forked from bartvdbraak/blender
82 lines
2.6 KiB
Python
82 lines
2.6 KiB
Python
# ##### BEGIN GPL LICENSE BLOCK #####
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# ##### END GPL LICENSE BLOCK #####
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import sys, os
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import subprocess
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import bpy
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def generate(filename, external=True):
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if external:
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process = subprocess.Popen([sys.argv[0], "-b", "-noaudio", "-P", __file__, "--", filename], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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while process.poll() is None:
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process.stdout.read(1024) # empty buffer to be sure
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process.stdout.read()
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return _thumbname(filename)
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else:
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return _internal(filename)
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def _thumbname(filename):
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root = os.path.splitext(filename)[0]
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return root + ".jpg"
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def _internal(filename):
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imagename = os.path.split(filename)[1]
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thumbname = _thumbname(filename)
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if os.path.exists(thumbname):
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return thumbname
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if bpy:
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scene = bpy.data.scenes[0] # FIXME, this is dodgy!
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scene.render.file_format = "JPEG"
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scene.render.file_quality = 90
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# remove existing image, if there's a leftover (otherwise open changes the name)
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if imagename in bpy.data.images:
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img = bpy.data.images[imagename]
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bpy.data.images.remove(img)
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bpy.ops.image.open(filepath=filename)
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img = bpy.data.images[imagename]
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img.save_render(thumbname, scene=scene)
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img.user_clear()
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bpy.data.images.remove(img)
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try:
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process = subprocess.Popen(["convert", thumbname, "-resize", "300x300", thumbname])
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process.wait()
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return thumbname
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except Exception as exp:
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print("Error while generating thumbnail")
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print(exp)
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return None
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if __name__ == "__main__":
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import bpy
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try:
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start = sys.argv.index("--") + 1
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except ValueError:
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start = 0
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for filename in sys.argv[start:]:
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generate(filename, external=False)
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