diff options
Diffstat (limited to 'uv_magic_uv/impl/preserve_uv_aspect_impl.py')
| -rw-r--r-- | uv_magic_uv/impl/preserve_uv_aspect_impl.py | 359 |
1 files changed, 359 insertions, 0 deletions
diff --git a/uv_magic_uv/impl/preserve_uv_aspect_impl.py b/uv_magic_uv/impl/preserve_uv_aspect_impl.py new file mode 100644 index 00000000..622ee1d3 --- /dev/null +++ b/uv_magic_uv/impl/preserve_uv_aspect_impl.py @@ -0,0 +1,359 @@ +# <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__ = "5.2" +__date__ = "17 Nov 2018" + +import bpy +import bmesh +from mathutils import Vector + +from .. import common + + +__all__ = [ + 'PreserveUVAspectLegacyImpl', +] + + +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 + + +class PreserveUVAspectLegacyImpl: + @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, ops_obj, 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: + ops_obj.report({'WARNING'}, + "Object must have more than one UV map") + return {'CANCELLED'} + + uv_layer = bm.loops.layers.uv.verify() + tex_layer = bm.faces.layers.tex.verify() + + sel_faces = [f for f in bm.faces if f.select] + dest_img = bpy.data.images[ops_obj.dest_img_name] + + info = {} + + 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 ops_obj.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 ops_obj.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 ops_obj.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 ops_obj.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 ops_obj.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 ops_obj.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 ops_obj.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 ops_obj.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 ops_obj.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) + + info[img]['ratio'] = ratio + info[img]['origin'] = origin + + for img in info: + if img is None: + continue + + for f in info[img]['faces']: + 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'} + + +class PreserveUVAspectImpl: + @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, ops_obj, 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: + ops_obj.report({'WARNING'}, + "Object must have more than one UV map") + return {'CANCELLED'} + + uv_layer = bm.loops.layers.uv.verify() + tex_image = common.find_image(obj) + + sel_faces = [f for f in bm.faces if f.select] + dest_img = bpy.data.images[ops_obj.dest_img_name] + + info = {} + + for f in sel_faces: + if not tex_image in info.keys(): + info[tex_image] = {} + info[tex_image]['faces'] = [] + info[tex_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 ops_obj.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 ops_obj.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 ops_obj.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 ops_obj.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 ops_obj.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 ops_obj.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 ops_obj.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 ops_obj.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 ops_obj.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: + ops_obj.report({'ERROR'}, "Unknown Operation") + return {'CANCELLED'} + + info[img]['ratio'] = ratio + info[img]['origin'] = origin + + for img in info: + if img is None: + continue + + nodes = common.find_texture_nodes(obj) + nodes[0].image = dest_img + + for f in info[img]['faces']: + 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'}
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