def __init__(self, prefs, datapath):
"""Initialises with default colors and an empty adjuster list.
:param prefs: Prefs dict for saving settings.
:param datapath: Base path for saving palettes and masks.
"""
super(ColorManager, self).__init__()
# Defaults
self._color = None #: Currently edited color, a UIColor object
self._hist = [] #: List of previous colors, most recent last
self._palette = None #: Current working palette
self._adjusters = weakref.WeakSet() #: The set of registered adjusters
#: Cursor for pickers
# FIXME: Use Gdk.Cursor.new_for_display()
self._picker_cursor = Gdk.Cursor.new(Gdk.CursorType.CROSSHAIR)
self._datapath = datapath #: Base path for saving palettes and masks
self._hue_distorts = None #: Hue-remapping table for color wheels
self._prefs = prefs #: Shared preferences dictionary
# Build the history. Last item is most recent.
hist_hex = list(prefs.get(PREFS_KEY_COLOR_HISTORY, []))
hist_hex = self._DEFAULT_HIST + hist_hex
self._hist = [RGBColor.new_from_hex_str(s) for s in hist_hex]
self._trim_hist()
# Restore current color, or use the most recent color.
col_hex = prefs.get(PREFS_KEY_CURRENT_COLOR, None)
if col_hex is None:
col_hex = hist_hex[-1]
self._color = RGBColor.new_from_hex_str(col_hex)
# Initialize angle distort table
wheel_type = prefs.get(PREFS_KEY_WHEEL_TYPE, self._DEFAULT_WHEEL_TYPE)
distorts_table = self._HUE_DISTORTION_TABLES[wheel_type]
self._hue_distorts = distorts_table
# Initialize working palette
palette_dict = prefs.get(PREFS_PALETTE_DICT_KEY, None)
if palette_dict is not None:
palette = Palette.new_from_simple_dict(palette_dict)
else:
datapath = self.get_data_path()
palettes_dir = os.path.join(datapath, DATAPATH_PALETTES_SUBDIR)
default = os.path.join(palettes_dir, DEFAULT_PALETTE_FILE)
palette = Palette(filename=default)
self._palette = palette
# Capture updates to the working palette
palette.info_changed += self._palette_changed_cb
palette.match_changed += self._palette_changed_cb
palette.sequence_changed += self._palette_changed_cb
palette.color_changed += self._palette_changed_cb
def __init__(self, prefs, datapath):
"""Initialises with default colors and an empty adjuster list.
:param prefs: Prefs dict for saving settings.
:param datapath: Base path for saving palettes and masks.
"""
super(ColorManager, self).__init__()
# Defaults
self._color = None #: Currently edited color, a UIColor object
self._hist = [] #: List of previous colors, most recent last
self._palette = None #: Current working palette
self._adjusters = weakref.WeakSet() #: The set of registered adjusters
#: Cursor for pickers
# FIXME: Use Gdk.Cursor.new_for_display()
self._picker_cursor = Gdk.Cursor.new(Gdk.CursorType.CROSSHAIR)
self._datapath = datapath #: Base path for saving palettes and masks
self._hue_distorts = None #: Hue-remapping table for color wheels
self._prefs = prefs #: Shared preferences dictionary
# Build the history. Last item is most recent.
hist_hex = list(prefs.get(PREFS_KEY_COLOR_HISTORY, []))
hist_hex = self._DEFAULT_HIST + hist_hex
self._hist = [RGBColor.new_from_hex_str(s) for s in hist_hex]
self._trim_hist()
