Files
mfe9/utils.py
2023-12-06 14:24:46 +00:00

133 lines
3.4 KiB
Python

from itertools import chain
import io
import os
import os.path
import zipfile
# import os
# import subprocess
def getMameResource(emulatorDir, typeofResource, is_dir):
resource = os.path.join(emulatorDir, typeofResource)
if is_dir:
if not os.path.isdir(resource):
return None
if os.path.isfile(os.path.join(resource, typeofResource + ".zip")):
resource = zipfile.ZipFile(os.path.join(resource, typeofResource + ".zip"))
else:
resource = os.path.join(resource, typeofResource)
else:
if not os.path.isfile(resource):
return None
with open(resource, "rt", encoding="latin1") as f:
resource = f.read()
return resource
# def aspect_scale(img, bx, by):
# """Scales 'img' to fit into box bx/by.
# This method will retain the original image's aspect ratio"""
# ix, iy = img.get_size()
# if ix > iy:
# # fit to width
# scale_factor = bx / float(ix)
# sy = scale_factor * iy
# if sy > by:
# scale_factor = by / float(iy)
# sx = scale_factor * ix
# sy = by
# else:
# sx = bx
# else:
# # fit to height
# scale_factor = by / float(iy)
# sx = scale_factor * ix
# if sx > bx:
# scale_factor = bx / float(ix)
# sx = bx
# sy = scale_factor * iy
# else:
# sy = by
# return pygame.transform.scale(img, (int(sx), int(sy)))
# def image_from_data(data, image_size):
# if data:
# with io.BytesIO(data) as f:
# surface = pygame.image.load(f)
# surface = aspect_scale(surface, image_size[0], image_size[1])
# else:
# surface = pygame.Surface(image_size) # pylint: disable=E1121
# return surface
# def addscanlines(surface):
# width = surface.get_width()
# for y in range(surface.get_height()):
# if y % 2:
# pygame.draw.line(surface, (0, 0, 0), (0, y), (width, y))
# return surface
def truncline(text, font, maxwidth):
real = len(text)
stext = text
size = font.size(text)[0]
cut = 0
a = 0
done = 1
while size > maxwidth:
a = a + 1
n = text.rsplit(None, a)[0]
if stext == n:
cut += 1
stext = n[:-cut]
else:
stext = n
size = font.size(stext)[0]
real = len(stext)
done = 0
return real, done, stext
def wrapline(text, font, maxwidth):
done = 0
wrapped = []
while not done:
nl, done, stext = truncline(text, font, maxwidth)
wrapped.append(stext.strip())
text = text[nl:]
return wrapped
def wrap_multi_line(text, font, maxwidth):
"""returns text taking new lines into account."""
if type(text) is str:
lines = chain(*(wrapline(line, font, maxwidth) for line in text.splitlines()))
else:
lines = chain(*(wrapline(line, font, maxwidth) for line in text))
return list(lines)
# def run_emulator(emu_type, exe, rom):
# old_path = os.getcwd()
# os.chdir(os.path.split(exe)[0])
# if emu_type == 'MAME':
# subprocess.run([exe, rom])
# elif emu_type == 'MESS':
# subprocess.run([exe, rom])
# elif emu_type == 'CSV':
# subprocess.run([exe.replace('<romname>', rom)])
# os.chdir(old_path)
# return True