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xsheet.py
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xsheet.py
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import os
import json
import zipfile
import tempfile
from gi.repository import GObject
from gi.repository import MyPaintGegl
from gi.repository import Gegl
from framelist import FrameList
FPMS = 42
class Cel(object):
def __init__(self):
graph = Gegl.Node()
self.gegl_surface = MyPaintGegl.TiledSurface()
self.surface = self.gegl_surface.interface()
self.surface_node = graph.create_child("gegl:buffer-source")
self.surface_node.set_property("buffer", self.gegl_surface.get_buffer())
def save_png(self, path_png):
graph = Gegl.Node()
save = graph.create_child("gegl:png-save")
save.set_property('path', path_png)
self.surface_node.connect_to("output", save, "input")
save.process()
def load_png(self, path_png):
cel_buffer = self.gegl_surface.get_buffer()
graph = Gegl.Node()
load = graph.create_child("gegl:load")
load.set_property('path', path_png)
translate = graph.create_child("gegl:translate")
translate.set_property('x', cel_buffer.props.x)
translate.set_property('y', cel_buffer.props.y)
write = graph.create_child("gegl:write-buffer")
write.set_property('buffer', cel_buffer)
load.connect_to("output", translate, "input")
translate.connect_to("output", write, "input")
write.process()
self.surface_node.process()
def copy(self):
new_cel = Cel()
cel_buffer = self.gegl_surface.get_buffer()
new_buffer = new_cel.gegl_surface.get_buffer()
new_buffer.set_extent(cel_buffer.get_extent())
translate = graph.create_child("gegl:translate")
translate.set_property('x', cel_buffer.props.x)
translate.set_property('y', cel_buffer.props.y)
write = graph.create_child("gegl:write-buffer")
write.set_property('buffer', cel_buffer)
load.connect_to("output", translate, "input")
translate.connect_to("output", write, "input")
write.process()
return new_cel
def extent_to_data(self):
rect = self.gegl_surface.get_buffer().get_extent()
return [rect.x, rect.y, rect.width, rect.height]
def extent_from_data(self, data):
rect = Gegl.Rectangle()
rect.x = data[0]
rect.y = data[1]
rect.width = data[2]
rect.height = data[3]
cel_buffer = self.gegl_surface.get_buffer()
cel_buffer.set_extent(rect)
class XSheet(GObject.GObject):
__gsignals__ = {
"frame-changed": (GObject.SignalFlags.RUN_FIRST, None, []),
"layer-changed": (GObject.SignalFlags.RUN_FIRST, None, []),
"cursor-changed": (GObject.SignalFlags.RUN_FIRST, None, []),
}
def __init__(self, layers_length=3):
GObject.GObject.__init__(self)
self.current_frame = 0
self.layer_idx = 0
self._play_hid = None
self.layers = None
self._edit_cel = None
self._setup(layers_length)
def _setup(self, layers_length):
self.layers = [FrameList() for x in range(layers_length)]
def get_layers(self):
return self.layers
@property
def cursor(self):
return self.current_frame, self.layer_idx
@property
def is_playing(self):
return self._play_hid is not None
@property
def layers_length(self):
return len(self.layers)
@property
def frames_separation(self):
return 6
def go_to_frame(self, frame_idx):
cant_go = (frame_idx < 0 or frame_idx == self.current_frame)
if cant_go:
return False
self.current_frame = frame_idx
self._emit_signals(frame_changed=True)
return True
def previous_frame(self, loop=False):
if loop:
if self.current_frame == self._get_first_frame():
self.current_frame = self._get_last_frame()
return True
if self.current_frame == 0:
return False
self.current_frame -= 1
self._emit_signals(frame_changed=True)
return True
def next_frame(self, loop=False):
if loop:
if self.current_frame == self._get_last_frame():
self.current_frame = self._get_first_frame() - 1
return True
self.current_frame += 1
self._emit_signals(frame_changed=True)
return True
def play(self, loop=False):
if self._play_hid is not None:
return False
if loop:
self.current_frame = self._get_first_frame()
self._emit_signals(frame_changed=True)
self._play_hid = GObject.timeout_add(FPMS, self.next_frame, loop)
return True
def stop(self):
if self._play_hid is None:
return False
GObject.source_remove(self._play_hid)
self._play_hid = None
return True
def previous_layer(self):
if self.layer_idx == 0:
return False
self.layer_idx -= 1
self._emit_signals(layer_changed=True)
return True
def next_layer(self):
if self.layer_idx == self.layers_length-1:
return False
self.layer_idx += 1
self._emit_signals(layer_changed=True)
return True
def get_cel(self, frame_idx=None, layer_idx=None):
if frame_idx is None:
frame_idx = self.current_frame
if layer_idx is None:
layer_idx = self.layer_idx
return self.layers[layer_idx][frame_idx]
def get_cel_relative(self, frame_diff=0, layer_diff=0):
frame_idx = self.current_frame + frame_diff
layer_idx = self.layer_idx + layer_diff
return self.layers[layer_idx][frame_idx]
def get_cel_relative_by_cels(self, steps, frame_diff=0, layer_diff=0):
