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
from mathutils import Vector
from collections import defaultdict
from math import pi
from . import utilities_uv
from . import utilities_ui
class op(bpy.types.Operator):
bl_idname = "uv.textools_uv_crop"
bl_label = "Crop"
bl_description = "Crop UV area to selected UV faces"
bl_options = {'REGISTER', 'UNDO'}
def poll(cls, context):
if not bpy.context.active_object:
return False
if bpy.context.active_object.type != 'MESH':
return False
# Only in Edit mode
if bpy.context.active_object.mode != 'EDIT':
return False
# Only in UV editor mode
if bpy.context.area.type != 'IMAGE_EDITOR':
return False
# Requires UV map
if not bpy.context.object.data.uv_layers:
return False
return True
def execute(self, context):
crop(self, context)
return {'FINISHED'}
def crop(self, context):
bm = bmesh.from_edit_mesh(bpy.context.active_object.data)
uv_layers = bm.loops.layers.uv.verify()
padding = utilities_ui.get_padding()
# Scale to fit bounds
bbox = utilities_uv.getSelectionBBox()
scale_u = (1.0-padding) / bbox['width']
scale_v = (1.0-padding) / bbox['height']
scale = min(scale_u, scale_v)
bpy.ops.transform.resize(value=(scale, scale, scale), constraint_axis=(
False, False, False), mirror=False, use_proportional_edit=False)
# Reposition
bbox = utilities_uv.getSelectionBBox()
delta_position = Vector((padding/2, 1-padding/2)) - \
Vector((bbox['min'].x, bbox['min'].y + bbox['height']))
bpy.ops.transform.translate(value=(delta_position.x, delta_position.y, 0))