def __init__(self, surface, x, y, sort=True):
"""Starts the move, recording state in the Move object
:param x: Where to start, model X coordinate
:param y: Where to start, model Y coordinate
:param sort: If true, sort tiles to move by distance from (x,y)
Sorting tiles by distance makes the move look nicer when moving
interactively, but it's pointless for non-interactive moves.
"""
object.__init__(self)
self.surface = surface
self.snapshot = surface.save_snapshot()
self.chunks = self.snapshot.tiledict.keys()
self.sort = sort
tx = x // N
ty = y // N
self.start_pos = (x, y)
if self.sort:
manhattan_dist = lambda p: abs(tx - p[0]) + abs(ty - p[1])
self.chunks.sort(key=manhattan_dist)
# High water mark of chunks processed so far.
# This is reset on every call to update().
self.chunks_i = 0
# Tile state tracking for individual update cycles
self.written = set()
self.blank_queue = []
# Tile offsets which we'll be applying,
# initially the move is zero.
self.slices_x = calc_translation_slices(0)
self.slices_y = calc_translation_slices(0)
def __init__(self, surface, x, y, sort=True):
"""Starts the move, recording state in the Move object
:param x: Where to start, model X coordinate
:param y: Where to start, model Y coordinate
:param sort: If true, sort tiles to move by distance from (x,y)
Sorting tiles by distance makes the move look nicer when moving
interactively, but it's pointless for non-interactive moves.
"""
object.__init__(self)
self.surface = surface
self.snapshot = surface.save_snapshot()
self.chunks = self.snapshot.tiledict.keys()
self.sort = sort
tx = x // N
ty = y // N
self.start_pos = (x, y)
if self.sort:
manhattan_dist = lambda p: abs(tx - p[0]) + abs(ty - p[1])
self.chunks.sort(key=manhattan_dist)
# High water mark of chunks processed so far.
# This is reset on every call to update().
self.chunks_i = 0
# Tile state tracking for individual update cycles
self.written = set()
self.blank_queue = []
# Tile offsets which we'll be applying,
# initially the move is zero.
self.slices_x = calc_translation_slices(0)
self.slices_y = calc_translation_slices(0)
def __init__(self,
surface,
filename,
rect,
alpha,
single_tile_pattern=False,
save_srgb_chunks=False,
**kwargs):
super(PNGFileUpdateTask, self).__init__()
self._final_filename = filename
# Sizes. Save at least one tile to allow empty docs to be written
if not rect:
rect = surface.get_bbox()
x, y, w, h = rect
if w == 0 or h == 0:
x, y, w, h = (0, 0, 1, 1)
rect = (x, y, w, h)
# Snapshot and recreate
clone_surface = Surface(
looped=surface.looped,
looped_size=surface.looped_size,
)
clone_surface.load_snapshot(surface.save_snapshot())
# Open a tempfile for writing
tmp_filename = filename + ".tmp"
if os.path.exists(tmp_filename):
os.unlink(tmp_filename)
tmp_fp = open(tmp_filename, "wb")
self._png_writer = mypaintlib.ProgressivePNGWriter(
tmp_fp,
w,
h,
alpha,
save_srgb_chunks,
)
self._tmp_filename = tmp_filename
self._tmp_fp = tmp_fp
# What to write
self._strips_iter = lib.surface.scanline_strips_iter(
clone_surface,
rect,
alpha=alpha,
single_tile_pattern=single_tile_pattern,
**kwargs)
logger.debug("autosave: scheduled update of %r", self._final_filename)
def __init__(self, surface, filename, rect, alpha,
single_tile_pattern=False,
save_srgb_chunks=False,
**kwargs):
super(PNGFileUpdateTask, self).__init__()
self._final_filename = filename
# Sizes. Save at least one tile to allow empty docs to be written
if not rect:
rect = surface.get_bbox()
x, y, w, h = rect
if w == 0 or h == 0:
x, y, w, h = (0, 0, 1, 1)
rect = (x, y, w, h)
# Snapshot and recreate
clone_surface = Surface(
looped=surface.looped,
looped_size=surface.looped_size,
)
clone_surface.load_snapshot(surface.save_snapshot())
# Open a tempfile for writing
tmp_filename = filename + ".tmp"
if os.path.exists(tmp_filename):
os.unlink(tmp_filename)
tmp_fp = open(tmp_filename, "wb")
self._png_writer = mypaintlib.ProgressivePNGWriter(
tmp_fp,
w, h,
alpha,
save_srgb_chunks,
)
self._tmp_filename = tmp_filename
self._tmp_fp = tmp_fp
# What to write
self._strips_iter = lib.surface.scanline_strips_iter(
clone_surface, rect, alpha=alpha,
single_tile_pattern=single_tile_pattern,
**kwargs
)
logger.debug("autosave: scheduled update of %r", self._final_filename)
