#!BPY
# """
-# Name: 'SVG: Export UV layout to SVG file'
+# Name: 'UV: Export to SVG'
# Blender: 245
-# Group: 'UV'
+# Group: 'Image'
# Tooltip: 'Export selected objects to SVG file'
# """
__author__ = "Melchior FRANZ < mfranz # aon : at >"
-__url__ = "http://members.aon.at/mfranz/flightgear/"
+__url__ = ["http://www.flightgear.org/", "http://cvs.flightgear.org/viewvc/source/utils/Modeller/uv_export_svg.py"]
__version__ = "0.1"
__bpydoc__ = """\
-Saves the UV mappings of all selected files to an SVG file. The uv_import_svg.py
+Saves the UV mappings of all selected objects to an SVG file. The uv_import_svg.py
script can be used to re-import such a file. Each object and each group of adjacent
-faces therein will be put into an SVG group.
+faces therein will be made a separate SVG group.
"""
-ID_SEPARATOR = '#'
+#--------------------------------------------------------------------------------
+# Copyright (C) 2008 Melchior FRANZ < mfranz # aon : at >
+#
+# 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.
+#--------------------------------------------------------------------------------
-import Blender, sys
+FILL_COLOR = None # 'yellow' or '#ffa000' e.g. for uni-color, None for random color
+ID_SEPARATOR = '_.:._'
+
+
+import Blender, BPyMessages, sys, random
class Abort(Exception):
self.msg = msg
-def get_adjacent(pool):
- i, face = pool.popitem()
- group = [face]
-
- uvcoords = {}
- for c in face.uv:
- uvcoords[(c[0], c[1])] = True
-
- while True:
- found = []
- for face in pool.itervalues():
- for c in face.uv:
- if (c[0], c[1]) in uvcoords:
- for d in face.uv:
- uvcoords[(d[0], d[1])] = True
- found.append(face)
- break
- if not found:
- break
- for face in found:
- group.append(face)
- del pool[face.index]
-
- return group
-
-
-def write_svg(filename):
+class UVFaceGroups:
+ def __init__(self, mesh):
+ faces = dict([(f.index, f) for f in mesh.faces])
+ self.groups = []
+ while faces:
+ self.groups.append(self.adjacent(faces))
+
+ def __len__(self):
+ return len(self.groups)
+
+ def __iter__(self):
+ return self.groups.__iter__()
+
+ def adjacent(self, faces):
+ uvcoords = {}
+ face = faces.popitem()[1]
+ group = [face]
+ for c in face.uv:
+ uvcoords[tuple(c)] = True
+
+ while True:
+ found = []
+ for face in faces.itervalues():
+ for c in face.uv:
+ if tuple(c) in uvcoords:
+ for c in face.uv:
+ uvcoords[tuple(c)] = True
+ found.append(face)
+ break
+ if not found:
+ return group
+ for face in found:
+ group.append(face)
+ del faces[face.index]
+
+
+def stringcolor(string):
+ random.seed(hash(string))
+ c = [random.randint(220, 255), random.randint(120, 240), random.randint(120, 240)]
+ random.shuffle(c)
+ return "#%02x%02x%02x" % tuple(c)
+
+
+def write_svg(path):
size = Blender.Draw.PupMenu("Image size%t|128|256|512|1024|2048|4096|8192")
if size < 0:
raise Abort('no image size chosen')
size = 1 << (size + 6)
- print "exporting to '%s' (size %d) ... " % (filename, size),
- svg = open(filename, "w")
+ svg = open(path, "w")
svg.write('<?xml version="1.0" standalone="no"?>\n')
svg.write('<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n\n')
svg.write('<svg width="%spx" height="%spx" viewBox="0 0 %d %d" xmlns="http://www.w3.org/2000/svg"' \
