self.tw.turtles.dict):
+ self.set_turtle(turtle_key)
+ self.tw.active_turtle.set_color(0)
+ self.tw.active_turtle.set_shade(50)
+ self.tw.active_turtle.set_pen_size(5)
+ self.tw.active_turtle.set_pen_state(True)
+ self.seth(0, share)
+ self.setxy(0, 0, share)
+ self.set_turtle(DEFAULT_TURTLE)
+ self.tw.svg_string = ''
+ self.svg.reset_min_max()
+ self.fill = False
+ self.poly_points = []
+
+ def forward(self, n, share=True):
+ """ Move the turtle forward."""
+ nn = n * self.tw.coord_scale
+ self.gc.set_foreground(self.fgcolor)
+ oldx, oldy = self.xcor, self.ycor
+ try:
+ self.xcor += nn * sin(self.heading * DEGTOR)
+ self.ycor += nn * cos(self.heading * DEGTOR)
+ except TypeError, ValueError:
+ _logger.debug("bad value sent to %s" % (__name__))
+ return
+ if self.pendown:
+ self.draw_line(oldx, oldy, self.xcor, self.ycor)
+ self.move_turtle()
+ if self.tw.saving_svg and self.pendown:
+ self.tw.svg_string += self.svg.new_path(oldx,
+ self.height / 2 - oldy)
+ self.tw.svg_string += self.svg.line_to(self.xcor,
+ self.height / 2 - self.ycor)
+ self.tw.svg_string += "\"\n"
+ self.tw.svg_string += self.svg.style()
+ if self.tw.sharing() and share:
+ self.tw.activity.send_event("f|%s" % \
+ (data_to_string([self.tw.nick,
+ int(n)])))
+
+ def seth(self, n, share=True):
+ """ Set the turtle heading. """
+ try:
+ self.heading = n
+ except TypeError, ValueError:
+ _logger.debug("bad value sent to %s" % (__name__))
+ return
+ self.heading %= 360
+ self.turn_turtle()
+ if self.tw.sharing() and share:
+ self.tw.activity.send_event("r|%s" % \
+ (data_to_string([self.tw.nick, round_int(self.heading)])))
+
+ def right(self, n, share=True):
+ """ Rotate turtle clockwise """
+ try:
+ self.heading += n
+ except TypeError, ValueError:
+ _logger.debug("bad value sent to %s" % (__name__))
+ return
+ self.heading %= 360
+ self.turn_turtle()
+ if self.tw.sharing() and share:
+ self.tw.activity.send_event("r|%s" % \
+ (data_to_string([self.tw.nick, round_int(self.heading)])))
+
+ def arc(self, a, r, share=True):
+ """ Draw an arc """
+ self.gc.set_foreground(self.fgcolor)
+ rr = r * self.tw.coord_scale
+ try:
+ if a < 0:
+ self.larc(-a, rr)
+ else:
+ self.rarc(a, rr)
+ except TypeError, ValueError:
+ _logger.debug("bad value sent to %s" % (__name__))
+ return
+ self.move_turtle()
+ if self.tw.sharing() and share:
+ self.tw.activity.send_event("a|%s" % \
+ (data_to_string([self.tw.nick, [round_int(a), round_int(r)]])))
+
+ def rarc(self, a, r):
+ """ draw a clockwise arc """
+ if r < 0:
+ r = -r
+ a = -a
+ s = 0
+ else:
+ s = 1
+ oldx, oldy = self.xcor, self.ycor
+ cx = self.xcor + r * cos(self.heading * DEGTOR)
+ cy = self.ycor - r * sin(self.heading * DEGTOR)
+ x = self.width / 2 + int(cx - r)
+ y = self.height / 2 - int(cy + r)
+ w = int(2 * r)
+ h = w
+ if self.pendown:
+ self.canvas.images[0].draw_arc(self.gc, False, x, y, w, h,
+ int(180 - self.heading - a) * 64, int(a) * 64)
+ self.invalt(x - self.pensize * self.tw.coord_scale / 2 - 3,
+ y - self.pensize * self.tw.coord_scale / 2 - 3,
+ w + self.pensize * self.tw.coord_scale + 6,
+ h + self.pensize * self.tw.coord_scale + 6)
+ self.right(a, False)
+ self.xcor = cx - r * cos(self.heading * DEGTOR)
+ self.ycor = cy + r * sin(self.heading * DEGTOR)
+ if self.tw.saving_svg and self.pendown:
+ self.tw.svg_string += self.svg.new_path(oldx,
+ self.height / 2 - oldy)