frame_idx = self.current_frame + frame_diff
layer_idx = self.layer_idx + layer_diff
return self.layers[layer_idx].get_relative(frame_idx, steps)
def has_cel(self, frame_idx=None, layer_idx=None):
if frame_idx is None:
frame_idx = self.current_frame
if layer_idx is None:
layer_idx = self.layer_idx
return self.layers[layer_idx].has_cel_at(frame_idx)
def add_cel(self, frame_idx=None, layer_idx=None):
if frame_idx is None:
frame_idx = self.current_frame
if layer_idx is None:
layer_idx = self.layer_idx
if not self.layers[layer_idx].has_cel_at(frame_idx):
self.layers[layer_idx][frame_idx] = Cel()
self._emit_signals(frame_changed=True)
def remove_clear(self, frame_idx=None, layer_idx=None):
if frame_idx is None:
frame_idx = self.current_frame
if layer_idx is None:
layer_idx = self.layer_idx
self.layers[layer_idx].remove_clear(frame_idx)
self._emit_signals(frame_changed=True)
def cut(self, frame_idx=None, layer_idx=None):
if frame_idx is None:
frame_idx = self.current_frame
if layer_idx is None:
layer_idx = self.layer_idx
cel = self.get_cel(frame_idx, layer_idx)
assert cel is not None
self._edit_cel = cel
del self.layers[layer_idx][frame_idx]
self._emit_signals(frame_changed=True)
def copy(self, frame_idx=None, layer_idx=None):
if frame_idx is None:
frame_idx = self.current_frame
if layer_idx is None:
layer_idx = self.layer_idx
cel = self.get_cel(frame_idx, layer_idx)
assert cel is not None
self._edit_cel = cel.copy()
def paste(self, frame_idx=None, layer_idx=None):
if frame_idx is None:
frame_idx = self.current_frame
if layer_idx is None:
layer_idx = self.layer_idx
assert self._edit_cel is not None
self.layers[layer_idx][frame_idx] = self._edit_cel
self._edit_cel = None
self._emit_signals(frame_changed=True)
def _emit_signals(self, frame_changed=False, layer_changed=False):
if frame_changed:
self.emit("frame-changed")
if layer_changed:
self.emit("layer-changed")
if frame_changed or layer_changed:
self.emit("cursor-changed")
def _get_cel_path(self, layer_idx, frame_idx, extension):
return "cels/{0}-{1}.{2}".format(str(layer_idx).zfill(3),
str(frame_idx).zfill(6),
extension)
def _get_data(self):
data = []
for layer_idx, layer in enumerate(self.layers):
layer_data = {}
for frame_idx in layer.get_assigned_frames():
frame_data = {}
frame_type = layer.get_type_at(frame_idx)
frame_data['type'] = frame_type
if frame_type == 'cel':
png_path = self._get_cel_path(layer_idx, frame_idx, 'png')
frame_data['path'] = png_path
cel = layer[frame_idx]
frame_data['extent'] = cel.extent_to_data()
layer_data[frame_idx] = frame_data
data.append(layer_data)
return data
def save(self, filename):
tempdir = tempfile.mkdtemp('xsheet')
xsheet_zip = zipfile.ZipFile(filename + '.tmpsave', 'w',
compression=zipfile.ZIP_STORED)
for layer_idx, layer in enumerate(self.layers):
for frame_idx in layer.get_assigned_frames():
frame_type = layer.get_type_at(frame_idx)
if frame_type == 'cel':
cel = layer[frame_idx]
png_path = self._get_cel_path(layer_idx, frame_idx, 'png')
temp_png_path = os.path.join(tempdir, 'cel.png')
cel.save_png(temp_png_path)
xsheet_zip.write(temp_png_path, png_path)
os.remove(temp_png_path)
path_data = os.path.join(tempdir, 'info.json')
data = self._get_data()
with open(path_data, 'w') as datafile:
json.dump(data, datafile, sort_keys=True, indent=2)
xsheet_zip.write(path_data, 'info.json')
os.remove(path_data)
xsheet_zip.close()
os.rmdir(tempdir)
if os.path.exists(filename):
os.remove(filename)
os.rename(filename + '.tmpsave', filename)
def new(self, layers_length=3):
self._setup(layers_length)
self._emit_signals(frame_changed=True, layer_changed=True)
def load(self, filename):
tempdir = tempfile.mkdtemp('xsheet')
xsheet_zip = zipfile.ZipFile(filename)
data = json.loads(xsheet_zip.read('info.json'))
self._setup(len(data))
for layer_idx, layer_data in enumerate(data):
for frame_idx, frame_data in layer_data.items():
frame_idx = int(frame_idx)
if frame_data['type'] == 'clear':
self.layers[layer_idx][frame_idx] = None
elif frame_data['type'] == 'cel':
cel = Cel()
self.layers[layer_idx][frame_idx] = cel
extent = frame_data['extent']
cel.extent_from_data(extent)
png_path = frame_data['path']
temp_png_path = os.path.join(tempdir, 'cel.png')
png_file = open(temp_png_path, 'wb')
png_file.write(xsheet_zip.read(png_path))
png_file.close()
cel.load_png(temp_png_path)
os.remove(temp_png_path)
xsheet_zip.close()
os.rmdir(tempdir)
self._emit_signals(frame_changed=True, layer_changed=True)
def _get_first_frame(self):
first_frames = [layer.get_first_frame() for layer in self.layers]
valid_frames = [frame for frame in first_frames if frame is not None]
if not valid_frames:
return 0
return min(valid_frames)
def _get_last_frame(self):
last_frames = [layer.get_last_frame() for layer in self.layers]
valid_frames = [frame for frame in last_frames if frame is not None]
if not valid_frames:
return 0
return max(valid_frames)