From 842a96b34c9e7532572a42c5629be49f751348af Mon Sep 17 00:00:00 2001
From: Campbell Barton <ideasman42@gmail.com>
Date: Wed, 9 Mar 2011 02:13:09 +0000
Subject: move UV layout from trunk to addons.

---
 io_mesh_uv_layout/export_uv_svg.py | 63 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 io_mesh_uv_layout/export_uv_svg.py

(limited to 'io_mesh_uv_layout/export_uv_svg.py')

diff --git a/io_mesh_uv_layout/export_uv_svg.py b/io_mesh_uv_layout/export_uv_svg.py
new file mode 100644
index 00000000..260c49e5
--- /dev/null
+++ b/io_mesh_uv_layout/export_uv_svg.py
@@ -0,0 +1,63 @@
+# ##### 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 compliant>
+
+import bpy
+
+def write(fw, mesh, image_width, image_height, opacity, face_iter_func):
+    # for making an XML compatible string
+    from xml.sax.saxutils import escape
+    from os.path import basename
+
+    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 = "%r, %s, (Blender %s)" % (basename(bpy.data.filepath), 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)
+
+    faces = mesh.faces
+    for i, uvs in face_iter_func():
+        try:  # rare cases material index is invalid.
+            fill = fill_settings[faces[i].material_index]
+        except IndexError:
+            fill = fill_default
+
+        fw('<polygon stroke="black" stroke-width="1px"')
+        if opacity > 0.0:
+            fw(' %s fill-opacity="%.2g"' % (fill, opacity))
+
+        fw(' points="')
+
+        for j, uv in enumerate(uvs):
+            x, y = uv[0], 1.0 - uv[1]
+            fw('%.3f,%.3f ' % (x * image_width, y * image_height))
+        fw('" />\n')
+    fw('\n')
+    fw('</svg>\n')
\ No newline at end of file
-- 
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