paint_palette.py

   1 # paint_palette.py (c) 2011 Dany Lebel (Axon_D)
   2
   3 # ##### BEGIN GPL LICENSE BLOCK #####
   4 #
   5 #  This program is free software; you can redistribute it and/or
   6 #  modify it under the terms of the GNU General Public License
   7 #  as published by the Free Software Foundation; either version 2
   8 #  of the License, or (at your option) any later version.
   9 #
  10 #  This program is distributed in the hope that it will be useful,
  11 #  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 #  GNU General Public License for more details.
  14 #
  15 #  You should have received a copy of the GNU General Public License
  16 #  along with this program; if not, write to the Free Software Foundation,
  17 #  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18 #
  19 # ##### END GPL LICENSE BLOCK #####
  20
  21
  22 bl_info = {
  23     "name": "Paint Palettes",
  24     "author": "Dany Lebel (Axon D)",
  25     "version": (0, 9, 4),
  26     "blender": (2, 80, 0),
  27     "location": "Image Editor and 3D View > Any Paint mode > Color Palette or Weight Palette panel",
  28     "description": "Palettes for color and weight paint modes",
  29     "warning": "",
  30     "wiki_url": "https://docs.blender.org/manual/en/dev/addons/"
  31                 "paint/paint_palettes.html",
  32     "category": "Paint",
  33 }
  34
  35 """
  36 This add-on brings palettes to the paint modes.
  37
  38     * Color Palette for Image Painting, Texture Paint and Vertex Paint modes.
  39     * Weight Palette for the Weight Paint mode.
  40
  41 Set a number of colors (or weights according to the mode) and then associate it
  42 with the brush by using the button under the color.
  43 """
  44
  45 import bpy
  46 from bpy.types import (
  47     Operator,
  48     Menu,
  49     Panel,
  50     PropertyGroup,
  51 )
  52 from bpy.props import (
  53     BoolProperty,
  54     FloatProperty,
  55     FloatVectorProperty,
  56     IntProperty,
  57     StringProperty,
  58     PointerProperty,
  59     CollectionProperty,
  60 )
  61
  62
  63 def update_panels():
  64     pp = bpy.context.scene.palette_props
  65     current_color = pp.colors[pp.current_color_index].color
  66     pp.color_name = pp.colors[pp.current_color_index].name
  67     brush = current_brush()
  68     brush.color = current_color
  69     pp.index = pp.current_color_index
  70
  71
  72 def sample():
  73     pp = bpy.context.scene.palette_props
  74     current_color = pp.colors[pp.current_color_index]
  75     brush = current_brush()
  76     current_color.color = brush.color
  77     return None
  78
  79
  80 def current_brush():
  81     context = bpy.context
  82     if context.area.type == 'VIEW_3D' and context.vertex_paint_object:
  83         brush = context.tool_settings.vertex_paint.brush
  84     elif context.area.type == 'VIEW_3D' and context.image_paint_object:
  85         brush = context.tool_settings.image_paint.brush
  86     elif context.area.type == 'IMAGE_EDITOR' and context.space_data.mode == 'PAINT':
  87         brush = context.tool_settings.image_paint.brush
  88     else:
  89         brush = None
  90     return brush
  91
  92
  93 def update_weight_value():
  94     pp = bpy.context.scene.palette_props
  95     tt = bpy.context.tool_settings
  96     tt.unified_paint_settings.weight = pp.weight_value
  97     return None
  98
  99
 100 def check_path_return():
 101     from os.path import normpath
 102     preset_path = bpy.path.abspath(bpy.context.scene.palette_props.presets_folder)
 103     paths = normpath(preset_path)
 104
 105     return paths if paths else ""
 106
 107
 108 class PALETTE_MT_menu(Menu):
 109     bl_label = "Presets"
 110     preset_subdir = ""
 111     preset_operator = "palette.load_gimp_palette"
 112
 113     def path_menu(self, searchpaths, operator, props_default={}):
 114         layout = self.layout
 115         # hard coded to set the operators 'filepath' to the filename.
