1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
|
# <pep8-80 compliant>
# ##### BEGIN GPL LICENSE BLOCK #####
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
__version__ = "6.0"
__date__ = "26 Jan 2019"
import bpy
from bpy.props import StringProperty, EnumProperty, BoolProperty
import bmesh
from mathutils import Vector
from .. import common
from ..utils.bl_class_registry import BlClassRegistry
from ..utils.property_class_registry import PropertyClassRegistry
from ..utils import compatibility as compat
def _is_valid_context(context):
obj = context.object
# only edit mode is allowed to execute
if obj is None:
return False
if obj.type != 'MESH':
return False
if context.object.mode != 'EDIT':
return False
# only 'VIEW_3D' space is allowed to execute
for space in context.area.spaces:
if space.type == 'VIEW_3D':
break
else:
return False
return True
@PropertyClassRegistry()
class _Properties:
idname = "preserve_uv_aspect"
@classmethod
def init_props(cls, scene):
def get_loaded_texture_name(_, __):
items = [(key, key, "") for key in bpy.data.images.keys()]
items.append(("None", "None", ""))
return items
scene.muv_preserve_uv_aspect_enabled = BoolProperty(
name="Preserve UV Aspect Enabled",
description="Preserve UV Aspect is enabled",
default=False
)
scene.muv_preserve_uv_aspect_tex_image = EnumProperty(
name="Image",
description="Texture Image",
items=get_loaded_texture_name
)
scene.muv_preserve_uv_aspect_origin = EnumProperty(
name="Origin",
description="Aspect Origin",
items=[
('CENTER', 'Center', 'Center'),
('LEFT_TOP', 'Left Top', 'Left Bottom'),
('LEFT_CENTER', 'Left Center', 'Left Center'),
('LEFT_BOTTOM', 'Left Bottom', 'Left Bottom'),
('CENTER_TOP', 'Center Top', 'Center Top'),
('CENTER_BOTTOM', 'Center Bottom', 'Center Bottom'),
('RIGHT_TOP', 'Right Top', 'Right Top'),
('RIGHT_CENTER', 'Right Center', 'Right Center'),
('RIGHT_BOTTOM', 'Right Bottom', 'Right Bottom')
],
default="CENTER"
)
@classmethod
def del_props(cls, scene):
del scene.muv_preserve_uv_aspect_enabled
del scene.muv_preserve_uv_aspect_tex_image
del scene.muv_preserve_uv_aspect_origin
@BlClassRegistry()
@compat.make_annotations
class MUV_OT_PreserveUVAspect(bpy.types.Operator):
"""
Operation class: Preserve UV Aspect
"""
bl_idname = "uv.muv_ot_preserve_uv_aspect"
bl_label = "Preserve UV Aspect"
bl_description = "Choose Image"
bl_options = {'REGISTER', 'UNDO'}
dest_img_name = StringProperty(options={'HIDDEN'})
origin = EnumProperty(
name="Origin",
description="Aspect Origin",
items=[
('CENTER', 'Center', 'Center'),
('LEFT_TOP', 'Left Top', 'Left Bottom'),
('LEFT_CENTER', 'Left Center', 'Left Center'),
('LEFT_BOTTOM', 'Left Bottom', 'Left Bottom'),
('CENTER_TOP', 'Center Top', 'Center Top'),
('CENTER_BOTTOM', 'Center Bottom', 'Center Bottom'),
('RIGHT_TOP', 'Right Top', 'Right Top'),
('RIGHT_CENTER', 'Right Center', 'Right Center'),
('RIGHT_BOTTOM', 'Right Bottom', 'Right Bottom')
],
default="CENTER"
)
@classmethod
def poll(cls, context):
# we can not get area/space/region from console
if common.is_console_mode():
return True
return _is_valid_context(context)
def execute(self, context):
# Note: the current system only works if the
# f[tex_layer].image doesn't return None
# which will happen in certain cases
obj = context.active_object
bm = bmesh.from_edit_mesh(obj.data)
if common.check_version(2, 73, 0) >= 0:
bm.faces.ensure_lookup_table()
if not bm.loops.layers.uv:
self.report({'WARNING'},
