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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
# <pep8-80 compliant>
import bpy
from xml.sax.saxutils import escape
from os.path import basename
class Export_UV_SVG:
def begin(self, fw, image_size, opacity):
self.fw = fw
self.image_width = image_size[0]
self.image_height = image_size[1]
self.opacity = opacity
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="%d" height="%d" viewBox="0 0 %d %d"\n' %
(self.image_width, self.image_height, self.image_width, self.image_height))
fw(' xmlns="http://www.w3.org/2000/svg" version="1.1">\n')
desc = ("%r, (Blender %s)" %
(basename(bpy.data.filepath), bpy.app.version_string))
fw('<desc>%s</desc>\n' % escape(desc))
def build(self, mesh, face_iter_func):
self.fw('<g>\n')
desc = ("Mesh: %s" % (mesh.name))
self.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)
polys = mesh.polygons
for i, uvs in face_iter_func():
try: # rare cases material index is invalid.
fill = fill_settings[polys[i].material_index]
except IndexError:
fill = fill_default
self.fw('<polygon stroke="black" stroke-width="1"')
if self.opacity > 0.0:
self.fw(' %s fill-opacity="%.2g"' % (fill, self.opacity))
self.fw(' points="')
for j, uv in enumerate(uvs):
x, y = uv[0], 1.0 - uv[1]
self.fw('%.3f,%.3f ' % (x * self.image_width, y * self.image_height))
self.fw('" />\n')
self.fw('</g>\n')
def end(self):
self.fw('\n')
self.fw('</svg>\n')
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