 116         import os
 117         import bpy.utils
 118
 119         layout = self.layout
 120
 121         if bpy.data.filepath == "":
 122             layout.label(text="*Please save the .blend file first*")
 123             return
 124
 125         if not searchpaths[0]:
 126             layout.label(text="* Missing Paths *")
 127             return
 128
 129         # collect paths
 130         files = []
 131         for directory in searchpaths:
 132             files.extend([(f, os.path.join(directory, f)) for f in os.listdir(directory)])
 133
 134         files.sort()
 135
 136         for f, filepath in files:
 137
 138             if f.startswith("."):
 139                 continue
 140             # do not load everything from the given folder, only .gpl files
 141             if f[-4:] != ".gpl":
 142                 continue
 143
 144             preset_name = bpy.path.display_name(f)
 145             props = layout.operator(operator, text=preset_name)
 146
 147             for attr, value in props_default.items():
 148                 setattr(props, attr, value)
 149
 150             props.filepath = filepath
 151             if operator == "palette.load_gimp_palette":
 152                 props.menu_idname = self.bl_idname
 153
 154     def draw_preset(self, context):
 155         paths = check_path_return()
 156         self.path_menu([paths], self.preset_operator)
 157
 158     draw = draw_preset
 159
 160
 161 class PALETTE_OT_load_gimp_palette(Operator):
 162     """Execute a preset"""
 163     bl_idname = "palette.load_gimp_palette"
 164     bl_label = "Load a Gimp palette"
 165
 166     filepath: StringProperty(
 167         name="Path",
 168         description="Path of the .gpl file to load",
 169         default=""
 170     )
 171     menu_idname: StringProperty(
 172         name="Menu ID Name",
 173         description="ID name of the menu this was called from",
 174         default=""
 175     )
 176
 177     def execute(self, context):
 178         from os.path import basename
 179         import re
 180         filepath = self.filepath
 181
 182         palette_props = bpy.context.scene.palette_props
 183         palette_props.current_color_index = 0
 184
 185         # change the menu title to the most recently chosen option
 186         preset_class = getattr(bpy.types, self.menu_idname)
 187         preset_class.bl_label = bpy.path.display_name(basename(filepath))
 188
 189         palette_props.columns = 0
 190         error_palette = False  # errors found
 191         error_import = []      # collect exception messages
 192         start_color_index = 0  # store the starting line for color definitions
 193
 194         if filepath[-4:] != ".gpl":
 195             error_palette = True
 196         else:
 197             gpl = open(filepath, "r")
 198             lines = gpl.readlines()
 199             palette_props.notes = ''
 200             has_color = False
 201             for index_0, line in enumerate(lines):
 202                 if not line or (line[:12] == "GIMP Palette"):
 203                     pass
 204                 elif line[:5] == "Name:":
 205                     palette_props.palette_name = line[5:]
 206                 elif line[:8] == "Columns:":
 207                     palette_props.columns = int(line[8:])
 208                 elif line[0] == "#":
 209                     palette_props.notes += line
 210                 elif line[0] == "\n":
 211                     pass
 212                 else:
 213                     has_color = True
 214                     start_color_index = index_0
 215                     break
 216             i = -1
 217             if has_color:
 218                 for i, ln in enumerate(lines[start_color_index:]):
 219                     try:
 220                         palette_props.colors[i]
 221                     except IndexError:
 222                         palette_props.colors.add()
 223                     try:
 224                         # get line - find keywords with re.split, remove the empty ones with filter
 225                         get_line = list(filter(None, re.split(r'\t+|\s+', ln.rstrip('\n'))))
 226                         extract_colors = get_line[:3]
 227                         get_color_name = [str(name) for name in get_line[3:]]
 228                         color = [float(rgb) / 255 for rgb in extract_colors]
 229                         palette_props.colors[i].color = color
 230                         palette_props.colors[i].name = " ".join(get_color_name) or "Color " + str(i)
 231                     except Exception as e:
 232                         error_palette = True
 233                         error_import.append(".gpl file line: {}, error: {}".format(i + 1 + start_color_index, e))
 234                         pass