"Object must have more than one UV map")
return {'CANCELLED'}
uv_layer = bm.loops.layers.uv.verify()
sel_faces = [f for f in bm.faces if f.select]
dest_img = bpy.data.images[self.dest_img_name]
info = {}
if compat.check_version(2, 80, 0) >= 0:
tex_image = common.find_image(obj)
for f in sel_faces:
if tex_image not in info.keys():
info[tex_image] = {}
info[tex_image]['faces'] = []
info[tex_image]['faces'].append(f)
else:
tex_layer = bm.faces.layers.tex.verify()
for f in sel_faces:
if not f[tex_layer].image in info.keys():
info[f[tex_layer].image] = {}
info[f[tex_layer].image]['faces'] = []
info[f[tex_layer].image]['faces'].append(f)
for img in info:
if img is None:
continue
src_img = img
ratio = Vector((
dest_img.size[0] / src_img.size[0],
dest_img.size[1] / src_img.size[1]))
if self.origin == 'CENTER':
origin = Vector((0.0, 0.0))
num = 0
for f in info[img]['faces']:
for l in f.loops:
uv = l[uv_layer].uv
origin = origin + uv
num = num + 1
origin = origin / num
elif self.origin == 'LEFT_TOP':
origin = Vector((100000.0, -100000.0))
for f in info[img]['faces']:
for l in f.loops:
uv = l[uv_layer].uv
origin.x = min(origin.x, uv.x)
origin.y = max(origin.y, uv.y)
elif self.origin == 'LEFT_CENTER':
origin = Vector((100000.0, 0.0))
num = 0
for f in info[img]['faces']:
for l in f.loops:
uv = l[uv_layer].uv
origin.x = min(origin.x, uv.x)
origin.y = origin.y + uv.y
num = num + 1
origin.y = origin.y / num
elif self.origin == 'LEFT_BOTTOM':
origin = Vector((100000.0, 100000.0))
for f in info[img]['faces']:
for l in f.loops:
uv = l[uv_layer].uv
origin.x = min(origin.x, uv.x)
origin.y = min(origin.y, uv.y)
elif self.origin == 'CENTER_TOP':
origin = Vector((0.0, -100000.0))
num = 0
for f in info[img]['faces']:
for l in f.loops:
uv = l[uv_layer].uv
origin.x = origin.x + uv.x
origin.y = max(origin.y, uv.y)
num = num + 1
origin.x = origin.x / num
elif self.origin == 'CENTER_BOTTOM':
origin = Vector((0.0, 100000.0))
num = 0
for f in info[img]['faces']:
for l in f.loops:
uv = l[uv_layer].uv
origin.x = origin.x + uv.x
origin.y = min(origin.y, uv.y)
num = num + 1
origin.x = origin.x / num
elif self.origin == 'RIGHT_TOP':
origin = Vector((-100000.0, -100000.0))
for f in info[img]['faces']:
for l in f.loops:
uv = l[uv_layer].uv
origin.x = max(origin.x, uv.x)
origin.y = max(origin.y, uv.y)
elif self.origin == 'RIGHT_CENTER':
origin = Vector((-100000.0, 0.0))
num = 0
for f in info[img]['faces']:
for l in f.loops:
uv = l[uv_layer].uv
origin.x = max(origin.x, uv.x)
origin.y = origin.y + uv.y
num = num + 1
origin.y = origin.y / num
elif self.origin == 'RIGHT_BOTTOM':
origin = Vector((-100000.0, 100000.0))
for f in info[img]['faces']:
for l in f.loops:
uv = l[uv_layer].uv
origin.x = max(origin.x, uv.x)
origin.y = min(origin.y, uv.y)
else:
self.report({'ERROR'}, "Unknown Operation")
return {'CANCELLED'}
info[img]['ratio'] = ratio
info[img]['origin'] = origin
for img in info:
if img is None:
continue
if compat.check_version(2, 80, 0) >= 0:
nodes = common.find_texture_nodes(obj)
nodes[0].image = dest_img
for f in info[img]['faces']:
if compat.check_version(2, 80, 0) < 0:
tex_layer = bm.faces.layers.tex.verify()
f[tex_layer].image = dest_img
for l in f.loops:
uv = l[uv_layer].uv
origin = info[img]['origin']
ratio = info[img]['ratio']
diff = uv - origin
diff.x = diff.x / ratio.x
diff.y = diff.y / ratio.y
uv.x = origin.x + diff.x
uv.y = origin.y + diff.y
l[uv_layer].uv = uv
bmesh.update_edit_mesh(obj.data)
return {'FINISHED'}
|