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#!/usr/bin/python
import py2geom
import toyframework
import random,gtk
from py2geom_glue import *
def cairo_region(cr, r):
cr.save()
cr.set_source_rgba(0, 0, 0, 1);
if not r.isFill():
pass#cr.set_dash([]1, 0)
cairo_path(cr, r)
cr.fill()
cr.restore()
def cairo_regions(cr, p):
for j in p:
cairo_region(cr, j)
def cairo_shape(cr, s):
cairo_regions(cr, s.getContent())
def cleanup(ps):
pw = py2geom.paths_to_pw(ps)
centre, area = py2geom.centroid(pw)
if(area > 1):
return py2geom.sanitize(ps) * py2geom.Translate(-centre)
else:
return py2geom.sanitize(ps)
class LoadSVGD(toyframework.Toy):
def __init__(self):
toyframework.Toy.__init__(self)
self.bs = []
self.offset_handle = toyframework.PointHandle(0,0)
self.handles.append(self.offset_handle)
def draw(self, cr, pos, save):
t = py2geom.Translate(*self.offset_handle.pos)
#self.paths_b[0] * t
m = py2geom.Matrix()
m.setIdentity()
bst = self.bs * (m * t)
#bt = Region(b * t, b.isFill())
cr.set_line_width(1)
cairo_shape(cr, bst)
toyframework.Toy.draw(self, cr, pos, save)
def first_time(self, argv):
path_b_name="star.svgd"
if len(argv) > 1:
path_b_name = argv[1]
self.paths_b = py2geom.read_svgd(path_b_name)
bounds = py2geom.bounds_exact(self.paths_b)
self.offset_handle.pos = bounds.midpoint() - bounds.corner(0)
self.bs = cleanup(self.paths_b)
t = LoadSVGD()
import sys
toyframework.init(sys.argv, t, 500, 500)
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