 235
 236             exceeding = i + 1
 237             while palette_props.colors.__len__() > exceeding:
 238                 palette_props.colors.remove(exceeding)
 239
 240             if has_color:
 241                 update_panels()
 242             gpl.close()
 243             pass
 244
 245         message = "Loaded palette from file: {}".format(filepath)
 246
 247         if error_palette:
 248             message = "Not supported palette format for file: {}".format(filepath)
 249             if error_import:
 250                 message = "Some of the .gpl palette data can not be parsed. See Console for more info"
 251                 print("\n[Paint Palette]\nOperator: palette.load_gimp_palette\nErrors: %s\n" %
 252                      ('\n'.join(error_import)))
 253
 254         self.report({'INFO'}, message)
 255
 256         return {'FINISHED'}
 257
 258
 259 class WriteGimpPalette():
 260     """Base preset class, only for subclassing
 261     subclasses must define
 262      - preset_values
 263      - preset_subdir """
 264     bl_options = {'REGISTER'}  # only because invoke_props_popup requires
 265
 266     name: StringProperty(
 267         name="Name",
 268         description="Name of the preset, used to make the path name",
 269         maxlen=64,
 270         options={'SKIP_SAVE'},
 271         default=""
 272     )
 273     remove_active: BoolProperty(
 274         default=False,
 275         options={'HIDDEN'}
 276     )
 277
 278     @staticmethod
 279     def as_filename(name):  # could reuse for other presets
 280         for char in " !@#$%^&*(){}:\";'[]<>,.\\/?":
 281             name = name.replace(char, '_')
 282         return name.lower().strip()
 283
 284     def execute(self, context):
 285         import os
 286         pp = bpy.context.scene.palette_props
 287
 288         if hasattr(self, "pre_cb"):
 289             self.pre_cb(context)
 290
 291         preset_menu_class = getattr(bpy.types, self.preset_menu)
 292         target_path = check_path_return()
 293
 294         if not target_path:
 295             self.report({'WARNING'}, "Failed to create presets path")
 296             return {'CANCELLED'}
 297
 298         if not os.path.exists(target_path):
 299             self.report({'WARNING'},
 300                         "Failure to open the saved Palettes Folder. Check if the path exists")
 301             return {'CANCELLED'}
 302
 303         if not self.remove_active:
 304             if not self.name:
 305                 self.report({'INFO'},
 306                             "No name is given for the preset entry. Operation Cancelled")
 307                 return {'FINISHED'}
 308
 309             filename = self.as_filename(self.name)
 310             filepath = os.path.join(target_path, filename) + ".gpl"
 311             file_preset = open(filepath, 'wb')
 312             gpl = "GIMP Palette\n"
 313             gpl += "Name: %s\n" % filename
 314             gpl += "Columns: %d\n" % pp.columns
 315             gpl += pp.notes
 316             if pp.colors.items():
 317                 for i, color in enumerate(pp.colors):
 318                     gpl += "%3d%4d%4d %s" % (color.color.r * 255, color.color.g * 255,
 319                                              color.color.b * 255, color.name + '\n')
 320             file_preset.write(bytes(gpl, 'UTF-8'))
 321
 322             file_preset.close()
 323
 324             pp.palette_name = filename
 325             preset_menu_class.bl_label = bpy.path.display_name(filename)
 326
 327             self.report({'INFO'}, "Created Palette: {}".format(filepath))
 328
 329         else:
 330             preset_active = preset_menu_class.bl_label
 331             filename = self.as_filename(preset_active)
 332
 333             filepath = os.path.join(target_path, filename) + ".gpl"
 334
 335             if not filepath or not os.path.exists(filepath):
 336                 self.report({'WARNING'}, "Preset could not be found. Operation Cancelled")
 337                 self.reset_preset_name(preset_menu_class, pp)
 338                 return {'CANCELLED'}
 339
 340             if hasattr(self, "remove"):
 341                 self.remove(context, filepath)
 342             else:
 343                 try:
 344                     os.remove(filepath)
 345                     self.report({'INFO'}, "Deleted palette: {}".format(filepath))
 346                 except:
 347                     import traceback
 348                     traceback.print_exc()
 349
 350         self.reset_preset_name(preset_menu_class, pp)
 351
 352         if hasattr(self, "post_cb"):
 353             self.post_cb(context)
 354
 355         return {'FINISHED'}
 356
 357     @staticmethod
 358     def reset_preset_name(presets, props):
 359         # XXX, still stupid!
