diff options
Diffstat (limited to 'tacanvas.py')
| -rw-r--r-- | tacanvas.py | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/tacanvas.py b/tacanvas.py index dc325d3..28656aa 100644 --- a/tacanvas.py +++ b/tacanvas.py @@ -41,6 +41,11 @@ def calc_shade(c, s): return int(c*(1+s*.8)) return int(c+(65536-c)*s*.9) +def calc_gray(c, g): + if g == 100: + return c + return int(((c*g)+(32768*(100-g)))/100) + colors = {} DEGTOR = 2*pi/360 @@ -96,6 +101,7 @@ class TurtleGraphics: self.pensize = 5 self.tcolor = 0 self.color = 0 + self.gray = 100 self.fill = False self.poly_points = [] self.svg = SVG() @@ -139,6 +145,7 @@ class TurtleGraphics: 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) @@ -322,6 +329,22 @@ class TurtleGraphics: self.tw.activity.send_event("c|%s" % \ (data_to_string([self.tw.nick, round_int(c)]))) + def setgray(self, g, share=True): + try: + self.gray = g + except: + pass + 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): try: self.tcolor = c @@ -367,6 +390,8 @@ class TurtleGraphics: sh = (wrap100(self.shade) - 50)/50.0 rgb = color_table[wrap100(self.color)] r, g, b = (rgb>>8)&0xff00, rgb&0xff00, (rgb<<8)&0xff00 + r, g, b = calc_gray(r, self.gray), calc_gray(g, self.gray),\ + calc_gray(b, self.gray) r, g, b = calc_shade(r, sh), calc_shade(g, sh), calc_shade(b, sh) self.fgrgb = [r>>8, g>>8, b>>8] self.fgcolor = self.cm.alloc_color(r, g, b) @@ -472,6 +497,7 @@ class TurtleGraphics: 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) |