def __init__(self, brushinfo=None, painting_only=False):
"""Initialize
:param brushinfo: the lib.brush.BrushInfo instance to use
:param painting_only: only use painting layers
If painting_only is true, then no tempdir will be created by the
document when it is initialized or cleared.
"""
object.__init__(self)
if not brushinfo:
brushinfo = brush.BrushInfo()
brushinfo.load_defaults()
self._layers = layer.RootLayerStack(self)
self._layers.layer_content_changed += self._canvas_modified_cb
self.brush = brush.Brush(brushinfo)
self.brush.brushinfo.observers.append(self.brushsettings_changed_cb)
self.stroke = None
self.command_stack = command.CommandStack()
self._painting_only = painting_only
self._tempdir = None
# Optional page area and resolution information
self._frame = [0, 0, 0, 0]
self._frame_enabled = False
self._xres = None
self._yres = None
# Backgrounds for rendering
blank_arr = numpy.zeros((N, N, 4), dtype='uint16')
self._blank_bg_surface = tiledsurface.Background(blank_arr)
self.clear()
def __init__(self, brushinfo=None):
if not brushinfo:
brushinfo = brush.BrushInfo()
brushinfo.load_defaults()
self.layers = []
self.brush = brush.Brush(brushinfo)
self.ani = animation.Animation(self)
self.brush.brushinfo.observers.append(self.brushsettings_changed_cb)
self.stroke = None
self.canvas_observers = [] #: See `layer_modified_cb()`
self.stroke_observers = [] #: See `split_stroke()`
self.doc_observers = [] #: See `call_doc_observers()`
self.frame_observers = []
self.command_stack_observers = []
self.symmetry_observers = [] #: See `set_symmetry_axis()`
self.__symmetry_axis = None
self.default_background = (255, 255, 255)
self.clear(True)
self._frame = [0, 0, 0, 0]
self._frame_enabled = False
# Used by move_frame() to accumulate values
self._frame_dx = 0.0
self._frame_dy = 0.0
def migrate_brushes_to_json(dirpath):
files = os.listdir(dirpath)
files = [
os.path.join(dirpath, fn) for fn in files
if os.path.splitext(fn)[1] == '.myb'
]
for fpath in files:
b = brush.BrushInfo(open(fpath, 'r').read())
open(fpath, 'w').write(b.to_json())
def __init__(self, brushinfo=None):
if not brushinfo:
brushinfo = brush.BrushInfo()
brushinfo.load_defaults()
self.brush = brush.Brush(brushinfo)
self.stroke = None
self.canvas_observers = []
self.stroke_observers = [] # callback arguments: stroke, brush (brush is a temporary read-only convenience object)
self.doc_observers = []
self.frame_observers = []
self.command_stack_observers = []
self.clear(True)
self._frame = [0, 0, 0, 0]
self._frame_enabled = False
# Used by move_frame() to accumulate values
self._frame_dx = 0.0
self._frame_dy = 0.0
def render(self, surface):
assert self.finished
# OPTIMIZE: check if parsing of settings is a performance bottleneck
b = brush.Brush(brush.BrushInfo(self.brush_settings))
states = numpy.fromstring(self.brush_state, dtype='float32')
b.set_state(states)
#b.set_print_inputs(1)
#print 'replaying', len(self.stroke_data), 'bytes'
version, data = self.stroke_data[0], self.stroke_data[1:]
assert version == '2'
data = numpy.fromstring(data, dtype='float64')
data.shape = (len(data) / 6, 6)
surface.begin_atomic()
for dtime, x, y, pressure, xtilt, ytilt in data:
b.stroke_to(surface, x, y, pressure, xtilt, ytilt, dtime)
surface.end_atomic()