 360         presets.bl_label = "Presets"
 361         props.palette_name = ""
 362
 363     def check(self, context):
 364         self.name = self.as_filename(self.name)
 365
 366     def invoke(self, context, event):
 367         if not self.remove_active:
 368             wm = context.window_manager
 369             return wm.invoke_props_dialog(self)
 370
 371         return self.execute(context)
 372
 373
 374 class PALETTE_OT_preset_add(WriteGimpPalette, Operator):
 375     bl_idname = "palette.preset_add"
 376     bl_label = "Add Palette Preset"
 377     preset_menu = "PALETTE_MT_menu"
 378     bl_description = "Add a Palette Preset"
 379
 380     preset_defines = []
 381     preset_values = []
 382     preset_subdir = "palette"
 383
 384
 385 class PALETTE_OT_add_color(Operator):
 386     bl_idname = "palette_props.add_color"
 387     bl_label = ""
 388     bl_description = "Add a Color to the Palette"
 389
 390     def execute(self, context):
 391         pp = bpy.context.scene.palette_props
 392         new_index = 0
 393         if pp.colors.items():
 394             new_index = pp.current_color_index + 1
 395         pp.colors.add()
 396
 397         last = pp.colors.__len__() - 1
 398
 399         pp.colors.move(last, new_index)
 400         pp.current_color_index = new_index
 401         sample()
 402         update_panels()
 403
 404         return {'FINISHED'}
 405
 406
 407 class PALETTE_OT_remove_color(Operator):
 408     bl_idname = "palette_props.remove_color"
 409     bl_label = ""
 410     bl_description = "Remove Selected Color"
 411
 412     @classmethod
 413     def poll(cls, context):
 414         pp = bpy.context.scene.palette_props
 415         return bool(pp.colors.items())
 416
 417     def execute(self, context):
 418         pp = context.scene.palette_props
 419         i = pp.current_color_index
 420         pp.colors.remove(i)
 421
 422         if pp.current_color_index >= pp.colors.__len__():
 423             pp.index = pp.current_color_index = pp.colors.__len__() - 1
 424
 425         return {'FINISHED'}
 426
 427
 428 class PALETTE_OT_sample_tool_color(Operator):
 429     bl_idname = "palette_props.sample_tool_color"
 430     bl_label = ""
 431     bl_description = "Sample Tool Color"
 432
 433     def execute(self, context):
 434         pp = context.scene.palette_props
 435         brush = current_brush()
 436         pp.colors[pp.current_color_index].color = brush.color
 437
 438         return {'FINISHED'}
 439
 440
 441 class IMAGE_OT_select_color(Operator):
 442     bl_idname = "paint.select_color"
 443     bl_label = ""
 444     bl_description = "Select this color"
 445     bl_options = {'UNDO'}
 446
 447     color_index: IntProperty()
 448
 449     def invoke(self, context, event):
 450         palette_props = context.scene.palette_props
 451         palette_props.current_color_index = self.color_index
 452
 453         update_panels()
 454
 455         return {'FINISHED'}
 456
 457
 458 def color_palette_draw(self, context):
 459     palette_props = context.scene.palette_props
 460
 461     layout = self.layout
 462
 463     row = layout.row(align=True)
 464     row.menu("PALETTE_MT_menu", text=PALETTE_MT_menu.bl_label)
 465     row.operator("palette.preset_add", text="", icon='ADD').remove_active = False
 466     row.operator("palette.preset_add", text="", icon='REMOVE').remove_active = True
 467
 468     col = layout.column(align=True)
 469     row = col.row(align=True)
 470     row.operator("palette_props.add_color", icon='ADD')
 471     row.prop(palette_props, "index")
 472     row.operator("palette_props.remove_color", icon="PANEL_CLOSE")
 473
 474     row = col.row(align=True)
 475     row.prop(palette_props, "columns")
 476     if palette_props.colors.items():
 477         layout = col.box()
 478         row = layout.row(align=True)
 479         row.prop(palette_props, "color_name")
 480         row.operator("palette_props.sample_tool_color", icon="COLOR")
 481
 482     laycol = layout.column(align=False)
 483
 484     if palette_props.columns:
 485         columns = palette_props.columns
 486     else:
 487         columns = 16
 488
 489     for i, color in enumerate(palette_props.colors):
 490         if not i % columns:
 491             row1 = laycol.row(align=True)
 492             row1.scale_y = 0.8
 493             row2 = laycol.row(align=True)
 494             row2.scale_y = 0.8
 495
