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# Copyright 2008 by Peter Moxhay and Wade Brainerd.
# This file is part of Math.
#
# Math is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Math 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Math. If not, see <http://www.gnu.org/licenses/>.
from objectarea import Object
from draggableobject import DraggableObject
from vector import Vector
import gtk, math, rsvg
MOON_SVG = rsvg.Handle('moon.svg')
OVAL_SVG = rsvg.Handle('oval.svg')
from movableobject import MovableObject
# Class containing various standard colors. Each color is a 3 element tuple.
class Color:
BLUE = (0.25, 0.25, 0.75)
GREEN = (0.25, 0.75, 0.25)
RED = (0.75, 0.25, 0.25)
class GroupObject(MovableObject):
"""Draggable group of discrete shapes."""
def __init__(self, pos, size, color1, shape1_name, color2, shape2_name, shape1_in_pair, container):
MovableObject.__init__(self)
self.pos = pos
self.size = size
self.selectable = True
self.rotatable = False
self.color1 = color1
self.color2 = color2
self.shape1 = shape1_name
self.shape2 = shape2_name
self.shape1_in_pair = shape1_in_pair
self.container = container
self.amount_scale = 1.0
def draw(self, cr):
cr.scale(self.amount_scale, self.amount_scale)
self.draw_moon(cr, Vector (-20, 100), Vector (1.1, 1.2))
if self.shape1_in_pair:
self.draw_oval(cr, Vector(15, -1), Vector(1.82, 1.4))
if self.shape1 == 'circle':
self.draw_circle(cr, Vector(50 + 25, 50), self.color1)
elif self.shape1 == 'square':
self.draw_square(cr, Vector(18 + 25, 18), self.color1)
else:
self.draw_triangle(cr, Vector(9 + 25, 83), self.color1)
if self.shape2 == 'circle':
self.draw_circle(cr, Vector(50 + 25, 150), self.color2)
elif self.shape2 == 'square':
self.draw_square(cr, Vector(18 + 25, 118), self.color2)
else:
self.draw_triangle(cr, Vector(9 + 25, 183), self.color2)
if self.shape1_in_pair:
if self.shape1 == 'circle':
self.draw_circle(cr, Vector(50 + 25 + 100, 50), self.color1)
elif self.shape1 == 'square':
self.draw_square(cr, Vector(18 + 25 + 100, 18), self.color1)
else:
self.draw_triangle(cr, Vector(9 + 25 + 100, 83), self.color1)
def get_bounds(self):
if self.shape1_in_pair:
return (self.pos + Vector(-30, 0)).scaled(self.amount_scale), (self.pos + Vector(200, 200)).scaled(self.amount_scale)
else:
return (self.pos + Vector(-30, 0)).scaled(self.amount_scale), (self.pos + Vector(100, 200)).scaled(self.amount_scale)
#def get_bounds(self):
#if self.shape1_in_pair:
# return self.pos + Vector(-30, 0), self.pos + Vector(200, 200)
#else:
# return self.pos + Vector(-30, 0), self.pos + Vector(100, 200)
def draw_circle(self, cr, pos, color):
cr.save()
# Draw the fill.
#cr.set_source_rgb(color[0], color[1], color[2])
if self.selected:
cr.set_source_rgb(color[0]*1.6, color[1]*1.6, color[2]*1.6)
else:
cr.set_source_rgb(color[0], color[1], color[2])
cr.arc(self.pos.x + pos.x, self.pos.y + pos.y, 35, 0.0, 2.0 * math.pi)
cr.fill()
# Draw the outline.
#cr.set_source_rgb(color[0]*0.75, color[1]*0.75, color[2]*0.75)
if self.selected:
cr.set_dash((10, 10), 0)
cr.set_source_rgb(color[0]*0.75, color[1]*0.75, color[2]*0.75)
cr.set_line_width(4.0)
cr.arc(self.pos.x + pos.x, self.pos.y + pos.y, 35, 0.0, 2.0 * math.pi)
cr.stroke()
cr.restore()
def draw_moon(self, cr, pos, scale):
cr.save()
cr.translate(self.pos.x - 20, self.pos.y + 62)
cr.scale(0.7, 0.7)
MOON_SVG.render_cairo(cr)
cr.restore()
def draw_oval(self, cr, pos, scale):
cr.save()
cr.translate(self.pos.x + 16, self.pos.y)
cr.scale(1.42, 1.24)
OVAL_SVG.render_cairo(cr)
cr.restore()
def draw_square(self, cr, pos, color):
square_side = 65
SQUARE = [ Vector(0, 0), Vector(square_side, 0), Vector(square_side, square_side), Vector(0, square_side) ]
cr.save()
# Draw the fill.
cr.move_to(self.pos.x + pos.x + SQUARE[0].x, self.pos.y + pos.y + SQUARE[0].y)
cr.line_to(self.pos.x + pos.x + SQUARE[1].x, self.pos.y + pos.y + SQUARE[1].y)
cr.line_to(self.pos.x + pos.x + SQUARE[2].x, self.pos.y + pos.y + SQUARE[2].y)
cr.line_to(self.pos.x + pos.x + SQUARE[3].x, self.pos.y + pos.y + SQUARE[3].y)
cr.close_path()
