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