def __init__(self, w, h): surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, w, h) context = cairo.Context(surface) context.rectangle(0, 0, w, h) context.set_source_rgb(1, 1, 1) context.fill() context.translate(w/2.0, h/2.0) context.set_source_rgb(0, 0, 0) lib.parse_svg_path(HEART).scale(w/24.0, w/24.0).draw(context) context.fill() self.surface = surface
def draw_heart(context, w, h): context.translate(w/2.0, h/2.0) context.set_source_rgb(0, 0, 0) lib.parse_svg_path(HEART).scale(w/24.0, w/24.0).draw(context) context.fill()
def main():
parser = optparse.OptionParser()
parser.add_option('--seed', default=create_seed(), dest='seed', help='')
parser.add_option('--fmt', default='pdf', dest='fmt', help='')
parser.add_option('--ny', default=250, dest='ny', type='int', help='')
parser.add_option('--debug', default=False, action='store_true', help='')
opts, args = parser.parse_args()
print('seed = %s' % opts.seed)
random.seed(opts.seed)
debug_color = color_of(0x00, 0x99, 0xff)
w, h = 24 * 72, 36 * 72
pad = Pad(h/32, h/32, h/32, h/32)
surface = lib.create_surface(opts.fmt, os.path.basename(__file__), w, h)
context = cairo.Context(surface)
vw, vh = w - pad.l - pad.r, h - pad.t - pad.b
context.rectangle(0, 0, w, h)
context.set_source_rgb(1.0, 1.0, 1.0)
context.fill()
bg_sketcher = Sketcher(5.0, 1.0, 300)
context.save()
context.rectangle(pad.l, pad.t, vw, vh)
context.clip()
draw_hatches(context,
pad.l,
pad.t,
vw,
vh,
opts.ny,
color_of(0x44, 0x44, 0x44, 1.0),
bg_sketcher.draw)
context.restore()
scale = vw/24.0
path = lib.parse_svg_path(HEART).scale(scale, scale)
context.save()
context.translate(w/2.0, h/2.0)
path.draw(context)
context.set_source_rgba(*color_of(0xff, 0xff, 0xff, 1.0))
context.fill()
context.set_line_width(10.0)
path.draw(context)
context.set_source_rgba(*color_of(0xff, 0xff, 0xff, 1.0))
context.stroke()
context.restore()
context.save()
context.translate(w/2.0, h/2.0)
path.draw(context)
context.clip()
ht_sketcher = Sketcher(10.0, 1.0, 250)
draw_hatches(context,
-scale*10,
-scale*10,
scale*20,
scale*20,
int(opts.ny * 0.6),
color_of(0xff, 0x00, 0x00, 1.0),
ht_sketcher.draw)
context.restore()
# context.save()
# context.set_line_width(8.0)
# context.rectangle(pad.l, pad.t, vw, vh)
# context.set_source_rgb(*color_of(0x33, 0x33, 0x33))
# context.stroke()
# context.restore()
if opts.debug:
context.move_to(w / 2.0, 0)
context.line_to(w / 2.0, h)
context.set_source_rgb(*debug_color)
context.stroke()
context.move_to(0, h / 2.0)
context.line_to(w, h / 2.0)
context.set_source_rgb(*debug_color)
context.stroke()
lib.commit(surface, os.path.basename(__file__) + '.png')
