113 lines
3.8 KiB
Python
Executable File
113 lines
3.8 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# NopSCADlib Copyright Chris Palmer 2018
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# nop.head@gmail.com
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# hydraraptor.blogspot.com
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#
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# This file is part of NopSCADlib.
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#
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# NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
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# GNU General Public License as published by the Free Software Foundation, either version 3 of
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# the License, or (at your option) any later version.
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#
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# NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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# without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the 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 along with NopSCADlib.
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# If not, see <https://www.gnu.org/licenses/>.
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#
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#! Renders STL and DXF files to PNG for inclusion in the build instructions.
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from __future__ import print_function
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from set_config import *
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from exports import bom_to_parts
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import os
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import openscad
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from tests import do_cmd, update_image, colour_scheme, background
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from deps import mtime
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from colorama import init
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import json
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from tmpdir import *
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def usage():
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print("\nusage:\n\trender [target_config] - Render images of the stl and dxf files.");
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sys.exit(1)
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def render(target, type):
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#
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# Make the target directory
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#
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top_dir = set_config(target, usage)
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tmp_dir = mktmpdir(top_dir)
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target_dir = top_dir + type + 's'
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bom_dir = top_dir + 'bom'
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if not os.path.isdir(target_dir):
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os.makedirs(target_dir)
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#
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# Find all the parts
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#
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parts = bom_to_parts(bom_dir, type)
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#
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# Read the json bom to get the colours
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#
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bom_file = bom_dir + "/bom.json"
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with open(bom_file) as json_file:
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flat_bom = json.load(json_file)
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things = { 'stl' : 'printed', 'dxf' : 'routed' }[type]
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colours = {}
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for ass in flat_bom:
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for part in ass[things]:
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obj = ass[things][part]
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if "colour" in obj:
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colours[part] = obj["colour"]
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#
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# Remove unused png files
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#
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for file in os.listdir(target_dir):
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if file.endswith('.png'):
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if not file[:-4] + '.' + type in parts:
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print("Removing %s" % file)
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os.remove(target_dir + '/' + file)
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#
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# Render the parts
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#
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for part in parts:
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part_file = target_dir + '/' + part
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png_name = target_dir + '/' + part[:-4] + '.png'
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#
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# make a file to import the stl
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#
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if mtime(part_file) > mtime(png_name):
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png_maker_name = tmp_dir + "/png.scad"
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pp1 = [0, 146/255, 0]
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colour = pp1
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if part in colours:
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colour = colours[part]
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if not '[' in colour:
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colour = '"' + colour + '"'
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with open(png_maker_name, "w") as f:
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f.write('color(%s) import("%s");\n' % (colour, reltmp(part_file, target)))
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cam = "--camera=0,0,0,70,0,315,500" if type == 'stl' else "--camera=0,0,0,0,0,0,500"
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render = "--preview" if type == 'stl' or colour != pp1 else "--render"
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tmp_name = tmp_dir + '/' + part[:-4] + '.png'
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openscad.run("-o", tmp_name, png_maker_name, colour_scheme, "--projection=p", "--imgsize=4096,4096", cam, render, "--autocenter", "--viewall");
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do_cmd(("magick "+ tmp_name + " -trim -resize 280x280 -background %s -gravity Center -extent 280x280 -bordercolor %s -border 10 %s"
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% (background, background, tmp_name)).split())
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update_image(tmp_name, png_name)
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os.remove(png_maker_name)
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#
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# Remove tmp dir
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#
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rmtmpdir(tmp_dir)
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if __name__ == '__main__':
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init()
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if len(sys.argv) > 2: usage()
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target = sys.argv[1] if len(sys.argv) > 1 else None
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render(target, 'stl')
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render(target, 'dxf')
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