# Draw the fill.
#cr.set_source_rgb(color[0], color[1], color[2])
if self.selected:
cr.set_source_rgb(color[0]*1.6, color[1]*1.6, color[2]*1.6)
else:
cr.set_source_rgb(color[0], color[1], color[2])
cr.fill()
# Draw the outline.
#cr.set_source_rgb(color[0]*0.75, color[1]*0.75, color[2]*0.75)
if self.selected:
cr.set_dash((10, 10), 0)
cr.set_source_rgb(color[0]*0.75, color[1]*0.75, color[2]*0.75)
cr.set_line_width(4.0)
cr.move_to(self.pos.x + pos.x + SQUARE[0].x, self.pos.y + pos.y + SQUARE[0].y)
cr.line_to(self.pos.x + pos.x + SQUARE[1].x, self.pos.y + pos.y + SQUARE[1].y)
cr.line_to(self.pos.x + pos.x + SQUARE[2].x, self.pos.y + pos.y + SQUARE[2].y)
cr.line_to(self.pos.x + pos.x + SQUARE[3].x, self.pos.y + pos.y + SQUARE[3].y)
cr.close_path()
cr.stroke()
cr.restore()
def draw_triangle(self, cr, pos, color):
triangle_side = 80
TRIANGLE = [ Vector(0, 0), Vector(triangle_side/2, -triangle_side * math.sqrt(3)/2), Vector(triangle_side, 0) ]
cr.save()
# Draw the fill.
cr.move_to(self.pos.x + pos.x + TRIANGLE[0].x, self.pos.y + pos.y + TRIANGLE[0].y)
cr.line_to(self.pos.x + pos.x + TRIANGLE[1].x, self.pos.y + pos.y + TRIANGLE[1].y)
cr.line_to(self.pos.x + pos.x + TRIANGLE[2].x, self.pos.y + pos.y + TRIANGLE[2].y)
cr.close_path()
# Draw the fill.
#cr.set_source_rgb(color[0], color[1], color[2])
if self.selected:
cr.set_source_rgb(color[0]*1.6, color[1]*1.6, color[2]*1.6)
else:
cr.set_source_rgb(color[0], color[1], color[2])
cr.fill()
# Draw the outline.
#cr.set_source_rgb(color[0]*0.75, color[1]*0.75, color[2]*0.75)
if self.selected:
cr.set_dash((10, 10), 0)
cr.set_source_rgb(color[0]*0.75, color[1]*0.75, color[2]*0.75)
cr.set_line_width(4.0)
cr.move_to(self.pos.x + pos.x + TRIANGLE[0].x, self.pos.y + pos.y + TRIANGLE[0].y)
cr.line_to(self.pos.x + pos.x + TRIANGLE[1].x, self.pos.y + pos.y + TRIANGLE[1].y)
cr.line_to(self.pos.x + pos.x + TRIANGLE[2].x, self.pos.y + pos.y + TRIANGLE[2].y)
cr.close_path()
cr.stroke()
cr.restore()
def draw_rounded_rectangle(self, cr, w, h, pos):
self.width, self.height = w, h
rounded = 20
cr.save()
# Make the path of rounded rectangle.
cr.move_to(pos.x + rounded, pos.y)
cr.line_to(pos.x + w - rounded, pos.y)
cr.arc(pos.x + w - rounded, pos.y + rounded, rounded, -math.pi/2, 0)
cr.line_to(pos.x + w, pos.y + h - rounded)
cr.arc(pos.x + w - rounded, pos.y + h - rounded, rounded, 0, math.pi/2)
cr.line_to(pos.x + rounded, pos.y + h)
cr.arc(pos.x + rounded, pos .y + h - rounded, rounded, math.pi/2, math.pi)
cr.line_to(pos.x, pos.y + rounded)
cr.arc(pos.x + rounded, pos.y + rounded, rounded, math.pi, 3 * math.pi/2)
cr.close_path()
# Draw the outline.
cr.set_source_rgb(0,0,0)
cr.set_line_width(4.0)
if self.selected:
cr.set_dash((10, 10), 0)
cr.stroke()
cr.restore()
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