io_mesh_uv_layout/export_uv_eps.py

   1 # ##### BEGIN GPL LICENSE BLOCK #####
   2 #
   3 #  This program is free software; you can redistribute it and/or
   4 #  modify it under the terms of the GNU General Public License
   5 #  as published by the Free Software Foundation; either version 2
   6 #  of the License, or (at your option) any later version.
   7 #
   8 #  This program is distributed in the hope that it will be useful,
   9 #  but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 #  GNU General Public License for more details.
  12 #
  13 #  You should have received a copy of the GNU General Public License
  14 #  along with this program; if not, write to the Free Software Foundation,
  15 #  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  16 #
  17 # ##### END GPL LICENSE BLOCK #####
  18
  19 # <pep8-80 compliant>
  20
  21 import bpy
  22
  23
  24 def write(fw, mesh, image_width, image_height, opacity, face_iter_func):
  25     fw("%!PS-Adobe-3.0 EPSF-3.0\n")
  26     fw("%%%%Creator: Blender %s\n" % bpy.app.version_string)
  27     fw("%%Pages: 1\n")
  28     fw("%%Orientation: Portrait\n")
  29     fw("%%%%BoundingBox: 0 0 %d %d\n" % (image_width, image_height))
  30     fw("%%%%HiResBoundingBox: 0.0 0.0 %.4f %.4f\n" %
  31        (image_width, image_height))
  32     fw("%%EndComments\n")
  33     fw("%%Page: 1 1\n")
  34     fw("0 0 translate\n")
  35     fw("1.0 1.0 scale\n")
  36     fw("0 0 0 setrgbcolor\n")
  37     fw("[] 0 setdash\n")
  38     fw("1 setlinewidth\n")
  39     fw("1 setlinejoin\n")
  40     fw("1 setlinecap\n")
  41
  42     polys = mesh.polygons
  43
  44     if opacity > 0.0:
  45         for i, mat in enumerate(mesh.materials if mesh.materials else [None]):
  46             fw("/DRAW_%d {" % i)
  47             fw("gsave\n")
  48             if mat:
  49                 color = tuple((1.0 - ((1.0 - c) * opacity))
  50                               for c in mat.diffuse_color)
  51             else:
  52                 color = 1.0, 1.0, 1.0
  53             fw("%.3g %.3g %.3g setrgbcolor\n" % color)
  54             fw("fill\n")
  55             fw("grestore\n")
  56             fw("0 setgray\n")
  57             fw("} def\n")
  58
  59         # fill
  60         for i, uvs in face_iter_func():
  61             fw("newpath\n")
  62             for j, uv in enumerate(uvs):
  63                 uv_scale = (uv[0] * image_width, uv[1] * image_height)
  64                 if j == 0:
  65                     fw("%.5f %.5f moveto\n" % uv_scale)
  66                 else:
  67                     fw("%.5f %.5f lineto\n" % uv_scale)
  68
  69             fw("closepath\n")
  70             fw("DRAW_%d\n" % polys[i].material_index)
  71
  72     # stroke only
  73     for i, uvs in face_iter_func():
  74         fw("newpath\n")
  75         for j, uv in enumerate(uvs):
  76             uv_scale = (uv[0] * image_width, uv[1] * image_height)
  77             if j == 0:
  78                 fw("%.5f %.5f moveto\n" % uv_scale)
  79             else:
  80                 fw("%.5f %.5f lineto\n" % uv_scale)
  81
  82         fw("closepath\n")
  83         fw("stroke\n")
  84
  85     fw("showpage\n")
  86     fw("%%EOF\n")