inkstitch/lib/extensions/apply_palette.py

58 wiersze
2.1 KiB
Python

# Authors: see git history
#
# Copyright (c) 2024 Authors
# Licensed under the GNU GPL version 3.0 or later. See the file LICENSE for details.
from ..elements import Clone, FillStitch
from ..gui.abort_message import AbortMessageApp
from ..gui.apply_palette import ApplyPaletteApp
from ..i18n import _
from ..threads import ThreadCatalog, ThreadColor
from .base import InkstitchExtension
class ApplyPalette(InkstitchExtension):
'''
Applies colors of a color palette to elements
'''
def effect(self):
# Remove selection, we want all the elements in the document
self.svg.selection.clear()
if not self.get_elements():
app = AbortMessageApp(
_("There is no stitchable element in the document."),
_("https://inkstitch.org/")
)
app.MainLoop()
return
palette_choice = ApplyPaletteApp()
if palette_choice.palette:
self.apply_palette(palette_choice.palette)
def apply_palette(self, palette_name):
palette = ThreadCatalog().get_palette_by_name(palette_name)
# Iterate through the color blocks to apply colors
for element in self.elements:
if isinstance(element, Clone):
# clones use the color of their source element
continue
elif hasattr(element, 'gradient') and element.gradient is not None:
# apply colors to each gradient stop
for i, gradient_style in enumerate(element.gradient.stop_styles):
color = gradient_style['stop-color']
gradient_style['stop-color'] = palette.nearest_color(ThreadColor(color)).to_hex_str()
continue
nearest_color = palette.nearest_color(ThreadColor(element.color))
if isinstance(element, FillStitch):
element.node.style['fill'] = nearest_color.to_hex_str()
else:
element.node.style['stroke'] = nearest_color.to_hex_str()
metadata = self.get_inkstitch_metadata()
metadata['thread-palette'] = palette_name