def main():
parser = lib.create_options()
opts, args = parser.parse_args()
w, h = 24 * 72, 36 * 72
surface = lib.create_surface(opts.fmt, os.path.basename(__file__), w, h)
context = cairo.Context(surface)
context.set_source_rgb(1, 1, 1)
context.rectangle(0, 0, w, h)
context.fill()
pctx = pangocairo.CairoContext(context)
pctx.set_antialias(cairo.ANTIALIAS_SUBPIXEL)
layout = pctx.create_layout()
layout.set_font_description(
create_font_desc())
layout.set_text('12')
context.set_source_rgb(*color_of(0x0099ff))
pctx.update_layout(layout)
pctx.show_layout(layout)
ink_rect, log_rect = layout.get_pixel_extents()
context.rectangle(*ink_rect)
context.set_source_rgba(*color_of(0x333333, a=0.5))
context.stroke()
context.rectangle(*log_rect)
context.set_source_rgba(*color_of(0x333333, a=0.5))
context.stroke()
lib.commit(surface, os.path.basename(__file__) + '.png')
def create_image_data(w, h): surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, w, h) context = cairo.Context(surface) lib.commit(surface, 'junk.png') return surface.get_data()
def main():
parser = lib.create_options()
parser.add_option('--size', default=20, dest='size', type='int',
help='')
opts, args = parser.parse_args()
w, h = 24 * 72, 36 * 72
pad = Padding(w/16.0, w/16.0, w/16.0, w/16.0)
vw = w - pad.l - pad.r
vh = h - pad.t - pad.b
surface = lib.create_surface(opts.fmt, os.path.basename(__file__), w, h)
context = cairo.Context(surface)
context.rectangle(0, 0, w, h)
context.set_source_rgb(*color_of(0xffffff))
context.fill()
nx = int(math.ceil(vw / float(opts.size)))
ny = int(math.ceil(vh / float(opts.size)))
mask = HeartMask(nx, ny)
for j in range(ny):
for i in range(nx):
r, g, b = rgb_of(mask.pixel_at(i, j))
if luminance(r, g, b) < 0.5:
draw_doodle_dah(context,
pad.l + i*opts.size + opts.size/2.0,
pad.t + j*opts.size + opts.size/2.0,
i / 8.0,
j / 8.0,
opts.size*0.3)
else:
draw_empty_spot(context,
pad.l + i*opts.size + opts.size/2.0,
pad.t + j*opts.size + opts.size/2.0,
i / 8.0,
j / 8.0,
opts.size*0.3)
context.set_source_rgb(*color_of(0x333333))
context.arc(
pad.l + i*opts.size + opts.size/2.0,
pad.t + j*opts.size + opts.size/2.0,
opts.size * 0.1,
0,
2*math.pi)
context.fill()
lib.commit(surface, os.path.basename(__file__) + '.png')
def main(): w, h = 1600, 600 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() size = 20 nx, ny = w / size, h / size cx = w/2.0 cy = h/2.0 for y in range(ny + 1): for x in range(nx + 1): px = x*size + size/2 py = y*size + size/2 dx, dy = 0, 0 d = dist(cx, cy, px, py) if d < 200: dx = 20 * (px - cx) / d dy = 20 * (py - cy) / d context.arc(px + dx, py + dy, 0.6 * size/2, 0, 2*math.pi) context.set_source_rgb(0, 0.6, 0.9) context.fill() context.arc(px + dx, py + dy, 0.6 * size/2, 0, 2*math.pi) context.set_source_rgb(0.5, 0.5, 0.5) context.stroke() lib.commit(surface, 'test.png') return 0
def main(): w, h = 1600, 600 surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, w, h) context = cairo.Context(surface) nx = 25 dx = w / nx print 'dx = %f' % dx context.rectangle(0, 0, w, h) context.set_source_rgb(0.1, 0.1, 0.1) context.fill() for x in range(nx): bx = x*dx + dx/2 if (x & 1) == 1: context.move_to(bx, 0) context.line_to(bx, h) context.set_source_rgb(1, 1, 1) context.stroke() else: # generate a random number of points ny = random.randint(3, 10) # ny = int(math.pow(2, random.randint(1, 3))) dy = h / ny # create a random walk walk = random_walk(dx / 4.0) pts = [(bx + next(walk), y*dy) for y in range(ny+1)] # draw the lines context.set_line_width(4) lx, ly = pts[0] context.move_to(lx, ly) for x, y in pts[1:]: my = (y - ly) * 0.75 context.curve_to( lx, ly + my, x, y - my, x, y) # context.line_to(x, y) lx, ly = x, y context.set_source_rgb(1, 1, 1) context.stroke() # highlight the verticies context.set_line_width(4) for pt in pts[1:-1]: context.arc(pt[0], pt[1], 8, 0, 2 * math.pi) context.set_source_rgb(0, 0, 0) context.fill() context.arc(pt[0], pt[1], 8, 0, 2 * math.pi) context.set_source_rgb(1, 1, 1) context.stroke() lib.commit(surface, os.path.basename(__file__) + '.png')
