def build_sheet(items):
# No deduplication, since item ID corresponds directly to its position in
# the sheet.
num_pages, offsets = util.pack_boxes_uniform(SHEET_SIZE, len(items))
assert num_pages == 1, 'too many item images to fit on one sheet'
sheet, = util.build_sheets((i.image for i in items), offsets, 1, SHEET_SIZE, TILE_SIZE)
return sheet
def build_sheet(items):
# No deduplication, since item ID corresponds directly to its position in
# the sheet.
num_pages, offsets = util.pack_boxes_uniform(SHEET_SIZE, len(items))
assert num_pages == 1, 'too many item images to fit on one sheet'
sheet, = util.build_sheets((i.image for i in items), offsets, 1,
SHEET_SIZE, TILE_SIZE)
return sheet
def build_sheet(blocks):
"""Build a sprite sheet containing all the tile images for the provided
blocks. This also updates each block's `tile_ids` field with its index in
the generated sheet."""
# Assign an index to each tile image. Force a blank tile at index 0.
blank_tile = Image.new('RGBA', (TILE_SIZE, TILE_SIZE))
block_gen = (i for b in blocks for i in b.tiles.values() if i is not None)
img_list, idx_map = util.dedupe_images(itertools.chain((blank_tile,), block_gen))
# Compute `tile_ids`.
for b in blocks:
b.tile_ids = dict((k, idx_map[id(v)]) for k,v in b.tiles.items() if v is not None)
# Construct the sheet image.
num_pages, offsets = util.pack_boxes_uniform(SHEET_SIZE, len(img_list))
assert num_pages == 1, 'too many tile images to fit on one sheet'
sheet, = util.build_sheets(img_list, offsets, 1, SHEET_SIZE, TILE_SIZE)
return sheet
def build_sheet(blocks):
"""Build a sprite sheet containing all the tile images for the provided
blocks. This also updates each block's `tile_ids` field with its index in
the generated sheet."""
# Assign an index to each tile image. Force a blank tile at index 0.
blank_tile = Image.new('RGBA', (TILE_SIZE, TILE_SIZE))
block_gen = (i for b in blocks for i in b.tiles.values() if i is not None)
img_list, idx_map = util.dedupe_images(
itertools.chain((blank_tile, ), block_gen))
# Compute `tile_ids`.
for b in blocks:
b.tile_ids = dict(
(k, idx_map[id(v)]) for k, v in b.tiles.items() if v is not None)
# Construct the sheet image.
num_pages, offsets = util.pack_boxes_uniform(SHEET_SIZE, len(img_list))
assert num_pages == 1, 'too many tile images to fit on one sheet'
sheet, = util.build_sheets(img_list, offsets, 1, SHEET_SIZE, TILE_SIZE)
return sheet