 496         active = True if i == palette_props.current_color_index else False
 497         icons = "LAYER_ACTIVE" if active else "LAYER_USED"
 498         row1.prop(palette_props.colors[i], "color", event=True, toggle=True)
 499         row2.operator("paint.select_color", text="  ",
 500                       emboss=active, icon=icons).color_index = i
 501
 502     layout = self.layout
 503     row = layout.row()
 504     row.prop(palette_props, "presets_folder", text="")
 505
 506
 507 class BrushButtonsPanel():
 508     bl_space_type = 'IMAGE_EDITOR'
 509     bl_region_type = 'UI'
 510
 511     @classmethod
 512     def poll(cls, context):
 513         sima = context.space_data
 514         toolsettings = context.tool_settings.image_paint
 515         return sima.show_paint and toolsettings.brush
 516
 517
 518 class PaintPanel():
 519     bl_space_type = 'VIEW_3D'
 520     bl_region_type = 'UI'
 521     bl_category = 'Paint'
 522
 523     @staticmethod
 524     def paint_settings(context):
 525         ts = context.tool_settings
 526
 527         if context.vertex_paint_object:
 528             return ts.vertex_paint
 529         elif context.weight_paint_object:
 530             return ts.weight_paint
 531         elif context.texture_paint_object:
 532             return ts.image_paint
 533         return None
 534
 535
 536 class IMAGE_PT_color_palette(BrushButtonsPanel, Panel):
 537     bl_label = "Color Palette"
 538     bl_options = {'DEFAULT_CLOSED'}
 539
 540     def draw(self, context):
 541         color_palette_draw(self, context)
 542
 543
 544 class VIEW3D_PT_color_palette(PaintPanel, Panel):
 545     bl_label = "Color Palette"
 546     bl_options = {'DEFAULT_CLOSED'}
 547
 548     @classmethod
 549     def poll(cls, context):
 550         return (context.image_paint_object or context.vertex_paint_object)
 551
 552     def draw(self, context):
 553         color_palette_draw(self, context)
 554
 555
 556 class VIEW3D_OT_select_weight(Operator):
 557     bl_idname = "paint.select_weight"
 558     bl_label = ""
 559     bl_description = "Select this weight value slot"
 560     bl_options = {'UNDO'}
 561
 562     weight_index: IntProperty()
 563
 564     def current_weight(self):
 565         pp = bpy.context.scene.palette_props
 566         if self.weight_index == 0:
 567             weight = pp.weight_0
 568         elif self.weight_index == 1:
 569             weight = pp.weight_1
 570         elif self.weight_index == 2:
 571             weight = pp.weight_2
 572         elif self.weight_index == 3:
 573             weight = pp.weight_3
 574         elif self.weight_index == 4:
 575             weight = pp.weight_4
 576         elif self.weight_index == 5:
 577             weight = pp.weight_5
 578         elif self.weight_index == 6:
 579             weight = pp.weight_6
 580         elif self.weight_index == 7:
 581             weight = pp.weight_7
 582         elif self.weight_index == 8:
 583             weight = pp.weight_8
 584         elif self.weight_index == 9:
 585             weight = pp.weight_9
 586         elif self.weight_index == 10:
 587             weight = pp.weight_10
 588         return weight
 589
 590     def invoke(self, context, event):
 591         palette_props = context.scene.palette_props
 592         palette_props.current_weight_index = self.weight_index
 593
 594         if self.weight_index == 0:
 595             weight = palette_props.weight_0
 596         elif self.weight_index == 1:
 597             weight = palette_props.weight_1
 598         elif self.weight_index == 2:
 599             weight = palette_props.weight_2
 600         elif self.weight_index == 3:
 601             weight = palette_props.weight_3
 602         elif self.weight_index == 4:
 603             weight = palette_props.weight_4
 604         elif self.weight_index == 5:
 605             weight = palette_props.weight_5
 606         elif self.weight_index == 6:
 607             weight = palette_props.weight_6
 608         elif self.weight_index == 7:
 609             weight = palette_props.weight_7
 610         elif self.weight_index == 8:
 611             weight = palette_props.weight_8
 612         elif self.weight_index == 9:
 613             weight = palette_props.weight_9
 614         elif self.weight_index == 10:
 615             weight = palette_props.weight_10
 616         palette_props.weight = weight
 617
 618         return {'FINISHED'}
 619
 620
 621 class VIEW3D_OT_reset_weight_palette(Operator):
