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added scoopex demo, png2image, adds verbose mode

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refactored png2image, plane extraction is now separate
verbose mode for more information
This commit is contained in:
Wei-ju Wu
2016-10-09 21:02:52 -07:00
parent 9c216ac95e
commit 84cfb7b1ac
5 changed files with 61 additions and 8 deletions
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23
utils/png2image.py
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@ -21,14 +21,11 @@ def color_to_plane_bits(color, depth):
result[bit] = 1
return result
def write_amiga_image(image, outfile, img_name, use_intuition):
def extract_planes(im, depth):
imdata = im.getdata()
width, height = im.size
# colors is a list of 3-integer lists ([[r1, g1, b1], ...])
colors = [i for i in chunks([b for b in im.palette.tobytes()], 3)]
depth = round(math.log(len(colors), 2))
map_words_per_row = int(width / 16)
if width % 16 > 0:
map_words_per_row += 1
@ -50,7 +47,19 @@ def write_amiga_image(image, outfile, img_name, use_intuition):
if planebits[planeidx]:
planes[planeidx][pos] |= (1 << (15 - (x + i) % 16)) # 1 << ((x + i) % 16)
x += 16
return planes, map_words_per_row
def write_amiga_image(im, outfile, img_name, use_intuition, verbose):
imdata = im.getdata()
width, height = im.size
# colors is a list of 3-integer lists ([[r1, g1, b1], ...])
colors = [i for i in chunks([b for b in im.palette.tobytes()], 3)]
depth = round(math.log(len(colors), 2))
planes, map_words_per_row = extract_planes(im, depth)
if verbose:
print("image width: %d height: %d depth: %d" % (width, height, depth))
if use_intuition:
outfile.write('#include <intuition/intuition.h>\n\n')
imgdata_varname = '%s_data' % img_name
@ -97,11 +106,13 @@ if __name__ == '__main__':
parser.add_argument('headerfile', help="output header file")
parser.add_argument('--img_name', default='image', help="variable name of the image")
parser.add_argument('--use_intuition', action='store_true', help="generate data for Intuition")
parser.add_argument('--verbose', action='store_true', help="verbose mode")
args = parser.parse_args()
im = Image.open(args.pngfile)
if not os.path.exists(args.headerfile):
with open(args.headerfile, 'w') as outfile:
write_amiga_image(im, outfile, img_name=args.img_name, use_intuition=args.use_intuition)
write_amiga_image(im, outfile, img_name=args.img_name, use_intuition=args.use_intuition,
verbose=args.verbose)
else:
print("file '%s' already exists." % args.headerfile)