TexTools is a UV and Texture tool set for 3dsMax created several years ago. This open repository will port in time several of the UV tools to Blender in python. http://renderhjs.net/textools/blender
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import bpy
import bmesh
import operator
import math
from mathutils import Vector
from collections import defaultdict
from . import utilities_color
from . import utilities_bake
from . import utilities_ui
gamma = 2.2
class op(bpy.types.Operator):
bl_idname = "uv.textools_color_convert_to_vertex_colors"
bl_label = "Pack Texture"
bl_description = "Pack ID Colors into single texture and UVs"
bl_options = {'REGISTER', 'UNDO'}
@classmethod
def poll(cls, context):
if not bpy.context.active_object:
return False
if bpy.context.active_object not in bpy.context.selected_objects:
return False
if len(bpy.context.selected_objects) != 1:
return False
if bpy.context.active_object.type != 'MESH':
return False
#Only in UV editor mode
if bpy.context.area.type != 'IMAGE_EDITOR':
return False
return True
def execute(self, context):
convert_vertex_colors(self, context)
return {'FINISHED'}
def convert_vertex_colors(self, context):
obj = bpy.context.active_object
for i in range(len(obj.material_slots)):
slot = obj.material_slots[i]
if slot.material:
# Select related faces
bpy.ops.object.mode_set(mode='EDIT')
bpy.ops.mesh.select_all(action='DESELECT')
bm = bmesh.from_edit_mesh(bpy.context.active_object.data)
for face in bm.faces:
if face.material_index == i:
face.select = True
color = utilities_color.get_color(i).copy()
# Fix Gamma
color[0] = pow(color[0],1/gamma)
color[1] = pow(color[1],1/gamma)
color[2] = pow(color[2],1/gamma)
bpy.ops.object.mode_set(mode='VERTEX_PAINT')
bpy.context.tool_settings.vertex_paint.brush.color = color
bpy.context.object.data.use_paint_mask = True
bpy.ops.paint.vertex_color_set()
# Back to object mode
bpy.ops.object.mode_set(mode='VERTEX_PAINT')
bpy.context.object.data.use_paint_mask = False
# Switch textured shading
for area in bpy.context.screen.areas:
if area.type == 'VIEW_3D':
for space in area.spaces:
if space.type == 'VIEW_3D':
space.shading.type = 'MATERIAL'
# Clear any materials
bpy.ops.uv.textools_color_clear()
bpy.ops.ui.textools_popup('INVOKE_DEFAULT', message="Vertex colors assigned")
bpy.utils.register_class(op)