 622     bl_idname = "paint.reset_weight_palette"
 623     bl_label = ""
 624     bl_description = "Reset the active Weight slot to it's default value"
 625
 626     def execute(self, context):
 627         try:
 628             palette_props = context.scene.palette_props
 629             dict_defs = {
 630                 0: 0.0, 1: 0.1, 2: 0.25,
 631                 3: 0.333, 4: 0.4, 5: 0.5,
 632                 6: 0.6, 7: 0.6666, 8: 0.75,
 633                 9: 0.9, 10: 1.0
 634             }
 635             current_idx = palette_props.current_weight_index
 636             palette_props.weight = dict_defs[current_idx]
 637
 638             var_name = "weight_" + str(current_idx)
 639             var_to_change = getattr(palette_props, var_name, None)
 640             if var_to_change:
 641                 var_to_change = dict_defs[current_idx]
 642
 643             return {'FINISHED'}
 644
 645         except Exception as e:
 646             self.report({'WARNING'},
 647                         "Reset Weight palette could not be completed (See Console for more info)")
 648             print("\n[Paint Palette]\nOperator: paint.reset_weight_palette\nError: %s\n" % e)
 649
 650             return {'CANCELLED'}
 651
 652
 653 class VIEW3D_PT_weight_palette(PaintPanel, Panel):
 654     bl_label = "Weight Palette"
 655     bl_options = {'DEFAULT_CLOSED'}
 656
 657     @classmethod
 658     def poll(cls, context):
 659         return context.weight_paint_object
 660
 661     def draw(self, context):
 662         palette_props = context.scene.palette_props
 663
 664         layout = self.layout
 665         row = layout.row()
 666         row.prop(palette_props, "weight", slider=True)
 667         box = layout.box()
 668
 669         selected_weight = palette_props.current_weight_index
 670         for props in range(0, 11):
 671             embossed = False if props == selected_weight else True
 672             prop_name = "weight_" + str(props)
 673             prop_value = getattr(palette_props, prop_name, "")
 674             if props in (0, 10):
 675                 row = box.row(align=True)
 676             elif (props + 2) % 3 == 0:
 677                 col = box.column(align=True)
 678                 row = col.row(align=True)
 679             else:
 680                 if props == 1:
 681                     row = box.row(align=True)
 682                 row = row.row(align=True)
 683
 684             row.operator("paint.select_weight", text="%.2f" % prop_value,
 685                      emboss=embossed).weight_index = props
 686
 687         row = layout.row()
 688         row.operator("paint.reset_weight_palette", text="Reset")
 689
 690
 691 class PALETTE_Colors(PropertyGroup):
 692     """Class for colors CollectionProperty"""
 693     color: FloatVectorProperty(
 694         name="",
 695         description="",
 696         default=(0.8, 0.8, 0.8),
 697         min=0, max=1,
 698         step=1, precision=3,
 699         subtype='COLOR_GAMMA',
 700         size=3
 701     )
 702
 703
 704 class PALETTE_Props(PropertyGroup):
 705
 706     def update_color_name(self, context):
 707         pp = bpy.context.scene.palette_props
 708         pp.colors[pp.current_color_index].name = pp.color_name
 709         return None
 710
 711     def move_color(self, context):
 712         pp = bpy.context.scene.palette_props
 713         if pp.colors.items() and pp.current_color_index != pp.index:
 714             if pp.index >= pp.colors.__len__():
 715                 pp.index = pp.colors.__len__() - 1
 716
 717             pp.colors.move(pp.current_color_index, pp.index)
 718             pp.current_color_index = pp.index
 719         return None
 720
 721     def update_weight(self, context):
 722         pp = context.scene.palette_props
 723         weight = pp.weight
 724         if pp.current_weight_index == 0:
 725             pp.weight_0 = weight
 726         elif pp.current_weight_index == 1:
 727             pp.weight_1 = weight
 728         elif pp.current_weight_index == 2:
 729             pp.weight_2 = weight
 730         elif pp.current_weight_index == 3:
 731             pp.weight_3 = weight
 732         elif pp.current_weight_index == 4:
 733             pp.weight_4 = weight
 734         elif pp.current_weight_index == 5:
 735             pp.weight_5 = weight
 736         elif pp.current_weight_index == 6:
 737             pp.weight_6 = weight
