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generate.py
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generate.py
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import os
from wand.color import Color
from wand.image import Image
source_dpi = 48
char_width = 12
char_height = 18
font_file = "source/Font.svg"
font_height = 32 # in char sizes
font_width = 16 # in char sizes
logo_file = "source/Logo.svg"
logo_height = 4 # in char sizes
logo_width = 24 # in char sizes
hdzero_output_path = "hdzero/QUIC.bmp"
hdzero_scale = 2
hdzero_bg_color = Color("rgb(127, 127, 127)")
dji_output_path = "dji/font_quic%s.bin"
dji_scale = 3
dji_hd_output_path = "dji/font_quic_hd%s.bin"
dji_hd_scale = 2
dji_bg_color = Color("transparent")
ws_output_path = "walksnail/WS_QUIC_%d.png"
ws_bg_color = Color("transparent")
preview_output_path = "preview.png"
preview_scale = 2
preview_bg_color = Color("transparent")
def extract_glyphs(scale, background):
glyphs = []
with Image(
filename=font_file, resolution=source_dpi * scale, background=background
) as img:
for y in range(font_height):
for x in range(font_width):
pixels = img.export_pixels(
x * scale * char_width,
y * scale * char_height,
scale * char_width,
scale * char_height,
"RGBA",
)
glyphs.append(bytes(pixels))
with Image(
filename=logo_file, resolution=source_dpi * scale, background=background
) as img:
for y in range(logo_height):
for x in range(logo_width):
pixels = img.export_pixels(
x * scale * char_width,
y * scale * char_height,
scale * char_width,
scale * char_height,
"RGBA",
)
glyphs[font_width * 10 + y * logo_width + x] = bytes(pixels)
return glyphs
def generate_hdzero(output_path, scale):
glyphs = extract_glyphs(scale, hdzero_bg_color)
os.makedirs(os.path.dirname(output_path), exist_ok=True)
with Image(
width=font_width * scale * char_width,
height=font_height * scale * char_height,
background=hdzero_bg_color,
) as img:
for y in range(font_height):
for x in range(font_width):
img.import_pixels(
x * scale * char_width,
y * scale * char_height,
scale * char_width,
scale * char_height,
"RGBA",
"char",
glyphs[y * font_width + x],
)
with img.convert("BMP3") as output_img:
print("generating %s" % output_path)
output_img.save(filename=output_path)
def generate_dji(output_path, scale):
glyphs = extract_glyphs(scale, dji_bg_color)
os.makedirs(os.path.dirname(output_path), exist_ok=True)
with open(output_path % "", "wb") as f:
print("generating %s" % f.name)
for i in range(256):
f.write(glyphs[i])
with open(output_path % "_2", "wb") as f:
print("generating %s" % f.name)
for i in range(256, 512):
f.write(glyphs[i])
def generate_ws(output_path, scale):
glyphs = extract_glyphs(scale, ws_bg_color)
os.makedirs(os.path.dirname(output_path), exist_ok=True)
with Image(
width=scale * char_width,
height=len(glyphs) * scale * char_height,
background=ws_bg_color,
) as img:
for i, g in enumerate(glyphs):
img.import_pixels(
0,
i * scale * char_height,
scale * char_width,
scale * char_height,
"RGBA",
"char",
g,
)
print("generating %s" % output_path)
img.save(filename=output_path)
def generate_preview(output_path, scale):
glyphs = extract_glyphs(scale, preview_bg_color)
with Image(
width=font_width * scale * char_width,
height=font_height * scale * char_height,
background=preview_bg_color,
) as img:
for y in range(font_height):
for x in range(font_width):
img.import_pixels(
x * scale * char_width,
y * scale * char_height,
scale * char_width,
scale * char_height,
"RGBA",
"char",
glyphs[y * font_width + x],
)
print("generating %s" % output_path)
img.save(filename=output_path)
generate_hdzero(hdzero_output_path, hdzero_scale)
generate_dji(dji_output_path, dji_scale)
generate_dji(dji_hd_output_path, dji_hd_scale)
generate_ws(ws_output_path % 24, 2)
generate_ws(ws_output_path % 36, 3)
generate_preview(preview_output_path, preview_scale)