# Restore current color, or use the most recent color.
col_hex = prefs.get(PREFS_KEY_CURRENT_COLOR, None)
if col_hex is None:
col_hex = hist_hex[-1]
self._color = RGBColor.new_from_hex_str(col_hex)
# Initialize angle distort table
wheel_type = prefs.get(PREFS_KEY_WHEEL_TYPE, self._DEFAULT_WHEEL_TYPE)
distorts_table = self._HUE_DISTORTION_TABLES[wheel_type]
self._hue_distorts = distorts_table
# Initialize working palette
palette_dict = prefs.get(PREFS_PALETTE_DICT_KEY, None)
if palette_dict is not None:
palette = Palette.new_from_simple_dict(palette_dict)
else:
datapath = self.get_data_path()
palettes_dir = os.path.join(datapath, DATAPATH_PALETTES_SUBDIR)
default = os.path.join(palettes_dir, DEFAULT_PALETTE_FILE)
palette = Palette(filename=default)
self._palette = palette
# Capture updates to the working palette
palette.info_changed += self._palette_changed_cb
palette.match_changed += self._palette_changed_cb
palette.sequence_changed += self._palette_changed_cb
palette.color_changed += self._palette_changed_cb
def new_from_simple_dict(class_, simple):
"""Constructs and returns a palette from the simple dict form."""
pal = class_()
pal.set_name(simple.get("name", None))
pal.set_columns(simple.get("columns", None))
for entry in simple.get("entries", []):
if entry is None:
pal.append(None)
else:
s, name = entry
col = RGBColor.new_from_hex_str(s)
pal.append(col, name)
return pal
def new_from_simple_dict(cls, simple):
"""Constructs and returns a palette from the simple dict form."""
pal = cls()
pal.set_name(simple.get("name", None))
pal.set_columns(simple.get("columns", None))
for entry in simple.get("entries", []):
if entry is None:
pal.append(None)
else:
s, name = entry
col = RGBColor.new_from_hex_str(s)
pal.append(col, name)
return pal
def _unflatten_mask(flat_mask):
mask = []
for shape_flat in flat_mask:
shape_colors = [RGBColor.new_from_hex_str(s) for s in shape_flat]
mask.append(shape_colors)
return mask
# Transient on-canvas information, intended to be read quickly.
# Used for fading textual info or vanishing positional markers.
# Need to be high-contrast, and clear. Black and white is good.
TRANSIENT_INFO_BG_RGBA = (0, 0, 0, 0.666) #: Transient text bg / outline
TRANSIENT_INFO_RGBA = (1, 1, 1, 1) #: Transient text / marker
# Editable on-screen items.
# Used for editable handles on things like the document frame,
# when it's being edited.
# It's a good idea to use this and a user-tuneable alpha if the item
# is to be shown on screen permanently, in modes other than the object's
# own edit mode.
EDITABLE_ITEM_COLOR = RGBColor.new_from_hex_str("#ECF0F1")
# Active/dragging state for editable items.
ACTIVE_ITEM_COLOR = RGBColor.new_from_hex_str("#F1C40F")
# Prelight color (for complex modes, when there needs to be a distinction)
PRELIT_ITEM_COLOR = tuple(
ACTIVE_ITEM_COLOR.interpolate(EDITABLE_ITEM_COLOR, 3)
)[1]
def _unflatten_mask(flat_mask):
mask = []
for shape_flat in flat_mask:
shape_colors = [RGBColor.new_from_hex_str(s) for s in shape_flat]
mask.append(shape_colors)
return mask
DROP_SHADOW_BLUR = 2.0
DROP_SHADOW_X_OFFSET = 0.25
DROP_SHADOW_Y_OFFSET = 1.0
# These are only used for otherwise flat editable or draggable objects.
## Colors for additonal on-canvas information
# Transient on-canvas information, intended to be read quickly.
# Used for fading textual info or vanishing positional markers.
# Need to be high-contrast, and clear. Black and white is good.
TRANSIENT_INFO_BG_RGBA = (0, 0, 0, 0.666) #: Transient text bg / outline
TRANSIENT_INFO_RGBA = (1, 1, 1, 1) #: Transient text / marker
# Passive position markers.
# Used for inactive but permanent marks that convey useful information,
# like the symmetry axis while it's not being edited.
# These need to be non-distracting.
PASSIVE_ITEM_COLOR = RGBColor.new_from_hex_str("#BDC3C7")
# Editable on-screen items.
# Used for editable handles on things like the document frame,
# when it's being edited.
EDITABLE_ITEM_COLOR = RGBColor.new_from_hex_str("#ECF0F1")
# Prelit/active/dragging state for editable icons
ACTIVE_ITEM_COLOR = RGBColor.new_from_hex_str("#F1C40F")