+ self.tw.svg_string += self.svg.arc_to(self.xcor,
+ self.height / 2 - self.ycor,
+ r, a, 0, s)
+ self.tw.svg_string += "\"\n"
+ self.tw.svg_string += self.svg.style()
+
+ def larc(self, a, r):
+ """ draw a counter-clockwise arc """
+ if r < 0:
+ r = -r
+ a = -a
+ s = 1
+ else:
+ s = 0
+ oldx, oldy = self.xcor, self.ycor
+ cx = self.xcor - r * cos(self.heading * DEGTOR)
+ cy = self.ycor + r * sin(self.heading * DEGTOR)
+ x = self.width / 2 + int(cx-r)
+ y = self.height / 2 - int(cy+r)
+ w = int(2 * r)
+ h = w
+ if self.pendown:
+ self.canvas.images[0].draw_arc(self.gc, False, x, y, w, h,
+ int(360 - self.heading) * 64,
+ int(a) * 64)
+ self.invalt(x - self.pensize * self.tw.coord_scale / 2 - 3,
+ y - self.pensize * self.tw.coord_scale / 2 - 3,
+ w + self.pensize * self.tw.coord_scale + 6,
+ h + self.pensize * self.tw.coord_scale + 6)
+ self.right(-a, False)
+ self.xcor = cx + r * cos(self.heading * DEGTOR)
+ self.ycor = cy - r * sin(self.heading * DEGTOR)
+ if self.tw.saving_svg and self.pendown:
+ self.tw.svg_string += self.svg.new_path(oldx, self.height / 2-oldy)
+ self.tw.svg_string += self.svg.arc_to(self.xcor,
+ self.height / 2-self.ycor,
+ r, a, 0, s)
+ self.tw.svg_string += "\"\n"
+ self.tw.svg_string += self.svg.style()
+
+ def setxy(self, x, y, share=True):
+ """ Move turtle to position x,y """
+ x *= self.tw.coord_scale
+ y *= self.tw.coord_scale
+ try:
+ self.xcor, self.ycor = x, y
+ except TypeError, ValueError:
+ _logger.debug("bad value sent to %s" % (__name__))
+ return
+ self.move_turtle()
+ if self.tw.sharing() and share:
+ self.tw.activity.send_event("x|%s" % \
+ (data_to_string([self.tw.nick, [round_int(x), round_int(y)]])))
+
+ def setpensize(self, ps, share=True):
+ """ Set the pen size """
+ try:
+ if ps < 0:
+ ps = 0
+ self.pensize = ps
+ except TypeError, ValueError:
+ _logger.debug("bad value sent to %s" % (__name__))
+ return
+ self.tw.active_turtle.set_pen_size(ps)
+ self.gc.set_line_attributes(int(self.pensize*self.tw.coord_scale),
+ gtk.gdk.LINE_SOLID, gtk.gdk.CAP_ROUND, gtk.gdk.JOIN_MITER)
+ self.svg.set_stroke_width(self.pensize)
+ if self.tw.sharing() and share:
+ self.tw.activity.send_event("w|%s" % \
+ (data_to_string([self.tw.nick, round_int(ps)])))
+
+ def setcolor(self, c, share=True):
+ """ Set the pen color """
+ try:
+ self.color = c
+ self.tcolor = c
+ except TypeError, ValueError:
+ _logger.debug("bad value sent to %s" % (__name__))
+ return
+ self.tw.active_turtle.set_color(c)
+ self.set_fgcolor()
+ self.set_textcolor()
+ if self.tw.sharing() and share:
+ self.tw.activity.send_event("c|%s" % \
+ (data_to_string([self.tw.nick, round_int(c)])))
+
+ def setgray(self, g, share=True):
+ """ Set the gray level """
+ try:
+ self.gray = g
+ except TypeError, ValueError:
+ _logger.debug("bad value sent to %s" % (__name__))
+ return
+ if self.gray < 0:
+ self.gray = 0
+ if self.gray > 100:
+ self.gray = 100
+ self.set_fgcolor()
+ self.set_textcolor()
+ self.tw.active_turtle.set_gray(self.gray)
+ if self.tw.sharing() and share:
+ self.tw.activity.send_event("g|%s" % \
+ (data_to_string([self.tw.nick, round_int(self.gray)])))
+
+ def settextcolor(self, c):
+ """ Set the text color """
+ try:
+ self.tcolor = c
+ except TypeError, ValueError:
+ _logger.debug("bad value sent to %s" % (__name__))
+ return
+ self.set_textcolor()
+
+ def settextsize(self, c):
