# Copyright (C) 2006, Red Hat, Inc.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.

from SVGdraw import path

class Sketch:
    def __init__(self, rgb):
        self._points = []
        self._rgb = (float(rgb[0]), float(rgb[1]), float(rgb[2]))
    
    def add_point(self, x, y):
        self._points.append((x, y))

    def get_points(self):
        return self._points
        
    def draw(self, ctx):
        start = True
        for (x, y) in self._points:
            if start:
                ctx.move_to(x, y)
                start = False
            else:
                ctx.line_to(x, y)
        ctx.set_source_rgb(self._rgb[0], self._rgb[1], self._rgb[2])
        ctx.stroke()
    
    def draw_to_svg(self):
        i = 0
        for (x, y) in self._points:
            coords = str(x) + ' ' + str(y) + ' '
            if i == 0:
                path_data = 'M ' + coords
            elif i == 1:
                path_data += 'L ' + coords
            else:
                path_data += coords
            i += 1
        color = "#%02X%02X%02X" % (255 * self._rgb[0], 255 * self._rgb[1], 255 * self._rgb[2])
        return path(path_data, fill = 'none', stroke = color)