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('--nx', default=100, dest='nx', type='int', help='')
opts, args = parser.parse_args()
print('seed = %s' % opts.seed)
random.seed(opts.seed)
w, h = 16 * 72, 10 * 72
surface = lib.create_surface(opts.fmt, os.path.basename(__file__), w, h)
context = cairo.Context(surface)
context.rectangle(0, 0, w, h)
context.set_source_rgb(1, 1, 1)
context.fill()
pad = w/16.0
pa = Pt(pad, pad + (h - 2*pad) * random.random())
pb = Pt(w - pad, pad + (h - 2*pad) * random.random())
dx = pb.x - pa.x
dy = pb.y - pa.y
n = math.sqrt(dx*dx + dy*dy)
m = dy / dx
context.move_to(pa.x, pa.y)
context.line_to(pb.x, pb.y)
context.set_source_rgb(*color_of(0xaa, 0xaa, 0xaa))
context.stroke()
di = dx / opts.nx
context.set_line_width(1.0)
context.set_source_rgb(*color_of(0xee, 0xee, 0xee))
for i in range(opts.nx + 1):
context.move_to(pa.x + di*i, pad)
context.line_to(pa.x + di*i, h - 2*pad)
context.stroke()
dj = 0.0
r = 5
pts = []
for i in range(opts.nx + 1):
x = di*i
pts.append(Pt(pa.x + x, x*m + pa.y + r*noise.pnoise1(x/10.0, 1)))
#pts.append(Pt(pa.x + x, x*m + pa.y + dj))
#dj = max(min(dj + random.random()*r - r/2.0, r), -r)
context.move_to(pts[0].x, pts[0].y)
for i in range(1, len(pts)):
# context.line_to(pts[i].x, pts[i].y)
a = pts[i - 1]
b = pts[i]
context.curve_to(
a.x + di/2.0, a.y,
b.x - di/2.0, b.y,
b.x, b.y)
context.set_source_rgb(*color_of(0xff, 0x00, 0xff))
context.stroke()
lib.commit(surface, os.path.basename(__file__) + '.png')
def main():
parser = lib.create_options()
parser.add_option('--size', default=10, dest='size', type='int',
help='')
opts, args = parser.parse_args()
w, h = 24 * 72, 36 * 72
pad = Padding(w/16.0, w/16.0, w/16.0, w/16.0)
vw = w - pad.l - pad.r
vh = h - pad.t - pad.b
surface = lib.create_surface(opts.fmt, os.path.basename(__file__), w, h)
context = cairo.Context(surface)
context.rectangle(0, 0, w, h)
context.set_source_rgb(*color_of(0xffffff))
context.fill()
nx = int(math.ceil(vw / float(opts.size)))
ny = int(math.ceil(vh / float(opts.size)))
heart_mask = Mask(nx, ny, draw_heart)
text_mask = Mask(nx, ny, draw_text)
for j in range(ny):
for i in range(nx):
a = text_mask.pixel_at(i, j)
if a > 128:
# context.set_source_rgb(*color_of(0xb3351a))
# context.set_source_rgb(*color_of(0xef826b))
context.set_source_rgb(*color_of(0x999999))
context.arc(
pad.l + i*opts.size + opts.size/2.0,
pad.t + j*opts.size + opts.size/2.0,
opts.size * 0.15,
0,
2*math.pi)
context.fill()
continue
a = heart_mask.pixel_at(i, j)
if a > 128:
context.set_source_rgb(*color_of(0xef4723))
context.arc(
pad.l + i*opts.size + opts.size/2.0,
pad.t + j*opts.size + opts.size/2.0,
opts.size * 0.2,
0,
2*math.pi)
context.fill()
continue
context.set_source_rgb(*color_of(0x999999))
context.arc(
pad.l + i*opts.size + opts.size/2.0,
pad.t + j*opts.size + opts.size/2.0,
opts.size * 0.1,
0,
2*math.pi)
context.fill()
if opts.debug:
draw_debug_lines(context, pad, vw, vh, 12)
lib.commit(surface, os.path.basename(__file__) + '.png')
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('--nx', default=10, dest='nx', help='')
opts, args = parser.parse_args()
print('seed = %s' % opts.seed)
random.seed(opts.seed)
w, h = 24 * 72, 36 * 72
pad = Pad(h/16, h/16, h/16, h/16)
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
nx = opts.nx
dx = vw / float(nx)
dy = dx / math.sin(math.pi / 3)
ny = int(math.ceil(vh / dx))
context.rectangle(0, 0, w, h)