 738         elif pp.current_weight_index == 7:
 739             pp.weight_7 = weight
 740         elif pp.current_weight_index == 8:
 741             pp.weight_8 = weight
 742         elif pp.current_weight_index == 9:
 743             pp.weight_9 = weight
 744         elif pp.current_weight_index == 10:
 745             pp.weight_10 = weight
 746         bpy.context.tool_settings.unified_paint_settings.weight = weight
 747         return None
 748
 749     palette_name: StringProperty(
 750         name="Palette Name",
 751         default="Preset",
 752         subtype='FILE_NAME'
 753     )
 754     color_name: StringProperty(
 755         name="",
 756         description="Color Name",
 757         default="Untitled",
 758         update=update_color_name
 759     )
 760     columns: IntProperty(
 761         name="Columns",
 762         description="Number of Columns",
 763         min=0, max=16,
 764         default=0
 765     )
 766     index: IntProperty(
 767         name="Index",
 768         description="Move Selected Color",
 769         min=0,
 770         update=move_color
 771     )
 772     notes: StringProperty(
 773         name="Palette Notes",
 774         default="#\n"
 775     )
 776     current_color_index: IntProperty(
 777         name="Current Color Index",
 778         description="",
 779         default=0,
 780         min=0
 781     )
 782     current_weight_index: IntProperty(
 783         name="Current Color Index",
 784         description="",
 785         default=10,
 786         min=-1
 787     )
 788     presets_folder: StringProperty(name="",
 789         description="Palettes Folder",
 790         subtype="DIR_PATH",
 791         default="//"
 792     )
 793     colors: CollectionProperty(
 794         type=PALETTE_Colors
 795     )
 796     weight: FloatProperty(
 797         name="Weight",
 798         description="Modify the active Weight preset slot value",
 799         default=0.0,
 800         min=0.0, max=1.0,
 801         precision=3,
 802         update=update_weight
 803     )
 804     weight_0: FloatProperty(
 805         default=0.0,
 806         min=0.0, max=1.0,
 807         precision=3
 808     )
 809     weight_1: FloatProperty(
 810         default=0.1,
 811         min=0.0, max=1.0,
 812         precision=3
 813     )
 814     weight_2: FloatProperty(
 815         default=0.25,
 816         min=0.0, max=1.0,
 817         precision=3
 818     )
 819     weight_3: FloatProperty(
 820         default=0.333,
 821         min=0.0, max=1.0,
 822         precision=3
 823     )
 824     weight_4: FloatProperty(
 825         default=0.4,
 826         min=0.0, max=1.0,
 827         precision=3
 828     )
 829     weight_5: FloatProperty(
 830         default=0.5,
 831         min=0.0, max=1.0,
 832         precision=3
 833     )
 834     weight_6: FloatProperty(
 835         default=0.6,
 836         min=0.0, max=1.0,
 837         precision=3
 838     )
 839     weight_7: FloatProperty(
 840         default=0.6666,
 841         min=0.0, max=1.0,
 842         precision=3
 843     )
 844     weight_8: FloatProperty(
 845         default=0.75,
 846         min=0.0, max=1.0,
 847         precision=3
 848     )
 849     weight_9: FloatProperty(
 850         default=0.9,
 851         min=0.0, max=1.0,
 852         precision=3
 853     )
 854     weight_10: FloatProperty(
 855         default=1.0,
 856         min=0.0, max=1.0,
 857         precision=3
 858     )
 859
 860
 861 classes = (
 862     PALETTE_MT_menu,
 863     PALETTE_OT_load_gimp_palette,
 864     PALETTE_OT_preset_add,
 865     PALETTE_OT_add_color,
 866     PALETTE_OT_remove_color,
 867     PALETTE_OT_sample_tool_color,
 868     IMAGE_OT_select_color,
 869     IMAGE_PT_color_palette,
 870     VIEW3D_PT_color_palette,
 871     VIEW3D_OT_select_weight,
 872     VIEW3D_OT_reset_weight_palette,
 873     VIEW3D_PT_weight_palette,
 874     PALETTE_Colors,
 875     PALETTE_Props,
 876 )
 877
 878
 879 def register():
 880     for cls in classes:
 881         bpy.utils.register_class(cls)
 882
 883     bpy.types.Scene.palette_props = PointerProperty(
 884         type=PALETTE_Props,
 885         name="Palette Props",
 886         description=""
 887     )
 888
 889
 890 def unregister():
 891     for cls in reversed(classes):
 892         bpy.utils.unregister_class(cls)
 893
 894     del bpy.types.Scene.palette_props
 895
 896
 897 if __name__ == "__main__":
 898     register()