+ """ Set the text size """
+ try:
+ self.tw.textsize = c
+ except TypeError, ValueError:
+ _logger.debug("bad value sent to %s" % (__name__))
+
+ def setshade(self, s, share=True):
+ """ Set the color shade """
+ try:
+ self.shade = s
+ except TypeError, ValueError:
+ _logger.debug("bad value sent to %s" % (__name__))
+ return
+ self.tw.active_turtle.set_shade(s)
+ self.set_fgcolor()
+ self.set_textcolor()
+ if self.tw.sharing() and share:
+ self.tw.activity.send_event("s|%s" % \
+ (data_to_string([self.tw.nick, round_int(s)])))
+
+ def fillscreen(self, c, s):
+ """ Fill screen with color/shade and reset to defaults """
+ oldc, olds = self.color, self.shade
+ self.setcolor(c, False)
+ self.setshade(s, False)
+ rect = gtk.gdk.Rectangle(0, 0, self.width, self.height)
+ self.gc.set_foreground(self.fgcolor)
+ self.bgrgb = self.fgrgb[:]
+ self.canvas.images[0].draw_rectangle(self.gc, True, *rect)
+ self.invalt(0, 0, self.width, self.height)
+ self.setcolor(oldc, False)
+ self.setshade(olds, False)
+ self.tw.svg_string = ''
+ self.svg.reset_min_max()
+ self.fill = False
+ self.poly_points = []
+
+ def set_fgcolor(self):
+ """ Set the foreground color """
+ if self.color == WHITE or self.shade == WHITE:
+ r = 0xFF00
+ g = 0xFF00
+ b = 0xFF00
+ elif self.color == BLACK or self.shade == BLACK:
+ r = 0x0000
+ g = 0x0000
+ b = 0x0000
+ else:
+ sh = (wrap100(self.shade) - 50) / 50.0
+ rgb = color_table[wrap100(self.color)]
+ r = (rgb >> 8) & 0xff00
+ r = calc_gray(r, self.gray)
+ r = calc_shade(r, sh)
+ g = rgb & 0xff00
+ g = calc_gray(g, self.gray)
+ g = calc_shade(g, sh)
+ b = (rgb << 8) & 0xff00
+ b = calc_gray(b, self.gray)
+ b = calc_shade(b, sh)
+ self.fgrgb = [r >> 8, g >> 8, b >> 8]
+ self.fgcolor = self.cm.alloc_color(r, g, b)
+ self.svg.set_stroke_color("#%02x%02x%02x" % (self.fgrgb[0],
+ self.fgrgb[1],
+ self.fgrgb[2]))
+
+ def set_textcolor(self):
+ """ Set the text color """
+ sh = (wrap100(self.shade) - 50) / 50.0
+ rgb = color_table[wrap100(self.tcolor)]
+ r, g, b = (rgb >> 8) & 0xff00, rgb & 0xff00, (rgb << 8) & 0xff00
+ r, g, b = calc_shade(r, sh), calc_shade(g, sh), calc_shade(b, sh)
+ self.tw.textcolor = self.cm.alloc_color(r, g, b)
+
+ def setpen(self, bool, share=True):
+ """ Lower or raise the pen """
+ self.pendown = bool
+ if self.tw.sharing() and share:
+ self.tw.activity.send_event("p|%s" % \
+ (data_to_string([self.tw.nick, bool])))
+
+ def draw_pixbuf(self, pixbuf, a, b, x, y, w, h, path):
+ """ Draw a pixbuf """
+ w *= self.tw.coord_scale
+ h *= self.tw.coord_scale
+ self.canvas.images[0].draw_pixbuf(self.gc, pixbuf, a, b, x, y)
+ self.invalt(x, y, w, h)
+ if self.tw.saving_svg:
+ if self.tw.running_sugar:
+ # In Sugar, we need to embed the images inside the SVG
+ self.tw.svg_string += self.svg.image(x - self.width / 2,
+ y, w, h, path,
+ image_to_base64(pixbuf,
+ self.tw.activity))
+ else:
+ self.tw.svg_string += self.svg.image(x - self.width / 2,
+ y, w, h, path)
+
+ def draw_text(self, label, x, y, size, w):
+ """ Draw text """
+ w *= self.tw.coord_scale
+ self.gc.set_foreground(self.tw.textcolor)
+ fd = pango.FontDescription('Sans')
+ try:
+ fd.set_size(int(size * self.tw.coord_scale) * pango.SCALE)
+ except TypeError, ValueError:
+ _logger.debug("bad value sent to %s" % (__name__))
+ return
+ if self.tw.interactive_mode:
+ if type(label) == str or type(label) == unicode:
+ pl = self.tw.window.create_pango_layout(label.replace("\0",
+ " "))
+ elif type(label) == float or type(label) == int:
+ pl = self.tw.window.create_pango_layout(str(label))
+ else:
+ pl = self.tw.window.create_pango_layout(str(label))
+ pl.set_font_description(fd)
+ pl.set_width(int(w) * pango.SCALE)
+ self.canvas.images[0].draw_layout(self.gc, int(x), int(y), pl)
+ w, h = pl.get_pixel_size()
+ self.invalt(x, y, w, h)
+ else: # pixmap doesn't support pango
+ message = str(label).replace("\0"," ")
+ context = self.canvas.images[0].cairo_create()
+ context.set_font_size(size)
+ q, k, w, h = context.text_extents(message)[:4]
+ context.set_source_rgb(0, 0, 0)
+ context.move_to(x, y + h)
+ context.show_text(message)
+
+ if self.tw.saving_svg and self.pendown:
+ self.tw.svg_string += self.svg.text(x - self.width / 2,
+ y + size,
+ size, w, label)
+
+ def draw_line(self, x1, y1, x2, y2):
+ """ Draw a line """
+ x1, y1 = self.width / 2 + int(x1), self.height / 2 - int(y1)
+ x2, y2 = self.width / 2 + int(x2), self.height / 2 - int(y2)
+ if x1 < x2:
+ minx, maxx = x1, x2
+ else:
+ minx, maxx = x2, x1
+ if y1 < y2:
+ miny, maxy = y1, y2
+ else:
+ miny, maxy = y2, y1
+ w, h = maxx-minx, maxy-miny
+ self.canvas.images[0].draw_line(self.gc, x1, y1, x2, y2)
+ if self.fill and self.poly_points == []:
+ self.poly_points.append((x1, y1))
+ if self.fill:
+ self.poly_points.append((x2, y2))
+ self.invalt(minx - self.pensize * self.tw.coord_scale / 2 - 3,
+ miny - self.pensize * self.tw.coord_scale / 2 - 3,
+ w + self.pensize * self.tw.coord_scale + 6,
+ h + self.pensize * self.tw.coord_scale + 6)
+
+ def turn_turtle(self):
+ """ Change the orientation of the turtle """
+ self.tw.active_turtle.set_heading(self.heading)
+
+ def move_turtle(self):
+ """ Move the turtle """
+ x, y = self.width / 2 + int(self.xcor), self.height / 2 - int(self.ycor)
+ self.tw.active_turtle.move((self.cx + x - 28, self.cy + y - 30))
+
+ def invalt(self, x, y, w, h):
+ """ Mark a region for refresh """
+ if self.tw.interactive_mode:
+ self.tw.area.invalidate_rect(gtk.gdk.Rectangle(int(x + self.cx),
+ int(y + self.cy),
+ int(w), int(h)),
+ False)
+
+ def set_turtle(self, k, colors=None):
+ """ Select the current turtle and associated pen status """
+ if not self.tw.turtles.dict.has_key(k):
+ # if it is a new turtle, start it in the center of the screen
+ self.tw.active_turtle = self.tw.turtles.get_turtle(k, True, colors)
+ self.seth(0, False)
+ self.setxy(0, 0, False)
+ self.tw.active_turtle.set_pen_state(True)
+ self.tw.active_turtle = self.tw.turtles.get_turtle(k, False)
+ tx, ty = self.tw.active_turtle.get_xy()
+ self.xcor = -self.width / 2 + tx + 28
+ self.ycor = self.height / 2 - ty - 30
+ self.heading = self.tw.active_turtle.get_heading()
+ self.setcolor(self.tw.active_turtle.get_color(), False)
+ self.setgray(self.tw.active_turtle.get_gray(), False)
+ self.setshade(self.tw.active_turtle.get_shade(), False)
+ self.setpensize(self.tw.active_turtle.get_pen_size(), False)
+ self.setpen(self.tw.active_turtle.get_pen_state(), False)
+
+ def svg_close(self):
+ """ Close current SVG graphic """
+ if self.tw.svg_string == '':
+ return
+ self.svg.calc_w_h(False)
+ self.tw.svg_string = "%s%s%s%s" % (self.svg.header(True),
+ self.svg.background("#%02x%02x%02x" %\
+ (self.bgrgb[0], self.bgrgb[1], self.bgrgb[2])),
+ self.tw.svg_string, self.svg.footer())