context.set_source_rgb(*color_of(0x33, 0x33, 0x33))
context.fill()
context.rectangle(pad.l, pad.t, w - pad.l - pad.r, h - pad.t - pad.b)
context.set_source_rgb(*color_of(0xff, 0xff, 0xff))
context.fill()
context.rectangle(pad.l, pad.t, w - pad.l - pad.r, h - pad.t - pad.b)
context.clip()
idx = {}
for i in range(0, nx):
for j in range(0, ny):
idx[(i, j)] = True
colors = junk_colors(4, 0.1, 0.8, 0.5)[:10]
a = float(nx * ny)
while len(idx)/a > 0.15:
x = random.randint(-2, nx + 2)
y = random.randint(-2, ny + 2)
r = random.randint(2, 3)
for i in range(x, x + r):
for j in range(y, y + r):
if idx.has_key((i, j)):
del idx[(i, j)]
hexagon(context, pad.l + x * dx + dx/2.0, pad.t + y*dy + dy/2.0, r*dy - dy/2.0)
context.set_source_rgba(*random.choice(colors))
context.fill()
hexagon(context, pad.l + x * dx + dx/2.0, pad.t + y*dy + dy/2.0, r*dy - dy/2.0)
context.set_source_rgba(*color_of(0x00, 0x00, 0x00, 0.3))
context.stroke()
context.set_line_width(1.0)
for x in range(1, nx):
context.move_to(pad.l + x*dx, pad.t)
context.line_to(pad.l + x*dx, h - pad.b)
context.set_source_rgba(*color_of(0x99, 0x99, 0x99, 0.2))
context.stroke()
for y in range(1, ny):
context.move_to(pad.l, pad.t + y*dy)
context.line_to(w - pad.r, pad.t + y*dy)
context.set_source_rgba(*color_of(0x99, 0x99, 0x99, 0.2))
context.stroke()
for i, color in enumerate(colors):
print '%s %s %0.2f' % (color[:3], color_of(*color[:3]), luminance(*color[:3]))
context.rectangle(pad.l + 10 + i * 20, pad.t + 20, 20, 20)
context.set_source_rgb(*color[:3])
context.fill()
context.rectangle(pad.l + 10 + i * 20, pad.t + 20, 20, 20)
context.set_source_rgb(*color_of(0x33, 0x33, 0x33))
context.stroke()
lib.commit(surface, os.path.basename(__file__) + '.png')
def main():
bg_color = color_of(0xEF, 0x47, 0x23)
fg_color = color_of(0x33, 0x33, 0x33)
parser = optparse.OptionParser()
parser.add_option("--seed", default=create_seed(), dest="seed", help="")
parser.add_option("--fmt", default="pdf", dest="fmt", help="")
opts, args = parser.parse_args()
print("seed = %s" % opts.seed)
random.seed(opts.seed)
w, h = 24 * 72, 24 * 72
pad = Pad(h / 6, w / 12, h / 6, w / 12)
if opts.fmt == "pdf":
surface = cairo.PDFSurface(os.path.basename(__file__) + ".pdf", w, h)
elif opts.fmt == "svg":
surface = cairo.SVGSurface(os.path.basename(__file__) + ".svg", w, h)
else:
raise Error("invalid format: %s" % opts.fmt)
context = cairo.Context(surface)
nx = 8
dx = (w - pad.r - pad.l) / float(nx)
context.rectangle(0, 0, w, h)
context.set_source_rgb(*bg_color)
context.fill()
for x in range(nx + 1):
context.set_line_width(2)
context.move_to(pad.l + x * dx, 0)
context.line_to(pad.l + x * dx, h)
# context.set_source_rgb(*fg_color)
context.set_source_rgba(0x33 / 255.0, 0x33 / 255.0, 0x33 / 255.0, 0.6)
context.stroke()
for x in range(nx):
bx = x * dx + dx / 2
# generate a random number of points
ny = random.randint(4, 10)
dy = (h - pad.t - pad.b) / ny
# create a random walk
walk = random_walk(dx / 4.0)
pts = [(bx + next(walk) + pad.l, y * dy + pad.t) for y in range(ny + 1)]
# draw the lines
context.set_line_width(10)
lx, ly = pts[0]
context.move_to(lx, ly)
for x, y in pts[1:]:
my = (y - ly) * 0.75
context.curve_to(lx, ly + my, x, y - my, x, y)
lx, ly = x, y
context.set_source_rgb(*fg_color)
context.stroke()
# highlight the verticies
context.set_line_width(10)
for pt in pts:
context.arc(pt[0], pt[1], 24, 0, 2 * math.pi)
context.set_source_rgb(*bg_color)
context.fill()
context.arc(pt[0], pt[1], 24, 0, 2 * math.pi)
context.set_source_rgb(*fg_color)
context.stroke()
context.arc(pt[0], pt[1], 8, 0, 2 * math.pi)
context.set_source_rgb(*fg_color)
context.fill()
lib.commit(surface, os.path.basename(__file__) + ".png")
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')