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#!/usr/bin/env python3
# -*- python -*-
'''
splashtool – A simple tool for creating SYSLINUX splashes without fuss
Copyright © 2013, 2014 Mattias Andrée (maandree@member.fsf.org)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
'''
import sys
def join(fg, bg, alpha):
t = alpha * linear(fg) + (255 - alpha) * linear(bg)
t /= 255
if t <= 0.00304:
t *= 12.92
else:
t = 1.055 * t ** (1 / 2.4) - 0.055
return int(255 * t + 0.5)
def linear(c):
if c <= 10:
return c / (255 * 12.92)
return ((c + 14.025) / 269.025) ** 2.4
def subpixels(p):
return ((p >> 24) & 255, (p >> 16) & 255, (p >> 8) & 255, (p >> 0) & 255)
def buffer_join(layer, base, offx, offy):
for x in range(len(layer)):
if x + offx >= len(base):
break
layer_column = layer[x]
base_column = base[x + offx]
for y in range(len(column)):
if y + offy >= len(base_column):
break
(la, lr, lg, lb) = subpixels(layer_column[y])
(ba, br, bg, bb) = subpixels(base_column[y + offy])
r = join(lr, br, la)
g = join(lg, bg, la)
b = join(lb, bb, la)
base_column[y + offy] = (255 << 24) | (r << 16) | (g << 8) | b
def widescreen(img):
rc = [[0] * (480 * 16 // 9) for i in range(480)]
for y in range(480):
e = 0
for x in range(640):
rc[x + e][y] = img[x][y]
if x % 3 == 2:
argb = img[x][y]
if x < 639:
(a1, r1, g1, b1) = subpixels(argb)
(a2, r2, g2, b2) = subpixels(img[x + x1][y])
a = ((a1 + a2) // 2) << 24
r = ((r1 + r2) // 2) << 16
g = ((g1 + g2) // 2) << 8
b = ((b1 + b2) // 2) << 0
argb = a | r | g | b
e += 1
rc[x + e][y] = argb
return rc
# Read image data.
splash = input()
width = int(input())
height = int(input())
rows = [input() for i in range(height)]
# Read font data.
chars = int(input())
charx = int(input())
chary = int(input())
charmap = [[0] * chary for i in range(chars)]
for i in range(chars):
for y in range(chary):
line = input()
charmap[i][y] = sum((0 if line[x] == ' ' else 1) << x for x in range(charx))
# The overlay should be centered on the background.
offx = (640 - width * charx) // 2
offy = (480 - height * chary) // 2
# Buffers for layers.
# TODO splash = ... (splash)
background = [[0] * (height * chary) for i in range(width * charx)]
foreground = [[0] * (height * chary) for i in range(width * charx)]
shadow = [[0] * (height * chary) for i in range(width * charx)]
# Colours.
fore = 0
back = 0
foreback = 0
# Fill largers.
for y in range(height):
x = 0
row = rows[y]
escape = False
for i in range(len(row)):
c = row[i]
if c == '\033':
fore = foreback >> 32
back = foreback & ((1 << 32) - 1)
escape = not escape
foreback = 0
elif escape:
if c == '#':
continue
foreback <<= 4
foreback |= (ord(c) & 15) + (0 if c <= '9' else 9)
foreback &= (1 << 64) - 1
else:
ci = ord(c) % chars
if c == '┌': ci = 218
elif c == '─': ci = 196
elif c == '┐': ci = 191
elif c == '│': ci = 179
elif c == '├': ci = 195
elif c == '┤': ci = 180
elif c == '└': ci = 192
elif c == '┘': ci = 217
char = charmap[ci]
for yi in range(chary):
for xi in range(charx):
xo = (char[yi] >> xi) & 1
t = offx + x * charx + xi + xo
rgb = splash[639 if t > 639 else t][offy + y * chary + yi]
_a, r, g, b = subpixels(rgb)
if xo == 1:
shadow[x * charx + xi][y * chary + yi] = 128 << 24
(c_, i_) = (fore, foreground) if xo == 1 else (back, background)
ca, cr, cg, cb = subpixels(c_)
r = join(cr, r, ca)
g = join(cg, g, ca)
b = join(cb, b, ca)
rgb = (255 << 24) | (r << 16) | (g << 8) | b
i_[x * charx + xi][y * chary + yi] = rgb
x += 1
# Apply layers.
buffer_join(background, splash, offx, offy)
buffer_join(shadow, splash, offx + 1, offy + 1)
buffer_join(foreground, splash, offx, offy)
# Make widescreen preview.
if sys.argv[2].lower().startswith('-w') or sys.argv[2].lower().startswith('--w'):
splash = widescreen(splash)
# Print image.
width, height = len(splash), len(splash[0])
print('P3')
print('%i %i' % (width, height))
print('255')
trans = ['%i' % i for i in range(256)]
for y in range(height):
for x in range(width):
print(trans[splash[x][y]])
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