- 'version="1.1" xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape">\n'
+ ' version="1.1" xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape">\n'
% (size, size, size, size))
- svg.write("\t<desc>uv_export_svg.py: %s</desc>\n" % filename);
+ svg.write("\t<desc>uv_export_svg.py: %s</desc>\n" % path);
svg.write('\t<rect x="0" y="0" width="%d" height="%d" fill="none" stroke="blue" stroke-width="%f"/>\n'
% (size, size, 1.0))
- unique_meshes = {}
+ objects = {}
for o in Blender.Scene.GetCurrent().objects.selected:
if o.type != "Mesh":
continue
mesh = o.getData(mesh = 1)
- if not mesh.faceUV:
- continue
- if mesh.name in unique_meshes:
- #print "dropping duplicate mesh", mesh.name, "of object", o.name
- continue
- unique_meshes[mesh.name] = True
-
- svg.write('\t<g style="fill:yellow; stroke:black stroke-width:1px" inkscape:label="%s" id="%s">\n' % (o.name, o.name))
-
- pool = {}
- for f in mesh.faces:
- pool[f.index] = f
-
- while len(pool):
- svg.write('\t\t<g>\n')
- for f in get_adjacent(pool):
- svg.write('\t\t\t<polygon points="')
+ if mesh.faceUV:
+ objects[mesh.name] = (o.name, mesh)
+
+ for meshname, v in objects.iteritems():
+ objname, mesh = v
+ color = FILL_COLOR or stringcolor(meshname)
+
+ svg.write('\t<g style="fill:%s; stroke:black stroke-width:1px" inkscape:label="%s" ' \
+ 'id="%s">\n' % (color, objname, objname))
+
+ facegroups = UVFaceGroups(mesh)
+ for faces in facegroups:
+ indent = '\t\t'
+ if len(facegroups) > 1:
+ svg.write('\t\t<g>\n')
+ indent = '\t\t\t'
+ for f in faces:
+ svg.write('%s<polygon id="%s%s%d" points="' % (indent, meshname, ID_SEPARATOR, f.index))
for p in f.uv:
svg.write('%.8f,%.8f ' % (p[0] * size, size - p[1] * size))
- svg.write('" id="%s%s%d"/>\n' % (mesh.name, ID_SEPARATOR, f.index))
- svg.write('\t\t</g>\n')
+ svg.write('"/>\n')
+ if len(facegroups) > 1:
+ svg.write('\t\t</g>\n')
svg.write("\t</g>\n")
svg.write('</svg>\n')
svg.close()
- print "done."
-def export(filename):
- registry = {}
- registry[basename] = Blender.sys.basename(filename)
- Blender.Registry.SetKey("UVImportExportSVG", registry, False)
+def export(path):
+ if not BPyMessages.Warning_SaveOver(path):
+ return
editmode = Blender.Window.EditMode()
if editmode:
Blender.Window.EditMode(0)
try:
- write_svg(filename)
+ write_svg(path)
+ Blender.Registry.SetKey("UVImportExportSVG", { "path" : path }, False)
+
except Abort, e:
print "Error:", e.msg, " -> aborting ...\n"
Blender.Draw.PupMenu("Error%t|" + e.msg)
Blender.Window.EditMode(1)
-active = Blender.Scene.GetCurrent().objects.active
-(basename, extname) = Blender.sys.splitext(Blender.Get("filename"))
-filename = Blender.sys.basename(basename) + "-" + active.name + ".svg"
-Blender.Window.FileSelector(export, "Export to SVG", filename)
+registry = Blender.Registry.GetKey("UVImportExportSVG", False)
+if registry and "path" in registry:
+ path = registry["path"]
+else:
+ active = Blender.Scene.GetCurrent().objects.active
+ basename = Blender.sys.basename(Blender.sys.splitext(Blender.Get("filename"))[0])
+ path = basename + "-" + active.name + ".svg"
+
+Blender.Window.FileSelector(export, "Export to SVG", path)
+
projects / flightgear.git / blobdiff