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# ##### 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# ##### END GPL LICENSE BLOCK #####
# <pep8-80 compliant>
import bpy
from bpy.props import *
class ExportUVLayout(bpy.types.Operator):
'''Export the Mesh as SVG.'''
bl_idname = "uv.export_layout"
bl_label = "Export UV Layout"
bl_register = True
bl_undo = True
path = StringProperty(name="File Path", description="File path used for exporting the SVG file", maxlen=1024, default="")
check_existing = BoolProperty(name="Check Existing", description="Check and warn on overwriting existing files", default=True, hidden=True)
only_selected = BoolProperty(name="Only Selected", description="Export Only the selected UVs", default=False)
def poll(self, context):
ob = context.active_object
return (ob and ob.type == 'MESH')
def _image_size(self, context, default_width=1024, default_height=1024):
# fallback if not in image context.
image_width, image_height = default_width, default_height
space_data = context.space_data
if type(space_data) == bpy.types.SpaceImageEditor:
image = space_data.image
if image:
width, height = tuple(context.space_data.image.size)
# incase no data is found.
if width and height:
image_width, image_height = width, height
return image_width, image_height
def execute(self, context):
# for making an XML compatible string
from xml.sax.saxutils import escape
from os.path import basename
ob = context.active_object
is_editmode = (ob.mode == 'EDIT')
if is_editmode:
bpy.ops.object.mode_set(mode='OBJECT', toggle=False)
image_width, image_height = self._image_size(context)
mesh = ob.data
active_uv_layer = None
for lay in mesh.uv_textures:
if lay.active:
active_uv_layer = lay.data
break
fuvs = [(uv.uv1, uv.uv2, uv.uv3, uv.uv4) for uv in active_uv_layer]
fuvs_cpy = [(uv[0].copy(), uv[1].copy(), uv[2].copy(), uv[3].copy()) for uv in fuvs]
# as a list
faces = mesh.faces[:]
fuvsel = [(False not in uv.uv_selected) for uv in active_uv_layer]
file = open(self.properties.path, "w")
fw = file.write
fw('<?xml version="1.0" standalone="no"?>\n')
fw('<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" \n')
fw(' "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n')
fw('<svg width="%dpx" height="%dpx" viewBox="0px 0px %dpx %dpx"\n' % (image_width, image_height, image_width, image_height))
fw(' xmlns="http://www.w3.org/2000/svg" version="1.1">\n')
desc = "%s, %s, %s (Blender %s)" % (basename(bpy.data.filename), ob.name, mesh.name, bpy.app.version_string)
fw('<desc>%s</desc>\n' % escape(desc))
# svg colors
fill_settings = []
fill_default = 'fill="grey"'
for mat in mesh.materials if mesh.materials else [None]:
if mat:
fill_settings.append('fill="rgb(%d, %d, %d)"' % tuple(int(c*255) for c in mat.diffuse_color))
else:
fill_settings.append(fill_default)
only_selected = self.properties.only_selected
for i, uv in enumerate(active_uv_layer):
if only_selected and False in uv.uv_selected:
continue
if len(faces[i].verts) == 3:
uvs = uv.uv1, uv.uv2, uv.uv3
else:
uvs = uv.uv1, uv.uv2, uv.uv3, uv.uv4
try: # rare cases material index is invalid.
fill = fill_settings[faces[i].material_index]
except IndexError:
fill = fill_default
fw('<polygon %s fill-opacity="0.5" stroke="black" stroke-width="1px" \n' % fill)
fw(' points="')
for j, uv in enumerate(uvs):
x, y = uv.x, 1.0 - uv.y
fw('%.3f,%.3f ' % (x * image_width, y * image_height))
fw('" />\n')
fw('\n')
fw('</svg>\n')
if is_editmode:
bpy.ops.object.mode_set(mode='EDIT', toggle=False)
return {'FINISHED'}
def invoke(self, context, event):
wm = context.manager
wm.add_fileselect(self)
return {'RUNNING_MODAL'}
# Register the operator
bpy.types.register(ExportUVLayout)
def menu_func(self, context):
default_path = bpy.data.filename.replace(".blend", ".svg")
self.layout.operator(ExportUVLayout.bl_idname).path = default_path
bpy.types.IMAGE_MT_uvs.append(menu_func)
#if __name__ == "__main__":
# bpy.ops.uv.export_layout(path="/home/ideasman42/foo.svg")
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