def main():
colors = {
'red' : '#f00',
'white' : '#fff',
}
float_colors = { }
for key, value in colors.items():
color = parse_color(value)
colors[key] = np.array([ color ], dtype=Pixel)
float_colors[key] = np.array(tuple(c / 255. for c in color), dtype=FloatPixel)
image = Tile((0, 0), (512, 512), sample_rate=4, dtype=FloatPixel)
image.buffer[:,:] = float_colors['white']
tile_width, tile_height = image.buffer.shape
mesh = MicropolygonMesh((1,1))
mesh_width, mesh_height = mesh.buffer.shape
margin = 16
width = 128
right = image.shape[0]
top = image.shape[1]
buffer = np.array([
[
(right - margin - width, top - margin, 1, 1, 1.5, 0, 0, 1),
(right - margin , top - margin, 1, 1, 0 , 0, 0, 1)
],
[
(margin , margin, 1, 1, .5, 0, 0, 1),
(margin + width, margin, 1, 1, 0 , 0, 0, 1)
],
],
dtype=np.float32
)
mesh.buffer.view(dtype=(np.float32, 8))[:] = buffer
fill_micropolygon_mesh(
mesh_width, mesh_height,
generate_numpy_begin(mesh.buffer),
tile_width, tile_height,
generate_numpy_begin(image.coordinate_image),
generate_numpy_begin(image.buffer)
)
buffer = array_view(image.downsample(1))
buffer = np.clip(buffer, 0., 1.)
buffer = (255. * buffer).astype(dtype=np.uint8)
save_array_as_image(pixel_view(buffer), 'render/002_micropolygon.tiff', 'RGBA')
def test_parse_color():
tests = [
('#f00', (255, 0, 0, 255)),
('0f0', (0, 255, 0, 255)),
('#00f0', (0, 0, 255, 0)),
('7f00', (119, 255, 0, 0)),
('#ff0000', (255, 0, 0, 255)),
('00f800', (0, 248, 0, 255)),
('#0000acac', (0, 0, 172, 172)),
('abcdef12', (171, 205, 239, 18)),
]
for input, expected in tests:
assert parse_color(input) == expected
def palette():
colors = {
'clear' : '#0000',
'white' : '#fff',
'red' : '#7f0000',
'black' : '#000',
'blue' : '#0000bf',
# 'blue' : '#0000ff',
'orange' : '#FF9701'
}
colors = {
key : np.array([c / 255. for c in parse_color(value)], dtype=np.float32)
for key, value
in colors.items()
}
return colors
def render_tile():
import random
mode = 'RGBA'
image_shape = (640, 480)
image = Tile((0,0), image_shape)
r = random.SystemRandom()
colors = {
'white' : '#ffff',
'black' : '#000f',
'205A8C' : '205A8C',
'6596BF' : '6596BF',
'98F2EC' : '98F2EC',
'BF6865' : 'BF6865',
'F4DBD6' : 'F4DBD6',
}
for name, color in colors.items():
colors[name] = parse_color(color)
image.buffer[:,:] = colors['white']
tile_colors = [ color for name, color in colors.items() if name not in ('black', 'white') ]
# tile = Tile((0, 0), (100, 100))
tile = Tile((0, 0), (16, 16))
for x in range(0, image_shape[0], 16):
for y in range(0, image_shape[1], 16):
# x = int(r.random() * image_shape[0])
# y = int(r.random() * image_shape[1])
tile.set_origin((x, y))
tile.buffer[:] = r.sample(tile_colors, 1)
i, t = image.intersection_slices(tile)
image.buffer[i] = tile.buffer[t]
save_array_as_image('test_tile.gif', image.buffer, 'RGBA')
def blocktopus():
import random
import math
r = random.SystemRandom()
mode = 'RGBA'
image_shape = (1280, 960)
# image_shape = (640, 480)
image = Tile((0, 0), image_shape)
colors = {
'white' : '#ffff',
'black' : '#000f',
'205A8C' : '205A8C',
'6596BF' : '6596BF',
'98F2EC' : '98F2EC',
'BF6865' : 'BF6865',
'F4DBD6' : 'F4DBD6',
'dark_blue' : '05115B',
'light_blue' : '60CAF0',
'brown_yellow' : 'DAB32B',
'brown' : '855E14',
'yellow' : 'FFDD06',
}
for name, color in colors.items():
colors[name] = parse_color(color)
def make_tile(color):
tile = Tile((0, 0), (16, 16))
tile.buffer[:] = color
return tile
blocktopus_colors = (
'brown',
'brown_yellow',
'dark_blue',
'light_blue',
'yellow',
)
tiles = { }
def get_tile(tile_id):
tile = tiles.get(tile_id)
if tile is not None:
return tile
color = r.choice(blocktopus_colors)
tiles[tile_id] = out = make_tile(color)
out.buffer[:] = colors[color]
return out
spine = Line(
point(.1 * image_shape[0], .5 * image_shape[1]),
point(.9 * image_shape[0], .5 * image_shape[1])
)
direction = normalize(spine.direction)
up = normalize(rotate_left(spine.direction))
steps = 30
step_size = 1. / steps
frequency = 2.5 * 2. * math.pi * step_size
frames = 10 * 30
for frame in range(frames):
image.buffer[:] = colors['white']
phase = 2 * 2. * math.pi * frame / frames
phase_offset = .5 - math.cos(phase)
for i in range(steps):
width_factor = (1. - float(i) / (steps - 1))
width = width_factor * .15 * image_shape[1]
s = math.cos(frequency * i + phase) + phase_offset
base = spine(i * step_size)
offsets = [
s * width * up,
(s - 1) * width * up,
]
for (j, offset) in enumerate(offsets):
p = base + offset
tile = get_tile((i, j))
tile.set_origin(p[:2])
intersection = image.intersection_slices(tile)
if intersection is None: continue
m, t = intersection
image.buffer[m] = tile.buffer[t]
path = 'blocktopus/frame_{frame:03}.tiff'.format(frame=frame)
save_array_as_image(path, image.buffer, 'RGBA')
